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< pre style = " font-family:monospace;font-size:12pt " >
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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 > & quot ; Graphics / Math / 3 D Transformation & quot ; < / span > < span class = cF0 >
< a name = " l2 " > < / a > # < / span > < span class = cF1 > help_file < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; : : / Doc / Transform & quot ; < / span > < span class = cF0 >
< a name = " l3 " > < / a >
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< a name = " l4 " > < / a > # < / span > < span class = cF1 > define < / span > < span class = cF0 > < / span > < span class = cF3 > GR_SCALE < / span > < span class = cF0 > ( < / span > < span class = cFE > 1 < / span > < span class = cF0 > & lt ; & lt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > )
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< a name = " l5 " > < / a >
< a name = " l6 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4MulXYZ < / 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 = " l7 " > < / a > { < / span > < span class = cF2 > //Rotate 3D point using 4x4 matrix. Uses </span><a href="https://tomawezome.github.io/ZealOS/Demo/Lectures/FixedPoint.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
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< a name = " l8 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > x1 , y1 , z1 , xx = * _x , yy = * _y , zz = * _z ;
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< a name = " l9 " > < / a >
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< a name = " l10 " > < / a > x1 = ( r [ < / span > < span class = cFE > 0 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 0 < / span > < span class = cF0 > ] * xx + r [ < / span > < span class = cFE > 0 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] * yy + r [ < / span > < span class = cFE > 0 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] * zz + 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 > ] ) & gt ; & gt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > ;
< a name = " l11 " > < / a > y1 = ( r [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 0 < / span > < span class = cF0 > ] * xx + r [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] * yy + r [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] * zz + 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 > ] ) & gt ; & gt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > ;
< a name = " l12 " > < / a > z1 = ( r [ < / span > < span class = cFE > 2 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 0 < / span > < span class = cF0 > ] * xx + r [ < / span > < span class = cFE > 2 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] * yy + r [ < / span > < span class = cFE > 2 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] * zz + 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 > ] ) & gt ; & gt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > ;
< a name = " l13 " > < / a > * _x = x1 ;
< a name = " l14 " > < / a > * _y = y1 ;
< a name = " l15 " > < / a > * _z = z1 ;
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< a name = " l16 " > < / a > }
< a name = " l17 " > < / a >
< a name = " l18 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCTransform < / 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 )
< a name = " l19 " > < / a > { < / span > < span class = cF2 > //This is the default dc->transform() callback.</span><span class=cF0>
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< a name = " l20 " > < / a > < / span > < span class = cF2 > //Uses </span><a href="https://tomawezome.github.io/ZealOS/Demo/Lectures/FixedPoint.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
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< a name = " l21 " > < / a > < / span > < span class = cF5 > Mat4x4MulXYZ < / span > < span class = cF0 > ( dc - & gt ; r , _x , _y , _z ) ;
< a name = " l22 " > < / a > * _x + = dc - & gt ; x ;
< a name = " l23 " > < / a > * _y + = dc - & gt ; y ;
< a name = " l24 " > < / a > * _z + = dc - & gt ; z ;
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< a name = " l25 " > < / a > }
< a name = " l26 " > < / a >
< a name = " l27 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * < / span > < span class = cF5 > Mat4x4IdentEqu < / span > < span class = cF0 > ( < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * r )
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< a name = " l28 " > < / a > { < / span > < span class = cF2 > //Set matrix to identity. Uses </span><a href="https://tomawezome.github.io/ZealOS/Demo/Lectures/FixedPoint.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
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< a name = " l29 " > < / 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 = cF9 > I64 < / span > < span class = cF7 > ) < / span > < span class = cF0 > * < / span > < span class = cFE > 16 < / span > < span class = cF0 > ) ;
< a name = " l30 " > < / a > r [ < / span > < span class = cFE > 0 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 0 < / span > < span class = cF0 > ] . i32 [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l31 " > < / a > r [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] . i32 [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l32 " > < / a > r [ < / span > < span class = cFE > 2 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] . i32 [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l33 " > < / 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 > ] . i32 [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
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< a name = " l34 " > < / a >
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< a name = " l35 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > r ;
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< a name = " l36 " > < / a > }
< a name = " l37 " > < / a >
< a name = " l38 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * < / span > < span class = cF5 > Mat4x4IdentNew < / span > < span class = cF0 > ( < / 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 = " l39 " > < / a > { < / span > < span class = cF2 > //MAlloc an identity matrix. Uses </span><a href="https://tomawezome.github.io/ZealOS/Demo/Lectures/FixedPoint.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
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< a name = " l40 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4IdentEqu < / 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 > ) ;
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< a name = " l41 " > < / a > }
< a name = " l42 " > < / a >
< a name = " l43 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > < / span > < span class = cF5 > Mat4x4NormSqr65536 < / span > < span class = cF0 > ( < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * r )
< a name = " l44 " > < / a > { < / span > < span class = cF2 > //Norm Squared of r.</span><span class=cF0>
< a name = " l45 " > < / a > < / span > < span class = cF2 > //(1.0/Sqrt(3))*65536=37837.22</span><span class=cF0>
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< a name = " l46 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF5 > SqrI64 < / span > < span class = cF0 > ( < / span > < span class = cF7 > ( < / span > < span class = cF0 > r [ < / span > < span class = cFE > 0 < / 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 > 37838 < / span > < span class = cF0 > + r [ < / span > < span class = cFE > 0 < / 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 > 37838 < / span > < span class = cF0 > + r [ < / span > < span class = cFE > 0 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] * < / span > < span class = cFE > 37838 < / span > < span class = cF7 > ) < / span > < span class = cF0 > & gt ; & gt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > ) +
