/*
+ * ReactOS W32 Subsystem
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/* $Id: bitblt.c,v 1.62 2004/12/14 03:23:14 royce Exp $
+ *
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI BitBlt Functions
* REVISION HISTORY:
* 2/10/1999: Created
*/
+#include <w32k.h>
+
+typedef BOOLEAN STDCALL (*PBLTRECTFUNC)(SURFOBJ* OutputObj,
+ SURFOBJ* InputObj,
+ SURFOBJ* Mask,
+ XLATEOBJ* ColorTranslation,
+ RECTL* OutputRect,
+ POINTL* InputPoint,
+ POINTL* MaskOrigin,
+ BRUSHOBJ* Brush,
+ POINTL* BrushOrigin,
+ ROP4 Rop4);
+typedef BOOLEAN STDCALL (*PSTRETCHRECTFUNC)(SURFOBJ* OutputObj,
+ SURFOBJ* InputObj,
+ SURFOBJ* Mask,
+ CLIPOBJ* ClipRegion,
+ XLATEOBJ* ColorTranslation,
+ RECTL* OutputRect,
+ RECTL* InputRect,
+ POINTL* MaskOrigin,
+ POINTL* BrushOrigin,
+ ULONG Mode);
-#include <ddk/winddi.h>
-#include <ddk/ntddk.h>
-#include <ntos/minmax.h>
-#include "brush.h"
-#include "clip.h"
-#include "objects.h"
-#include "../dib/dib.h"
-#include "misc.h"
-#include <include/mouse.h>
-#include <include/object.h>
-#include <include/dib.h>
-#include <include/surface.h>
-#include <include/copybits.h>
-#include <include/inteng.h>
-
-#define NDEBUG
-#include <win32k/debug1.h>
-
-BOOL EngIntersectRect(PRECTL prcDst, PRECTL prcSrc1, PRECTL prcSrc2)
+BOOL STDCALL EngIntersectRect(RECTL* prcDst, RECTL* prcSrc1, RECTL* prcSrc2)
{
static const RECTL rclEmpty = { 0, 0, 0, 0 };
prcDst->right = min(prcSrc1->right, prcSrc2->right);
if (prcDst->left < prcDst->right)
- {
- prcDst->top = max(prcSrc1->top, prcSrc2->top);
- prcDst->bottom = min(prcSrc1->bottom, prcSrc2->bottom);
+ {
+ prcDst->top = max(prcSrc1->top, prcSrc2->top);
+ prcDst->bottom = min(prcSrc1->bottom, prcSrc2->bottom);
- if (prcDst->top < prcDst->bottom) return(TRUE);
- }
+ if (prcDst->top < prcDst->bottom)
+ {
+ return TRUE;
+ }
+ }
*prcDst = rclEmpty;
- return(FALSE);
+ return FALSE;
}
-static BOOL STDCALL
-BltMask(SURFOBJ *Dest, PSURFGDI DestGDI, SURFOBJ *Mask,
- RECTL *DestRect, POINTL *MaskPoint, BRUSHOBJ* Brush,
- POINTL* BrushPoint)
+static BOOLEAN STDCALL
+BltMask(SURFOBJ* Dest,
+ SURFOBJ* Source,
+ SURFOBJ* Mask,
+ XLATEOBJ* ColorTranslation,
+ RECTL* DestRect,
+ POINTL* SourcePoint,
+ POINTL* MaskPoint,
+ BRUSHOBJ* Brush,
+ POINTL* BrushPoint,
+ ROP4 Rop4)
{
- LONG i, j, dx, dy, c8;
- BYTE *tMask, *lMask;
- static BYTE maskbit[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
+ LONG i, j, dx, dy, c8;
+ BYTE *tMask, *lMask;
+ static BYTE maskbit[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
+ /* Pattern brushes */
+ PGDIBRUSHINST GdiBrush = NULL;
+ HBITMAP PatternSurface = NULL;
+ SURFOBJ *PatternObj = NULL;
+ PBITMAPOBJ PatternBitmap;
+ ULONG PatternWidth = 0, PatternHeight = 0, PatternY = 0;
+
+ if (Mask == NULL)
+ {
+ return FALSE;
+ }
- dx = DestRect->right - DestRect->left;
- dy = DestRect->bottom - DestRect->top;
+ dx = DestRect->right - DestRect->left;
+ dy = DestRect->bottom - DestRect->top;
- if (Mask != NULL)
- {
- tMask = Mask->pvBits;
- for (j = 0; j < dy; j++)
- {
- lMask = tMask;
- c8 = 0;
- for (i = 0; i < dx; i++)
- {
- if (0 != (*lMask & maskbit[c8]))
- {
- DestGDI->DIB_PutPixel(Dest, DestRect->left + i, DestRect->top + j, Brush->iSolidColor);
- }
- c8++;
- if (8 == c8)
- {
- lMask++;
- c8=0;
- }
- }
- tMask += Mask->lDelta;
- }
- return TRUE;
- }
- else
- {
- return FALSE;
- }
+ if (Brush->iSolidColor == 0xFFFFFFFF)
+ {
+ GdiBrush = CONTAINING_RECORD(
+ Brush,
+ GDIBRUSHINST,
+ BrushObject);
+
+ PatternSurface = GdiBrush->GdiBrushObject->hbmPattern;
+ PatternBitmap = BITMAPOBJ_LockBitmap(GdiBrush->GdiBrushObject->hbmPattern);
+ if(PatternBitmap != NULL)
+ {
+ PatternObj = &PatternBitmap->SurfObj;
+ PatternWidth = PatternObj->sizlBitmap.cx;
+ PatternHeight = PatternObj->sizlBitmap.cy;
+ }
+ }
+ else
+ PatternBitmap = NULL;
+
+ tMask = Mask->pvScan0 + SourcePoint->y * Mask->lDelta + (SourcePoint->x >> 3);
