--- trunk/reactos/subsys/win32k/dib/dib32bpp.c 2006-01-05 00:56:44 UTC (rev 20566)
+++ trunk/reactos/subsys/win32k/dib/dib32bpp.c 2006-01-05 01:49:00 UTC (rev 20567)
@@ -528,7 +528,6 @@
return TRUE;
}
-
//NOTE: If you change something here, please do the same in other dibXXbpp.c files!
BOOLEAN DIB_32BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
RECTL* DestRect, RECTL *SourceRect,
@@ -537,21 +536,18 @@
ULONG Mode)
{
- int SrcSizeY;
- int SrcSizeX;
- int DesSizeY;
- int DesSizeX;
- int sx;
- int sy;
- int DesX;
- int DesY;
- int color;
- int zoomX;
- int zoomY;
- int count;
- int saveX;
- int saveY;
- BOOLEAN DesIsBiggerY=FALSE;
+ LONG SrcSizeY;
+ LONG SrcSizeX;
+ LONG DesSizeY;
+ LONG DesSizeX;
+ LONG sx;
+ LONG sy;
+ LONG DesX;
+ LONG DesY;
+ LONG color;
+ PULONG DestBits;
+ LONG DifflDelta;
+
DPRINT("DIB_32BPP_StretchBlt: Source BPP: %u, srcRect: (%d,%d)-(%d,%d), dstRect: (%d,%d)-(%d,%d)\n",
BitsPerFormat(SourceSurf->iBitmapFormat), SourceRect->left, SourceRect->top, SourceRect->right,
@@ -560,654 +556,136 @@
SrcSizeY = SourceRect->bottom - SourceRect->top;
SrcSizeX = SourceRect->right - SourceRect->left;
- DesSizeY = DestRect->bottom ;
- DesSizeX = DestRect->right;
+ DesSizeY = DestRect->bottom - DestRect->top;
+ DesSizeX = DestRect->right - DestRect->left;
- zoomX = DesSizeX / SrcSizeX;
- if (zoomX==0) zoomX=1;
-
- zoomY = DesSizeY / SrcSizeY;
- if (zoomY==0) zoomY=1;
- if (DesSizeY>SrcSizeY)
- DesIsBiggerY = TRUE;
-
switch(SourceSurf->iBitmapFormat)
{
- case BMF_1BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
- if (zoomX>1)
- {
- /* Draw one Hline on X - Led to the Des Zoom In*/
- if (DesSizeX>SrcSizeX)
- {
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
+ case BMF_1BPP:
+ /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+ /* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 2) +
+ DestRect->top * DestSurf->lDelta);
+
+ DifflDelta = DestSurf->lDelta - (DesSizeX << 1);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++, DestBits++ )
+ {
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+
+ if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+ {
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, 0);
+ }
+ else
+ {
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, 1);
+ }
+ }
+ DestBits = (PULONG)((ULONG_PTR)DestBits + DifflDelta);
+ }
- saveY = DesY+zoomY;
+ break;
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- saveX = DesX + zoomX;
+ case BMF_4BPP:
+ /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+ /* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 2) +
+ DestRect->top * DestSurf->lDelta);
+
+ DifflDelta = DestSurf->lDelta - (DesSizeX << 1);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++, DestBits++ )
+ {
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ }
+
+ DestBits = (PULONG)((ULONG_PTR)DestBits + DifflDelta);
+ }
+ break;
- if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, 0);
- else
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, 1);
-
- }
- }
- }
- else
- {
- /* Draw one Hline on X - Led to the Des Zoom Out*/
+ case BMF_8BPP:
+ /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+ /* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 2) +
+ DestRect->top * DestSurf->lDelta);
+
+ DifflDelta = DestSurf->lDelta - (DesSizeX << 1);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++, DestBits++)
+ {
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ }
+ DestBits = (PULONG)((ULONG_PTR)DestBits + DifflDelta);
+ }
+ break;
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- saveX = DesX + zoomX;
-
- if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, 0);
- else
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, 1);
-
- }
- }
- }
- }
- else
- {
-
- if (DesSizeX>SrcSizeX)
- {
- /* Draw one pixel on X - Led to the Des Zoom In*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, 0);
- else
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, 1);
-
-
- }
- }
- }
- else
- {
- /* Draw one pixel on X - Led to the Des Zoom Out*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, 0);
- else
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, 1);
-
- }
- }
- }
- }
- break;
-
- case BMF_4BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
- if (zoomX>1)
- {
- /* Draw one Hline on X - Led to the Des Zoom In*/