< a name = " l47 " > < / a > < / span > < span class = cF5 > SqrI64 < / span > < span class = cF0 > ( < / span > < span class = cF7 > ( < / span > < span class = cF0 > r [ < / span > < span class = cFE > 1 < / 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 > 37837 < / span > < span class = cF0 > + r [ < / span > < span class = cFE > 1 < / 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 > 37837 < / span > < span class = cF0 > + r [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] * < / span > < span class = cFE > 37837 < / span > < span class = cF7 > ) < / span > < span class = cF0 > & gt ; & gt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > ) +
< a name = " l48 " > < / a > < / span > < span class = cF5 > SqrI64 < / span > < span class = cF0 > ( < / span > < span class = cF7 > ( < / span > < span class = cF0 > r [ < / span > < span class = cFE > 2 < / 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 > 37837 < / span > < span class = cF0 > + r [ < / span > < span class = cFE > 2 < / 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 > 37837 < / span > < span class = cF0 > + r [ < / span > < span class = cFE > 2 < / span > < span class = cF0 > * < / span > < span class = cFE > 4 < / span > < span class = cF0 > + < / span > < span class = cFE > 2 < / span > < span class = cF0 > ] * < / span > < span class = cFE > 37837 < / span > < span class = cF7 > ) < / span > < span class = cF0 > & gt ; & gt ; < / span > < span class = cFE > 32 < / span > < span class = cF0 > ) ;
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< a name = " l49 " > < / a > }
< a name = " l50 " > < / a >
< a name = " l51 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCMat4x4Set < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * r )
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< a name = " l52 " > < / a > { < / span > < span class = cF2 > //Set device context's rot matrix. Will be </span><a href="https://tomawezome.github.io/ZealOS/Kernel/Memory/MAllocFree.html#l387"><span class=cF4>Free</span></a><span class=cF2>d() in </span><a href="https://tomawezome.github.io/ZealOS/System/Gr/GrDC.html#l230"><span class=cF4>DCDel</span></a><span class=cF2>().Uses </span><a href="https://tomawezome.github.io/ZealOS/Demo/Lectures/FixedPoint.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
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< a name = " l53 " > < / a > < / span > < span class = cF2 > //The main purpose is to set matrix norm for thick scaling.</span><span class=cF0>
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< a name = " l54 " > < / a > < / span > < span class = cF2 > //NULL as dc means gr.dc</span><span class=cF0>
< a name = " l55 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l56 " > < / a > dc = < / span > < span class = cFB > gr < / span > < span class = cF0 > . dc ;
< a name = " l57 " > < / a > dc - & gt ; r = r ;
< a name = " l58 " > < / a > dc - & gt ; r_norm = < / span > < span class = cF5 > Sqrt < / span > < span class = cF0 > ( < / span > < span class = cF5 > Mat4x4NormSqr65536 < / span > < span class = cF7 > ( < / span > < span class = cF0 > r < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) * < / span > < span class = cFE > 65536 < / span > < span class = cF0 > ; < / span > < span class = cF2 > //scaled 32 bits</span><span class=cF0>
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< a name = " l59 " > < / a > }
< a name = " l60 " > < / a >
< a name = " l61 " > < / a > # < / span > < span class = cF1 > help_index < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; Graphics / Mesh & quot ; < / span > < span class = cF0 >
< a name = " l62 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCLighting < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc , < / span > < span class = cF9 > CD3I32 < / span > < span class = cF0 > * p1 , < / span > < span class = cF9 > CD3I32 < / span > < span class = cF0 > * p2 , < / span > < span class = cF9 > CD3I32 < / span > < span class = cF0 > * p3 , < / span > < span class = cF9 > CColorROPU32 < / span > < span class = cF0 > color )
< a name = " l63 " > < / a > { < / span > < span class = cF2 > //This is the default dc->lighting() callback.</span><span class=cF0>
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< a name = " l64 " > < / a > < / span > < span class = cF9 > CD3I32 < / span > < span class = cF0 > v1 , v2 ;
< a name = " l65 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > i , vn_x , vn_y , vn_z ;
< a name = " l66 " > < / a > < / span > < span class = cF1 > F64 < / span > < span class = cF0 > d ;
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< a name = " l67 " > < / a >
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< a name = " l68 " > < / a > v1 . x = p1 - & gt ; x - p2 - & gt ; x ;
< a name = " l69 " > < / a > v1 . y = p1 - & gt ; y - p2 - & gt ; y ;
< a name = " l70 " > < / a > v1 . z = p1 - & gt ; z - p2 - & gt ; z ;
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< a name = " l71 " > < / a >
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< a name = " l72 " > < / a > v2 . x = p3 - & gt ; x - p2 - & gt ; x ;
< a name = " l73 " > < / a > v2 . y = p3 - & gt ; y - p2 - & gt ; y ;
< a name = " l74 " > < / a > v2 . z = p3 - & gt ; z - p2 - & gt ; z ;
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< a name = " l75 " > < / a >
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< a name = " l76 " > < / a > < / span > < span class = cF2 > //V1 and V2 are vects along two sides</span><span class=cF0>
< a name = " l77 " > < / a > < / span > < span class = cF2 > //of the tri joined at p2.</span><span class=cF0>
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< a name = " l78 " > < / a >
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< a name = " l79 " > < / a > vn_x = v1 . y * v2 . z - v1 . z * v2 . y ;
< a name = " l80 " > < / a > vn_y = v1 . z * v2 . x - v1 . x * v2 . z ;
< a name = " l81 " > < / a > vn_z = v1 . x * v2 . y - v1 . y * v2 . x ;
< a name = " l82 " > < / 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 > ( vn_x ) + < / span > < span class = cF5 > SqrI64 < / span > < span class = cF0 > ( vn_y ) + < / span > < span class = cF5 > SqrI64 < / span > < span class = cF0 > ( vn_z ) < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l83 " > < / a > d = < / span > < span class = cFE > 1 < / span > < span class = cF0 > & lt ; & lt ; < / span > < span class = cFE > 16 < / span > < span class = cF0 > / d ;
< a name = " l84 " > < / a > vn_x * = d ;
< a name = " l85 " > < / a > vn_y * = d ;
< a name = " l86 " > < / a > vn_z * = d ;
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< a name = " l87 " > < / a > < / span > < span class = cF2 > //Vn is the cross product of V1 and V3</span><span class=cF0>
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< a name = " l88 " > < / a > < / span > < span class = cF2 > //which means it is perpendicular. It</span><span class=cF0>
< a name = " l89 " > < / a > < / span > < span class = cF2 > //is the normal vect to the surface.</span><span class=cF0>
< a name = " l90 " > < / a > < / span > < span class = cF2 > //It has been scaled to length 65536.</span><span class=cF0>
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< a name = " l91 " > < / a >
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< a name = " l92 " > < / a > < / span > < span class = cF2 > //Light source has been scaled to length 65536.</span><span class=cF0>
< a name = " l93 " > < / a > i = ( vn_x * dc - & gt ; ls . x + vn_y * dc - & gt ; ls . y + vn_z * dc - & gt ; ls . z ) & gt ; & gt ; < / span > < span class = cFE > 16 < / span > < span class = cF0 > ;
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< a name = " l94 " > < / a > < / span > < span class = cF2 > //The dot product of the light source</span><span class=cF0>
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< a name = " l95 " > < / a > < / span > < span class = cF2 > //vect and the surface normal</span><span class=cF0>
< a name = " l96 " > < / a > < / span > < span class = cF2 > //gives an illumination number.</span><span class=cF0>