+ for (j = 0; j < dy; j++)
+ {
+ lMask = tMask;
+ c8 = SourcePoint->x & 0x07;
+
+ if(PatternBitmap != NULL)
+ PatternY = (DestRect->top + j) % PatternHeight;
+
+ for (i = 0; i < dx; i++)
+ {
+ if (0 != (*lMask & maskbit[c8]))
+ {
+ if (PatternBitmap == NULL)
+ {
+ DibFunctionsForBitmapFormat[Dest->iBitmapFormat].DIB_PutPixel(
+ Dest, DestRect->left + i, DestRect->top + j, Brush->iSolidColor);
+ }
+ else
+ {
+ DibFunctionsForBitmapFormat[Dest->iBitmapFormat].DIB_PutPixel(
+ Dest, DestRect->left + i, DestRect->top + j,
+ DIB_GetSource(PatternObj, (DestRect->left + i) % PatternWidth, PatternY, GdiBrush->XlateObject));
+ }
+ }
+ c8++;
+ if (8 == c8)
+ {
+ lMask++;
+ c8 = 0;
+ }
+ }
+ tMask += Mask->lDelta;
+ }
+
+ if (PatternBitmap != NULL)
+ BITMAPOBJ_UnlockBitmap(PatternSurface);
+
+ return TRUE;
}
-static BOOL STDCALL
-BltPatCopy(SURFOBJ *Dest, PSURFGDI DestGDI, SURFOBJ *Mask,
- RECTL *DestRect, POINTL *MaskPoint, BRUSHOBJ* Brush,
- POINTL* BrushPoint)
+static BOOLEAN STDCALL
+BltPatCopy(SURFOBJ* Dest,
+ SURFOBJ* Source,
+ SURFOBJ* Mask,
+ XLATEOBJ* ColorTranslation,
+ RECTL* DestRect,
+ POINTL* SourcePoint,
+ POINTL* MaskPoint,
+ BRUSHOBJ* Brush,
+ POINTL* BrushPoint,
+ ROP4 Rop4)
{
// These functions are assigned if we're working with a DIB
// The assigned functions depend on the bitsPerPixel of the DIB
LineWidth = DestRect->right - DestRect->left;
for (y = DestRect->top; y < DestRect->bottom; y++)
{
- DestGDI->DIB_HLine(Dest, DestRect->left, DestRect->right, y, Brush->iSolidColor);
+ DibFunctionsForBitmapFormat[Dest->iBitmapFormat].DIB_HLine(
+ Dest, DestRect->left, DestRect->right, y, Brush->iSolidColor);
}
return TRUE;
}
+static BOOLEAN STDCALL
+CallDibBitBlt(SURFOBJ* OutputObj,
+ SURFOBJ* InputObj,
+ SURFOBJ* Mask,
+ XLATEOBJ* ColorTranslation,
+ RECTL* OutputRect,
+ POINTL* InputPoint,
+ POINTL* MaskOrigin,
+ BRUSHOBJ* Brush,
+ POINTL* BrushOrigin,
+ ROP4 Rop4)
+{
+ BLTINFO BltInfo;
+ PGDIBRUSHINST GdiBrush = NULL;
+ BITMAPOBJ *bmPattern;
+ BOOLEAN Result;
+
+ BltInfo.DestSurface = OutputObj;
+ BltInfo.SourceSurface = InputObj;
+ BltInfo.PatternSurface = NULL;
+ BltInfo.XlateSourceToDest = ColorTranslation;
+ BltInfo.DestRect = *OutputRect;
+ BltInfo.SourcePoint = *InputPoint;
+
+ if (Rop4 == SRCCOPY)
+ return DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo);
+
+ BltInfo.XlatePatternToDest = NULL;
+ BltInfo.Brush = Brush;
+ BltInfo.BrushOrigin = *BrushOrigin;
+ BltInfo.Rop4 = Rop4;
+
+ /* Pattern brush */
+ if (ROP_USES_PATTERN(Rop4) && Brush->iSolidColor == 0xFFFFFFFF)
+ {
+ GdiBrush = CONTAINING_RECORD(Brush, GDIBRUSHINST, BrushObject);
+ if((bmPattern = BITMAPOBJ_LockBitmap(GdiBrush->GdiBrushObject->hbmPattern)))
+ {
+ BltInfo.PatternSurface = &bmPattern->SurfObj;
+ }
+ else
+ {
+ /* FIXME - What to do here? */
+ }
+ BltInfo.XlatePatternToDest = GdiBrush->XlateObject;
+ }
+ else
+ {
+ bmPattern = NULL;
+ }
+
+ Result = DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_BitBlt(&BltInfo);
+
+ /* Pattern brush */
+ if (bmPattern != NULL)
+ {
+ BITMAPOBJ_UnlockBitmap(BltInfo.PatternSurface->hsurf);
+ }
+
+ return Result;
+}
+
INT abs(INT nm);
+/*
+ * @implemented
+ */
BOOL STDCALL
EngBitBlt(SURFOBJ *DestObj,
SURFOBJ *SourceObj,
POINTL *MaskOrigin,
BRUSHOBJ *Brush,
POINTL *BrushOrigin,
- ROP4 rop4)
+ ROP4 Rop4)
{
- BOOLEAN ret;
BYTE clippingType;
- RECTL rclTmp;
- POINTL ptlTmp;
+ RECTL CombinedRect;
RECT_ENUM RectEnum;
BOOL EnumMore;
- PSURFGDI OutputGDI, InputGDI;
POINTL InputPoint;
RECTL InputRect;
RECTL OutputRect;
POINTL Translate;
INTENG_ENTER_LEAVE EnterLeaveSource;
INTENG_ENTER_LEAVE EnterLeaveDest;
- PSURFOBJ InputObj;
- PSURFOBJ OutputObj;
+ SURFOBJ* InputObj;
+ SURFOBJ* OutputObj;
+ PBLTRECTFUNC BltRectFunc;
+ BOOLEAN Ret = TRUE;
+ RECTL ClipRect;
+ unsigned i;
+ POINTL Pt;
+ ULONG Direction;
+ BOOL UsesSource;
