#define NDEBUG
#include <debug.h>
-BOOL APIENTRY
-EngTransparentBlt(SURFOBJ *psoDest,
- SURFOBJ *psoSource,
- CLIPOBJ *Clip,
- XLATEOBJ *ColorTranslation,
- PRECTL DestRect,
- PRECTL SourceRect,
- ULONG iTransColor,
- ULONG Reserved)
+BOOL
+APIENTRY
+EngTransparentBlt(
+ SURFOBJ *psoDest,
+ SURFOBJ *psoSource,
+ CLIPOBJ *Clip,
+ XLATEOBJ *ColorTranslation,
+ PRECTL DestRect,
+ PRECTL SourceRect,
+ ULONG iTransColor,
+ ULONG Reserved)
{
- BOOL Ret = TRUE;
- BYTE ClippingType;
- INTENG_ENTER_LEAVE EnterLeaveSource, EnterLeaveDest;
- SURFOBJ *InputObj, *OutputObj;
- RECTL OutputRect, InputRect;
- POINTL Translate;
-
- LONG DstHeight;
- LONG DstWidth;
- LONG SrcHeight;
- LONG SrcWidth;
-
- InputRect = *SourceRect;
-
- if(!IntEngEnter(&EnterLeaveSource, psoSource, &InputRect, TRUE, &Translate, &InputObj))
- {
- return FALSE;
- }
- InputRect.left += Translate.x;
- InputRect.right += Translate.x;
- InputRect.top += Translate.y;
- InputRect.bottom += Translate.y;
-
- OutputRect = *DestRect;
- if (OutputRect.right < OutputRect.left)
- {
- OutputRect.left = DestRect->right;
- OutputRect.right = DestRect->left;
- }
- if (OutputRect.bottom < OutputRect.top)
- {
- OutputRect.top = DestRect->bottom;
- OutputRect.bottom = DestRect->top;
- }
-
- if(Clip)
- {
- if(OutputRect.left < Clip->rclBounds.left)
+ BOOL Ret = TRUE;
+ BYTE ClippingType;
+ INTENG_ENTER_LEAVE EnterLeaveSource, EnterLeaveDest;
+ SURFOBJ *InputObj, *OutputObj;
+ RECTL OutputRect, InputRect;
+ POINTL Translate;
+
+ LONG DstHeight;
+ LONG DstWidth;
+ LONG SrcHeight;
+ LONG SrcWidth;
+
+ InputRect = *SourceRect;
+
+ if (!IntEngEnter(&EnterLeaveSource, psoSource, &InputRect, TRUE, &Translate, &InputObj))
{
- InputRect.left += Clip->rclBounds.left - OutputRect.left;
- OutputRect.left = Clip->rclBounds.left;
+ return FALSE;
}
- if(Clip->rclBounds.right < OutputRect.right)
+ InputRect.left += Translate.x;
+ InputRect.right += Translate.x;
+ InputRect.top += Translate.y;
+ InputRect.bottom += Translate.y;
+
+ OutputRect = *DestRect;
+ if (OutputRect.right < OutputRect.left)
{
- InputRect.right -= OutputRect.right - Clip->rclBounds.right;
- OutputRect.right = Clip->rclBounds.right;
+ OutputRect.left = DestRect->right;
+ OutputRect.right = DestRect->left;
}
- if(OutputRect.top < Clip->rclBounds.top)
+ if (OutputRect.bottom < OutputRect.top)
{
- InputRect.top += Clip->rclBounds.top - OutputRect.top;
- OutputRect.top = Clip->rclBounds.top;
+ OutputRect.top = DestRect->bottom;
+ OutputRect.bottom = DestRect->top;
}
- if(Clip->rclBounds.bottom < OutputRect.bottom)
+
+ if (Clip)
{
- InputRect.bottom -= OutputRect.bottom - Clip->rclBounds.bottom;
- OutputRect.bottom = Clip->rclBounds.bottom;
+ if (OutputRect.left < Clip->rclBounds.left)
+ {
+ InputRect.left += Clip->rclBounds.left - OutputRect.left;
+ OutputRect.left = Clip->rclBounds.left;
+ }
+ if (Clip->rclBounds.right < OutputRect.right)
+ {
+ InputRect.right -= OutputRect.right - Clip->rclBounds.right;
+ OutputRect.right = Clip->rclBounds.right;
+ }
+ if (OutputRect.top < Clip->rclBounds.top)
+ {
+ InputRect.top += Clip->rclBounds.top - OutputRect.top;
+ OutputRect.top = Clip->rclBounds.top;
+ }
+ if (Clip->rclBounds.bottom < OutputRect.bottom)
+ {
+ InputRect.bottom -= OutputRect.bottom - Clip->rclBounds.bottom;
+ OutputRect.bottom = Clip->rclBounds.bottom;
+ }
}
- }
-
- /* Check for degenerate case: if height or width of OutputRect is 0 pixels there's
- nothing to do */
- if(OutputRect.right <= OutputRect.left || OutputRect.bottom <= OutputRect.top)
- {
- IntEngLeave(&EnterLeaveSource);
- return TRUE;
- }
- if(!IntEngEnter(&EnterLeaveDest, psoDest, &OutputRect, FALSE, &Translate, &OutputObj))
- {
- IntEngLeave(&EnterLeaveSource);
