[greatlrd] 20546: addding new streach code for dib8, left to add it is dib1, dib4, dib24, dib32
addding new streach code for dib8, left to add it is dib1, dib4, dib24, dib32 Modified: trunk/reactos/subsys/win32k/dib/dib16bpp.c Modified: trunk/reactos/subsys/win32k/dib/dib8bpp.c _____
Modified: trunk/reactos/subsys/win32k/dib/dib16bpp.c --- trunk/reactos/subsys/win32k/dib/dib16bpp.c 2006-01-03 14:56:47 UTC (rev 20545) +++ trunk/reactos/subsys/win32k/dib/dib16bpp.c 2006-01-03 16:22:09 UTC (rev 20546) @@ -603,6 +603,44 @@
return TRUE; }
+/* check clib region */ +BOOLEAN CheckClipRegion(CLIPOBJ *ClipRegion, RECTL* DestRect, int DesX, int DesY) +{ + BOOLEAN status = FALSE; + PSPAN ClipSpans; + UINT ClipSpansCount; + UINT SpanIndex = 0; + + if (! ClipobjToSpans(&ClipSpans, &ClipSpansCount, ClipRegion, DestRect)) + { + return FALSE; + } + + if (0 == ClipSpansCount) + { + /* No clip spans == empty clipping region, everything clipped away */ + ASSERT(NULL == ClipSpans); + return FALSE; + } + + for (SpanIndex=0; SpanIndex<ClipSpansCount;SpanIndex++) + { + if (ClipSpans[SpanIndex].Y < DesY) + status = FALSE; + + if (ClipSpans[SpanIndex].Y+ClipSpans[SpanIndex].Height > DesY) + status = FALSE; + + if (ClipSpans[SpanIndex].X > DesX) + status = FALSE; + + if (ClipSpans[SpanIndex].X+ClipSpans[SpanIndex].Width > DesX) + status = FALSE; + } + + return status; +} + //NOTE: If you change something here, please do the same in other dibXXbpp.c files! BOOLEAN DIB_16BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf, RECTL* DestRect, RECTL *SourceRect, @@ -677,19 +715,32 @@ 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++) - { + { + BOOL UsesSource = ROP4_USES_SOURCE(mode); + BOOL UsesPattern = ROP4_USES_PATTERN(mode); + ULONG Dest; + 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_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); + { + + + sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left; + color = DIB_8BPP_GetPixel(SourceSurf, sx, sy); + Dest = DIB_16BPP_GetPixel(SourceSurf, DesX, DesY); + color = DIB_DoRop(Mode, Dest, color, 0); + + //DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); + DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); } } break; +
case BMF_24BPP: /* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */ _____
Modified: trunk/reactos/subsys/win32k/dib/dib8bpp.c --- trunk/reactos/subsys/win32k/dib/dib8bpp.c 2006-01-03 14:56:47 UTC (rev 20545) +++ trunk/reactos/subsys/win32k/dib/dib8bpp.c 2006-01-03 16:22:09 UTC (rev 20546) @@ -469,676 +469,119 @@
int DesX; int DesY; int color; - int zoomX; - int zoomY; - int count; - int saveX; - int saveY; - BOOLEAN DesIsBiggerY=FALSE;
DPRINT("DIB_8BPP_StretchBlt: Source BPP: %u, srcRect: (%d,%d)-(%d,%d), dstRect: (%d,%d)-(%d,%d)\n", BitsPerFormat(SourceSurf->iBitmapFormat), SourceRect->left, SourceRect->top, SourceRect->right, SourceRect->bottom, DestRect->left, DestRect->top, DestRect->right, DestRect->bottom);
- SrcSizeY = SourceRect->bottom - SourceRect->top; SrcSizeX = SourceRect->right - SourceRect->left;
- DesSizeY = DestRect->bottom ; - DesSizeX = DestRect->right; - - - zoomX = DesSizeX / SrcSizeX; - if (zoomX==0) zoomX=1; + DesSizeY = DestRect->bottom - DestRect->top; + DesSizeX = DestRect->right - DestRect->left;
- 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 */ + + 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_8BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0)); + } + else + { + DIB_8BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 1)); + } + } + }
- 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; - - if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) - for (count=DesY;count<saveY;count++) - DIB_8BPP_HLine(DestSurf, DesX, saveX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_8BPP_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_8BPP_HLine(DestSurf, DesX, saveX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_8BPP_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_8BPP_PutPixel(DestSurf, DesX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_8BPP_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_8BPP_PutPixel(DestSurf, DesX, count, 0); - else - for (count=DesY;count<saveY;count++) - DIB_8BPP_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; + /* 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_8BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color)); + } + } + 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_8BPP_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_8BPP_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_8BPP_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_8BPP_PutPixel(DestSurf, DesX, count, color); - } - } - } - } - break; - case BMF_8BPP: return ScaleRectAvg8(DestSurf, SourceSurf, DestRect, SourceRect, MaskOrigin, BrushOrigin, ClipRegion, ColorTranslation, Mode); 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 */ + + 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_8BPP_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++) + { + 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_8BPP_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_16BPP_GetPixel(SourceSurf, sx, sy)); - - saveX = DesX + zoomX; - for (count=DesY;count<saveY;count++) - DIB_8BPP_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++) + { + 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_8BPP_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_16BPP_GetPixel(SourceSurf, sx, sy)); - - saveX = DesX + zoomX; - for (count=DesY;count<saveY;count++) - DIB_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_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_8BPP_PutPixel(DestSurf, DesX, count, color); - } - } - } - } - break; - - default: DPRINT1("DIB_8BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat)); return FALSE;
-
greatlrd＠svn.reactos.org