26 lines
1.2 KiB
C
26 lines
1.2 KiB
C
#pragma once
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#include <stdint.h>
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static const uint8_t VGA_GRAY_LUT[256] = {
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16, 17, 23, 24, 20, 21, 23, 27, 22, 23, 28, 29, 25, 27, 30, 31,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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18, 19, 21, 22, 23, 23, 23, 22, 22, 24, 26, 28, 30, 29, 28, 27,
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26, 27, 27, 27, 28, 26, 23, 21, 26, 26, 27, 27, 28, 28, 27, 27,
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27, 28, 29, 30, 30, 30, 30, 29, 29, 29, 29, 29, 30, 29, 28, 27,
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28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 31, 30, 30, 30,
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30, 30, 30, 30, 30, 30, 29, 29, 17, 17, 18, 18, 19, 19, 19, 18,
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18, 19, 21, 22, 23, 23, 22, 21, 21, 21, 21, 22, 22, 21, 19, 18,
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20, 21, 21, 21, 22, 22, 22, 21, 21, 22, 23, 23, 24, 23, 23, 23,
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22, 23, 23, 23, 23, 22, 22, 21, 22, 22, 22, 23, 23, 23, 23, 23,
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23, 23, 23, 23, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22,
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16, 17, 17, 17, 18, 17, 17, 17, 17, 18, 18, 19, 20, 20, 19, 19,
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18, 19, 19, 19, 19, 18, 17, 17, 18, 18, 19, 19, 19, 19, 19, 19,
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19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19,
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19, 19, 19, 20, 20, 20, 20, 20, 19, 20, 20, 20, 21, 20, 20, 20,
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20, 20, 20, 20, 20, 20, 20, 19, 16, 16, 16, 16, 16, 16, 16, 16,
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};
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static inline uint8_t vga_to_gray(uint8_t color){
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return VGA_GRAY_LUT[color];
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} |