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< / style >
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< a name = "l1" > < / a > < span class = cF0 > #< / span > < span class = cF1 > help_index< / span > < span class = cF0 > < / span > < span class = cF6 > " Graphics/Math" < / span > < span class = cF0 >
< a name = "l2" > < / a >
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< a name = "l3" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > < / span > < span class = cFB > gr_x_offsets< / span > < span class = cF0 > [< / span > < span class = cFE > 8< / span > < span class = cF0 > ] = {-< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > , -< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > , -< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > },
< a name = "l4" > < / a > < / span > < span class = cFB > gr_y_offsets< / span > < span class = cF0 > [< / span > < span class = cFE > 8< / span > < span class = cF0 > ] = {-< / span > < span class = cFE > 1< / span > < span class = cF0 > , -< / span > < span class = cFE > 1< / span > < span class = cF0 > , -< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > },
< a name = "l5" > < / a > < / span > < span class = cFB > gr_x_offsets2< / span > < span class = cF0 > [< / span > < span class = cFE > 4< / span > < span class = cF0 > ] = { < / span > < span class = cFE > 0< / span > < span class = cF0 > , -< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > },
< a name = "l6" > < / a > < / span > < span class = cFB > gr_y_offsets2< / span > < span class = cF0 > [< / span > < span class = cFE > 4< / span > < span class = cF0 > ] = {-< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cFE > 1< / span > < span class = cF0 > };
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< a name = "l7" > < / a >
< a name = "l8" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > Line< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z2,
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< a name = "l9" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > ,
< a name = "l10" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > step=< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cF9 > I64< / span > < span class = cF0 > < / span > < span class = cF1 > start< / span > < span class = cF0 > =< / span > < span class = cFE > 0< / span > < span class = cF0 > )
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< a name = "l11" > < / a > {< / span > < span class = cF2 > //Step through line segment calling callback.< / span > < span class = cF0 >
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< a name = "l12" > < / a > < / span > < span class = cF2 > //Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l13" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, j, d, dx = x2 - x1, dy = y2 - y1, dz = z2 - z1, _x, _y, _z, adx = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (dx), ady = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (dy), adz = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (dz);
< a name = "l14" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first = < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l15" > < / a >
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< a name = "l16" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (adx > = ady)
< a name = "l17" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l18" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (adx > = adz)
< a name = "l19" > < / a > {
< a name = "l20" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (d = adx)
< a name = "l21" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l22" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dx > = < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l23" > < / a > dx = < / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l24" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l25" > < / a > dx = -< / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l26" > < / a > dy = dy < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l27" > < / a > dz = dz < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l28" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l29" > < / a > }
< a name = "l30" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l31" > < / a > {
< a name = "l32" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (d = adz)
< a name = "l33" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l34" > < / a > dx = dx < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l35" > < / a > dy = dy < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l36" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dz > = < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l37" > < / a > dz = < / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l38" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l39" > < / a > dz = -< / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l40" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l41" > < / a > }
< a name = "l42" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l43" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l44" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l45" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (ady > = adz)
< a name = "l46" > < / a > {
< a name = "l47" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (d = ady)
< a name = "l48" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l49" > < / a > dx = dx < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l50" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dy > = < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l51" > < / a > dy = < / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l52" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l53" > < / a > dy = -< / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l54" > < / a > dz = dz < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l55" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l56" > < / a > }
< a name = "l57" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l58" > < / a > {
< a name = "l59" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (d = adz)
< a name = "l60" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l61" > < / a > dx = dx < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l62" > < / a > dy = dy < < < / span > < span class = cFE > 32< / span > < span class = cF0 > / d;
< a name = "l63" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dz > = < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l64" > < / a > dz = < / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l65" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l66" > < / a > dz = -< / span > < span class = cFE > 0x100000000< / span > < span class = cF0 > ;
< a name = "l67" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l68" > < / a > }
< a name = "l69" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l70" > < / a > x1 < < = < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l71" > < / a > y1 < < = < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l72" > < / a > z1 < < = < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l73" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (j =< / span > < span class = cFE > 0< / span > < span class = cF0 > ; j < < / span > < span class = cF1 > start< / span > < span class = cF0 > ; j++)
< a name = "l74" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l75" > < / a > x1 += dx;
< a name = "l76" > < / a > y1 += dy;
< a name = "l77" > < / a > z1 += dz;
< a name = "l78" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l79" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (step != < / span > < span class = cFE > 1< / span > < span class = cF0 > & & step != < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l80" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l81" > < / a > dx *= step;
< a name = "l82" > < / a > dy *= step;
< a name = "l83" > < / a > dz *= step;
< a name = "l84" > < / a > d /= step;
< a name = "l85" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l86" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cF1 > start< / span > < span class = cF0 > ; i < = d; i++)
< a name = "l87" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l88" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF7 > (< / span > < span class = cF0 > _x != x1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ] || _y != y1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ] || _z != z1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ] || first< / span > < span class = cF7 > )< / span > < span class = cF0 > & &
< a name = "l89" > < / a > !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, x1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ], y1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ], z1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ]< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l90" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l91" > < / a > first = < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l92" > < / a > _x = x1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l93" > < / a > _y = y1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l94" > < / a > _z = z1.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l95" > < / a > x1 += dx; y1+=dy; z1+=dz;
< a name = "l96" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l97" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (step == < / span > < span class = cFE > 1< / span > < span class = cF0 > & & < / span > < span class = cF7 > (< / span > < span class = cF0 > _x != x2 || _y != y2 || _z != z2< / span > < span class = cF7 > )< / span > < span class = cF0 > & & !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, x2, y2, z2< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l98" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
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< a name = "l99" > < / a >
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< a name = "l100" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l101" > < / a > }
< a name = "l102" > < / a >
< a name = "l103" > < / a > #< / span > < span class = cF1 > help_index< / span > < span class = cF0 > < / span > < span class = cF6 > " Graphics/Math/3D Transformation" < / span > < span class = cF0 >
< a name = "l104" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4MulMat4x4Equ< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *dst, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *m1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *m2)
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< a name = "l105" > < / a > {< / span > < span class = cF2 > //Multiply 4x4 matrices and store in dst. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l106" > < / a > < / span > < span class = cF2 > //Conceptually, the transform m1 is applied after m2< / span > < span class = cF0 >
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< a name = "l107" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, j, k;
< a name = "l108" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > sum;
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< a name = "l109" > < / a >
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< a name = "l110" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < < / span > < span class = cFE > 4< / span > < span class = cF0 > ; i++)
< a name = "l111" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l112" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (j = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; j < < / span > < span class = cFE > 4< / span > < span class = cF0 > ; j++)
< a name = "l113" > < / a > {
< a name = "l114" > < / a > sum = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l115" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (k = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; k < < / span > < span class = cFE > 4< / span > < span class = cF0 > ; k++)
< a name = "l116" > < / a > sum += < / span > < span class = cF5 > ToF64< / span > < span class = cF0 > (m1[k + < / span > < span class = cFE > 4< / span > < span class = cF0 > * j]) * < / span > < span class = cF5 > ToF64< / span > < span class = cF0 > (m2[i + < / span > < span class = cFE > 4< / span > < span class = cF0 > * k]);
< a name = "l117" > < / a > dst[i + < / span > < span class = cFE > 4< / span > < span class = cF0 > * j] = sum / < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l118" > < / a > }
< a name = "l119" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l120" > < / a >
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< a name = "l121" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > dst;
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< a name = "l122" > < / a > }
< a name = "l123" > < / a >
