glx: indent -br -i3 -npcs --no-tabs xfont.c
This commit is contained in:
RALOVICH, Kristóf
Alan Hourihane
parent
b57e9f2a74
commit
1bb4658fab
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@ -49,59 +49,56 @@
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int debug_xfonts = 0;
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static void
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dump_char_struct (XCharStruct *ch, char *prefix)
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dump_char_struct(XCharStruct * ch, char *prefix)
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{
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printf ("%slbearing = %d, rbearing = %d, width = %d\n",
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printf("%slbearing = %d, rbearing = %d, width = %d\n",
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prefix, ch->lbearing, ch->rbearing, ch->width);
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printf ("%sascent = %d, descent = %d, attributes = %u\n",
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printf("%sascent = %d, descent = %d, attributes = %u\n",
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prefix, ch->ascent, ch->descent, (unsigned int) ch->attributes);
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}
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static void
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dump_font_struct (XFontStruct *font)
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dump_font_struct(XFontStruct * font)
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{
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printf ("ascent = %d, descent = %d\n", font->ascent, font->descent);
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printf ("char_or_byte2 = (%u,%u)\n",
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printf("ascent = %d, descent = %d\n", font->ascent, font->descent);
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printf("char_or_byte2 = (%u,%u)\n",
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font->min_char_or_byte2, font->max_char_or_byte2);
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printf ("byte1 = (%u,%u)\n", font->min_byte1, font->max_byte1);
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printf ("all_chars_exist = %s\n", font->all_chars_exist ? "True" :
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"False");
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printf ("default_char = %c (\\%03o)\n",
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(char) (isprint (font->default_char) ? font->default_char : ' '),
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printf("byte1 = (%u,%u)\n", font->min_byte1, font->max_byte1);
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printf("all_chars_exist = %s\n", font->all_chars_exist ? "True" : "False");
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printf("default_char = %c (\\%03o)\n",
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(char) (isprint(font->default_char) ? font->default_char : ' '),
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font->default_char);
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dump_char_struct (&font->min_bounds, "min> ");
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dump_char_struct (&font->max_bounds, "max> ");
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dump_char_struct(&font->min_bounds, "min> ");
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dump_char_struct(&font->max_bounds, "max> ");
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#if 0
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for (c = font->min_char_or_byte2; c <= font->max_char_or_byte2; c++)
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{
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for (c = font->min_char_or_byte2; c <= font->max_char_or_byte2; c++) {
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char prefix[8];
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sprintf (prefix, "%d> ", c);
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dump_char_struct (&font->per_char[c], prefix);
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}
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sprintf(prefix, "%d> ", c);
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dump_char_struct(&font->per_char[c], prefix);
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}
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#endif
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}
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static void
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dump_bitmap (unsigned int width, unsigned int height, GLubyte *bitmap)
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dump_bitmap(unsigned int width, unsigned int height, GLubyte * bitmap)
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{
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unsigned int x, y;
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unsigned int x, y;
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printf (" ");
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for (x = 0; x < 8*width; x++)
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printf ("%o", 7 - (x % 8));
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putchar ('\n');
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for (y = 0; y < height; y++)
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{
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printf ("%3o:", y);
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for (x = 0; x < 8*width; x++)
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putchar ((bitmap[width*(height - y - 1) + x/8] & (1 << (7 - (x %
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8))))
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printf(" ");
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for (x = 0; x < 8 * width; x++)
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printf("%o", 7 - (x % 8));
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putchar('\n');
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for (y = 0; y < height; y++) {
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printf("%3o:", y);
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for (x = 0; x < 8 * width; x++)
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putchar((bitmap[width * (height - y - 1) + x / 8] & (1 << (7 - (x %
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8))))
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? '*' : '.');
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printf (" ");
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printf(" ");
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for (x = 0; x < width; x++)
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printf ("0x%02x, ", bitmap[width*(height - y - 1) + x]);
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putchar ('\n');
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}
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printf("0x%02x, ", bitmap[width * (height - y - 1) + x]);
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putchar('\n');
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}
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}
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#endif /* DEBUG */
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@ -133,169 +130,172 @@ dump_bitmap (unsigned int width, unsigned int height, GLubyte *bitmap)
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* Generate OpenGL-compatible bitmap.
