/*
- * 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.
+ * PROJECT: Win32 subsystem
+ * LICENSE: See COPYING in the top level directory
+ * FILE: subsystems/win32/win32k/dib/dib24bpp.c
+ * PURPOSE: Device Independant Bitmap functions, 24bpp
+ * PROGRAMMERS: Jason Filby
+ * Thomas Bluemel
+ * Gregor Anich
*/
-/* $Id$ */
-#include <w32k.h>
+#include <win32k.h>
#define NDEBUG
#include <debug.h>
LONG lDelta = SurfObj->lDelta;
c &= 0xFFFFFF;
- while(y1++ < y2) {
+ while(y1++ < y2)
+ {
*(PUSHORT)(addr) = c & 0xFFFF;
*(addr + 2) = c >> 16;
*DestBits = xColor & 0xff;
*(PWORD)(DestBits + 1) = xColor >> 8;
SourceBits += 1;
- DestBits += 3;
+ DestBits += 3;
}
SourceLine += BltInfo->SourceSurface->lDelta;
case BMF_24BPP:
if (NULL == BltInfo->XlateSourceToDest || 0 != (BltInfo->XlateSourceToDest->flXlate & XO_TRIVIAL))
{
- if (BltInfo->DestRect.top < BltInfo->SourcePoint.y)
- {
- SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 3 * BltInfo->SourcePoint.x;
- for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
- {
- RtlMoveMemory(DestBits, SourceBits, 3 * (BltInfo->DestRect.right - BltInfo->DestRect.left));
- SourceBits += BltInfo->SourceSurface->lDelta;
- DestBits += BltInfo->DestSurface->lDelta;
- }
- }
- else
- {
- SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 + ((BltInfo->SourcePoint.y + BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) * BltInfo->SourceSurface->lDelta) + 3 * BltInfo->SourcePoint.x;
- DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 + ((BltInfo->DestRect.bottom - 1) * BltInfo->DestSurface->lDelta) + 3 * BltInfo->DestRect.left;
- for (j = BltInfo->DestRect.bottom - 1; BltInfo->DestRect.top <= j; j--)
- {
- RtlMoveMemory(DestBits, SourceBits, 3 * (BltInfo->DestRect.right - BltInfo->DestRect.left));
- SourceBits -= BltInfo->SourceSurface->lDelta;
- DestBits -= BltInfo->DestSurface->lDelta;
- }
- }
+ if (BltInfo->DestRect.top < BltInfo->SourcePoint.y)
+ {
+ SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 3 * BltInfo->SourcePoint.x;
+ for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
+ {
+ RtlMoveMemory(DestBits, SourceBits, 3 * (BltInfo->DestRect.right - BltInfo->DestRect.left));
+ SourceBits += BltInfo->SourceSurface->lDelta;
+ DestBits += BltInfo->DestSurface->lDelta;
+ }
+ }
+ else
+ {
+ SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 + ((BltInfo->SourcePoint.y + BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) * BltInfo->SourceSurface->lDelta) + 3 * BltInfo->SourcePoint.x;
+ DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 + ((BltInfo->DestRect.bottom - 1) * BltInfo->DestSurface->lDelta) + 3 * BltInfo->DestRect.left;
+ for (j = BltInfo->DestRect.bottom - 1; BltInfo->DestRect.top <= j; j--)
+ {
+ RtlMoveMemory(DestBits, SourceBits, 3 * (BltInfo->DestRect.right - BltInfo->DestRect.left));
+ SourceBits -= BltInfo->SourceSurface->lDelta;
+ DestBits -= BltInfo->DestSurface->lDelta;
+ }
+ }
}
else
{
sx = BltInfo->SourcePoint.x;
sy = BltInfo->SourcePoint.y;
- for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
- {
- sx = BltInfo->SourcePoint.x;
- for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
+ for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
{
