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wine/dlls/winex11.drv/dib.c

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/*
* X11DRV device-independent bitmaps
*
* Copyright 1993,1994 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <X11/Xlib.h>
#ifdef HAVE_LIBXXSHM
#include <X11/extensions/XShm.h>
# ifdef HAVE_SYS_SHM_H
# include <sys/shm.h>
# endif
# ifdef HAVE_SYS_IPC_H
# include <sys/ipc.h>
# endif
#endif /* defined(HAVE_LIBXXSHM) */
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "x11drv.h"
#include "wine/exception.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(bitmap);
static struct list dibs_list = LIST_INIT(dibs_list);
static CRITICAL_SECTION dibs_cs;
static CRITICAL_SECTION_DEBUG dibs_cs_debug =
{
0, 0, &dibs_cs,
{ &dibs_cs_debug.ProcessLocksList, &dibs_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dibs_cs") }
};
static CRITICAL_SECTION dibs_cs = { &dibs_cs_debug, -1, 0, 0, 0, 0 };
static PVOID dibs_handler;
static int ximageDepthTable[32];
/* This structure holds the arguments for DIB_SetImageBits() */
typedef struct
{
X11DRV_PDEVICE *physDev;
LPCVOID bits;
XImage *image;
PALETTEENTRY *palentry;
int lines;
DWORD infoWidth;
WORD depth;
WORD infoBpp;
WORD compression;
ColorShifts *shifts;
RGBQUAD *colorMap;
int nColorMap;
Drawable drawable;
GC gc;
int xSrc;
int ySrc;
int xDest;
int yDest;
int width;
int height;
DWORD rMask;
DWORD gMask;
DWORD bMask;
enum x11drv_shm_mode shm_mode;
int dibpitch;
DWORD sizeImage;
X_PHYSBITMAP *physBitmap;
} X11DRV_DIB_IMAGEBITS_DESCR;
enum Rle_EscapeCodes
{
RLE_EOL = 0, /* End of line */
RLE_END = 1, /* End of bitmap */
RLE_DELTA = 2 /* Delta */
};
static INT X11DRV_DIB_Coerce(X_PHYSBITMAP *,INT);
/*
Some of the following helper functions are duplicated in
dlls/gdi/dib.c
*/
/***********************************************************************
* DIB_DoProtectDIBSection
*/
static void X11DRV_DIB_DoProtectDIBSection( X_PHYSBITMAP *physBitmap, DWORD new_prot )
{
DWORD old_prot;
VirtualProtect(physBitmap->base, physBitmap->size, new_prot, &old_prot);
TRACE("Changed protection from %d to %d\n", old_prot, new_prot);
}
/***********************************************************************
* X11DRV_DIB_GetXImageWidthBytes
*
* Return the width of an X image in bytes
*/
static inline int X11DRV_DIB_GetXImageWidthBytes( int width, int depth )
{
if (!depth || depth > 32) goto error;
if (!ximageDepthTable[depth-1])
{
XImage *testimage = XCreateImage( gdi_display, visual, depth,
ZPixmap, 0, NULL, 1, 1, 32, 20 );
if (testimage)
{
ximageDepthTable[depth-1] = testimage->bits_per_pixel;
XDestroyImage( testimage );
}
else ximageDepthTable[depth-1] = -1;
}
if (ximageDepthTable[depth-1] != -1)
return (4 * ((width * ximageDepthTable[depth-1] + 31) / 32));
error:
WARN( "(%d): Unsupported depth\n", depth );
return 4 * width;
}
/***********************************************************************
* X11DRV_DIB_GetDIBWidthBytes
*
* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
*/
static int X11DRV_DIB_GetDIBWidthBytes( int width, int depth )
{
return ((width * depth + 31) / 8) & ~3;
}
/***********************************************************************
* bitmap_info_size
*
* Return the size of the bitmap info structure including color table.
*/
int bitmap_info_size( const BITMAPINFO * info, WORD coloruse )
{
unsigned int colors, size, masks = 0;
if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)info;
colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
return sizeof(BITMAPCOREHEADER) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
}
else /* assume BITMAPINFOHEADER */
{
colors = info->bmiHeader.biClrUsed;
if (!colors && (info->bmiHeader.biBitCount <= 8))
colors = 1 << info->bmiHeader.biBitCount;
if (info->bmiHeader.biCompression == BI_BITFIELDS) masks = 3;
size = max( info->bmiHeader.biSize, sizeof(BITMAPINFOHEADER) + masks * sizeof(DWORD) );
return size + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
}
}
/***********************************************************************
* X11DRV_DIB_CreateXImage
*
* Create an X image.
*/
XImage *X11DRV_DIB_CreateXImage( int width, int height, int depth )
{
int width_bytes;
XImage *image = NULL;
void *data;
wine_tsx11_lock();
width_bytes = X11DRV_DIB_GetXImageWidthBytes( width, depth );
data = HeapAlloc( GetProcessHeap(), 0, height * width_bytes );
if (data) image = XCreateImage( gdi_display, visual, depth, ZPixmap, 0,
data, width, height, 32, width_bytes );
if (!image) HeapFree( GetProcessHeap(), 0, data );
wine_tsx11_unlock();
return image;
}
/***********************************************************************
* X11DRV_DIB_DestroyXImage
*
* Destroy an X image created with X11DRV_DIB_CreateXImage.
*/
void X11DRV_DIB_DestroyXImage( XImage *image )
{
HeapFree( GetProcessHeap(), 0, image->data );
image->data = NULL;
wine_tsx11_lock();
XDestroyImage( image );
wine_tsx11_unlock();
}
/***********************************************************************
* X11DRV_DIB_GetColorCount
*
* Computes the number of colors for the bitmap palette.
* Should not be called for a >8-bit deep bitmap.
*/
static unsigned int X11DRV_DIB_GetColorCount(const BITMAPINFO *info)
{
unsigned int colors = min( info->bmiHeader.biClrUsed, 256 );
if (!colors) colors = 1 << info->bmiHeader.biBitCount;
return colors;
}
static inline BOOL colour_is_brighter(RGBQUAD c1, RGBQUAD c2)
{
return (c1.rgbRed * c1.rgbRed + c1.rgbGreen * c1.rgbGreen + c1.rgbBlue * c1.rgbBlue) >
(c2.rgbRed * c2.rgbRed + c2.rgbGreen * c2.rgbGreen + c2.rgbBlue * c2.rgbBlue);
}
/***********************************************************************
* X11DRV_DIB_GenColorMap
*
* Fills the color map of a bitmap palette. Should not be called
* for a >8-bit deep bitmap.
*/
static int *X11DRV_DIB_GenColorMap( X11DRV_PDEVICE *physDev, int *colorMapping,
WORD coloruse, WORD depth, const void *colorPtr, int start, int end )
{
int i;
if (coloruse == DIB_RGB_COLORS)
{
const RGBQUAD * rgb = colorPtr;
if (depth == 1) /* Monochrome */
{
BOOL invert = FALSE;
RGBQUAD table[2];
if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2)
invert = !colour_is_brighter(table[1], table[0]);
for (i = start; i < end; i++, rgb++)
colorMapping[i] = ((rgb->rgbRed + rgb->rgbGreen +
rgb->rgbBlue > 255*3/2 && !invert) ||
(rgb->rgbRed + rgb->rgbGreen +
rgb->rgbBlue <= 255*3/2 && invert));
}
else
for (i = start; i < end; i++, rgb++)
colorMapping[i] = X11DRV_PALETTE_LookupPixel(physDev->color_shifts, RGB(rgb->rgbRed,
rgb->rgbGreen,
rgb->rgbBlue));
}
else /* DIB_PAL_COLORS */
{
const WORD * index = colorPtr;
for (i = start; i < end; i++, index++)
colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, PALETTEINDEX(*index) );
}
return colorMapping;
}
/***********************************************************************
* X11DRV_DIB_BuildColorMap
*
* Build the color map from the bitmap palette. Should not be called
* for a >8-bit deep bitmap.
*/
static int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse, WORD depth,
const BITMAPINFO *info, int *nColors )
{
const void *colorPtr;
int *colorMapping;
*nColors = X11DRV_DIB_GetColorCount(info);
if (!*nColors) return NULL;
colorPtr = (const BYTE*)info + (WORD)info->bmiHeader.biSize;
if (!(colorMapping = HeapAlloc(GetProcessHeap(), 0, *nColors * sizeof(int) )))
return NULL;
return X11DRV_DIB_GenColorMap( physDev, colorMapping, coloruse, depth,
colorPtr, 0, *nColors);
}
/***********************************************************************
* X11DRV_DIB_MapColor
*/
static int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys, int oldcol )
{
int color;
if ((oldcol < nPhysMap) && (physMap[oldcol] == phys))
return oldcol;
for (color = 0; color < nPhysMap; color++)
if (physMap[color] == phys)
return color;
WARN("Strange color %08x\n", phys);
return 0;
}
/*********************************************************************
* X11DRV_DIB_GetNearestIndex
*
* Helper for X11DRV_DIB_GetDIBits.
* Returns the nearest colour table index for a given RGB.
* Nearest is defined by minimizing the sum of the squares.
*/
static INT X11DRV_DIB_GetNearestIndex(RGBQUAD *colormap, int numColors, BYTE r, BYTE g, BYTE b)
{
INT i, best = -1, diff, bestdiff = -1;
RGBQUAD *color;
for(color = colormap, i = 0; i < numColors; color++, i++) {
diff = (r - color->rgbRed) * (r - color->rgbRed) +
(g - color->rgbGreen) * (g - color->rgbGreen) +
(b - color->rgbBlue) * (b - color->rgbBlue);
if(diff == 0)
return i;
if(best == -1 || diff < bestdiff) {
best = i;
bestdiff = diff;
}
}
return best;
}
/*********************************************************************
* X11DRV_DIB_MaskToShift
*
* Helper for X11DRV_DIB_GetDIBits.
* Returns the by how many bits to shift a given color so that it is
* in the proper position.
*/
INT X11DRV_DIB_MaskToShift(DWORD mask)
{
int shift;
if (mask==0)
return 0;
shift=0;
while ((mask&1)==0) {
mask>>=1;
shift++;
}
return shift;
}
/***********************************************************************
* X11DRV_DIB_CheckMask
*
* Check RGB mask if it is either 0 or matches visual's mask.
*/
static inline int X11DRV_DIB_CheckMask(int red_mask, int green_mask, int blue_mask)
{
return ( red_mask == 0 && green_mask == 0 && blue_mask == 0 ) ||
( red_mask == visual->red_mask && green_mask == visual->green_mask &&
blue_mask == visual->blue_mask );
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_1
*
* SetDIBits for a 1-bit deep DIB.
*/
static void X11DRV_DIB_SetImageBits_1( int lines, const BYTE *srcbits,
DWORD srcwidth, DWORD dstwidth, int left,
int *colors, XImage *bmpImage, int linebytes)
{
int h, width;
const BYTE* srcbyte;
BYTE srcval, extra;
DWORD i, x;
if (lines < 0 ) {
lines = -lines;
srcbits = srcbits + linebytes * (lines - 1);
linebytes = -linebytes;
}
if ((extra = (left & 7)) != 0) {
left &= ~7;
dstwidth += extra;
}
srcbits += left >> 3;
width = min(srcwidth, dstwidth);
/* ==== pal 1 dib -> any bmp format ==== */
for (h = lines-1; h >=0; h--) {
srcbyte=srcbits;
for (i = width/8, x = left; i > 0; i--) {
srcval=*srcbyte++;
XPutPixel( bmpImage, x++, h, colors[ srcval >> 7] );
XPutPixel( bmpImage, x++, h, colors[(srcval >> 6) & 1] );
XPutPixel( bmpImage, x++, h, colors[(srcval >> 5) & 1] );
XPutPixel( bmpImage, x++, h, colors[(srcval >> 4) & 1] );
XPutPixel( bmpImage, x++, h, colors[(srcval >> 3) & 1] );
XPutPixel( bmpImage, x++, h, colors[(srcval >> 2) & 1] );
XPutPixel( bmpImage, x++, h, colors[(srcval >> 1) & 1] );
XPutPixel( bmpImage, x++, h, colors[ srcval & 1] );
}
if (width % 8){
srcval=*srcbyte;
switch (width & 7)
{
case 7: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
/* fall through */
case 6: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
/* fall through */
case 5: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
/* fall through */
case 4: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
/* fall through */
case 3: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
/* fall through */
case 2: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
/* fall through */
case 1: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]);
}
}
srcbits += linebytes;
}
}
/***********************************************************************
* X11DRV_DIB_GetImageBits_1
*
* GetDIBits for a 1-bit deep DIB.
