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