Files
sdl_template/src/window/colour/colour32.h
2025-03-21 17:35:54 +01:00

43 lines
1.3 KiB
C

#pragma once
#include <stdint.h>
#include "SDL_render.h"
// stores colour in a rgba format, each channel being a 8 bits wide.
typedef union {
uint32_t packed;
struct {
uint8_t a;
uint8_t b;
uint8_t g;
uint8_t r;
};
} colour32;
#define COLOUR32_BLACK ((colour32){0x000000FF})
#define COLOUR32_RED ((colour32){0xFF0000FF})
#define COLOUR32_YELLOW ((colour32){0xFFFF00FF})
#define COLOUR32_ORANGE ((colour32){0xFF6D00FF})
#define COLOUR32_GREEN ((colour32){0x00FF00FF})
#define COLOUR32_CYAN ((colour32){0x00FFFFFF})
#define COLOUR32_BLUE ((colour32){0x0000FFFF})
#define COLOUR32_MAGENTA ((colour32){0xFF00FFFF})
#define COLOUR32_WHITE ((colour32){0xFFFFFFFF})
// sets the render colour to a colour32 value
static inline void set_colour32(SDL_Renderer* const renderer, colour32 const c) {
(void)SDL_SetRenderDrawColor(renderer, c.r, c.g, c.b, c.a);
}
// american macros:
#define color32 colour32
#define COLOR32_BLACK COLOUR32_BLACK
#define COLOR32_RED COLOUR32_RED
#define COLOR32_YELLOW COLOUR32_YELLOW
#define COLOR32_ORANGE COLOUR32_ORANGE
#define COLOR32_GREEN COLOUR32_GREEN
#define COLOR32_CYAN COLOUR32_CYAN
#define COLOR32_BLUE COLOUR32_BLUE
#define COLOR32_MAGENTA COLOUR32_MAGENTA
#define COLOR32_WHITE COLOUR32_WHITE