+ BOOL UsesPattern;
+ POINTL AdjustedBrushOrigin;
- /* Check for degenerate case: if height or width of DestRect is 0 pixels there's
- nothing to do */
- if (DestRect->right == DestRect->left || DestRect->bottom == DestRect->top)
+ UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
+ UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
+ if (ROP_NOOP == Rop4)
{
+ /* Copy destination onto itself: nop */
return TRUE;
}
InputPoint.y = 0;
}
- if (NULL != InputObj)
+ OutputRect = *DestRect;
+ if (NULL != ClipRegion)
{
- InputGDI = (PSURFGDI) AccessInternalObjectFromUserObject(InputObj);
+ if (OutputRect.left < ClipRegion->rclBounds.left)
+ {
+ InputRect.left += ClipRegion->rclBounds.left - OutputRect.left;
+ InputPoint.x += ClipRegion->rclBounds.left - OutputRect.left;
+ OutputRect.left = ClipRegion->rclBounds.left;
+ }
+ if (ClipRegion->rclBounds.right < OutputRect.right)
+ {
+ InputRect.right -= OutputRect.right - ClipRegion->rclBounds.right;
+ OutputRect.right = ClipRegion->rclBounds.right;
+ }
+ if (OutputRect.top < ClipRegion->rclBounds.top)
+ {
+ InputRect.top += ClipRegion->rclBounds.top - OutputRect.top;
+ InputPoint.y += ClipRegion->rclBounds.top - OutputRect.top;
+ OutputRect.top = ClipRegion->rclBounds.top;
+ }
+ if (ClipRegion->rclBounds.bottom < OutputRect.bottom)
+ {
+ InputRect.bottom -= OutputRect.bottom - ClipRegion->rclBounds.bottom;
+ OutputRect.bottom = ClipRegion->rclBounds.bottom;
+ }
}
- OutputRect = *DestRect;
+ /* 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, DestObj, &OutputRect, FALSE, &Translate, &OutputObj))
{
OutputRect.right = DestRect->right + Translate.x;
OutputRect.top = DestRect->top + Translate.y;
OutputRect.bottom = DestRect->bottom + Translate.y;
-
-
- if (NULL != OutputObj)
- {
- OutputGDI = (PSURFGDI)AccessInternalObjectFromUserObject(OutputObj);
- }
-
- /* The code currently assumes there will be a source bitmap. This is not true when, for example, using this function to
- * paint a brush pattern on the destination. */
- if (NULL == InputObj && 0xaacc != rop4 && PATCOPY != rop4)
+
+ if(BrushOrigin)
{
- DbgPrint("EngBitBlt: A source is currently required, even though not all operations require one (FIXME)\n");
- return FALSE;
+ AdjustedBrushOrigin.x = BrushOrigin->x + Translate.x;
+ AdjustedBrushOrigin.y = BrushOrigin->y + Translate.y;
}
+ else
+ AdjustedBrushOrigin = Translate;
// Determine clipping type
if (ClipRegion == (CLIPOBJ *) NULL)
clippingType = ClipRegion->iDComplexity;
}
- if (0xaacc == rop4)
- {
- ret = BltMask(OutputObj, OutputGDI, Mask, &OutputRect, MaskOrigin, Brush, BrushOrigin);
- IntEngLeave(&EnterLeaveDest);
- IntEngLeave(&EnterLeaveSource);
- return ret;
- } else if (PATCOPY == rop4) {
- ret = BltPatCopy(OutputObj, OutputGDI, Mask, &OutputRect, MaskOrigin, Brush, BrushOrigin);
- IntEngLeave(&EnterLeaveDest);
- IntEngLeave(&EnterLeaveSource);
- return ret;
- }
+ if (0xaacc == Rop4)
+ {
+ BltRectFunc = BltMask;
+ }
+ else if (PATCOPY == Rop4)
+ {
+#if 0
+ BltRectFunc = BltPatCopy;
+#else
+ if (Brush->iSolidColor == 0xFFFFFFFF)
+ BltRectFunc = CallDibBitBlt;
+ else
+ BltRectFunc = BltPatCopy;
+#endif
+ }
+ else
+ {
+ BltRectFunc = CallDibBitBlt;
+ }
- // We don't handle color translation just yet [we dont have to.. REMOVE REMOVE REMOVE]
switch(clippingType)
{
case DC_TRIVIAL:
- OutputGDI->DIB_BitBlt(OutputObj, InputObj, OutputGDI, InputGDI, &OutputRect, &InputPoint, ColorTranslation);
+ Ret = (*BltRectFunc)(OutputObj, InputObj, Mask, ColorTranslation,
+ &OutputRect, &InputPoint, MaskOrigin, Brush, &AdjustedBrushOrigin, Rop4);
+ break;
+ case DC_RECT:
+ // Clip the blt to the clip rectangle
+ ClipRect.left = ClipRegion->rclBounds.left + Translate.x;
+ ClipRect.right = ClipRegion->rclBounds.right + Translate.x;
+ ClipRect.top = ClipRegion->rclBounds.top + Translate.y;
+ ClipRect.bottom = ClipRegion->rclBounds.bottom + Translate.y;
