Implement gamma-correction on Haiku

* src/dispextern.h: Add `gamma_correct' prototype on Haiku as
well.
* src/haikufns.c (gamma_correct): New function.
* src/haikuterm.c (haiku_defined_color): Gamma-correct colors if
their pixels are being allocated.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/haikuterm.c b/src/haikuterm.c
index af20d1c11c8..2db1e352ffb 100644
--- a/src/haikuterm.c
+++ b/src/haikuterm.c
@@ -575,7 +575,14 @@ static bool
 haiku_defined_color (struct frame *f, const char *name,
 		     Emacs_Color *color, bool alloc, bool make_index)
 {
-  return !haiku_get_color (name, color);
+  int rc;
+
+  rc = !haiku_get_color (name, color);
+
+  if (rc && f->gamma && alloc)
+    gamma_correct (f, color);
+
+  return rc;
 }
 
 /* Adapted from xterm `x_draw_box_rect'.  */