graphics/font.h

   1
   2 #ifndef _FONT_H
   3 #define _FONT_H
   4
   5 // I don't want to needlessly include <SDL_ttf.h> in every file that
   6 // includes this one so this forward declaration makes those modules
   7 // that don't what a TTF_Font is shut up about InitChars(); however
   8 // technically TTF_Font is a typedef, so if the including file knows
   9 // the real declaration, it would bawk at this.
  10 #ifndef SDL_TTF_VERSION
  11         struct TTF_Font;
  12 #endif
  13
  14 #define NUM_FONT_LETTERS                256
  15 #define NUM_LETTERS_RENDERED    128
  16 #define FONT_DEFAULT_SPACING    5
  17
  18 class NXFont
  19 {
  20 public:
  21         NXFont();
  22         ~NXFont();
  23
  24         bool InitChars(TTF_Font *font, uint32_t color);
  25         bool InitCharsShadowed(TTF_Font *top, uint32_t color, uint32_t shadowcolor);
  26
  27         bool InitBitmapChars(SDL_Surface *sheet, uint32_t fgcolor, uint32_t color);
  28         bool InitBitmapCharsShadowed(SDL_Surface *sheet, uint32_t fgcolor, uint32_t color, uint32_t shadowcolor);
  29
  30         void free();
  31
  32         SDL_Surface *letters[NUM_FONT_LETTERS];
  33
  34 private:
  35         void ReplaceColor(SDL_Surface *sfc, uint32_t oldcolor, uint32_t newcolor);
  36 };
  37
  38
  39 extern NXFont whitefont;
  40 extern NXFont greenfont;
  41 extern NXFont bluefont;         // used for "F3:Options" text on pause screen
  42 extern NXFont shadowfont;       // white letters w/ drop shadow
  43
  44 int font_draw(int x, int y, const char *text, int spacing=0, NXFont *font=&whitefont);
  45 int font_draw_shaded(int x, int y, const char *text, int spacing=0, NXFont *font=&whitefont);
  46
  47 int GetFontWidth(const char *text, int spacing=0, bool is_shaded=false);
  48 int GetFontHeight();
  49
  50 #endif