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IABSD.fr/xenocara/driver/xf86-video-vmware/src/bits2pixels.c
matthieu
- driver/xf86-video-vmware/src/bits2pixels.c
-
/* ********************************************************** * Copyright (C) 1999-2001 VMware, Inc. * All Rights Reserved * **********************************************************/ #ifdef VMX86_DEVEL char rcsId_bits2pixels[] = "Id: bits2pixels.c,v 1.6 2001/01/26 23:32:15 yoel Exp $"; #else #define FILECODE "F(814)" #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif /* * bits2pixels.c -- * * Emulation routines to convert bitmaps to pixmaps */ #include "vm_basic_types.h" #include "bits2pixels.h" /* * Local functions */ static void RasterBitsToPixels8(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg); static void RasterBitsToPixels16(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg); static void RasterBitsToPixels24(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg); static void RasterBitsToPixels32(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg); /* *---------------------------------------------------------------------- * * vmwareRaster_BitsToPixels -- * * Convert a bitmap to a pixmap, converting 1 bits to the foreground * color (fg) and 0 bits to the background color (bg). * * Results: * Pixmap filled with pixels * * Side effects: * None * *---------------------------------------------------------------------- */ void vmwareRaster_BitsToPixels(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, int bytes_per_pixel, uint32 width, uint32 height, uint32 fg, uint32 bg) { switch (bytes_per_pixel) { case 1: RasterBitsToPixels8(bits, bits_increment, pix, pix_increment, width, height, fg, bg); break; case 2: RasterBitsToPixels16(bits, bits_increment, pix, pix_increment, width, height, fg, bg); break; case 3: RasterBitsToPixels24(bits, bits_increment, pix, pix_increment, width, height, fg, bg); break; case 4: RasterBitsToPixels32(bits, bits_increment, pix, pix_increment, width, height, fg, bg); break; } } /* *---------------------------------------------------------------------- * * RasterBitsToPixels8 -- * * Convert a bitmap to a pixmap, converting 1 bits to the foreground * color (fg) and 0 bits to the background color (bg), for an 8-bit * pixmap * * Results: * Pixmap filled with pixels * * Side effects: * None * *---------------------------------------------------------------------- */ void RasterBitsToPixels8(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg) { uint8 *lpix, *lbits; int i, j; uint32 expbits = 0; /* Bits to be expanded */ for (i=0; i<height; i++) { lpix = pix; lbits = bits; for (j = width ; j > 0; j -= 4) { expbits = (*lbits >> 4) & 0x0f; if (j < 4) break; switch (expbits) { case 0: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 1: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 2: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 3: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 4: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 5: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 6: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 7: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; case 8: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 9: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 10: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 11: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 12: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 13: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 14: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 15: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; } expbits = *lbits & 0x0f; j -= 4; if (j < 4) { break; } switch (expbits) { case 0: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 1: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 2: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 3: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 4: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 5: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 6: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 7: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; case 8: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 9: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 10: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 11: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 12: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 13: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 14: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 15: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; } lbits++; } if (j > 0) { *lpix++ = (expbits & 0x08) ? fg : bg; j--; if (j > 0) { *lpix++ = (expbits & 0x04) ? fg : bg; j--; if (j > 0) { *lpix++ = (expbits & 0x02) ? fg : bg; j--; } } } pix += pix_increment; bits += bits_increment; } return; } /* *---------------------------------------------------------------------- * * RasterBitsToPixels16 -- * * Convert a bitmap to a pixmap, converting 1 bits to the foreground * color (fg) and 0 bits to the background color (bg), for a 16-bit * pixmap * * Results: * Pixmap filled with pixels * * Side effects: * None * *---------------------------------------------------------------------- */ void RasterBitsToPixels16(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg) { uint16 *lpix; uint8 *lbits; int i, j; uint32 expbits = 0; /* Bits to be expanded */ for (i=0; i<height; i++) { lpix = (uint16 *)pix; lbits = bits; for (j = width; j > 0; j -= 4) { expbits = (*lbits >> 4) & 0x0f; if (j < 4) break; switch (expbits) { case 0: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 1: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 2: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 3: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 4: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 5: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 6: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 7: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; case 8: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 9: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 10: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 11: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 12: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 13: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 14: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 15: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; } expbits = *lbits & 0x0f; j -= 4; if (j < 4) { break; } switch (expbits) { case 0: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 1: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 2: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 3: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 4: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 5: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 6: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 7: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; case 8: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 9: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 10: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 11: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 12: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 13: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 14: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 15: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; } lbits++; } if (j > 0) { *lpix++ = (expbits & 0x08) ? fg : bg; j--; if (j > 0) { *lpix++ = (expbits & 0x04) ? fg : bg; j--; if (j > 0) { *lpix++ = (expbits & 0x02) ? fg : bg; j--; } } } pix += pix_increment; bits += bits_increment; } return; } /* *---------------------------------------------------------------------- * * RasterBitsToPixels24 -- * * Convert a bitmap to a pixmap, converting 1 bits to the foreground * color (fg) and 0 bits to the background color (bg), for a 24-bit * pixmap * * Results: * Pixmap filled with pixels * * Side effects: * None * *---------------------------------------------------------------------- */ void RasterBitsToPixels24(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg) { uint8 *lpix, *lbits; uint32 fgColor1, fgColor2, fgColor3; uint32 bgColor1, bgColor2, bgColor3; int i, j; uint32 expbits = 0; /* Bits to be expanded */ fgColor1 = fg & 0x000000ff; fgColor2 = (fg >> 8) & 0x000000ff; fgColor3 = (fg >> 16) & 0x000000ff; bgColor1 = bg & 0x000000ff; bgColor2 = (bg >> 8) & 0x000000ff; bgColor3 = (bg >> 16) & 0x000000ff; for (i=0; i<height; i++) { lpix = pix; lbits = bits; for (j = width; j > 0; j -= 4) { expbits = (*lbits >> 4) & 0x0f; if (j < 4) break; switch (expbits) { case 0: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 1: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 2: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 3: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 4: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 5: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 6: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 7: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 8: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 9: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 10: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 11: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 12: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 13: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 14: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 15: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; } expbits = *lbits & 0x0f; j -= 4; if (j < 4) { break; } switch (expbits) { case 0: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 1: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 2: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 3: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 4: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 5: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 6: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 7: *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 8: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 9: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 10: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 11: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 12: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 13: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; case 14: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = bgColor1; *lpix++ = bgColor2; *lpix++ = bgColor3; break; case 15: *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; *lpix++ = fgColor1; *lpix++ = fgColor2; *lpix++ = fgColor3; break; } lbits++; } if (j > 0) { *lpix++ = (expbits & 0x08) ? fgColor1 : bgColor1; *lpix++ = (expbits & 0x08) ? fgColor2 : bgColor2; *lpix++ = (expbits & 0x08) ? fgColor3 : bgColor3; j--; if (j > 0) { *lpix++ = (expbits & 0x04) ? fgColor1 : bgColor1; *lpix++ = (expbits & 0x04) ? fgColor2 : bgColor2; *lpix++ = (expbits & 0x04) ? fgColor3 : bgColor3; j--; if (j > 0) { *lpix++ = (expbits & 0x02) ? fgColor1 : bgColor1; *lpix++ = (expbits & 0x02) ? fgColor2 : bgColor2; *lpix++ = (expbits & 0x02) ? fgColor3 : bgColor3; j--; } } } pix += pix_increment; bits += bits_increment; } return; } /* *---------------------------------------------------------------------- * * RasterBitsToPixels32 -- * * Convert a bitmap to a pixmap, converting 1 bits to the foreground * color (fg) and 0 bits to the background color (bg), for a 32-bit * pixmap * * Results: * Pixmap filled with pixels * * Side effects: * None * *---------------------------------------------------------------------- */ void RasterBitsToPixels32(uint8 *bits, uint32 bits_increment, uint8 *pix, uint32 pix_increment, uint32 width, uint32 height, uint32 fg, uint32 bg) { uint32 *lpix; uint8 *lbits; int i, j; uint32 expbits = 0; /* Bits to be expanded */ for (i=0; i<height; i++) { lpix = (uint32 *)pix; lbits = bits; for (j = width; j > 0; j -= 4) { expbits = (*lbits >> 4) & 0x0f; if (j < 4) break; switch (expbits) { case 0: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 1: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 2: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 3: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 4: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 5: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 6: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 7: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; case 8: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 9: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 10: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 11: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 12: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 13: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 14: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 15: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; } expbits = *lbits & 0x0f; j -= 4; if (j < 4) { break; } switch (expbits) { case 0: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 1: *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 2: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 3: *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 4: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 5: *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 6: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 7: *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; case 8: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = bg; break; case 9: *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; *lpix++ = fg; break; case 10: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = bg; break; case 11: *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; *lpix++ = fg; break; case 12: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = bg; break; case 13: *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; *lpix++ = fg; break; case 14: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = bg; break; case 15: *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; *lpix++ = fg; break; } lbits++; } if (j > 0) { *lpix++ = (expbits & 0x08) ? fg : bg; j--; if (j > 0) { *lpix++ = (expbits & 0x04) ? fg : bg; j--; if (j > 0) { *lpix++ = (expbits & 0x02) ? fg : bg; j--; } } } pix += pix_increment; bits += bits_increment; } return; }