*/
static void X11DRV_DIB_GetImageBits_1( int lines, BYTE *dstbits,
DWORD dstwidth, DWORD srcwidth,
RGBQUAD *colors, PALETTEENTRY *srccolors,
XImage *bmpImage, int linebytes )
{
DWORD x;
int h, width = min(dstwidth, srcwidth);
if (lines < 0 ) {
lines = -lines;
dstbits = dstbits + linebytes * (lines - 1);
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 1:
case 4:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 1 or 4 bmp -> pal 1 dib ==== */
BYTE* dstbyte;
for (h=lines-1; h>=0; h--) {
BYTE dstval;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[XGetPixel(bmpImage, x, h)];
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
srcval.peRed,
srcval.peGreen,
srcval.peBlue) << (7 - (x & 7)));
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte++=dstval;
}
/* pad with 0 to DWORD alignment */
for (x = (x+7)&~7; x < ((width + 31) & ~31); x+=8)
*dstbyte++ = 0;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 8:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 8 bmp -> pal 1 dib ==== */
const void* srcbits;
const BYTE* srcpixel;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[*srcpixel++];
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
srcval.peRed,
srcval.peGreen,
srcval.peBlue) << (7-(x&7)) );
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 15:
case 16:
{
const void* srcbits;
const WORD* srcpixel;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->red_mask==0x7c00) {
/* ==== rgb 555 bmp -> pal 1 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
((srcval >> 7) & 0xf8) | /* r */
((srcval >> 12) & 0x07),
((srcval >> 2) & 0xf8) | /* g */
((srcval >> 7) & 0x07),
((srcval << 3) & 0xf8) | /* b */
((srcval >> 2) & 0x07) ) << (7-(x&7)) );
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else if (bmpImage->blue_mask==0x7c00) {
/* ==== bgr 555 bmp -> pal 1 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
((srcval << 3) & 0xf8) | /* r */
((srcval >> 2) & 0x07),
((srcval >> 2) & 0xf8) | /* g */
((srcval >> 7) & 0x07),
((srcval >> 7) & 0xf8) | /* b */
((srcval >> 12) & 0x07) ) << (7-(x&7)) );
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->red_mask==0xf800) {
/* ==== rgb 565 bmp -> pal 1 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
((srcval >> 8) & 0xf8) | /* r */
((srcval >> 13) & 0x07),
((srcval >> 3) & 0xfc) | /* g */
((srcval >> 9) & 0x03),
((srcval << 3) & 0xf8) | /* b */
((srcval >> 2) & 0x07) ) << (7-(x&7)) );
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else if (bmpImage->blue_mask==0xf800) {
/* ==== bgr 565 bmp -> pal 1 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
((srcval << 3) & 0xf8) | /* r */
((srcval >> 2) & 0x07),
((srcval >> 3) & 0xfc) | /* g */
((srcval >> 9) & 0x03),
((srcval >> 8) & 0xf8) | /* b */
((srcval >> 13) & 0x07) ) << (7-(x&7)) );
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
} else {
goto notsupported;
}
}
break;
case 24:
case 32:
{
const void* srcbits;
const BYTE *srcbyte;
BYTE* dstbyte;
int bytes_per_pixel;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
bytes_per_pixel=(bmpImage->bits_per_pixel==24?3:4);
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (bmpImage->blue_mask==0xff) {
/* ==== rgb 888 or 0888 bmp -> pal 1 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcbyte=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
srcbyte[2],
srcbyte[1],
srcbyte[0]) << (7-(x&7)) );
srcbyte+=bytes_per_pixel;
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
/* ==== bgr 888 or 0888 bmp -> pal 1 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcbyte=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 2,
srcbyte[0],
srcbyte[1],
srcbyte[2]) << (7-(x&7)) );
srcbyte+=bytes_per_pixel;
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
}
}
break;
default:
notsupported:
{
BYTE* dstbyte;
BYTE neg = 0;
unsigned long white = (1 << bmpImage->bits_per_pixel) - 1;
/* ==== any bmp format -> pal 1 dib ==== */
if ((unsigned)colors[0].rgbRed+colors[0].rgbGreen+colors[0].rgbBlue >=
(unsigned)colors[1].rgbRed+colors[1].rgbGreen+colors[1].rgbBlue )
neg = 1;
WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 1 bit DIB, "
"%s color mapping\n",
bmpImage->bits_per_pixel, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask,
neg?"negative":"direct" );
for (h=lines-1; h>=0; h--) {
BYTE dstval;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
dstval|=((XGetPixel( bmpImage, x, h) >= white) ^ neg) << (7 - (x&7));
if ((x&7)==7) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&7)!=0) {
*dstbyte=dstval;
}
dstbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_4
*
* SetDIBits for a 4-bit deep DIB.
*/
static void X11DRV_DIB_SetImageBits_4( int lines, const BYTE *srcbits,
DWORD srcwidth, DWORD dstwidth, int left,
int *colors, XImage *bmpImage, int linebytes)
{
int h, width;
const BYTE* srcbyte;
DWORD i, x;
if (lines < 0 ) {
lines = -lines;
srcbits = srcbits + linebytes * (lines - 1);
linebytes = -linebytes;
}
if (left & 1) {
left--;
dstwidth++;
}
srcbits += left >> 1;
width = min(srcwidth, dstwidth);
/* ==== pal 4 dib -> any bmp format ==== */
for (h = lines-1; h >= 0; h--) {
srcbyte=srcbits;
for (i = width/2, x = left; i > 0; i--) {
BYTE srcval=*srcbyte++;
XPutPixel( bmpImage, x++, h, colors[srcval >> 4] );
XPutPixel( bmpImage, x++, h, colors[srcval & 0x0f] );
}
if (width & 1)
XPutPixel( bmpImage, x, h, colors[*srcbyte >> 4] );
srcbits += linebytes;
}
}
/***********************************************************************
* X11DRV_DIB_GetImageBits_4
*
* GetDIBits for a 4-bit deep DIB.
*/
static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *dstbits,
DWORD srcwidth, DWORD dstwidth,
RGBQUAD *colors, PALETTEENTRY *srccolors,
XImage *bmpImage, int linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
if (lines < 0 )
{
lines = -lines;
dstbits = dstbits + ( linebytes * (lines-1) );
linebytes = -linebytes;
}
switch (bmpImage->depth) {
case 1:
case 4:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 1 or 4 bmp -> pal 4 dib ==== */
BYTE* dstbyte;
for (h = lines-1; h >= 0; h--) {
BYTE dstval;
dstbyte=dstbits;
dstval=0;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[XGetPixel(bmpImage, x, h)];
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcval.peRed,
srcval.peGreen,
srcval.peBlue) << (4-((x&1)<<2)));
if ((x&1)==1) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&1)!=0) {
*dstbyte=dstval;
}
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 8:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 8 bmp -> pal 4 dib ==== */
const void* srcbits;
const BYTE *srcpixel;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
PALETTEENTRY srcval;
srcval = srccolors[*srcpixel++];
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcval.peRed,
srcval.peGreen,
srcval.peBlue) << (4*(1-(x&1))) );
if ((x&1)==1) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&1)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 15:
case 16:
{
const void* srcbits;
const WORD* srcpixel;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->red_mask==0x7c00) {
/* ==== rgb 555 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 16,
((srcval >> 7) & 0xf8) | /* r */
((srcval >> 12) & 0x07),
((srcval >> 2) & 0xf8) | /* g */
((srcval >> 7) & 0x07),
((srcval << 3) & 0xf8) | /* b */
((srcval >> 2) & 0x07) ) << ((1-(x&1))<<2) );
if ((x&1)==1) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&1)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else if (bmpImage->blue_mask==0x7c00) {
/* ==== bgr 555 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
WORD dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 16,
((srcval << 3) & 0xf8) | /* r */
((srcval >> 2) & 0x07),
((srcval >> 2) & 0xf8) | /* g */
((srcval >> 7) & 0x07),
((srcval >> 7) & 0xf8) | /* b */
((srcval >> 12) & 0x07) ) << ((1-(x&1))<<2) );
if ((x&1)==1) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&1)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->red_mask==0xf800) {
/* ==== rgb 565 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
BYTE dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 16,
((srcval >> 8) & 0xf8) | /* r */
((srcval >> 13) & 0x07),
((srcval >> 3) & 0xfc) | /* g */
((srcval >> 9) & 0x03),
((srcval << 3) & 0xf8) | /* b */
((srcval >> 2) & 0x07) ) << ((1-(x&1))<<2) );
if ((x&1)==1) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&1)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else if (bmpImage->blue_mask==0xf800) {
/* ==== bgr 565 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
WORD dstval;
srcpixel=srcbits;
dstbyte=dstbits;
dstval=0;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
dstval|=(X11DRV_DIB_GetNearestIndex
(colors, 16,
((srcval << 3) & 0xf8) | /* r */
((srcval >> 2) & 0x07),
((srcval >> 3) & 0xfc) | /* g */
((srcval >> 9) & 0x03),
((srcval >> 8) & 0xf8) | /* b */
((srcval >> 13) & 0x07) ) << ((1-(x&1))<<2) );
if ((x&1)==1) {
*dstbyte++=dstval;
dstval=0;
}
}
if ((width&1)!=0) {
*dstbyte=dstval;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
} else {
goto notsupported;
}
}
break;
case 24:
if (bmpImage->bits_per_pixel==24) {
const void* srcbits;
const BYTE *srcbyte;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (bmpImage->blue_mask==0xff) {
/* ==== rgb 888 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
srcbyte=srcbits;
dstbyte=dstbits;
for (x=0; x<width/2; x++) {
/* Do 2 pixels at a time */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[2],
srcbyte[1],
srcbyte[0]) << 4) |
X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[5],
srcbyte[4],
srcbyte[3]);
srcbyte+=6;
}
if (width&1) {
/* And then the odd pixel */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[2],
srcbyte[1],
srcbyte[0]) << 4);
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
/* ==== bgr 888 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
srcbyte=srcbits;
dstbyte=dstbits;
for (x=0; x<width/2; x++) {
/* Do 2 pixels at a time */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[0],
srcbyte[1],
srcbyte[2]) << 4) |
X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[3],
srcbyte[4],
srcbyte[5]);
srcbyte+=6;
}
if (width&1) {
/* And then the odd pixel */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[0],
srcbyte[1],
srcbyte[2]) << 4);
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
}
break;
}
/* Fall through */
case 32:
{
const void* srcbits;
const BYTE *srcbyte;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (bmpImage->blue_mask==0xff) {
/* ==== rgb 0888 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
srcbyte=srcbits;
dstbyte=dstbits;
for (x=0; x<width/2; x++) {
/* Do 2 pixels at a time */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[2],
srcbyte[1],
srcbyte[0]) << 4) |
X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[6],
srcbyte[5],
srcbyte[4]);
srcbyte+=8;
}
if (width&1) {
/* And then the odd pixel */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[2],
srcbyte[1],
srcbyte[0]) << 4);
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
/* ==== bgr 0888 bmp -> pal 4 dib ==== */
for (h=0; h<lines; h++) {
srcbyte=srcbits;
dstbyte=dstbits;
for (x=0; x<width/2; x++) {
/* Do 2 pixels at a time */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[0],
srcbyte[1],
srcbyte[2]) << 4) |
X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[4],
srcbyte[5],
srcbyte[6]);
srcbyte+=8;
}
if (width&1) {
/* And then the odd pixel */
*dstbyte++=(X11DRV_DIB_GetNearestIndex
(colors, 16,
srcbyte[0],
srcbyte[1],
srcbyte[2]) << 4);
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
}
}
break;
default:
notsupported:
{
BYTE* dstbyte;
/* ==== any bmp format -> pal 4 dib ==== */
WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 4 bit DIB\n",
bmpImage->bits_per_pixel, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask );
for (h=lines-1; h>=0; h--) {
dstbyte=dstbits;
for (x=0; x<(width & ~1); x+=2) {
*dstbyte++=(X11DRV_DIB_MapColor((int*)colors, 16, XGetPixel(bmpImage, x, h), 0) << 4) |
X11DRV_DIB_MapColor((int*)colors, 16, XGetPixel(bmpImage, x+1, h), 0);
}
if (width & 1) {
*dstbyte=(X11DRV_DIB_MapColor((int *)colors, 16, XGetPixel(bmpImage, x, h), 0) << 4);
}
dstbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_8
*
* SetDIBits for an 8-bit deep DIB.
*/
static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits,
DWORD srcwidth, DWORD dstwidth, int left,
const int *colors, XImage *bmpImage,
int linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const BYTE* srcbyte;
BYTE* dstbits;
if (lines < 0 )
{
lines = -lines;
srcbits = srcbits + linebytes * (lines-1);
linebytes = -linebytes;
}
srcbits += left;
srcbyte = srcbits;
switch (bmpImage->depth) {
case 15:
case 16:
/* Some X servers might have 32 bit/ 16bit deep pixel */
if (lines && width && (bmpImage->bits_per_pixel == 16) &&
(ImageByteOrder(gdi_display)==LSBFirst) )
{
/* ==== pal 8 dib -> rgb or bgr 555 or 565 bmp ==== */
dstbits=(BYTE*)bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
for (h = lines ; h--; ) {
DWORD* dstpixel=(DWORD*)dstbits;
for (x=0; x<width/2; x++) {
/* Do 2 pixels at a time */
*dstpixel++=(colors[srcbyte[1]] << 16) | colors[srcbyte[0]];
srcbyte+=2;
}
if (width&1) {
/* And then the odd pixel */
*((WORD*)dstpixel)=colors[srcbyte[0]];
}
srcbyte = (srcbits += linebytes);
dstbits -= bmpImage->bytes_per_line;
}
return;
}
break;
case 24:
case 32:
if (lines && width && (bmpImage->bits_per_pixel == 32) &&
(ImageByteOrder(gdi_display)==LSBFirst) )
{
dstbits=(BYTE*)bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
/* ==== pal 8 dib -> rgb or bgr 0888 bmp ==== */
for (h = lines ; h--; ) {
DWORD* dstpixel=(DWORD*)dstbits;
for (x=0; x<width; x++) {
*dstpixel++=colors[*srcbyte++];
}
srcbyte = (srcbits += linebytes);
dstbits -= bmpImage->bytes_per_line;
}
return;
}
break;
default:
break; /* use slow generic case below */
}
/* ==== pal 8 dib -> any bmp format ==== */
for (h=lines-1; h>=0; h--) {
for (x=left; x<width+left; x++) {
XPutPixel(bmpImage, x, h, colors[*srcbyte++]);
}
srcbyte = (srcbits += linebytes);
}
}
/***********************************************************************
* X11DRV_DIB_GetImageBits_8
*
* GetDIBits for an 8-bit deep DIB.
