mirror of
https://github.com/reactos/reactos.git
synced 2024-11-01 04:11:30 +00:00
381 lines
12 KiB
C
381 lines
12 KiB
C
/*
|
|
* PROJECT: Win32 subsystem
|
|
* LICENSE: See COPYING in the top level directory
|
|
* FILE: win32ss/gdi/dib/dib4bpp.c
|
|
* PURPOSE: Device Independant Bitmap functions, 4bpp
|
|
* PROGRAMMERS: Jason Filby
|
|
*/
|
|
|
|
|
|
#include <win32k.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
VOID
|
|
DIB_4BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
|
|
{
|
|
PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
|
|
*addr = (*addr & notmask[x&1]) | (BYTE)(c << ((1-(x&1))<<2));
|
|
}
|
|
|
|
ULONG
|
|
DIB_4BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
|
|
{
|
|
PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x>>1) + y * SurfObj->lDelta;
|
|
return (*addr >> ((1-(x&1))<<2)) & 0x0f;
|
|
}
|
|
|
|
VOID
|
|
DIB_4BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
|
|
{
|
|
PBYTE addr = (PBYTE)SurfObj->pvScan0 + (x1>>1) + y * SurfObj->lDelta;
|
|
LONG cx = x1;
|
|
|
|
while(cx < x2)
|
|
{
|
|
*addr = (*addr & notmask[x1&1]) | (BYTE)(c << ((1-(x1&1))<<2));
|
|
if((++x1 & 1) == 0)
|
|
++addr;
|
|
++cx;
|
|
}
|
|
}
|
|
|
|
VOID
|
|
DIB_4BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
|
|
{
|
|
PBYTE addr = SurfObj->pvScan0;
|
|
int lDelta = SurfObj->lDelta;
|
|
|
|
addr += (x>>1) + y1 * lDelta;
|
|
while(y1++ < y2)
|
|
{
|
|
*addr = (*addr & notmask[x&1]) | (BYTE)(c << ((1-(x&1))<<2));
|
|
addr += lDelta;
|
|
}
|
|
}
|
|
|
|
#ifndef _USE_DIBLIB_
|
|
BOOLEAN
|
|
DIB_4BPP_BitBltSrcCopy(PBLTINFO BltInfo)
|
|
{
|
|
LONG i, j, sx, sy, f2, xColor;
|
|
PBYTE SourceBits_24BPP, SourceLine_24BPP;
|
|
PBYTE DestBits, DestLine, SourceBits_8BPP, SourceLine_8BPP;
|
|
PBYTE SourceBits, SourceLine;
|
|
|
|
DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 +
|
|
(BltInfo->DestRect.left >> 1) +
|
|
BltInfo->DestRect.top * BltInfo->DestSurface->lDelta;
|
|
|
|
switch (BltInfo->SourceSurface->iBitmapFormat)
|
|
{
|
|
case BMF_1BPP:
|
|
sx = BltInfo->SourcePoint.x;
|
|
sy = BltInfo->SourcePoint.y;
|
|
|
|
for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
|
|
{
|
|
sx = BltInfo->SourcePoint.x;
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
if(DIB_1BPP_GetPixel(BltInfo->SourceSurface, sx, sy) == 0)
|
|
{
|
|
DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 0));
|
|
}
|
|
else
|
|
{
|
|
DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 1));
|
|
}
|
|
sx++;
|
|
}
|
|
sy++;
|
|
}
|
|
break;
|
|
|
|
case BMF_4BPP:
|
|
sy = BltInfo->SourcePoint.y;
|
|
|
|
for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
|
|
{
|
|
sx = BltInfo->SourcePoint.x;
|
|
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
if (NULL != BltInfo->XlateSourceToDest)
|
|
{
|
|
DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy)));
|
|
}
|
|
else
|
|
{
|
|
DIB_4BPP_PutPixel(BltInfo->DestSurface, i, j, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
|
|
}
|
|
sx++;
|
|
}
|
|
sy++;
|
|
}
|
|
break;
|
|
|
|
case BMF_8BPP:
|
|
SourceBits_8BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
|
|
|
|
for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceLine_8BPP = SourceBits_8BPP;
|
|
DestLine = DestBits;
|
|
f2 = BltInfo->DestRect.left & 1;
|
|
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
*DestLine = (*DestLine & notmask[f2]) |
|
|
(BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *SourceLine_8BPP)) << ((4 * (1 - f2))));
|
|
if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
|
|
SourceLine_8BPP++;
|
|
}
|
|
|
|
SourceBits_8BPP += BltInfo->SourceSurface->lDelta;
|
|