- if (DesSizeX>SrcSizeX)
- {
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- else
- {
- /* Draw one Hline on X - Led to the Des Zoom Out*/
-
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- }
-
- else
- {
-
- if (DesSizeX>SrcSizeX)
- {
- /* Draw one pixel on X - Led to the Des Zoom In*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- else
- {
- /* Draw one pixel on X - Led to the Des Zoom Out*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- }
- break;
-
- case BMF_8BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
- if (zoomX>1)
- {
- /* Draw one Hline on X - Led to the Des Zoom In*/
- if (DesSizeX>SrcSizeX)
- {
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- else
- {
- /* Draw one Hline on X - Led to the Des Zoom Out*/
-
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- }
-
- else
- {
-
- if (DesSizeX>SrcSizeX)
- {
- /* Draw one pixel on X - Led to the Des Zoom In*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- else
- {
- /* Draw one pixel on X - Led to the Des Zoom Out*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- }
- break;
-
case BMF_16BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
- if (zoomX>1)
- {
- /* Draw one Hline on X - Led to the Des Zoom In*/
- if (DesSizeX>SrcSizeX)
- {
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
+ /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+ /* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 2) +
+ DestRect->top * DestSurf->lDelta);
+
+ DifflDelta = DestSurf->lDelta - (DesSizeX << 1);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++, DestBits++)
+ {
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_16BPP_GetPixel(SourceSurf, sx, sy);
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ }
+ DestBits = (PULONG)((ULONG_PTR)DestBits + DifflDelta);
+ }
+ break;
- saveY = DesY+zoomY;
+ case BMF_24BPP:
+ /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+ /* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 2) +
+ DestRect->top * DestSurf->lDelta);
+
+ DifflDelta = DestSurf->lDelta - (DesSizeX << 1);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++, DestBits++)
+ {
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ }
+ DestBits = (PULONG)((ULONG_PTR)DestBits + DifflDelta);
+ }
+ break;
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- else
- {
- /* Draw one Hline on X - Led to the Des Zoom Out*/
-
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- }
-
- else
- {
-
- if (DesSizeX>SrcSizeX)
- {
- /* Draw one pixel on X - Led to the Des Zoom In*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- else
- {
- /* Draw one pixel on X - Led to the Des Zoom Out*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- }
- break;
-
- case BMF_24BPP:
- /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
- /* This is a reference implementation, it hasn't been optimized for speed */
- if (zoomX>1)
- {
- /* Draw one Hline on X - Led to the Des Zoom In*/
- if (DesSizeX>SrcSizeX)
- {
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- else
- {
- /* Draw one Hline on X - Led to the Des Zoom Out*/
-
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-
- saveX = DesX + zoomX;
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_HLine(DestSurf, DesX, saveX, count, color);
- }
- }
- }
- }
-
- else
- {
-
- if (DesSizeX>SrcSizeX)
- {
- /* Draw one pixel on X - Led to the Des Zoom In*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- else
- {
- /* Draw one pixel on X - Led to the Des Zoom Out*/
- for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
- {
- if (DesIsBiggerY)
- sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
- else
- sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY);
-
- if (sy > SourceRect->bottom) break;
-
- saveY = DesY+zoomY;
-
- for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)
- {
- sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);
-
- if (sx > SourceRect->right) break;
-
- color = XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-
- for (count=DesY;count<saveY;count++)
- DIB_32BPP_PutPixel(DestSurf, DesX, count, color);
- }
- }
- }
- }
- break;
-
case BMF_32BPP:
return ScaleRectAvg32(DestSurf, SourceSurf, DestRect, SourceRect, MaskOrigin, BrushOrigin,
ClipRegion, ColorTranslation, Mode);