< a name = "l124" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4MulMat4x4New< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *m1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *m2, < / span > < span class = cF9 > CTask< / span > < span class = cF0 > *mem_task=< / span > < span class = cF3 > NULL< / span > < span class = cF0 > )
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< a name = "l125" > < / a > {< / span > < span class = cF2 > //Multiply 4x4 matrices. Return MAlloced matrix. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l126" > < / a > < / span > < span class = cF2 > //Conceptually, the transform m1 is applied after m2< / span > < span class = cF0 >
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< a name = "l127" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4MulMat4x4Equ< / span > < span class = cF0 > (< / span > < span class = cF5 > MAlloc< / span > < span class = cF7 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > ) * < / span > < span class = cFE > 16< / span > < span class = cF0 > , mem_task< / span > < span class = cF7 > )< / span > < span class = cF0 > , m1, m2);
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< a name = "l128" > < / a > }
< a name = "l129" > < / a >
< a name = "l130" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4Equ< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *dst, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *src)
< a name = "l131" > < / a > {< / span > < span class = cF2 > //Copy 4x4 Rot matrix.< / span > < span class = cF0 >
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< a name = "l132" > < / a > < / span > < span class = cF5 > MemCopy< / span > < span class = cF0 > (dst, src, < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF9 > I64< / span > < span class = cF7 > )< / span > < span class = cF0 > * < / span > < span class = cFE > 16< / span > < span class = cF0 > );
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< a name = "l133" > < / a >
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< a name = "l134" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > dst;
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< a name = "l135" > < / a > }
< a name = "l136" > < / a >
< a name = "l137" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4New< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *src, < / span > < span class = cF9 > CTask< / span > < span class = cF0 > *mem_task=< / span > < span class = cF3 > NULL< / span > < span class = cF0 > )
< a name = "l138" > < / a > {< / span > < span class = cF2 > //Return MAlloced copy of 4x4 Rot matrix.< / span > < span class = cF0 >
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< a name = "l139" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4Equ< / span > < span class = cF0 > (< / span > < span class = cF5 > MAlloc< / span > < span class = cF7 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > ) * < / span > < span class = cFE > 16< / span > < span class = cF0 > , mem_task< / span > < span class = cF7 > )< / span > < span class = cF0 > , src);
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< a name = "l140" > < / a > }
< a name = "l141" > < / a >
< a name = "l142" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4RotX< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *m, < / span > < span class = cF1 > F64< / span > < span class = cF0 > phi)
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< a name = "l143" > < / a > {< / span > < span class = cF2 > //Rot matrix about X axis. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l144" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > my_cos = < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (phi) * < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > , my_sin = < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (phi) * < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l145" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > r[< / span > < span class = cFE > 16< / span > < span class = cF0 > ], r2[< / span > < span class = cFE > 16< / span > < span class = cF0 > ];
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< a name = "l146" > < / a >
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< a name = "l147" > < / a > < / span > < span class = cF5 > MemSet< / span > < span class = cF0 > (r, < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > r< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l148" > < / a > r[< / span > < span class = cFE > 5< / span > < span class = cF0 > ] = my_cos;
< a name = "l149" > < / a > r[< / span > < span class = cFE > 10< / span > < span class = cF0 > ] = my_cos;
< a name = "l150" > < / a > r[< / span > < span class = cFE > 9< / span > < span class = cF0 > ] = my_sin;
< a name = "l151" > < / a > r[< / span > < span class = cFE > 6< / span > < span class = cF0 > ] = -my_sin;
< a name = "l152" > < / a > r[< / span > < span class = cFE > 0< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l153" > < / a > r[< / span > < span class = cFE > 15< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
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< a name = "l154" > < / a >
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< a name = "l155" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4Equ< / span > < span class = cF0 > (m, < / span > < span class = cF5 > Mat4x4MulMat4x4Equ< / span > < span class = cF7 > (< / span > < span class = cF0 > r2, r, m< / span > < span class = cF7 > )< / span > < span class = cF0 > );
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< a name = "l156" > < / a > }
< a name = "l157" > < / a >
< a name = "l158" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4RotY< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *m, < / span > < span class = cF1 > F64< / span > < span class = cF0 > omega)
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< a name = "l159" > < / a > {< / span > < span class = cF2 > //Rot matrix about Y axis. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l160" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > my_cos = < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (omega) * < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > , my_sin = < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (omega) * < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l161" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > r[< / span > < span class = cFE > 16< / span > < span class = cF0 > ], r2[< / span > < span class = cFE > 16< / span > < span class = cF0 > ];
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< a name = "l162" > < / a >
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< a name = "l163" > < / a > < / span > < span class = cF5 > MemSet< / span > < span class = cF0 > (r, < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > r< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l164" > < / a > r[< / span > < span class = cFE > 0< / span > < span class = cF0 > ] = my_cos;
< a name = "l165" > < / a > r[< / span > < span class = cFE > 10< / span > < span class = cF0 > ] = my_cos;
< a name = "l166" > < / a > r[< / span > < span class = cFE > 8< / span > < span class = cF0 > ] = -my_sin;
< a name = "l167" > < / a > r[< / span > < span class = cFE > 2< / span > < span class = cF0 > ] = my_sin;
< a name = "l168" > < / a > r[< / span > < span class = cFE > 5< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l169" > < / a > r[< / span > < span class = cFE > 15< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
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< a name = "l170" > < / a >
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< a name = "l171" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4Equ< / span > < span class = cF0 > (m, < / span > < span class = cF5 > Mat4x4MulMat4x4Equ< / span > < span class = cF7 > (< / span > < span class = cF0 > r2, r, m< / span > < span class = cF7 > )< / span > < span class = cF0 > );
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< a name = "l172" > < / a > }
< a name = "l173" > < / a >
< a name = "l174" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4RotZ< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *m, < / span > < span class = cF1 > F64< / span > < span class = cF0 > theta)
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< a name = "l175" > < / a > {< / span > < span class = cF2 > //Rot matrix about Z axis. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l176" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > my_cos=< / span > < span class = cF5 > Cos< / span > < span class = cF0 > (theta)*< / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > , my_sin=< / span > < span class = cF5 > Sin< / span > < span class = cF0 > (theta)*< / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l177" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > r[< / span > < span class = cFE > 16< / span > < span class = cF0 > ], r2[< / span > < span class = cFE > 16< / span > < span class = cF0 > ];
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< a name = "l178" > < / a >
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< a name = "l179" > < / a > < / span > < span class = cF5 > MemSet< / span > < span class = cF0 > (r, < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > r< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l180" > < / a > r[< / span > < span class = cFE > 0< / span > < span class = cF0 > ] = my_cos;
< a name = "l181" > < / a > r[< / span > < span class = cFE > 5< / span > < span class = cF0 > ] = my_cos;
< a name = "l182" > < / a > r[< / span > < span class = cFE > 4< / span > < span class = cF0 > ] = my_sin;
< a name = "l183" > < / a > r[< / span > < span class = cFE > 1< / span > < span class = cF0 > ] = -my_sin;
< a name = "l184" > < / a > r[< / span > < span class = cFE > 10< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
< a name = "l185" > < / a > r[< / span > < span class = cFE > 15< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
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< a name = "l186" > < / a >
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< a name = "l187" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4Equ< / span > < span class = cF0 > (m, < / span > < span class = cF5 > Mat4x4MulMat4x4Equ< / span > < span class = cF7 > (< / span > < span class = cF0 > r2, r, m< / span > < span class = cF7 > )< / span > < span class = cF0 > );
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< a name = "l188" > < / a > }
< a name = "l189" > < / a >
< a name = "l190" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4Scale< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *m, < / span > < span class = cF1 > F64< / span > < span class = cF0 > s)
< a name = "l191" > < / a > {< / span > < span class = cF2 > //Scale 4x4 matrix by value.< / span > < span class = cF0 >
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< a name = "l192" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i;
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< a name = "l193" > < / a >
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< a name = "l194" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < < / span > < span class = cFE > 16< / span > < span class = cF0 > ; i++)
< a name = "l195" > < / a > m[i] *= s;
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< a name = "l196" > < / a >
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< a name = "l197" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > m;
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< a name = "l198" > < / a > }
< a name = "l199" > < / a >
< a name = "l200" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > < / span > < span class = cF5 > DCThickScale< / span > < span class = cF0 > (< / span > < span class = cF9 > CDC< / span > < span class = cF0 > *dc=< / span > < span class = cFB > gr< / span > < span class = cF0 > .dc)
< a name = "l201" > < / a > {< / span > < span class = cF2 > //Scale device context's thick by norm of transformation.< / span > < span class = cF0 >
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< a name = "l202" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > d;
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< a name = "l203" > < / a >
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< a name = "l204" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dc-> flags & < / span > < span class = cF3 > DCF_TRANSFORMATION< / span > < span class = cF0 > )
< a name = "l205" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l206" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dc-> thick)
< a name = "l207" > < / a > {
< a name = "l208" > < / a > d = dc-> thick * dc-> r_norm + < / span > < span class = cFE > 0x80000000< / span > < span class = cF0 > ; < / span > < span class = cF2 > //Round< / span > < span class = cF0 >
< a name = "l209" > < / a > dc-> thick = d.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l210" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dc-> thick < < / span > < span class = cFE > 1< / span > < span class = cF0 > )
