mirror of
https://github.com/bakkeby/dwm-flexipatch
synced 2024-11-09 01:10:26 +00:00
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
void
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get_vt_colors(void)
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{
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char *cfs[3] = {
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"/sys/module/vt/parameters/default_red",
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"/sys/module/vt/parameters/default_grn",
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"/sys/module/vt/parameters/default_blu",
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};
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char vtcs[16][8];
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char tk[] = ",";
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char cl[64];
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char *tp = NULL;
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FILE *fp;
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size_t r;
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int i, c, n;
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for (i = 0; i < 16; i++)
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strcpy(vtcs[i], "#000000");
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for (i = 0, r = 0; i < 3; i++) {
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if ((fp = fopen(cfs[i], "r")) == NULL)
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continue;
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while ((cl[r] = fgetc(fp)) != EOF && cl[r] != '\n')
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r++;
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cl[r] = '\0';
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for (c = 0, tp = cl, n = 0; c < 16; c++, tp++) {
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if ((r = strcspn(tp, tk)) == -1)
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break;
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for (n = 0; r && *tp >= 48 && *tp < 58; r--, tp++)
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n = n * 10 - 48 + *tp;
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vtcs[c][i * 2 + 1] = n / 16 < 10 ? n / 16 + 48 : n / 16 + 87;
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vtcs[c][i * 2 + 2] = n % 16 < 10 ? n % 16 + 48 : n % 16 + 87;
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}
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fclose(fp);
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}
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for (i = 0; i < LENGTH(colors); i++) {
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#if FLOAT_BORDER_COLOR_PATCH
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for (c = 0; c < 4; c++)
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#else
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for (c = 0; c < 3; c++)
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#endif // FLOAT_BORDER_COLOR_PATCH
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{
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n = color_ptrs[i][c];
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if (n > -1 && strlen(colors[i][c]) >= strlen(vtcs[n]))
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memcpy(colors[i][c], vtcs[n], 7);
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}
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}
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}
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int get_luminance(char *r)
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{
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char *c = r;
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int n[3] = {0};
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int i = 0;
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while (*c) {
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if (*c >= 48 && *c < 58)
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n[i / 2] = n[i / 2] * 16 - 48 + *c;
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else if (*c >= 65 && *c < 71)
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n[i / 2] = n[i / 2] * 16 - 55 + *c;
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else if (*c >= 97 && *c < 103)
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n[i / 2] = n[i / 2] * 16 - 87 + *c;
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else
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i--;
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i++;
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c++;
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}
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return (0.299 * n[0] + 0.587 * n[1] + 0.114 * n[2]) / 2.55;
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} |