rdpq_font.h

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#ifndef LIBDRAGON_RDPQ_FONT_H
#define LIBDRAGON_RDPQ_FONT_H
 
#include "graphics.h"
#include "debug.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct rdpq_font_s rdpq_font_t;
typedef struct rdpq_paragraph_char_s rdpq_paragraph_char_t;
rdpq_font_t* __rdpq_font_load_builtin_1(void);
rdpq_font_t* __rdpq_font_load_builtin_2(void);
 
typedef struct {
    float xadvance;         
    int8_t x0;              
    int8_t y0;              
    int8_t x1;              
    int8_t y1;              
} rdpq_font_gmetrics_t;
 
rdpq_font_t* rdpq_font_load(const char *fn);
 
rdpq_font_t* rdpq_font_load_buf(void *buf, int sz);
 
typedef enum {
    FONT_BUILTIN_DEBUG_MONO = 1,
 
    FONT_BUILTIN_DEBUG_VAR = 2,
} rdpq_font_builtin_t;
 
inline rdpq_font_t* rdpq_font_load_builtin(rdpq_font_builtin_t font) {
    switch (font) {
        case FONT_BUILTIN_DEBUG_MONO:
            return __rdpq_font_load_builtin_1();
        case FONT_BUILTIN_DEBUG_VAR:
            return __rdpq_font_load_builtin_2();
        default:
            assertf(false, "Invalid builtin font");
            return NULL;
    }
}
 
void rdpq_font_free(rdpq_font_t *fnt);
 
typedef struct rdpq_fontstyle_s {
    color_t color;                  
    color_t outline_color;          
    void (*custom)(void* arg);      
    void *custom_arg;               
} rdpq_fontstyle_t;
 
void rdpq_font_style(rdpq_font_t *font, uint8_t style_id, const rdpq_fontstyle_t *style);
 
int rdpq_font_render_paragraph(const rdpq_font_t *fnt, const rdpq_paragraph_char_t *chars, float x0, float y0);
 
bool rdpq_font_get_glyph_ranges(const rdpq_font_t *fnt, int idx, uint32_t *start, uint32_t *end, bool *sparse);
 
int rdpq_font_get_glyph_index(const rdpq_font_t *fnt, uint32_t codepoint);
 
bool rdpq_font_get_glyph_metrics(const rdpq_font_t *fnt, uint32_t codepoint, rdpq_font_gmetrics_t *metrics);
 
 
#ifdef __cplusplus
}
#endif
 
#endif