*/
static void X11DRV_DIB_GetImageBits_8( int lines, BYTE *dstbits,
DWORD srcwidth, DWORD dstwidth,
RGBQUAD *colors, PALETTEENTRY *srccolors,
XImage *bmpImage, int linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
BYTE* dstbyte;
if (lines < 0 )
{
lines = -lines;
dstbits = dstbits + ( linebytes * (lines-1) );
linebytes = -linebytes;
}
/*
* Hack for now
* This condition is true when GetImageBits has been called by
* UpdateDIBSection. For now, GetNearestIndex is too slow to support
* 256 colormaps, so we'll just use it for GetDIBits calls.
* (In some cases, in an updateDIBSection, the returned colors are bad too)
*/
if (!srccolors) goto updatesection;
switch (bmpImage->depth) {
case 1:
case 4:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 1 bmp -> pal 8 dib ==== */
/* ==== pal 4 bmp -> pal 8 dib ==== */
for (h=lines-1; h>=0; h--) {
dstbyte=dstbits;
for (x=0; x<width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[XGetPixel(bmpImage, x, h)];
*dstbyte++=X11DRV_DIB_GetNearestIndex(colors, 256,
srcval.peRed,
srcval.peGreen,
srcval.peBlue);
}
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 8:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 8 bmp -> pal 8 dib ==== */
const void* srcbits;
const BYTE* srcpixel;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
for (h=0; h<lines; h++) {
srcpixel=srcbits;
dstbyte=dstbits;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[*srcpixel++];
*dstbyte++=X11DRV_DIB_GetNearestIndex(colors, 256,
srcval.peRed,
srcval.peGreen,
srcval.peBlue);
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 15:
case 16:
{
const void* srcbits;
const WORD* srcpixel;
BYTE* dstbyte;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->red_mask==0x7c00) {
/* ==== rgb 555 bmp -> pal 8 dib ==== */
for (h=0; h<lines; h++) {
srcpixel=srcbits;
dstbyte=dstbits;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
*dstbyte++=X11DRV_DIB_GetNearestIndex
(colors, 256,
((srcval >> 7) & 0xf8) | /* r */
((srcval >> 12) & 0x07),
((srcval >> 2) & 0xf8) | /* g */
((srcval >> 7) & 0x07),
((srcval << 3) & 0xf8) | /* b */
((srcval >> 2) & 0x07) );
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else if (bmpImage->blue_mask==0x7c00) {
/* ==== bgr 555 bmp -> pal 8 dib ==== */
for (h=0; h<lines; h++) {
srcpixel=srcbits;
dstbyte=dstbits;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
*dstbyte++=X11DRV_DIB_GetNearestIndex
(colors, 256,
((srcval << 3) & 0xf8) | /* r */
((srcval >> 2) & 0x07),
((srcval >> 2) & 0xf8) | /* g */
((srcval >> 7) & 0x07),
((srcval >> 7) & 0xf8) | /* b */
((srcval >> 12) & 0x07) );
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->red_mask==0xf800) {
/* ==== rgb 565 bmp -> pal 8 dib ==== */
for (h=0; h<lines; h++) {
srcpixel=srcbits;
dstbyte=dstbits;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
*dstbyte++=X11DRV_DIB_GetNearestIndex
(colors, 256,
((srcval >> 8) & 0xf8) | /* r */
((srcval >> 13) & 0x07),
((srcval >> 3) & 0xfc) | /* g */
((srcval >> 9) & 0x03),
((srcval << 3) & 0xf8) | /* b */
((srcval >> 2) & 0x07) );
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else if (bmpImage->blue_mask==0xf800) {
/* ==== bgr 565 bmp -> pal 8 dib ==== */
for (h=0; h<lines; h++) {
srcpixel=srcbits;
dstbyte=dstbits;
for (x=0; x<width; x++) {
WORD srcval;
srcval=*srcpixel++;
*dstbyte++=X11DRV_DIB_GetNearestIndex
(colors, 256,
((srcval << 3) & 0xf8) | /* r */
((srcval >> 2) & 0x07),
((srcval >> 3) & 0xfc) | /* g */
((srcval >> 9) & 0x03),
((srcval >> 8) & 0xf8) | /* b */
((srcval >> 13) & 0x07) );
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
} else {
goto notsupported;
}
}
break;
case 24:
case 32:
{
const void* srcbits;
const BYTE *srcbyte;
BYTE* dstbyte;
int bytes_per_pixel;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
bytes_per_pixel=(bmpImage->bits_per_pixel==24?3:4);
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (bmpImage->blue_mask==0xff) {
/* ==== rgb 888 or 0888 bmp -> pal 8 dib ==== */
for (h=0; h<lines; h++) {
srcbyte=srcbits;
dstbyte=dstbits;
for (x=0; x<width; x++) {
*dstbyte++=X11DRV_DIB_GetNearestIndex
(colors, 256,
srcbyte[2],
srcbyte[1],
srcbyte[0]);
srcbyte+=bytes_per_pixel;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
/* ==== bgr 888 or 0888 bmp -> pal 8 dib ==== */
for (h=0; h<lines; h++) {
srcbyte=srcbits;
dstbyte=dstbits;
for (x=0; x<width; x++) {
*dstbyte++=X11DRV_DIB_GetNearestIndex
(colors, 256,
srcbyte[0],
srcbyte[1],
srcbyte[2]);
srcbyte+=bytes_per_pixel;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
}
}
break;
default:
notsupported:
WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 8 bit DIB\n",
bmpImage->depth, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask );
updatesection:
/* ==== any bmp format -> pal 8 dib ==== */
for (h=lines-1; h>=0; h--) {
dstbyte=dstbits;
for (x=0; x<width; x++) {
*dstbyte=X11DRV_DIB_MapColor
((int*)colors, 256,
XGetPixel(bmpImage, x, h), *dstbyte);
dstbyte++;
}
dstbits += linebytes;
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_16
*
* SetDIBits for a 16-bit deep DIB.
*/
static void X11DRV_DIB_SetImageBits_16( int lines, const BYTE *srcbits,
DWORD srcwidth, DWORD dstwidth, int left,
X11DRV_PDEVICE *physDev, DWORD rSrc, DWORD gSrc, DWORD bSrc,
XImage *bmpImage, int linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap;
if (lines < 0 )
{
lines = -lines;
srcbits = srcbits + ( linebytes * (lines-1));
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 15:
case 16:
{
char* dstbits;
srcbits=srcbits+left*2;
dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if (gSrc==bmpImage->green_mask) {
if (rSrc==bmpImage->red_mask) {
/* ==== rgb 555 dib -> rgb 555 bmp ==== */
/* ==== bgr 555 dib -> bgr 555 bmp ==== */
convs->Convert_5x5_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (rSrc==bmpImage->blue_mask) {
/* ==== rgb 555 dib -> bgr 555 bmp ==== */
/* ==== bgr 555 dib -> rgb 555 bmp ==== */
convs->Convert_555_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
} else {
if (rSrc==bmpImage->red_mask || bSrc==bmpImage->blue_mask) {
/* ==== rgb 565 dib -> rgb 555 bmp ==== */
/* ==== bgr 565 dib -> bgr 555 bmp ==== */
convs->Convert_565_to_555_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 565 dib -> bgr 555 bmp ==== */
/* ==== bgr 565 dib -> rgb 555 bmp ==== */
convs->Convert_565_to_555_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
}
} else if (bmpImage->green_mask==0x07e0) {
if (gSrc==bmpImage->green_mask) {
if (rSrc==bmpImage->red_mask) {
/* ==== rgb 565 dib -> rgb 565 bmp ==== */
/* ==== bgr 565 dib -> bgr 565 bmp ==== */
convs->Convert_5x5_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 565 dib -> bgr 565 bmp ==== */
/* ==== bgr 565 dib -> rgb 565 bmp ==== */
convs->Convert_565_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
} else {
if (rSrc==bmpImage->red_mask || bSrc==bmpImage->blue_mask) {
/* ==== rgb 555 dib -> rgb 565 bmp ==== */
/* ==== bgr 555 dib -> bgr 565 bmp ==== */
convs->Convert_555_to_565_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 555 dib -> bgr 565 bmp ==== */
/* ==== bgr 555 dib -> rgb 565 bmp ==== */
convs->Convert_555_to_565_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
}
} else {
goto notsupported;
}
}
break;
case 24:
if (bmpImage->bits_per_pixel==24) {
char* dstbits;
srcbits=srcbits+left*2;
dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if ((rSrc==0x1f && bmpImage->red_mask==0xff) ||
(bSrc==0x1f && bmpImage->blue_mask==0xff)) {
if (gSrc==0x03e0) {
/* ==== rgb 555 dib -> rgb 888 bmp ==== */
/* ==== bgr 555 dib -> bgr 888 bmp ==== */
convs->Convert_555_to_888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 565 dib -> rgb 888 bmp ==== */
/* ==== bgr 565 dib -> bgr 888 bmp ==== */
convs->Convert_565_to_888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
} else {
if (gSrc==0x03e0) {
/* ==== rgb 555 dib -> bgr 888 bmp ==== */
/* ==== bgr 555 dib -> rgb 888 bmp ==== */
convs->Convert_555_to_888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 565 dib -> bgr 888 bmp ==== */
/* ==== bgr 565 dib -> rgb 888 bmp ==== */
convs->Convert_565_to_888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
}
break;
}
/* Fall through */
case 32:
{
char* dstbits;
srcbits=srcbits+left*2;
dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if ((rSrc==0x1f && bmpImage->red_mask==0xff) ||
(bSrc==0x1f && bmpImage->blue_mask==0xff)) {
if (gSrc==0x03e0) {
/* ==== rgb 555 dib -> rgb 0888 bmp ==== */
/* ==== bgr 555 dib -> bgr 0888 bmp ==== */
convs->Convert_555_to_0888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 565 dib -> rgb 0888 bmp ==== */
/* ==== bgr 565 dib -> bgr 0888 bmp ==== */
convs->Convert_565_to_0888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
} else {
if (gSrc==0x03e0) {
/* ==== rgb 555 dib -> bgr 0888 bmp ==== */
/* ==== bgr 555 dib -> rgb 0888 bmp ==== */
convs->Convert_555_to_0888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 565 dib -> bgr 0888 bmp ==== */
/* ==== bgr 565 dib -> rgb 0888 bmp ==== */
convs->Convert_565_to_0888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
}
}
break;
default:
notsupported:
WARN("from 16 bit DIB (%x,%x,%x) to unknown %d bit bitmap (%lx,%lx,%lx)\n",
rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask );
/* fall through */
case 1:
case 4:
case 8:
{
/* ==== rgb or bgr 555 or 565 dib -> pal 1, 4 or 8 ==== */
const WORD* srcpixel;
int rShift1,gShift1,bShift1;
int rShift2,gShift2,bShift2;
BYTE gMask1,gMask2;
/* Set color scaling values */
rShift1=16+X11DRV_DIB_MaskToShift(rSrc)-3;
gShift1=16+X11DRV_DIB_MaskToShift(gSrc)-3;
bShift1=16+X11DRV_DIB_MaskToShift(bSrc)-3;
rShift2=rShift1+5;
gShift2=gShift1+5;
bShift2=bShift1+5;
if (gSrc==0x03e0) {
/* Green has 5 bits, like the others */
gMask1=0xf8;
gMask2=0x07;
} else {
/* Green has 6 bits, not 5. Compensate. */
gShift1++;
gShift2+=2;
gMask1=0xfc;
gMask2=0x03;
}
srcbits+=2*left;
/* We could split it into four separate cases to optimize
* but it is probably not worth it.
*/
for (h=lines-1; h>=0; h--) {
srcpixel=(const WORD*)srcbits;
for (x=left; x<width+left; x++) {
DWORD srcval;
BYTE red,green,blue;
srcval=*srcpixel++ << 16;
red= ((srcval >> rShift1) & 0xf8) |
((srcval >> rShift2) & 0x07);
green=((srcval >> gShift1) & gMask1) |
((srcval >> gShift2) & gMask2);
blue= ((srcval >> bShift1) & 0xf8) |
((srcval >> bShift2) & 0x07);
XPutPixel(bmpImage, x, h,
X11DRV_PALETTE_ToPhysical
(physDev, RGB(red,green,blue)));
}
srcbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_GetImageBits_16
*
* GetDIBits for an 16-bit deep DIB.
