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#pragma once
#include <kogata/syscall.h>
#include <proto/fb.h>
// ---- Generic drawing functions
// ---- Data structures
typedef struct {
fb_info_t geom;
fd_t fd;
uint8_t* data;
int nrefs;
bool own_data;
} fb_t;
typedef struct font font_t;
typedef uint32_t color_t; // a color is always linked to a FB on which it is to be applied
// ---- Buffer creation
fb_t *g_fb_from_file(fd_t file, fb_info_t *geom);
fb_t *g_fb_from_mem(uint8_t* region, fb_info_t *geom, bool own_data);
void g_incref_fb(fb_t *fb);
void g_decref_fb(fb_t *fb);
// ---- Color manipulation
color_t g_color_rgb(fb_t *f, uint8_t r, uint8_t g, uint8_t b);
// ---- Drawing primitives
void g_plot(fb_t *fb, int x, int y, color_t c);
void g_hline(fb_t *fb, int x, int y, int w, color_t c); // horizontal line
void g_vline(fb_t *fb, int x, int y, int h, color_t c); // vertical line
void g_line(fb_t *fb, int x1, int y1, int x2, int y2, color_t c);
void g_rect(fb_t *fb, int x, int y, int w, int h, color_t c);
void g_fillrect(fb_t *fb, int x, int y, int w, int h, color_t c);
void g_rectregion(fb_t *fb, fb_region_t reg, color_t c);
void g_fillregion(fb_t *fb, fb_region_t reg, color_t c);
void g_circle(fb_t *fb, int cx, int cy, int r, color_t c);
void g_fillcircle(fb_t *fb, int cx, int cy, int r, color_t c);
void g_blit(fb_t *dst, int x, int y, fb_t *src);
void g_blit_region(fb_t *dst, int x, int y, fb_t *src, fb_region_t reg);
void g_scroll_up(fb_t *fb, int l);
// ---- Text manipulation
font_t *g_load_font(const char* fontname);
void g_free_font(font_t *f);
int g_text_width(font_t *f, const char* text);
int g_text_height(font_t *f, const char* text);
void g_write(fb_t *fb, int x, int y, const char* text, font_t *font, color_t c);
/* vim: set ts=4 sw=4 tw=0 noet :*/
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