(gd_render): If gdAlphaTransparent is not defined,

define it as 127.

diff --git a/src/m17n-gd.c b/src/m17n-gd.c
index 97a5351..26c0219 100644 (file)
--- a/src/m17n-gd.c
+++ b/src/m17n-gd.c
@@ -327,6 +327,9 @@ gd_render (MDrawWindow win, int x, int y,
              if (bmp[j] > 0)
                {
                  int pixel1 = pixel;
+#ifndef gdAlphaTransparent
+#define gdAlphaTransparent 127
+#endif
                  int alpha = gdAlphaTransparent * (255 - bmp[j]) / 255;
 
                  if (alpha > 0)