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-rw-r--r--progs/demos/gamma.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/progs/demos/gamma.c b/progs/demos/gamma.c
index a3b0bd8c67..1b002ed7e8 100644
--- a/progs/demos/gamma.c
+++ b/progs/demos/gamma.c
@@ -1,5 +1,5 @@
-/* $Id: gamma.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+/* $Id: gamma.c,v 1.2 2000/03/18 01:13:29 brianp Exp $ */
/* Draw test patterns to help determine correct gamma value for a display.
When the intensities of the inner squares nearly match the intensities
@@ -25,8 +25,11 @@
/*
* $Log: gamma.c,v $
- * Revision 1.1 1999/08/19 00:55:40 jtg
- * Initial revision
+ * Revision 1.2 2000/03/18 01:13:29 brianp
+ * colors were computed incorrectly (Hans Nelles)
+ *
+ * Revision 1.1.1.1 1999/08/19 00:55:40 jtg
+ * Imported sources
*
* Revision 3.1 1999/06/19 01:35:38 brianp
* merged in Kai Schuetz's RGB changes
@@ -130,8 +133,9 @@ gamma_ramp(GLfloat yoffs, GLfloat r, GLfloat g, GLfloat b)
for(d = 1; d < 4; d++) { /* increasing density from 25% to 75% */
GLfloat xcoord = (-1.0 + d*0.4);
+ GLfloat t = d * 0.25;
- glColor3f(r*d / 5.0, g*d / 5.0, b*d / 5.0); /* draw outer rect */
+ glColor3f(r*t, g*t, b*t); /* draw outer rect */
glRectf(xcoord, yoffs, xcoord+0.4, yoffs + 0.5);
glColor3f(0.0, 0.0, 0.0); /* "clear" inner rect */