< a name = " l97 " > < / a > < / span > < span class = cF2 > //65536*65536>>16=65536</span><span class=cF0>
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< a name = " l98 " > < / a >
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< a name = " l99 " > < / a > < / span > < span class = cF2 > //ZealOS will generate a random U16</span><span class=cF0>
< a name = " l100 " > < / a > < / span > < span class = cF2 > //and compare to dither_probability_u16 and</span><span class=cF0>
< a name = " l101 " > < / a > < / span > < span class = cF2 > //will pick from two colors.</span><span class=cF0>
< a name = " l102 " > < / a > < / span > < span class = cF2 > //Probability dithering does not work with thick>1 at this time.</span><span class=cF0>
< a name = " l103 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( color . c0 . rop & amp ; < / span > < span class = cF3 > ROPBF_TWO_SIDED < / span > < span class = cF0 > )
< a name = " l104 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l105 " > < / a > color . c0 . rop & amp ; = ~ < / span > < span class = cF3 > ROPBF_TWO_SIDED < / span > < span class = cF0 > ;
< a name = " l106 " > < / a > i = < / span > < span class = cF5 > AbsI64 < / span > < span class = cF0 > ( i ) & lt ; & lt ; < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l107 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l108 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l109 " > < / a > i + = < / span > < span class = cFE > 65536 < / span > < span class = cF0 > ;
< a name = " l110 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( color . c0 . rop & amp ; < / span > < span class = cF3 > ROPBF_HALF_RANGE_COLOR < / span > < span class = cF0 > )
< a name = " l111 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l112 " > < / a > color . c0 . rop & amp ; = ~ < / span > < span class = cF3 > ROPBF_HALF_RANGE_COLOR < / span > < span class = cF0 > ;
< a name = " l113 " > < / a > i & gt ; & gt ; = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l114 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( color & gt ; = < / span > < span class = cFE > 8 < / span > < span class = cF0 > )
< a name = " l115 " > < / a > {
< a name = " l116 " > < / a > color - = < / span > < span class = cFE > 8 < / span > < span class = cF0 > ;
< a name = " l117 " > < / a > i + = < / span > < span class = cFE > 65536 < / span > < span class = cF0 > ;
< a name = " l118 " > < / a > }
< a name = " l119 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l120 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( i & lt ; < / span > < span class = cFE > 65536 < / span > < span class = cF0 > )
< a name = " l121 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l122 " > < / a > dc - & gt ; color = < / span > < span class = cF3 > ROPF_PROBABILITY_DITHER < / span > < span class = cF0 > + color & lt ; & lt ; < / span > < span class = cFE > 16 < / span > < span class = cF0 > + < / span > < span class = cF3 > BLACK < / span > < span class = cF0 > ;
< a name = " l123 " > < / a > dc - & gt ; dither_probability_u16 = i ;
< a name = " l124 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l125 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l126 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l127 " > < / a > dc - & gt ; color = < / span > < span class = cF3 > ROPF_PROBABILITY_DITHER < / span > < span class = cF0 > + ( color ^ < / span > < span class = cFE > 8 < / span > < span class = cF0 > ) & lt ; & lt ; < / span > < span class = cFE > 16 < / span > < span class = cF0 > + color ;
< a name = " l128 " > < / a > dc - & gt ; dither_probability_u16 = i - < / span > < span class = cFE > 65536 < / span > < span class = cF0 > ;
< a name = " l129 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
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< a name = " l130 " > < / a > }
< a name = " l131 " > < / a >
< a name = " l132 " > < / a > # < / span > < span class = cF1 > help_index < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; Graphics / Device Contexts & quot ; < / span > < span class = cF0 >
< a name = " l133 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCFill < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF9 > CColorROPU32 < / span > < span class = cF0 > val = < / span > < span class = cF3 > TRANSPARENT < / span > < span class = cF0 > )
< a name = " l134 " > < / a > { < / span > < span class = cF2 > //Fill entire device context with color.</span><span class=cF0>
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< a name = " l135 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l136 " > < / a > dc = < / span > < span class = cFB > gr < / span > < span class = cF0 > . dc ;
< a name = " l137 " > < / a > < / span > < span class = cF5 > MemSet < / span > < span class = cF0 > ( dc - & gt ; body , val , dc - & gt ; width_internal * dc - & gt ; height ) ;
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< a name = " l138 " > < / a > }
< a name = " l139 " > < / a >
< a name = " l140 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCClear < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l141 " > < / a > { < / span > < span class = cF2 > //Set entire device context image body to 0 (BLACK).</span><span class=cF0>
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< a name = " l142 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l143 " > < / a > dc = < / span > < span class = cFB > gr < / span > < span class = cF0 > . dc ;
< a name = " l144 " > < / a > < / span > < span class = cF5 > DCFill < / span > < span class = cF0 > ( dc , < / span > < span class = cFE > 0 < / span > < span class = cF0 > ) ;
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< a name = " l145 " > < / a > }
< a name = " l146 " > < / a >
< a name = " l147 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCReset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc )
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< a name = " l148 " > < / a > { < / span > < span class = cF2 > //Reset </span><a href="https://tomawezome.github.io/ZealOS/Kernel/KernelA.html#l4261"><span class=cF4>CDC</span></a><span class=cF2> structure members but not image body, itself.</span><span class=cF0>
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< a name = " l149 " > < / a > dc - & gt ; color = < / span > < span class = cF3 > BLACK < / span > < span class = cF0 > ;
< a name = " l150 " > < / a > dc - & gt ; color2 = < / span > < span class = cF3 > BLACK < / span > < span class = cF0 > ;
< a name = " l151 " > < / a > dc - & gt ; bkcolor = < / span > < span class = cF3 > BLACK < / span > < span class = cF0 > ;
< a name = " l152 " > < / a > dc - & gt ; collision_count = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l153 " > < / a > dc - & gt ; thick = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l154 " > < / a > dc - & gt ; ls . x = < / span > < span class = cFE > 37837 < / span > < span class = cF0 > ; < / span > < span class = cF2 > //1<<16/Sqrt(3)</span><span class=cF0>
< a name = " l155 " > < / a > dc - & gt ; ls . y = < / span > < span class = cFE > 37837 < / span > < span class = cF0 > ;
< a name = " l156 " > < / a > dc - & gt ; ls . z = < / span > < span class = cFE > 37837 < / span > < span class = cF0 > ;
< a name = " l157 " > < / a > dc - & gt ; x = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l158 " > < / a > dc - & gt ; y = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l159 " > < / a > dc - & gt ; z = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l160 " > < / a > dc - & gt ; transform = & amp ; < / span > < span class = cF5 > DCTransform < / span > < span class = cF0 > ;
< a name = " l161 " > < / a > dc - & gt ; lighting = & amp ; < / span > < span class = cF5 > DCLighting < / span > < span class = cF0 > ;
< a name = " l162 " > < / a > < / span > < span class = cF5 > Mat4x4IdentEqu < / span > < span class = cF0 > ( dc - & gt ; r ) ;
< a name = " l163 " > < / a > dc - & gt ; r_norm = < / span > < span class = cF3 > GR_SCALE < / span > < span class = cF0 > ;
