[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
2 Jan
2006
2 Jan
'06
7:01 p.m.
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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