- return FALSE;
- }
-
- OutputRect.left = DestRect->left + Translate.x;
- OutputRect.right = DestRect->right + Translate.x;
- OutputRect.top = DestRect->top + Translate.y;
- OutputRect.bottom = DestRect->bottom + Translate.y;
-
- ClippingType = (Clip ? Clip->iDComplexity : DC_TRIVIAL);
-
- DstHeight = OutputRect.bottom - OutputRect.top;
- DstWidth = OutputRect.right - OutputRect.left;
- SrcHeight = InputRect.bottom - InputRect.top;
- SrcWidth = InputRect.right - InputRect.left;
- switch(ClippingType)
- {
- case DC_TRIVIAL:
+ /* Check for degenerate case: if height or width of OutputRect is 0 pixels there's
+ nothing to do */
+ if (OutputRect.right <= OutputRect.left || OutputRect.bottom <= OutputRect.top)
{
- Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
- OutputObj, InputObj, &OutputRect, &InputRect, ColorTranslation, iTransColor);
- break;
+ IntEngLeave(&EnterLeaveSource);
+ return TRUE;
}
- case DC_RECT:
+
+ if (!IntEngEnter(&EnterLeaveDest, psoDest, &OutputRect, FALSE, &Translate, &OutputObj))
{
- RECTL ClipRect, CombinedRect;
- RECTL InputToCombinedRect;
-
- ClipRect.left = Clip->rclBounds.left + Translate.x;
- ClipRect.right = Clip->rclBounds.right + Translate.x;
- ClipRect.top = Clip->rclBounds.top + Translate.y;
- ClipRect.bottom = Clip->rclBounds.bottom + Translate.y;
- if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
- {
- InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
- InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
- InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
- InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
- Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
- OutputObj, InputObj, &CombinedRect, &InputToCombinedRect, ColorTranslation, iTransColor);
- }
- break;
+ IntEngLeave(&EnterLeaveSource);
+ return FALSE;
}
- case DC_COMPLEX:
- {
- ULONG Direction, i;
- RECT_ENUM RectEnum;
- BOOL EnumMore;
- if(OutputObj == InputObj)
- {
- if(OutputRect.top < InputRect.top)
+ OutputRect.left = DestRect->left + Translate.x;
+ OutputRect.right = DestRect->right + Translate.x;
+ OutputRect.top = DestRect->top + Translate.y;
+ OutputRect.bottom = DestRect->bottom + Translate.y;
+
+ ClippingType = (Clip ? Clip->iDComplexity : DC_TRIVIAL);
+
+ DstHeight = OutputRect.bottom - OutputRect.top;
+ DstWidth = OutputRect.right - OutputRect.left;
+ SrcHeight = InputRect.bottom - InputRect.top;
+ SrcWidth = InputRect.right - InputRect.left;
+ switch (ClippingType)
+ {
+ case DC_TRIVIAL:
{
- Direction = OutputRect.left < (InputRect.left ? CD_RIGHTDOWN : CD_LEFTDOWN);
+ Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
+ OutputObj, InputObj, &OutputRect, &InputRect, ColorTranslation, iTransColor);
+ break;
}
- else
+ case DC_RECT:
{
- Direction = OutputRect.left < (InputRect.left ? CD_RIGHTUP : CD_LEFTUP);
+ RECTL ClipRect, CombinedRect;
+ RECTL InputToCombinedRect;
+
+ ClipRect.left = Clip->rclBounds.left + Translate.x;
+ ClipRect.right = Clip->rclBounds.right + Translate.x;
+ ClipRect.top = Clip->rclBounds.top + Translate.y;
+ ClipRect.bottom = Clip->rclBounds.bottom + Translate.y;
+ if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
+ {
+ InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
+ InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
+ InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
+ InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
+ Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
+ OutputObj, InputObj, &CombinedRect, &InputToCombinedRect, ColorTranslation, iTransColor);
+ }
+ break;
}
- }
- else
- {
- Direction = CD_ANY;
- }
-
- CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, Direction, 0);
- do