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*/
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static void
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fill_bitmap (Display *dpy, Window win, GC gc,
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unsigned int width, unsigned int height,
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int x0, int y0, unsigned int c, GLubyte *bitmap)
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fill_bitmap(Display * dpy, Window win, GC gc,
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unsigned int width, unsigned int height,
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int x0, int y0, unsigned int c, GLubyte * bitmap)
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{
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XImage *image;
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unsigned int x, y;
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Pixmap pixmap;
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XChar2b char2b;
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XImage *image;
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unsigned int x, y;
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Pixmap pixmap;
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XChar2b char2b;
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pixmap = XCreatePixmap (dpy, win, 8*width, height, 1);
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XSetForeground(dpy, gc, 0);
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XFillRectangle (dpy, pixmap, gc, 0, 0, 8*width, height);
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XSetForeground(dpy, gc, 1);
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pixmap = XCreatePixmap(dpy, win, 8 * width, height, 1);
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XSetForeground(dpy, gc, 0);
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XFillRectangle(dpy, pixmap, gc, 0, 0, 8 * width, height);
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XSetForeground(dpy, gc, 1);
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char2b.byte1 = (c >> 8) & 0xff;
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char2b.byte2 = (c & 0xff);
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char2b.byte1 = (c >> 8) & 0xff;
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char2b.byte2 = (c & 0xff);
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XDrawString16 (dpy, pixmap, gc, x0, y0, &char2b, 1);
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XDrawString16(dpy, pixmap, gc, x0, y0, &char2b, 1);
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image = XGetImage (dpy, pixmap, 0, 0, 8*width, height, 1, XYPixmap);
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if (image) {
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/* Fill the bitmap (X11 and OpenGL are upside down wrt each other). */
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for (y = 0; y < height; y++)
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for (x = 0; x < 8*width; x++)
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if (XGetPixel (image, x, y))
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bitmap[width*(height - y - 1) + x/8] |= (1 << (7 - (x % 8)));
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XDestroyImage (image);
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}
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image = XGetImage(dpy, pixmap, 0, 0, 8 * width, height, 1, XYPixmap);
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if (image) {
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/* Fill the bitmap (X11 and OpenGL are upside down wrt each other). */
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for (y = 0; y < height; y++)
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for (x = 0; x < 8 * width; x++)
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if (XGetPixel(image, x, y))
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bitmap[width * (height - y - 1) + x / 8] |=
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(1 << (7 - (x % 8)));
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XDestroyImage(image);
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}
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XFreePixmap (dpy, pixmap);
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XFreePixmap(dpy, pixmap);
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}
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/*
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* determine if a given glyph is valid and return the
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* corresponding XCharStruct.
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*/
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static XCharStruct *isvalid(XFontStruct *fs, int which)
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static XCharStruct *
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isvalid(XFontStruct * fs, int which)
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{
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unsigned int rows,pages;
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int byte1 = 0, byte2 = 0;
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int i,valid = 1;
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unsigned int rows, pages;
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int byte1 = 0, byte2 = 0;
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int i, valid = 1;
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rows = fs->max_byte1 - fs->min_byte1 + 1;
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pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1;
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rows = fs->max_byte1 - fs->min_byte1 + 1;
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pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1;
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if (rows == 1) {
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/* "linear" fonts */
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if ((fs->min_char_or_byte2 > which) ||
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(fs->max_char_or_byte2 < which)) valid = 0;
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} else {
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/* "matrix" fonts */
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byte2 = which & 0xff;
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byte1 = which >> 8;
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if ((fs->min_char_or_byte2 > byte2) ||
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(fs->max_char_or_byte2 < byte2) ||
