src/graphics/font.c

   1 /************************************************************************
   2 * font.c
   3 * voxelands - 3d voxel world sandbox game
   4 * Copyright (C) Lisa 'darkrose' Milne 2016 <lisa@ltmnet.com>
   5 *
   6 * This program is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14 * See the GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program.  If not, see <http://www.gnu.org/licenses/>
  18 ************************************************************************/
  19
  20 #include "common.h"
  21 #include "path.h"
  22 #define _WM_EXPOSE_ALL
  23 #include "wm.h"
  24 #include "graphics.h"
  25 #include "array.h"
  26
  27 #include <string.h>
  28
  29 array_t *fonts = NULL;
  30
  31 /* load a font file */
  32 int font_load(char* file, char* token)
  33 {
  34         char* t;
  35         font_t *f;
  36         int r = 1;
  37         if (!fonts)
  38                 fonts = array_create(ARRAY_TYPE_PTR);
  39
  40         if (!file || !token)
  41                 return 0;
  42
  43         t = strrchr(file,'.');
  44         if (!t)
  45                 return 0;
  46
  47         f = malloc(sizeof(font_t));
  48         f->token = strdup(token);
  49
  50         t++;
  51
  52         if (!strcmp(t,"ttf")) {
  53                 r = font_load_ttf(f,file);
  54         }else{
  55                 vlprintf(CN_ERROR, "Unsupported Font: %s",file);
  56         }
  57
  58         if (r) {
  59                 free(f->token);
  60                 free(f);
  61                 return 0;
  62         }
  63
  64         array_push_ptr(fonts,f);
  65
  66         return fonts->length;
  67 }
  68
  69 /* get a font by id */
  70 font_t *font_get(int id)
  71 {
  72         font_t *f;
  73         if (!fonts)
  74                 font_load("font.ttf","default");
  75         if (!fonts)
  76                 return NULL;
  77
  78         if (id == UI_DEFAULT)
  79                 id = 1;
  80
  81         f = array_get_ptr(fonts,id-1);
  82         if (!f)
  83                 f = array_get_ptr(fonts,0);
  84
  85         return f;
  86 }
  87
  88 /* get a font by token */
  89 font_t *font_find(char* token)
  90 {
  91         int i;
  92         font_t **f;
  93         if (!fonts)
  94                 font_load("font.ttf","default");
  95         if (!fonts)
  96                 return NULL;
  97
  98         f = fonts->data;
  99         for (i=0; i<fonts->length; i++) {
 100                 if (!strcmp(f[i]->token,token))
 101                         return f[i];
 102         }
 103
 104         return array_get_ptr(fonts,0);
 105 }
 106
 107 /* get the id of a font */
 108 int font_get_id(char* token)
 109 {
 110         int i;
 111         font_t **f;
 112         if (!fonts)
 113                 font_load("font.ttf","default");
 114         if (!fonts)
 115                 return 0;
 116
 117         f = fonts->data;
 118         for (i=0; i<fonts->length; i++) {
 119                 if (!strcmp(f[i]->token,token))
 120                         return i+1;
 121         }
 122
 123         if (!strcmp(token,"default"))
 124                 return 1;
 125
 126         return 0;
 127 }