mirror of
https://github.com/reactos/reactos.git
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114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: GDI Driver Paint Functions
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* FILE: subsys/win32k/eng/paint.c
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* PROGRAMER: Jason Filby
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*/
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#include <win32k.h>
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#define NDEBUG
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#include <debug.h>
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BOOL APIENTRY FillSolid(SURFOBJ *pso, PRECTL pRect, ULONG iColor)
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{
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LONG y;
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ULONG LineWidth;
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ASSERT(pso);
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ASSERT(pRect);
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LineWidth = pRect->right - pRect->left;
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DPRINT(" LineWidth: %lu, top: %ld, bottom: %ld\n", LineWidth, pRect->top, pRect->bottom);
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for (y = pRect->top; y < pRect->bottom; y++)
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{
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DibFunctionsForBitmapFormat[pso->iBitmapFormat].DIB_HLine(
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pso, pRect->left, pRect->right, y, iColor);
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}
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return TRUE;
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}
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BOOL APIENTRY
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EngPaintRgn(SURFOBJ *pso, CLIPOBJ *ClipRegion, ULONG iColor, MIX Mix,
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BRUSHOBJ *BrushObj, POINTL *BrushPoint)
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{
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RECT_ENUM RectEnum;
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BOOL EnumMore;
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ULONG i;
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ASSERT(pso);
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ASSERT(ClipRegion);
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DPRINT("ClipRegion->iMode:%u, ClipRegion->iDComplexity: %u\n Color: %lu", ClipRegion->iMode, ClipRegion->iDComplexity, iColor);
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switch(ClipRegion->iMode) {
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case TC_RECTANGLES:
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/* Rectangular clipping can be handled without enumeration.
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Note that trivial clipping is not possible, since the clipping
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region defines the area to fill */
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if (ClipRegion->iDComplexity == DC_RECT)
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{
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FillSolid(pso, &(ClipRegion->rclBounds), iColor);
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} else {
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/* Enumerate all the rectangles and draw them */
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CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, CD_ANY, 0);
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do {
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EnumMore = CLIPOBJ_bEnum(ClipRegion, sizeof(RectEnum), (PVOID) &RectEnum);
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for (i = 0; i < RectEnum.c; i++) {
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FillSolid(pso, RectEnum.arcl + i, iColor);
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}
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} while (EnumMore);
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}
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return(TRUE);
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default:
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return(FALSE);
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}
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}
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/*
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* @unimplemented
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*/
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BOOL APIENTRY
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EngPaint(IN SURFOBJ *pso,
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IN CLIPOBJ *ClipRegion,
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IN BRUSHOBJ *Brush,
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IN POINTL *BrushOrigin,
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IN MIX Mix)
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{
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BOOLEAN ret;
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// FIXME: We only support a brush's solid color attribute
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ret = EngPaintRgn(pso, ClipRegion, Brush->iSolidColor, Mix, Brush, BrushOrigin);
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return ret;
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}
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BOOL APIENTRY
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IntEngPaint(IN SURFOBJ *pso,
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IN CLIPOBJ *ClipRegion,
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IN BRUSHOBJ *Brush,
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IN POINTL *BrushOrigin,
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IN MIX Mix)
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{
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SURFACE *psurf = CONTAINING_RECORD(pso, SURFACE, SurfObj);
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BOOL ret;
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DPRINT("pso->iType == %u\n", pso->iType);
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/* Is the surface's Paint function hooked? */
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if((pso->iType!=STYPE_BITMAP) && (psurf->flags & HOOK_PAINT))
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{
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// Call the driver's DrvPaint
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ret = GDIDEVFUNCS(pso).Paint(
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pso, ClipRegion, Brush, BrushOrigin, Mix);
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return ret;
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}
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return EngPaint(pso, ClipRegion, Brush, BrushOrigin, Mix );
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}
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/* EOF */
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