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Implement Color Vision Deficiencies setting

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Implement settings for redgreen and blue blindness.

Regards https://github.com/profanity-im/profanity/issues/1191
This commit is contained in:
Michael Vetter
2019-12-12 11:07:11 +01:00
parent 136f504d5e
commit 2750194279
8 changed files with 102 additions and 16 deletions
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15
src/config/color.c
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@@ -38,6 +38,7 @@
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <math.h>
#include <glib.h>
#ifdef HAVE_NCURSESW_NCURSES_H
@@ -380,7 +381,7 @@ static int find_col(const char *col_name, int n)
return COL_ERR;
}
static int color_hash(const char *str)
static int color_hash(const char *str, color_profile profile)
{
GChecksum *cs = NULL;
guint8 buf[256] = {0};
@@ -401,10 +402,14 @@ static int color_hash(const char *str)
double h = ((buf[1] << 8) | buf[0]) / 65536. * 360.;
// red/green blindness correction
// h = fmod(fmod(h + 90., 180) - 90., 360.);
if (profile == COLOR_PROFILE_REDGREEN) {
h = fmod(fmod(h + 90., 180) - 90., 360.);
}
// blue blindness correction
// h = fmod(h, 180.);
if (profile == COLOR_PROFILE_BLUE) {
h = fmod(h, 180.);
}
rc = find_closest_col((int)h, 100, 50);
@@ -487,9 +492,9 @@ static int _color_pair_cache_get(int fg, int bg)
* hash a string into a color that will be used as fg
* use default color as bg
*/
int color_pair_cache_hash_str(const char *str)
int color_pair_cache_hash_str(const char *str, color_profile profile)
{
int fg = color_hash(str);
int fg = color_hash(str, profile);
int bg = -1;
return _color_pair_cache_get(fg, bg);