53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/* See LICENSE file for copyright and license details. */
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char sixd_to_8bit(int x) {
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return x == 0 ? 0 : 0x37 + 0x28 * x;
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}
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void init_appearance(void) {
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int i = 0;
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char cbuf[8];
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for (i = 0; i < LENGTH(textcolors) && i < LENGTH(txtcols); i++) {
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txtcols[i] = textcolors[i];
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}
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if (i == 0) {
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txtcols[i] = "#000000";
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}
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for (; i < 7; i++) {
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snprintf(cbuf, sizeof(cbuf), "#%02x%02x%02x",
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!!(i & 1) * 0x7f,
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!!(i & 2) * 0x7f,
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!!(i & 4) * 0x7f);
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txtcols[i] = cbuf;
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}
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if (i == 7) {
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txtcols[i] = "#000000";
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}
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if (i == 8) {
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txtcols[i] = "#333333";
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}
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for (; i < 16; i++) {
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snprintf(cbuf, sizeof(cbuf), "#%02x%02x%02x",
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!!(i & 1) * 0xff,
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!!(i & 2) * 0xff,
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!!(i & 4) * 0xff);
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txtcols[i] = cbuf;
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}
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for (; i < 6 * 6 * 6 + 16; i++) {
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snprintf(cbuf, sizeof(cbuf), "#%02x%02x%02x",
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sixd_to_8bit(((i - 16) / 36) % 6),
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sixd_to_8bit(((i - 16) / 6) % 6),
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sixd_to_8bit(((i - 16)) % 6));
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txtcols[i] = cbuf;
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}
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for (; i < 256; i++) {
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snprintf(cbuf, sizeof(cbuf), "#%02x%02x%02x",
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0x08 + (i - 6 * 6 * 6 - 16) * 0x0a,
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0x08 + (i - 6 * 6 * 6 - 16) * 0x0a,
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0x08 + (i - 6 * 6 * 6 - 16) * 0x0a);
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txtcols[i] = cbuf;
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}
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}
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