/* * X11DRV device-independent bitmaps * * Copyright 1993,1994 Alexandre Julliard */ #include "config.h" #ifndef X_DISPLAY_MISSING #include "ts_xlib.h" #include "ts_xutil.h" #include "windef.h" #include "bitmap.h" #include "x11drv.h" #include "debugtools.h" #include "dc.h" #include "color.h" #include "callback.h" #include "selectors.h" #include "global.h" #include "xmalloc.h" /* for XCREATEIMAGE macro */ DECLARE_DEBUG_CHANNEL(bitmap) DECLARE_DEBUG_CHANNEL(x11drv) static int bitmapDepthTable[] = { 8, 1, 32, 16, 24, 15, 4, 0 }; static int ximageDepthTable[] = { 0, 0, 0, 0, 0, 0, 0 }; /*********************************************************************** * X11DRV_DIB_Init */ BOOL X11DRV_DIB_Init(void) { int i; XImage* testimage; for( i = 0; bitmapDepthTable[i]; i++ ) { testimage = TSXCreateImage(display, DefaultVisualOfScreen(X11DRV_GetXScreen()), bitmapDepthTable[i], ZPixmap, 0, NULL, 1, 1, 32, 20 ); if( testimage ) ximageDepthTable[i] = testimage->bits_per_pixel; else return FALSE; TSXDestroyImage(testimage); } return TRUE; } /*********************************************************************** * X11DRV_DIB_GetXImageWidthBytes * * Return the width of an X image in bytes */ int X11DRV_DIB_GetXImageWidthBytes( int width, int depth ) { int i; if (!ximageDepthTable[0]) { X11DRV_DIB_Init(); } for( i = 0; bitmapDepthTable[i] ; i++ ) if( bitmapDepthTable[i] == depth ) return (4 * ((width * ximageDepthTable[i] + 31)/32)); WARN_(bitmap)("(%d): Unsupported depth\n", depth ); return (4 * width); } /*********************************************************************** * X11DRV_DIB_BuildColorMap * * Build the color map from the bitmap palette. Should not be called * for a >8-bit deep bitmap. */ int *X11DRV_DIB_BuildColorMap( DC *dc, WORD coloruse, WORD depth, const BITMAPINFO *info, int *nColors ) { int i, colors; BOOL isInfo; WORD *colorPtr; int *colorMapping; if ((isInfo = (info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)))) { colors = info->bmiHeader.biClrUsed; if (!colors) colors = 1 << info->bmiHeader.biBitCount; colorPtr = (WORD *)info->bmiColors; } else /* assume BITMAPCOREINFO */ { colors = 1 << ((BITMAPCOREHEADER *)&info->bmiHeader)->bcBitCount; colorPtr = (WORD *)((BITMAPCOREINFO *)info)->bmciColors; } if (colors > 256) { ERR_(bitmap)("called with >256 colors!\n"); return NULL; } if (!(colorMapping = (int *)HeapAlloc(GetProcessHeap(), 0, colors * sizeof(int) ))) return NULL; if (coloruse == DIB_RGB_COLORS) { if (isInfo) { RGBQUAD * rgb = (RGBQUAD *)colorPtr; if (depth == 1) /* Monochrome */ for (i = 0; i < colors; i++, rgb++) colorMapping[i] = (rgb->rgbRed + rgb->rgbGreen + rgb->rgbBlue > 255*3/2); else for (i = 0; i < colors; i++, rgb++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( dc, RGB(rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue)); } else { RGBTRIPLE * rgb = (RGBTRIPLE *)colorPtr; if (depth == 1) /* Monochrome */ for (i = 0; i < colors; i++, rgb++) colorMapping[i] = (rgb->rgbtRed + rgb->rgbtGreen + rgb->rgbtBlue > 255*3/2); else for (i = 0; i < colors; i++, rgb++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( dc, RGB(rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue)); } } else /* DIB_PAL_COLORS */ { for (i = 0; i < colors; i++, colorPtr++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( dc, PALETTEINDEX(*colorPtr) ); } *nColors = colors; return colorMapping; } /*********************************************************************** * X11DRV_DIB_MapColor */ int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys ) { int color; for (color = 0; color < nPhysMap; color++) if (physMap[color] == phys) return color; WARN_(bitmap)("Strange color %08x\n", phys); return 0; } /*********************************************************************** * X11DRV_DIB_SetImageBits_1_Line * * Handles a single line of 1 bit data. */ static void X11DRV_DIB_SetImageBits_1_Line(DWORD dstwidth, int left, int *colors, XImage *bmpImage, int h, const BYTE *bits) { BYTE pix, extra; DWORD i, x; if((extra = (left & 7)) != 0) { left &= ~7; dstwidth += extra; } bits += left >> 3; /* FIXME: should avoid putting x 0; i--) { pix = *bits++; XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); XPutPixel( bmpImage, x++, h, colors[(pix >> 6) & 1] ); XPutPixel( bmpImage, x++, h, colors[(pix >> 5) & 1] ); XPutPixel( bmpImage, x++, h, colors[(pix >> 4) & 1] ); XPutPixel( bmpImage, x++, h, colors[(pix >> 3) & 1] ); XPutPixel( bmpImage, x++, h, colors[(pix >> 2) & 1] ); XPutPixel( bmpImage, x++, h, colors[(pix >> 1) & 1] ); XPutPixel( bmpImage, x++, h, colors[pix & 1] ); } pix = *bits; switch(dstwidth & 7) { case 7: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); pix <<= 1; case 6: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); pix <<= 1; case 5: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); pix <<= 1; case 4: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); pix <<= 1; case 3: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); pix <<= 1; case 2: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); pix <<= 1; case 1: XPutPixel( bmpImage, x++, h, colors[pix >> 7] ); } } /*********************************************************************** * 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 h; /* 32 bit aligned */ DWORD linebytes = ((srcwidth + 31) & ~31) / 8; if (lines > 0) { for (h = lines-1; h >=0; h--) { X11DRV_DIB_SetImageBits_1_Line(dstwidth, left, colors, bmpImage, h, srcbits); srcbits += linebytes; } } else { lines = -lines; for (h = 0; h < lines; h++) { X11DRV_DIB_SetImageBits_1_Line(dstwidth, left, colors, bmpImage, h, srcbits); srcbits += linebytes; } } } /*********************************************************************** * 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 ) { DWORD i, x; int h; const BYTE *bits = srcbits + (left >> 1); /* 32 bit aligned */ DWORD linebytes = ((srcwidth+7)&~7)/2; if(left & 1) { left--; dstwidth++; } if (lines > 0) { for (h = lines-1; h >= 0; h--) { for (i = dstwidth/2, x = left; i > 0; i--) { BYTE pix = *bits++; XPutPixel( bmpImage, x++, h, colors[pix >> 4] ); XPutPixel( bmpImage, x++, h, colors[pix & 0x0f] ); } if (dstwidth & 1) XPutPixel( bmpImage, x, h, colors[*bits >> 4] ); srcbits += linebytes; bits = srcbits + (left >> 1); } } else { lines = -lines; for (h = 0; h < lines; h++) { for (i = dstwidth/2, x = left; i > 0; i--) { BYTE pix = *bits++; XPutPixel( bmpImage, x++, h, colors[pix >> 4] ); XPutPixel( bmpImage, x++, h, colors[pix & 0x0f] ); } if (dstwidth & 1) XPutPixel( bmpImage, x, h, colors[*bits >> 4] ); srcbits += linebytes; bits = srcbits + (left >> 1); } } } /*********************************************************************** * X11DRV_DIB_GetImageBits_4 * * GetDIBits for a 4-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, int *colors, int nColors, XImage *bmpImage ) { DWORD i, x; int h; BYTE *bits = srcbits + (left >> 1); /* 32 bit aligned */ DWORD linebytes = ((srcwidth+7)&~7)/2; if(left & 1) { left--; dstwidth++; } /* FIXME: should avoid putting x 0) { for (h = lines-1; h >= 0; h--) { for (i = dstwidth/2, x = left; i > 0; i--) { *bits++ = (X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x++, h )) << 4) | (X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x++, h )) & 0x0f); } if (dstwidth & 1) *bits = (X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x++, h )) << 4); srcbits += linebytes; bits = srcbits + (left >> 1); } } else { lines = -lines; for (h = 0; h < lines; h++) { for (i = dstwidth/2, x = left; i > 0; i--) { *bits++ = (X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x++, h )) << 4) | (X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x++, h )) & 0x0f); } if (dstwidth & 1) *bits = (X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x++, h )) << 4); srcbits += linebytes; bits = srcbits + (left >> 1); } } } /*********************************************************************** * X11DRV_DIB_SetImageBits_RLE4 * * SetDIBits for a 4-bit deep compressed DIB. */ static void X11DRV_DIB_SetImageBits_RLE4( int lines, const BYTE *bits, DWORD width, DWORD dstwidth, int left, int *colors, XImage *bmpImage ) { int x = 0, c, length; const BYTE *begin = bits; lines--; while ((int)lines >= 0) { length = *bits++; if (length) { /* encoded */ c = *bits++; while (length--) { if(x >= width) { x = 0; if(--lines < 0) return; } XPutPixel(bmpImage, x++, lines, colors[c >>4]); if (length) { length--; if(x >= width) { x = 0; if(--lines < 0) return; } XPutPixel(bmpImage, x++, lines, colors[c & 0xf]); } } } else { length = *bits++; switch (length) { case 0: /* eol */ x = 0; lines--; continue; case 1: /* eopicture */ return; case 2: /* delta */ x += *bits++; if(x >= width) { FIXME_(x11drv)("x-delta is too large?\n"); return; } lines -= *bits++; continue; default: /* absolute */ while (length--) { c = *bits++; if(x >= width) { x = 0; if(--lines < 0) return; } XPutPixel(bmpImage, x++, lines, colors[c >> 4]); if (length) { length--; if(x >= width) { x = 0; if(--lines < 0) return; } XPutPixel(bmpImage, x++, lines, colors[c & 0xf]); } } if ((bits - begin) & 1) bits++; } } } } /*********************************************************************** * 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, int *colors, XImage *bmpImage ) { DWORD x; int h; const BYTE *bits = srcbits + left; /* align to 32 bit */ DWORD linebytes = (srcwidth + 3) & ~3; dstwidth += left; if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits++) { XPutPixel( bmpImage, x, h, colors[*bits] ); } bits = (srcbits += linebytes) + left; } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits++) { XPutPixel( bmpImage, x, h, colors[*bits] ); } bits = (srcbits += linebytes) + left; } } } /*********************************************************************** * X11DRV_DIB_GetImageBits_8 * * GetDIBits for an 8-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_8( int lines, BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, int *colors, int nColors, XImage *bmpImage ) { DWORD x; int h; BYTE *bits = srcbits + left; /* align to 32 bit */ DWORD linebytes = (srcwidth + 3) & ~3; dstwidth += left; if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits++) { if ( XGetPixel( bmpImage, x, h ) != colors[*bits] ) *bits = X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x, h ) ); } bits = (srcbits += linebytes) + left; } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits++) { if ( XGetPixel( bmpImage, x, h ) != colors[*bits] ) *bits = X11DRV_DIB_MapColor( colors, nColors, XGetPixel( bmpImage, x, h ) ); } bits = (srcbits += linebytes) + left; } } } /*********************************************************************** * X11DRV_DIB_SetImageBits_RLE8 * * SetDIBits for an 8-bit deep compressed DIB. * * This function rewritten 941113 by James Youngman. WINE blew out when I * first ran it because my desktop wallpaper is a (large) RLE8 bitmap. * * This was because the algorithm assumed that all RLE8 bitmaps end with the * 'End of bitmap' escape code. This code is very much laxer in what it * allows to end the expansion. Possibly too lax. See the note by * case RleDelta. BTW, MS's documentation implies that a correct RLE8 * bitmap should end with RleEnd, but on the other hand, software exists * that produces ones that don't and Windows 3.1 doesn't complain a bit * about it. * * (No) apologies for my English spelling. [Emacs users: c-indent-level=4]. * James A. Youngman * [JAY] */ enum Rle8_EscapeCodes { /* * Apologies for polluting your file's namespace... */ RleEol = 0, /* End of line */ RleEnd = 1, /* End of bitmap */ RleDelta = 2 /* Delta */ }; static void X11DRV_DIB_SetImageBits_RLE8( int lines, const BYTE *bits, DWORD width, DWORD dstwidth, int left, int *colors, XImage *bmpImage ) { int x; /* X-positon on each line. Increases. */ int line; /* Line #. Starts at lines-1, decreases */ const BYTE *pIn = bits; /* Pointer to current position in bits */ BYTE length; /* The length pf a run */ BYTE color_index; /* index into colors[] as read from bits */ BYTE escape_code; /* See enum Rle8_EscapeCodes.*/ int color; /* value of colour[color_index] */ if (lines == 0) /* Let's hope this doesn't happen. */ return; /* * Note that the bitmap data is stored by Windows starting at the * bottom line of the bitmap and going upwards. Within each line, * the data is stored left-to-right. That's the reason why line * goes from lines-1 to 0. [JAY] */ x = 0; line = lines-1; do { length = *pIn++; /* * If the length byte is not zero (which is the escape value), * We have a run of length pixels all the same colour. The colour * index is stored next. * * If the length byte is zero, we need to read the next byte to * know what to do. [JAY] */ if (length != 0) { /* * [Run-Length] Encoded mode */ color_index = (*pIn++); /* Get the colour index. */ color = colors[color_index]; while(length--) XPutPixel(bmpImage, x++, line, color); } else { /* * Escape codes (may be an absolute sequence though) */ escape_code = (*pIn++); switch(escape_code) { case RleEol: /* =0, end of line */ { x = 0; line--; break; } case RleEnd: /* =1, end of bitmap */ { /* * Not all RLE8 bitmaps end with this * code. For example, Paint Shop Pro * produces some that don't. That's (I think) * what caused the previous implementation to * fail. [JAY] */ line=-1; /* Cause exit from do loop. */ break; } case RleDelta: /* =2, a delta */ { /* * Note that deltaing to line 0 * will cause an exit from the loop, * which may not be what is intended. * The fact that there is a delta in the bits * almost certainly implies that there is data * to follow. You may feel that we should * jump to the top of the loop to avoid exiting * in this case. * * TODO: Decide what to do here in that case. [JAY] */ x += (*pIn++); line -= (*pIn++); if (line == 0) { TRACE_(bitmap)("Delta to last line of bitmap " "(wrongly?) causes loop exit\n"); } break; } default: /* >2, switch to absolute mode */ { /* * Absolute Mode */ length = escape_code; while(length--) { color_index = (*pIn++); XPutPixel(bmpImage, x++, line, colors[color_index]); } /* * If you think for a moment you'll realise that the * only time we could ever possibly read an odd * number of bytes is when there is a 0x00 (escape), * a value >0x02 (absolute mode) and then an odd- * length run. Therefore this is the only place we * need to worry about it. Everywhere else the * bytes are always read in pairs. [JAY] */ if (escape_code & 1) pIn++; /* Throw away the pad byte. */ break; } } /* switch (escape_code) : Escape sequence */ } /* process either an encoded sequence or an escape sequence */ /* We expect to come here more than once per line. */ } while (line >= 0); /* Do this until the bitmap is filled */ /* * Everybody comes here at the end. * Check how we exited the loop and print a message if it's a bit odd. * [JAY] */ if ( (*(pIn-2) != 0/*escape*/) || (*(pIn-1)!= RleEnd) ) { TRACE_(bitmap)("End-of-bitmap " "without (strictly) proper escape code. Last two " "bytes were: %02X %02X.\n", (int)*(pIn-2), (int)*(pIn-1)); } } /*********************************************************************** * 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, DC *dc, XImage *bmpImage ) { DWORD x; LPWORD ptr; WORD val; int h; BYTE r, g, b; /* align to 32 bit */ DWORD linebytes = (srcwidth * 2 + 3) & ~3; dstwidth += left; ptr = (LPWORD) srcbits + left; if (bmpImage->format == ZPixmap) { unsigned short indA, indB, indC, indD; BYTE *imageBits; switch (bmpImage->bits_per_pixel) { case 16: indA = (bmpImage->byte_order == LSBFirst) ? 1 : 0; indB = (indA == 1) ? 0 : 1; if (lines > 0) { imageBits = (BYTE *)(bmpImage->data + (lines - 1)*bmpImage->bytes_per_line); for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, ptr++) { val = *ptr; imageBits[(x << 1) + indA] = (BYTE)((val >> 7) & 0x00ff); imageBits[(x << 1) + indB] = (BYTE)(((val << 1) & 0x00c0) | (val & 0x001f)); } ptr = (LPWORD)(srcbits += linebytes) + left; imageBits -= bmpImage->bytes_per_line; } } else { lines = -lines; imageBits = (BYTE *)bmpImage->data; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, ptr++) { val = *ptr; imageBits[(x << 1) + indA] = (BYTE)((val >> 7) & 0x00ff); imageBits[(x << 1) + indB] = (BYTE)(((val << 1) & 0x00c0) | (val & 0x001f)); } ptr = (LPWORD)(srcbits += linebytes) + left; imageBits += bmpImage->bytes_per_line; } } return; case 32: indA = (bmpImage->byte_order == LSBFirst) ? 3 : 0; indB = (indA == 3) ? 2 : 1; indC = (indB == 2) ? 1 : 2; indD = (indC == 1) ? 0 : 3; if (lines > 0) { imageBits = (BYTE *)(bmpImage->data + (lines - 1)*bmpImage->bytes_per_line); for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, ptr ++) { val = *ptr; imageBits[(x << 2) + indA] = 0x00; /* a */ imageBits[(x << 2) + indB] = (BYTE)(((val >> 7) & 0x00f8) | ((val >> 12) & 0x0007)); /* red */ imageBits[(x << 2) + indC] = (BYTE)(((val >> 2) & 0x00f8) | ((val >> 7) & 0x0007)); /* green */ imageBits[(x << 2) + indD] = (BYTE)(((val << 3) & 0x00f8) | ((val >> 2) & 0x0007)); /* blue */ } ptr = (LPWORD)(srcbits += linebytes) + left; imageBits -= bmpImage->bytes_per_line; } } else { lines = -lines; imageBits = (BYTE *)bmpImage->data; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, ptr ++) { val = *ptr; imageBits[(x << 2) + indA] = 0x00; imageBits[(x << 2) + indB] = (BYTE)(((val >> 7) & 0x00f8) | ((val >> 12) & 0x0007)); imageBits[(x << 2) + indC] = (BYTE)(((val >> 2) & 0x00f8) | ((val >> 7) & 0x0007)); imageBits[(x << 2) + indD] = (BYTE)(((val << 3) & 0x00f8) | ((val >> 2) & 0x0007)); } ptr = (LPWORD)(srcbits += linebytes) + left; imageBits += bmpImage->bytes_per_line; } } return; } } /* Not standard format or Not RGB */ if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, ptr++) { val = *ptr; r = (BYTE) ((val & 0x7c00) >> 7); g = (BYTE) ((val & 0x03e0) >> 2); b = (BYTE) ((val & 0x001f) << 3); XPutPixel( bmpImage, x, h, X11DRV_PALETTE_ToPhysical(dc, RGB(r,g,b)) ); } ptr = (LPWORD) (srcbits += linebytes) + left; } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, ptr++) { val = *ptr; r = (BYTE) ((val & 0x7c00) >> 7); g = (BYTE) ((val & 0x03e0) >> 2); b = (BYTE) ((val & 0x001f) << 3); XPutPixel( bmpImage, x, h, X11DRV_PALETTE_ToPhysical(dc, RGB(r,g,b)) ); } ptr = (LPWORD) (srcbits += linebytes) + left; } } } /*********************************************************************** * X11DRV_DIB_GetImageBits_16 * * GetDIBits for an 16-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_16( int lines, BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, XImage *bmpImage ) { DWORD x; LPWORD ptr; int h; BYTE r, g, b; /* align to 32 bit */ DWORD linebytes = (srcwidth * 2 + 3) & ~3; dstwidth += left; ptr = (LPWORD) srcbits + left; if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, ptr++) { COLORREF pixel = X11DRV_PALETTE_ToLogical( XGetPixel( bmpImage, x, h ) ); r = (BYTE) GetRValue(pixel); g = (BYTE) GetGValue(pixel); b = (BYTE) GetBValue(pixel); *ptr = ( ((r << 7) & 0x7c00) | ((g << 2) & 0x03e0) | ((b >> 3) & 0x001f) ); } ptr = (LPWORD) (srcbits += linebytes) + left; } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, ptr++) { COLORREF pixel = X11DRV_PALETTE_ToLogical( XGetPixel( bmpImage, x, h ) ); r = (BYTE) GetRValue(pixel); g = (BYTE) GetGValue(pixel); b = (BYTE) GetBValue(pixel); *ptr = ( ((r << 7) & 0x7c00) | ((g << 2) & 0x03e0) | ((b >> 3) & 0x001f) ); } ptr = (LPWORD) (srcbits += linebytes) + left; } } } /*********************************************************************** * 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, DC *dc, XImage *bmpImage ) { DWORD x; const BYTE *bits = srcbits + left * 3; int h; /* align to 32 bit */ DWORD linebytes = (srcwidth * 3 + 3) & ~3; dstwidth += left; /* "bits" order is reversed for some reason */ if (bmpImage->format == ZPixmap) { unsigned short indA, indB, indC, indD; BYTE *imageBits; switch (bmpImage->bits_per_pixel) { case 16: indA = (bmpImage->byte_order == LSBFirst) ? 1 : 0; indB = (indA == 1) ? 0 : 1; if (lines > 0) { imageBits = (BYTE *)(bmpImage->data + (lines - 1)*bmpImage->bytes_per_line); for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 3) { imageBits[(x << 1) + indA] = (bits[0] & 0xf8) | ((bits[1] >> 5) & 0x07); imageBits[(x << 1) + indB] = ((bits[1] << 3) & 0xc0) | ((bits[2] >> 3) & 0x1f); } bits = (srcbits += linebytes) + left * 3; imageBits -= bmpImage->bytes_per_line; } } else { lines = -lines; imageBits = (BYTE *)bmpImage->data; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 3) { imageBits[(x << 1) + indA] = (bits[0] & 0xf8) | ((bits[1] >> 5) & 0x07); imageBits[(x << 1) + indB] = ((bits[1] << 3) & 0xc0) | ((bits[2] >> 3) & 0x1f); } bits = (srcbits += linebytes) + left * 3; imageBits += bmpImage->bytes_per_line; } } return; case 32: indA = (bmpImage->byte_order == LSBFirst) ? 3 : 0; indB = (indA == 3) ? 2 : 1; indC = (indB == 2) ? 1 : 2; indD = (indC == 1) ? 0 : 3; if (lines > 0) { imageBits = (BYTE *)(bmpImage->data + (lines - 1)*bmpImage->bytes_per_line); for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 3) { imageBits[(x << 2) + indA] = 0x00; /*a*/ imageBits[(x << 2) + indB] = bits[2]; /*red*/ imageBits[(x << 2) + indC] = bits[1]; /*green*/ imageBits[(x << 2) + indD] = bits[0]; /*blue*/ } bits = (srcbits += linebytes) + left * 3; imageBits -= bmpImage->bytes_per_line; } } else { lines = -lines; imageBits = (BYTE *)(bmpImage->data); for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 3) { imageBits[(x << 2) + indA] = 0x00; imageBits[(x << 2) + indB] = bits[2]; imageBits[(x << 2) + indC] = bits[1]; imageBits[(x << 2) + indD] = bits[0]; } bits = (srcbits += linebytes) + left * 3; imageBits += bmpImage->bytes_per_line; } } return; } } /* Not standard format or Not RGB */ if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 3) { XPutPixel( bmpImage, x, h, X11DRV_PALETTE_ToPhysical(dc, RGB(bits[2],bits[1],bits[0]))); } bits = (srcbits += linebytes) + left * 3; } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 3) { XPutPixel( bmpImage, x, h, X11DRV_PALETTE_ToPhysical(dc, RGB(bits[2],bits[1],bits[0]))); } bits = (srcbits += linebytes) + left * 3; } } } /*********************************************************************** * X11DRV_DIB_GetImageBits_24 * * GetDIBits for an 24-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_24( int lines, BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, XImage *bmpImage ) { DWORD x; int h; BYTE *bits = srcbits + (left * 3); /* align to 32 bit */ DWORD linebytes = (srcwidth * 3 + 3) & ~3; dstwidth += left; if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 3) { COLORREF pixel = X11DRV_PALETTE_ToLogical( XGetPixel( bmpImage, x, h ) ); bits[0] = GetRValue(pixel); bits[1] = GetGValue(pixel); bits[2] = GetBValue(pixel); } bits = (srcbits += linebytes) + (left * 3); } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 3) { COLORREF pixel = X11DRV_PALETTE_ToLogical( XGetPixel( bmpImage, x, h ) ); bits[0] = GetRValue(pixel); bits[1] = GetGValue(pixel); bits[2] = GetBValue(pixel); } bits = (srcbits += linebytes) + (left * 3); } } } /*********************************************************************** * 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, DC *dc, XImage *bmpImage ) { DWORD x; const BYTE *bits = srcbits + left * 4; int h; DWORD linebytes = (srcwidth * 4); dstwidth += left; if (bmpImage->format == ZPixmap) { unsigned short indA, indB, indC, indD; BYTE *imageBits; switch (bmpImage->bits_per_pixel) { case 16: indA = (bmpImage->byte_order == LSBFirst) ? 1 : 0; indB = (indA == 1) ? 0 : 1; if (lines > 0) { imageBits = (BYTE *)(bmpImage->data + (lines - 1)*bmpImage->bytes_per_line); for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 4) { imageBits[(x << 1) + indA] = (bits[0] & 0xf8) | ((bits[1] >> 5) & 0x07); imageBits[(x << 1) + indB] = ((bits[1] << 3) & 0xc0) | ((bits[2] >> 3) & 0x1f); } bits = (srcbits += linebytes) + left * 4; imageBits -= bmpImage->bytes_per_line; } } else { lines = -lines; imageBits = (BYTE *)bmpImage->data; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 4) { imageBits[(x << 1) + indA] = (bits[0] & 0xf8) | ((bits[1] >> 5) & 0x07); imageBits[(x << 1) + indB] = ((bits[1] << 3) & 0xc0) | ((bits[2] >> 3) & 0x1f); } bits = (srcbits += linebytes) + left * 4; imageBits += bmpImage->bytes_per_line; } } return; case 32: indA = (bmpImage->byte_order == LSBFirst) ? 3 : 0; indB = (indA == 3) ? 2 : 1; indC = (indB == 2) ? 1 : 2; indD = (indC == 1) ? 0 : 3; if (lines > 0) { imageBits = (BYTE *)(bmpImage->data + (lines - 1)*bmpImage->bytes_per_line); for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 4) { imageBits[(x << 2) + indA] = 0x00; /*a*/ imageBits[(x << 2) + indB] = bits[2]; /*red*/ imageBits[(x << 2) + indC] = bits[1]; /*green*/ imageBits[(x << 2) + indD] = bits[0]; /*blue*/ } bits = (srcbits += linebytes) + left * 4; imageBits -= bmpImage->bytes_per_line; } } else { lines = -lines; imageBits = (BYTE *)(bmpImage->data); for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 4) { imageBits[(x << 2) + indA] = 0x00; imageBits[(x << 2) + indB] = bits[2]; imageBits[(x << 2) + indC] = bits[1]; imageBits[(x << 2) + indD] = bits[0]; } bits = (srcbits += linebytes) + left * 4; imageBits += bmpImage->bytes_per_line; } } return; } } if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 4) { XPutPixel( bmpImage, x, h, X11DRV_PALETTE_ToPhysical(dc, RGB(bits[2],bits[1],bits[0]))); } bits = (srcbits += linebytes) + left * 4; } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 4) { XPutPixel( bmpImage, x, h, X11DRV_PALETTE_ToPhysical(dc, RGB(bits[2],bits[1],bits[0]))); } bits = (srcbits += linebytes) + left * 4; } } } /*********************************************************************** * X11DRV_DIB_GetImageBits_32 * * GetDIBits for an 32-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_32( int lines, BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, XImage *bmpImage ) { DWORD x; int h; BYTE *bits = srcbits + (left * 4); /* align to 32 bit */ DWORD linebytes = (srcwidth * 4); dstwidth += left; if (lines > 0) { for (h = lines - 1; h >= 0; h--) { for (x = left; x < dstwidth; x++, bits += 4) { COLORREF pixel = X11DRV_PALETTE_ToLogical( XGetPixel( bmpImage, x, h ) ); bits[0] = GetRValue(pixel); bits[1] = GetGValue(pixel); bits[2] = GetBValue(pixel); } bits = (srcbits += linebytes) + (left * 4); } } else { lines = -lines; for (h = 0; h < lines; h++) { for (x = left; x < dstwidth; x++, bits += 4) { COLORREF pixel = X11DRV_PALETTE_ToLogical( XGetPixel( bmpImage, x, h ) ); bits[0] = GetRValue(pixel); bits[1] = GetGValue(pixel); bits[2] = GetBValue(pixel); } bits = (srcbits += linebytes) + (left * 4); } } } /*********************************************************************** * X11DRV_DIB_SetImageBits * * Transfer the bits to an X image. * Helper function for SetDIBits() and SetDIBitsToDevice(). * The Xlib critical section must be entered before calling this function. */ int X11DRV_DIB_SetImageBits( const X11DRV_DIB_SETIMAGEBITS_DESCR *descr ) { int lines = descr->lines >= 0 ? descr->lines : -descr->lines; XImage *bmpImage; if ( descr->dc && descr->dc->w.flags & DC_DIRTY ) CLIPPING_UpdateGCRegion( descr->dc ); if (descr->image) bmpImage = descr->image; else { bmpImage = XCreateImage( display, DefaultVisualOfScreen(X11DRV_GetXScreen()), descr->depth, ZPixmap, 0, NULL, descr->infoWidth, lines, 32, 0 ); bmpImage->data = xcalloc( bmpImage->bytes_per_line * lines ); } /* Transfer the pixels */ switch(descr->infoBpp) { case 1: X11DRV_DIB_SetImageBits_1( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, bmpImage ); break; case 4: if (descr->compression) X11DRV_DIB_SetImageBits_RLE4( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, bmpImage ); else X11DRV_DIB_SetImageBits_4( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, bmpImage ); break; case 8: if (descr->compression) X11DRV_DIB_SetImageBits_RLE8( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, bmpImage ); else X11DRV_DIB_SetImageBits_8( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, bmpImage ); break; case 15: case 16: X11DRV_DIB_SetImageBits_16( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->dc, bmpImage); break; case 24: X11DRV_DIB_SetImageBits_24( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->dc, bmpImage ); break; case 32: X11DRV_DIB_SetImageBits_32( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->dc, bmpImage); break; default: WARN_(bitmap)("(%d): Invalid depth\n", descr->infoBpp ); break; } XPutImage( display, descr->drawable, descr->gc, bmpImage, descr->xSrc, descr->ySrc, descr->xDest, descr->yDest, descr->width, descr->height ); if (!descr->image) XDestroyImage( bmpImage ); return lines; } /*********************************************************************** * X11DRV_DIB_GetImageBits * * Transfer the bits from an X image. * The Xlib critical section must be entered before calling this function. */ int X11DRV_DIB_GetImageBits( const X11DRV_DIB_SETIMAGEBITS_DESCR *descr ) { int lines = descr->lines >= 0 ? descr->lines : -descr->lines; XImage *bmpImage; if (descr->image) bmpImage = descr->image; else { bmpImage = XCreateImage( display, DefaultVisualOfScreen(X11DRV_GetXScreen()), descr->depth, ZPixmap, 0, NULL, descr->infoWidth, lines, 32, 0 ); bmpImage->data = xcalloc( bmpImage->bytes_per_line * lines ); } XGetSubImage( display, descr->drawable, descr->xDest, descr->yDest, descr->width, descr->height, AllPlanes, ZPixmap, bmpImage, descr->xSrc, descr->ySrc ); /* Transfer the pixels */ switch(descr->infoBpp) { case 1: FIXME_(bitmap)("Depth 1 not yet supported!\n"); break; case 4: if (descr->compression) FIXME_(bitmap)("Compression not yet supported!\n"); else X11DRV_DIB_GetImageBits_4( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, descr->nColorMap, bmpImage ); break; case 8: if (descr->compression) FIXME_(bitmap)("Compression not yet supported!\n"); else X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->colorMap, descr->nColorMap, bmpImage ); break; case 15: case 16: X11DRV_DIB_GetImageBits_16( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->xSrc, bmpImage ); break; case 24: X11DRV_DIB_GetImageBits_24( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->xSrc, bmpImage ); break; case 32: X11DRV_DIB_GetImageBits_32( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->xSrc, bmpImage ); break; default: WARN_(bitmap)("(%d): Invalid depth\n", descr->infoBpp ); break; } if (!descr->image) XDestroyImage( bmpImage ); return lines; } /************************************************************************* * X11DRV_SetDIBitsToDevice * */ INT X11DRV_SetDIBitsToDevice( DC *dc, INT xDest, INT yDest, DWORD cx, DWORD cy, INT xSrc, INT ySrc, UINT startscan, UINT lines, LPCVOID bits, const BITMAPINFO *info, UINT coloruse ) { X11DRV_DIB_SETIMAGEBITS_DESCR descr; DWORD width, oldcy = cy; INT result; int height, tmpheight; X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev; if (DIB_GetBitmapInfo( &info->bmiHeader, &width, &height, &descr.infoBpp, &descr.compression ) == -1) return 0; tmpheight = height; if (height < 0) height = -height; if (!lines || (startscan >= height)) return 0; if (startscan + lines > height) lines = height - startscan; if (ySrc < startscan) ySrc = startscan; else if (ySrc >= startscan + lines) return 0; if (xSrc >= width) return 0; if (ySrc + cy >= startscan + lines) cy = startscan + lines - ySrc; if (xSrc + cx >= width) cx = width - xSrc; if (!cx || !cy) return 0; X11DRV_SetupGCForText( dc ); /* To have the correct colors */ TSXSetFunction(display, physDev->gc, X11DRV_XROPfunction[dc->w.ROPmode-1]); if (descr.infoBpp <= 8) { descr.colorMap = X11DRV_DIB_BuildColorMap( dc, coloruse, dc->w.bitsPerPixel, info, &descr.nColorMap ); if (!descr.colorMap) return 0; } descr.dc = dc; descr.bits = bits; descr.image = NULL; descr.lines = tmpheight >= 0 ? lines : -lines; descr.infoWidth = width; descr.depth = dc->w.bitsPerPixel; descr.drawable = physDev->drawable; descr.gc = physDev->gc; descr.xSrc = xSrc; descr.ySrc = tmpheight >= 0 ? lines-(ySrc-startscan)-cy+(oldcy-cy) : ySrc - startscan; descr.xDest = dc->w.DCOrgX + XLPTODP( dc, xDest ); descr.yDest = dc->w.DCOrgY + YLPTODP( dc, yDest ) + (tmpheight >= 0 ? oldcy-cy : 0); descr.width = cx; descr.height = cy; EnterCriticalSection( &X11DRV_CritSection ); result = CALL_LARGE_STACK( X11DRV_DIB_SetImageBits, &descr ); LeaveCriticalSection( &X11DRV_CritSection ); if (descr.infoBpp <= 8) HeapFree(GetProcessHeap(), 0, descr.colorMap); return result; } /*********************************************************************** * X11DRV_DIB_SetDIBits */ INT X11DRV_DIB_SetDIBits( BITMAPOBJ *bmp, DC *dc, UINT startscan, UINT lines, LPCVOID bits, const BITMAPINFO *info, UINT coloruse, HBITMAP hbitmap) { X11DRV_DIB_SETIMAGEBITS_DESCR descr; X11DRV_PHYSBITMAP *pbitmap; int height, tmpheight; INT result; descr.dc = dc; if (DIB_GetBitmapInfo( &info->bmiHeader, &descr.infoWidth, &height, &descr.infoBpp, &descr.compression ) == -1) return 0; tmpheight = height; if (height < 0) height = -height; if (!lines || (startscan >= height)) return 0; if (startscan + lines > height) lines = height - startscan; if (descr.infoBpp <= 8) { descr.colorMap = X11DRV_DIB_BuildColorMap( coloruse == DIB_PAL_COLORS? descr.dc : NULL, coloruse, bmp->bitmap.bmBitsPixel, info, &descr.nColorMap ); if (!descr.colorMap) { return 0; } } else descr.colorMap = 0; /* HACK for now */ if(!bmp->DDBitmap) X11DRV_CreateBitmap(hbitmap); pbitmap = bmp->DDBitmap->physBitmap; descr.bits = bits; descr.image = NULL; descr.lines = tmpheight >= 0 ? lines : -lines; descr.depth = bmp->bitmap.bmBitsPixel; descr.drawable = pbitmap->pixmap; descr.gc = BITMAP_GC(bmp); descr.xSrc = 0; descr.ySrc = 0; descr.xDest = 0; descr.yDest = height - startscan - lines; descr.width = bmp->bitmap.bmWidth; descr.height = lines; EnterCriticalSection( &X11DRV_CritSection ); result = CALL_LARGE_STACK( X11DRV_DIB_SetImageBits, &descr ); LeaveCriticalSection( &X11DRV_CritSection ); if (descr.colorMap) HeapFree(GetProcessHeap(), 0, descr.colorMap); return result; } /********************************************************************* * 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(BITMAPINFO *info, BYTE r, BYTE g, BYTE b) { INT i, best = -1, diff, bestdiff = -1; RGBQUAD *color; for(color = info->bmiColors, i = 0; i < (1 << info->bmiHeader.biBitCount); 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_GetDIBits */ INT X11DRV_DIB_GetDIBits( BITMAPOBJ *bmp, DC *dc, UINT startscan, UINT lines, LPVOID bits, BITMAPINFO *info, UINT coloruse, HBITMAP hbitmap) { XImage * bmpImage; int x, y; PALETTEENTRY * palEntry; PALETTEOBJ * palette; BYTE *bbits = (BYTE*)bits, *linestart; int dstwidth, yend, xend = bmp->bitmap.bmWidth; TRACE_(bitmap)("%u scanlines of (%i,%i) -> (%i,%i) starting from %u\n", lines, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight, (int)info->bmiHeader.biWidth, (int)info->bmiHeader.biHeight, startscan ); if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC ))) return 0; /* adjust number of scanlines to copy */ if( lines > info->bmiHeader.biHeight ) lines = info->bmiHeader.biHeight; yend = startscan + lines; if( startscan >= bmp->bitmap.bmHeight ) { return FALSE; } if( yend > bmp->bitmap.bmHeight ) yend = bmp->bitmap.bmHeight; /* adjust scanline width */ if(bmp->bitmap.bmWidth > info->bmiHeader.biWidth) xend = info->bmiHeader.biWidth; /* HACK for now */ if(!bmp->DDBitmap) X11DRV_CreateBitmap(hbitmap); dstwidth = DIB_GetDIBWidthBytes( info->bmiHeader.biWidth, info->bmiHeader.biBitCount ); EnterCriticalSection( &X11DRV_CritSection ); bmpImage = (XImage *)CALL_LARGE_STACK( X11DRV_BITMAP_GetXImage, bmp ); linestart = bbits; switch( info->bmiHeader.biBitCount ) { case 1: /* 1 bit DIB */ { unsigned long white = (1 << bmp->bitmap.bmBitsPixel) - 1; for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { if (!(x&7)) *bbits = 0; *bbits |= (XGetPixel( bmpImage, x, y) >= white) << (7 - (x&7)); if ((x&7)==7) bbits++; } bbits = (linestart += dstwidth); } } break; case 4: /* 4 bit DIB */ switch(bmp->bitmap.bmBitsPixel) { case 1: /* 1/4 bit bmp -> 4 bit DIB */ case 4: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { if (!(x&1)) *bbits = 0; *bbits |= XGetPixel( bmpImage, x, y)<<(4*(1-(x&1))); if ((x&1)==1) bbits++; } bbits = (linestart += dstwidth); } break; case 8: /* 8 bit bmp -> 4 bit DIB */ palEntry = palette->logpalette.palPalEntry; for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel = XGetPixel( bmpImage, x, y ); if (!(x&1)) *bbits = 0; *bbits |= ( X11DRV_DIB_GetNearestIndex(info, palEntry[pixel].peRed, palEntry[pixel].peGreen, palEntry[pixel].peBlue ) << (4*(1-(x&1))) ); if ((x&1)==1) bbits++; } bbits = (linestart += dstwidth); } break; case 15: /* 15/16 bit bmp -> 4 bit DIB */ case 16: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel = XGetPixel( bmpImage, x, y ); if (!(x&1)) *bbits = 0; *bbits |= ( X11DRV_DIB_GetNearestIndex(info, ((pixel << 3) & 0xf8) | ((pixel >> 2) & 0x7), ((pixel >> 2) & 0xf8) | ((pixel >> 7) & 0x7), ((pixel >> 7) & 0xf8) | ((pixel >> 12) & 0x7) ) << (4*(1-(x&1))) ); if ((x&1)==1) bbits++; } bbits = (linestart += dstwidth); } break; case 24: /* 24/32 bit bmp -> 4 bit DIB */ case 32: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel = XGetPixel( bmpImage, x, y ); if (!(x&1)) *bbits = 0; *bbits |= ( X11DRV_DIB_GetNearestIndex( info, (pixel >> 16) & 0xff, (pixel >> 8) & 0xff, pixel & 0xff ) << (4*(1-(x&1))) ); if ((x&1)==1) bbits++; } bbits = (linestart += dstwidth); } break; default: /* ? bit bmp -> 4 bit DIB */ FIXME_(bitmap)("4 bit DIB %d bit bitmap\n", bmp->bitmap.bmBitsPixel); break; } break; case 8: /* 8 bit DIB */ switch(bmp->bitmap.bmBitsPixel) { case 1: /* 1/4/8 bit bmp -> 8 bit DIB */ case 4: case 8: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) *bbits++ = XGetPixel( bmpImage, x, y ); bbits = (linestart += dstwidth); } break; case 15: /* 15/16 bit bmp -> 8 bit DIB */ case 16: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel = XGetPixel( bmpImage, x, y ); *bbits++ = X11DRV_DIB_GetNearestIndex( info, ((pixel << 3) & 0xf8) | ((pixel >> 2) & 0x7), ((pixel >> 2) & 0xf8) | ((pixel >> 7) & 0x7), ((pixel >> 7) & 0xf8) | ((pixel >> 12) & 0x7) ); } bbits = (linestart += dstwidth); } break; case 24: /* 24/32 bit bmp -> 8 bit DIB */ case 32: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel = XGetPixel( bmpImage, x, y ); *bbits++ = X11DRV_DIB_GetNearestIndex( info, (pixel >> 16) & 0xff, (pixel >> 8) & 0xff, pixel & 0xff ); } bbits = (linestart += dstwidth); } break; default: /* ? bit bmp -> 8 bit DIB */ FIXME_(bitmap)("8 bit DIB %d bit bitmap\n", bmp->bitmap.bmBitsPixel); break; } break; case 15: /* 15/16 bit DIB */ case 16: switch(bmp->bitmap.bmBitsPixel) { case 15: /* 15/16 bit bmp -> 16 bit DIB */ case 16: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = pixel & 0xff; *bbits++ = (pixel >> 8) & 0xff; } bbits = (linestart += dstwidth); } break; case 24: /* 24/32 bit bmp -> 16 bit DIB */ case 32: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = ((pixel >> 6) & 0xe0) | ((pixel >> 3) & 0x1f); *bbits++ = ((pixel >> 17) & 0x7c) | ((pixel >> 14) & 0x3); } bbits = (linestart += dstwidth); } break; case 1: /* 1/4/8 bit bmp -> 16 bit DIB */ case 4: case 8: palEntry = palette->logpalette.palPalEntry; for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = ((palEntry[pixel].peBlue >> 3) & 0x1f) | ((palEntry[pixel].peGreen << 2) & 0xe0); *bbits++ = ((palEntry[pixel].peGreen >> 6) & 0x3) | ((palEntry[pixel].peRed >> 1) & 0x7c); } bbits = (linestart += dstwidth); } break; default: /* ? bit bmp -> 16 bit DIB */ FIXME_(bitmap)("15/16 bit DIB %d bit bitmap\n", bmp->bitmap.bmBitsPixel); break; } break; case 24: /* 24 bit DIB */ switch(bmp->bitmap.bmBitsPixel) { case 24: /* 24/32 bit bmp -> 24 bit DIB */ case 32: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = (pixel >>16) & 0xff; *bbits++ = (pixel >> 8) & 0xff; *bbits++ = pixel & 0xff; } bbits = (linestart += dstwidth); } break; case 15: /* 15/16 bit bmp -> 24 bit DIB */ case 16: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = ((pixel >> 7) & 0xf8) | ((pixel >> 12) & 0x7); *bbits++ = ((pixel >> 2) & 0xf8) | ((pixel >> 7) & 0x7); *bbits++ = ((pixel << 3) & 0xf8) | ((pixel >> 2) & 0x7); } bbits = (linestart += dstwidth); } break; case 1: /* 1/4/8 bit bmp -> 24 bit DIB */ case 4: case 8: palEntry = palette->logpalette.palPalEntry; for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = palEntry[pixel].peBlue; *bbits++ = palEntry[pixel].peGreen; *bbits++ = palEntry[pixel].peRed; } bbits = (linestart += dstwidth); } break; default: /* ? bit bmp -> 24 bit DIB */ FIXME_(bitmap)("24 bit DIB %d bit bitmap\n", bmp->bitmap.bmBitsPixel); break; } break; case 32: /* 32 bit DIB */ switch(bmp->bitmap.bmBitsPixel) { case 24: /* 24/32 bit bmp -> 32 bit DIB */ case 32: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = (pixel >>16) & 0xff; *bbits++ = (pixel >> 8) & 0xff; *bbits++ = pixel & 0xff; *bbits++ = 0; } bbits = (linestart += dstwidth); } break; case 15: /* 15/16 bit bmp -> 32 bit DIB */ case 16: for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = ((pixel >> 7) & 0xf8) | ((pixel >> 12) & 0x7); *bbits++ = ((pixel >> 2) & 0xf8) | ((pixel >> 7) & 0x7); *bbits++ = ((pixel << 3) & 0xf8) | ((pixel >> 2) & 0x7); *bbits++ = 0; } bbits = (linestart += dstwidth); } break; case 1: /* 1/4/8 bit bmp -> 32 bit DIB */ case 4: case 8: palEntry = palette->logpalette.palPalEntry; for( y = yend - 1; (int)y >= (int)startscan; y-- ) { for( x = 0; x < xend; x++ ) { unsigned long pixel=XGetPixel( bmpImage, x, y); *bbits++ = palEntry[pixel].peBlue; *bbits++ = palEntry[pixel].peGreen; *bbits++ = palEntry[pixel].peRed; *bbits++ = 0; } bbits = (linestart += dstwidth); } break; default: /* ? bit bmp -> 32 bit DIB */ FIXME_(bitmap)("32 bit DIB %d bit bitmap\n", bmp->bitmap.bmBitsPixel); break; } break; default: /* ? bit DIB */ FIXME_(bitmap)("Unsupported DIB depth %d\n", info->bmiHeader.biBitCount); break; } XDestroyImage( bmpImage ); LeaveCriticalSection( &X11DRV_CritSection ); if(info->bmiHeader.biSizeImage == 0) /* Fill in biSizeImage */ info->bmiHeader.biSizeImage = DIB_GetDIBImageBytes( info->bmiHeader.biWidth, info->bmiHeader.biHeight, info->bmiHeader.biBitCount ); if(bbits - (BYTE *)bits > info->bmiHeader.biSizeImage) ERR_(bitmap)("Buffer overrun. Please investigate.\n"); info->bmiHeader.biCompression = 0; GDI_HEAP_UNLOCK( dc->w.hPalette ); return lines; } /*********************************************************************** * DIB_DoProtectDIBSection */ static void X11DRV_DIB_DoProtectDIBSection( BITMAPOBJ *bmp, DWORD new_prot ) { DIBSECTION *dib = bmp->dib; INT effHeight = dib->dsBm.bmHeight >= 0? dib->dsBm.bmHeight : -dib->dsBm.bmHeight; INT totalSize = dib->dsBmih.biSizeImage? dib->dsBmih.biSizeImage : dib->dsBm.bmWidthBytes * effHeight; DWORD old_prot; VirtualProtect(dib->dsBm.bmBits, totalSize, new_prot, &old_prot); TRACE_(bitmap)("Changed protection from %ld to %ld\n", old_prot, new_prot); } /*********************************************************************** * X11DRV_DIB_DoUpdateDIBSection */ static void X11DRV_DIB_DoUpdateDIBSection(BITMAPOBJ *bmp, BOOL toDIB) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; X11DRV_DIB_SETIMAGEBITS_DESCR descr; if (DIB_GetBitmapInfo( &dib->dibSection.dsBmih, &descr.infoWidth, &descr.lines, &descr.infoBpp, &descr.compression ) == -1) return; descr.dc = NULL; descr.image = dib->image; descr.colorMap = dib->colorMap; descr.nColorMap = dib->nColorMap; descr.bits = dib->dibSection.dsBm.bmBits; descr.depth = bmp->bitmap.bmBitsPixel; /* Hack for now */ descr.drawable = ((X11DRV_PHYSBITMAP *)bmp->DDBitmap->physBitmap)->pixmap; descr.gc = BITMAP_GC(bmp); descr.xSrc = 0; descr.ySrc = 0; descr.xDest = 0; descr.yDest = 0; descr.width = bmp->bitmap.bmWidth; descr.height = bmp->bitmap.bmHeight; if (toDIB) { TRACE_(bitmap)("Copying from Pixmap to DIB bits\n"); EnterCriticalSection( &X11DRV_CritSection ); CALL_LARGE_STACK( X11DRV_DIB_GetImageBits, &descr ); LeaveCriticalSection( &X11DRV_CritSection ); } else { TRACE_(bitmap)("Copying from DIB bits to Pixmap\n"); EnterCriticalSection( &X11DRV_CritSection ); CALL_LARGE_STACK( X11DRV_DIB_SetImageBits, &descr ); LeaveCriticalSection( &X11DRV_CritSection ); } } /*********************************************************************** * X11DRV_DIB_FaultHandler */ static BOOL X11DRV_DIB_FaultHandler( LPVOID res, LPCVOID addr ) { BOOL handled = FALSE; BITMAPOBJ *bmp; bmp = (BITMAPOBJ *)GDI_GetObjPtr( (HBITMAP)res, BITMAP_MAGIC ); if (!bmp) return FALSE; if (bmp->dib) switch (((X11DRV_DIBSECTION *) bmp->dib)->status) { case X11DRV_DIB_GdiMod: TRACE_(bitmap)("called in status DIB_GdiMod\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); X11DRV_DIB_DoUpdateDIBSection( bmp, TRUE ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); ((X11DRV_DIBSECTION *) bmp->dib)->status = X11DRV_DIB_InSync; handled = TRUE; break; case X11DRV_DIB_InSync: TRACE_(bitmap)("called in status X11DRV_DIB_InSync\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); ((X11DRV_DIBSECTION *) bmp->dib)->status = X11DRV_DIB_AppMod; handled = TRUE; break; case X11DRV_DIB_AppMod: FIXME_(bitmap)("called in status X11DRV_DIB_AppMod: " "this can't happen!\n" ); break; case X11DRV_DIB_NoHandler: FIXME_(bitmap)("called in status DIB_NoHandler: " "this can't happen!\n" ); break; } GDI_HEAP_UNLOCK( (HBITMAP)res ); return handled; } /*********************************************************************** * X11DRV_DIB_UpdateDIBSection */ void X11DRV_DIB_UpdateDIBSection(DC *dc, BOOL toDIB) { BITMAPOBJ *bmp; /* Ensure this is a Compatible DC that has a DIB section selected */ if (!dc) return; if (!(dc->w.flags & DC_MEMORY)) return; bmp = (BITMAPOBJ *)GDI_GetObjPtr( dc->w.hBitmap, BITMAP_MAGIC ); if (!bmp) return; if (!bmp->dib) { GDI_HEAP_UNLOCK(dc->w.hBitmap); return; } if (!toDIB) { /* Prepare for access to the DIB by GDI functions */ switch (((X11DRV_DIBSECTION *) bmp->dib)->status) { default: case X11DRV_DIB_NoHandler: X11DRV_DIB_DoUpdateDIBSection( bmp, FALSE ); break; case X11DRV_DIB_GdiMod: TRACE_(bitmap)("fromDIB called in status X11DRV_DIB_GdiMod\n" ); /* nothing to do */ break; case X11DRV_DIB_InSync: TRACE_(bitmap)("fromDIB called in status X11DRV_DIB_InSync\n" ); /* nothing to do */ break; case X11DRV_DIB_AppMod: TRACE_(bitmap)("fromDIB called in status X11DRV_DIB_AppMod\n" ); X11DRV_DIB_DoUpdateDIBSection( bmp, FALSE ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); ((X11DRV_DIBSECTION *) bmp->dib)->status = X11DRV_DIB_InSync; break; } } else { /* Acknowledge write access to the DIB by GDI functions */ switch (((X11DRV_DIBSECTION *) bmp->dib)->status) { default: case X11DRV_DIB_NoHandler: X11DRV_DIB_DoUpdateDIBSection( bmp, TRUE ); break; case X11DRV_DIB_GdiMod: TRACE_(bitmap)(" toDIB called in status X11DRV_DIB_GdiMod\n" ); /* nothing to do */ break; case X11DRV_DIB_InSync: TRACE_(bitmap)(" toDIB called in status X11DRV_DIB_InSync\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_NOACCESS ); ((X11DRV_DIBSECTION *) bmp->dib)->status = X11DRV_DIB_GdiMod; break; case X11DRV_DIB_AppMod: FIXME_(bitmap)(" toDIB called in status X11DRV_DIB_AppMod: " "this can't happen!\n" ); break; } } GDI_HEAP_UNLOCK(dc->w.hBitmap); } /*********************************************************************** * X11DRV_DIB_CreateDIBSection16 */ HBITMAP16 X11DRV_DIB_CreateDIBSection16( DC *dc, BITMAPINFO *bmi, UINT16 usage, SEGPTR *bits, HANDLE section, DWORD offset) { HBITMAP res = X11DRV_DIB_CreateDIBSection(dc, bmi, usage, NULL, section, offset); if ( res ) { BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr(res, BITMAP_MAGIC); if ( bmp && bmp->dib ) { DIBSECTION *dib = bmp->dib; INT height = dib->dsBm.bmHeight >= 0 ? dib->dsBm.bmHeight : -dib->dsBm.bmHeight; INT size = dib->dsBmih.biSizeImage ? dib->dsBmih.biSizeImage : dib->dsBm.bmWidthBytes * height; if ( dib->dsBm.bmBits ) { ((X11DRV_DIBSECTION *) bmp->dib)->selector = SELECTOR_AllocBlock( dib->dsBm.bmBits, size, SEGMENT_DATA, FALSE, FALSE ); } TRACE_(bitmap)("ptr = %p, size =%d, selector = %04x, segptr = %ld\n", dib->dsBm.bmBits, size, ((X11DRV_DIBSECTION *) bmp->dib)->selector, PTR_SEG_OFF_TO_SEGPTR(((X11DRV_DIBSECTION *) bmp->dib)->selector, 0)); } GDI_HEAP_UNLOCK( res ); if ( bits ) *bits = PTR_SEG_OFF_TO_SEGPTR( ((X11DRV_DIBSECTION *) bmp->dib)->selector, 0 ); } return res; } /*********************************************************************** * X11DRV_DIB_CreateDIBSection */ HBITMAP X11DRV_DIB_CreateDIBSection( DC *dc, BITMAPINFO *bmi, UINT usage, LPVOID *bits, HANDLE section, DWORD offset) { HBITMAP res = 0; BITMAPOBJ *bmp = NULL; X11DRV_DIBSECTION *dib = NULL; int *colorMap = NULL; int nColorMap; /* Fill BITMAP32 structure with DIB data */ BITMAPINFOHEADER *bi = &bmi->bmiHeader; INT effHeight, totalSize; BITMAP bm; TRACE_(bitmap)("format (%ld,%ld), planes %d, bpp %d, size %ld, colors %ld (%s)\n", bi->biWidth, bi->biHeight, bi->biPlanes, bi->biBitCount, bi->biSizeImage, bi->biClrUsed, usage == DIB_PAL_COLORS? "PAL" : "RGB"); bm.bmType = 0; bm.bmWidth = bi->biWidth; bm.bmHeight = bi->biHeight; bm.bmWidthBytes = DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount); bm.bmPlanes = bi->biPlanes; bm.bmBitsPixel = bi->biBitCount; bm.bmBits = NULL; /* Get storage location for DIB bits */ effHeight = bm.bmHeight >= 0 ? bm.bmHeight : -bm.bmHeight; totalSize = bi->biSizeImage? bi->biSizeImage : bm.bmWidthBytes * effHeight; if (section) bm.bmBits = MapViewOfFile(section, FILE_MAP_ALL_ACCESS, 0L, offset, totalSize); else bm.bmBits = VirtualAlloc(NULL, totalSize, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); /* Create Color Map */ if (bm.bmBits && bm.bmBitsPixel <= 8) colorMap = X11DRV_DIB_BuildColorMap( usage == DIB_PAL_COLORS? dc : NULL, usage, bm.bmBitsPixel, bmi, &nColorMap ); /* Allocate Memory for DIB and fill structure */ if (bm.bmBits) dib = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(X11DRV_DIBSECTION)); if (dib) { dib->dibSection.dsBm = bm; dib->dibSection.dsBmih = *bi; /* FIXME: dib->dibSection.dsBitfields ??? */ dib->dibSection.dshSection = section; dib->dibSection.dsOffset = offset; dib->status = X11DRV_DIB_NoHandler; dib->selector = 0; dib->nColorMap = nColorMap; dib->colorMap = colorMap; } /* Create Device Dependent Bitmap and add DIB pointer */ if (dib) { res = CreateDIBitmap(dc->hSelf, bi, 0, NULL, bmi, usage); if (res) { bmp = (BITMAPOBJ *) GDI_GetObjPtr(res, BITMAP_MAGIC); if (bmp) { bmp->dib = (DIBSECTION *) dib; /* HACK for now */ if(!bmp->DDBitmap) X11DRV_CreateBitmap(res); } } } /* Create XImage */ if (dib && bmp) XCREATEIMAGE( dib->image, bm.bmWidth, effHeight, bmp->bitmap.bmBitsPixel ); /* Clean up in case of errors */ if (!res || !bmp || !dib || !bm.bmBits || (bm.bmBitsPixel <= 8 && !colorMap)) { TRACE_(bitmap)("got an error res=%08x, bmp=%p, dib=%p, bm.bmBits=%p\n", res, bmp, dib, bm.bmBits); if (bm.bmBits) { if (section) UnmapViewOfFile(bm.bmBits), bm.bmBits = NULL; else VirtualFree(bm.bmBits, MEM_RELEASE, 0L), bm.bmBits = NULL; } if (dib && dib->image) { XDestroyImage(dib->image); dib->image = NULL; } if (colorMap) { HeapFree(GetProcessHeap(), 0, colorMap); colorMap = NULL; } if (dib) { HeapFree(GetProcessHeap(), 0, dib); dib = NULL; } if (res) { DeleteObject(res); res = 0; } } /* Install fault handler, if possible */ if (bm.bmBits) { if (VIRTUAL_SetFaultHandler(bm.bmBits, X11DRV_DIB_FaultHandler, (LPVOID)res)) { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); if (dib) dib->status = X11DRV_DIB_InSync; } } /* Return BITMAP handle and storage location */ if (res) GDI_HEAP_UNLOCK(res); if (bm.bmBits && bits) *bits = bm.bmBits; return res; } /*********************************************************************** * X11DRV_DIB_DeleteDIBSection */ void X11DRV_DIB_DeleteDIBSection(BITMAPOBJ *bmp) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; if (dib->image) XDestroyImage( dib->image ); if (dib->colorMap) HeapFree(GetProcessHeap(), 0, dib->colorMap); if (dib->selector) { WORD count = (GET_SEL_LIMIT( dib->selector ) >> 16) + 1; SELECTOR_FreeBlock( dib->selector, count ); } } #endif /* !defined(X_DISPLAY_MISSING) */