DestBits += BltInfo->DestSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
case BMF_16BPP:
|
|
SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 2 * BltInfo->SourcePoint.x;
|
|
DestLine = DestBits;
|
|
|
|
for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceBits = SourceLine;
|
|
DestBits = DestLine;
|
|
f2 = BltInfo->DestRect.left & 1;
|
|
|
|
for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = *((PWORD) SourceBits);
|
|
*DestBits = (*DestBits & notmask[f2]) |
|
|
(BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
|
|
if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
|
|
SourceBits += 2;
|
|
}
|
|
|
|
SourceLine += BltInfo->SourceSurface->lDelta;
|
|
DestLine += BltInfo->DestSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
case BMF_24BPP:
|
|
SourceBits_24BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x * 3;
|
|
|
|
for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceLine_24BPP = SourceBits_24BPP;
|
|
DestLine = DestBits;
|
|
f2 = BltInfo->DestRect.left & 1;
|
|
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = (*(SourceLine_24BPP + 2) << 0x10) +
|
|
(*(SourceLine_24BPP + 1) << 0x08) +
|
|
(*(SourceLine_24BPP));
|
|
*DestLine = (*DestLine & notmask[f2]) |
|
|
(BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
|
|
if(f2 == 1) { DestLine++; f2 = 0; } else { f2 = 1; }
|
|
SourceLine_24BPP+=3;
|
|
}
|
|
|
|
SourceBits_24BPP += BltInfo->SourceSurface->lDelta;
|
|
DestBits += BltInfo->DestSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
case BMF_32BPP:
|
|
SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 4 * BltInfo->SourcePoint.x;
|
|
DestLine = DestBits;
|
|
|
|
for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceBits = SourceLine;
|
|
DestBits = DestLine;
|
|
f2 = BltInfo->DestRect.left & 1;
|
|
|
|
for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = *((PDWORD) SourceBits);
|
|
*DestBits = (*DestBits & notmask[f2]) |
|
|
(BYTE)((XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor)) << ((4 * (1 - f2))));
|
|
if(f2 == 1) { DestBits++; f2 = 0; } else { f2 = 1; }
|
|
SourceBits += 4;
|
|
}
|
|
|
|
SourceLine += BltInfo->SourceSurface->lDelta;
|
|
DestLine += BltInfo->DestSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DbgPrint("DIB_4BPP_Bitblt: Unhandled Source BPP: %u\n", BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
|
|
return FALSE;
|
|
}
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOLEAN
|
|
DIB_4BPP_BitBlt(PBLTINFO BltInfo)
|
|
{
|
|
LONG DestX, DestY;
|
|
LONG SourceX, SourceY;
|
|
LONG PatternY = 0;
|
|
ULONG Dest, Source = 0, Pattern = 0;
|
|
BOOLEAN UsesSource;
|
|
BOOLEAN UsesPattern;
|
|
PULONG DestBits;
|
|
LONG RoundedRight;
|
|
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 */,
|
|
};
|
|
|
|
UsesSource = ROP4_USES_SOURCE(BltInfo->Rop4);
|
|
UsesPattern = ROP4_USES_PATTERN(BltInfo->Rop4);
|
|
|
|
SourceY = BltInfo->SourcePoint.y;
|
|
RoundedRight = BltInfo->DestRect.right -
|
|
((BltInfo->DestRect.right - BltInfo->DestRect.left) & 0x7);
|
|
|
|
if (UsesPattern)
|
|
{
|
|
if (BltInfo->PatternSurface)
|
|
{
|
|
PatternY = (BltInfo->DestRect.top + BltInfo->BrushOrigin.y) %
|
|
BltInfo->PatternSurface->sizlBitmap.cy;
|
|
}
|
|
else
|
|
{
|
|
if (BltInfo->Brush)
|
|
Pattern = ExpandSolidColor[BltInfo->Brush->iSolidColor];
|
|
}
|
|
}
|
|
|
|
for (DestY = BltInfo->DestRect.top; DestY < BltInfo->DestRect.bottom; DestY++)
|
|
{
|
|
DestBits = (PULONG)(
|
|
(PBYTE)BltInfo->DestSurface->pvScan0 +
|
|
(BltInfo->DestRect.left >> 1) +
|
|
DestY * BltInfo->DestSurface->lDelta);
|
|
SourceX = BltInfo->SourcePoint.x;
|
