From bac0e55efcf9692f2bcb49e8eee00617926361aa Mon Sep 17 00:00:00 2001 From: June McEnroe Date: Sat, 31 Mar 2018 00:16:32 -0400 Subject: Simplify gfxx palette generation --- bin/gfxx.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) (limited to 'bin') diff --git a/bin/gfxx.c b/bin/gfxx.c index 5c2c70b9..5a1ccf8b 100644 --- a/bin/gfxx.c +++ b/bin/gfxx.c @@ -117,17 +117,15 @@ int init(int argc, char *argv[]) { fclose(file); } else { for (int i = 0; i < 256; ++i) { - double h = i * 360.0 / 256.0 / 60.0, s = 1.0, v = 1.0; - double c = v * s; - double x = c * (1.0 - fabs(fmod(h, 2.0) - 1.0)); - double r = v - c, g = v - c, b = v - c; - if (h <= 1.0) { r += c; g += x; } - else if (h <= 2.0) { r += x; g += c; } - else if (h <= 3.0) { g += c; b += x; } - else if (h <= 4.0) { g += x; b += c; } - else if (h <= 5.0) { r += x; b += c; } - else if (h <= 6.0) { r += c; b += x; } - r *= 255.0; g *= 255.0; b *= 255.0; + double h = i / 256.0 * 6.0; + double x = 1.0 - fabs(fmod(h, 2.0) - 1.0); + double r = 255.0, g = 255.0, b = 255.0; + if (h <= 1.0) { g *= x; b = 0.0; } + else if (h <= 2.0) { r *= x; b = 0.0; } + else if (h <= 3.0) { r = 0.0; b *= x; } + else if (h <= 4.0) { r = 0.0; g *= x; } + else if (h <= 5.0) { r *= x; g = 0.0; } + else if (h <= 6.0) { g = 0.0; b *= x; } palette[i] = (uint32_t)r << 16 | (uint32_t)g << 8 | (uint32_t)b; } } -- cgit 1.4.1 ' method='get' action='/catgirl/log/ui.c'>
path: root/ui.c (unfollow)
Commit message (Expand)Author
2020-02-12Allow for arguments to open/copy utilitiesJune McEnroe
2020-02-12Handle RPL_AWAYJune McEnroe
2020-02-11Support monochromatic terminalsJune McEnroe
2020-02-11Add .gz to chroot-man scriptJune McEnroe
2020-02-11Add -R restricted flagJune McEnroe
2020-02-11Add chroot targetJune McEnroe
2020-02-11Exit focus and paste modes on err exitJune McEnroe
2020-02-11Add startup GPLv3 note and URLJune McEnroe
2020-02-11Make sure -D_GNU_SOURCE ends up in CFLAGS on LinuxJune McEnroe
2020-02-11Add note about setting PKG_CONFIG_PATHJune McEnroe
2020-02-11Rename query ID on nick changeJune McEnroe
2020-02-11Call completeClear when closing a windowJune McEnroe
2020-02-11Don't insert color codes for non-mentionsJune McEnroe
2020-02-11Take first two words in colorMentionsJune McEnroe
2020-02-11Use time_t for save signatureJune McEnroe
2020-02-11Set self.nick to * initiallyJune McEnroe
2020-02-11Define ColorCap instead of hardcoding 100June McEnroe
2020-02-11Move hash to top of chat.hJune McEnroe
2020-02-11Move base64 out of chat.hJune McEnroe
2020-02-11Move XDG_SUBDIR out of chat.hJune McEnroe
2020-02-11Fix whois idle unit calculationJune McEnroe
2020-02-11Cast towupper to wchar_tJune McEnroe
2020-02-11Cast set but unused variables to voidJune McEnroe
2020-02-11Declare strlcatJune McEnroe
2020-02-11Check if VDSUSP existsJune McEnroe
2020-02-11Fix completeReplace iterationJune McEnroe
2020-02-11Use pkg(8) to configure on FreeBSDJune McEnroe
2020-02-11Remove legacy codeJune McEnroe
2020-02-11Add INSTALLING section to READMEJune McEnroe