< a name = " l164 " > < / a > dc - & gt ; flags & amp ; = ~ ( < / span > < span class = cF3 > DCF_SYMMETRY < / span > < span class = cF0 > | < / span > < span class = cF3 > DCF_TRANSFORMATION < / span > < span class = cF0 > | < / span > < span class = cF3 > DCF_JUST_MIRROR < / span > < span class = cF0 > ) ;
< a name = " l165 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( dc - & gt ; palette , < / span > < span class = cFB > gr_palette_std < / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF7 > ) < / span > < span class = cF0 > * < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > ) ;
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< a name = " l166 " > < / a > }
< a name = " l167 " > < / a >
< a name = " l168 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCExtentsInit < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l169 " > < / a > { < / span > < span class = cF2 > //Init markers for extent of next newly drawn graphics.</span><span class=cF0>
< a name = " l170 " > < / a > < / span > < span class = cF2 > //NULL means gr.dc</span><span class=cF0>
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< a name = " l171 " > < / a > < / span > < span class = cF2 > //See </span><a href="https://tomawezome.github.io/ZealOS/Demo/Graphics/Extents.html#l1"><span class=cF4>::/Demo/Graphics/Extents.CC</span></a><span class=cF0>
< a name = " l172 " > < / a > < / span > < span class = cF2 > //You should clear the record flag yourself</span><span class=cF0>
< a name = " l173 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l174 " > < / a > dc = < / span > < span class = cFB > gr < / span > < span class = cF0 > . dc ;
< a name = " l175 " > < / a > dc - & gt ; flags | = < / span > < span class = cF3 > DCF_RECORD_EXTENTS < / span > < span class = cF0 > ;
< a name = " l176 " > < / a > dc - & gt ; min_x = < / span > < span class = cF3 > I64_MAX < / span > < span class = cF0 > ;
< a name = " l177 " > < / a > dc - & gt ; max_x = < / span > < span class = cF3 > I64_MIN < / span > < span class = cF0 > ;
< a name = " l178 " > < / a > dc - & gt ; min_y = < / span > < span class = cF3 > I64_MAX < / span > < span class = cF0 > ;
< a name = " l179 " > < / a > dc - & gt ; max_y = < / span > < span class = cF3 > I64_MIN < / span > < span class = cF0 > ;
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< a name = " l180 " > < / a > }
< a name = " l181 " > < / a >
< a name = " l182 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * < / span > < span class = cF5 > DCAlias < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF9 > CTask < / span > < span class = cF0 > * task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l183 " > < / a > { < / span > < span class = cF2 > //Create alias of dc, so can change pen, color, etc.</span><span class=cF0>
< a name = " l184 " > < / a > < / span > < span class = cF2 > //NULL means gr.dc</span><span class=cF0>
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< a name = " l185 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * res ;
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< a name = " l186 " > < / a >
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< a name = " l187 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l188 " > < / a > dc = < / span > < span class = cFB > gr < / span > < span class = cF0 > . dc ;
< a name = " l189 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! task )
< a name = " l190 " > < / a > task = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > ;
< a name = " l191 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( dc - & gt ; dc_signature ! = < / span > < span class = cF3 > DCS_SIGNATURE_VAL < / span > < span class = cF0 > )
< a name = " l192 " > < / a > < / span > < span class = cF5 > throw < / span > < span class = cF0 > ( < / span > < span class = cF6 > ' Graphics ' < / span > < span class = cF0 > ) ;
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< a name = " l193 " > < / a >
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< a name = " l194 " > < / a > res = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF7 > ) < / span > < span class = cF0 > , task ) ;
< a name = " l195 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( res , dc , < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l196 " > < / a > res - & gt ; win_task = res - & gt ; mem_task = task ;
< a name = " l197 " > < / a > res - & gt ; r = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( < / span > < span class = cFE > 16 < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > I64 < / span > < span class = cF7 > ) < / span > < span class = cF0 > , task ) ;
< a name = " l198 " > < / a > < / span > < span class = cF5 > DCReset < / span > < span class = cF0 > ( res ) ;
< a name = " l199 " > < / a > res - & gt ; flags | = < / span > < span class = cF3 > DCF_ALIAS < / span > < span class = cF0 > ;
< a name = " l200 " > < / a > res - & gt ; alias = dc ;
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< a name = " l201 " > < / a >
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< a name = " l202 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l203 " > < / a > }
< a name = " l204 " > < / a >
< a name = " l205 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * < / span > < span class = cF5 > DCNew < / span > < span class = cF0 > ( < / span > < span class = cF9 > I64 < / span > < span class = cF0 > width , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > height , < / span > < span class = cF9 > CTask < / span > < span class = cF0 > * task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF1 > Bool < / span > < span class = cF0 > null_bitmap = < / span > < span class = cF3 > FALSE < / span > < span class = cF0 > )
< a name = " l206 " > < / a > { < / span > < span class = cF2 > //Create new width x height device context.</span><span class=cF0>
< a name = " l207 " > < / a > < / span > < span class = cF2 > //Internally only allows widths which are divisible by 8.</span><span class=cF0>
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< a name = " l208 " > < / a > < / span > < span class = cF2 > //Don't forget these </span><span class=cF9><u>sizeof(CDC)</u></span><span class=cF2>.</span><span class=cF0>
< a name = " l209 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * res ;
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< a name = " l210 " > < / a >
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< a name = " l211 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! task )
< a name = " l212 " > < / a > task = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > ;
< a name = " l213 " > < / a > res = < / span > < span class = cF5 > CAlloc < / span > < span class = cF0 > ( < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF7 > ) < / span > < span class = cF0 > , task ) ;
< a name = " l214 " > < / a > res - & gt ; win_task = task ;
< a name = " l215 " > < / a > res - & gt ; mem_task = task ;
< a name = " l216 " > < / a > res - & gt ; width = width ;
< a name = " l217 " > < / a > res - & gt ; width_internal = ( width + < / span > < span class = cFE > 7 < / span > < span class = cF0 > ) & amp ; ~ < / span > < span class = cFE > 7 < / span > < span class = cF0 > ;
< a name = " l218 " > < / a > res - & gt ; height = height ;
< a name = " l219 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( null_bitmap )
< a name = " l220 " > < / a > res - & gt ; flags | = < / span > < span class = cF3 > DCF_DONT_DRAW < / span > < span class = cF0 > ;
< a name = " l221 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l222 " > < / a > res - & gt ; body = < / span > < span class = cF5 > CAlloc < / span > < span class = cF0 > ( res - & gt ; width_internal * res - & gt ; height , task ) ;
< a name = " l223 " > < / a > res - & gt ; r = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( < / span > < span class = cFE > 16 < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > I64 < / span > < span class = cF7 > ) < / span > < span class = cF0 > , task ) ;