+ EngIntersectRect(&CombinedRect, &OutputRect, &ClipRect);
+ Pt.x = InputPoint.x + CombinedRect.left - OutputRect.left;
+ Pt.y = InputPoint.y + CombinedRect.top - OutputRect.top;
+ Ret = (*BltRectFunc)(OutputObj, InputObj, Mask, ColorTranslation,
+ &CombinedRect, &Pt, MaskOrigin, Brush, &AdjustedBrushOrigin, Rop4);
+ break;
+ case DC_COMPLEX:
+ Ret = TRUE;
+ if (OutputObj == InputObj)
+ {
+ if (OutputRect.top < InputPoint.y)
+ {
+ Direction = OutputRect.left < InputPoint.x ? CD_RIGHTDOWN : CD_LEFTDOWN;
+ }
+ else
+ {
+ Direction = OutputRect.left < InputPoint.x ? CD_RIGHTUP : CD_LEFTUP;
+ }
+ }
+ else
+ {
+ Direction = CD_ANY;
+ }
+ CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, Direction, 0);
+ do
+ {
+ EnumMore = CLIPOBJ_bEnum(ClipRegion,(ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
- IntEngLeave(&EnterLeaveDest);
- IntEngLeave(&EnterLeaveSource);
+ for (i = 0; i < RectEnum.c; i++)
+ {
+ 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;
+ EngIntersectRect(&CombinedRect, &OutputRect, &ClipRect);
+ Pt.x = InputPoint.x + CombinedRect.left - OutputRect.left;
+ Pt.y = InputPoint.y + CombinedRect.top - OutputRect.top;
+ Ret = (*BltRectFunc)(OutputObj, InputObj, Mask, ColorTranslation,
+ &CombinedRect, &Pt, MaskOrigin, Brush, &AdjustedBrushOrigin, Rop4) &&
+ Ret;
+ }
+ }
+ while(EnumMore);
+ break;
+ }
- return(TRUE);
- case DC_RECT:
+ IntEngLeave(&EnterLeaveDest);
+ IntEngLeave(&EnterLeaveSource);
- // Clip the blt to the clip rectangle
- EngIntersectRect(&rclTmp, &OutputRect, &ClipRegion->rclBounds);
+ return Ret;
+}
+
+BOOL STDCALL
+IntEngBitBlt(BITMAPOBJ *DestObj,
+ BITMAPOBJ *SourceObj,
+ BITMAPOBJ *MaskObj,
+ CLIPOBJ *ClipRegion,
+ XLATEOBJ *ColorTranslation,
+ RECTL *DestRect,
+ POINTL *SourcePoint,
+ POINTL *MaskOrigin,
+ BRUSHOBJ *Brush,
+ POINTL *BrushOrigin,
+ ROP4 Rop4)
+{
+ BOOLEAN ret;
+ RECTL InputClippedRect;
+ RECTL OutputRect;
+ POINTL InputPoint;
+ BOOLEAN UsesSource;
+ SURFOBJ *DestSurf = &DestObj->SurfObj;
+ SURFOBJ *SourceSurf = SourceObj ? &SourceObj->SurfObj : NULL;
+ SURFOBJ *MaskSurf = MaskObj ? &MaskObj->SurfObj : NULL;
+
+ 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;
+ }
+ UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
+ if (UsesSource)
+ {
+ if (NULL == SourcePoint || NULL == SourceSurf)
+ {
+ return FALSE;
+ }
+ InputPoint = *SourcePoint;
+
+ /* Make sure we don't try to copy anything outside the valid source region */
+ if (InputPoint.x < 0)
+ {
+ InputClippedRect.left -= InputPoint.x;
+ InputPoint.x = 0;
+ }
+ if (InputPoint.y < 0)
+ {
+ InputClippedRect.top -= InputPoint.y;
+ InputPoint.y = 0;
+ }
+ if (SourceSurf->sizlBitmap.cx < InputPoint.x + InputClippedRect.right - InputClippedRect.left)
+ {
+ InputClippedRect.right = InputClippedRect.left + SourceSurf->sizlBitmap.cx - InputPoint.x;
+ }
+ if (SourceSurf->sizlBitmap.cy < InputPoint.y + InputClippedRect.bottom - InputClippedRect.top)
+ {
+ InputClippedRect.bottom = InputClippedRect.top + SourceSurf->sizlBitmap.cy - InputPoint.y;
+ }
+
+ if (InputClippedRect.right < InputClippedRect.left ||
+ InputClippedRect.bottom < InputClippedRect.top)
+ {
+ /* Everything clipped away, nothing to do */
+ return TRUE;
+ }
+ }
+
+ /* Clip against the bounds of the clipping region so we won't try to write
+ * outside the surface */
+ if (NULL != ClipRegion)
+ {
+ if (! EngIntersectRect(&OutputRect, &InputClippedRect, &ClipRegion->rclBounds))
+ {
+ return TRUE;
+ }
+ InputPoint.x += OutputRect.left - DestRect->left;
+ InputPoint.y += OutputRect.top - DestRect->top;
+ }
+ else
+ {
+ OutputRect = InputClippedRect;
+ }
+
+ if (UsesSource)
+ {
+ MouseSafetyOnDrawStart(SourceSurf, InputPoint.x, InputPoint.y,
+ (InputPoint.x + abs(DestRect->right - DestRect->left)),
+ (InputPoint.y + abs(DestRect->bottom - DestRect->top)));
+ }