- DWORD pixel = DIB_24BPP_GetPixel(BltInfo->SourceSurface, sx, sy);
- DIB_24BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, pixel));
- sx++;
+ sx = BltInfo->SourcePoint.x;
+ for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
+ {
+ DWORD pixel = DIB_24BPP_GetPixel(BltInfo->SourceSurface, sx, sy);
+ DIB_24BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, pixel));
+ sx++;
+ }
+ sy++;
}
- sy++;
- }
}
break;
*DestBits = xColor & 0xff;
*(PWORD)(DestBits + 1) = xColor >> 8;
SourceBits += 4;
- DestBits += 3;
+ DestBits += 3;
}
SourceLine += BltInfo->SourceSurface->lDelta;
{
if (BltInfo->PatternSurface)
{
- PatternY = (BltInfo->DestRect.top + BltInfo->BrushOrigin.y) %
+ PatternY = (BltInfo->DestRect.top - BltInfo->BrushOrigin.y) %
BltInfo->PatternSurface->sizlBitmap.cy;
}
else
{
- Pattern = BltInfo->Brush->iSolidColor;
+ if (BltInfo->Brush)
+ Pattern = BltInfo->Brush->iSolidColor;
}
}
}
if (BltInfo->PatternSurface)
- {
- Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
+ {
+ Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX - BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
}
Dest = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xFFFFFF;
addr += 1;
}
}
- else
+ else
{
/* Align to 4-byte address */
while (0 != ((ULONG_PTR) addr & 0x3))
- {
- *(PUSHORT)(addr) = color;
- addr += 2;
- *(addr) = color >> 16;
- addr += 1;
- Count--;
- }
+ {
+ *(PUSHORT)(addr) = color;
+ addr += 2;
+ *(addr) = color >> 16;
+ addr += 1;
+ Count--;
+ }
/* If the color we need to fill with is 0ABC, then the final mem pattern
* (note little-endianness) would be:
*
: "=m"(addr)
: "m"(color), "m"(Count), "m"(addr)
: "%eax", "%ebx", "%ecx", "%edx", "%edi");
- Count = Count & 0x03;
+ Count = Count & 0x03;
while (0 != Count--)
- {
- *(PUSHORT)(addr) = color;
- addr += 2;
- *(addr) = color >> 16;
- addr += 1;
- }
+ {
+ *(PUSHORT)(addr) = color;
+ addr += 2;
+ *(addr) = color >> 16;
+ addr += 1;
+ }
}
}
#else
for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
- {
- DIB_24BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
- }
+ {
+ DIB_24BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
+ }
#endif
return TRUE;
}
-//NOTE: If you change something here, please do the same in other dibXXbpp.c files!
-BOOLEAN DIB_24BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- RECTL* DestRect, RECTL *SourceRect,
- POINTL* MaskOrigin, POINTL BrushOrigin,
- CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation,
- ULONG Mode)
-{
- LONG SrcSizeY;
- LONG SrcSizeX;
- LONG DesSizeY;
- LONG DesSizeX;
- LONG sx;
- LONG sy;
- LONG DesX;
- LONG DesY;
- LONG color;
-
- SrcSizeY = SourceRect->bottom - SourceRect->top;
- SrcSizeX = SourceRect->right - SourceRect->left;
-
- DesSizeY = DestRect->bottom - DestRect->top;
- DesSizeX = DestRect->right - DestRect->left;
-
- switch(SourceSurf->iBitmapFormat)
- {
- case BMF_1BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
-
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
-
- if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- {
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0));
- }
- else
- {
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 1));
- }
- }
- }
-
- break;
-
- case BMF_4BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
-
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
- color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
- }
- }
- break;
-
- case BMF_8BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
-
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
- color = DIB_8BPP_GetPixel(SourceSurf, sx, sy);
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
- }
- }
- break;
-
- case BMF_16BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
-
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
- color = DIB_16BPP_GetPixel(SourceSurf, sx, sy);
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
- }
- }
- break;
-
- case BMF_24BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
-
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
- color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
- }
- }
- break;
-
- case BMF_32BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
-
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
- color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
- DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
- }
- }
- break;
-
- default:
- //DPRINT1("DIB_24BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
- return FALSE;
- }
-
- return TRUE;
-}
-
BOOLEAN
DIB_24BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- RECTL* DestRect, POINTL *SourcePoint,
+ RECTL* DestRect, RECTL *SourceRect,
XLATEOBJ *ColorTranslation, ULONG iTransColor)
{
- ULONG X, Y, SourceX, SourceY, Source, wd, Dest;
+ ULONG X, Y, SourceX, SourceY = 0, Source = 0, wd, Dest;
BYTE *DestBits;
- SourceY = SourcePoint->y;
+ LONG DstHeight;
+ LONG DstWidth;
+ LONG SrcHeight;
+ LONG SrcWidth;
+
+ DstHeight = DestRect->bottom - DestRect->top;
+ DstWidth = DestRect->right - DestRect->left;
+ SrcHeight = SourceRect->bottom - SourceRect->top;
+ SrcWidth = SourceRect->right - SourceRect->left;
+
DestBits = (BYTE*)((PBYTE)DestSurf->pvScan0 +
- (DestRect->left << 2) +
+ (DestRect->left * 3) +
DestRect->top * DestSurf->lDelta);
- wd = DestSurf->lDelta - ((DestRect->right - DestRect->left) << 2);
+ wd = DestSurf->lDelta - ((DestRect->right - DestRect->left) * 3);
for(Y = DestRect->top; Y < DestRect->bottom; Y++)
{
- SourceX = SourcePoint->x;
- for(X = DestRect->left; X < DestRect->right; X++, DestBits += 3, SourceX++)
+ SourceY = SourceRect->top+(Y - DestRect->top) * SrcHeight / DstHeight;
+ for(X = DestRect->left; X < DestRect->right; X++, DestBits += 3)
{
- Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
- if(Source != iTransColor)
+ SourceX = SourceRect->left+(X - DestRect->left) * SrcWidth / DstWidth;
+ if (SourceX >= 0 && SourceY >= 0 &&
+ SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
{
- Dest = XLATEOBJ_iXlate(ColorTranslation, Source) & 0xFFFFFF;
- *(PUSHORT)(DestBits) = Dest & 0xFFFF;
- *(DestBits + 2) = Dest >> 16;
+ Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
+ if(Source != iTransColor)
+ {
+ Dest = XLATEOBJ_iXlate(ColorTranslation, Source) & 0xFFFFFF;
+ *(PUSHORT)(DestBits) = Dest & 0xFFFF;
+ *(DestBits + 2) = Dest >> 16;
+ }
}
}
- SourceY++;
DestBits = (BYTE*)((ULONG_PTR)DestBits + wd);
}
{
INT Rows, Cols, SrcX, SrcY;
register PUCHAR Dst;
- ULONG DstDelta;
BLENDFUNCTION BlendFunc;