< a name = " l224 " > < / a > < / span > < span class = cF5 > DCReset < / span > < span class = cF0 > ( res ) ;
< a name = " l225 " > < / a > res - & gt ; dc_signature = < / span > < span class = cF3 > DCS_SIGNATURE_VAL < / span > < span class = cF0 > ;
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< a name = " l226 " > < / a >
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< a name = " l227 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l228 " > < / a > }
< a name = " l229 " > < / a >
< a name = " l230 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCDel < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc )
< a name = " l231 " > < / a > { < / span > < span class = cF2 > //Free dc, image body, rot mat and depth buf.</span><span class=cF0>
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< a name = " l232 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l233 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > ;
< a name = " l234 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( dc - & gt ; dc_signature ! = < / span > < span class = cF3 > DCS_SIGNATURE_VAL < / span > < span class = cF0 > )
< a name = " l235 " > < / a > < / span > < span class = cF5 > throw < / span > < span class = cF0 > ( < / span > < span class = cF6 > ' Graphics ' < / span > < span class = cF0 > ) ;
< a name = " l236 " > < / a > dc - & gt ; dc_signature = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l237 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( dc - & gt ; r ) ;
< a name = " l238 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! < / span > < span class = cF7 > ( < / span > < span class = cF0 > dc - & gt ; flags & amp ; < / span > < span class = cF3 > DCF_ALIAS < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l239 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( dc - & gt ; body ) ;
< a name = " l240 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( dc - & gt ; depth_buf ) ;
< a name = " l241 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( dc ) ;
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< a name = " l242 " > < / a > }
< a name = " l243 " > < / a >
< a name = " l244 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > < / span > < span class = cF5 > DCSize < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc )
< a name = " l245 " > < / a > { < / span > < span class = cF2 > //Mem size of header, image body and depth buffer.</span><span class=cF0>
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< a name = " l246 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( dc )
< a name = " l247 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF5 > MSize2 < / span > < span class = cF0 > ( dc ) + < / span > < span class = cF5 > MSize2 < / span > < span class = cF0 > ( dc - & gt ; body ) + < / span > < span class = cF5 > MSize2 < / span > < span class = cF0 > ( dc - & gt ; depth_buf ) ;
< a name = " l248 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l249 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
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< a name = " l250 " > < / a > }
< a name = " l251 " > < / a >
< a name = " l252 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I32 < / span > < span class = cF0 > * < / span > < span class = cF5 > DCDepthBufReset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc )
< a name = " l253 " > < / a > { < / span > < span class = cF2 > //Reset device context depth buf to far away.</span><span class=cF0>
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< a name = " l254 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( dc - & gt ; depth_buf )
< a name = " l255 " > < / a > < / span > < span class = cF5 > MemSetU32 < / span > < span class = cF0 > ( dc - & gt ; depth_buf , < / span > < span class = cF3 > I32_MAX < / span > < span class = cF0 > , dc - & gt ; width_internal * dc - & gt ; height ) ;
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< a name = " l256 " > < / a >
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< a name = " l257 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > dc - & gt ; depth_buf ;
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< a name = " l258 " > < / a > }
< a name = " l259 " > < / a >
< a name = " l260 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I32 < / span > < span class = cF0 > * < / span > < span class = cF5 > DCDepthBufAlloc < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc )
< a name = " l261 " > < / a > { < / span > < span class = cF2 > //Alloc a 32-bit depth buffer for device context.</span><span class=cF0>
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< a name = " l262 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( dc - & gt ; depth_buf ) ;
< a name = " l263 " > < / a > dc - & gt ; depth_buf = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( dc - & gt ; width_internal * dc - & gt ; height * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > I32 < / span > < span class = cF7 > ) < / span > < span class = cF0 > , dc - & gt ; mem_task ) ;
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< a name = " l264 " > < / a >
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< a name = " l265 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF5 > DCDepthBufReset < / span > < span class = cF0 > ( dc ) ;
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< a name = " l266 " > < / a > }
< a name = " l267 " > < / a >
< a name = " l268 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * < / span > < span class = cF5 > DCCopy < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc , < / span > < span class = cF9 > CTask < / span > < span class = cF0 > * task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l269 " > < / a > { < / span > < span class = cF2 > //Alloc copy of dc, including image body, rot mat and depth buf.</span><span class=cF0>
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< a name = " l270 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * res ;
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< a name = " l271 " > < / a >
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< a name = " l272 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! dc )
< a name = " l273 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > < / span > < span class = cF3 > NULL < / span > < span class = cF0 > ;
< a name = " l274 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( dc - & gt ; dc_signature ! = < / span > < span class = cF3 > DCS_SIGNATURE_VAL < / span > < span class = cF0 > )
< a name = " l275 " > < / a > < / span > < span class = cF5 > throw < / span > < span class = cF0 > ( < / span > < span class = cF6 > ' Graphics ' < / span > < span class = cF0 > ) ;
< a name = " l276 " > < / a > res = < / span > < span class = cF5 > MAllocIdent < / span > < span class = cF0 > ( dc , task ) ;
< a name = " l277 " > < / a > < / span > < span class = cF5 > DCMat4x4Set < / span > < span class = cF0 > ( res , < / span > < span class = cF5 > Mat4x4New < / span > < span class = cF7 > ( < / span > < span class = cF0 > dc - & gt ; r , task < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l278 " > < / a > res - & gt ; mem_task = task ;
< a name = " l279 " > < / a > res - & gt ; body = < / span > < span class = cF5 > MAllocIdent < / span > < span class = cF0 > ( dc - & gt ; body , task ) ;
< a name = " l280 " > < / a > res - & gt ; depth_buf = < / span > < span class = cF5 > MAllocIdent < / span > < span class = cF0 > ( dc - & gt ; depth_buf , task ) ;
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< a name = " l281 " > < / a >
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< a name = " l282 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l283 " > < / a > }
< a name = " l284 " > < / a >
< a name = " l285 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DCMono < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > quest = < / span > < span class = cF3 > TRANSPARENT < / span > < span class = cF0 > , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > true_color = < / span > < span class = cFE > 0 < / span > < span class = cF0 > , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > false_color = < / span > < span class = cF3 > COLOR_MONO < / span > < span class = cF0 > )