*/
static void X11DRV_DIB_GetImageBits_16( X11DRV_PDEVICE *physDev, int lines, BYTE *dstbits,
DWORD dstwidth, DWORD srcwidth,
PALETTEENTRY *srccolors,
DWORD rDst, DWORD gDst, DWORD bDst,
XImage *bmpImage, int linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap;
if (lines < 0 )
{
lines = -lines;
dstbits = dstbits + ( linebytes * (lines-1));
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 15:
case 16:
{
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if (gDst==bmpImage->green_mask) {
if (rDst==bmpImage->red_mask) {
/* ==== rgb 555 bmp -> rgb 555 dib ==== */
/* ==== bgr 555 bmp -> bgr 555 dib ==== */
convs->Convert_5x5_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 555 bmp -> bgr 555 dib ==== */
/* ==== bgr 555 bmp -> rgb 555 dib ==== */
convs->Convert_555_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
} else {
if (rDst==bmpImage->red_mask || bDst==bmpImage->blue_mask) {
/* ==== rgb 555 bmp -> rgb 565 dib ==== */
/* ==== bgr 555 bmp -> bgr 565 dib ==== */
convs->Convert_555_to_565_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 555 bmp -> bgr 565 dib ==== */
/* ==== bgr 555 bmp -> rgb 565 dib ==== */
convs->Convert_555_to_565_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
}
} else if (bmpImage->green_mask==0x07e0) {
if (gDst==bmpImage->green_mask) {
if (rDst == bmpImage->red_mask) {
/* ==== rgb 565 bmp -> rgb 565 dib ==== */
/* ==== bgr 565 bmp -> bgr 565 dib ==== */
convs->Convert_5x5_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 565 bmp -> bgr 565 dib ==== */
/* ==== bgr 565 bmp -> rgb 565 dib ==== */
convs->Convert_565_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
} else {
if (rDst==bmpImage->red_mask || bDst==bmpImage->blue_mask) {
/* ==== rgb 565 bmp -> rgb 555 dib ==== */
/* ==== bgr 565 bmp -> bgr 555 dib ==== */
convs->Convert_565_to_555_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 565 bmp -> bgr 555 dib ==== */
/* ==== bgr 565 bmp -> rgb 555 dib ==== */
convs->Convert_565_to_555_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
}
} else {
goto notsupported;
}
}
break;
case 24:
if (bmpImage->bits_per_pixel == 24) {
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if ((rDst==0x1f && bmpImage->red_mask==0xff) ||
(bDst==0x1f && bmpImage->blue_mask==0xff)) {
if (gDst==0x03e0) {
/* ==== rgb 888 bmp -> rgb 555 dib ==== */
/* ==== bgr 888 bmp -> bgr 555 dib ==== */
convs->Convert_888_to_555_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 888 bmp -> rgb 565 dib ==== */
/* ==== rgb 888 bmp -> rgb 565 dib ==== */
convs->Convert_888_to_565_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
} else {
if (gDst==0x03e0) {
/* ==== rgb 888 bmp -> bgr 555 dib ==== */
/* ==== bgr 888 bmp -> rgb 555 dib ==== */
convs->Convert_888_to_555_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 888 bmp -> bgr 565 dib ==== */
/* ==== bgr 888 bmp -> rgb 565 dib ==== */
convs->Convert_888_to_565_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
}
break;
}
/* Fall through */
case 32:
{
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if ((rDst==0x1f && bmpImage->red_mask==0xff) ||
(bDst==0x1f && bmpImage->blue_mask==0xff)) {
if (gDst==0x03e0) {
/* ==== rgb 0888 bmp -> rgb 555 dib ==== */
/* ==== bgr 0888 bmp -> bgr 555 dib ==== */
convs->Convert_0888_to_555_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 0888 bmp -> rgb 565 dib ==== */
/* ==== bgr 0888 bmp -> bgr 565 dib ==== */
convs->Convert_0888_to_565_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
} else {
if (gDst==0x03e0) {
/* ==== rgb 0888 bmp -> bgr 555 dib ==== */
/* ==== bgr 0888 bmp -> rgb 555 dib ==== */
convs->Convert_0888_to_555_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 0888 bmp -> bgr 565 dib ==== */
/* ==== bgr 0888 bmp -> rgb 565 dib ==== */
convs->Convert_0888_to_565_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
}
}
break;
case 1:
case 4:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 1 or 4 bmp -> rgb or bgr 555 or 565 dib ==== */
int rShift,gShift,bShift;
WORD* dstpixel;
/* Shift everything 16 bits left so that all shifts are >0,
* even for BGR DIBs. Then a single >> 16 will bring everything
* back into place.
*/
rShift=16+X11DRV_DIB_MaskToShift(rDst)-3;
gShift=16+X11DRV_DIB_MaskToShift(gDst)-3;
bShift=16+X11DRV_DIB_MaskToShift(bDst)-3;
if (gDst==0x07e0) {
/* 6 bits for the green */
gShift++;
}
rDst=rDst << 16;
gDst=gDst << 16;
bDst=bDst << 16;
for (h = lines - 1; h >= 0; h--) {
dstpixel=(LPWORD)dstbits;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
DWORD dstval;
srcval=srccolors[XGetPixel(bmpImage, x, h)];
dstval=((srcval.peRed << rShift) & rDst) |
((srcval.peGreen << gShift) & gDst) |
((srcval.peBlue << bShift) & bDst);
*dstpixel++=dstval >> 16;
}
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 8:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 8 bmp -> rgb or bgr 555 or 565 dib ==== */
int rShift,gShift,bShift;
const BYTE* srcbits;
const BYTE* srcpixel;
WORD* dstpixel;
/* Shift everything 16 bits left so that all shifts are >0,
* even for BGR DIBs. Then a single >> 16 will bring everything
* back into place.
*/
rShift=16+X11DRV_DIB_MaskToShift(rDst)-3;
gShift=16+X11DRV_DIB_MaskToShift(gDst)-3;
bShift=16+X11DRV_DIB_MaskToShift(bDst)-3;
if (gDst==0x07e0) {
/* 6 bits for the green */
gShift++;
}
rDst=rDst << 16;
gDst=gDst << 16;
bDst=bDst << 16;
srcbits=(BYTE*)bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
for (h=0; h<lines; h++) {
srcpixel=srcbits;
dstpixel=(LPWORD)dstbits;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
DWORD dstval;
srcval=srccolors[*srcpixel++];
dstval=((srcval.peRed << rShift) & rDst) |
((srcval.peGreen << gShift) & gDst) |
((srcval.peBlue << bShift) & bDst);
*dstpixel++=dstval >> 16;
}
srcbits -= bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
default:
notsupported:
{
/* ==== any bmp format -> rgb or bgr 555 or 565 dib ==== */
int rShift,gShift,bShift;
WORD* dstpixel;
WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 16 bit DIB (%x,%x,%x)\n",
bmpImage->depth, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask,
rDst, gDst, bDst);
/* Shift everything 16 bits left so that all shifts are >0,
* even for BGR DIBs. Then a single >> 16 will bring everything
* back into place.
*/
rShift=16+X11DRV_DIB_MaskToShift(rDst)-3;
gShift=16+X11DRV_DIB_MaskToShift(gDst)-3;
bShift=16+X11DRV_DIB_MaskToShift(bDst)-3;
if (gDst==0x07e0) {
/* 6 bits for the green */
gShift++;
}
rDst=rDst << 16;
gDst=gDst << 16;
bDst=bDst << 16;
for (h = lines - 1; h >= 0; h--) {
dstpixel=(LPWORD)dstbits;
for (x = 0; x < width; x++) {
COLORREF srcval;
DWORD dstval;
srcval=X11DRV_PALETTE_ToLogical(physDev, XGetPixel(bmpImage, x, h));
dstval=((GetRValue(srcval) << rShift) & rDst) |
((GetGValue(srcval) << gShift) & gDst) |
((GetBValue(srcval) << bShift) & bDst);
*dstpixel++=dstval >> 16;
}
dstbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_24
*
* SetDIBits for a 24-bit deep DIB.
*/
static void X11DRV_DIB_SetImageBits_24( int lines, const BYTE *srcbits,
DWORD srcwidth, DWORD dstwidth, int left,
X11DRV_PDEVICE *physDev,
DWORD rSrc, DWORD gSrc, DWORD bSrc,
XImage *bmpImage, DWORD linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap;
if (lines < 0 )
{
lines = -lines;
srcbits = srcbits + linebytes * (lines - 1);
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 24:
if (bmpImage->bits_per_pixel==24) {
char* dstbits;
srcbits=srcbits+left*3;
dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (rSrc==bmpImage->red_mask) {
/* ==== rgb 888 dib -> rgb 888 bmp ==== */
/* ==== bgr 888 dib -> bgr 888 bmp ==== */
convs->Convert_888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 888 dib -> bgr 888 bmp ==== */
/* ==== bgr 888 dib -> rgb 888 bmp ==== */
convs->Convert_888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
break;
}
/* fall through */
case 32:
{
char* dstbits;
srcbits=srcbits+left*3;
dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (rSrc==bmpImage->red_mask) {
/* ==== rgb 888 dib -> rgb 0888 bmp ==== */
/* ==== bgr 888 dib -> bgr 0888 bmp ==== */
convs->Convert_888_to_0888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== rgb 888 dib -> bgr 0888 bmp ==== */
/* ==== bgr 888 dib -> rgb 0888 bmp ==== */
convs->Convert_888_to_0888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
}
break;
}
case 15:
case 16:
{
char* dstbits;
srcbits=srcbits+left*3;
dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if ((rSrc==0xff0000 && bmpImage->red_mask==0x7f00) ||
(bSrc==0xff0000 && bmpImage->blue_mask==0x7f00)) {
/* ==== rgb 888 dib -> rgb 555 bmp ==== */
/* ==== bgr 888 dib -> bgr 555 bmp ==== */
convs->Convert_888_to_555_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if ((rSrc==0xff && bmpImage->red_mask==0x7f00) ||
(bSrc==0xff && bmpImage->blue_mask==0x7f00)) {
/* ==== rgb 888 dib -> bgr 555 bmp ==== */
/* ==== bgr 888 dib -> rgb 555 bmp ==== */
convs->Convert_888_to_555_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if ((rSrc==0xff0000 && bmpImage->red_mask==0xf800) ||
(bSrc==0xff0000 && bmpImage->blue_mask==0xf800)) {
/* ==== rgb 888 dib -> rgb 565 bmp ==== */
/* ==== bgr 888 dib -> bgr 565 bmp ==== */
convs->Convert_888_to_565_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if ((rSrc==0xff && bmpImage->red_mask==0xf800) ||
(bSrc==0xff && bmpImage->blue_mask==0xf800)) {
/* ==== rgb 888 dib -> bgr 565 bmp ==== */
/* ==== bgr 888 dib -> rgb 565 bmp ==== */
convs->Convert_888_to_565_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
goto notsupported;
}
} else {
goto notsupported;
}
}
break;
default:
notsupported:
WARN("from 24 bit DIB (%x,%x,%x) to unknown %d bit bitmap (%lx,%lx,%lx)\n",
rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask );
/* fall through */
case 1:
case 4:
case 8:
{
/* ==== rgb 888 dib -> any bmp format ==== */
const BYTE* srcbyte;
/* Windows only supports one 24bpp DIB format: RGB888 */
srcbits+=left*3;
for (h = lines - 1; h >= 0; h--) {
srcbyte = srcbits;
for (x = left; x < width+left; x++) {
XPutPixel(bmpImage, x, h,
X11DRV_PALETTE_ToPhysical
(physDev, RGB(srcbyte[2], srcbyte[1], srcbyte[0])));
srcbyte+=3;
}
srcbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_GetImageBits_24
*
* GetDIBits for an 24-bit deep DIB.