register NICEPIXEL32 DstPixel, SrcPixel;
UCHAR Alpha, SrcBpp;
SourceRect->left, SourceRect->top, SourceRect->right, SourceRect->bottom,
DestRect->left, DestRect->top, DestRect->right, DestRect->bottom);
- ASSERT(DestRect->bottom - DestRect->top == SourceRect->bottom - SourceRect->top &&
- DestRect->right - DestRect->left == SourceRect->right - SourceRect->left);
-
BlendFunc = BlendObj->BlendFunction;
if (BlendFunc.BlendOp != AC_SRC_OVER)
{
Dst = (PUCHAR)((ULONG_PTR)Dest->pvScan0 + (DestRect->top * Dest->lDelta) +
(DestRect->left * 3));
- DstDelta = Dest->lDelta - ((DestRect->right - DestRect->left) * 3);
SrcBpp = BitsPerFormat(Source->iBitmapFormat);
- Rows = DestRect->bottom - DestRect->top;
+ Rows = 0;
SrcY = SourceRect->top;
- while (--Rows >= 0)
- {
- Cols = DestRect->right - DestRect->left;
- SrcX = SourceRect->left;
- while (--Cols >= 0)
+ while (++Rows <= DestRect->bottom - DestRect->top)
+ {
+ Cols = 0;
+ SrcX = SourceRect->left;
+ while (++Cols <= DestRect->right - DestRect->left)
+ {
+ SrcPixel.ul = DIB_GetSource(Source, SrcX, SrcY, ColorTranslation);
+ SrcPixel.col.red = (SrcPixel.col.red * BlendFunc.SourceConstantAlpha) / 255;
+ SrcPixel.col.green = (SrcPixel.col.green * BlendFunc.SourceConstantAlpha) / 255;
+ SrcPixel.col.blue = (SrcPixel.col.blue * BlendFunc.SourceConstantAlpha) / 255;
+ if (!(BlendFunc.AlphaFormat & AC_SRC_ALPHA))
{
- SrcPixel.ul = DIB_GetSource(Source, SrcX++, SrcY, ColorTranslation);
- SrcPixel.col.red = SrcPixel.col.red * BlendFunc.SourceConstantAlpha / 255;
- SrcPixel.col.green = SrcPixel.col.green * BlendFunc.SourceConstantAlpha / 255;
- SrcPixel.col.blue = SrcPixel.col.blue * BlendFunc.SourceConstantAlpha / 255;
- SrcPixel.col.alpha = (SrcBpp == 32) ? (SrcPixel.col.alpha * BlendFunc.SourceConstantAlpha / 255) : BlendFunc.SourceConstantAlpha;
-
- Alpha = ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0) ?
- SrcPixel.col.alpha : BlendFunc.SourceConstantAlpha;
-
- DstPixel.ul = *Dst;
- DstPixel.col.red = Clamp8(DstPixel.col.red * (255 - Alpha) / 255 + SrcPixel.col.red);
- DstPixel.col.green = Clamp8(DstPixel.col.green * (255 - Alpha) / 255 + SrcPixel.col.green);
- DstPixel.col.blue = Clamp8(DstPixel.col.blue * (255 - Alpha) / 255 + SrcPixel.col.blue);
- *Dst = DstPixel.ul;
- Dst = (PUCHAR)((ULONG_PTR)Dst + 3);
+ Alpha = BlendFunc.SourceConstantAlpha ;
}
- Dst = (PUCHAR)((ULONG_PTR)Dst + DstDelta);
- SrcY++;
- }
+ else
+ {
+ Alpha = (SrcPixel.col.alpha * BlendFunc.SourceConstantAlpha) / 255;
+ }
+
+ DstPixel.col.red = Clamp8((*Dst * (255 - Alpha)) / 255 + SrcPixel.col.red) ;
+ DstPixel.col.green = Clamp8((*(Dst+1) * (255 - Alpha) / 255 + SrcPixel.col.green)) ;
+ DstPixel.col.blue = Clamp8((*(Dst+2) * (255 - Alpha)) / 255 + SrcPixel.col.blue) ;
+ *Dst++ = DstPixel.col.red;
+ *Dst++ = DstPixel.col.green;
+ *Dst++ = DstPixel.col.blue;
+ SrcX = SourceRect->left + (Cols*(SourceRect->right - SourceRect->left))/(DestRect->right - DestRect->left);
+ }
+ Dst = (PUCHAR)((ULONG_PTR)Dest->pvScan0 + ((DestRect->top + Rows) * Dest->lDelta) +
+ (DestRect->left*3));
+ SrcY = SourceRect->top + (Rows*(SourceRect->bottom - SourceRect->top))/(DestRect->bottom - DestRect->top);
+ }
return TRUE;
}
projects / reactos.git / blobdiff