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https://github.com/reactos/reactos.git
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- Fixed algorithm for 4BPP bitblts with ROP != SRCCOPY
- Minor coordinate correction for software mouse pointer emulation svn path=/trunk/; revision=8087
This commit is contained in:
Filip Navara
parent
2a78934eed
commit
2535445a70
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: dib4bpp.c,v 1.22 2003/12/08 18:05:30 fireball Exp $ */
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/* $Id: dib4bpp.c,v 1.23 2004/02/08 09:27:39 navaraf Exp $ */
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#undef WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <stdlib.h>
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@ -239,14 +239,14 @@ DIB_4BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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PBRUSHOBJ Brush, PPOINTL BrushOrigin,
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XLATEOBJ *ColorTranslation, ULONG Rop4)
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{
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LONG i, j, k, sx, sy;
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ULONG Dest, Source, Pattern;
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PULONG DestBits;
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BOOL UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
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BOOL UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
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LONG RoundedRight = DestRect->right - ((DestRect->right - DestRect->left) & 0x7);
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static const ULONG ExpandSolidColor[16] =
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{
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LONG i, j, sx, sy;
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ULONG Dest, Source, Pattern;
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PULONG DestBits;
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BOOL UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
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BOOL UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
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LONG RoundedRight = DestRect->right - ((DestRect->right - DestRect->left) & 0x7);
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static const ULONG ExpandSolidColor[16] =
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{
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0x00000000 /* 0 */,
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0x11111111 /* 1 */,
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0x22222222 /* 2 */,
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@ -263,61 +263,79 @@ DIB_4BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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0xDDDDDDDD /* 13 */,
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0xEEEEEEEE /* 14 */,
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0xFFFFFFFF /* 15 */,
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};
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};
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if (Rop4 == SRCCOPY)
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{
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if (Rop4 == SRCCOPY)
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{
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return(DIB_4BPP_BitBltSrcCopy(DestSurf, SourceSurf, DestGDI, SourceGDI, DestRect, SourcePoint, ColorTranslation));
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}
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else
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{
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}
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else
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{
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sy = SourcePoint->y;
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for (j=DestRect->top; j<DestRect->bottom; j++)
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for (j = DestRect->top; j < DestRect->bottom; j++, sy++)
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{
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sx = SourcePoint->x;
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DestBits = (PULONG)(DestSurf->pvScan0 + (DestRect->left>>1) + j * DestSurf->lDelta);
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for (i=DestRect->left; i<RoundedRight; i+=8, DestBits++)
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{
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Dest = *DestBits;
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if (UsesSource)
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{
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Source = 0;
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for (k = 0; k < 8; k += 2)
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{
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Source |= (DIB_GetSource(SourceSurf, SourceGDI, sx + (i - DestRect->left) + k, sy, ColorTranslation) << ((k + 1) * 4))
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| (DIB_GetSource(SourceSurf, SourceGDI, sx + (i - DestRect->left) + k + 1, sy, ColorTranslation) << (k * 4));
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}
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}
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if (UsesPattern)
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{
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/* FIXME: No support for pattern brushes. */
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Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
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}
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*DestBits = DIB_DoRop(Rop4, Dest, Source, Pattern);
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}
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if (i < DestRect->right)
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{
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Dest = *DestBits;
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for (; i < DestRect->right; i++)
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{
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if (UsesSource)
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{
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Source = DIB_GetSource(SourceSurf, SourceGDI, sx + (i - DestRect->left), sy, ColorTranslation);
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}
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if (UsesPattern)
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{
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/* FIXME: No support for pattern brushes. */
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Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
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}
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DIB_4BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
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Dest >>= 4;
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}
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}
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sy++;
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DestBits = (PULONG)(DestSurf->pvScan0 + (DestRect->left >> 1) + j * DestSurf->lDelta);
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sx = SourcePoint->x;
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/* Process all pixels on the left that aren't DWORD aligned */
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for (i = DestRect->left; i & 0x7; i++, sx++)
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{
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Dest = DIB_4BPP_GetPixel(DestSurf, i, j);
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if (UsesSource)
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{
