ZealOS/src/Demo/Graphics/WinZBuf.ZC

U0 DrawIt(CTask *,CDC *dc)
{
	I64  i, j;
	U16 *ptr = gr.win_z_buf;
	dc->color = BLACK;
	GrPrint(dc, 0, 0, "Move the windows around and watch.");
	for (i = 0; i < TEXT_ROWS; i++)
		for (j = 0; j <TEXT_COLS; j++)
		{
			dc->color = *ptr++ & 15;
			GrPlot(dc, j, i + FONT_HEIGHT);
		}
}

U0 ScrollBars()
{
	SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
	DocClear;
	Fs->draw_it = &DrawIt;
	CharGet(, FALSE);
	SettingsPop;
}

ScrollBars;