* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/* $Id: dib4bpp.c,v 1.17 2003/08/12 21:55:47 gvg Exp $ */
-#undef WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <stdlib.h>
-#include <win32k/bitmaps.h>
-#include <win32k/debug.h>
+/* $Id$ */
+
+#include <w32k.h>
+
+#define NDEBUG
#include <debug.h>
-#include <ddk/winddi.h>
-#include "../eng/objects.h"
-#include "dib.h"
VOID
-DIB_4BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
+DIB_4BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
{
- PBYTE addr = SurfObj->pvScan0;
-
- addr += (x>>1) + y * SurfObj->lDelta;
- *addr = (*addr & notmask[x&1]) | (c << ((1-(x&1))<<2));
+ PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
+ *addr = (*addr & notmask[x&1]) | (c << ((1-(x&1))<<2));
}
ULONG
-DIB_4BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
+DIB_4BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
{
- PBYTE addr = SurfObj->pvScan0;
-
- return (addr[(x>>1) + y * SurfObj->lDelta] >> ((1-(x&1))<<2) ) & 0x0f;
+ PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
+ return (*addr >> ((1-(x&1))<<2)) & 0x0f;
}
VOID
-DIB_4BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
+DIB_4BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
{
- PBYTE addr = SurfObj->pvScan0 + (x1>>1) + y * SurfObj->lDelta;
+ PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x1>>1) + y * SurfObj->lDelta;
LONG cx = x1;
while(cx < x2) {
}
VOID
-DIB_4BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
+DIB_4BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
{
PBYTE addr = SurfObj->pvScan0;
int lDelta = SurfObj->lDelta;
}
}
-BOOLEAN STATIC
-DIB_4BPP_BitBltSrcCopy(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- SURFGDI *DestGDI, SURFGDI *SourceGDI,
- PRECTL DestRect, POINTL *SourcePoint,
- XLATEOBJ* ColorTranslation)
+BOOLEAN
+DIB_4BPP_BitBltSrcCopy(PBLTINFO BltInfo)
{
LONG i, j, sx, sy, f2, xColor;
PBYTE SourceBits_24BPP, SourceLine_24BPP;
PBYTE DestBits, DestLine, SourceBits_8BPP, SourceLine_8BPP;
PBYTE SourceBits, SourceLine;
- DestBits = DestSurf->pvScan0 + (DestRect->left>>1) + DestRect->top * DestSurf->lDelta;
+ DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 +
+ (BltInfo->DestRect.left >> 1) +
+ BltInfo->DestRect.top * BltInfo->DestSurface->lDelta;
- switch(SourceGDI->BitsPerPixel)
+ switch (BltInfo->SourceSurface->iBitmapFormat)
{
- case 1:
- sx = SourcePoint->x;
- sy = SourcePoint->y;
+ case BMF_1BPP:
+ sx = BltInfo->SourcePoint.x;
+ sy = BltInfo->SourcePoint.y;
- for (j=DestRect->top; j<DestRect->bottom; j++)
+ for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
{
- sx = SourcePoint->x;
- for (i=DestRect->left; i<DestRect->right; i++)
+ sx = BltInfo->SourcePoint.x;
+ for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
{
- if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+ if(DIB_1BPP_GetPixel(BltInfo->SourceSurface, sx, sy) == 0)
{
- DIB_4BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 0));
+ DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 0));
} else {
- DIB_4BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 1));
+ DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 1));
}
sx++;
}
}
break;
- case 4:
- sy = SourcePoint->y;
+ case BMF_4BPP:
+ sy = BltInfo->SourcePoint.y;
- for (j=DestRect->top; j<DestRect->bottom; j++)
+ for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
{
- sx = SourcePoint->x;
+ sx = BltInfo->SourcePoint.x;
- for (i=DestRect->left; i<DestRect->right; i++)
+ for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
{
- if (NULL != ColorTranslation)
+ if (NULL != BltInfo->XlateSourceToDest)
{
- DIB_4BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy)));
+ DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy)));
}
else
{
- DIB_4BPP_PutPixel(DestSurf, i, j, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
+ DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
}
sx++;
}
}
break;
- case 8:
- SourceBits_8BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x;
+ case BMF_8BPP:
+ SourceBits_8BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
- for (j=DestRect->top; j<DestRect->bottom; j++)
+ for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
{
SourceLine_8BPP = SourceBits_8BPP;
DestLine = DestBits;
- f2 = DestRect->left & 1;
+ f2 = BltInfo->DestRect.left & 1;
- for (i=DestRect->left; i<DestRect->right; i++)
+ for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
{
- *DestLine = (*DestLine & notmask[i&1]) |
- ((XLATEOBJ_iXlate(ColorTranslation, *SourceLine_8BPP)) << ((4 * (1-(i & 1)))));
+ *DestLine = (*DestLine & notmask[f2]) |
+ ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *SourceLine_8BPP)) << ((4 * (1 - f2))));
if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
SourceLine_8BPP++;
}
- SourceBits_8BPP += SourceSurf->lDelta;
- DestBits += DestSurf->lDelta;
+ SourceBits_8BPP += BltInfo->SourceSurface->lDelta;
+ DestBits += BltInfo->DestSurface->lDelta;
}
break;
- case 16:
- SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 2 * SourcePoint->x;
+ case BMF_16BPP:
+ SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 2 * BltInfo->SourcePoint.x;
DestLine = DestBits;
- for (j = DestRect->top; j < DestRect->bottom; j++)
+ for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
{
SourceBits = SourceLine;
DestBits = DestLine;
- f2 = DestRect->left & 1;
+ f2 = BltInfo->DestRect.left & 1;
- for (i = DestRect->left; i < DestRect->right; i++)
+ for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
{
xColor = *((PWORD) SourceBits);
- *DestBits = (*DestBits & notmask[i&1]) |
- ((XLATEOBJ_iXlate(ColorTranslation, xColor)) << ((4 * (1-(i & 1)))));
+ *DestBits = (*DestBits & notmask[f2]) |
+ ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
SourceBits += 2;
}
- SourceLine += SourceSurf->lDelta;
- DestLine += DestSurf->lDelta;
+ SourceLine += BltInfo->SourceSurface->lDelta;
+ DestLine += BltInfo->DestSurface->lDelta;
}
break;
- case 24:
- SourceBits_24BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x * 3;
+ case BMF_24BPP:
+ SourceBits_24BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x * 3;
- for (j=DestRect->top; j<DestRect->bottom; j++)
+ for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
{
SourceLine_24BPP = SourceBits_24BPP;
DestLine = DestBits;
- f2 = DestRect->left & 1;
+ f2 = BltInfo->DestRect.left & 1;
- for (i=DestRect->left; i<DestRect->right; i++)
+ for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
{
xColor = (*(SourceLine_24BPP + 2) << 0x10) +
(*(SourceLine_24BPP + 1) << 0x08) +
(*(SourceLine_24BPP));
- *DestLine = (*DestLine & notmask[i&1]) |
- ((XLATEOBJ_iXlate(ColorTranslation, xColor)) << ((4 * (1-(i & 1)))));
+ *DestLine = (*DestLine & notmask[f2]) |
+ ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
SourceLine_24BPP+=3;
}
- SourceBits_24BPP += SourceSurf->lDelta;
- DestBits += DestSurf->lDelta;
+ SourceBits_24BPP += BltInfo->SourceSurface->lDelta;
+ DestBits += BltInfo->DestSurface->lDelta;
}
break;
- case 32:
- SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 4 * SourcePoint->x;
+ case BMF_32BPP:
+ SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 4 * BltInfo->SourcePoint.x;
DestLine = DestBits;
- for (j = DestRect->top; j < DestRect->bottom; j++)
+ for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
{
SourceBits = SourceLine;
DestBits = DestLine;
- f2 = DestRect->left & 1;
+ f2 = BltInfo->DestRect.left & 1;
- for (i = DestRect->left; i < DestRect->right; i++)
+ for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
{
xColor = *((PDWORD) SourceBits);
- *DestBits = (*DestBits & notmask[i&1]) |
- ((XLATEOBJ_iXlate(ColorTranslation, xColor)) << ((4 * (1-(i & 1)))));
+ *DestBits = (*DestBits & notmask[f2]) |
