iliaa Sun Apr 12 14:43:21 2009 UTC
Modified files: (Branch: PHP_5_3)
/php-src/ext/gd/libgd gd.c
Log:
Fixed bug #47946 (ImageConvolution overwrites background)
# original patch by jcolby at acsol dot net
http://cvs.php.net/viewvc.cgi/php-src/ext/gd/libgd/gd.c?r1=1.90.2.1.2.21.2.6&r2=1.90.2.1.2.21.2.7&diff_format=u
Index: php-src/ext/gd/libgd/gd.c
diff -u php-src/ext/gd/libgd/gd.c:1.90.2.1.2.21.2.6
php-src/ext/gd/libgd/gd.c:1.90.2.1.2.21.2.7
--- php-src/ext/gd/libgd/gd.c:1.90.2.1.2.21.2.6 Wed Mar 18 15:30:37 2009
+++ php-src/ext/gd/libgd/gd.c Sun Apr 12 14:43:21 2009
@@ -3870,7 +3870,7 @@
int x, y, i, j, new_a;
float new_r, new_g, new_b;
int new_pxl, pxl=0;
- gdImagePtr srcback;
+ gdImagePtr srcback, srctrans;
typedef int (*FuncPtr)(gdImagePtr, int, int);
FuncPtr f;
@@ -3880,6 +3880,10 @@
/* We need the orinal image with each safe neoghb. pixel */
srcback = gdImageCreateTrueColor (src->sx, src->sy);
+ srcback->saveAlphaFlag = 1;
+ srctrans = gdImageColorAllocateAlpha(srcback, 0, 0, 0, 127);
+ gdImageFill(srcback, 0, 0, srctrans);
+
gdImageCopy(srcback, src,0,0,0,0,src->sx,src->sy);
if (srcback==NULL) {
--
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