From 4d64e4cd434426234a5c313c151cd79b6afc299e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Juha=20Vehvil=C3=A4inen?= Date: Sat, 6 Jul 2002 17:50:18 +0000 Subject: *** empty log message *** svn path=/trunk/Framestein/; revision=27 --- Plugins/subtract.cpp | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Plugins/subtract.cpp (limited to 'Plugins/subtract.cpp') diff --git a/Plugins/subtract.cpp b/Plugins/subtract.cpp new file mode 100644 index 0000000..89ba216 --- /dev/null +++ b/Plugins/subtract.cpp @@ -0,0 +1,38 @@ +// 0.20 +// - from c to c++ +// - pixelformat-aware + +#include +#include +#include "plugin.h" +#include "pixels.h" + +void perform_effect(_frame f, _args a) +{ + pixels p(f); + char *t; + byte tr, tg, tb, r=0, g=0, b=0; + + if(!a.s) return; + + r = atoi(a.s); + if(t = strstr(a.s, " ")) + { + g = atoi(t+1); + if (t = strstr(t+1, " ")) + b = atoi(t+1); + } + + while(!p.eof()) + { + tr = p.red(); + tg = p.green(); + tb = p.blue(); + p.putrgb( + tr>r ? tr-r : 0, + tg>g ? tg-g : 0, + tb>b ? tb-b : 0 + ); + p.next(); + } +} -- cgit v1.2.1