+ ((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
SourceBits += 4;
}
- SourceLine += SourceSurf->lDelta;
- DestLine += DestSurf->lDelta;
+ SourceLine += BltInfo->SourceSurface->lDelta;
+ DestLine += BltInfo->DestSurface->lDelta;
}
break;
default:
- DbgPrint("DIB_4BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);
+ DbgPrint("DIB_4BPP_Bitblt: Unhandled Source BPP: %u\n", BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
return FALSE;
}
return(TRUE);
}
BOOLEAN
-DIB_4BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- SURFGDI *DestGDI, SURFGDI *SourceGDI,
- PRECTL DestRect, POINTL *SourcePoint,
- PBRUSHOBJ Brush, PPOINTL BrushOrigin,
- XLATEOBJ *ColorTranslation, ULONG Rop4)
+DIB_4BPP_BitBlt(PBLTINFO BltInfo)
{
- LONG i, j, k, sx, sy;
- ULONG Dest, Source, Pattern;
- PULONG DestBits;
- BOOL UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
- BOOL UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
- ULONG RoundedRight = DestRect->right - (DestRect->right & 0x7);
- static const ULONG ExpandSolidColor[16] =
- {
+ ULONG DestX, DestY;
+ ULONG SourceX, SourceY;
+ ULONG PatternY = 0;
+ ULONG Dest, Source = 0, Pattern = 0;
+ BOOLEAN UsesSource;
+ BOOLEAN UsesPattern;
+ PULONG DestBits;
+ LONG RoundedRight;
+ static const ULONG ExpandSolidColor[16] =
+ {
0x00000000 /* 0 */,
0x11111111 /* 1 */,
0x22222222 /* 2 */,
0xDDDDDDDD /* 13 */,
0xEEEEEEEE /* 14 */,
0xFFFFFFFF /* 15 */,
- };
+ };
+
+ UsesSource = ROP4_USES_SOURCE(BltInfo->Rop4);
+ UsesPattern = ROP4_USES_PATTERN(BltInfo->Rop4);
- if (Rop4 == SRCCOPY)
- {
- return(DIB_4BPP_BitBltSrcCopy(DestSurf, SourceSurf, DestGDI, SourceGDI, DestRect, SourcePoint, ColorTranslation));
- }
- else
- {
- sy = SourcePoint->y;
+ SourceY = BltInfo->SourcePoint.y;
+ RoundedRight = BltInfo->DestRect.right -
+ ((BltInfo->DestRect.right - BltInfo->DestRect.left) & 0x7);
- for (j=DestRect->top; j<DestRect->bottom; j++)
+ if (UsesPattern)
+ {
+ if (BltInfo->PatternSurface)
{
- sx = SourcePoint->x;
- DestBits = (PULONG)(DestSurf->pvScan0 + (DestRect->left>>1) + j * DestSurf->lDelta);
- for (i=DestRect->left; i<RoundedRight; i+=8, DestBits++)
- {
- Dest = *DestBits;
- if (UsesSource)
- {
- Source = 0;
- for (k = 0; k < 8; k++)
- {
- Source |= (DIB_GetSource(SourceSurf, SourceGDI, sx + i + k, sy, ColorTranslation) << (k * 4));
- }
- }
- if (UsesPattern)
- {
- /* FIXME: No support for pattern brushes. */
- Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
- }
- *DestBits = DIB_DoRop(Rop4, Dest, Source, Pattern);
- }
- if (i < DestRect->right)
- {
- Dest = *DestBits;
- for (; i < DestRect->right; i++)
- {
- if (UsesSource)
- {
- Source = DIB_GetSource(SourceSurf, SourceGDI, sx + i, sy, ColorTranslation);
- }
- if (UsesPattern)
- {
- /* FIXME: No support for pattern brushes. */
- Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
- }
- DIB_4BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
- Dest >>= 4;
- }
- }
+ PatternY = (BltInfo->DestRect.top + BltInfo->BrushOrigin.y) %
+ BltInfo->PatternSurface->sizlBitmap.cy;
+ }
+ else
+ {
+ Pattern = ExpandSolidColor[BltInfo->Brush->iSolidColor];
+ }
+ }
+
+ for (DestY = BltInfo->DestRect.top; DestY < BltInfo->DestRect.bottom; DestY++)
+ {
+ DestBits = (PULONG)(
+ (PBYTE)BltInfo->DestSurface->pvScan0 +
+ (BltInfo->DestRect.left >> 1) +
+ DestY * BltInfo->DestSurface->lDelta);
+ SourceX = BltInfo->SourcePoint.x;
+ DestX = BltInfo->DestRect.left;
+
+ if (DestX & 0x1)
+ {
+ Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
+
+ if (UsesSource)
+ {
+ Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
+ }
+
+ if (BltInfo->PatternSurface)
+ {
+ Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
+ }
+
+ DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
+
+ DestX++;
+ SourceX++;
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 1);
+ }
+
+ for (; DestX < RoundedRight; DestX += 8, SourceX += 8, DestBits++)
