+/*
+ * ReactOS W32 Subsystem
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/* $Id$ */
+
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdlib.h>
#include "../eng/objects.h"
#include "dib.h"
-VOID DIB_1BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
+VOID
+DIB_1BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
{
PBYTE addr = SurfObj->pvScan0;
}
}
-ULONG DIB_1BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
+ULONG
+DIB_1BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
{
PBYTE addr = SurfObj->pvScan0 + y * SurfObj->lDelta + (x >> 3);
return (*addr & mask1Bpp[x % 8] ? 1 : 0);
}
-VOID DIB_1BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
+VOID
+DIB_1BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
{
while(x1 < x2) {
DIB_1BPP_PutPixel(SurfObj, x1, y, c);
}
}
-VOID DIB_1BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
+VOID
+DIB_1BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
{
while(y1 < y2) {
DIB_1BPP_PutPixel(SurfObj, x, y1, c);
}
}
-BOOLEAN DIB_1BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- SURFGDI *DestGDI, SURFGDI *SourceGDI,
- PRECTL DestRect, POINTL *SourcePoint,
- XLATEOBJ *ColorTranslation)
+BOOLEAN
+DIB_1BPP_BitBltSrcCopy(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
+ SURFGDI *DestGDI, SURFGDI *SourceGDI,
+ PRECTL DestRect, POINTL *SourcePoint,
+ XLATEOBJ *ColorTranslation)
{
LONG i, j, sx, sy = SourcePoint->y;
switch(SourceGDI->BitsPerPixel)
{
case 1:
- for (j=DestRect->top; j<DestRect->bottom; j++)
- {
- sx = SourcePoint->x;
- for (i=DestRect->left; i<DestRect->right; i++)
- {
- if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- {
- DIB_1BPP_PutPixel(DestSurf, i, j, 0);
- } else {
- DIB_1BPP_PutPixel(DestSurf, i, j, 1);
- }
- sx++;
- }
- sy++;
- }
+ if (DestRect->top < SourcePoint->y)
+ {
+ for (j = DestRect->top; j < DestRect->bottom; j++)
+ {
+ if (DestRect->left < SourcePoint->x)
+ {
+ sx = SourcePoint->x;
+ for (i=DestRect->left; i<DestRect->right; i++)
+ {
+ if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 0);
+ }
+ else
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 1);
+ }
+ sx++;
+ }
+ }
+ else
+ {
+ sx = SourcePoint->x + DestRect->right - DestRect->left - 1;
+ for (i = DestRect->right - 1; DestRect->left <= i; i--)
+ {
+ if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 0);
+ }
+ else
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 1);
+ }
+ sx--;
+ }
+ }
+ sy++;
+ }
+ }
+ else
+ {
+ sy = SourcePoint->y + DestRect->bottom - DestRect->top - 1;
+ for (j = DestRect->bottom - 1; DestRect->top <= j; j--)
+ {
+ if (DestRect->left < SourcePoint->x)
+ {
+ sx = SourcePoint->x;
+ for (i=DestRect->left; i<DestRect->right; i++)
+ {
+ if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 0);
+ }
+ else
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 1);
+ }
+ sx++;
+ }
+ }
+ else
+ {
+ sx = SourcePoint->x + DestRect->right - DestRect->left - 1;
+ for (i = DestRect->right - 1; DestRect->left <= i; i--)
+ {
+ if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 0);
+ }
+ else
+ {
+ DIB_1BPP_PutPixel(DestSurf, i, j, 1);
+ }
+ sx--;
+ }
+ }
+ sy--;
+ }
+ }
break;
case 4:
return TRUE;
}
+
+BOOLEAN
+DIB_1BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
+ SURFGDI *DestGDI, SURFGDI *SourceGDI,
+ PRECTL DestRect, POINTL *SourcePoint,
+ PBRUSHOBJ Brush, PPOINTL BrushOrigin,
+ XLATEOBJ *ColorTranslation, ULONG Rop4)
+{
+ LONG i, j, k, sx, sy;
+ ULONG Dest, Source, Pattern;
+ PULONG DestBits;
+ BOOL UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
+ BOOL UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
+ LONG RoundedRight = DestRect->right - (DestRect->right & 0x7);
+
+ if (Rop4 == SRCCOPY)
+ {
+ return(DIB_1BPP_BitBltSrcCopy(DestSurf, SourceSurf, DestGDI, SourceGDI, DestRect, SourcePoint, ColorTranslation));
+ }
+ else
+ {
+ sy = SourcePoint->y;
+
+ for (j=DestRect->top; j<DestRect->bottom; j++)
+ {
+ sx = SourcePoint->x;
+ DestBits = (PULONG)(DestSurf->pvScan0 + (DestRect->left>>3) + j * DestSurf->lDelta);
+ for (i=DestRect->left; i<RoundedRight; i+=32, DestBits++)
+ {
+ Dest = *DestBits;
+ if (UsesSource)
+ {
+ Source = 0;
+ for (k = 0; k < 32; k++)
+ {
+ Source |= (DIB_GetSource(SourceSurf, SourceGDI, sx + i + k, sy, ColorTranslation) << k);
+ }
+ }
+ if (UsesPattern)
+ {
+ /* FIXME: No support for pattern brushes. */
+ Pattern = Brush->iSolidColor ? 0xFFFFFFFF : 0x00000000;
+ }
+ *DestBits = DIB_DoRop(Rop4, Dest, Source, Pattern);
+ }
+ if (i < DestRect->right)
+ {
+ Dest = *DestBits;
+ for (; i < DestRect->right; i++)
+ {
+ if (UsesSource)
+ {
+ Source = DIB_GetSource(SourceSurf, SourceGDI, sx + i, sy, ColorTranslation);
+ }
+ if (UsesPattern)
+ {
+ /* FIXME: No support for pattern brushes. */
+ Pattern = Brush->iSolidColor ? 0xFFFFFFFF : 0x00000000;
+ }
+ DIB_1BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
+ Dest >>= 1;
+ }
+ }
+ }
+ }
+ return TRUE;
+}
+
+/* EOF */
git://git.jankratochvil.net / reactos.git / blobdiff