*/
static void X11DRV_DIB_GetImageBits_24( X11DRV_PDEVICE *physDev, int lines, BYTE *dstbits,
DWORD dstwidth, DWORD srcwidth,
PALETTEENTRY *srccolors,
DWORD rDst, DWORD gDst, DWORD bDst,
XImage *bmpImage, DWORD linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap;
if (lines < 0 )
{
lines = -lines;
dstbits = dstbits + ( linebytes * (lines-1) );
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 24:
if (bmpImage->bits_per_pixel==24) {
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (rDst==bmpImage->red_mask) {
/* ==== rgb 888 bmp -> rgb 888 dib ==== */
/* ==== bgr 888 bmp -> bgr 888 dib ==== */
convs->Convert_888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 888 bmp -> bgr 888 dib ==== */
/* ==== bgr 888 bmp -> rgb 888 dib ==== */
convs->Convert_888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
break;
}
/* fall through */
case 32:
{
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
} else if (rDst==bmpImage->red_mask) {
/* ==== rgb 888 bmp -> rgb 0888 dib ==== */
/* ==== bgr 888 bmp -> bgr 0888 dib ==== */
convs->Convert_0888_to_888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== rgb 888 bmp -> bgr 0888 dib ==== */
/* ==== bgr 888 bmp -> rgb 0888 dib ==== */
convs->Convert_0888_to_888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
}
break;
}
case 15:
case 16:
{
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (bmpImage->green_mask==0x03e0) {
if ((rDst==0xff0000 && bmpImage->red_mask==0x7f00) ||
(bDst==0xff0000 && bmpImage->blue_mask==0x7f00)) {
/* ==== rgb 555 bmp -> rgb 888 dib ==== */
/* ==== bgr 555 bmp -> bgr 888 dib ==== */
convs->Convert_555_to_888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if ((rDst==0xff && bmpImage->red_mask==0x7f00) ||
(bDst==0xff && bmpImage->blue_mask==0x7f00)) {
/* ==== rgb 555 bmp -> bgr 888 dib ==== */
/* ==== bgr 555 bmp -> rgb 888 dib ==== */
convs->Convert_555_to_888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if ((rDst==0xff0000 && bmpImage->red_mask==0xf800) ||
(bDst==0xff0000 && bmpImage->blue_mask==0xf800)) {
/* ==== rgb 565 bmp -> rgb 888 dib ==== */
/* ==== bgr 565 bmp -> bgr 888 dib ==== */
convs->Convert_565_to_888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if ((rDst==0xff && bmpImage->red_mask==0xf800) ||
(bDst==0xff && bmpImage->blue_mask==0xf800)) {
/* ==== rgb 565 bmp -> bgr 888 dib ==== */
/* ==== bgr 565 bmp -> rgb 888 dib ==== */
convs->Convert_565_to_888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
goto notsupported;
}
} else {
goto notsupported;
}
}
break;
case 1:
case 4:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 1 or 4 bmp -> rgb 888 dib ==== */
BYTE* dstbyte;
/* Windows only supports one 24bpp DIB format: rgb 888 */
for (h = lines - 1; h >= 0; h--) {
dstbyte=dstbits;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[XGetPixel(bmpImage, x, h)];
dstbyte[0]=srcval.peBlue;
dstbyte[1]=srcval.peGreen;
dstbyte[2]=srcval.peRed;
dstbyte+=3;
}
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 8:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 8 bmp -> rgb 888 dib ==== */
const void* srcbits;
const BYTE* srcpixel;
BYTE* dstbyte;
/* Windows only supports one 24bpp DIB format: rgb 888 */
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
for (h = lines - 1; h >= 0; h--) {
srcpixel=srcbits;
dstbyte=dstbits;
for (x = 0; x < width; x++ ) {
PALETTEENTRY srcval;
srcval=srccolors[*srcpixel++];
dstbyte[0]=srcval.peBlue;
dstbyte[1]=srcval.peGreen;
dstbyte[2]=srcval.peRed;
dstbyte+=3;
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
default:
notsupported:
{
/* ==== any bmp format -> 888 dib ==== */
BYTE* dstbyte;
WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 24 bit DIB (%x,%x,%x)\n",
bmpImage->depth, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask,
rDst, gDst, bDst );
/* Windows only supports one 24bpp DIB format: rgb 888 */
for (h = lines - 1; h >= 0; h--) {
dstbyte=dstbits;
for (x = 0; x < width; x++) {
COLORREF srcval=X11DRV_PALETTE_ToLogical
(physDev, XGetPixel( bmpImage, x, h ));
dstbyte[0]=GetBValue(srcval);
dstbyte[1]=GetGValue(srcval);
dstbyte[2]=GetRValue(srcval);
dstbyte+=3;
}
dstbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_32
*
* SetDIBits for a 32-bit deep DIB.
*/
static void X11DRV_DIB_SetImageBits_32(int lines, const BYTE *srcbits,
DWORD srcwidth, DWORD dstwidth, int left,
X11DRV_PDEVICE *physDev,
DWORD rSrc, DWORD gSrc, DWORD bSrc,
XImage *bmpImage,
DWORD linebytes)
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap;
if (lines < 0 )
{
lines = -lines;
srcbits = srcbits + ( linebytes * (lines-1) );
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 24:
if (bmpImage->bits_per_pixel==24) {
char* dstbits;
srcbits=srcbits+left*4;
dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line;
if (rSrc==bmpImage->red_mask && gSrc==bmpImage->green_mask && bSrc==bmpImage->blue_mask) {
/* ==== rgb 0888 dib -> rgb 888 bmp ==== */
/* ==== bgr 0888 dib -> bgr 888 bmp ==== */
convs->Convert_0888_to_888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
/* the tests below assume sane bmpImage masks */
} else if (rSrc==bmpImage->blue_mask && gSrc==bmpImage->green_mask && bSrc==bmpImage->red_mask) {
/* ==== rgb 0888 dib -> bgr 888 bmp ==== */
/* ==== bgr 0888 dib -> rgb 888 bmp ==== */
convs->Convert_0888_to_888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->blue_mask==0xff) {
/* ==== any 0888 dib -> rgb 888 bmp ==== */
convs->Convert_any0888_to_rgb888
(width,lines,
srcbits,linebytes,
rSrc,gSrc,bSrc,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== any 0888 dib -> bgr 888 bmp ==== */
convs->Convert_any0888_to_bgr888
(width,lines,
srcbits,linebytes,
rSrc,gSrc,bSrc,
dstbits,-bmpImage->bytes_per_line);
}
break;
}
/* fall through */
case 32:
{
char* dstbits;
srcbits=srcbits+left*4;
dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
if (gSrc==bmpImage->green_mask) {
if (rSrc==bmpImage->red_mask && bSrc==bmpImage->blue_mask) {
/* ==== rgb 0888 dib -> rgb 0888 bmp ==== */
/* ==== bgr 0888 dib -> bgr 0888 bmp ==== */
convs->Convert_0888_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
/* the tests below assume sane bmpImage masks */
} else if (rSrc==bmpImage->blue_mask && bSrc==bmpImage->red_mask) {
/* ==== rgb 0888 dib -> bgr 0888 bmp ==== */
/* ==== bgr 0888 dib -> rgb 0888 bmp ==== */
convs->Convert_0888_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
/* ==== any 0888 dib -> any 0888 bmp ==== */
convs->Convert_0888_any
(width,lines,
srcbits,linebytes,
rSrc,gSrc,bSrc,
dstbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
}
} else if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
/* the tests below assume sane bmpImage masks */
} else {
/* ==== any 0888 dib -> any 0888 bmp ==== */
convs->Convert_0888_any
(width,lines,
srcbits,linebytes,
rSrc,gSrc,bSrc,
dstbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
}
}
break;
case 15:
case 16:
{
char* dstbits;
srcbits=srcbits+left*4;
dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
if (rSrc==0xff0000 && gSrc==0x00ff00 && bSrc==0x0000ff) {
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->red_mask==0x7f00) {
/* ==== rgb 0888 dib -> rgb 555 bmp ==== */
convs->Convert_0888_to_555_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->blue_mask==0x7f00) {
/* ==== rgb 0888 dib -> bgr 555 bmp ==== */
convs->Convert_0888_to_555_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->red_mask==0xf800) {
/* ==== rgb 0888 dib -> rgb 565 bmp ==== */
convs->Convert_0888_to_565_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->blue_mask==0xf800) {
/* ==== rgb 0888 dib -> bgr 565 bmp ==== */
convs->Convert_0888_to_565_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
goto notsupported;
}
} else {
goto notsupported;
}
} else if (rSrc==0x0000ff && gSrc==0x00ff00 && bSrc==0xff0000) {
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->blue_mask==0x7f00) {
/* ==== bgr 0888 dib -> bgr 555 bmp ==== */
convs->Convert_0888_to_555_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->red_mask==0x7f00) {
/* ==== bgr 0888 dib -> rgb 555 bmp ==== */
convs->Convert_0888_to_555_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->blue_mask==0xf800) {
/* ==== bgr 0888 dib -> bgr 565 bmp ==== */
convs->Convert_0888_to_565_asis
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else if (bmpImage->red_mask==0xf800) {
/* ==== bgr 0888 dib -> rgb 565 bmp ==== */
convs->Convert_0888_to_565_reverse
(width,lines,
srcbits,linebytes,
dstbits,-bmpImage->bytes_per_line);
} else {
goto notsupported;
}
} else {
goto notsupported;
}
} else {
if (bmpImage->green_mask==0x03e0 &&
(bmpImage->red_mask==0x7f00 ||
bmpImage->blue_mask==0x7f00)) {
/* ==== any 0888 dib -> rgb or bgr 555 bmp ==== */
convs->Convert_any0888_to_5x5
(width,lines,
srcbits,linebytes,
rSrc,gSrc,bSrc,
dstbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
} else if (bmpImage->green_mask==0x07e0 &&
(bmpImage->red_mask==0xf800 ||
bmpImage->blue_mask==0xf800)) {
/* ==== any 0888 dib -> rgb or bgr 565 bmp ==== */
convs->Convert_any0888_to_5x5
(width,lines,
srcbits,linebytes,
rSrc,gSrc,bSrc,
dstbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
} else {
goto notsupported;
}
}
}
break;
default:
notsupported:
WARN("from 32 bit DIB (%x,%x,%x) to unknown %d bit bitmap (%lx,%lx,%lx)\n",
rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask );
/* fall through */
case 1:
case 4:
case 8:
{
/* ==== any 0888 dib -> pal 1, 4 or 8 bmp ==== */
const DWORD* srcpixel;
int rShift,gShift,bShift;
rShift=X11DRV_DIB_MaskToShift(rSrc);
gShift=X11DRV_DIB_MaskToShift(gSrc);
bShift=X11DRV_DIB_MaskToShift(bSrc);
srcbits+=left*4;
for (h = lines - 1; h >= 0; h--) {
srcpixel=(const DWORD*)srcbits;
for (x = left; x < width+left; x++) {
DWORD srcvalue;
BYTE red,green,blue;
srcvalue=*srcpixel++;
red= (srcvalue >> rShift) & 0xff;
green=(srcvalue >> gShift) & 0xff;
blue= (srcvalue >> bShift) & 0xff;
XPutPixel(bmpImage, x, h, X11DRV_PALETTE_ToPhysical
(physDev, RGB(red,green,blue)));
}
srcbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_GetImageBits_32
*
* GetDIBits for an 32-bit deep DIB.
*/
static void X11DRV_DIB_GetImageBits_32( X11DRV_PDEVICE *physDev, int lines, BYTE *dstbits,
DWORD dstwidth, DWORD srcwidth,
PALETTEENTRY *srccolors,
DWORD rDst, DWORD gDst, DWORD bDst,
XImage *bmpImage, int linebytes )
{
DWORD x;
int h, width = min(srcwidth, dstwidth);
const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap;
if (lines < 0 )
{
lines = -lines;
dstbits = dstbits + ( linebytes * (lines-1) );
linebytes = -linebytes;
}
switch (bmpImage->depth)
{
case 24:
if (bmpImage->bits_per_pixel==24) {
const void* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (rDst==bmpImage->red_mask && gDst==bmpImage->green_mask && bDst==bmpImage->blue_mask) {
/* ==== rgb 888 bmp -> rgb 0888 dib ==== */
/* ==== bgr 888 bmp -> bgr 0888 dib ==== */
convs->Convert_888_to_0888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
/* the tests below assume sane bmpImage masks */
} else if (rDst==bmpImage->blue_mask && gDst==bmpImage->green_mask && bDst==bmpImage->red_mask) {
/* ==== rgb 888 bmp -> bgr 0888 dib ==== */
/* ==== bgr 888 bmp -> rgb 0888 dib ==== */
convs->Convert_888_to_0888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->blue_mask==0xff) {
/* ==== rgb 888 bmp -> any 0888 dib ==== */
convs->Convert_rgb888_to_any0888
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes,
rDst,gDst,bDst);
} else {
/* ==== bgr 888 bmp -> any 0888 dib ==== */
convs->Convert_bgr888_to_any0888
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes,
rDst,gDst,bDst);
}
break;
}
/* fall through */
case 32:
{
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (gDst==bmpImage->green_mask) {
if (rDst==bmpImage->red_mask && bDst==bmpImage->blue_mask) {
/* ==== rgb 0888 bmp -> rgb 0888 dib ==== */
/* ==== bgr 0888 bmp -> bgr 0888 dib ==== */
convs->Convert_0888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
/* the tests below assume sane bmpImage masks */
} else if (rDst==bmpImage->blue_mask && bDst==bmpImage->red_mask) {
/* ==== rgb 0888 bmp -> bgr 0888 dib ==== */
/* ==== bgr 0888 bmp -> rgb 0888 dib ==== */
convs->Convert_0888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
/* ==== any 0888 bmp -> any 0888 dib ==== */
convs->Convert_0888_any
(width,lines,
srcbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
dstbits,linebytes,
rDst,gDst,bDst);
}
} else if (bmpImage->green_mask!=0x00ff00 ||
(bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
goto notsupported;
/* the tests below assume sane bmpImage masks */
} else {
/* ==== any 0888 bmp -> any 0888 dib ==== */
convs->Convert_0888_any
(width,lines,
srcbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
dstbits,linebytes,
rDst,gDst,bDst);
}
}
break;
case 15:
case 16:
{
const char* srcbits;
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
if (rDst==0xff0000 && gDst==0x00ff00 && bDst==0x0000ff) {
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->red_mask==0x7f00) {
/* ==== rgb 555 bmp -> rgb 0888 dib ==== */
convs->Convert_555_to_0888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->blue_mask==0x7f00) {
/* ==== bgr 555 bmp -> rgb 0888 dib ==== */
convs->Convert_555_to_0888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->red_mask==0xf800) {
/* ==== rgb 565 bmp -> rgb 0888 dib ==== */
convs->Convert_565_to_0888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->blue_mask==0xf800) {
/* ==== bgr 565 bmp -> rgb 0888 dib ==== */
convs->Convert_565_to_0888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
goto notsupported;
}
} else {
goto notsupported;
}
} else if (rDst==0x0000ff && gDst==0x00ff00 && bDst==0xff0000) {
if (bmpImage->green_mask==0x03e0) {
if (bmpImage->blue_mask==0x7f00) {
/* ==== bgr 555 bmp -> bgr 0888 dib ==== */
convs->Convert_555_to_0888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->red_mask==0x7f00) {
/* ==== rgb 555 bmp -> bgr 0888 dib ==== */
convs->Convert_555_to_0888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
goto notsupported;
}
} else if (bmpImage->green_mask==0x07e0) {
if (bmpImage->blue_mask==0xf800) {
/* ==== bgr 565 bmp -> bgr 0888 dib ==== */
convs->Convert_565_to_0888_asis
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else if (bmpImage->red_mask==0xf800) {
/* ==== rgb 565 bmp -> bgr 0888 dib ==== */
convs->Convert_565_to_0888_reverse
(width,lines,
srcbits,-bmpImage->bytes_per_line,
dstbits,linebytes);
} else {
goto notsupported;
}
} else {
goto notsupported;
}
} else {
if (bmpImage->green_mask==0x03e0 &&
(bmpImage->red_mask==0x7f00 ||
bmpImage->blue_mask==0x7f00)) {
/* ==== rgb or bgr 555 bmp -> any 0888 dib ==== */
convs->Convert_5x5_to_any0888
(width,lines,
srcbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
dstbits,linebytes,
rDst,gDst,bDst);
} else if (bmpImage->green_mask==0x07e0 &&
(bmpImage->red_mask==0xf800 ||
bmpImage->blue_mask==0xf800)) {
/* ==== rgb or bgr 565 bmp -> any 0888 dib ==== */
convs->Convert_5x5_to_any0888
(width,lines,
srcbits,-bmpImage->bytes_per_line,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
dstbits,linebytes,
rDst,gDst,bDst);
} else {
goto notsupported;
}
}
}
break;
case 1:
case 4:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 1 or 4 bmp -> any 0888 dib ==== */
int rShift,gShift,bShift;
DWORD* dstpixel;
rShift=X11DRV_DIB_MaskToShift(rDst);
gShift=X11DRV_DIB_MaskToShift(gDst);
bShift=X11DRV_DIB_MaskToShift(bDst);
for (h = lines - 1; h >= 0; h--) {
dstpixel=(DWORD*)dstbits;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
srcval = srccolors[XGetPixel(bmpImage, x, h)];
*dstpixel++=(srcval.peRed << rShift) |
(srcval.peGreen << gShift) |
(srcval.peBlue << bShift);
}
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
case 8:
if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask)
&& srccolors) {
/* ==== pal 8 bmp -> any 0888 dib ==== */
int rShift,gShift,bShift;
const void* srcbits;
const BYTE* srcpixel;
DWORD* dstpixel;
rShift=X11DRV_DIB_MaskToShift(rDst);
gShift=X11DRV_DIB_MaskToShift(gDst);
bShift=X11DRV_DIB_MaskToShift(bDst);
srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
for (h = lines - 1; h >= 0; h--) {
srcpixel=srcbits;
dstpixel=(DWORD*)dstbits;
for (x = 0; x < width; x++) {
PALETTEENTRY srcval;
srcval=srccolors[*srcpixel++];
*dstpixel++=(srcval.peRed << rShift) |
(srcval.peGreen << gShift) |
(srcval.peBlue << bShift);
}
srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
dstbits += linebytes;
}
} else {
goto notsupported;
}
break;
default:
notsupported:
{
/* ==== any bmp format -> any 0888 dib ==== */
int rShift,gShift,bShift;
DWORD* dstpixel;
WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 32 bit DIB (%x,%x,%x)\n",
bmpImage->depth, bmpImage->red_mask,
bmpImage->green_mask, bmpImage->blue_mask,
rDst,gDst,bDst);
rShift=X11DRV_DIB_MaskToShift(rDst);
gShift=X11DRV_DIB_MaskToShift(gDst);
bShift=X11DRV_DIB_MaskToShift(bDst);
for (h = lines - 1; h >= 0; h--) {
dstpixel=(DWORD*)dstbits;
for (x = 0; x < width; x++) {
COLORREF srcval;
srcval=X11DRV_PALETTE_ToLogical(physDev, XGetPixel(bmpImage, x, h));
*dstpixel++=(GetRValue(srcval) << rShift) |
(GetGValue(srcval) << gShift) |
(GetBValue(srcval) << bShift);
}
dstbits += linebytes;
}
}
break;
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits
*
* Transfer the bits to an X image.