< a name = " l286 " > < / a > { < / span > < span class = cF2 > //Set entire device context to one of two colors.</span><span class=cF0>
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< a name = " l287 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > i ;
< a name = " l288 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * dst ;
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< a name = " l289 " > < / a >
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< a name = " l290 " > < / a > dst = dc - & gt ; body ;
< a name = " l291 " > < / a > i = dc - & gt ; width_internal * dc - & gt ; height ;
< a name = " l292 " > < / a > < / span > < span class = cF1 > while < / span > < span class = cF0 > ( i - - )
< a name = " l293 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( * dst = = quest )
< a name = " l294 " > < / a > * dst + + = true_color ;
< a name = " l295 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l296 " > < / a > * dst + + = false_color ;
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< a name = " l297 " > < / a > }
< a name = " l298 " > < / a >
< a name = " l299 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > < / span > < span class = cF5 > DCColorChange < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > src_color , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > dst_color = < / span > < span class = cF3 > TRANSPARENT < / span > < span class = cF0 > )
< a name = " l300 " > < / a > { < / span > < span class = cF2 > //Find and replace src color with dst in device context.</span><span class=cF0>
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< a name = " l301 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > i , res = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
< a name = " l302 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * dst ;
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< a name = " l303 " > < / a >
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< a name = " l304 " > < / a > dst = dc - & gt ; body ;
< a name = " l305 " > < / a > i = dc - & gt ; width_internal * dc - & gt ; height ;
< a name = " l306 " > < / a > < / span > < span class = cF1 > while < / span > < span class = cF0 > ( i - - )
< a name = " l307 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( * dst = = src_color )
< a name = " l308 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l309 " > < / a > * dst + + = dst_color ;
< a name = " l310 " > < / a > res + + ;
< a name = " l311 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l312 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l313 " > < / a > dst + + ;
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< a name = " l314 " > < / a >
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< a name = " l315 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l316 " > < / a > }
< a name = " l317 " > < / a >
< a name = " l318 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * < / span > < span class = cF5 > DCSave < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * _size = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > dcsf_flags = < / span > < span class = cF3 > NONE < / span > < span class = cF0 > )
< a name = " l319 " > < / a > { < / span > < span class = cF2 > //Stores device context to mem, perhaps, with compression.</span><span class=cF0>
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< a name = " l320 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * res , * ptr , * body ;
< a name = " l321 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > body_size = dc - & gt ; width_internal * dc - & gt ; height , total_size , flags ;
< a name = " l322 " > < / a > < / span > < span class = cF9 > CBGR48 < / span > < span class = cF0 > palette [ < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > ] ;
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< a name = " l323 " > < / a >
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< a name = " l324 " > < / a > body = dc - & gt ; body ;
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< a name = " l325 " > < / a >
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< a name = " l326 " > < / a > total_size = < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF0 > ) - < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF0 > ) + body_size ;
< a name = " l327 " > < / a > flags = < / span > < span class = cFE > 0 < / span > < span class = cF0 > ;
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< a name = " l328 " > < / a >
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< a name = " l329 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( dcsf_flags & amp ; < / span > < span class = cF3 > DCSF_PALETTE_GET < / span > < span class = cF0 > )
< a name = " l330 " > < / a > < / span > < span class = cF5 > GrPaletteGet < / span > < span class = cF0 > ( palette ) ;
< a name = " l331 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l332 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( palette , & amp ; dc - & gt ; palette , < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l333 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( < / span > < span class = cF5 > MemCompare < / span > < span class = cF7 > ( < / span > < span class = cF0 > palette , < / span > < span class = cFB > gr_palette_std < / span > < span class = cF0 > , < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF0 > ) < / span > < span class = cF7 > ) < / span > < span class = cF0 > )
< a name = " l334 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l335 " > < / a > flags | = < / span > < span class = cF3 > DCF_PALETTE < / span > < span class = cF0 > ;
< a name = " l336 " > < / a > total_size + = < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF0 > ) ;
< a name = " l337 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
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< a name = " l338 " > < / a >
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< a name = " l339 " > < / a > ptr = res = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( total_size ) ;
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< a name = " l340 " > < / a >
< a name = " l341 " > < / a > # < / span > < span class = cF1 > assert < / span > < span class = cF0 > ! < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF0 > )
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< a name = " l342 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( ptr , & amp ; dc - & gt ; < / span > < span class = cF1 > start < / span > < span class = cF0 > , < / span > < span class = cF1 > offset < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF7 > ) < / span > < span class = cF0 > - < / span > < span class = cF1 > offset < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l343 " > < / a > ptr ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * ) - & gt ; flags = flags ;
< a name = " l344 " > < / a > ptr + = < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF0 > ) - < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF0 > ) ;
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< a name = " l345 " > < / a >
< a name = " l346 " > < / a > # < / span > < span class = cF1 > assert < / span > < span class = cF0 > < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF0 > ) = = < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . palette )
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< a name = " l347 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( flags & amp ; < / span > < span class = cF3 > DCF_PALETTE < / span > < span class = cF0 > )
< a name = " l348 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l349 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( ptr , palette , < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l350 " > < / a > ptr + = < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF0 > ) ;