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(fs->min_byte1 > byte1) ||
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(fs->max_byte1 < byte1)) valid = 0;
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}
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if (rows == 1) {
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/* "linear" fonts */
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if ((fs->min_char_or_byte2 > which) || (fs->max_char_or_byte2 < which))
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valid = 0;
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}
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else {
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/* "matrix" fonts */
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byte2 = which & 0xff;
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byte1 = which >> 8;
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if ((fs->min_char_or_byte2 > byte2) ||
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(fs->max_char_or_byte2 < byte2) ||
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(fs->min_byte1 > byte1) || (fs->max_byte1 < byte1))
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valid = 0;
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}
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if (valid) {
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if (fs->per_char) {
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if (rows == 1) {
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/* "linear" fonts */
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return(fs->per_char + (which-fs->min_char_or_byte2) );
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} else {
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/* "matrix" fonts */
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i = ((byte1 - fs->min_byte1) * pages) +
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(byte2 - fs->min_char_or_byte2);
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return(fs->per_char + i);
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if (valid) {
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if (fs->per_char) {
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if (rows == 1) {
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/* "linear" fonts */
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return (fs->per_char + (which - fs->min_char_or_byte2));
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}
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else {
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/* "matrix" fonts */
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i = ((byte1 - fs->min_byte1) * pages) +
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(byte2 - fs->min_char_or_byte2);
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return (fs->per_char + i);
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}
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}
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} else {
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return(&fs->min_bounds);
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}
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}
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return(NULL);
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else {
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return (&fs->min_bounds);
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}
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}
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return (NULL);
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}
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_X_HIDDEN void DRI_glXUseXFont( Font font, int first, int count, int listbase )
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_X_HIDDEN void
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DRI_glXUseXFont(Font font, int first, int count, int listbase)
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{
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GLXContext CC;
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Display *dpy;
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Window win;
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Pixmap pixmap;
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GC gc;
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XGCValues values;
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unsigned long valuemask;
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XFontStruct *fs;
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GLXContext CC;
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Display *dpy;
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Window win;
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Pixmap pixmap;
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GC gc;
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XGCValues values;
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unsigned long valuemask;
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XFontStruct *fs;
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GLint swapbytes, lsbfirst, rowlength;
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GLint skiprows, skippixels, alignment;
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GLint swapbytes, lsbfirst, rowlength;
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GLint skiprows, skippixels, alignment;
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unsigned int max_width, max_height, max_bm_width, max_bm_height;
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GLubyte *bm;
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unsigned int max_width, max_height, max_bm_width, max_bm_height;
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GLubyte *bm;
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int i;
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int i;
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CC = __glXGetCurrentContext();
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dpy = CC->currentDpy;
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win = CC->currentDrawable;
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CC = __glXGetCurrentContext();
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dpy = CC->currentDpy;
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win = CC->currentDrawable;
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fs = XQueryFont (dpy, font);
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if (!fs)
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{
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fs = XQueryFont(dpy, font);
