mirror of
https://github.com/reactos/reactos.git
synced 2024-11-10 00:34:39 +00:00
365 lines
12 KiB
C
365 lines
12 KiB
C
/*
|
|
* PROJECT: Win32 subsystem
|
|
* LICENSE: See COPYING in the top level directory
|
|
* FILE: subsystems/win32/win32k/dib/dib8bpp.c
|
|
* PURPOSE: Device Independant Bitmap functions, 8bpp
|
|
* PROGRAMMERS: Jason Filby
|
|
* Thomas Bluemel
|
|
* Gregor Anich
|
|
*/
|
|
|
|
#include <win32k.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
VOID
|
|
DIB_8BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
|
|
{
|
|
PBYTE byteaddr = (PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta + x;
|
|
|
|
*byteaddr = c;
|
|
}
|
|
|
|
ULONG
|
|
DIB_8BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
|
|
{
|
|
PBYTE byteaddr = (PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta + x;
|
|
|
|
return (ULONG)(*byteaddr);
|
|
}
|
|
|
|
VOID
|
|
DIB_8BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
|
|
{
|
|
memset((PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta + x1, (BYTE) c, x2 - x1);
|
|
}
|
|
|
|
VOID
|
|
DIB_8BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
|
|
{
|
|
PBYTE byteaddr = (PBYTE)SurfObj->pvScan0 + y1 * SurfObj->lDelta;
|
|
PBYTE addr = byteaddr + x;
|
|
LONG lDelta = SurfObj->lDelta;
|
|
|
|
byteaddr = addr;
|
|
while(y1++ < y2)
|
|
{
|
|
*addr = c;
|
|
|
|
addr += lDelta;
|
|
}
|
|
}
|
|
|
|
BOOLEAN
|
|
DIB_8BPP_BitBltSrcCopy(PBLTINFO BltInfo)
|
|
{
|
|
LONG i, j, sx, sy, xColor, f1;
|
|
PBYTE SourceBits, DestBits, SourceLine, DestLine;
|
|
PBYTE SourceBits_4BPP, SourceLine_4BPP;
|
|
|
|
DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 + (BltInfo->DestRect.top * BltInfo->DestSurface->lDelta) + BltInfo->DestRect.left;
|
|
|
|
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_8BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 0));
|
|
}
|
|
else
|
|
{
|
|
DIB_8BPP_PutPixel(BltInfo->DestSurface, i, j, XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 1));
|
|
}
|
|
sx++;
|
|
}
|
|
sy++;
|
|
}
|
|
break;
|
|
|
|
case BMF_4BPP:
|
|
SourceBits_4BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + (BltInfo->SourcePoint.x >> 1);
|
|
|
|
for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceLine_4BPP = SourceBits_4BPP;
|
|
sx = BltInfo->SourcePoint.x;
|
|
f1 = sx & 1;
|
|
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest,
|
|
(*SourceLine_4BPP & altnotmask[f1]) >> (4 * (1 - f1)));
|
|
DIB_8BPP_PutPixel(BltInfo->DestSurface, i, j, xColor);
|
|
if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; }
|
|
sx++;
|
|
}
|
|
|
|
SourceBits_4BPP += BltInfo->SourceSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
case BMF_8BPP:
|
|
if (NULL == BltInfo->XlateSourceToDest || 0 != (BltInfo->XlateSourceToDest->flXlate & XO_TRIVIAL))
|
|
{
|
|
if (BltInfo->DestRect.top < BltInfo->SourcePoint.y)
|
|
{
|
|
SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
|
|
for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
|
|
{
|
|
RtlMoveMemory(DestBits, SourceBits, BltInfo->DestRect.right - BltInfo->DestRect.left);
|
|
SourceBits += BltInfo->SourceSurface->lDelta;
|
|
DestBits += BltInfo->DestSurface->lDelta;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 + ((BltInfo->SourcePoint.y + BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
|
|
DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 + ((BltInfo->DestRect.bottom - 1) * BltInfo->DestSurface->lDelta) + BltInfo->DestRect.left;
|
|
for (j = BltInfo->DestRect.bottom - 1; BltInfo->DestRect.top <= j; j--)
|
|
{
|
|
RtlMoveMemory(DestBits, SourceBits, BltInfo->DestRect.right - BltInfo->DestRect.left);
|
|
SourceBits -= BltInfo->SourceSurface->lDelta;
|
|
DestBits -= BltInfo->DestSurface->lDelta;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (BltInfo->DestRect.top < BltInfo->SourcePoint.y)
|
|
{
|
|
SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
|
|
DestLine = DestBits;
|
|
for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceBits = SourceLine;
|
|
DestBits = DestLine;
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
*DestBits++ = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *SourceBits++);
|
|
}
|
|
SourceLine += BltInfo->SourceSurface->lDelta;
|
|
DestLine += BltInfo->DestSurface->lDelta;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + ((BltInfo->SourcePoint.y + BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) * BltInfo->SourceSurface->lDelta) + BltInfo->SourcePoint.x;
|
|
DestLine = (PBYTE)BltInfo->DestSurface->pvScan0 + ((BltInfo->DestRect.bottom - 1) * BltInfo->DestSurface->lDelta) + BltInfo->DestRect.left;
|
|
for (j = BltInfo->DestRect.bottom - 1; BltInfo->DestRect.top <= j; j--)
|
|
{
|
|
SourceBits = SourceLine;
|
|
DestBits = DestLine;
|
|
for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
|
|
{
|
|
*DestBits++ = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *SourceBits++);
|
|
}
|
|
SourceLine -= BltInfo->SourceSurface->lDelta;
|
|
DestLine -= 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;
|
|
|
|
for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = *((PWORD) SourceBits);
|
|
*DestBits = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor);
|
|
SourceBits += 2;
|
|
DestBits += 1;
|
|
}
|
|
|
|
SourceLine += BltInfo->SourceSurface->lDelta;
|
|
DestLine += BltInfo->DestSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
case BMF_24BPP:
|
|
SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) + 3 * BltInfo->SourcePoint.x;
|
|
DestLine = DestBits;
|
|
|
|
for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
|
|
{
|
|
SourceBits = SourceLine;
|
|
DestBits = DestLine;
|
|
|
|
for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = (*(SourceBits + 2) << 0x10) +
|
|
(*(SourceBits + 1) << 0x08) +
|
|
(*(SourceBits));
|
|
*DestBits = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor);
|
|
SourceBits += 3;
|
|
DestBits += 1;
|
|
}
|
|
|
|
SourceLine += BltInfo->SourceSurface->lDelta;
|
|
DestLine += 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;
|
|
|
|
for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
|
|
{
|
|
xColor = *((PDWORD) SourceBits);
|
|
*DestBits = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, xColor);
|
|
SourceBits += 4;
|
|
DestBits += 1;
|
|
}
|
|
|
|
SourceLine += BltInfo->SourceSurface->lDelta;
|
|
DestLine += BltInfo->DestSurface->lDelta;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DPRINT1("DIB_8BPP_Bitblt: Unhandled Source BPP: %u\n", BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* BitBlt Optimize */
|
|
BOOLEAN
|
|
DIB_8BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
|
|
{
|
|
ULONG DestY;
|
|