|
DestX = BltInfo->DestRect.left;
|
|
|
|
if (DestX & 0x1)
|
|
{
|
|
Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
|
|
|
|
if (UsesSource)
|
|
{
|
|
Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
|
|
}
|
|
|
|
if (BltInfo->PatternSurface)
|
|
{
|
|
Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
|
|
}
|
|
|
|
DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
|
|
|
|
DestX++;
|
|
SourceX++;
|
|
DestBits = (PULONG)((ULONG_PTR)DestBits + 1);
|
|
}
|
|
|
|
for (; DestX < RoundedRight; DestX += 8, SourceX += 8, DestBits++)
|
|
{
|
|
Dest = *DestBits;
|
|
if (UsesSource)
|
|
{
|
|
Source =
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 1, SourceY, BltInfo->XlateSourceToDest)) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 0, SourceY, BltInfo->XlateSourceToDest) << 4) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 3, SourceY, BltInfo->XlateSourceToDest) << 8) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 2, SourceY, BltInfo->XlateSourceToDest) << 12) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 5, SourceY, BltInfo->XlateSourceToDest) << 16) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 4, SourceY, BltInfo->XlateSourceToDest) << 20) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 7, SourceY, BltInfo->XlateSourceToDest) << 24) |
|
|
(DIB_GetSource(BltInfo->SourceSurface, SourceX + 6, SourceY, BltInfo->XlateSourceToDest) << 28);
|
|
}
|
|
if (BltInfo->PatternSurface)
|
|
{
|
|
Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 1) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 0) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 4;
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 3) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 8;
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 2) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 12;
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 5) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 16;
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 4) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 20;
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 7) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 24;
|
|
Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + 6) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << 28;
|
|
}
|
|
*DestBits = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern);
|
|
}
|
|
|
|
/* Process the rest of pixel on the line */
|
|
for (; DestX < BltInfo->DestRect.right; DestX++, SourceX++)
|
|
{
|
|
Dest = DIB_4BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
|
|
if (UsesSource)
|
|
{
|
|
Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
|
|
}
|
|
if (BltInfo->PatternSurface)
|
|
{
|
|
Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
|
|
}
|
|
DIB_4BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
|
|
}
|
|
|
|
SourceY++;
|
|
if (BltInfo->PatternSurface)
|
|
{
|
|
PatternY++;
|
|
PatternY %= BltInfo->PatternSurface->sizlBitmap.cy;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* BitBlt Optimize */
|
|
BOOLEAN
|
|
DIB_4BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
|
|
{
|
|
LONG DestY;
|
|
|
|
for (DestY = DestRect->top; DestY < DestRect->bottom; DestY++)
|
|
{
|
|
DIB_4BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
|
|
}
|
|
return TRUE;
|
|
}
|
|
#endif // !_USE_DIBLIB_
|
|
|
|
BOOLEAN
|
|
DIB_4BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
|
|
RECTL* DestRect, RECTL *SourceRect,
|
|
XLATEOBJ *ColorTranslation, ULONG iTransColor)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/* EOF */
|