< a name = "l211" > < / a > dc-> thick = < / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l212" > < / a > }
< a name = "l213" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l214" > < / a > }
< a name = "l215" > < / a >
< a name = "l216" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4TranslationEqu< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *r, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z)
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< a name = "l217" > < / a > {< / span > < span class = cF2 > //Set translation values in 4x4 matrix. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l218" > < / a > r[< / span > < span class = cFE > 0< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] = x < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l219" > < / a > r[< / span > < span class = cFE > 1< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] = y < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l220" > < / a > r[< / span > < span class = cFE > 2< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] = z < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l221" > < / a > r[< / span > < span class = cFE > 3< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
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< a name = "l222" > < / a >
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< a name = "l223" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > r;
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< a name = "l224" > < / a > }
< a name = "l225" > < / a >
< a name = "l226" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > *< / span > < span class = cF5 > Mat4x4TranslationAdd< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *r, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z)
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< a name = "l227" > < / a > {< / span > < span class = cF2 > //Add translation to 4x4 matrix. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l228" > < / a > r[< / span > < span class = cFE > 0< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] += x < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l229" > < / a > r[< / span > < span class = cFE > 1< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] += y < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l230" > < / a > r[< / span > < span class = cFE > 2< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] += z < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ;
< a name = "l231" > < / a > r[< / span > < span class = cFE > 3< / span > < span class = cF0 > * < / span > < span class = cFE > 4< / span > < span class = cF0 > + < / span > < span class = cFE > 3< / span > < span class = cF0 > ] = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > ;
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< a name = "l232" > < / a >
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< a name = "l233" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > r;
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< a name = "l234" > < / a > }
< a name = "l235" > < / a >
< a name = "l236" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > DCSymmetrySet< / span > < span class = cF0 > (< / span > < span class = cF9 > CDC< / span > < span class = cF0 > *dc=< / span > < span class = cFB > gr< / span > < span class = cF0 > .dc, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y2)
< a name = "l237" > < / a > {< / span > < span class = cF2 > //2D. Set device context's symmetry.< / span > < span class = cF0 >
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< a name = "l238" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > d;
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< a name = "l239" > < / a >
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< a name = "l240" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y1 == y2 & & x1 == x2)
< a name = "l241" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l242" > < / a > dc-> sym.snx = y2 - y1;
< a name = "l243" > < / a > dc-> sym.sny = x1 - x2;
< a name = "l244" > < / a > dc-> sym.snz = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l245" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (d = < / span > < span class = cF5 > Sqrt< / span > < span class = cF7 > (< / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (dc-> sym.snx) + < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (dc-> sym.sny) + < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (dc-> sym.snz)< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l246" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l247" > < / a > d = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > / d;
< a name = "l248" > < / a > dc-> sym.snx *= d;
< a name = "l249" > < / a > dc-> sym.sny *= d;
< a name = "l250" > < / a > dc-> sym.snz *= d;
< a name = "l251" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l252" > < / a > dc-> sym.sx = x1;
< a name = "l253" > < / a > dc-> sym.sy = y1;
< a name = "l254" > < / a > dc-> sym.sz = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
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< a name = "l255" > < / a >
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< a name = "l256" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l257" > < / a > }
< a name = "l258" > < / a >
< a name = "l259" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > DCSymmetry3Set< / span > < span class = cF0 > (< / span > < span class = cF9 > CDC< / span > < span class = cF0 > *dc=< / span > < span class = cFB > gr< / span > < span class = cF0 > .dc, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x3, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y3, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z3)
< a name = "l260" > < / a > {< / span > < span class = cF2 > //3D. Set device context's symmetry.< / span > < span class = cF0 >
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< a name = "l261" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > d, x, y, z, xx, yy, zz;
< a name = "l262" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > xx1, yy1, zz1, xx2, yy2, zz2, *r;
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< a name = "l263" > < / a >
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< a name = "l264" > < / a > xx1 = x1 - x2;
< a name = "l265" > < / a > yy1 = y1 - y2;
< a name = "l266" > < / a > zz1 = z1 - z2;
< a name = "l267" > < / a > xx2 = x3 - x2;
< a name = "l268" > < / a > yy2 = y3 - y2;
< a name = "l269" > < / a > zz2 = z3 - z2;
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< a name = "l270" > < / a >
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< a name = "l271" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!xx1 & & !yy1 & & !zz1 || !xx2 & & !yy2 & & !zz2 || xx1 == xx2 & & yy1 == yy2 & & zz1 == zz2)
< a name = "l272" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
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< a name = "l273" > < / a >
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< a name = "l274" > < / a > x = yy1 * zz2 - zz1 * yy2;
< a name = "l275" > < / a > y = -xx1 * zz2 + zz1 * xx2;
< a name = "l276" > < / a > z = xx1 * yy2 - yy1 * xx2;
< a name = "l277" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dc-> flags & < / span > < span class = cF3 > DCF_TRANSFORMATION< / span > < span class = cF0 > )
< a name = "l278" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l279" > < / a > r = dc-> r;
< a name = "l280" > < / a > xx = x * r[< / span > < span class = cFE > 0< / span > < span class = cF0 > ] + y * r[< / span > < span class = cFE > 1< / span > < span class = cF0 > ] + z * r[< / span > < span class = cFE > 2< / span > < span class = cF0 > ];
< a name = "l281" > < / a > yy = x * r[< / span > < span class = cFE > 4< / span > < span class = cF0 > ] + y * r[< / span > < span class = cFE > 5< / span > < span class = cF0 > ] + z * r[< / span > < span class = cFE > 6< / span > < span class = cF0 > ];
< a name = "l282" > < / a > zz = x * r[< / span > < span class = cFE > 8< / span > < span class = cF0 > ] + y * r[< / span > < span class = cFE > 9< / span > < span class = cF0 > ] + z * r[< / span > < span class = cFE > 10< / span > < span class = cF0 > ];
< a name = "l283" > < / a > x = xx;
< a name = "l284" > < / a > y = yy;
< a name = "l285" > < / a > z = zz;
< a name = "l286" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l287" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (d = < / span > < span class = cF5 > Sqrt< / span > < span class = cF7 > (< / span > < span class = cF5 > Sqr< / span > < span class = cF0 > (x) + < / span > < span class = cF5 > Sqr< / span > < span class = cF0 > (y) + < / span > < span class = cF5 > Sqr< / span > < span class = cF0 > (z)< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l288" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l289" > < / a > d = < / span > < span class = cF3 > GR_SCALE< / span > < span class = cF0 > / d;
< a name = "l290" > < / a > dc-> sym.snx = d * x;
< a name = "l291" > < / a > dc-> sym.sny = d * y;
< a name = "l292" > < / a > dc-> sym.snz = d * z;
< a name = "l293" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l294" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dc-> flags & < / span > < span class = cF3 > DCF_TRANSFORMATION< / span > < span class = cF0 > )
< a name = "l295" > < / a > (*dc-> transform)(dc, & x1, & y1, & z1);
< a name = "l296" > < / a > dc-> sym.sx = x1;
< a name = "l297" > < / a > dc-> sym.sy = y1;
< a name = "l298" > < / a > dc-> sym.sz = z1;
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< a name = "l299" > < / a >
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< a name = "l300" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l301" > < / a > }
< a name = "l302" > < / a >
< a name = "l303" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > < / span > < span class = cF5 > DCReflect< / span > < span class = cF0 > (< / span > < span class = cF9 > CDC< / span > < span class = cF0 > *dc, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *_x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *_y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *_z)
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< a name = "l304" > < / a > {< / span > < span class = cF2 > //Reflect 3D point about device context's symmetry. Uses < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.ZC.html#l1" > < span class = cF4 > fixed-point< / span > < / a > < span class = cF2 > .< / span > < span class = cF0 >
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< a name = "l305" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > x = *_x < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ,
< a name = "l306" > < / a > y = *_y < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ,
< a name = "l307" > < / a > z = *_z < < < / span > < span class = cFE > 32< / span > < span class = cF0 > ,
< a name = "l308" > < / a > xx = *_x - dc-> sym.sx,
< a name = "l309" > < / a > yy = *_y - dc-> sym.sy,
< a name = "l310" > < / a > zz = *_z - dc-> sym.sz,
< a name = "l311" > < / a > d = (xx * dc-> sym.snx + yy * dc-> sym.sny + zz * dc-> sym.snz) > > < / span > < span class = cFE > 16< / span > < span class = cF0 > ,
< a name = "l312" > < / a > xn, yn, zn, xx2, yy2, zz2;
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< a name = "l313" > < / a >
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< a name = "l314" > < / a > xn = d * dc-> sym.snx > > < / span > < span class = cFE > 15< / span > < span class = cF0 > ;
< a name = "l315" > < / a > yn = d * dc-> sym.sny > > < / span > < span class = cFE > 15< / span > < span class = cF0 > ;
< a name = "l316" > < / a > zn = d * dc-> sym.snz > > < / span > < span class = cFE > 15< / span > < span class = cF0 > ;
< a name = "l317" > < / a > xx = x - xn;
< a name = "l318" > < / a > yy = y - yn;
< a name = "l319" > < / a > zz = z - zn;
< a name = "l320" > < / a > xx2 = x + xn;
< a name = "l321" > < / a > yy2 = y + yn;
< a name = "l322" > < / a > zz2 = z + zn;
< a name = "l323" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > xx > > < / span > < span class = cFE > 16< / span > < span class = cF0 > - dc-> sym.sx < < < / span > < span class = cFE > 16< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > yy > > < / span > < span class = cFE > 16< / span > < span class = cF0 > - dc-> sym.sy < < < / span > < span class = cFE > 16< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > zz > > < / span > < span class = cFE > 16< / span > < span class = cF0 > - dc-> sym.sz < < < / span > < span class = cFE > 16< / span > < span class = cF7 > )< / span > < span class = cF0 > <
