ra8_gfx.h

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#pragma once
 
#include <stdint.h>
 
#include "ra8_err.h"
#include "ra8_gfx_font.h"

typedef enum : uint8_t {
  k_ra8_gfx_format_rgb565   = 2, 
  k_ra8_gfx_format_rgb888   = 3, 
  k_ra8_gfx_format_argb8888 = 4, 
} ra8_gfx_format_t;

typedef enum : uint16_t {
  k_ra8_gfx_min_dim = 1,    
  k_ra8_gfx_max_dim = 4096, 
} ra8_gfx_dim_limits_t;

[[nodiscard]] ra8_err_t
ra8_gfx_init(void* fb, uint16_t width, uint16_t height, ra8_gfx_format_t format);

[[nodiscard]] ra8_err_t ra8_gfx_clear(uint32_t color);

[[nodiscard]] ra8_err_t ra8_gfx_set_clip(int32_t x, int32_t y, int32_t w, int32_t h);

[[nodiscard]] ra8_err_t ra8_gfx_reset_clip(void);

[[nodiscard]] ra8_err_t ra8_gfx_pixel(int32_t x, int32_t y, uint32_t color);

[[nodiscard]] ra8_err_t
ra8_gfx_blit_gray8(const uint8_t* src, int32_t w, int32_t h, int32_t dst_x, int32_t dst_y);

[[nodiscard]] ra8_err_t ra8_gfx_blit_gray4_zoom(const uint8_t* src,
                                                int32_t        src_w,
                                                int32_t        src_h,
                                                int32_t        sx,
                                                int32_t        sy,
                                                int32_t        sw,
                                                int32_t        sh,
                                                int32_t        zoom,
                                                int32_t        dst_x,
                                                int32_t        dst_y);

[[nodiscard]] ra8_err_t
ra8_gfx_line(int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t color);

[[nodiscard]] ra8_err_t
ra8_gfx_rect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color, bool filled);

[[nodiscard]] ra8_err_t
ra8_gfx_circle(int32_t cx, int32_t cy, int32_t r, uint32_t color, bool filled);

[[nodiscard]] ra8_err_t ra8_gfx_text_out(int32_t               x,
                                         int32_t               y,
                                         const char*           str,
                                         const ra8_gfx_font_t* font,
                                         uint32_t              fg_color,
                                         uint32_t              bg_color);

[[nodiscard]] ra8_err_t
ra8_gfx_text_size(const char* str, const ra8_gfx_font_t* font, uint32_t* out_w, uint32_t* out_h);

[[nodiscard]] ra8_err_t ra8_gfx_blit(const void*      src_buf,
                                     uint16_t         src_w,
                                     uint16_t         src_h,
                                     ra8_gfx_format_t src_format,
                                     int32_t          dst_x,
                                     int32_t          dst_y);