fxengine/src/render/bitmap.c

#include <bitmap.h>

inline uint8_t bitmap_get_color_8(const bitmap_rich_8 * bmp, uint32_t x, uint32_t y)
{
	if (x >= bmp->size_px_x || y >= bmp->size_px_y)
	const uint32_t indice = y * bmp.size_o_y + x >> 3;
	const uint32_t numero_bit = 7 - x % 8;

	return  ( bmp.layout[indice] | 1 << numero_bit ) << 1 + ( bmp.color[indice] | 1 << numero_bit );
}

inline uint8_t bitmap_get_color_16(const bitmap_rich_16 * bmp, uint32_t x, uint32_t y)
{
	if (x >= bmp->size_px_x || y >= bmp->size_px_y)
	const uint32_t indice = y * bmp.size_o_y + x >> 4;
	const uint32_t numero_bit = 15 - x % 16;

	return  ( bmp.layout[indice] | 1 << numero_bit ) << 1 + ( bmp.color[indice] | 1 << numero_bit );
}

inline uint8_t bitmap_get_color_32(const bitmap_rich_32 * bmp, uint32_t x, uint32_t y)
{
	if (x >= bmp->size_px_x || y >= bmp->size_px_y)
	const uint32_t indice = y * bmp.size_o_y + x >> 5;
	const uint32_t numero_bit = 31 - x % 32;

	return  ( bmp.layout[indice] | 1 << numero_bit ) << 1 + ( bmp.color[indice] | 1 << numero_bit );
}