| DRC | 2ff39b8 | 2011-07-28 08:38:59 +0000 | [diff] [blame] | 1 | // |
| 2 | // "$Id: fl_set_font.cxx 7903 2010-11-28 21:06:39Z matt $" |
| 3 | // |
| 4 | // Font utilities for the Fast Light Tool Kit (FLTK). |
| 5 | // |
| 6 | // Copyright 1998-2010 by Bill Spitzak and others. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or |
| 9 | // modify it under the terms of the GNU Library General Public |
| 10 | // License as published by the Free Software Foundation; either |
| 11 | // version 2 of the License, or (at your option) any later version. |
| 12 | // |
| 13 | // This library is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | // Library General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU Library General Public |
| 19 | // License along with this library; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 21 | // USA. |
| 22 | // |
| 23 | // Please report all bugs and problems on the following page: |
| 24 | // |
| 25 | // http://www.fltk.org/str.php |
| 26 | // |
| 27 | |
| 28 | // Add a font to the internal table. |
| 29 | // Also see fl_set_fonts.cxx which adds all possible fonts. |
| 30 | |
| 31 | #include <FL/Fl.H> |
| 32 | #include <FL/x.H> |
| 33 | #include <FL/fl_draw.H> |
| 34 | #include "flstring.h" |
| 35 | #include "Fl_Font.H" |
| 36 | #include <stdlib.h> |
| 37 | |
| 38 | static int table_size; |
| 39 | /** |
| 40 | Changes a face. The string pointer is simply stored, |
| 41 | the string is not copied, so the string must be in static memory. |
| 42 | */ |
| 43 | void Fl::set_font(Fl_Font fnum, const char* name) { |
| 44 | while (fnum >= table_size) { |
| 45 | int i = table_size; |
| 46 | if (!i) { // don't realloc the built-in table |
| 47 | table_size = 2*FL_FREE_FONT; |
| 48 | i = FL_FREE_FONT; |
| 49 | Fl_Fontdesc* t = (Fl_Fontdesc*)malloc(table_size*sizeof(Fl_Fontdesc)); |
| 50 | memcpy(t, fl_fonts, FL_FREE_FONT*sizeof(Fl_Fontdesc)); |
| 51 | fl_fonts = t; |
| 52 | } else { |
| 53 | table_size = 2*table_size; |
| 54 | fl_fonts=(Fl_Fontdesc*)realloc(fl_fonts, table_size*sizeof(Fl_Fontdesc)); |
| 55 | } |
| 56 | for (; i < table_size; i++) { |
| 57 | fl_fonts[i].fontname[0] = 0; |
| 58 | fl_fonts[i].name = 0; |
| 59 | #if !defined(WIN32) && !defined(__APPLE__) |
| 60 | fl_fonts[i].xlist = 0; |
| 61 | fl_fonts[i].n = 0; |
| 62 | #endif // !WIN32 && !__APPLE__ |
| 63 | } |
| 64 | } |
| 65 | Fl_Fontdesc* s = fl_fonts+fnum; |
| 66 | if (s->name) { |
| 67 | if (!strcmp(s->name, name)) {s->name = name; return;} |
| 68 | #if !defined(WIN32) && !defined(__APPLE__) |
| 69 | if (s->xlist && s->n >= 0) XFreeFontNames(s->xlist); |
| 70 | #endif |
| 71 | for (Fl_Font_Descriptor* f = s->first; f;) { |
| 72 | Fl_Font_Descriptor* n = f->next; delete f; f = n; |
| 73 | } |
| 74 | s->first = 0; |
| 75 | } |
| 76 | s->name = name; |
| 77 | s->fontname[0] = 0; |
| 78 | #if !defined(WIN32) && !defined(__APPLE__) |
| 79 | s->xlist = 0; |
| 80 | #endif |
| 81 | s->first = 0; |
| 82 | fl_font(-1, 0); |
| 83 | } |
| 84 | /** Copies one face to another. */ |
| 85 | void Fl::set_font(Fl_Font fnum, Fl_Font from) { |
| 86 | Fl::set_font(fnum, get_font(from)); |
| 87 | } |
| 88 | /** |
| 89 | Gets the string for this face. This string is different for each |
| 90 | face. Under X this value is passed to XListFonts to get all the sizes |
| 91 | of this face. |
| 92 | */ |
| 93 | const char* Fl::get_font(Fl_Font fnum) {return fl_fonts[fnum].name;} |
| 94 | |
| 95 | // |
| 96 | // End of "$Id: fl_set_font.cxx 7903 2010-11-28 21:06:39Z matt $". |
| 97 | // |