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1 /* |
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2 * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com> |
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3 * See LICENSE file for license details. |
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4 */ |
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5 |
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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <locale.h> |
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10 |
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11 unsigned int |
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12 textwidth_l(BlitzFont *font, char *text, unsigned int len) |
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13 { |
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14 if(font->set) { |
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15 XRectangle r; |
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16 XmbTextExtents(font->set, text, len, nil, &r); |
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17 return r.width; |
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18 } |
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19 return XTextWidth(font->xfont, text, len); |
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20 } |
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21 |
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22 unsigned int |
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23 textwidth(BlitzFont *font, char *text) |
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24 { |
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25 return blitz_textwidth_l(font, text, strlen(text)); |
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26 } |
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27 |
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28 void |
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29 loadfont(Blitz *blitz, BlitzFont *font) |
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30 { |
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31 char *fontname = font->fontstr; |
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32 char **missing = nil, *def = "?"; |
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33 int n; |
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34 |
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35 setlocale(LC_ALL, ""); |
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36 if(font->set) |
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37 XFreeFontSet(blitz->dpy, font->set); |
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38 font->set = XCreateFontSet(blitz->dpy, fontname, &missing, &n, &def); |
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39 if(missing) { |
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40 while(n--) |
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41 fprintf(stderr, "liblitz: missing fontset: %s\n", missing[n]); |
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42 XFreeStringList(missing); |
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43 if(font->set) { |
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44 XFreeFontSet(blitz->dpy, font->set); |
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45 font->set = nil; |
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46 } |
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47 } |
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48 if(font->set) { |
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49 XFontSetExtents *font_extents; |
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50 XFontStruct **xfonts; |
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51 char **font_names; |
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52 unsigned int i; |
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53 |
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54 font->ascent = font->descent = 0; |
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55 font_extents = XExtentsOfFontSet(font->set); |
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56 n = XFontsOfFontSet(font->set, &xfonts, &font_names); |
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57 for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) { |
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58 if(font->ascent < (*xfonts)->ascent) |
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59 font->ascent = (*xfonts)->ascent; |
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60 if(font->descent < (*xfonts)->descent) |
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61 font->descent = (*xfonts)->descent; |
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62 xfonts++; |
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63 } |
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64 } |
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65 else { |
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66 if(font->xfont) |
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67 XFreeFont(blitz->dpy, font->xfont); |
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68 font->xfont = nil; |
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69 font->xfont = XLoadQueryFont(blitz->dpy, fontname); |
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70 if (!font->xfont) { |
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71 fontname = "fixed"; |
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72 font->xfont = XLoadQueryFont(blitz->dpy, fontname); |
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73 } |
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74 if (!font->xfont) { |
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75 fprintf(stderr, "%s", "liblitz: error, cannot load 'fixed' font\n"); |
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76 exit(1); |
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77 } |
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78 font->ascent = font->xfont->ascent; |
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79 font->descent = font->xfont->descent; |
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80 } |
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81 } |