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if (!fs) {
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__glXSetError(CC, GL_INVALID_VALUE);
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return;
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}
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}
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/* Allocate a bitmap that can fit all characters. */
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max_width = fs->max_bounds.rbearing - fs->min_bounds.lbearing;
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max_height = fs->max_bounds.ascent + fs->max_bounds.descent;
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max_bm_width = (max_width + 7) / 8;
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max_bm_height = max_height;
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/* Allocate a bitmap that can fit all characters. */
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max_width = fs->max_bounds.rbearing - fs->min_bounds.lbearing;
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max_height = fs->max_bounds.ascent + fs->max_bounds.descent;
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max_bm_width = (max_width + 7) / 8;
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max_bm_height = max_height;
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bm = (GLubyte *) Xmalloc((max_bm_width * max_bm_height) * sizeof
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(GLubyte));
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if (!bm) {
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XFreeFontInfo( NULL, fs, 1 );
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bm = (GLubyte *) Xmalloc((max_bm_width * max_bm_height) * sizeof(GLubyte));
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if (!bm) {
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XFreeFontInfo(NULL, fs, 1);
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__glXSetError(CC, GL_OUT_OF_MEMORY);
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return;
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}
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}
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#if 0
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/* get the page info */
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pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1;
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firstchar = (fs->min_byte1 << 8) + fs->min_char_or_byte2;
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lastchar = (fs->max_byte1 << 8) + fs->max_char_or_byte2;
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rows = fs->max_byte1 - fs->min_byte1 + 1;
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unsigned int first_char, last_char, pages, rows;
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/* get the page info */
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pages = fs->max_char_or_byte2 - fs->min_char_or_byte2 + 1;
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firstchar = (fs->min_byte1 << 8) + fs->min_char_or_byte2;
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lastchar = (fs->max_byte1 << 8) + fs->max_char_or_byte2;
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rows = fs->max_byte1 - fs->min_byte1 + 1;
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unsigned int first_char, last_char, pages, rows;
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#endif
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/* Save the current packing mode for bitmaps. */
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glGetIntegerv (GL_UNPACK_SWAP_BYTES, &swapbytes);
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glGetIntegerv (GL_UNPACK_LSB_FIRST, &lsbfirst);
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glGetIntegerv (GL_UNPACK_ROW_LENGTH, &rowlength);
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glGetIntegerv (GL_UNPACK_SKIP_ROWS, &skiprows);
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glGetIntegerv (GL_UNPACK_SKIP_PIXELS, &skippixels);
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glGetIntegerv (GL_UNPACK_ALIGNMENT, &alignment);
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/* Save the current packing mode for bitmaps. */
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glGetIntegerv(GL_UNPACK_SWAP_BYTES, &swapbytes);
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glGetIntegerv(GL_UNPACK_LSB_FIRST, &lsbfirst);
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glGetIntegerv(GL_UNPACK_ROW_LENGTH, &rowlength);
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glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skiprows);
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glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skippixels);
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glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
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/* Enforce a standard packing mode which is compatible with
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fill_bitmap() from above. This is actually the default mode,
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except for the (non)alignment. */
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glPixelStorei (GL_UNPACK_SWAP_BYTES, GL_FALSE);
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glPixelStorei (GL_UNPACK_LSB_FIRST, GL_FALSE);
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glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
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glPixelStorei (GL_UNPACK_SKIP_ROWS, 0);
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glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
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glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
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/* Enforce a standard packing mode which is compatible with
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fill_bitmap() from above. This is actually the default mode,
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except for the (non)alignment. */
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glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
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glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
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glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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pixmap = XCreatePixmap (dpy, win, 10, 10, 1);
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values.foreground = BlackPixel (dpy, DefaultScreen (dpy));