* Helper function for SetDIBits() and SetDIBitsToDevice().
*/
static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
{
int lines = descr->lines >= 0 ? descr->lines : -descr->lines;
void *old_data = NULL;
XImage *bmpImage;
wine_tsx11_lock();
if (descr->image)
bmpImage = descr->image;
else {
bmpImage = XCreateImage( gdi_display, visual, descr->depth, ZPixmap, 0, NULL,
descr->infoWidth, lines, 32, 0 );
bmpImage->data = HeapAlloc( GetProcessHeap(), 0, lines * bmpImage->bytes_per_line );
if(bmpImage->data == NULL) {
ERR("Out of memory!\n");
XDestroyImage( bmpImage );
wine_tsx11_unlock();
return 0;
}
if (descr->shifts)
{
bmpImage->red_mask = descr->shifts->physicalRed.max << descr->shifts->physicalRed.shift;
bmpImage->green_mask = descr->shifts->physicalGreen.max << descr->shifts->physicalGreen.shift;
bmpImage->blue_mask = descr->shifts->physicalBlue.max << descr->shifts->physicalBlue.shift;
}
}
wine_tsx11_unlock();
TRACE("Dib: depth=%d r=%x g=%x b=%x\n",
descr->infoBpp,descr->rMask,descr->gMask,descr->bMask);
TRACE("Bmp: depth=%d/%d r=%lx g=%lx b=%lx\n",
bmpImage->depth,bmpImage->bits_per_pixel,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
#ifdef HAVE_LIBXXSHM
if (descr->shm_mode == X11DRV_SHM_PIXMAP
&& descr->xSrc == 0 && descr->ySrc == 0
&& descr->xDest == 0 && descr->yDest == 0)
{
TRACE("Using the shared pixmap data.\n");
wine_tsx11_lock();
XSync( gdi_display, False );
wine_tsx11_unlock();
old_data = descr->image->data;
descr->image->data = descr->physBitmap->shminfo.shmaddr;
}
#endif
/* Transfer the pixels */
__TRY
{
switch(descr->infoBpp)
{
case 1:
X11DRV_DIB_SetImageBits_1( descr->lines, descr->bits, descr->infoWidth,
descr->width, descr->xSrc, (int *)(descr->colorMap),
bmpImage, descr->dibpitch );
break;
case 4:
X11DRV_DIB_SetImageBits_4( descr->lines, descr->bits,
descr->infoWidth, descr->width,
descr->xSrc, (int*)(descr->colorMap),
bmpImage, descr->dibpitch );
break;
case 8:
X11DRV_DIB_SetImageBits_8( descr->lines, descr->bits,
descr->infoWidth, descr->width,
descr->xSrc, (int *)(descr->colorMap),
bmpImage, descr->dibpitch );
break;
case 16:
X11DRV_DIB_SetImageBits_16( descr->lines, descr->bits,
descr->infoWidth, descr->width,
descr->xSrc, descr->physDev,
descr->rMask, descr->gMask, descr->bMask,
bmpImage, descr->dibpitch);
break;
case 24:
X11DRV_DIB_SetImageBits_24( descr->lines, descr->bits,
descr->infoWidth, descr->width,
descr->xSrc, descr->physDev,
descr->rMask, descr->gMask, descr->bMask,
bmpImage, descr->dibpitch);
break;
case 32:
X11DRV_DIB_SetImageBits_32( descr->lines, descr->bits,
descr->infoWidth, descr->width,
descr->xSrc, descr->physDev,
descr->rMask, descr->gMask, descr->bMask,
bmpImage, descr->dibpitch);
break;
default:
WARN("(%d): Invalid depth\n", descr->infoBpp );
break;
}
}
__EXCEPT_PAGE_FAULT
{
WARN( "invalid bits pointer %p\n", descr->bits );
lines = 0;
}
__ENDTRY
TRACE("XPutImage(%ld,%p,%p,%d,%d,%d,%d,%d,%d)\n",
descr->drawable, descr->gc, bmpImage,
descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
descr->width, descr->height);
wine_tsx11_lock();
if (lines)
{
#ifdef HAVE_LIBXXSHM
if (descr->shm_mode == X11DRV_SHM_PIXMAP
&& descr->xSrc == 0 && descr->ySrc == 0
&& descr->xDest == 0 && descr->yDest == 0)
{
XSync( gdi_display, False );
}
else if (descr->shm_mode == X11DRV_SHM_IMAGE && descr->image)
{
XShmPutImage( gdi_display, descr->drawable, descr->gc, bmpImage,
descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
descr->width, descr->height, FALSE );
XSync( gdi_display, 0 );
}
else
#endif
{
XPutImage( gdi_display, descr->drawable, descr->gc, bmpImage,
descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
descr->width, descr->height );
}
}
if (old_data) descr->image->data = old_data;
if (!descr->image) X11DRV_DIB_DestroyXImage( bmpImage );
wine_tsx11_unlock();
return lines;
}
/***********************************************************************
* X11DRV_DIB_GetImageBits
*
* Transfer the bits from an X image.
*/
static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
{
int lines = descr->lines >= 0 ? descr->lines : -descr->lines;
void *old_data = NULL;
XImage *bmpImage;
wine_tsx11_lock();
if (descr->image)
bmpImage = descr->image;
else {
bmpImage = XCreateImage( gdi_display, visual, descr->depth, ZPixmap, 0, NULL,
descr->infoWidth, lines, 32, 0 );
bmpImage->data = HeapAlloc( GetProcessHeap(), 0, lines * bmpImage->bytes_per_line );
if(bmpImage->data == NULL) {
ERR("Out of memory!\n");
XDestroyImage( bmpImage );
wine_tsx11_unlock();
return 0;
}
if (descr->shifts)
{
bmpImage->red_mask = descr->shifts->physicalRed.max << descr->shifts->physicalRed.shift;
bmpImage->green_mask = descr->shifts->physicalGreen.max << descr->shifts->physicalGreen.shift;
bmpImage->blue_mask = descr->shifts->physicalBlue.max << descr->shifts->physicalBlue.shift;
}
}
#ifdef HAVE_LIBXXSHM
/* We must not call XShmGetImage() with a bitmap which is bigger than the available area.