< a name = " l351 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
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< a name = " l352 " > < / a >
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< a name = " l353 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( ptr , body , body_size ) ;
< a name = " l354 " > < / a > ptr + = body_size ;
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< a name = " l355 " > < / a >
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< a name = " l356 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( _size )
< a name = " l357 " > < / a > * _size = total_size ;
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< a name = " l358 " > < / a >
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< a name = " l359 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l360 " > < / a > }
< a name = " l361 " > < / a >
< a name = " l362 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * < / span > < span class = cF5 > DCLoad < / span > < span class = cF0 > ( < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * src , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > * _size = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF9 > CTask < / span > < span class = cF0 > * task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l363 " > < / a > { < / span > < span class = cF2 > //Loads device context from mem.</span><span class=cF0>
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< a name = " l364 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * res ;
< a name = " l365 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * ptr = src ;
< a name = " l366 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > body_size ;
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< a name = " l367 " > < / a >
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< a name = " l368 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( ! task )
< a name = " l369 " > < / a > task = < / span > < span class = cF5 > Fs < / span > < span class = cF0 > ;
< a name = " l370 " > < / a > res = < / span > < span class = cF5 > CAlloc < / span > < span class = cF0 > ( < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF7 > ) < / span > < span class = cF0 > , task ) ;
< a name = " l371 " > < / a > res - & gt ; win_task = task ;
< a name = " l372 " > < / a > res - & gt ; mem_task = task ;
< a name = " l373 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( & amp ; res - & gt ; < / span > < span class = cF1 > start < / span > < span class = cF0 > , ptr , < / span > < span class = cF1 > offset < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF7 > ) < / span > < span class = cF0 > - < / span > < span class = cF1 > offset < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l374 " > < / a > ptr + = < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF0 > ) - < / span > < span class = cF1 > offset < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF0 > ) ;
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< a name = " l375 " > < / a >
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< a name = " l376 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( res - & gt ; flags & amp ; < / span > < span class = cF3 > DCF_PALETTE < / span > < span class = cF0 > )
< a name = " l377 " > < / a > < / span > < span class = cF7 > { < / span > < span class = cF0 >
< a name = " l378 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( & amp ; res - & gt ; palette , ptr , < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
< a name = " l379 " > < / a > ptr + = < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF0 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF0 > ) ;
< a name = " l380 " > < / a > < / span > < span class = cF7 > } < / span > < span class = cF0 >
< a name = " l381 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l382 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( & amp ; res - & gt ; palette , < / span > < span class = cFB > gr_palette_std < / span > < span class = cF0 > , < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF7 > ) < / span > < span class = cF0 > ) ;
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< a name = " l383 " > < / a >
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< a name = " l384 " > < / a > body_size = res - & gt ; width_internal * res - & gt ; height ;
< a name = " l385 " > < / a > res - & gt ; body = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( body_size , task ) ;
< a name = " l386 " > < / a > < / span > < span class = cF5 > MemCopy < / span > < span class = cF0 > ( res - & gt ; body , ptr , body_size ) ;
< a name = " l387 " > < / a > ptr + = body_size ;
< a name = " l388 " > < / a > res - & gt ; thick = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l389 " > < / a > res - & gt ; r = < / span > < span class = cF5 > Mat4x4IdentNew < / span > < span class = cF0 > ( task ) ;
< a name = " l390 " > < / a > res - & gt ; r_norm . u32 [ < / span > < span class = cFE > 1 < / span > < span class = cF0 > ] = < / span > < span class = cFE > 1 < / span > < span class = cF0 > ;
< a name = " l391 " > < / a > res - & gt ; dc_signature = < / span > < span class = cF3 > DCS_SIGNATURE_VAL < / span > < span class = cF0 > ;
< a name = " l392 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( _size )
< a name = " l393 " > < / a > * _size = ptr - src ;
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< a name = " l394 " > < / a >
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< a name = " l395 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > res ;
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< a name = " l396 " > < / a > }
< a name = " l397 " > < / a >
< a name = " l398 " > < / a > # < / span > < span class = cF1 > help_index < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; Graphics / GR Files & quot ; < / span > < span class = cF0 >
< a name = " l399 " > < / a > # < / span > < span class = cF1 > help_file < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; : : / Doc / GRFiles & quot ; < / span > < span class = cF0 >
< a name = " l400 " > < / a > # < / span > < span class = cF1 > help_index < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; Graphics / Device Contexts ; Graphics / GR Files & quot ; < / span > < span class = cF0 >
< a name = " l401 " > < / a >
< a name = " l402 " > < / a > # < / span > < span class = cF1 > define < / span > < span class = cF0 > < / span > < span class = cF3 > GR_FILE_MAX < / span > < span class = cF0 > ( < / span > < span class = cF1 > offset < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > end < / span > < span class = cF7 > ) < / span > < span class = cF0 > - < / span > < span class = cF1 > offset < / span > < span class = cF7 > ( < / span > < span class = cF9 > CDC < / span > < span class = cF0 > . < / span > < span class = cF1 > start < / span > < span class = cF7 > ) < / span > < span class = cF0 > + < / span > < span class = cF3 > COLORS_NUM < / span > < span class = cF0 > * < / span > < span class = cF1 > sizeof < / span > < span class = cF7 > ( < / span > < span class = cF9 > CBGR48 < / span > < span class = cF7 > ) < / span > < span class = cF0 > + < / span > < span class = cF3 > GR_WIDTH < / span > < span class = cF0 > * < / span > < span class = cF3 > GR_HEIGHT < / span > < span class = cF0 > )
< a name = " l403 " > < / a >
< a name = " l404 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > < / span > < span class = cF5 > GRWrite < / span > < span class = cF0 > ( < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * filename , < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc , < / span > < span class = cF9 > I64 < / span > < span class = cF0 > dcsf_flags = < / span > < span class = cF3 > NONE < / span > < span class = cF0 > )
< a name = " l405 " > < / a > { < / span > < span class = cF2 > //ZealOS GR File.</span><span class=cF0>
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< a name = " l406 " > < / a > < / span > < span class = cF9 > I64 < / span > < span class = cF0 > size ;
