Applied imagedeallocate() fix

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index fb616b379e06f9f9221613213d362d76730eb64f..d23574048e323952a7a817121bb60dd4d0a8ae73 100644 (file)
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -1867,6 +1867,13 @@ PHP_FUNCTION(imagecolordeallocate)
 
        ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", le_gd);
 
+       #if HAVE_LIBGD20
+       /* We can return right away for a truecolor image as deallocating colours is meaningless here */
+       if (gdImageTrueColor(im)) {
+               RETURN_TRUE;
+       }
+       #endif
+
        convert_to_long_ex(index);
        col = Z_LVAL_PP(index);