- ptlTmp.x = InputPoint.x + rclTmp.left - OutputRect.left;
- ptlTmp.y = InputPoint.y + rclTmp.top - OutputRect.top;
+ /* No success yet */
+ ret = FALSE;
+ MouseSafetyOnDrawStart(DestSurf, OutputRect.left, OutputRect.top,
+ OutputRect.right, OutputRect.bottom);
+
+ /* Call the driver's DrvBitBlt if available */
+ if (DestObj->flHooks & HOOK_BITBLT)
+ {
+ ret = GDIDEVFUNCS(DestSurf).BitBlt(
+ DestSurf, SourceSurf, MaskSurf, ClipRegion, ColorTranslation,
+ &OutputRect, &InputPoint, MaskOrigin, Brush, BrushOrigin,
+ Rop4);
+ }
+
+ if (! ret)
+ {
+ ret = EngBitBlt(DestSurf, SourceSurf, MaskSurf, ClipRegion, ColorTranslation,
+ &OutputRect, &InputPoint, MaskOrigin, Brush, BrushOrigin,
+ Rop4);
+ }
+
+ MouseSafetyOnDrawEnd(DestSurf);
+ if (UsesSource)
+ {
+ MouseSafetyOnDrawEnd(SourceSurf);
+ }
+
+ return ret;
+}
+
+static BOOLEAN STDCALL
+CallDibStretchBlt(SURFOBJ* OutputObj,
+ SURFOBJ* InputObj,
+ SURFOBJ* Mask,
+ CLIPOBJ* ClipRegion,
+ XLATEOBJ* ColorTranslation,
+ RECTL* OutputRect,
+ RECTL* InputRect,
+ POINTL* MaskOrigin,
+ POINTL* BrushOrigin,
+ ULONG Mode)
+{
+ POINTL RealBrushOrigin;
+ if (BrushOrigin == NULL)
+ {
+ RealBrushOrigin.x = RealBrushOrigin.y = 0;
+ }
+ else
+ {
+ RealBrushOrigin = *BrushOrigin;
+ }
+ return DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_StretchBlt(
+ OutputObj, InputObj, OutputRect, InputRect, MaskOrigin, RealBrushOrigin, ClipRegion, ColorTranslation, Mode);
+}
+
+
+BOOL
+STDCALL
+EngStretchBlt(
+ IN SURFOBJ *DestObj,
+ IN SURFOBJ *SourceObj,
+ IN SURFOBJ *Mask,
+ IN CLIPOBJ *ClipRegion,
+ IN XLATEOBJ *ColorTranslation,
+ IN COLORADJUSTMENT *pca,
+ IN POINTL *BrushOrigin,
+ IN RECTL *prclDest,
+ IN RECTL *prclSrc,
+ IN POINTL *MaskOrigin,
+ IN ULONG Mode
+ )
+{
+ // www.osr.com/ddk/graphics/gdifncs_0bs7.htm
+
+ POINTL InputPoint;
+ RECTL InputRect;
+ RECTL OutputRect;
+ POINTL Translate;
+ INTENG_ENTER_LEAVE EnterLeaveSource;
+ INTENG_ENTER_LEAVE EnterLeaveDest;
+ SURFOBJ* InputObj;
+ SURFOBJ* OutputObj;
+ PSTRETCHRECTFUNC BltRectFunc;
+ BOOLEAN Ret;
+ POINTL AdjustedBrushOrigin;
+
+ InputRect.left = prclSrc->left;
+ InputRect.right = prclSrc->right;
+ InputRect.top = prclSrc->top;
+ InputRect.bottom = prclSrc->bottom;
+
+ if (! IntEngEnter(&EnterLeaveSource, SourceObj, &InputRect, TRUE, &Translate, &InputObj))
+ {
+ return FALSE;
+ }
+
+ InputPoint.x = InputRect.left + Translate.x;
+ InputPoint.y = InputRect.top + Translate.y;
+
+ OutputRect = *prclDest;
+
+ /* 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, DestObj, &OutputRect, FALSE, &Translate, &OutputObj))
+ {
+ IntEngLeave(&EnterLeaveSource);
+ return FALSE;
+ }
+ OutputRect.left = prclDest->left + Translate.x;
+ OutputRect.right = prclDest->right + Translate.x;
+ OutputRect.top = prclDest->top + Translate.y;
+ OutputRect.bottom = prclDest->bottom + Translate.y;
+
+ if (NULL != BrushOrigin)
+ {
+ AdjustedBrushOrigin.x = BrushOrigin->x + Translate.x;
+ AdjustedBrushOrigin.y = BrushOrigin->y + Translate.y;
+ }
+ else
+ {
+ AdjustedBrushOrigin = Translate;
+ }
+
+ if (Mask != NULL)
+ {
+ //BltRectFunc = BltMask;
+ DPRINT("EngStretchBlt isn't capable of handling mask yet.\n");
IntEngLeave(&EnterLeaveDest);
IntEngLeave(&EnterLeaveSource);
+
+ return FALSE;
+ }
+ else
+ {
+ BltRectFunc = CallDibStretchBlt;
+ }
- return(TRUE);
- case DC_COMPLEX:
+ Ret = (*BltRectFunc)(OutputObj, InputObj, Mask, ClipRegion,
+ ColorTranslation, &OutputRect, &InputRect, MaskOrigin,
+ &AdjustedBrushOrigin, Mode);
- CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, CD_ANY, ENUM_RECT_LIMIT);
+ IntEngLeave(&EnterLeaveDest);
+ IntEngLeave(&EnterLeaveSource);
- do {
- EnumMore = CLIPOBJ_bEnum(ClipRegion,(ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
+ return Ret;
+}
- if (RectEnum.c > 0)
- {
- RECTL* prclEnd = &RectEnum.arcl[RectEnum.c];
- RECTL* prcl = &RectEnum.arcl[0];
+BOOL STDCALL