+ {
+ Dest = *DestBits;
+ if (UsesSource)
+ {
+ Source =
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 1, SourceY, BltInfo->XlateSourceToDest)) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 0, SourceY, BltInfo->XlateSourceToDest) << 4) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 3, SourceY, BltInfo->XlateSourceToDest) << 8) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 2, SourceY, BltInfo->XlateSourceToDest) << 12) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 5, SourceY, BltInfo->XlateSourceToDest) << 16) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 4, SourceY, BltInfo->XlateSourceToDest) << 20) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 7, SourceY, BltInfo->XlateSourceToDest) << 24) |
+ (DIB_GetSource(BltInfo->SourceSurface, SourceX + 6, SourceY, BltInfo->XlateSourceToDest) << 28);
+ }
+ if (BltInfo->PatternSurface)
+ {
+ Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 1) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 0) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 4;
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 3) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 8;
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 2) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 12;
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 5) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 16;
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 4) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 20;
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 7) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 24;
+ Pattern |= DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 6) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest) << 28;
+ }
+ *DestBits = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern);
}
- }
+
+ /* Process the rest of pixel on the line */
+ for (; DestX < BltInfo->DestRect.right; DestX++, SourceX++)
+ {
+ Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
+ if (UsesSource)
+ {
+ Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
+ }
+ if (BltInfo->PatternSurface)
+ {
+ Pattern = DIB_GetSource(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY, BltInfo->XlatePatternToDest);
+ }
+ DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
+ }
+
+ SourceY++;
+ if (BltInfo->PatternSurface)
+ {
+ PatternY++;
+ PatternY %= BltInfo->PatternSurface->sizlBitmap.cy;
+ }
+ }
+
+ return TRUE;
+}
+
+/* BitBlt Optimize */
+BOOLEAN
+DIB_4BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
+{
+ ULONG DestY;
+
+ for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
+ {
+ DIB_4BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
+ }
+
+return TRUE;
+}
+
+//NOTE: If you change something here, please do the same in other dibXXbpp.c files!
+BOOLEAN DIB_4BPP_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_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0));
+ }
+ else
+ {
+ DIB_4BPP_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_4BPP_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_4BPP_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_4BPP_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_4BPP_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_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+ }
+ }
+ break;
+
+ default:
+ //DPRINT1("DIB_4BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
+ return FALSE;
+ }
+
return TRUE;
}
+
+BOOLEAN
+DIB_4BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
+ RECTL* DestRect, POINTL *SourcePoint,
+ XLATEOBJ *ColorTranslation, ULONG iTransColor)
+{
+ return FALSE;
+}
+
+BOOLEAN
+DIB_4BPP_AlphaBlend(SURFOBJ* Dest, SURFOBJ* Source, RECTL* DestRect,
+ RECTL* SourceRect, CLIPOBJ* ClipRegion,
+ XLATEOBJ* ColorTranslation, BLENDOBJ* BlendObj)
+{
+ UNIMPLEMENTED;
+ return FALSE;
+}
+
/* EOF */