twr_gfx.h

#ifndef _TWR_GFX_H
#define _TWR_GFX_H
 
#include <twr_common.h>
#include <twr_font_common.h>
 
 
 
typedef struct
{
    int width;
    int height;
 
} twr_gfx_caps_t;
 
 
typedef struct
{
    bool (*is_ready)(void *self);
 
    void (*clear)(void *self);
 
    void (*draw_pixel)(void *self, int left, int top, uint32_t color);
 
    uint32_t (*get_pixel)(void *self, int left, int top);
 
    bool (*update)(void *self);
 
    twr_gfx_caps_t (*get_caps)(void *self);
 
} twr_gfx_driver_t;
 
 
typedef enum
{
    TWR_GFX_ROTATION_0   = 0,
 
    TWR_GFX_ROTATION_90  = 1,
 
    TWR_GFX_ROTATION_180 = 2,
 
    TWR_GFX_ROTATION_270 = 3
 
} twr_gfx_rotation_t;
 
typedef enum
{
    TWR_GFX_ROUND_CORNER_RIGHT_TOP =    0x01,
 
    TWR_GFX_ROUND_CORNER_RIGHT_BOTTOM = 0x02,
 
    TWR_GFX_ROUND_CORNER_LEFT_BOTTOM = 0x04,
 
    TWR_GFX_ROUND_CORNER_LEFT_TOP = 0x08
 
} twr_gfx_round_corner_t;
 
 
typedef struct
{
    void *_display;
    const twr_gfx_driver_t *_driver;
    twr_gfx_rotation_t _rotation;
    const twr_font_t *_font;
    twr_gfx_caps_t _caps;
 
} twr_gfx_t;
 
 
void twr_gfx_init(twr_gfx_t *self, void *display, const twr_gfx_driver_t *driver);
 
 
bool twr_gfx_display_is_ready(twr_gfx_t *self);
 
 
twr_gfx_caps_t twr_gfx_get_caps(twr_gfx_t *self);
 
 
void twr_gfx_clear(twr_gfx_t *self);
 
 
void twr_gfx_set_font(twr_gfx_t *self, const twr_font_t *font);
 
 
void twr_gfx_set_rotation(twr_gfx_t *self, twr_gfx_rotation_t rotation);
 
 
twr_gfx_rotation_t twr_gfx_get_rotation(twr_gfx_t *self);
 
 
void twr_gfx_draw_pixel(twr_gfx_t *self, int x, int y, uint32_t color);
 
 
int twr_gfx_draw_char(twr_gfx_t *self, int left, int top, uint8_t ch, uint32_t color);
 
 
int twr_gfx_calc_char_width(twr_gfx_t *self, uint8_t ch);
 
 
int twr_gfx_draw_string(twr_gfx_t *self, int left, int top, char *str, uint32_t color);
 
 
int twr_gfx_calc_string_width(twr_gfx_t *self,  char *str);
 
 
int twr_gfx_printf(twr_gfx_t *self, int left, int top, uint32_t color, char *format, ...);
 
 
void twr_gfx_draw_line(twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color);
 
 
void twr_gfx_draw_rectangle(twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color);
 
 
void twr_gfx_draw_fill_rectangle(twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color);
 
 
void twr_gfx_draw_fill_rectangle_dithering(twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color);
 
void twr_gfx_draw_fill_rectangle_dithering_color(twr_gfx_t *self, int x0, int y0, int x1, int y1, uint16_t pattern, uint32_t color_fg, uint32_t color_bg);
 
 
void twr_gfx_draw_circle(twr_gfx_t *self, int x0, int y0, int radius, uint32_t color);
 
 
void twr_gfx_draw_fill_circle(twr_gfx_t *self, int x0, int y0, int radius, uint32_t color);
 
 
void twr_gfx_draw_round_corner(twr_gfx_t *self, int x0, int y0, int radius, twr_gfx_round_corner_t corner, uint32_t color);
 
 
void twr_gfx_draw_fill_round_corner(twr_gfx_t *self, int x0, int y0, int radius, twr_gfx_round_corner_t corner, uint32_t color);
 
 
bool twr_gfx_update(twr_gfx_t *self);
 
 
#endif // _TWR_GFX_H