< a name = "l324" > < / a > < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > xx2 > > < / span > < span class = cFE > 16< / span > < span class = cF0 > - dc-> sym.sx < < < / span > < span class = cFE > 16< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > yy2 > > < / span > < span class = cFE > 16< / span > < span class = cF0 > - dc-> sym.sy < < < / span > < span class = cFE > 16< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > zz2 > > < / span > < span class = cFE > 16< / span > < span class = cF0 > - dc-> sym.sz < < < / span > < span class = cFE > 16< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l325" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l326" > < / a > *_x = xx.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l327" > < / a > *_y = yy.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l328" > < / a > *_z = zz.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l329" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l330" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l331" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l332" > < / a > *_x = xx2.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l333" > < / a > *_y = yy2.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l334" > < / a > *_z = zz2.i32[< / span > < span class = cFE > 1< / span > < span class = cF0 > ];
< a name = "l335" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l336" > < / a > }
< a name = "l337" > < / a >
< a name = "l338" > < / a > #< / span > < span class = cF1 > help_index< / span > < span class = cF0 > < / span > < span class = cF6 > " Graphics/Math" < / span > < span class = cF0 >
< a name = "l339" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > < / span > < span class = cFE > 24< / span > < span class = cF0 >
< a name = "l340" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > < / span > < span class = cFE > 8< / span > < span class = cF0 >
< a name = "l341" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > Circle< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cx, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cy, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cz, < / span > < span class = cF9 > I64< / span > < span class = cF0 > radius, < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > ,
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< a name = "l342" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > step=< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > start_radians=< / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > len_radians=< / span > < span class = cFE > 2< / span > < span class = cF0 > *< / span > < span class = cF3 > pi< / span > < span class = cF0 > )
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< a name = "l343" > < / a > {< / span > < span class = cF2 > //Step through circle arc calling callback.< / span > < span class = cF0 >
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< a name = "l344" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, j, len = < / span > < span class = cF5 > Ceil< / span > < span class = cF0 > (len_radians * radius), x, y, x1, y1, s1, s2, c;
< a name = "l345" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > t;
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< a name = "l346" > < / a >
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< a name = "l347" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (radius < = < / span > < span class = cFE > 0< / span > < span class = cF0 > || !step)
< a name = "l348" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
< a name = "l349" > < / a > t = < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > / radius;
< a name = "l350" > < / a > c = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (t);
< a name = "l351" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (step < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l352" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l353" > < / a > step = -step;
< a name = "l354" > < / a > s2 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (t);
< a name = "l355" > < / a > s1 = -s2;
< a name = "l356" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l357" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l358" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l359" > < / a > s1 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (t);
< a name = "l360" > < / a > s2 = -s1;
< a name = "l361" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l362" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (start_radians)
< a name = "l363" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l364" > < / a > x = radius * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (start_radians);
< a name = "l365" > < / a > y = -radius * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (start_radians);
< a name = "l366" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l367" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l368" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l369" > < / a > x = radius;
< a name = "l370" > < / a > y = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l371" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l372" > < / a > x < < = < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l373" > < / a > y < < = < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l374" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < = len; i += step)
< a name = "l375" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l376" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, cx + x > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > , cy + y > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > , cz< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l377" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l378" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (j = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; j < step; j++)
< a name = "l379" > < / a > {
< a name = "l380" > < / a > x1 =(c * x + s1 * y) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l381" > < / a > y1 =(s2 * x + c * y) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l382" > < / a > x = x1;
< a name = "l383" > < / a > y = y1;
< a name = "l384" > < / a > }
< a name = "l385" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l386" > < / a >
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< a name = "l387" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l388" > < / a > }
< a name = "l389" > < / a >
< a name = "l390" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > Ellipse< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cx, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cy, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cz, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x_radius, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y_radius,
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< a name = "l391" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > rot_angle=< / span > < span class = cFE > 0< / span > < span class = cF0 > ,
< a name = "l392" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > step=< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > start_radians=< / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > len_radians=< / span > < span class = cFE > 2< / span > < span class = cF0 > *< / span > < span class = cF3 > pi< / span > < span class = cF0 > )
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< a name = "l393" > < / a > {< / span > < span class = cF2 > //Step through ellipse arc calling callback.< / span > < span class = cF0 >
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< a name = "l394" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, j, len, x, y, _x, _y, x1, y1, x2, y2, s1, s2, c, s12, s22, c2;
< a name = "l395" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > t;
< a name = "l396" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first = < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l397" > < / a >
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< a name = "l398" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x_radius < = < / span > < span class = cFE > 0< / span > < span class = cF0 > || y_radius < = < / span > < span class = cFE > 0< / span > < span class = cF0 > || !step)
< a name = "l399" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
< a name = "l400" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x_radius > = y_radius)
< a name = "l401" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l402" > < / a > t = < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > / x_radius;
< a name = "l403" > < / a > len = < / span > < span class = cF5 > Ceil< / span > < span class = cF0 > (len_radians * x_radius);
< a name = "l404" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l405" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l406" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l407" > < / a > t = < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > / y_radius;
< a name = "l408" > < / a > len = < / span > < span class = cF5 > Ceil< / span > < span class = cF0 > (len_radians * y_radius);
< a name = "l409" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l410" > < / a >
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< a name = "l411" > < / a > c = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (t);
< a name = "l412" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (step < < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l413" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l414" > < / a > step = -step;
< a name = "l415" > < / a > s2 =< / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (t);
< a name = "l416" > < / a > s1 =-s2;
< a name = "l417" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l418" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l419" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l420" > < / a > s1 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (t);
< a name = "l421" > < / a > s2 = -s1;
< a name = "l422" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l423" > < / a >
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< a name = "l424" > < / a > c2 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (rot_angle);
< a name = "l425" > < / a > s12 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (rot_angle);
< a name = "l426" > < / a > s22 = -s12;
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< a name = "l427" > < / a >
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< a name = "l428" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (start_radians)
< a name = "l429" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l430" > < / a > x = x_radius * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (start_radians);
< a name = "l431" > < / a > y = -x_radius * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (start_radians);
< a name = "l432" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l433" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l434" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l435" > < / a > x = x_radius;
< a name = "l436" > < / a > y = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l437" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l438" > < / a > x < < = < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l439" > < / a > y < < = < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l440" > < / a > x2 = x;
< a name = "l441" > < / a > y2 = y;
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< a name = "l442" > < / a >
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< a name = "l443" > < / a > y1 = y2 * y_radius / x_radius;
< a name = "l444" > < / a > x = (c2 * x2 + s12 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l445" > < / a > y = (s22 * x2 + c2 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
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< a name = "l446" > < / a >
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< a name = "l447" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < = len; i += step)
< a name = "l448" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l449" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF7 > (< / span > < span class = cF0 > x > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > != _x || y > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > != _y || first< / span > < span class = cF7 > )< / span > < span class = cF0 > & &
< a name = "l450" > < / a > !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, cx + x > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > , cy + y > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > , cz< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l451" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
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< a name = "l452" > < / a >
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< a name = "l453" > < / a > _x = x > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l454" > < / a > _y = y > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l455" > < / a > first = < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l456" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (j = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; j < step; j++)
