[greatlrd] 20546: addding new streach code for dib8, left to add it is dib1, dib4, dib24, dib32
3 Jan
2006
3 Jan
'06
4:22 p.m.
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;
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greatlrd＠svn.reactos.org