- {
- EnumMore = CLIPOBJ_bEnum(Clip, sizeof(RectEnum), (PVOID)&RectEnum);
- for (i = 0; i < RectEnum.c; i++)
+ case DC_COMPLEX:
{
- RECTL ClipRect, CombinedRect;
- RECTL InputToCombinedRect;
-
- ClipRect.left = RectEnum.arcl[i].left + Translate.x;
- ClipRect.right = RectEnum.arcl[i].right + Translate.x;
- ClipRect.top = RectEnum.arcl[i].top + Translate.y;
- ClipRect.bottom = RectEnum.arcl[i].bottom + Translate.y;
- if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
- {
- InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
- InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
- InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
- InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
+ ULONG Direction, i;
+ RECT_ENUM RectEnum;
+ BOOL EnumMore;
- Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
- OutputObj, InputObj, &CombinedRect, &InputToCombinedRect, ColorTranslation, iTransColor);
- if(!Ret)
+ if (OutputObj == InputObj)
+ {
+ if (OutputRect.top < InputRect.top)
+ {
+ Direction = OutputRect.left < (InputRect.left ? CD_RIGHTDOWN : CD_LEFTDOWN);
+ }
+ else
+ {
+ Direction = OutputRect.left < (InputRect.left ? CD_RIGHTUP : CD_LEFTUP);
+ }
+ }
+ else
+ {
+ Direction = CD_ANY;
+ }
+
+ CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, Direction, 0);
+ do
{
- break;
+ EnumMore = CLIPOBJ_bEnum(Clip, sizeof(RectEnum), (PVOID)&RectEnum);
+ for (i = 0; i < RectEnum.c; i++)
+ {
+ RECTL ClipRect, CombinedRect;
+ RECTL InputToCombinedRect;
+
+ ClipRect.left = RectEnum.arcl[i].left + Translate.x;
+ ClipRect.right = RectEnum.arcl[i].right + Translate.x;
+ ClipRect.top = RectEnum.arcl[i].top + Translate.y;
+ ClipRect.bottom = RectEnum.arcl[i].bottom + Translate.y;
+ if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
+ {
+ InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
+ InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
+ InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
+ InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
+
+ Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
+ OutputObj, InputObj, &CombinedRect, &InputToCombinedRect, ColorTranslation, iTransColor);
+ if (!Ret)
+ {
+ break;
+ }
+ }
+ }
}
- }
+ while (EnumMore && Ret);
+ break;
+ }
+ default:
+ {
+ Ret = FALSE;
+ break;
}
- } while(EnumMore && Ret);
- break;
- }
- default:
- {
- Ret = FALSE;
- break;
}
- }
- IntEngLeave(&EnterLeaveDest);
- IntEngLeave(&EnterLeaveSource);
+ IntEngLeave(&EnterLeaveDest);
+ IntEngLeave(&EnterLeaveSource);
- return Ret;
+ return Ret;
}
-BOOL FASTCALL
-IntEngTransparentBlt(SURFOBJ *psoDest,
- SURFOBJ *psoSource,
- CLIPOBJ *Clip,
- XLATEOBJ *ColorTranslation,
- PRECTL DestRect,
- PRECTL SourceRect,
- ULONG iTransColor,
- ULONG Reserved)
+BOOL
+FASTCALL
+IntEngTransparentBlt(
+ SURFOBJ *psoDest,
+ SURFOBJ *psoSource,
+ CLIPOBJ *Clip,
+ XLATEOBJ *ColorTranslation,
+ PRECTL DestRect,
+ PRECTL SourceRect,
+ ULONG iTransColor,
+ ULONG Reserved)
{
- BOOL Ret;
- RECTL OutputRect, InputClippedRect;
- SURFACE *psurfDest;
- SURFACE *psurfSource;
- RECTL InputRect;
- LONG InputClWidth, InputClHeight, InputWidth, InputHeight;
-
- ASSERT(psoDest);
- ASSERT(psoSource);
- ASSERT(DestRect);
-
- psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
- psurfSource = CONTAINING_RECORD(psoSource, SURFACE, SurfObj);
-
- ASSERT(psurfDest);
- ASSERT(psurfSource);
-
- /* If no clip object is given, use trivial one */
- if (!Clip) Clip = &gxcoTrivial.ClipObj;
-
- InputClippedRect = *DestRect;
- if(InputClippedRect.right < InputClippedRect.left)
- {
- InputClippedRect.left = DestRect->right;
- InputClippedRect.right = DestRect->left;
- }
- if(InputClippedRect.bottom < InputClippedRect.top)
- {
