99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
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#include "colors.h"
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palette_t c_palette_ansi_discord = {
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.n_colors = 8,
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.palette = {
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{ 0x4f, 0x54, 0x5c, 0 },
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{ 0xd1, 0x31, 0x35, 0 },
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{ 0x85, 0x99, 0x00, 0 },
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{ 0xb5, 0x89, 0x00, 0 },
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{ 0x26, 0x8b, 0xd2, 0 },
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{ 0xd3, 0x36, 0x82, 0 },
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{ 0xd3, 0x36, 0x82, 0 },
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{ 0xff, 0xff, 0xff, 0 },
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}
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};
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palette_t c_palette_ansi_vga = {
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.n_colors = 16,
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.palette = {
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{ 0, 0, 0, 0 },
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{ 170, 0, 0, 0 },
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{ 0, 170, 0, 0 },
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{ 170, 85, 0, 0 },
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{ 0, 0, 170, 0 },
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{ 170, 0, 170, 0 },
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{ 0, 170, 170, 0 },
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{ 170, 170, 170, 0 },
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{ 85, 85, 85, 0 },
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{ 255, 85, 85, 0 },
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{ 85, 255, 85, 0 },
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{ 255, 255, 85, 0 },
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{ 85, 85, 255, 0 },
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{ 255, 85, 255, 0 },
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{ 85, 255, 255, 0 },
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{ 255, 255, 255, 0 }
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}
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};
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palette_t c_palette_ansi_xterm = {
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.n_colors = 16,
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.palette = {
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{ 0, 0, 0, 0 },
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{ 205, 0, 0, 0 },
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{ 0, 205, 0, 0 },
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{ 205, 205, 0, 0 },
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{ 0, 0, 238, 0 },
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{ 205, 0, 205, 0 },
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{ 0, 205, 205, 0 },
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{ 229, 229, 229, 0 },
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{ 127, 127, 127, 0 },
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{ 255, 0, 0, 0 },
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{ 0, 255, 0, 0 },
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{ 255, 255, 0, 0 },
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{ 0, 0, 252, 0 },
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{ 255, 0, 255, 0 },
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{ 0, 255, 255, 0 },
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{ 255, 255, 255, 0 },
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}
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};
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int closest_color(palette_t *pal, rgba8 color)
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{
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int nearest = -1;
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int32_t min_distance = 0x0fffffff;
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for (int i = 0; i < pal->n_colors; i++)
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{
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rgba8 pal_color = pal->palette[i];
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int16_t dr = pal_color.r - color.r;
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int16_t dg = pal_color.g - color.g;
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int16_t db = pal_color.b - color.b;
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int32_t distance = dr * dr + dg * dg + db * db;
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if (distance < min_distance)
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{
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min_distance = distance;
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nearest = i;
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}
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}
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return nearest;
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}
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void load_palette_gpl(palette_t *pal, FILE *fp)
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{
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(void)pal; (void)fp;
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// TODO: load GNU palette file
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}
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void load_palette_raw(palette_t *pal, FILE *fp)
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{
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(void)pal; (void)fp;
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// TODO: load raw palette file
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}
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void load_palette(palette_t *pal, FILE *fp)
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{
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(void)pal; (void)fp;
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// TODO: guess palette file type and load it
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}
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