diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/Render.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/Render.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Render.c b/nx-X11/programs/Xserver/hw/nxagent/Render.c index 1ce62b2f2..cf1d0ed07 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/Render.c +++ b/nx-X11/programs/Xserver/hw/nxagent/Render.c @@ -202,6 +202,251 @@ Bool nxagentReconnectAllPicture(void *); Bool nxagentDisconnectAllPicture(void); +#ifdef NXAGENT_RENDER_CLEANUP + +#include <stdio.h> + +#define ROUNDUP(nbits, pad) ((((nbits) + ((pad)-1)) / (pad)) * ((pad)>>3)) + +void +nxagentCleanGlyphs(xGlyphInfo *gi, + int nglyphs, + CARD8 *images, + int depth, + Display *dpy) +{ + int widthInBits; + int bytesPerLine; + int bytesToClean; + int bitsToClean; + int widthInBytes; + int height = gi -> height; + register int i; + int j; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: Found a Glyph with Depth %d, width %d, pad %d.\n", + depth, gi -> width, dpy -> bitmap_pad); + #endif + + while (nglyphs > 0) + { + if (depth == 24) + { + widthInBits = gi -> width * 32; + + bytesPerLine = ROUNDUP(widthInBits, dpy -> bitmap_pad); + + bytesToClean = bytesPerLine * height; + + #ifdef DUBUG + fprintf(stderr, "nxagentCleanGlyphs: Found glyph with depth 24, bytes to clean is %d" + "width in bits is %d bytes per line [%d] height [%d].\n", bytesToClean, + widthInBits, bytesPerLine, height); + #endif + + if (dpy -> byte_order == LSBFirst) + { + for (i = 3; i < bytesToClean; i += 4) + { + images[i] = 0x00; + } + } + else + { + for (i = 0; i < bytesToClean; i += 4) + { + images[i] = 0x00; + } + } + + #ifdef DUMP + fprintf(stderr, "nxagentCleanGlyphs: depth %d, bytesToClean %d, scanline: ", depth, bytesToClean); + for (i = 0; i < bytesPerLine; i++) + { + fprintf(stderr, "[%d]", images[i]); + } + fprintf(stderr,"\n"); + #endif + + images += bytesToClean; + + gi++; + + nglyphs--; + } + else if (depth == 1) + { + widthInBits = gi -> width; + + bytesPerLine = ROUNDUP(widthInBits, dpy -> bitmap_pad); + + bitsToClean = (bytesPerLine << 3) - (gi -> width); + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: Found glyph with depth 1, width [%d], height [%d], bitsToClean [%d]," + " bytesPerLine [%d].\n", gi -> width, height, bitsToClean, bytesPerLine); + #endif + + bytesToClean = bitsToClean >> 3; + + bitsToClean &= 7; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: bitsToClean &=7 is %d, bytesToCLean is %d." + " byte_order is %d, bitmap_bit_order is %d.\n", bitsToClean, bytesToClean, + dpy -> byte_order, dpy -> bitmap_bit_order); + #endif + + for (i = 1; i <= height; i++) + { + if (dpy -> byte_order == dpy -> bitmap_bit_order) + { + for (j = 1; j <= bytesToClean; j++) + { + images[i * bytesPerLine - j] = 0x00; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: byte_order = bitmap_bit_orde, cleaning %d, i=%d, j=%d.\n" + , (i * bytesPerLine - j), i, j); + #endif + + } + } + else + { + for (j = bytesToClean; j >= 1; j--) + { + images[i * bytesPerLine - j] = 0x00; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: byte_order %d, bitmap_bit_order %d, cleaning %d, i=%d, j=%d.\n" + , dpy -> byte_order, dpy -> bitmap_bit_order, (i * bytesPerLine - j), i, j); + #endif + + } + } + + if (dpy -> bitmap_bit_order == MSBFirst) + { + images[i * bytesPerLine - j] &= 0xff << bitsToClean; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: byte_order MSBFirst, cleaning %d, i=%d, j=%d.\n" + , (i * bytesPerLine - j), i, j); + #endif + } + else + { + images[i * bytesPerLine - j] &= 0xff >> bitsToClean; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: byte_order LSBFirst, cleaning %d, i=%d, j=%d.\n" + , (i * bytesPerLine - j), i, j); + #endif + } + } + + #ifdef DUMP + fprintf(stderr, "nxagentCleanGlyphs: depth %d, bytesToClean %d, scanline: ", depth, bytesToClean); + for (i = 0; i < bytesPerLine; i++) + { + fprintf(stderr, "[%d]", images[i]); + } + fprintf(stderr,"\n"); + #endif + + images += bytesPerLine * height; + + gi++; + + nglyphs--; + } + else if ((depth == 8) || (depth == 16) ) + { + widthInBits = gi -> width * depth; + + bytesPerLine = ROUNDUP(widthInBits, dpy -> bitmap_pad); + + widthInBytes = (widthInBits >> 3); + + bytesToClean = bytesPerLine - widthInBytes; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: nglyphs is %d, width of glyph in bits is %d, in bytes is %d.\n", + nglyphs, widthInBits, widthInBytes); + + fprintf(stderr, "nxagentCleanGlyphs: bytesPerLine is %d bytes, there are %d scanlines.\n", bytesPerLine, height); + + fprintf(stderr, "nxagentCleanGlyphs: Bytes to clean for each scanline are %d.\n", bytesToClean); + #endif + + if (bytesToClean > 0) + { + while (height > 0) + { + i = bytesToClean; + + while (i > 0) + { + *(images + (bytesPerLine - i)) = 0; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: cleaned a byte.\n"); + #endif + + i--; + } + + #ifdef DUMP + fprintf(stderr, "nxagentCleanGlyphs: depth %d, bytesToClean %d, scanline: ", depth, bytesToClean); + for (i = 0; i < bytesPerLine; i++) + { + fprintf(stderr, "[%d]", images[i]); + } + fprintf(stderr,"\n"); + #endif + + images += bytesPerLine; + + height--; + } + } + + gi++; + + nglyphs--; + + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: Breaking Out.\n"); + #endif + } + else if (depth == 32) + { + #ifdef DEBUG + fprintf(stderr, "nxagentCleanGlyphs: Found glyph with depth 32.\n"); + #endif + + gi++; + + nglyphs--; + } + else + { + #ifdef WARNING + fprintf(stderr, "nxagentCleanGlyphs: Unrecognized glyph, depth is not 8/16/24/32, it appears to be %d.\n", + depth); + #endif + + gi++; + + nglyphs--; + } + } +} + +#endif /* #ifdef NXAGENT_RENDER_CLEANUP */ + void nxagentRenderExtensionInit() { int first_event, first_error; @@ -2269,6 +2514,10 @@ void nxagentAddGlyphs(GlyphSetPtr glyphSet, Glyph *gids, xGlyphInfo *gi, normalizedImages = images; } + #ifdef NXAGENT_RENDER_CLEANUP + nxagentCleanGlyphs(gi, nglyphs, normalizedImages, glyphDepths[glyphSet -> fdepth], nxagentDisplay); + #endif /* NXAGENT_RENDER_CLEANUP */ + XRenderAddGlyphs(nxagentDisplay, glyphSet -> remoteID, gids, |