- InputClippedRect.top = DestRect->bottom;
- InputClippedRect.bottom = DestRect->top;
- }
-
- InputRect = *SourceRect;
- /* Clip against the bounds of the clipping region so we won't try to write
- * outside the surface */
- if (Clip->iDComplexity != DC_TRIVIAL)
- {
- if(!RECTL_bIntersectRect(&OutputRect, &InputClippedRect, &Clip->rclBounds))
+ BOOL Ret;
+ RECTL OutputRect, InputClippedRect;
+ SURFACE *psurfDest;
+ SURFACE *psurfSource;
+ RECTL InputRect;
+ LONG InputClWidth, InputClHeight, InputWidth, InputHeight;
+
+ ASSERT(psoDest);
+ ASSERT(psoSource);
+ ASSERT(DestRect);
+
+ psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
+ psurfSource = CONTAINING_RECORD(psoSource, SURFACE, SurfObj);
+
+ ASSERT(psurfDest);
+ ASSERT(psurfSource);
+
+ /* If no clip object is given, use trivial one */
+ if (!Clip) Clip = &gxcoTrivial.ClipObj;
+
+ InputClippedRect = *DestRect;
+ if (InputClippedRect.right < InputClippedRect.left)
+ {
+ InputClippedRect.left = DestRect->right;
+ InputClippedRect.right = DestRect->left;
+ }
+ if (InputClippedRect.bottom < InputClippedRect.top)
{
- return TRUE;
+ InputClippedRect.top = DestRect->bottom;
+ InputClippedRect.bottom = DestRect->top;
}
- /* Update source rect */
- InputClWidth = InputClippedRect.right - InputClippedRect.left;
- InputClHeight = InputClippedRect.bottom - InputClippedRect.top;
- InputWidth = InputRect.right - InputRect.left;
- InputHeight = InputRect.bottom - InputRect.top;
-
- InputRect.left += (InputWidth * (OutputRect.left - InputClippedRect.left)) / InputClWidth;
- InputRect.right -= (InputWidth * (InputClippedRect.right - OutputRect.right)) / InputClWidth;
- InputRect.top += (InputHeight * (OutputRect.top - InputClippedRect.top)) / InputClHeight;
- InputRect.bottom -= (InputHeight * (InputClippedRect.bottom - OutputRect.bottom)) / InputClHeight;
- }
- else
- {
- OutputRect = InputClippedRect;
- }
-
- if(psurfDest->flags & HOOK_TRANSPARENTBLT)
- {
- Ret = GDIDEVFUNCS(psoDest).TransparentBlt(
- psoDest, psoSource, Clip, ColorTranslation, &OutputRect,
- &InputRect, iTransColor, Reserved);
- }
- else
- Ret = FALSE;
-
- if(!Ret)
- {
- Ret = EngTransparentBlt(psoDest, psoSource, Clip, ColorTranslation,
- &OutputRect, &InputRect, iTransColor, Reserved);
- }
-
- return Ret;
+
+ InputRect = *SourceRect;
+ /* Clip against the bounds of the clipping region so we won't try to write
+ * outside the surface */
+ if (Clip->iDComplexity != DC_TRIVIAL)
+ {
+ if (!RECTL_bIntersectRect(&OutputRect, &InputClippedRect, &Clip->rclBounds))
+ {
+ return TRUE;
+ }
+ /* Update source rect */
+ InputClWidth = InputClippedRect.right - InputClippedRect.left;
+ InputClHeight = InputClippedRect.bottom - InputClippedRect.top;
+ InputWidth = InputRect.right - InputRect.left;
+ InputHeight = InputRect.bottom - InputRect.top;
+
+ InputRect.left += (InputWidth * (OutputRect.left - InputClippedRect.left)) / InputClWidth;
+ InputRect.right -= (InputWidth * (InputClippedRect.right - OutputRect.right)) / InputClWidth;
+ InputRect.top += (InputHeight * (OutputRect.top - InputClippedRect.top)) / InputClHeight;
+ InputRect.bottom -= (InputHeight * (InputClippedRect.bottom - OutputRect.bottom)) / InputClHeight;
+ }
+ else
+ {
+ OutputRect = InputClippedRect;
+ }
+
+ if (psurfDest->flags & HOOK_TRANSPARENTBLT)
+ {
+ Ret = GDIDEVFUNCS(psoDest).TransparentBlt(psoDest,
+ psoSource,
+ Clip,
+ ColorTranslation,
+ &OutputRect,
+ &InputRect,
+ iTransColor,
+ Reserved);
+ }
+ else
+ Ret = FALSE;
+
+ if (!Ret)
+ {
+ Ret = EngTransparentBlt(psoDest,
+ psoSource,
+ Clip,
+ ColorTranslation,
+ &OutputRect,
+ &InputRect,
+ iTransColor,
+ Reserved);
+ }
+
+ return Ret;
}
/* EOF */
projects / reactos.git / blobdiff