+IntEngStretchBlt(BITMAPOBJ *DestObj,
+ BITMAPOBJ *SourceObj,
+ BITMAPOBJ *MaskObj,
+ CLIPOBJ *ClipRegion,
+ XLATEOBJ *ColorTranslation,
+ RECTL *DestRect,
+ RECTL *SourceRect,
+ POINTL *pMaskOrigin,
+ BRUSHOBJ *Brush,
+ POINTL *BrushOrigin,
+ ULONG Mode)
+{
+ BOOLEAN ret;
+ COLORADJUSTMENT ca;
+ POINT MaskOrigin;
+ SURFOBJ *DestSurf = &DestObj->SurfObj;
+ SURFOBJ *SourceSurf = SourceObj ? &SourceObj->SurfObj : NULL;
+ SURFOBJ *MaskSurf = MaskObj ? &MaskObj->SurfObj : NULL;
+
+ if (pMaskOrigin != NULL)
+ {
+ MaskOrigin.x = pMaskOrigin->x; MaskOrigin.y = pMaskOrigin->y;
+ }
+
+ if (NULL != SourceObj)
+ {
+ MouseSafetyOnDrawStart(SourceSurf, SourceRect->left, SourceRect->top,
+ SourceRect->right, SourceRect->bottom);
+ }
- do {
- EngIntersectRect(prcl, prcl, &OutputRect);
+ /* No success yet */
+ ret = FALSE;
+ MouseSafetyOnDrawStart(DestSurf, DestRect->left, DestRect->top,
+ DestRect->right, DestRect->bottom);
- ptlTmp.x = InputPoint.x + prcl->left - OutputRect.left;
- ptlTmp.y = InputPoint.y + prcl->top - OutputRect.top;
+ /* Prepare color adjustment */
- prcl++;
+ /* Call the driver's DrvStretchBlt if available */
+ if (DestObj->flHooks & HOOK_STRETCHBLT)
+ {
+ /* Drv->StretchBlt (look at http://www.osr.com/ddk/graphics/ddifncs_3ew7.htm )
+ SURFOBJ *psoMask // optional, if it exists, then rop4=0xCCAA, otherwise rop4=0xCCCC */
+ // FIXME: MaskOrigin is always NULL !
+ ret = GDIDEVFUNCS(DestSurf).StretchBlt(
+ DestSurf, SourceSurf, MaskSurf, ClipRegion, ColorTranslation,
+ &ca, BrushOrigin, DestRect, SourceRect, NULL, Mode);
+ }
- } while (prcl < prclEnd);
- }
+ if (! ret)
+ {
+ // FIXME: see previous fixme
+ ret = EngStretchBlt(DestSurf, SourceSurf, MaskSurf, ClipRegion, ColorTranslation,
+ &ca, BrushOrigin, DestRect, SourceRect, NULL, Mode);
+ }
- } while(EnumMore);
+ MouseSafetyOnDrawEnd(DestSurf);
+ if (NULL != SourceSurf)
+ {
+ MouseSafetyOnDrawEnd(SourceSurf);
+ }
- IntEngLeave(&EnterLeaveDest);
+ return ret;
+}
+
+/**** REACTOS FONT RENDERING CODE *********************************************/
+
+/* renders the alpha mask bitmap */
+static BOOLEAN STDCALL
+AlphaBltMask(SURFOBJ* Dest,
+ SURFOBJ* Source,
+ SURFOBJ* Mask,
+ XLATEOBJ* ColorTranslation,
+ XLATEOBJ* SrcColorTranslation,
+ RECTL* DestRect,
+ POINTL* SourcePoint,
+ POINTL* MaskPoint,
+ BRUSHOBJ* Brush,
+ POINTL* BrushPoint)
+{
+ LONG i, j, dx, dy;
+ int r, g, b;
+ ULONG Background, BrushColor, NewColor;
+ BYTE *tMask, *lMask;
+
+ dx = DestRect->right - DestRect->left;
+ dy = DestRect->bottom - DestRect->top;
+
+ if (Mask != NULL)
+ {
+ BrushColor = XLATEOBJ_iXlate(SrcColorTranslation, Brush->iSolidColor);
+ r = (int)GetRValue(BrushColor);
+ g = (int)GetGValue(BrushColor);
+ b = (int)GetBValue(BrushColor);
+
+ tMask = Mask->pvBits + (SourcePoint->y * Mask->lDelta) + SourcePoint->x;
+ for (j = 0; j < dy; j++)
+ {
+ lMask = tMask;
+ for (i = 0; i < dx; i++)
+ {
+ if (*lMask > 0)
+ {
+ if(*lMask == 0xff)
+ {
+ DibFunctionsForBitmapFormat[Dest->iBitmapFormat].DIB_PutPixel(
+ Dest, DestRect->left + i, DestRect->top + j, Brush->iSolidColor);
+ }
+ else
+ {
+ Background = DIB_GetSource(Dest, DestRect->left + i, DestRect->top + j, SrcColorTranslation);
+
+ NewColor =
+ RGB((*lMask * (r - GetRValue(Background)) >> 8) + GetRValue(Background),
+ (*lMask * (g - GetGValue(Background)) >> 8) + GetGValue(Background),
+ (*lMask * (b - GetBValue(Background)) >> 8) + GetBValue(Background));
+
+ Background = XLATEOBJ_iXlate(ColorTranslation, NewColor);
+ DibFunctionsForBitmapFormat[Dest->iBitmapFormat].DIB_PutPixel(
+ Dest, DestRect->left + i, DestRect->top + j, Background);
+ }
+ }
+ lMask++;
+ }
+ tMask += Mask->lDelta;
+ }
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+BOOL STDCALL
+EngMaskBitBlt(SURFOBJ *DestObj,
+ SURFOBJ *Mask,
+ CLIPOBJ *ClipRegion,
+ XLATEOBJ *DestColorTranslation,
+ XLATEOBJ *SourceColorTranslation,