< a name = " l407 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * st = < / span > < span class = cF5 > ExtDefault < / span > < span class = cF0 > ( filename , < / span > < span class = cF6 > & quot ; GR & quot ; < / span > < span class = cF0 > ) , * src = < / span > < span class = cF5 > DCSave < / span > < span class = cF0 > ( dc , & amp ; size , dcsf_flags ) ;
< a name = " l408 " > < / a > < / span > < span class = cF5 > FileWrite < / span > < span class = cF0 > ( st , src , size ) ;
< a name = " l409 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( st ) ;
< a name = " l410 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( src ) ;
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< a name = " l411 " > < / a >
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< a name = " l412 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > size ;
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< a name = " l413 " > < / a > }
< a name = " l414 " > < / a >
< a name = " l415 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * < / span > < span class = cF5 > GRRead < / span > < span class = cF0 > ( < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * filename , < / span > < span class = cF9 > CTask < / span > < span class = cF0 > * task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l416 " > < / a > { < / span > < span class = cF2 > //ZealOS GR File.</span><span class=cF0>
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< a name = " l417 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > ;
< a name = " l418 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * st = < / span > < span class = cF5 > ExtDefault < / span > < span class = cF0 > ( filename , < / span > < span class = cF6 > & quot ; GR & quot ; < / span > < span class = cF0 > ) , * src = < / span > < span class = cF5 > FileRead < / span > < span class = cF0 > ( st ) ;
< a name = " l419 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( src )
< a name = " l420 " > < / a > dc = < / span > < span class = cF5 > DCLoad < / span > < span class = cF0 > ( src , , task ) ;
< a name = " l421 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( src ) ;
< a name = " l422 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( st ) ;
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< a name = " l423 " > < / a >
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< a name = " l424 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > dc ;
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< a name = " l425 " > < / a > }
< a name = " l426 " > < / a >
< a name = " l427 " > < / a > # < / span > < span class = cF1 > help_index < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; Graphics / Sprite ; Graphics / GR Files ; DolDoc / Output ; StdOut / DolDoc & quot ; < / span > < span class = cF0 >
< a name = " l428 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF1 > U0 < / span > < span class = cF0 > < / span > < span class = cF5 > DocGR < / span > < span class = cF0 > ( < / span > < span class = cF9 > CDoc < / span > < span class = cF0 > * doc = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > , < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * filename )
< a name = " l429 " > < / a > { < / span > < span class = cF2 > //Put a GR file into a document as asprite.</span><span class=cF0>
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< a name = " l430 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc = < / span > < span class = cF5 > GRRead < / span > < span class = cF0 > ( filename ) ;
< a name = " l431 " > < / a > < / span > < span class = cF9 > CSprite < / span > < span class = cF0 > * elems = < / span > < span class = cF5 > DC2Sprite < / span > < span class = cF0 > ( dc ) ;
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< a name = " l432 " > < / a >
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< a name = " l433 " > < / a > < / span > < span class = cF5 > DocSprite < / span > < span class = cF0 > ( doc , elems ) ;
< a name = " l434 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( elems ) ;
< a name = " l435 " > < / a > < / span > < span class = cF5 > DCDel < / span > < span class = cF0 > ( dc ) ;
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< a name = " l436 " > < / a > }
< a name = " l437 " > < / a >
< a name = " l438 " > < / a > # < / span > < span class = cF1 > help_index < / span > < span class = cF0 > < / span > < span class = cF6 > & quot ; Graphics / Device Contexts ; Graphics / Screen & quot ; < / span > < span class = cF0 >
< a name = " l439 " > < / a > < / span > < span class = cF1 > public < / span > < span class = cF0 > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * < / span > < span class = cF5 > DCScreenCapture < / span > < span class = cF0 > ( < / span > < span class = cF1 > Bool < / span > < span class = cF0 > include_zoom = < / span > < span class = cF3 > TRUE < / span > < span class = cF0 > , < / span > < span class = cF9 > CTask < / span > < span class = cF0 > * task = < / span > < span class = cF3 > NULL < / span > < span class = cF0 > )
< a name = " l440 " > < / a > { < / span > < span class = cF2 > //Capture screen to a device context.</span><span class=cF0>
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< a name = " l441 " > < / a > < / span > < span class = cF9 > CDC < / span > < span class = cF0 > * dc ;
< a name = " l442 " > < / a > < / span > < span class = cF1 > U8 < / span > < span class = cF0 > * dst ;
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< a name = " l443 " > < / a >
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< a name = " l444 " > < / a > < / span > < span class = cF5 > Refresh < / span > < span class = cF0 > ( < / span > < span class = cFE > 0 < / span > < span class = cF0 > , < / span > < span class = cF3 > FALSE < / span > < span class = cF0 > ) ;
< a name = " l445 " > < / a > < / span > < span class = cF1 > if < / span > < span class = cF0 > ( include_zoom )
< a name = " l446 " > < / a > dc = < / span > < span class = cF5 > DCCopy < / span > < span class = cF0 > ( < / span > < span class = cFB > gr < / span > < span class = cF0 > . screen_image , task ) ;
< a name = " l447 " > < / a > < / span > < span class = cF1 > else < / span > < span class = cF0 >
< a name = " l448 " > < / a > dc = < / span > < span class = cF5 > DCCopy < / span > < span class = cF0 > ( < / span > < span class = cFB > gr < / span > < span class = cF0 > . dc1 , task ) ;
< a name = " l449 " > < / a > dc - & gt ; flags & amp ; = ~ < / span > < span class = cF3 > DCF_SCREEN_BITMAP < / span > < span class = cF0 > ;
< a name = " l450 " > < / a > dst = < / span > < span class = cF5 > MAlloc < / span > < span class = cF0 > ( dc - & gt ; width_internal * dc - & gt ; height , task ) ;
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< a name = " l451 " > < / a > < / span > < span class = cF2 > //Pick background color that never occurs. COLOR_INVALID</span><span class=cF0>
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< a name = " l452 " > < / a > < / span > < span class = cF5 > GrBitMap4ToBitMap8 < / span > < span class = cF0 > ( dst , dc - & gt ; body , < / span > < span class = cF7 > ( < / span > < span class = cF0 > dc - & gt ; width_internal * dc - & gt ; height < / span > < span class = cF7 > ) < / span > < span class = cF0 > & gt ; & gt ; < / span > < span class = cFE > 1 < / span > < span class = cF0 > , < / span > < span class = cF3 > COLOR_INVALID < / span > < span class = cF0 > ) ;
< a name = " l453 " > < / a > < / span > < span class = cF5 > Free < / span > < span class = cF0 > ( dc - & gt ; body ) ;
< a name = " l454 " > < / a > dc - & gt ; body = dst ;
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< a name = " l455 " > < / a >
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< a name = " l456 " > < / a > < / span > < span class = cF1 > return < / span > < span class = cF0 > dc ;
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< a name = " l457 " > < / a > }
< / span > < / pre > < / body >
< / html >