< a name = "l457" > < / a > {
< a name = "l458" > < / a > x1 = (c * x2 + s1 * y2) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l459" > < / a > y1 = (s2 * x2 + c * y2) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l460" > < / a > x2 = x1;
< a name = "l461" > < / a > y2 = y1;
< a name = "l462" > < / a > y1 = y1 * y_radius/x_radius;
< a name = "l463" > < / a > x = (c2 * x1+ s12 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l464" > < / a > y = (s22 * x1 + c2 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l465" > < / a > }
< a name = "l466" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l467" > < / a >
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< a name = "l468" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l469" > < / a > }
< a name = "l470" > < / a >
< a name = "l471" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > RegPoly< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cx, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cy, < / span > < span class = cF9 > I64< / span > < span class = cF0 > cz, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x_radius, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y_radius, < / span > < span class = cF9 > I64< / span > < span class = cF0 > sides,
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< a name = "l472" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > ,
< a name = "l473" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > rot_angle=< / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF9 > I64< / span > < span class = cF0 > step=< / span > < span class = cFE > 1< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > start_radians=< / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > F64< / span > < span class = cF0 > len_radians=< / span > < span class = cFE > 2< / span > < span class = cF0 > *< / span > < span class = cF3 > pi< / span > < span class = cF0 > )
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< a name = "l474" > < / a > {< / span > < span class = cF2 > //Step through regular polygon calling callback.< / span > < span class = cF0 >
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< a name = "l475" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, n, x, y, x1, y1, x2, y2, xx1, yy1, xx2, yy2, s1, s2, c, s12, s22, c2;
< a name = "l476" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > angle_step;
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< a name = "l477" > < / a >
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< a name = "l478" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (sides < = < / span > < span class = cFE > 0< / span > < span class = cF0 > || x_radius < = < / span > < span class = cFE > 0< / span > < span class = cF0 > || y_radius < = < / span > < span class = cFE > 0< / span > < span class = cF0 > )
< a name = "l479" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l480" > < / a >
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< a name = "l481" > < / a > angle_step = < / span > < span class = cFE > 2< / span > < span class = cF0 > * < / span > < span class = cF3 > pi< / span > < span class = cF0 > / sides;
< a name = "l482" > < / a > n = len_radians * sides / (< / span > < span class = cFE > 2< / span > < span class = cF0 > * < / span > < span class = cF3 > pi< / span > < span class = cF0 > );
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< a name = "l483" > < / a >
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< a name = "l484" > < / a > s1 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (angle_step);
< a name = "l485" > < / a > s2 = -s1;
< a name = "l486" > < / a > c = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (angle_step);
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< a name = "l487" > < / a >
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< a name = "l488" > < / a > s12 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (rot_angle);
< a name = "l489" > < / a > s22 = -s12;
< a name = "l490" > < / a > c2 = < / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (rot_angle);
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< a name = "l491" > < / a >
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< a name = "l492" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (start_radians)
< a name = "l493" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l494" > < / a > x = x_radius * < / span > < span class = cF5 > Cos< / span > < span class = cF0 > (start_radians);
< a name = "l495" > < / a > y = -x_radius * < / span > < span class = cF5 > Sin< / span > < span class = cF0 > (start_radians);
< a name = "l496" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l497" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l498" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l499" > < / a > x = x_radius;
< a name = "l500" > < / a > y = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l501" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l502" > < / a > x < < = < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l503" > < / a > y < < = < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l504" > < / a > x2 = x;
< a name = "l505" > < / a > y2 = y;
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< a name = "l506" > < / a >
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< a name = "l507" > < / a > y1 = y2 * y_radius / x_radius;
< a name = "l508" > < / a > x = (c2 * x2 + s12 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l509" > < / a > y = (s22 * x2 + c2 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
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< a name = "l510" > < / a >
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< a name = "l511" > < / a > xx1 = cx + x > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l512" > < / a > yy1 = cy + y > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l513" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < n; i++)
< a name = "l514" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l515" > < / a > x1 = (c * x2 + s1 * y2) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l516" > < / a > y1 = (s2 * x2 + c * y2) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l517" > < / a > x2 = x1;
< a name = "l518" > < / a > y2 = y1;
< a name = "l519" > < / a > y1 = y1 * y_radius / x_radius;
< a name = "l520" > < / a > x = (c2 * x1 + s12 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l521" > < / a > y = (s22 * x1 + c2 * y1) > > < / span > < span class = cF3 > GR_SCALE1_BITS< / span > < span class = cF0 > ;
< a name = "l522" > < / a > xx2 = cx + x > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l523" > < / a > yy2 = cy + y > > < / span > < span class = cF3 > GR_SCALE2_BITS< / span > < span class = cF0 > ;
< a name = "l524" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF5 > Line< / span > < span class = cF7 > (< / span > < span class = cF0 > aux_data, xx1, yy1, cz, xx2, yy2, cz, fp_plot, step< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l525" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l526" > < / a > xx1 = xx2;
< a name = "l527" > < / a > yy1 = yy2;
< a name = "l528" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l529" > < / a >
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< a name = "l530" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l531" > < / a > }
< a name = "l532" > < / a >
< a name = "l533" > < / a > #< / span > < span class = cF1 > help_index< / span > < span class = cF0 > < / span > < span class = cF6 > " Graphics/Data Types/D3I32;Math/Data Types/D3I32;Data Types/D3I32" < / span > < span class = cF0 >
< a name = "l534" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > F64< / span > < span class = cF0 > < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *p1, < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *p2)
< a name = "l535" > < / a > {< / span > < span class = cF2 > //Distance< / span > < span class = cF0 >
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< a name = "l536" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Sqrt< / span > < span class = cF0 > (< / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > p1-> x - p2-> x< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > p1-> y - p2-> y< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > p1-> z - p2-> z< / span > < span class = cF7 > )< / span > < span class = cF0 > );
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< a name = "l537" > < / a > }
< a name = "l538" > < / a >
< a name = "l539" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > < / span > < span class = cF5 > D3I32DistSqr< / span > < span class = cF0 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *p1, < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *p2)
< a name = "l540" > < / a > {< / span > < span class = cF2 > //Distance Squared< / span > < span class = cF0 >
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< a name = "l541" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (p1-> x - p2-> x) + < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (p1-> y - p2-> y) + < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (p1-> z - p2-> z);
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< a name = "l542" > < / a > }
< a name = "l543" > < / a >
< a name = "l544" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > F64< / span > < span class = cF0 > < / span > < span class = cF5 > D3I32Norm< / span > < span class = cF0 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *p)
< a name = "l545" > < / a > {< / span > < span class = cF2 > //Norm< / span > < span class = cF0 >
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< a name = "l546" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > Sqrt< / span > < span class = cF0 > (< / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > p-> x< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > p-> y< / span > < span class = cF7 > )< / span > < span class = cF0 > + < / span > < span class = cF5 > SqrI64< / span > < span class = cF7 > (< / span > < span class = cF0 > p-> z< / span > < span class = cF7 > )< / span > < span class = cF0 > );
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< a name = "l547" > < / a > }
< a name = "l548" > < / a >
< a name = "l549" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF9 > I64< / span > < span class = cF0 > < / span > < span class = cF5 > D3I32NormSqr< / span > < span class = cF0 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *p)
< a name = "l550" > < / a > {< / span > < span class = cF2 > //Norm Squared< / span > < span class = cF0 >
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< a name = "l551" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (p-> x) + < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (p-> y) + < / span > < span class = cF5 > SqrI64< / span > < span class = cF0 > (p-> z);
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< a name = "l552" > < / a > }
< a name = "l553" > < / a >
< a name = "l554" > < / a > #< / span > < span class = cF1 > help_index< / span > < span class = cF0 > < / span > < span class = cF6 > " Graphics/Math" < / span > < span class = cF0 >
< a name = "l555" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > Bezier2< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *ctrl, < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > , < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first=< / span > < span class = cF3 > TRUE< / span > < span class = cF0 > )
< a name = "l556" > < / a > {< / span > < span class = cF2 > //Go in 2nd order bezier calling callback.< / span > < span class = cF0 >
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< a name = "l557" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, y, z, xx, yy, zz, dx, dy, dz, d_max;
< a name = "l558" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > x0 = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x,
< a name = "l559" > < / a > y0 = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y,
< a name = "l560" > < / a > z0 = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z,
< a name = "l561" > < / a > x1 = ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].x - x0,
< a name = "l562" > < / a > y1 = ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].y - y0,
< a name = "l563" > < / a > z1 = ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].z - z0,
< a name = "l564" > < / a > x2 = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].x - x0,
< a name = "l565" > < / a > y2 = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].y - y0,
< a name = "l566" > < / a > z2 = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].z - z0,
< a name = "l567" > < / a > t, d = < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ]) + < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ]) + < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ]),