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Source = DIB_GetSource(SourceSurf, SourceGDI, sx, sy, ColorTranslation);
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}
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if (UsesPattern)
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{
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/* FIXME: No support for pattern brushes. */
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Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
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}
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DIB_4BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
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}
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/* Process all DWORD aligned pixels */
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for (; i < RoundedRight; i += 8, sx += 8, DestBits++)
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{
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Dest = *DestBits;
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if (UsesSource)
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{
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Source =
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 1, sy, ColorTranslation)) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 0, sy, ColorTranslation) << 4) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 3, sy, ColorTranslation) << 8) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 2, sy, ColorTranslation) << 12) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 5, sy, ColorTranslation) << 16) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 4, sy, ColorTranslation) << 20) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 7, sy, ColorTranslation) << 24) |
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(DIB_GetSource(SourceSurf, SourceGDI, sx + 6, sy, ColorTranslation) << 28);
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}
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if (UsesPattern)
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{
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/* FIXME: No support for pattern brushes. */
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Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
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}
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*DestBits = DIB_DoRop(Rop4, Dest, Source, Pattern);
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}
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/* Process the rest of pixel on the line */
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for (; i < DestRect->right; i++, sx++)
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{
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Dest = DIB_4BPP_GetPixel(DestSurf, i, j);
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if (UsesSource)
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{
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Source = DIB_GetSource(SourceSurf, SourceGDI, sx, sy, ColorTranslation);
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}
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if (UsesPattern)
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{
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/* FIXME: No support for pattern brushes. */
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Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
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}
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DIB_4BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
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}
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}
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}
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return TRUE;
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}
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return TRUE;
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}
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BOOLEAN DIB_4BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: mouse.c,v 1.59 2004/02/06 21:12:55 navaraf Exp $
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/* $Id: mouse.c,v 1.60 2004/02/08 09:27:39 navaraf Exp $
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*
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* PROJECT: ReactOS kernel
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* PURPOSE: Mouse
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@ -566,10 +566,10 @@ IntHideMousePointer(GDIDEVICE *ppdev, SURFOBJ *DestSurface)
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DestRect.top = max(ppdev->PointerAttributes.Row, 0);
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DestRect.right = min(
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ppdev->PointerAttributes.Column + ppdev->PointerAttributes.Width,
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DestSurface->sizlBitmap.cx - 1);
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DestSurface->sizlBitmap.cx);
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DestRect.bottom = min(
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ppdev->PointerAttributes.Row + ppdev->PointerAttributes.Height,
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DestSurface->sizlBitmap.cy - 1);
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DestSurface->sizlBitmap.cy);
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SrcPoint.x = max(-ppdev->PointerAttributes.Column, 0);
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SrcPoint.y = max(-ppdev->PointerAttributes.Row, 0);
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@ -610,10 +610,10 @@ IntShowMousePointer(GDIDEVICE *ppdev, SURFOBJ *DestSurface)
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DestRect.top = SrcPoint.y - ppdev->PointerAttributes.Row;
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DestRect.right = min(
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ppdev->PointerAttributes.Width,
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DestSurface->sizlBitmap.cx - ppdev->PointerAttributes.Column - 1);
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DestSurface->sizlBitmap.cx - ppdev->PointerAttributes.Column);
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DestRect.bottom = min(
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ppdev->PointerAttributes.Height,
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DestSurface->sizlBitmap.cy - ppdev->PointerAttributes.Row - 1);
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DestSurface->sizlBitmap.cy - ppdev->PointerAttributes.Row);
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SaveSurface = EngLockSurface(ppdev->PointerSaveSurface);
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EngBitBlt(SaveSurface, DestSurface, NULL, NULL, NULL,
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@ -635,10 +635,10 @@ IntShowMousePointer(GDIDEVICE *ppdev, SURFOBJ *DestSurface)
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DestRect.top = max(ppdev->PointerAttributes.Row, 0);
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DestRect.right = min(
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ppdev->PointerAttributes.Column + ppdev->PointerAttributes.Width,
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DestSurface->sizlBitmap.cx - 1);
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DestSurface->sizlBitmap.cx);
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DestRect.bottom = min(
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ppdev->PointerAttributes.Row + ppdev->PointerAttributes.Height,
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DestSurface->sizlBitmap.cy - 1);
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DestSurface->sizlBitmap.cy);
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SrcPoint.x = max(-ppdev->PointerAttributes.Column, 0);
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SrcPoint.y = max(-ppdev->PointerAttributes.Row, 0);
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