+ RECTL *DestRect,
+ POINTL *SourcePoint,
+ POINTL *MaskOrigin,
+ BRUSHOBJ *Brush,
+ POINTL *BrushOrigin)
+{
+ BYTE clippingType;
+ RECTL CombinedRect;
+ RECT_ENUM RectEnum;
+ BOOL EnumMore;
+ POINTL InputPoint;
+ RECTL InputRect;
+ RECTL OutputRect;
+ POINTL Translate;
+ INTENG_ENTER_LEAVE EnterLeaveSource;
+ INTENG_ENTER_LEAVE EnterLeaveDest;
+ SURFOBJ* InputObj;
+ SURFOBJ* OutputObj;
+ BOOLEAN Ret = TRUE;
+ RECTL ClipRect;
+ unsigned i;
+ POINTL Pt;
+ ULONG Direction;
+ POINTL AdjustedBrushOrigin;
+
+ if (NULL != SourcePoint)
+ {
+ InputRect.left = SourcePoint->x;
+ InputRect.right = SourcePoint->x + (DestRect->right - DestRect->left);
+ InputRect.top = SourcePoint->y;
+ InputRect.bottom = SourcePoint->y + (DestRect->bottom - DestRect->top);
+ }
+ else
+ {
+ InputRect.left = 0;
+ InputRect.right = DestRect->right - DestRect->left;
+ InputRect.top = 0;
+ InputRect.bottom = DestRect->bottom - DestRect->top;
+ }
+
+ if (! IntEngEnter(&EnterLeaveSource, NULL, &InputRect, TRUE, &Translate, &InputObj))
+ {
+ return FALSE;
+ }
+
+ if (NULL != SourcePoint)
+ {
+ InputPoint.x = SourcePoint->x + Translate.x;
+ InputPoint.y = SourcePoint->y + Translate.y;
+ }
+ else
+ {
+ InputPoint.x = 0;
+ InputPoint.y = 0;
+ }
+
+ OutputRect = *DestRect;
+ if (NULL != ClipRegion)
+ {
+ if (OutputRect.left < ClipRegion->rclBounds.left)
+ {
+ InputRect.left += ClipRegion->rclBounds.left - OutputRect.left;
+ InputPoint.x += ClipRegion->rclBounds.left - OutputRect.left;
+ OutputRect.left = ClipRegion->rclBounds.left;
+ }
+ if (ClipRegion->rclBounds.right < OutputRect.right)
+ {
+ InputRect.right -= OutputRect.right - ClipRegion->rclBounds.right;
+ OutputRect.right = ClipRegion->rclBounds.right;
+ }
+ if (OutputRect.top < ClipRegion->rclBounds.top)
+ {
+ InputRect.top += ClipRegion->rclBounds.top - OutputRect.top;
+ InputPoint.y += ClipRegion->rclBounds.top - OutputRect.top;
+ OutputRect.top = ClipRegion->rclBounds.top;
+ }
+ if (ClipRegion->rclBounds.bottom < OutputRect.bottom)
+ {
+ InputRect.bottom -= OutputRect.bottom - ClipRegion->rclBounds.bottom;
+ OutputRect.bottom = ClipRegion->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, DestObj, &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;
+
+ if(BrushOrigin)
+ {
+ AdjustedBrushOrigin.x = BrushOrigin->x + Translate.x;
+ AdjustedBrushOrigin.y = BrushOrigin->y + Translate.y;
+ }
+ else
+ AdjustedBrushOrigin = Translate;
- return(TRUE);
+ // Determine clipping type
+ if (ClipRegion == (CLIPOBJ *) NULL)
+ {
+ clippingType = DC_TRIVIAL;
+ } else {
+ clippingType = ClipRegion->iDComplexity;
}
+ switch(clippingType)
+ {
+ case DC_TRIVIAL:
+ if(Mask->iBitmapFormat == BMF_8BPP)
+ Ret = AlphaBltMask(OutputObj, InputObj, Mask, DestColorTranslation, SourceColorTranslation,
+ &OutputRect, &InputPoint, MaskOrigin, Brush, &AdjustedBrushOrigin);
+ else
+ Ret = BltMask(OutputObj, InputObj, Mask, DestColorTranslation,
+ &OutputRect, &InputPoint, MaskOrigin, Brush, &AdjustedBrushOrigin, 0xAACC);
+ break;
+ case DC_RECT:
+ // Clip the blt to the clip rectangle
+ ClipRect.left = ClipRegion->rclBounds.left + Translate.x;
+ ClipRect.right = ClipRegion->rclBounds.right + Translate.x;
+ ClipRect.top = ClipRegion->rclBounds.top + Translate.y;
+ ClipRect.bottom = ClipRegion->rclBounds.bottom + Translate.y;
+ EngIntersectRect(&CombinedRect, &OutputRect, &ClipRect);
+ Pt.x = InputPoint.x + CombinedRect.left - OutputRect.left;
+ Pt.y = InputPoint.y + CombinedRect.top - OutputRect.top;
+ if(Mask->iBitmapFormat == BMF_8BPP)
+ Ret = AlphaBltMask(OutputObj, InputObj, Mask, DestColorTranslation, SourceColorTranslation,
+ &CombinedRect, &Pt, MaskOrigin, Brush, &AdjustedBrushOrigin);
+ else
+ Ret = BltMask(OutputObj, InputObj, Mask, DestColorTranslation,
+ &CombinedRect, &Pt, MaskOrigin, Brush, &AdjustedBrushOrigin, 0xAACC);
+ break;
+ case DC_COMPLEX:
+ Ret = TRUE;
+ if (OutputObj == InputObj)
+ {
+ if (OutputRect.top < InputPoint.y)
+ {
+ Direction = OutputRect.left < InputPoint.x ? CD_RIGHTDOWN : CD_LEFTDOWN;
+ }
+ else
+ {
+ Direction = OutputRect.left < InputPoint.x ? CD_RIGHTUP : CD_LEFTUP;
+ }
+ }
+ else
+ {
+ Direction = CD_ANY;
+ }
+ CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, Direction, 0);
+ do
+ {
+ EnumMore = CLIPOBJ_bEnum(ClipRegion,(ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
+
+ for (i = 0; i < RectEnum.c; i++)
+ {
+ 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;
+ EngIntersectRect(&CombinedRect, &OutputRect, &ClipRect);
+ Pt.x = InputPoint.x + CombinedRect.left - OutputRect.left;
+ Pt.y = InputPoint.y + CombinedRect.top - OutputRect.top;
+ if(Mask->iBitmapFormat == BMF_8BPP)
+ Ret = AlphaBltMask(OutputObj, InputObj, Mask, DestColorTranslation, SourceColorTranslation,
+ &CombinedRect, &Pt, MaskOrigin, Brush, &AdjustedBrushOrigin) && Ret;
+ else
+ Ret = BltMask(OutputObj, InputObj, Mask, DestColorTranslation,
+ &CombinedRect, &Pt, MaskOrigin, Brush, &AdjustedBrushOrigin, 0xAACC) && Ret;
+ }
+ }
+ while(EnumMore);
+ break;
+ }
+
+
IntEngLeave(&EnterLeaveDest);
IntEngLeave(&EnterLeaveSource);
- return(FALSE);
+ /* Dummy BitBlt to let driver know that something has changed.
+ 0x00AA0029 is the Rop for D (no-op) */
+ /* FIXME: Remove the typecast! */
+ IntEngBitBlt((BITMAPOBJ*)DestObj, NULL, (BITMAPOBJ*)Mask, ClipRegion, DestColorTranslation,
+ DestRect, SourcePoint, MaskOrigin, Brush, BrushOrigin, ROP_NOOP);
+
+ return Ret;
}
BOOL STDCALL
-IntEngBitBlt(SURFOBJ *DestObj,
- SURFOBJ *SourceObj,
+IntEngMaskBlt(SURFOBJ *DestObj,
SURFOBJ *Mask,
CLIPOBJ *ClipRegion,
- XLATEOBJ *ColorTranslation,
+ XLATEOBJ *DestColorTranslation,
+ XLATEOBJ *SourceColorTranslation,
RECTL *DestRect,
POINTL *SourcePoint,
POINTL *MaskOrigin,
BRUSHOBJ *Brush,
- POINTL *BrushOrigin,
- ROP4 rop4)
+ POINTL *BrushOrigin)
{
BOOLEAN ret;
- SURFGDI *DestGDI;
- SURFGDI *SourceGDI;
+ RECTL OutputRect;
+ POINTL InputPoint;
- if (NULL != SourceObj)
+ if (NULL != SourcePoint)
+ {
+ InputPoint = *SourcePoint;
+ }
+
+ /* Clip against the bounds of the clipping region so we won't try to write
+ * outside the surface */
+ if (NULL != ClipRegion)
+ {
+ if (! EngIntersectRect(&OutputRect, DestRect, &ClipRegion->rclBounds))
+ {
+ return TRUE;
+ }
+ InputPoint.x += OutputRect.left - DestRect->left;
+ InputPoint.y += OutputRect.top - DestRect->top;
+ }
+ else
{
- SourceGDI = (PSURFGDI) AccessInternalObjectFromUserObject(SourceObj);
- MouseSafetyOnDrawStart(SourceObj, SourceGDI, SourcePoint->x, SourcePoint->y,
- (SourcePoint->x + abs(DestRect->right - DestRect->left)),
- (SourcePoint->y + abs(DestRect->bottom - DestRect->top)));
+ OutputRect = *DestRect;
}
/* No success yet */
ret = FALSE;
- DestGDI = (SURFGDI*)AccessInternalObjectFromUserObject(DestObj);
- MouseSafetyOnDrawStart(DestObj, DestGDI, DestRect->left, DestRect->top,
- DestRect->right, DestRect->bottom);
-
- /* Call the driver's DrvBitBlt if available */
- if (NULL != DestGDI->BitBlt) {
- ret = DestGDI->BitBlt(DestObj, SourceObj, Mask, ClipRegion, ColorTranslation,
- DestRect, SourcePoint, MaskOrigin, Brush, BrushOrigin, rop4);
- }
+ MouseSafetyOnDrawStart(DestObj, OutputRect.left, OutputRect.top,
+ OutputRect.right, OutputRect.bottom);
- if (! ret) {
- ret = EngBitBlt(DestObj, SourceObj, Mask, ClipRegion, ColorTranslation,
- DestRect, SourcePoint, MaskOrigin, Brush, BrushOrigin, rop4);
- }
+ ret = EngMaskBitBlt(DestObj, Mask, ClipRegion, DestColorTranslation, SourceColorTranslation,
+ &OutputRect, &InputPoint, MaskOrigin, Brush, BrushOrigin);
- MouseSafetyOnDrawEnd(DestObj, DestGDI);
- if (NULL != SourceObj)
- {
- MouseSafetyOnDrawEnd(SourceObj, SourceGDI);
- }
+ MouseSafetyOnDrawEnd(DestObj);
return ret;
}
+/* EOF */
projects / reactos.git / blobdiff