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values.background = WhitePixel (dpy, DefaultScreen (dpy));
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values.font = fs->fid;
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valuemask = GCForeground | GCBackground | GCFont;
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gc = XCreateGC (dpy, pixmap, valuemask, &values);
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XFreePixmap (dpy, pixmap);
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pixmap = XCreatePixmap(dpy, win, 10, 10, 1);
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values.foreground = BlackPixel(dpy, DefaultScreen(dpy));
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values.background = WhitePixel(dpy, DefaultScreen(dpy));
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values.font = fs->fid;
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valuemask = GCForeground | GCBackground | GCFont;
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gc = XCreateGC(dpy, pixmap, valuemask, &values);
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XFreePixmap(dpy, pixmap);
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#ifdef DEBUG
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if (debug_xfonts)
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dump_font_struct (fs);
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if (debug_xfonts)
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dump_font_struct(fs);
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#endif
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for (i = 0; i < count; i++)
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{
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for (i = 0; i < count; i++) {
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unsigned int width, height, bm_width, bm_height;
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GLfloat x0, y0, dx, dy;
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XCharStruct *ch;
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@ -307,17 +307,18 @@ _X_HIDDEN void DRI_glXUseXFont( Font font, int first, int count, int listbase )
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/* check on index validity and get the bounds */
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ch = isvalid(fs, c);
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if (!ch) {
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ch = &fs->max_bounds;
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valid = 0;
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} else {
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valid = 1;
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ch = &fs->max_bounds;
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valid = 0;
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}
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else {
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valid = 1;
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}
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#ifdef DEBUG
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if (debug_xfonts) {
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char s[7];
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sprintf (s, isprint (c) ? "%c> " : "\\%03o> ", c);
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dump_char_struct (ch, s);
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char s[7];
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sprintf(s, isprint(c) ? "%c> " : "\\%03o> ", c);
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dump_char_struct(ch, s);
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}
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#endif
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@ -325,13 +326,13 @@ _X_HIDDEN void DRI_glXUseXFont( Font font, int first, int count, int listbase )
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straight from the glXUseXFont(3) manpage. */
|
||||
width = ch->rbearing - ch->lbearing;
|
||||
height = ch->ascent + ch->descent;
|
||||
x0 = - ch->lbearing;
|
||||
x0 = -ch->lbearing;
|
||||
y0 = ch->descent - 1;
|
||||
dx = ch->width;
|
||||
dy = 0;
|
||||
|
||||
/* X11's starting point. */
|
||||
x = - ch->lbearing;
|
||||
x = -ch->lbearing;
|
||||
y = ch->ascent;
|
||||
|
||||
/* Round the width to a multiple of eight. We will use this also
|
||||
|
|
@ -340,38 +341,38 @@ _X_HIDDEN void DRI_glXUseXFont( Font font, int first, int count, int listbase )
|
|||
bm_width = (width + 7) / 8;
|
||||
bm_height = height;
|
||||
|
||||
glNewList (list, GL_COMPILE);
|
||||
if (valid && (bm_width > 0) && (bm_height > 0)) {
|
||||
glNewList(list, GL_COMPILE);
|
||||
if (valid && (bm_width > 0) && (bm_height > 0)) {
|
||||
|
||||
memset (bm, '\0', bm_width * bm_height);
|
||||
fill_bitmap (dpy, win, gc, bm_width, bm_height, x, y, c, bm);
|
||||
memset(bm, '\0', bm_width * bm_height);
|
||||
fill_bitmap(dpy, win, gc, bm_width, bm_height, x, y, c, bm);
|
||||
|
||||
glBitmap (width, height, x0, y0, dx, dy, bm);
|
||||
glBitmap(width, height, x0, y0, dx, dy, bm);
|
||||
#ifdef DEBUG
|
||||
if (debug_xfonts) {
|
||||
printf ("width/height = %u/%u\n", width, height);
|
||||
printf ("bm_width/bm_height = %u/%u\n", bm_width,
|
||||
bm_height);
|
||||
dump_bitmap (bm_width, bm_height, bm);
|
||||
}
|
||||
if (debug_xfonts) {
|
||||
printf("width/height = %u/%u\n", width, height);
|
||||
printf("bm_width/bm_height = %u/%u\n", bm_width, bm_height);
|
||||
dump_bitmap(bm_width, bm_height, bm);
|
||||
}
|
||||
#endif
|
||||
} else {
|
||||
glBitmap (0, 0, 0.0, 0.0, dx, dy, NULL);
|
||||
}
|
||||
glEndList ();
|
||||
}
|
||||
}
|
||||
else {
|
||||
glBitmap(0, 0, 0.0, 0.0, dx, dy, NULL);
|
||||
}
|
||||
glEndList();
|
||||
}
|
||||
|
||||
Xfree(bm);
|
||||
XFreeFontInfo( NULL, fs, 1 );
|
||||
XFreeGC (dpy, gc);
|
||||
Xfree(bm);
|
||||
XFreeFontInfo(NULL, fs, 1);
|
||||
XFreeGC(dpy, gc);
|
||||
|
||||
/* Restore saved packing modes. */
|
||||
glPixelStorei(GL_UNPACK_SWAP_BYTES, swapbytes);
|
||||
glPixelStorei(GL_UNPACK_LSB_FIRST, lsbfirst);
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, rowlength);
|
||||
glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows);
|
||||
glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels);
|
||||
glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);
|
||||
/* Restore saved packing modes. */
|
||||
glPixelStorei(GL_UNPACK_SWAP_BYTES, swapbytes);
|
||||
glPixelStorei(GL_UNPACK_LSB_FIRST, lsbfirst);
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, rowlength);
|
||||
glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows);
|
||||
glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels);
|
||||
glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue