[greatlrd] 20534: Correct Streachblt in windows mode, it take accunt org and offset now. this need to be implement in dib1, dib4, dib8, dib24, dib32
Correct Streachblt in windows mode, it take accunt org and offset now. this need to be implement in dib1, dib4, dib8,dib24, dib32 Modified: trunk/reactos/subsys/win32k/dib/dib16bpp.c _____
Modified: trunk/reactos/subsys/win32k/dib/dib16bpp.c --- trunk/reactos/subsys/win32k/dib/dib16bpp.c 2006-01-02 18:45:52 UTC (rev 20533) +++ trunk/reactos/subsys/win32k/dib/dib16bpp.c 2006-01-02 19:00:47 UTC (rev 20534) @@ -621,9 +621,9 @@
int color; int zoomX; int zoomY; - int count; - int saveX; - int saveY; + // int count; + // int saveX; + // int saveY; BOOLEAN DesIsBiggerY=FALSE;
DPRINT("DIB_16BPP_StretchBlt: Source BPP: %u, srcRect: (%d,%d)-(%d,%d), dstRect: (%d,%d)-(%d,%d)\n", @@ -633,9 +633,15 @@ 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; + /* + SrcSizeY = SourceRect->bottom; + SrcSizeX = SourceRect->right; + + DesSizeY = DestRect->bottom; + DesSizeX = DestRect->right; + */ zoomX = DesSizeX / SrcSizeX; if (zoomX==0) zoomX=1;
@@ -650,648 +656,167 @@ 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; + /* 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++) + { + if (DesSizeY>SrcSizeY) + sy = SourceRect->top + ((DesY - DestRect->top) / zoomY); + else + sy = SourceRect->top + ((DesY - DestRect->top) * zoomY); + + if (sy > SourceRect->bottom) + sy = SourceRect->bottom; + + for (DesX=DestRect->left; DesX<DestRect->right; DesX++) + { + if (DesSizeX>SrcSizeX) + sx = SourceRect->left + ((DesX - DestRect->left) / zoomX); + else + sx = SourceRect->left + ((DesX - DestRect->left) * zoomX); + + if (sx > SourceRect->right) + sx = SourceRect->right; + + if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) + { + DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0)); + } + else + { + DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 1)); + } + } + } + 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; - - saveX = DesX + zoomX; - - if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) - for (count=DesY;count<saveY;count++) - DIB_16BPP_HLine(DestSurf, DesX, saveX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_16BPP_HLine(DestSurf, DesX, saveX, count, 1); - - } - } - } - 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; - - saveX = DesX + zoomX; - - if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) - for (count=DesY;count<saveY;count++) - DIB_16BPP_HLine(DestSurf, DesX, saveX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_16BPP_PutPixel(DestSurf, DesX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_16BPP_PutPixel(DestSurf, DesX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_16BPP_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_16BPP_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_16BPP_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_16BPP_PutPixel(DestSurf, DesX, count, color); - } - } - } - } - break; - + /* 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++) + { + if (DesSizeY>SrcSizeY) + sy = SourceRect->top + ((DesY - DestRect->top) / zoomY); + else + sy = SourceRect->top + ((DesY - DestRect->top) * zoomY); + + if (sy > SourceRect->bottom) + sy = SourceRect->bottom; + + for (DesX=DestRect->left; DesX<DestRect->right; DesX++) + { + if (DesSizeX>SrcSizeX) + sx = SourceRect->left + ((DesX - DestRect->left) / zoomX); + else + sx = SourceRect->left + ((DesX - DestRect->left) * zoomX); + + if (sx > SourceRect->right) + sx = SourceRect->right; + + color = DIB_4BPP_GetPixel(SourceSurf, sx, sy); + DIB_16BPP_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 */ - 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 */ + + for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++) + { + if (DesSizeY>SrcSizeY) + sy = SourceRect->top + ((DesY - DestRect->top) / zoomY); + else + sy = SourceRect->top + ((DesY - DestRect->top) * zoomY); + + if (sy > SourceRect->bottom) + sy = SourceRect->bottom; + + for (DesX=DestRect->left; DesX<DestRect->right; DesX++) + { + if (DesSizeX>SrcSizeX) + sx = SourceRect->left + ((DesX - DestRect->left) / zoomX); + else + sx = SourceRect->left + ((DesX - DestRect->left) * zoomX); + + if (sx > SourceRect->right) + sx = SourceRect->right; + + color = DIB_8BPP_GetPixel(SourceSurf, sx, sy); + DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); + } + } + break;
- saveY = DesY+zoomY; + 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++) + { + if (DesSizeY>SrcSizeY) + sy = SourceRect->top + ((DesY - DestRect->top) / zoomY); + else + sy = SourceRect->top + ((DesY - DestRect->top) * zoomY); + + if (sy > SourceRect->bottom) + sy = SourceRect->bottom; + + for (DesX=DestRect->left; DesX<DestRect->right; DesX++) + { + if (DesSizeX>SrcSizeX) + sx = SourceRect->left + ((DesX - DestRect->left) / zoomX); + else + sx = SourceRect->left + ((DesX - DestRect->left) * zoomX); + + if (sx > SourceRect->right) + sx = SourceRect->right; + + color = DIB_24BPP_GetPixel(SourceSurf, sx, sy); + DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); + } + } + 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_8BPP_GetPixel(SourceSurf, sx, sy)); - - saveX = DesX + zoomX; - for (count=DesY;count<saveY;count++) - DIB_16BPP_HLine(DestSurf, DesX, saveX, count, color); - } - } - } - else - { - /* Draw one Hline on X - Led to the Des Zoom Out*/ + 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++) + { + if (DesSizeY>SrcSizeY) + sy = SourceRect->top + ((DesY - DestRect->top) / zoomY); + else + sy = SourceRect->top + ((DesY - DestRect->top) * zoomY); + + if (sy > SourceRect->bottom) + sy = SourceRect->bottom; + + for (DesX=DestRect->left; DesX<DestRect->right; DesX++) + { + if (DesSizeX>SrcSizeX) + sx = SourceRect->left + ((DesX - DestRect->left) / zoomX); + else + sx = SourceRect->left + ((DesX - DestRect->left) * zoomX); + + if (sx > SourceRect->right) + sx = SourceRect->right; + + color = DIB_32BPP_GetPixel(SourceSurf, sx, sy); + DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); + } + } + 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; - - color = XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy)); - - saveX = DesX + zoomX; - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_16BPP_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_16BPP_PutPixel(DestSurf, DesX, count, color); - } - } - } - } - break; - case BMF_16BPP: return ScaleRectAvg16(DestSurf, SourceSurf, DestRect, SourceRect, MaskOrigin, BrushOrigin, ClipRegion, ColorTranslation, Mode); 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_16BPP_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_16BPP_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_16BPP_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_16BPP_PutPixel(DestSurf, DesX, count, color); - } - } - } - } - break; - - case BMF_32BPP: - /* 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_32BPP_GetPixel(SourceSurf, sx, sy)); - - saveX = DesX + zoomX; - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_32BPP_GetPixel(SourceSurf, sx, sy)); - - saveX = DesX + zoomX; - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_32BPP_GetPixel(SourceSurf, sx, sy)); - - for (count=DesY;count<saveY;count++) - DIB_16BPP_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_32BPP_GetPixel(SourceSurf, sx, sy)); - - for (count=DesY;count<saveY;count++) - DIB_16BPP_PutPixel(DestSurf, DesX, count, color); - } - } - } - } - break; - - break; - default: DPRINT1("DIB_16BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat)); return FALSE;
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