< a name = "l568" > < / a > s = < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 5< / span > < span class = cF0 > / d, t1, t2;
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< a name = "l569" > < / a >
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< a name = "l570" > < / a > xx = x0;
< a name = "l571" > < / a > yy = y0;
< a name = "l572" > < / a > zz = z0;
< a name = "l573" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (first & & !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, xx, yy, zz< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l574" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l575" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (t = < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ; t < = < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ; t += s)
< a name = "l576" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l577" > < / a > t1 = t * (< / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > - t);
< a name = "l578" > < / a > t2 = t * t;
< a name = "l579" > < / a > x = x0 + x1 * t1 + x2 * t2;
< a name = "l580" > < / a > y = y0 + y1 * t1 + y2 * t2;
< a name = "l581" > < / a > z = z0 + z1 * t1 + z2 * t2;
< a name = "l582" > < / a > dx = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (x - xx);
< a name = "l583" > < / a > dy = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (y - yy);
< a name = "l584" > < / a > dz = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (z - zz);
< a name = "l585" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dx > dy)
< a name = "l586" > < / a > d_max = dx;
< a name = "l587" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l588" > < / a > d_max = dy;
< a name = "l589" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dz > d_max)
< a name = "l590" > < / a > d_max = dz;
< a name = "l591" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!d_max)
< a name = "l592" > < / a > s *= < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l593" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l594" > < / a > {
< a name = "l595" > < / a > s *= < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 9< / span > < span class = cF0 > ;
< a name = "l596" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, x, y, z< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l597" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l598" > < / a > xx = x;
< a name = "l599" > < / a > yy = y;
< a name = "l600" > < / a > zz = z;
< a name = "l601" > < / a > }
< a name = "l602" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l603" > < / a > x = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].x;
< a name = "l604" > < / a > y = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].y;
< a name = "l605" > < / a > z = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].z;
< a name = "l606" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF7 > (< / span > < span class = cF0 > xx != x || yy != y || zz != z< / span > < span class = cF7 > )< / span > < span class = cF0 > & & !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, x, y, z< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l607" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
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< a name = "l608" > < / a >
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< a name = "l609" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l610" > < / a > }
< a name = "l611" > < / a >
< a name = "l612" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > Bezier3< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *ctrl, < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > , < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first=< / span > < span class = cF3 > TRUE< / span > < span class = cF0 > )
< a name = "l613" > < / a > {< / span > < span class = cF2 > //Go in 3rd order bezier calling callback.< / span > < span class = cF0 >
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< a name = "l614" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, y, z, xx, yy, zz, dx, dy, dz, d_max;
< a name = "l615" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > x0 = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x,
< a name = "l616" > < / a > y0 = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y,
< a name = "l617" > < / a > z0 = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z,
< a name = "l618" > < / a > x1 = ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].x - x0,
< a name = "l619" > < / a > y1 = ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].y - y0,
< a name = "l620" > < / a > z1 = ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].z - z0,
< a name = "l621" > < / a > x2 = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].x - x0,
< a name = "l622" > < / a > y2 = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].y - y0,
< a name = "l623" > < / a > z2 = ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].z - z0,
< a name = "l624" > < / a > x3 = ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].x - x0,
< a name = "l625" > < / a > y3 = ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].y - y0,
< a name = "l626" > < / a > z3 = ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].z - z0,
< a name = "l627" > < / a > t, d = < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ]) +
< a name = "l628" > < / a > < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 1< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ]) +
< a name = "l629" > < / a > < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 2< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ]) +
< a name = "l630" > < / a > < / span > < span class = cF5 > D3I32Dist< / span > < span class = cF0 > (& ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ], & ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ]),
< a name = "l631" > < / a > s = < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 5< / span > < span class = cF0 > / d, nt, t1, t2, t3;
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< a name = "l632" > < / a >
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< a name = "l633" > < / a > xx = x0;
< a name = "l634" > < / a > yy = y0;
< a name = "l635" > < / a > zz = z0;
< a name = "l636" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (first & & !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, xx, yy, zz< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l637" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l638" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (t = < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ; t < = < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ; t += s)
< a name = "l639" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l640" > < / a > nt = < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > - t;
< a name = "l641" > < / a > t1 = t * nt * nt;
< a name = "l642" > < / a > t2 = t * t * nt;
< a name = "l643" > < / a > t3 = t * t * t;
< a name = "l644" > < / a > x = x0 + x1 * t1 + x2 * t2 + x3 * t3;
< a name = "l645" > < / a > y = y0 + y1 * t1 + y2 * t2 + y3 * t3;
< a name = "l646" > < / a > z = z0 + z1 * t1 + z2 * t2 + z3 * t3;
< a name = "l647" > < / a > dx = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (x - xx);
< a name = "l648" > < / a > dy = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (y - yy);
< a name = "l649" > < / a > dz = < / span > < span class = cF5 > AbsI64< / span > < span class = cF0 > (z - zz);
< a name = "l650" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dx > dy)
< a name = "l651" > < / a > d_max = dx;
< a name = "l652" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l653" > < / a > d_max = dy;
< a name = "l654" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (dz > d_max)
< a name = "l655" > < / a > d_max = dz;
< a name = "l656" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!d_max)
< a name = "l657" > < / a > s *= < / span > < span class = cFE > 1< / span > < span class = cF0 > .< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l658" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l659" > < / a > {
< a name = "l660" > < / a > s *= < / span > < span class = cFE > 0< / span > < span class = cF0 > .< / span > < span class = cFE > 9< / span > < span class = cF0 > ;
< a name = "l661" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, x, y, z< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l662" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l663" > < / a > xx = x;
< a name = "l664" > < / a > yy = y;
< a name = "l665" > < / a > zz = z;
< a name = "l666" > < / a > }
< a name = "l667" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l668" > < / a > x = ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].x;
< a name = "l669" > < / a > y = ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].y;
< a name = "l670" > < / a > z = ctrl[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].z;
< a name = "l671" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF7 > (< / span > < span class = cF0 > xx != x || yy != y || zz != z< / span > < span class = cF7 > )< / span > < span class = cF0 > & & !< / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF0 > aux_data, x, y, z< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l672" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
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< a name = "l673" > < / a >
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< a name = "l674" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l675" > < / a > }
< a name = "l676" > < / a >
< a name = "l677" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > BSpline2< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *ctrl, < / span > < span class = cF9 > I64< / span > < span class = cF0 > count, < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > , < / span > < span class = cF1 > Bool< / span > < span class = cF0 > closed=< / span > < span class = cF3 > FALSE< / span > < span class = cF0 > )
< a name = "l678" > < / a > {< / span > < span class = cF2 > //Go in 2nd order spline calling callback.< / span > < span class = cF0 >
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< a name = "l679" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, j;
< a name = "l680" > < / a > < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *c;
< a name = "l681" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first;
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< a name = "l682" > < / a >
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< a name = "l683" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (count < < / span > < span class = cFE > 3< / span > < span class = cF0 > )
< a name = "l684" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l685" > < / a > first = < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
< a name = "l686" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (closed)
< a name = "l687" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l688" > < / a > count++;
< a name = "l689" > < / a > c = < / span > < span class = cF5 > MAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF7 > )< / span > < span class = cF0 > * < / span > < span class = cF7 > (< / span > < span class = cF0 > count * < / span > < span class = cFE > 2< / span > < span class = cF0 > - < / span > < span class = cFE > 1< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l690" > < / a > j = < / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l691" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i++)
< a name = "l692" > < / a > {
< a name = "l693" > < / a > c[j].x = (ctrl[i].x + ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l694" > < / a > c[j].y = (ctrl[i].y + ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l695" > < / a > c[j].z = (ctrl[i].z + ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l696" > < / a > j += < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l697" > < / a > }
< a name = "l698" > < / a > c[j].x = (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x + ctrl[count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l699" > < / a > c[j].y = (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y + ctrl[count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l700" > < / a > c[j].z = (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z + ctrl[count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
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< a name = "l701" > < / a >
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< a name = "l702" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x = (c[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].x + c[j].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l703" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y = (c[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].y + c[j].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l704" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z = (c[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].z + c[j].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l705" > < / a > j = < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l706" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i++)
