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addding new streach code for dib8, left to add it is dib1, dib4, dib24, dib32

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svn path=/trunk/; revision=20546
This commit is contained in:
Magnus Olsen 2006-01-03 16:22:09 +00:00
parent 02b247cca6
commit 05d9ad7068
2 changed files with 143 additions and 649 deletions
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61
reactos/subsys/win32k/dib/dib16bpp.c
View file

@ -603,6 +603,44 @@ BOOLEAN ScaleRectAvg16(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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 @@ BOOLEAN DIB_16BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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 ? */

731
reactos/subsys/win32k/dib/dib8bpp.c
View file

@ -469,297 +469,60 @@ BOOLEAN DIB_8BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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;
zoomY = DesSizeY / SrcSizeY;
if (zoomY==0) zoomY=1;
if (DesSizeY>SrcSizeY)
DesIsBiggerY = TRUE;
DesSizeY = DestRect->bottom - DestRect->top;
DesSizeX = DestRect->right - DestRect->left;
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;
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;
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_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;
/* 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;
case BMF_8BPP:
return ScaleRectAvg8(DestSurf, SourceSurf, DestRect, SourceRect, MaskOrigin, BrushOrigin,
@ -767,376 +530,56 @@ BOOLEAN DIB_8BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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: