| /* | |
| * X11DRV device-independent bitmaps | |
| * | |
| * Copyright 1993,1994 Alexandre Julliard | |
| */ | |
| #include "windows.h" | |
| #include "bitmap.h" | |
| #include "x11drv.h" | |
| #include "ts_xlib.h" | |
| #include "ts_xutil.h" | |
| #include "debug.h" | |
| #include "dc.h" | |
| #include "color.h" | |
| #include "callback.h" | |
| static int bitmapDepthTable[] = { 8, 1, 32, 16, 24, 15, 4, 0 }; | |
| static int ximageDepthTable[] = { 0, 0, 0, 0, 0, 0, 0 }; | |
| /*********************************************************************** | |
| * X11DRV_DIB_Init | |
| */ | |
| BOOL32 X11DRV_DIB_Init(void) | |
| { | |
| int i; | |
| XImage* testimage; | |
| for( i = 0; bitmapDepthTable[i]; i++ ) | |
| { | |
| testimage = TSXCreateImage(display, DefaultVisualOfScreen(screen), | |
| 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; | |
| BOOL32 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] = COLOR_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] = COLOR_ToPhysical( dc, RGB(rgb->rgbtRed, | |
| rgb->rgbtGreen, | |
| rgb->rgbtBlue)); | |
| } | |
| } | |
| else /* DIB_PAL_COLORS */ | |
| { | |
| for (i = 0; i < colors; i++, colorPtr++) | |
| colorMapping[i] = COLOR_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; | |
| DWORD i, x; | |
| dstwidth += left; bits += left >> 3; | |
| /* FIXME: should avoid putting x<left pixels (minor speed issue) */ | |
| for (i = dstwidth/8, x = left&~7; (i > 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; | |
| dstwidth += left; | |
| /* FIXME: should avoid putting x<left pixels (minor speed issue) */ | |
| if (lines > 0) { | |
| for (h = lines-1; h >= 0; h--) { | |
| for (i = dstwidth/2, x = left&~1; 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&~1; 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; | |
| dstwidth += left; | |
| /* FIXME: should avoid putting x<left pixels (minor speed issue) */ | |
| if (lines > 0) { | |
| for (h = lines-1; h >= 0; h--) { | |
| for (i = dstwidth/2, x = left&~1; 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&~1; 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); | |
| } | |
| } | |
| } | |
| #define check_xy(x,y) \ | |
| if (x > width) { \ | |
| x = 0; \ | |
| if (lines) \ | |
| lines--; \ | |
| } | |
| /*********************************************************************** | |
| * 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; | |
| dstwidth += left; /* FIXME: avoid putting x<left pixels */ | |
| lines--; | |
| while ((int)lines >= 0) | |
| { | |
| length = *bits++; | |
| if (length) { /* encoded */ | |
| c = *bits++; | |
| while (length--) { | |
| XPutPixel(bmpImage, x++, lines, colors[c >> 4]); | |
| check_xy(x, y); | |
| if (length) { | |
| length--; | |
| XPutPixel(bmpImage, x++, lines, colors[c & 0xf]); | |
| check_xy(x, y); | |
| } | |
| } | |
| } else { | |
| length = *bits++; | |
| switch (length) { | |
| case 0: /* eol */ | |
| x = 0; | |
| lines--; | |
| continue; | |
| case 1: /* eopicture */ | |
| return; | |
| case 2: /* delta */ | |
| x += *bits++; | |
| lines -= *bits++; | |
| continue; | |
| default: /* absolute */ | |
| while (length--) { | |
| c = *bits++; | |
| XPutPixel(bmpImage, x++, lines, colors[c >> 4]); | |
| check_xy(x, y); | |
| if (length) { | |
| length--; | |
| XPutPixel(bmpImage, x++, lines, colors[c & 0xf]); | |
| check_xy(x, y); | |
| } | |
| } | |
| 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 <mbcstjy@afs.man.ac.uk> | |
| * [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; | |
| dstwidth += left; /* FIXME: avoid putting x<left pixels */ | |
| /* | |
| * 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 (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, | |
| COLOR_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, | |
| COLOR_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 = COLOR_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 = COLOR_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 (lines > 0) { | |
| for (h = lines - 1; h >= 0; h--) { | |
| for (x = left; x < dstwidth; x++, bits += 3) { | |
| XPutPixel( bmpImage, x, h, | |
| COLOR_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, | |
| COLOR_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 = COLOR_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 = COLOR_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 (lines > 0) { | |
| for (h = lines - 1; h >= 0; h--) { | |
| for (x = left; x < dstwidth; x++, bits += 4) { | |
| XPutPixel( bmpImage, x, h, | |
| COLOR_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, | |
| COLOR_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 = COLOR_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 = COLOR_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 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 | |
| XCREATEIMAGE( bmpImage, descr->infoWidth, lines, descr->depth ); | |
| /* 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 DIB_SETIMAGEBITS_DESCR *descr ) | |
| { | |
| int lines = descr->lines >= 0 ? descr->lines : -descr->lines; | |
| XImage *bmpImage; | |
| if (descr->image) | |
| bmpImage = descr->image; | |
| else | |
| XCREATEIMAGE( bmpImage, descr->infoWidth, lines, descr->depth ); | |
| 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 | |
| * | |
| */ | |
| INT32 X11DRV_SetDIBitsToDevice( DC *dc, INT32 xDest, INT32 yDest, DWORD cx, | |
| DWORD cy, INT32 xSrc, INT32 ySrc, | |
| UINT32 startscan, UINT32 lines, LPCVOID bits, | |
| const BITMAPINFO *info, UINT32 coloruse ) | |
| { | |
| DIB_SETIMAGEBITS_DESCR descr; | |
| DWORD width, oldcy = cy; | |
| INT32 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 ); | |
| HeapFree(GetProcessHeap(), 0, descr.colorMap); | |
| return result; | |
| } |