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/* |
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* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com> |
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* See LICENSE file for license details. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <locale.h> |
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unsigned int |
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textwidth_l(BlitzFont *font, char *text, unsigned int len) |
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{ |
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if(font->set) { |
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XRectangle r; |
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XmbTextExtents(font->set, text, len, nil, &r); |
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return r.width; |
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} |
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return XTextWidth(font->xfont, text, len); |
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} |
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unsigned int |
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textwidth(BlitzFont *font, char *text) |
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{ |
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return blitz_textwidth_l(font, text, strlen(text)); |
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} |
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void |
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loadfont(Blitz *blitz, BlitzFont *font) |
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{ |
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char *fontname = font->fontstr; |
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char **missing = nil, *def = "?"; |
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int n; |
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setlocale(LC_ALL, ""); |
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if(font->set) |
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XFreeFontSet(blitz->dpy, font->set); |
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font->set = XCreateFontSet(blitz->dpy, fontname, &missing, &n, &def); |
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if(missing) { |
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while(n--) |
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fprintf(stderr, "liblitz: missing fontset: %s\n", missing[n]); |
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XFreeStringList(missing); |
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if(font->set) { |
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XFreeFontSet(blitz->dpy, font->set); |
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font->set = nil; |
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} |
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} |
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if(font->set) { |
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XFontSetExtents *font_extents; |
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XFontStruct **xfonts; |
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char **font_names; |
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unsigned int i; |
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font->ascent = font->descent = 0; |
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font_extents = XExtentsOfFontSet(font->set); |
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n = XFontsOfFontSet(font->set, &xfonts, &font_names); |
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for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) { |
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if(font->ascent < (*xfonts)->ascent) |
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font->ascent = (*xfonts)->ascent; |
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if(font->descent < (*xfonts)->descent) |
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font->descent = (*xfonts)->descent; |
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xfonts++; |
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} |
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} |
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else { |
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if(font->xfont) |
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XFreeFont(blitz->dpy, font->xfont); |
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font->xfont = nil; |
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font->xfont = XLoadQueryFont(blitz->dpy, fontname); |
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if (!font->xfont) { |
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fontname = "fixed"; |
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font->xfont = XLoadQueryFont(blitz->dpy, fontname); |
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} |
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if (!font->xfont) { |
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fprintf(stderr, "%s", "liblitz: error, cannot load 'fixed' font\n"); |
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exit(1); |
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} |
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font->ascent = font->xfont->ascent; |
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font->descent = font->xfont->descent; |
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} |
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} |