Enlightenment CVS committal
Author : kwo
Project : e16
Module : e
Dir : e16/e/src
Modified Files:
iclass.c
Log Message:
Avoid shape processing for images with alpha set but no shape set.
===================================================================
RCS file: /cvsroot/enlightenment/e16/e/src/iclass.c,v
retrieving revision 1.78
retrieving revision 1.79
diff -u -3 -r1.78 -r1.79
--- iclass.c 16 Oct 2005 16:27:48 -0000 1.78
+++ iclass.c 16 Oct 2005 21:39:14 -0000 1.79
@@ -256,6 +256,25 @@
EAllocColor(&is->lolo);
}
+static int
+e16_image_check_has_alpha(void)
+{
+ static const short oink = 3; /* For endianness checking */
+ unsigned char *pb, *pe;
+
+ if (!imlib_image_has_alpha())
+ return 0;
+
+ pb = (unsigned char *)imlib_image_get_data_for_reading_only();
+ pe = pb + 4 * imlib_image_get_width() * imlib_image_get_height();
+ pb += *((char *)(&oink));
+ for (; pb < pe; pb += 4)
+ if (*pb != 0xff)
+ return 1;
+
+ return 0;
+}
+
static void
ImagestateRealize(ImageState * is)
{
@@ -281,6 +300,14 @@
imlib_context_set_image(is->im);
+ if (imlib_image_has_alpha() && !e16_image_check_has_alpha())
+ {
+#if 0
+ Eprintf("Alpha set but no shape %s\n", is->real_file);
+#endif
+ imlib_image_set_has_alpha(0);
+ }
+
if (is->border)
imlib_image_set_border(is->border);
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