From 753339737ea98fd9caf26a5913f8f210897ef04a Mon Sep 17 00:00:00 2001 From: Simon Tatham Date: Wed, 6 Jul 2005 18:27:40 +0000 Subject: Refactoring from James H: the highlight and lowlight colour setup common to Fifteen, Sixteen, Twiddle and Pegs is now a utility function in misc.c. [originally from svn r6076] --- misc.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'misc.c') diff --git a/misc.c b/misc.c index 2f8d08d..025083d 100644 --- a/misc.c +++ b/misc.c @@ -169,4 +169,31 @@ unsigned char *hex2bin(const char *in, int outlen) return ret; } +void game_mkhighlight(frontend *fe, float *ret, + int background, int highlight, int lowlight) +{ + float max; + int i; + + frontend_default_colour(fe, &ret[background * 3]); + + /* + * Drop the background colour so that the highlight is + * noticeably brighter than it while still being under 1. + */ + max = ret[background*3]; + for (i = 1; i < 3; i++) + if (ret[background*3+i] > max) + max = ret[background*3+i]; + if (max * 1.2F > 1.0F) { + for (i = 0; i < 3; i++) + ret[background*3+i] /= (max * 1.2F); + } + + for (i = 0; i < 3; i++) { + ret[highlight * 3 + i] = ret[background * 3 + i] * 1.2F; + ret[lowlight * 3 + i] = ret[background * 3 + i] * 0.8F; + } +} + /* vim: set shiftwidth=4 tabstop=8: */ -- cgit v1.1