< a name = "l707" > < / a > {
< a name = "l708" > < / a > c[j].x = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l709" > < / a > c[j].y = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l710" > < / a > c[j].z = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l711" > < / a > j += < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l712" > < / a > }
< a name = "l713" > < / a > c[j].x = c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x;
< a name = "l714" > < / a > c[j].y = c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y;
< a name = "l715" > < / a > c[j].z = c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z;
< a name = "l716" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l717" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l718" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l719" > < / a > c = < / span > < span class = cF5 > MAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF7 > )< / span > < span class = cF0 > * < / span > < span class = cF7 > (< / span > < span class = cF0 > count * < / span > < span class = cFE > 2< / span > < span class = cF0 > - < / span > < span class = cFE > 1< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l720" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x;
< a name = "l721" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y;
< a name = "l722" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z;
< a name = "l723" > < / a > c[count * < / span > < span class = cFE > 2< / span > < span class = cF0 > - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].x = ctrl[count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x;
< a name = "l724" > < / a > c[count * < / span > < span class = cFE > 2< / span > < span class = cF0 > - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].y = ctrl[count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y;
< a name = "l725" > < / a > c[count * < / span > < span class = cFE > 2< / span > < span class = cF0 > - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].z = ctrl[count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z;
< a name = "l726" > < / a > j = < / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l727" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ; i++)
< a name = "l728" > < / a > {
< a name = "l729" > < / a > c[j].x = (ctrl[i].x + ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l730" > < / a > c[j].y = (ctrl[i].y + ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l731" > < / a > c[j].z = (ctrl[i].z + ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l732" > < / a > j += < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l733" > < / a > }
< a name = "l734" > < / a > j = < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l735" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i++)
< a name = "l736" > < / a > {
< a name = "l737" > < / a > c[j].x = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l738" > < / a > c[j].y = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l739" > < / a > c[j].z = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l740" > < / a > j += < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l741" > < / a > }
< a name = "l742" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l743" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count * < / span > < span class = cFE > 2< / span > < span class = cF0 > - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i += < / span > < span class = cFE > 2< / span > < span class = cF0 > )
< a name = "l744" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l745" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF5 > Bezier2< / span > < span class = cF7 > (< / span > < span class = cF0 > aux_data, & c[i], fp_plot, first< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l746" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l747" > < / a > first = < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l748" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l749" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (c);
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< a name = "l750" > < / a >
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< a name = "l751" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l752" > < / a > }
< a name = "l753" > < / a >
< a name = "l754" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > BSpline3< / span > < span class = cF0 > (< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux_data, < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *ctrl, < / span > < span class = cF9 > I64< / span > < span class = cF0 > count, < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF7 > (< / span > < span class = cF0 > *fp_plot< / span > < span class = cF7 > )(< / span > < span class = cF1 > U8< / span > < span class = cF0 > *aux, < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, < / span > < span class = cF9 > I64< / span > < span class = cF0 > y, < / span > < span class = cF9 > I64< / span > < span class = cF0 > z< / span > < span class = cF7 > )< / span > < span class = cF0 > , < / span > < span class = cF1 > Bool< / span > < span class = cF0 > closed=< / span > < span class = cF3 > FALSE< / span > < span class = cF0 > )
< a name = "l755" > < / a > {< / span > < span class = cF2 > //Go in 3rd order spline calling callback.< / span > < span class = cF0 >
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< a name = "l756" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i, j;
< a name = "l757" > < / a > < / span > < span class = cF1 > F64< / span > < span class = cF0 > x, y, z;
< a name = "l758" > < / a > < / span > < span class = cF9 > CD3I32< / span > < span class = cF0 > *c;
< a name = "l759" > < / a > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > first;
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< a name = "l760" > < / a >
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< a name = "l761" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (count < < / span > < span class = cFE > 3< / span > < span class = cF0 > )
< a name = "l762" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l763" > < / a > first = < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
< a name = "l764" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (closed)
< a name = "l765" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l766" > < / a > count++;
< a name = "l767" > < / a > c = < / span > < span class = cF5 > MAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF7 > )< / span > < span class = cF0 > * < / span > < span class = cF7 > (< / span > < span class = cF0 > count * < / span > < span class = cFE > 3< / span > < span class = cF0 > - < / span > < span class = cFE > 2< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l768" > < / a > j = < / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l769" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i++)
< a name = "l770" > < / a > {
< a name = "l771" > < / a > x = ctrl[i].x;
< a name = "l772" > < / a > y = ctrl[i].y;
< a name = "l773" > < / a > z = ctrl[i].z;
< a name = "l774" > < / a > c[j].x = (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x - x) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + x;
< a name = "l775" > < / a > c[j].y = (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y - y) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + y;
< a name = "l776" > < / a > c[j].z = (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z - z) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + z;
< a name = "l777" > < / a > j++;
< a name = "l778" > < / a > c[j].x = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x - x) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + x;
< a name = "l779" > < / a > c[j].y = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y - y) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + y;
< a name = "l780" > < / a > c[j].z = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z - z) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + z;
< a name = "l781" > < / a > j += < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l782" > < / a > }
< a name = "l783" > < / a > x = ctrl[count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].x;
< a name = "l784" > < / a > y = ctrl[count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].y;
< a name = "l785" > < / a > z = ctrl[count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ].z;
< a name = "l786" > < / a > c[j].x = (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x - x) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + x;
< a name = "l787" > < / a > c[j].y = (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y - y) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + y;
< a name = "l788" > < / a > c[j].z = (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z - z) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + z;
< a name = "l789" > < / a > j++;
< a name = "l790" > < / a > c[j].x = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x - x) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + x;
< a name = "l791" > < / a > c[j].y = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y - y) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + y;
< a name = "l792" > < / a > c[j].z = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z - z) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + z;
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< a name = "l793" > < / a >
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< a name = "l794" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x = (c[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].x + c[j].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l795" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y = (c[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].y + c[j].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l796" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z = (c[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].z + c[j].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
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< a name = "l797" > < / a >
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< a name = "l798" > < / a > j = < / span > < span class = cFE > 3< / span > < span class = cF0 > ;
< a name = "l799" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i++)
< a name = "l800" > < / a > {
< a name = "l801" > < / a > c[j].x = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l802" > < / a > c[j].y = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l803" > < / a > c[j].z = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l804" > < / a > j += < / span > < span class = cFE > 3< / span > < span class = cF0 > ;
< a name = "l805" > < / a > }
< a name = "l806" > < / a > c[j].x = c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x;
< a name = "l807" > < / a > c[j].y = c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y;
< a name = "l808" > < / a > c[j].z = c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z;
< a name = "l809" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l810" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l811" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l812" > < / a > c = < / span > < span class = cF5 > MAlloc< / span > < span class = cF0 > (< / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF9 > CD3I32< / span > < span class = cF7 > )< / span > < span class = cF0 > * < / span > < span class = cF7 > (< / span > < span class = cF0 > count * < / span > < span class = cFE > 3< / span > < span class = cF0 > - < / span > < span class = cFE > 2< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l813" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].x;
< a name = "l814" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].y;
< a name = "l815" > < / a > c[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z = ctrl[< / span > < span class = cFE > 0< / span > < span class = cF0 > ].z;
< a name = "l816" > < / a > c[count * < / span > < span class = cFE > 3< / span > < span class = cF0 > - < / span > < span class = cFE > 3< / span > < span class = cF0 > ].x = ctrl[count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x;
< a name = "l817" > < / a > c[count * < / span > < span class = cFE > 3< / span > < span class = cF0 > - < / span > < span class = cFE > 3< / span > < span class = cF0 > ].y = ctrl[count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y;
< a name = "l818" > < / a > c[count * < / span > < span class = cFE > 3< / span > < span class = cF0 > - < / span > < span class = cFE > 3< / span > < span class = cF0 > ].z = ctrl[count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z;