If we do, XShmGetImage() will fail (X exception), as it checks for this internally. */
if (descr->shm_mode == X11DRV_SHM_PIXMAP && descr->image
&& descr->xSrc == 0 && descr->ySrc == 0
&& descr->xDest == 0 && descr->yDest == 0
&& bmpImage->width <= (descr->width - descr->xSrc)
&& bmpImage->height <= (descr->height - descr->ySrc))
{
XSync( gdi_display, False );
old_data = bmpImage->data;
bmpImage->data = descr->physBitmap->shminfo.shmaddr;
TRACE("Using shared pixmap data.\n");
}
else if (descr->shm_mode == X11DRV_SHM_IMAGE && descr->image
&& bmpImage->width <= (descr->width - descr->xSrc)
&& bmpImage->height <= (descr->height - descr->ySrc))
{
int saveRed, saveGreen, saveBlue;
TRACE("XShmGetImage(%p, %ld, %p, %d, %d, %ld)\n",
gdi_display, descr->drawable, bmpImage,
descr->xSrc, descr->ySrc, AllPlanes);
/* We must save and restore the bmpImage's masks in order
* to preserve them across the call to XShmGetImage, which
* decides to eliminate them since it doesn't happen to know
* what the format of the image is supposed to be, even though
* we do. */
saveRed = bmpImage->red_mask;
saveBlue= bmpImage->blue_mask;
saveGreen = bmpImage->green_mask;
XShmGetImage( gdi_display, descr->drawable, bmpImage,
descr->xSrc, descr->ySrc, AllPlanes);
bmpImage->red_mask = saveRed;
bmpImage->blue_mask = saveBlue;
bmpImage->green_mask = saveGreen;
}
else
#endif /* HAVE_LIBXXSHM */
{
TRACE("XGetSubImage(%p,%ld,%d,%d,%d,%d,%ld,%d,%p,%d,%d)\n",
gdi_display, descr->drawable, descr->xSrc, descr->ySrc, descr->width,
lines, AllPlanes, ZPixmap, bmpImage, descr->xDest, descr->yDest);
XGetSubImage( gdi_display, descr->drawable, descr->xSrc, descr->ySrc,
descr->width, lines, AllPlanes, ZPixmap,
bmpImage, descr->xDest, descr->yDest );
}
wine_tsx11_unlock();
TRACE("Dib: depth=%2d r=%x g=%x b=%x\n",
descr->infoBpp,descr->rMask,descr->gMask,descr->bMask);
TRACE("Bmp: depth=%2d/%2d r=%lx g=%lx b=%lx\n",
bmpImage->depth,bmpImage->bits_per_pixel,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
/* Transfer the pixels */
switch(descr->infoBpp)
{
case 1:
X11DRV_DIB_GetImageBits_1( descr->lines,(LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
case 4:
X11DRV_DIB_GetImageBits_4( descr->lines,(LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
case 8:
X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
case 16:
X11DRV_DIB_GetImageBits_16( descr->physDev, descr->lines, (LPVOID)descr->bits,
descr->infoWidth,descr->width,
descr->palentry,
descr->rMask, descr->gMask, descr->bMask,
bmpImage, descr->dibpitch );
break;
case 24:
X11DRV_DIB_GetImageBits_24( descr->physDev, descr->lines, (LPVOID)descr->bits,
descr->infoWidth,descr->width,
descr->palentry,
descr->rMask, descr->gMask, descr->bMask,
bmpImage, descr->dibpitch);
break;
case 32:
X11DRV_DIB_GetImageBits_32( descr->physDev, descr->lines, (LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->palentry,
descr->rMask, descr->gMask, descr->bMask,
bmpImage, descr->dibpitch);
break;
default:
WARN("(%d): Invalid depth\n", descr->infoBpp );
break;
}
if (old_data) bmpImage->data = old_data;
if (!descr->image) X11DRV_DIB_DestroyXImage( bmpImage );
return lines;
}
/***********************************************************************
* X11DRV_DIB_DoCopyDIBSection
*/
static void X11DRV_DIB_DoCopyDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB,
void *colorMap, int nColorMap,
Drawable dest, GC gc,
DWORD xSrc, DWORD ySrc,
DWORD xDest, DWORD yDest,
DWORD width, DWORD height)
{
DIBSECTION dibSection;
X11DRV_DIB_IMAGEBITS_DESCR descr;
int identity[2] = {0,1};
if (!GetObjectW( physBitmap->hbitmap, sizeof(dibSection), &dibSection )) return;
descr.physDev = NULL;
descr.palentry = NULL;
descr.infoWidth = dibSection.dsBmih.biWidth;
descr.infoBpp = dibSection.dsBmih.biBitCount;
descr.lines = physBitmap->topdown ? -dibSection.dsBmih.biHeight : dibSection.dsBmih.biHeight;
descr.image = physBitmap->image;
descr.colorMap = colorMap;
descr.nColorMap = nColorMap;
descr.bits = dibSection.dsBm.bmBits;
descr.depth = physBitmap->depth;
descr.shifts = physBitmap->trueColor ? &physBitmap->color_shifts : NULL;
descr.compression = dibSection.dsBmih.biCompression;
descr.physBitmap = physBitmap;
if(descr.infoBpp == 1)
descr.colorMap = (void*)identity;
switch (descr.infoBpp)
{
case 1:
case 4:
case 8:
descr.rMask = descr.gMask = descr.bMask = 0;
break;
case 15:
case 16:
descr.rMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[0] : 0x7c00;
descr.gMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[1] : 0x03e0;
descr.bMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[2] : 0x001f;
break;
case 24:
case 32:
descr.rMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[0] : 0xff0000;
descr.gMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[1] : 0x00ff00;
descr.bMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[2] : 0x0000ff;
break;
}
/* Hack for now */
descr.drawable = dest;
descr.gc = gc;
descr.xSrc = xSrc;
descr.ySrc = ySrc;
descr.xDest = xDest;
descr.yDest = yDest;
descr.width = width;
descr.height = height;
descr.sizeImage = 0;
descr.shm_mode = physBitmap->shm_mode;
#ifdef HAVE_LIBXXSHM
if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP && physBitmap->pixmap != dest)
{
descr.shm_mode = X11DRV_SHM_NONE;
}
#endif
descr.dibpitch = dibSection.dsBm.bmWidthBytes;
if (toDIB)
{
TRACE("Copying from Pixmap to DIB bits\n");
X11DRV_DIB_GetImageBits( &descr );
}
else
{
TRACE("Copying from DIB bits to Pixmap\n");
X11DRV_DIB_SetImageBits( &descr );
}
}
/***********************************************************************
* X11DRV_DIB_DoUpdateDIBSection
*/
static void X11DRV_DIB_DoUpdateDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB)
{
BITMAP bitmap;
GetObjectW( physBitmap->hbitmap, sizeof(bitmap), &bitmap );
X11DRV_DIB_DoCopyDIBSection(physBitmap, toDIB,
physBitmap->colorMap, physBitmap->nColorMap,
physBitmap->pixmap, get_bitmap_gc(physBitmap->depth),
0, 0, 0, 0, bitmap.bmWidth, bitmap.bmHeight);
}
/***********************************************************************
* X11DRV_DIB_FaultHandler
*/
static LONG CALLBACK X11DRV_DIB_FaultHandler( PEXCEPTION_POINTERS ep )
{
X_PHYSBITMAP *physBitmap = NULL;
BOOL found = FALSE;
BYTE *addr;
struct list *ptr;
const size_t pagemask = getpagesize() - 1;
if (ep->ExceptionRecord->ExceptionCode != EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_CONTINUE_SEARCH;
addr = (BYTE *)ep->ExceptionRecord->ExceptionInformation[1];
EnterCriticalSection(&dibs_cs);
LIST_FOR_EACH( ptr, &dibs_list )
{
physBitmap = LIST_ENTRY( ptr, X_PHYSBITMAP, entry );
if ((physBitmap->base <= addr) &&
(addr < physBitmap->base + ((physBitmap->size + pagemask) & ~pagemask)))
{
found = TRUE;
break;
}
}
LeaveCriticalSection(&dibs_cs);
if (!found) return EXCEPTION_CONTINUE_SEARCH;
if (addr >= physBitmap->base + physBitmap->size)
WARN( "%p: access to %p beyond the end of the DIB\n", physBitmap->hbitmap, addr );
X11DRV_DIB_Lock( physBitmap, DIB_Status_None );
if (ep->ExceptionRecord->ExceptionInformation[0] == EXCEPTION_WRITE_FAULT) {
/* the app tried to write the DIB bits */
X11DRV_DIB_Coerce( physBitmap, DIB_Status_AppMod);
} else {
/* the app tried to read the DIB bits */
X11DRV_DIB_Coerce( physBitmap, DIB_Status_InSync);
}
X11DRV_DIB_Unlock( physBitmap, TRUE );
return EXCEPTION_CONTINUE_EXECUTION;
}
/***********************************************************************
* X11DRV_DIB_Coerce
*/
static INT X11DRV_DIB_Coerce(X_PHYSBITMAP *physBitmap, INT req)
{
INT ret = DIB_Status_None;
if (!physBitmap->image) return ret; /* not a DIB section */
EnterCriticalSection(&physBitmap->lock);
ret = physBitmap->status;
switch (req) {
case DIB_Status_GdiMod:
/* GDI access - request to draw on pixmap */
switch (physBitmap->status)
{
default:
case DIB_Status_None:
physBitmap->p_status = DIB_Status_GdiMod;
X11DRV_DIB_DoUpdateDIBSection( physBitmap, FALSE );
break;
case DIB_Status_GdiMod:
TRACE("GdiMod requested in status GdiMod\n" );
physBitmap->p_status = DIB_Status_GdiMod;
break;
case DIB_Status_InSync:
TRACE("GdiMod requested in status InSync\n" );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_NOACCESS );
physBitmap->status = DIB_Status_GdiMod;
physBitmap->p_status = DIB_Status_InSync;
break;
case DIB_Status_AppMod:
TRACE("GdiMod requested in status AppMod\n" );
/* make it readonly to avoid app changing data while we copy */
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY );
X11DRV_DIB_DoUpdateDIBSection( physBitmap, FALSE );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_NOACCESS );
physBitmap->p_status = DIB_Status_AppMod;
physBitmap->status = DIB_Status_GdiMod;
break;
}
break;
case DIB_Status_InSync:
/* App access - request access to read DIB surface */
/* (typically called from signal handler) */
switch (physBitmap->status)
{
default:
case DIB_Status_None:
/* shouldn't happen from signal handler */
break;
case DIB_Status_GdiMod:
TRACE("InSync requested in status GdiMod\n" );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY );
physBitmap->status = DIB_Status_InSync;
break;
case DIB_Status_InSync:
TRACE("InSync requested in status InSync\n" );
/* shouldn't happen from signal handler */
break;
case DIB_Status_AppMod:
TRACE("InSync requested in status AppMod\n" );
/* no reason to do anything here, and this
* shouldn't happen from signal handler */
break;
}
break;
case DIB_Status_AppMod:
/* App access - request access to write DIB surface */
/* (typically called from signal handler) */
switch (physBitmap->status)
{
default:
case DIB_Status_None:
/* shouldn't happen from signal handler */
break;
case DIB_Status_GdiMod:
TRACE("AppMod requested in status GdiMod\n" );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE );
physBitmap->status = DIB_Status_AppMod;
break;
case DIB_Status_InSync:
TRACE("AppMod requested in status InSync\n" );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
physBitmap->status = DIB_Status_AppMod;
break;
case DIB_Status_AppMod:
TRACE("AppMod requested in status AppMod\n" );
/* shouldn't happen from signal handler */
break;
}
break;
/* it is up to the caller to do the copy/conversion, probably
* using the return value to decide where to copy from */
}
LeaveCriticalSection(&physBitmap->lock);
return ret;
}
/***********************************************************************
* X11DRV_DIB_Lock
*/
INT X11DRV_DIB_Lock(X_PHYSBITMAP *physBitmap, INT req)
{
INT ret = DIB_Status_None;
if (!physBitmap->image) return ret; /* not a DIB section */
TRACE("Locking %p from thread %04x\n", physBitmap->hbitmap, GetCurrentThreadId());
EnterCriticalSection(&physBitmap->lock);
ret = physBitmap->status;
if (req != DIB_Status_None)
X11DRV_DIB_Coerce(physBitmap, req);
return ret;
}
/***********************************************************************
* X11DRV_DIB_Unlock
*/
void X11DRV_DIB_Unlock(X_PHYSBITMAP *physBitmap, BOOL commit)
{
if (!physBitmap->image) return; /* not a DIB section */
switch (physBitmap->status)
{
default:
case DIB_Status_None:
/* in case anyone is wondering, this is the "signal handler doesn't
* work" case, where we always have to be ready for app access */
if (commit) {
switch (physBitmap->p_status)
{
case DIB_Status_GdiMod:
TRACE("Unlocking and syncing from GdiMod\n" );
X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE );
break;
default:
TRACE("Unlocking without needing to sync\n" );
break;
}
}
else TRACE("Unlocking with no changes\n");
physBitmap->p_status = DIB_Status_None;
break;
case DIB_Status_GdiMod:
TRACE("Unlocking in status GdiMod\n" );
/* DIB was protected in Coerce */
if (!commit) {
/* no commit, revert to InSync if applicable */
if ((physBitmap->p_status == DIB_Status_InSync) ||
(physBitmap->p_status == DIB_Status_AppMod)) {
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY );
physBitmap->status = DIB_Status_InSync;
}
}
break;
case DIB_Status_InSync:
TRACE("Unlocking in status InSync\n" );
/* DIB was already protected in Coerce */
break;
case DIB_Status_AppMod:
TRACE("Unlocking in status AppMod\n" );
/* DIB was already protected in Coerce */
/* this case is ordinary only called from the signal handler,
* so we don't bother to check for !commit */
break;
}
LeaveCriticalSection(&physBitmap->lock);
TRACE("Unlocked %p\n", physBitmap->hbitmap);
}
/***********************************************************************
* X11DRV_CoerceDIBSection
*/
INT X11DRV_CoerceDIBSection(X11DRV_PDEVICE *physDev, INT req)
{
if (!physDev || !physDev->bitmap) return DIB_Status_None;
return X11DRV_DIB_Coerce(physDev->bitmap, req);
}
/***********************************************************************
* X11DRV_LockDIBSection
*/
INT X11DRV_LockDIBSection(X11DRV_PDEVICE *physDev, INT req)
{
if (!physDev || !physDev->bitmap) return DIB_Status_None;
return X11DRV_DIB_Lock(physDev->bitmap, req);
}
/***********************************************************************
