+/*
+ * 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_4BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
+VOID
+DIB_4BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
{
PBYTE addr = SurfObj->pvScan0;
*addr = (*addr & notmask[x&1]) | (c << ((1-(x&1))<<2));
}
-ULONG DIB_4BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
+ULONG
+DIB_4BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
{
PBYTE addr = SurfObj->pvScan0;
return (addr[(x>>1) + y * SurfObj->lDelta] >> ((1-(x&1))<<2) ) & 0x0f;
}
-VOID DIB_4BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
+VOID
+DIB_4BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
{
PBYTE addr = SurfObj->pvScan0 + (x1>>1) + y * SurfObj->lDelta;
LONG cx = x1;
}
}
-VOID DIB_4BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
+VOID
+DIB_4BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
{
PBYTE addr = SurfObj->pvScan0;
int lDelta = SurfObj->lDelta;
}
}
-BOOLEAN DIB_4BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- SURFGDI *DestGDI, SURFGDI *SourceGDI,
- PRECTL DestRect, POINTL *SourcePoint,
- XLATEOBJ *ColorTranslation)
+BOOLEAN STATIC
+DIB_4BPP_BitBltSrcCopy(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
+ SURFGDI *DestGDI, SURFGDI *SourceGDI,
+ PRECTL DestRect, POINTL *SourcePoint,
+ XLATEOBJ* ColorTranslation)
{
- LONG i, j, sx, sy, f1, f2, xColor;
+ LONG i, j, sx, sy, f2, xColor;
PBYTE SourceBits_24BPP, SourceLine_24BPP;
PBYTE DestBits, DestLine, SourceBits_8BPP, SourceLine_8BPP;
PBYTE SourceBits, SourceLine;
for (i=DestRect->left; i<DestRect->right; i++)
{
- DIB_4BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy)));
+ if (NULL != ColorTranslation)
+ {
+ DIB_4BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy)));
+ }
+ else
+ {
+ DIB_4BPP_PutPixel(DestSurf, i, j, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
+ }
sx++;
}
sy++;
DbgPrint("DIB_4BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);
return FALSE;
}
+ return(TRUE);
+}
+
+BOOLEAN
+DIB_4BPP_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);
+ static const ULONG ExpandSolidColor[16] =
+ {
+ 0x00000000 /* 0 */,
+ 0x11111111 /* 1 */,
+ 0x22222222 /* 2 */,
+ 0x33333333 /* 3 */,
+ 0x44444444 /* 4 */,
+ 0x55555555 /* 5 */,
+ 0x66666666 /* 6 */,
+ 0x77777777 /* 7 */,
+ 0x88888888 /* 8 */,
+ 0x99999999 /* 9 */,
+ 0xAAAAAAAA /* 10 */,
+ 0xBBBBBBBB /* 11 */,
+ 0xCCCCCCCC /* 12 */,
+ 0xDDDDDDDD /* 13 */,
+ 0xEEEEEEEE /* 14 */,
+ 0xFFFFFFFF /* 15 */,
+ };
+
+ if (Rop4 == SRCCOPY)
+ {
+ return(DIB_4BPP_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>>1) + j * DestSurf->lDelta);
+ for (i=DestRect->left; i<RoundedRight; i+=8, DestBits++)
+ {
+ Dest = *DestBits;
+ if (UsesSource)
+ {
+ Source = 0;
+ for (k = 0; k < 8; k++)
+ {
+ Source |= (DIB_GetSource(SourceSurf, SourceGDI, sx + i + k, sy, ColorTranslation) << (k * 4));
+ }
+ }
+ if (UsesPattern)
+ {
+ /* FIXME: No support for pattern brushes. */
+ Pattern = ExpandSolidColor[Brush->iSolidColor & 0xF];
+ }
+ *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 = ExpandSolidColor[Brush->iSolidColor & 0xF];
+ }
+ DIB_4BPP_PutPixel(DestSurf, i, j, DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xF);
+ Dest >>= 4;
+ }
+ }
+ }
+ }
return TRUE;
}
+/* EOF */