Fix imagegd crashes when used with truecolor image (from jpeg,png, or imagecreatetrue...

may we add parameters to imagegd to let user specify the palette size and dither (set to 256 and true) ?

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 14e1a86d24b5f5122b13c54a689dc907aa92a580..00b7746432b530e9bd64d6d1f96ace1c7ca74223 100644 (file)
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -1589,6 +1589,12 @@ static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char
                                }
                                (*func_p)(im, i, fp);
                                break;
+                       case PHP_GDIMG_TYPE_GD:
+                               if(im->trueColor){
+                                       gdImageTrueColorToPalette(im,1,255);
+                               }
+                               (*func_p)(im, fp);
+                               break;
                        default:
                                (*func_p)(im, fp);
                                break;