* X11DRV_UnlockDIBSection
*/
void X11DRV_UnlockDIBSection(X11DRV_PDEVICE *physDev, BOOL commit)
{
if (!physDev || !physDev->bitmap) return;
X11DRV_DIB_Unlock(physDev->bitmap, commit);
}
#ifdef HAVE_LIBXXSHM
/***********************************************************************
* X11DRV_XShmErrorHandler
*
*/
static int XShmErrorHandler( Display *dpy, XErrorEvent *event, void *arg )
{
return 1; /* FIXME: should check event contents */
}
/***********************************************************************
* X11DRV_XShmCreateImage
*
*/
static XImage *X11DRV_XShmCreateImage( int width, int height, int bpp,
XShmSegmentInfo* shminfo)
{
XImage *image;
image = XShmCreateImage(gdi_display, visual, bpp, ZPixmap, NULL, shminfo, width, height);
if (image)
{
shminfo->shmid = shmget(IPC_PRIVATE, image->bytes_per_line * height,
IPC_CREAT|0700);
if( shminfo->shmid != -1 )
{
shminfo->shmaddr = shmat( shminfo->shmid, 0, 0 );
if( shminfo->shmaddr != (char*)-1 )
{
BOOL ok;
shminfo->readOnly = FALSE;
X11DRV_expect_error( gdi_display, XShmErrorHandler, NULL );
ok = (XShmAttach( gdi_display, shminfo ) != 0);
XSync( gdi_display, False );
if (X11DRV_check_error()) ok = FALSE;
if (ok)
{
shmctl(shminfo->shmid, IPC_RMID, 0);
return image; /* Success! */
}
/* An error occurred */
shmdt(shminfo->shmaddr);
}
shmctl(shminfo->shmid, IPC_RMID, 0);
shminfo->shmid = -1;
}
XFlush(gdi_display);
XDestroyImage(image);
image = NULL;
}
return image;
}
#endif /* HAVE_LIBXXSHM */
static Bool X11DRV_DIB_QueryXShm( Bool *pixmaps )
{
static Bool have_xshm, have_xshm_pixmaps;
static BOOL initialized;
if (!initialized)
{
#ifdef HAVE_LIBXXSHM
int major, minor;
have_xshm = XShmQueryVersion( gdi_display, &major, &minor, &have_xshm_pixmaps );
#endif
initialized = TRUE;
}
*pixmaps = have_xshm_pixmaps;
return have_xshm;
}
/***********************************************************************
* X11DRV_CreateDIBSection (X11DRV.@)
*/
HBITMAP X11DRV_CreateDIBSection( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *bmi, UINT usage )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
X_PHYSBITMAP *physBitmap;
DIBSECTION dib;
#ifdef HAVE_LIBXXSHM
Bool pixmaps;
#endif
if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return 0;
physBitmap->topdown = bmi->bmiHeader.biHeight < 0;
physBitmap->status = DIB_Status_None;
GetObjectW( hbitmap, sizeof(dib), &dib );
/* create color map */
if (dib.dsBm.bmBitsPixel <= 8)
{
physBitmap->colorMap = X11DRV_DIB_BuildColorMap( physDev,
usage, dib.dsBm.bmBitsPixel, bmi,
&physBitmap->nColorMap );
}
if (!X11DRV_XRender_SetPhysBitmapDepth( physBitmap, dib.dsBm.bmBitsPixel, &dib ))
{
if (dib.dsBm.bmBitsPixel == 1)
{
physBitmap->depth = 1;
physBitmap->trueColor = FALSE;
}
else
{
physBitmap->depth = screen_depth;
physBitmap->color_shifts = X11DRV_PALETTE_default_shifts;
physBitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
}
}
/* create pixmap and X image */
wine_tsx11_lock();
#ifdef HAVE_LIBXXSHM
physBitmap->shminfo.shmid = -1;
if (X11DRV_DIB_QueryXShm( &pixmaps )
&& (physBitmap->image = X11DRV_XShmCreateImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->depth, &physBitmap->shminfo )))
{
if (pixmaps)
{
physBitmap->shm_mode = X11DRV_SHM_PIXMAP;
physBitmap->image->data = HeapAlloc( GetProcessHeap(), 0,
dib.dsBm.bmHeight * physBitmap->image->bytes_per_line );
}
else
{
physBitmap->shm_mode = X11DRV_SHM_IMAGE;
physBitmap->image->data = physBitmap->shminfo.shmaddr;
}
}
else
#endif
{
physBitmap->shm_mode = X11DRV_SHM_NONE;
physBitmap->image = X11DRV_DIB_CreateXImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->depth );
}
#ifdef HAVE_LIBXXSHM
if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP)
{
TRACE("Creating shared pixmap for bmp %p.\n", physBitmap->hbitmap);
physBitmap->pixmap = XShmCreatePixmap( gdi_display, root_window,
physBitmap->shminfo.shmaddr, &physBitmap->shminfo,
dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->depth );
}
else
#endif
{
physBitmap->pixmap = XCreatePixmap( gdi_display, root_window, dib.dsBm.bmWidth,
dib.dsBm.bmHeight, physBitmap->depth );
}
wine_tsx11_unlock();
if (!physBitmap->pixmap || !physBitmap->image) return 0;
if (physBitmap->trueColor)
{
ColorShifts *shifts = &physBitmap->color_shifts;
/* When XRender is around and used, we also support dibsections in other formats like 16-bit. In these
* cases we need to override the mask of XImages. The reason is that during XImage creation the masks are
* derived from a 24-bit visual (no 16-bit ones are around when X runs at 24-bit). SetImageBits and other
* functions rely on the color masks for proper color conversion, so we need to override the masks here. */
physBitmap->image->red_mask = shifts->physicalRed.max << shifts->physicalRed.shift;
physBitmap->image->green_mask = shifts->physicalGreen.max << shifts->physicalGreen.shift;
physBitmap->image->blue_mask = shifts->physicalBlue.max << shifts->physicalBlue.shift;
}
/* install fault handler */
InitializeCriticalSection( &physBitmap->lock );
physBitmap->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": X_PHYSBITMAP.lock");
physBitmap->base = dib.dsBm.bmBits;
physBitmap->size = dib.dsBmih.biSizeImage;
physBitmap->status = DIB_Status_AppMod;
if (!dibs_handler)
dibs_handler = AddVectoredExceptionHandler( TRUE, X11DRV_DIB_FaultHandler );
EnterCriticalSection( &dibs_cs );
list_add_head( &dibs_list, &physBitmap->entry );
LeaveCriticalSection( &dibs_cs );
X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
return hbitmap;
}
/***********************************************************************
* X11DRV_DIB_DeleteDIBSection
*/
void X11DRV_DIB_DeleteDIBSection(X_PHYSBITMAP *physBitmap, DIBSECTION *dib)
{
BOOL last;
EnterCriticalSection( &dibs_cs );
list_remove( &physBitmap->entry );
last = list_empty( &dibs_list );
LeaveCriticalSection( &dibs_cs );
if (last)
{
RemoveVectoredExceptionHandler( dibs_handler );
dibs_handler = NULL;
}
if (dib->dshSection)
X11DRV_DIB_Coerce(physBitmap, DIB_Status_InSync);
if (physBitmap->image)
{
wine_tsx11_lock();
#ifdef HAVE_LIBXXSHM
if (physBitmap->shminfo.shmid != -1)
{
XShmDetach( gdi_display, &(physBitmap->shminfo) );
if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP) X11DRV_DIB_DestroyXImage( physBitmap->image );
else XDestroyImage( physBitmap->image );
shmdt( physBitmap->shminfo.shmaddr );
physBitmap->shminfo.shmid = -1;
physBitmap->shm_mode = X11DRV_SHM_NONE;
}
else
#endif
X11DRV_DIB_DestroyXImage( physBitmap->image );
wine_tsx11_unlock();
}
HeapFree(GetProcessHeap(), 0, physBitmap->colorMap);
physBitmap->lock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&physBitmap->lock);
}
/***********************************************************************
* SetDIBColorTable (X11DRV.@)
*/
UINT X11DRV_SetDIBColorTable( PHYSDEV dev, UINT start, UINT count, const RGBQUAD *colors )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
DIBSECTION dib;
UINT ret = 0;
X_PHYSBITMAP *physBitmap = physDev->bitmap;
if (!physBitmap) return 0;
GetObjectW( physBitmap->hbitmap, sizeof(dib), &dib );
if (physBitmap->colorMap && start < physBitmap->nColorMap) {
UINT end = count + start;
if (end > physBitmap->nColorMap) end = physBitmap->nColorMap;
/*
* Changing color table might change the mapping between
* DIB colors and X11 colors and thus alter the visible state
* of the bitmap object.
*/
/*
* FIXME we need to recalculate the pen, brush, text and bkgnd pixels here,
* at least for a 1 bpp dibsection
*/
X11DRV_DIB_Lock( physBitmap, DIB_Status_AppMod );
X11DRV_DIB_GenColorMap( physDev, physBitmap->colorMap, DIB_RGB_COLORS,
dib.dsBm.bmBitsPixel, colors, start, end );
X11DRV_DIB_Unlock( physBitmap, TRUE );
ret = end - start;
}
return ret;
}
/***********************************************************************
* X11DRV_DIB_CreateDIBFromBitmap
*
* Allocates a packed DIB and copies the bitmap data into it.
*/
HGLOBAL X11DRV_DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp)
{
BITMAP bmp;
HGLOBAL hPackedDIB;
LPBYTE pPackedDIB;
LPBITMAPINFOHEADER pbmiHeader;
unsigned int cDataSize, cPackedSize, OffsetBits;
int nLinesCopied;
if (!GetObjectW( hBmp, sizeof(bmp), &bmp )) return 0;
/*
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
/* Calculate the size of the packed DIB */
cDataSize = X11DRV_DIB_GetDIBWidthBytes( bmp.bmWidth, bmp.bmBitsPixel ) * abs( bmp.bmHeight );
cPackedSize = sizeof(BITMAPINFOHEADER)
+ ( (bmp.bmBitsPixel <= 8) ? (sizeof(RGBQUAD) * (1 << bmp.bmBitsPixel)) : 0 )
+ cDataSize;
/* Get the offset to the bits */
OffsetBits = cPackedSize - cDataSize;
/* Allocate the packed DIB */
TRACE("\tAllocating packed DIB of size %d\n", cPackedSize);
hPackedDIB = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE /*| GMEM_ZEROINIT*/,
cPackedSize );
if ( !hPackedDIB )
{
WARN("Could not allocate packed DIB!\n");
return 0;
}
/* A packed DIB starts with a BITMAPINFOHEADER */
pPackedDIB = GlobalLock(hPackedDIB);
pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB;
/* Init the BITMAPINFOHEADER */
pbmiHeader->biSize = sizeof(BITMAPINFOHEADER);
pbmiHeader->biWidth = bmp.bmWidth;
pbmiHeader->biHeight = bmp.bmHeight;
pbmiHeader->biPlanes = 1;
pbmiHeader->biBitCount = bmp.bmBitsPixel;
pbmiHeader->biCompression = BI_RGB;
pbmiHeader->biSizeImage = 0;
pbmiHeader->biXPelsPerMeter = pbmiHeader->biYPelsPerMeter = 0;
pbmiHeader->biClrUsed = 0;
pbmiHeader->biClrImportant = 0;
/* Retrieve the DIB bits from the bitmap and fill in the
* DIB color table if present */
nLinesCopied = GetDIBits(hdc, /* Handle to device context */
hBmp, /* Handle to bitmap */
0, /* First scan line to set in dest bitmap */
bmp.bmHeight, /* Number of scan lines to copy */
pPackedDIB + OffsetBits, /* [out] Address of array for bitmap bits */
(LPBITMAPINFO) pbmiHeader, /* [out] Address of BITMAPINFO structure */
0); /* RGB or palette index */
GlobalUnlock(hPackedDIB);
/* Cleanup if GetDIBits failed */
if (nLinesCopied != bmp.bmHeight)
{
TRACE("\tGetDIBits returned %d. Actual lines=%d\n", nLinesCopied, bmp.bmHeight);
GlobalFree(hPackedDIB);
hPackedDIB = 0;
}
return hPackedDIB;
}
/**************************************************************************
* X11DRV_DIB_CreateDIBFromPixmap
*
* Allocates a packed DIB and copies the Pixmap data into it.
* The Pixmap passed in is deleted after the conversion.
*/
HGLOBAL X11DRV_DIB_CreateDIBFromPixmap(Pixmap pixmap, HDC hdc)
{
HDC hdcMem;
X_PHYSBITMAP *physBitmap;
Pixmap orig_pixmap;
HBITMAP hBmp = 0;
HGLOBAL hPackedDIB = 0;
Window root;
int x,y; /* Unused */
unsigned border_width; /* Unused */
unsigned int depth, width, height;
/* Get the Pixmap dimensions and bit depth */
wine_tsx11_lock();
if (!XGetGeometry(gdi_display, pixmap, &root, &x, &y, &width, &height,
&border_width, &depth)) depth = 0;
wine_tsx11_unlock();
if (!pixmap_formats[depth]) return 0;
TRACE("\tPixmap properties: width=%d, height=%d, depth=%d\n",
width, height, depth);
/*
* Create an HBITMAP with the same dimensions and BPP as the pixmap,
* and make it a container for the pixmap passed.
*/
if (!(hBmp = CreateBitmap( width, height, 1, pixmap_formats[depth]->bits_per_pixel, NULL ))) return 0;
/* force bitmap to be owned by a screen DC */
hdcMem = CreateCompatibleDC( hdc );
SelectObject( hdcMem, SelectObject( hdcMem, hBmp ));
DeleteDC( hdcMem );
physBitmap = X11DRV_get_phys_bitmap( hBmp );
/* swap the new pixmap in */
orig_pixmap = physBitmap->pixmap;
physBitmap->pixmap = pixmap;
/*
* Create a packed DIB from the Pixmap wrapper bitmap created above.
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
hPackedDIB = X11DRV_DIB_CreateDIBFromBitmap(hdc, hBmp);
/* we can now get rid of the HBITMAP and its original pixmap */
physBitmap->pixmap = orig_pixmap;
DeleteObject(hBmp);
TRACE("\tReturning packed DIB %p\n", hPackedDIB);
return hPackedDIB;
}
/**************************************************************************
* X11DRV_DIB_CreatePixmapFromDIB
*
* Creates a Pixmap from a packed DIB
*/
Pixmap X11DRV_DIB_CreatePixmapFromDIB( HGLOBAL hPackedDIB, HDC hdc )
{
Pixmap pixmap = 0;
X_PHYSBITMAP *physBitmap;
HBITMAP hBmp;
LPBITMAPINFO pbmi;
HDC memdc;
/* Create a DDB from the DIB */
pbmi = GlobalLock(hPackedDIB);
hBmp = CreateDIBitmap(hdc, &pbmi->bmiHeader, CBM_INIT,
(LPBYTE)pbmi + bitmap_info_size( pbmi, DIB_RGB_COLORS ),
pbmi, DIB_RGB_COLORS);
GlobalUnlock(hPackedDIB);
/* make sure it's owned by x11drv */
memdc = CreateCompatibleDC( hdc );
SelectObject( memdc, hBmp );
DeleteDC( memdc );
/* clear the physBitmap so that we can steal its pixmap */
if ((physBitmap = X11DRV_get_phys_bitmap( hBmp )))
{
pixmap = physBitmap->pixmap;
physBitmap->pixmap = 0;
}
/* Delete the DDB we created earlier now that we have stolen its pixmap */
DeleteObject(hBmp);
TRACE("Returning Pixmap %lx\n", pixmap);
return pixmap;
}
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