rdpq_text.h

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#ifndef LIBDRAGON_RDPQ_TEXT_H
#define LIBDRAGON_RDPQ_TEXT_H
 
#include <stdint.h>
#include <stdbool.h>
#include <stdarg.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct rdpq_font_s;
typedef struct rdpq_font_s rdpq_font_t;
 
typedef enum {
    WRAP_NONE = 0,         
    WRAP_ELLIPSES = 1,     
    WRAP_CHAR = 2,         
    WRAP_WORD = 3,         
} rdpq_textwrap_t;
 
typedef enum {
    ALIGN_LEFT = 0,         
    ALIGN_CENTER = 1,       
    ALIGN_RIGHT = 2,        
} rdpq_align_t;
 
typedef enum {
    VALIGN_TOP = 0,         
    VALIGN_CENTER = 1,      
    VALIGN_BOTTOM = 2,      
} rdpq_valign_t;
 
typedef struct rdpq_textparms_s {
    int16_t style_id;        
    int16_t width;           
    int16_t height;          
    rdpq_align_t align;      
    rdpq_valign_t valign;    
    int16_t indent;          
    int16_t max_chars;       
    int16_t char_spacing;    
    int16_t line_spacing;    
    rdpq_textwrap_t wrap;    
    int16_t *tabstops;       
    bool disable_aa_fix;     
    bool preserve_overlap;   
} rdpq_textparms_t;
 
typedef struct rdpq_textmetrics_t {
    float advance_x;                
    float advance_y;                
    int utf8_text_advance;          
    int nlines;                     
} rdpq_textmetrics_t;
 
void rdpq_text_register_font(uint8_t font_id, const rdpq_font_t *font);
 
void rdpq_text_unregister_font(uint8_t font_id);
 
const rdpq_font_t *rdpq_text_get_font(uint8_t font_id);
 
rdpq_textmetrics_t rdpq_text_printn(const rdpq_textparms_t *parms, uint8_t font_id, float x0, float y0, 
    const char *utf8_text, int nbytes);
 
__attribute__((format(printf, 5, 6)))
rdpq_textmetrics_t rdpq_text_printf(const rdpq_textparms_t *parms, uint8_t font_id, float x0, float y0, 
    const char *utf8_fmt, ...);
 
 
rdpq_textmetrics_t rdpq_text_vprintf(const rdpq_textparms_t *parms, uint8_t font_id, float x0, float y0, 
    const char *utf8_fmt, va_list va);
 
inline rdpq_textmetrics_t rdpq_text_print(const rdpq_textparms_t *parms, uint8_t font_id, float x0, float y0, 
    const char *utf8_text)
{
    return rdpq_text_printn(parms, font_id, x0, y0, utf8_text, strlen(utf8_text));
}
 
#ifdef __cplusplus
}
#endif
 
#endif