for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
|
|
{
|
|
DIB_8BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
DIB_8BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
|
|
RECTL* DestRect, RECTL *SourceRect,
|
|
XLATEOBJ *ColorTranslation, ULONG iTransColor)
|
|
{
|
|
ULONG RoundedRight, X, Y, SourceX = 0, SourceY = 0, Source, Dest;
|
|
ULONG *DestBits;
|
|
|
|
LONG DstHeight;
|
|
LONG DstWidth;
|
|
LONG SrcHeight;
|
|
LONG SrcWidth;
|
|
|
|
DstHeight = DestRect->bottom - DestRect->top;
|
|
DstWidth = DestRect->right - DestRect->left;
|
|
SrcHeight = SourceRect->bottom - SourceRect->top;
|
|
SrcWidth = SourceRect->right - SourceRect->left;
|
|
|
|
RoundedRight = DestRect->right - ((DestRect->right - DestRect->left) & 0x3);
|
|
DestBits = (ULONG*)((PBYTE)DestSurf->pvScan0 + DestRect->left +
|
|
(DestRect->top * DestSurf->lDelta));
|
|
|
|
for(Y = DestRect->top; Y < DestRect->bottom; Y++)
|
|
{
|
|
DestBits = (ULONG*)((PBYTE)DestSurf->pvScan0 + DestRect->left +
|
|
(Y * DestSurf->lDelta));
|
|
SourceY = SourceRect->top+(Y - DestRect->top) * SrcHeight / DstHeight;
|
|
for (X = DestRect->left; X < RoundedRight; X += 4, DestBits++)
|
|
{
|
|
Dest = *DestBits;
|
|
|
|
SourceX = SourceRect->left+(X - DestRect->left) * SrcWidth / DstWidth;
|
|
if (SourceX >= 0 && SourceY >= 0 &&
|
|
SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
|
|
{
|
|
Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
|
|
if(Source != iTransColor)
|
|
{
|
|
Dest &= 0xFFFFFF00;
|
|
Dest |= (XLATEOBJ_iXlate(ColorTranslation, Source) & 0xFF);
|
|
}
|
|
}
|
|
|
|
SourceX = SourceRect->left+(X+1 - DestRect->left) * SrcWidth / DstWidth;
|
|
if (SourceX >= 0 && SourceY >= 0 &&
|
|
SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
|
|
{
|
|
Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
|
|
if(Source != iTransColor)
|
|
{
|
|
Dest &= 0xFFFF00FF;
|
|
Dest |= ((XLATEOBJ_iXlate(ColorTranslation, Source) << 8) & 0xFF00);
|
|
}
|
|
}
|
|
|
|
SourceX = SourceRect->left+(X+2 - DestRect->left) * SrcWidth / DstWidth;
|
|
if (SourceX >= 0 && SourceY >= 0 &&
|
|
SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
|
|
{
|
|
Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
|
|
if(Source != iTransColor)
|
|
{
|
|
Dest &= 0xFF00FFFF;
|
|
Dest |= ((XLATEOBJ_iXlate(ColorTranslation, Source) << 16) & 0xFF0000);
|
|
}
|
|
}
|
|
|
|
SourceX = SourceRect->left+(X+3 - DestRect->left) * SrcWidth / DstWidth;
|
|
if (SourceX >= 0 && SourceY >= 0 &&
|
|
SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
|
|
{
|
|
Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
|
|
if(Source != iTransColor)
|
|
{
|
|
Dest &= 0x00FFFFFF;
|
|
Dest |= ((XLATEOBJ_iXlate(ColorTranslation, Source) << 24) & 0xFF000000);
|
|
}
|
|
}
|
|
|
|
*DestBits = Dest;
|
|
}
|
|
|
|
if(X < DestRect->right)
|
|
{
|
|
for (; X < DestRect->right; X++)
|
|
{
|
|
SourceX = SourceRect->left+(X - DestRect->left) * SrcWidth / DstWidth;
|
|
if (SourceX >= 0 && SourceY >= 0 &&
|
|
SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
|
|
{
|
|
Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
|
|
if(Source != iTransColor)
|
|
{
|
|
*((BYTE*)DestBits) = (BYTE)(XLATEOBJ_iXlate(ColorTranslation, Source) & 0xFF);
|
|
}
|
|
}
|
|
DestBits = (PULONG)((ULONG_PTR)DestBits + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* EOF */
|