fix new strechblt code for dib32, left todo dib1, dib4, dib24 Modified: trunk/reactos/subsys/win32k/dib/dib32bpp.c _____
Modified: trunk/reactos/subsys/win32k/dib/dib32bpp.c --- 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);
-
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