< a name = "l819" > < / a > j = < / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l820" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 1< / span > < span class = cF0 > ; i++)
< a name = "l821" > < / a > {
< a name = "l822" > < / a > x = ctrl[i].x;
< a name = "l823" > < / a > y = ctrl[i].y;
< a name = "l824" > < / a > z = ctrl[i].z;
< a name = "l825" > < / a > c[j].x = (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x - x) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + x;
< a name = "l826" > < / a > c[j].y = (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y - y) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + y;
< a name = "l827" > < / a > c[j].z = (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z - z) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + z;
< a name = "l828" > < / a > j++;
< a name = "l829" > < / a > c[j].x = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x - x) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + x;
< a name = "l830" > < / a > c[j].y = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y - y) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + y;
< a name = "l831" > < / a > c[j].z = < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > * (ctrl[i + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z - z) / < / span > < span class = cFE > 3< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > + z;
< a name = "l832" > < / a > j += < / span > < span class = cFE > 2< / span > < span class = cF0 > ;
< a name = "l833" > < / a > }
< a name = "l834" > < / a > j = < / span > < span class = cFE > 3< / span > < span class = cF0 > ;
< a name = "l835" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count - < / span > < span class = cFE > 2< / span > < span class = cF0 > ; i++)
< a name = "l836" > < / a > {
< a name = "l837" > < / a > c[j].x = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].x) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l838" > < / a > c[j].y = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].y) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l839" > < / a > c[j].z = (c[j - < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z + c[j + < / span > < span class = cFE > 1< / span > < span class = cF0 > ].z) / < / span > < span class = cFE > 2< / span > < span class = cF0 > .< / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l840" > < / a > j += < / span > < span class = cFE > 3< / span > < span class = cF0 > ;
< a name = "l841" > < / a > }
< a name = "l842" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l843" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < count * < / span > < span class = cFE > 3< / span > < span class = cF0 > - < / span > < span class = cFE > 3< / span > < span class = cF0 > ; i += < / span > < span class = cFE > 3< / span > < span class = cF0 > )
< a name = "l844" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l845" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF5 > Bezier3< / span > < span class = cF7 > (< / span > < span class = cF0 > aux_data, & c[i], fp_plot, first< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l846" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l847" > < / a > first = < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
< a name = "l848" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l849" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (c);
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< a name = "l850" > < / a >
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< a name = "l851" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
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< a name = "l852" > < / a > }
< a name = "l853" > < / a >
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< a name = "l854" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > < / span > < span class = cF3 > CC_LEFT< / span > < span class = cF0 > < / span > < span class = cFE > 1< / span > < span class = cF0 >
< a name = "l855" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > < / span > < span class = cF3 > CC_RIGHT< / span > < span class = cF0 > < / span > < span class = cFE > 2< / span > < span class = cF0 >
< a name = "l856" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > < / span > < span class = cF3 > CC_TOP< / span > < span class = cF0 > < / span > < span class = cFE > 4< / span > < span class = cF0 >
< a name = "l857" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > < / span > < span class = cF3 > CC_BOTTOM< / span > < span class = cF0 > < / span > < span class = cFE > 8< / span > < span class = cF0 >
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< a name = "l858" > < / a >
< a name = "l859" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > Bool< / span > < span class = cF0 > < / span > < span class = cF5 > ClipLine< / span > < span class = cF0 > (< / span > < span class = cF9 > I64< / span > < span class = cF0 > *_x1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *_y1, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *_x2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > *_y2, < / span > < span class = cF9 > I64< / span > < span class = cF0 > left, < / span > < span class = cF9 > I64< / span > < span class = cF0 > top, < / span > < span class = cF9 > I64< / span > < span class = cF0 > right, < / span > < span class = cF9 > I64< / span > < span class = cF0 > bottom)
< a name = "l860" > < / a > {< / span > < span class = cF2 > //Clip x1,y1 x2,y2 with left,top,right,bottom.< / span > < span class = cF0 >
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< a name = "l861" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > x, y, x1 = *_x1, y1 = *_y1, x2 = *_x2, y2 = *_y2, cc, cc1, cc2;
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< a name = "l862" > < / a >
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< a name = "l863" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y1 > bottom)
< a name = "l864" > < / a > cc1 = < / span > < span class = cF3 > CC_BOTTOM< / span > < span class = cF0 > ;
< a name = "l865" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y1 < top)
< a name = "l866" > < / a > cc1 = < / span > < span class = cF3 > CC_TOP< / span > < span class = cF0 > ;
< a name = "l867" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l868" > < / a > cc1 = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l869" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x1 > right)
< a name = "l870" > < / a > cc1 |= < / span > < span class = cF3 > CC_RIGHT< / span > < span class = cF0 > ;
< a name = "l871" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x1 < left)
< a name = "l872" > < / a > cc1 |= < / span > < span class = cF3 > CC_LEFT< / span > < span class = cF0 > ;
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< a name = "l873" > < / a >
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< a name = "l874" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y2 > bottom)
< a name = "l875" > < / a > cc2 = < / span > < span class = cF3 > CC_BOTTOM< / span > < span class = cF0 > ;
< a name = "l876" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y2 < top)
< a name = "l877" > < / a > cc2 = < / span > < span class = cF3 > CC_TOP< / span > < span class = cF0 > ;
< a name = "l878" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l879" > < / a > cc2 = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l880" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x2 > right)
< a name = "l881" > < / a > cc2 |= < / span > < span class = cF3 > CC_RIGHT< / span > < span class = cF0 > ;
< a name = "l882" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x2 < left)
< a name = "l883" > < / a > cc2 |= < / span > < span class = cF3 > CC_LEFT< / span > < span class = cF0 > ;
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< a name = "l884" > < / a >
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< a name = "l885" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (< / span > < span class = cF3 > TRUE< / span > < span class = cF0 > )
< a name = "l886" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l887" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!< / span > < span class = cF7 > (< / span > < span class = cF0 > cc1 | cc2< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l888" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > TRUE< / span > < span class = cF0 > ;
< a name = "l889" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (cc1 & cc2)
< a name = "l890" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > FALSE< / span > < span class = cF0 > ;
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< a name = "l891" > < / a >
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< a name = "l892" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (cc1)
< a name = "l893" > < / a > cc = cc1;
< a name = "l894" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l895" > < / a > cc = cc2;
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< a name = "l896" > < / a >
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< a name = "l897" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (cc & < / span > < span class = cF3 > CC_BOTTOM< / span > < span class = cF0 > )
< a name = "l898" > < / a > {
< a name = "l899" > < / a > x = x1 + (x2 - x1) * (bottom - y1) / (y2 - y1);
< a name = "l900" > < / a > y = bottom;
< a name = "l901" > < / a > }
< a name = "l902" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (cc & < / span > < span class = cF3 > CC_TOP< / span > < span class = cF0 > )
< a name = "l903" > < / a > {
< a name = "l904" > < / a > x = x1 + (x2 - x1) * (top - y1) / (y2 - y1);
< a name = "l905" > < / a > y = top;
< a name = "l906" > < / a > }
< a name = "l907" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (cc & < / span > < span class = cF3 > CC_RIGHT< / span > < span class = cF0 > )
< a name = "l908" > < / a > {
< a name = "l909" > < / a > y = y1 + (y2 - y1) * (right - x1) / (x2 - x1);
< a name = "l910" > < / a > x = right;
< a name = "l911" > < / a > }
< a name = "l912" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l913" > < / a > {
< a name = "l914" > < / a > y = y1 + (y2 - y1) * (left - x1) / (x2 - x1);
< a name = "l915" > < / a > x = left;
< a name = "l916" > < / a > }
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< a name = "l917" > < / a >
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< a name = "l918" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (cc == cc1)
< a name = "l919" > < / a > {
< a name = "l920" > < / a > *_x1 = x1 = x;
< a name = "l921" > < / a > *_y1 = y1 = y;
< a name = "l922" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y1 > bottom)
< a name = "l923" > < / a > cc1 = < / span > < span class = cF3 > CC_BOTTOM< / span > < span class = cF0 > ;
< a name = "l924" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y1 < top)
< a name = "l925" > < / a > cc1 = < / span > < span class = cF3 > CC_TOP< / span > < span class = cF0 > ;
< a name = "l926" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l927" > < / a > cc1 = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l928" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x1 > right)
< a name = "l929" > < / a > cc1 |= < / span > < span class = cF3 > CC_RIGHT< / span > < span class = cF0 > ;
< a name = "l930" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x1 < left)
< a name = "l931" > < / a > cc1 |= < / span > < span class = cF3 > CC_LEFT< / span > < span class = cF0 > ;
< a name = "l932" > < / a > }
< a name = "l933" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l934" > < / a > {
< a name = "l935" > < / a > *_x2 = x2 = x;
< a name = "l936" > < / a > *_y2 = y2 = y;
< a name = "l937" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y2 > bottom)
< a name = "l938" > < / a > cc2 = < / span > < span class = cF3 > CC_BOTTOM< / span > < span class = cF0 > ;
< a name = "l939" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (y2 < top)
< a name = "l940" > < / a > cc2 = < / span > < span class = cF3 > CC_TOP< / span > < span class = cF0 > ;
< a name = "l941" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l942" > < / a > cc2 = < / span > < span class = cFE > 0< / span > < span class = cF0 > ;
< a name = "l943" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x2 > right)
< a name = "l944" > < / a > cc2 |= < / span > < span class = cF3 > CC_RIGHT< / span > < span class = cF0 > ;
< a name = "l945" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 > < / span > < span class = cF1 > if< / span > < span class = cF0 > (x2 < left)
< a name = "l946" > < / a > cc2 |= < / span > < span class = cF3 > CC_LEFT< / span > < span class = cF0 > ;
< a name = "l947" > < / a > }
< a name = "l948" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l949" > < / a > }
< / span > < / pre > < / body >
< / html >
