include/gfx/gfx.h

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#ifndef GFX_H_INCLUDED
#define GFX_H_INCLUDED

#include <assert.h>
#include <hugemem.h>
#include <progmem.h>

#ifdef CONFIG_GFX_HX8347A
# include <gfx/gfx_hx8347a.h>
# include <gfx/gfx_generic.h>
#endif







#define GFX_OCTANT0 (1 << 0)

#define GFX_OCTANT1 (1 << 1)

#define GFX_OCTANT2 (1 << 2)

#define GFX_OCTANT3 (1 << 3)

#define GFX_OCTANT4 (1 << 4)

#define GFX_OCTANT5 (1 << 5)

#define GFX_OCTANT6 (1 << 6)

#define GFX_OCTANT7 (1 << 7)

#define GFX_QUADRANT0 (GFX_OCTANT0 | GFX_OCTANT1)

#define GFX_QUADRANT1 (GFX_OCTANT2 | GFX_OCTANT3)

#define GFX_QUADRANT2 (GFX_OCTANT4 | GFX_OCTANT5)

#define GFX_QUADRANT3 (GFX_OCTANT6 | GFX_OCTANT7)

#define GFX_LEFTHALF (GFX_QUADRANT3 | GFX_QUADRANT0)

#define GFX_TOPHALF (GFX_QUADRANT0 | GFX_QUADRANT1)

#define GFX_RIGHTHALF (GFX_QUADRANT1 | GFX_QUADRANT2)

#define GFX_BOTTOMHALF (GFX_QUADRANT2 | GFX_QUADRANT3)

#define GFX_WHOLE 0xFF




#define GFX_FLIP_X 1

#define GFX_FLIP_Y 2

#define GFX_SWITCH_XY 4



#if defined(CONFIG_GFX_USE_CLIPPING) || defined(__DOXYGEN__)
extern gfx_coord_t gfx_min_x;   
extern gfx_coord_t gfx_min_y;   
extern gfx_coord_t gfx_max_x;   
extern gfx_coord_t gfx_max_y;   
#endif

extern gfx_coord_t gfx_width;  
extern gfx_coord_t gfx_height; 


enum font_data_type{
        FONT_LOC_PROGMEM,
        FONT_LOC_HUGEMEM,
};

struct font {
        enum font_data_type type;
        union {
                hugemem_ptr_t                   hugemem;
                const uint8_t __progmem_arg     *progmem;
        } data;
        uint8_t width;
        uint8_t height;
        uint8_t scale;
        uint8_t first_char;
        uint8_t last_char;
};

static inline uint_fast8_t gfx_font_get_height(struct font *font)
{
        return (font->height * font->scale);
}

static inline uint_fast8_t gfx_font_get_width(struct font *font)
{
        return (font->width * font->scale);
}


enum gfx_bitmap_type {
        BITMAP_SOLID,
        BITMAP_RAM,
        BITMAP_PROGMEM,
#ifdef CONFIG_HUGEMEM

        BITMAP_HUGEMEM,
#endif
};

struct gfx_bitmap {
        gfx_coord_t                            width;
        gfx_coord_t                            height;
        enum gfx_bitmap_type                   type;
        union {
                gfx_color_t                        color;
                gfx_color_t                       *pixmap;
                const gfx_color_t __progmem_arg   *progmem;
#ifdef CONFIG_HUGEMEM

                hugemem_ptr_t                      hugemem;
#endif
        }                                      data;
};

void gfx_draw_bitmap(const struct gfx_bitmap *bmp, gfx_coord_t x,
                gfx_coord_t y);

void gfx_draw_bitmap_tiled(const struct gfx_bitmap *bmp, gfx_coord_t x1,
                gfx_coord_t y1, gfx_coord_t x2, gfx_coord_t y2,
                gfx_coord_t tile_origin_x, gfx_coord_t tile_origin_y);

void gfx_put_bitmap(const struct gfx_bitmap *bmp, gfx_coord_t map_x,
                gfx_coord_t map_y, gfx_coord_t x, gfx_coord_t y, gfx_coord_t width,
                gfx_coord_t height);





void gfx_init(void);

void gfx_sync(void);




void gfx_set_orientation(uint8_t flags);

gfx_coord_t gfx_get_width(void);

gfx_coord_t gfx_get_height(void);


void gfx_set_clipping(gfx_coord_t min_x, gfx_coord_t min_y,
                gfx_coord_t max_x, gfx_coord_t max_y);

void gfx_set_top_left_limit(gfx_coord_t x, gfx_coord_t y);

void gfx_set_bottom_right_limit(gfx_coord_t x, gfx_coord_t y);

void gfx_set_limits(gfx_coord_t x1, gfx_coord_t y1,
                gfx_coord_t x2, gfx_coord_t y2);




gfx_color_t gfx_color(uint8_t r, uint8_t g, uint8_t b);

void gfx_draw_pixel(gfx_coord_t x, gfx_coord_t y, gfx_color_t color);

void gfx_draw_line_pixel(gfx_coord_t x, gfx_coord_t y, gfx_color_t color);

gfx_color_t gfx_get_pixel(gfx_coord_t x, gfx_coord_t y);

void gfx_duplicate_pixel(gfx_color_t color, uint32_t count);

void gfx_copy_pixels_to_screen(const gfx_color_t *pixels, uint32_t count);

void gfx_copy_progmem_pixels_to_screen(const gfx_color_t __progmem_arg *pixels,
                uint32_t count);

void gfx_copy_hugemem_pixels_to_screen(const hugemem_ptr_t pixels,
                uint32_t count);

void gfx_copy_pixels_from_screen(gfx_color_t *pixels, uint32_t count);




void gfx_draw_char(char c, gfx_coord_t x, gfx_coord_t y, struct font* font,
                gfx_color_t color, gfx_color_t background_color);

void gfx_draw_string(char* str, gfx_coord_t x, gfx_coord_t y, struct font* font,
                gfx_color_t color, gfx_color_t background_color);

void gfx_draw_progmem_string(const char __progmem_arg *str, gfx_coord_t x,
                gfx_coord_t y, struct font *font, gfx_color_t color,
                gfx_color_t background_color);

void gfx_get_string_bounding_box(char const *str, struct font* font,
                gfx_coord_t *width, gfx_coord_t *height);

void gfx_get_progmem_string_bounding_box(const char __progmem_arg *str,
                struct font *font, gfx_coord_t *width, gfx_coord_t *height);



#endif /* GFX_H_INCLUDED */

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