src/client/font.c

   1 #include "main.h"
   2 #include "interface.h"
   3 #include "font.h"
   4 #include "image.h"
   5 #include "fontConfig.h"
   6
   7 static TTF_Font *g_font;
   8 static int fontSize;
   9
  10 static bool_t isFontInit = FALSE;
  11
  12 bool_t font_is_inicialized()
  13 {
  14         return isFontInit;
  15 }
  16
  17 void font_init()
  18 {
  19         char *arg[] = {":lang=he:outline=true:style=Book", "family", "style", "weight", "file", NULL};
  20         char *font_file;
  21         font_config_t *font_list;
  22         int res;
  23
  24         assert(interface_is_inicialized() == TRUE);
  25
  26         res = fontconfig_init();
  27
  28         if (res != 0) {
  29                 return;
  30         }
  31
  32         font_list = fontconfig_find(arg);
  33 /*
  34         int i;
  35         for(i = 0 ; font_list[i].path != NULL ; i++ )
  36         {
  37                 printf("path[%d]=%s\nflag[%d]=%s\n\n", i, font_list[i].path, i, font_list[i].flag);
  38         }
  39 */
  40         if (font_list == NULL) {
  41                 error("Unable to locate a font");
  42                 return;
  43         }
  44
  45         font_file = strdup(font_list[0].path);
  46         fontSize = FONT_SIZE;
  47
  48         fontconfig_del_list(font_list);
  49         fontconfig_quit();
  50
  51         if (TTF_Init() == -1) {
  52                 free(font_file);
  53                 error("SDL: %s", SDL_GetError());
  54                 return;
  55         }
  56
  57         accessExistFile(font_file);
  58
  59         g_font = TTF_OpenFont(font_file, fontSize);
  60         TTF_SetFontStyle(g_font, TTF_STYLE_NORMAL);
  61
  62         debug("Loading font [%s]", font_file);
  63
  64         free(font_file);
  65         isFontInit = TRUE;
  66 }
  67
  68 /*
  69  * Shows text *string on coordinates [x,y] with RGB color
  70  */
  71 void font_draw(char *string, int x, int y, int r, int g, int b)
  72 {
  73         SDL_Surface *text;
  74         image_t *image;
  75         SDL_Color font_color = {r, g, b, SDL_ALPHA_OPAQUE};
  76
  77         assert( string != NULL );
  78
  79         text = TTF_RenderUTF8_Blended(g_font, string, font_color);
  80
  81         /* because if string=="" TTF_RenderUTF8_Blended returns NULL */
  82         if (text != NULL) {
  83                 image = image_new(text);
  84                 image_draw(image, x, y, 0, 0, image->w, image->h);
  85                 image_destroy(image);
  86         }
  87 }
  88
  89 void font_drawMaxSize(char *s, int x, int y, int w, int h, int r, int g, int b)
  90 {
  91         SDL_Rect src_rect, dst_rect;
  92         SDL_Surface *text;
  93         image_t *i;
  94         SDL_Color font_color = {r, g, b, SDL_ALPHA_OPAQUE};
  95         int my_w, my_h;
  96
  97         assert(s != NULL);
  98
  99         text = TTF_RenderUTF8_Blended(g_font, s, font_color);
 100
 101         my_w = text->w;
 102
 103         if (my_w > w) {
 104                 my_w = w;
 105         }
 106
 107         my_h = text->h;
 108
 109         if (my_w > w) {
 110                 my_h = h;
 111         }
 112
 113         src_rect.x = 0;
 114         src_rect.y = 0;
 115         src_rect.w = my_w;
 116         src_rect.h = my_h;
 117
 118         dst_rect.x = x;
 119         dst_rect.y = y;
 120
 121         i = image_new(text);
 122
 123         /* possibly broken */
 124         image_draw(i, x, y, 0, 0, my_w, my_h);
 125         image_destroy(i);
 126 }
 127
 128 /*
 129  * Returns size of the font
 130  */
 131 int font_get_size()
 132 {
 133         return fontSize;
 134 }
 135
 136 void font_text_size(char *s, int *w, int *h)
 137 {
 138         assert(s != NULL);
 139         assert(w != NULL);
 140         assert(h != NULL);
 141
 142         TTF_SizeUTF8(g_font, s, w, h);
 143 }
 144
 145 /*
 146  * Frees font from memory
 147  */
 148 void font_quit()
 149 {
 150         TTF_CloseFont(g_font);
 151         TTF_Quit();
 152
 153         debug("Unloading font");
 154
 155         isFontInit = FALSE;
 156 }