- MFB: alpha support for colorize filter

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 4458a2f4a7a9ac40f0c39d3262a9443cc98595e2..19d4def717541ad5ae268ea5bde7d5d574afbd96 100644 (file)
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -4601,8 +4601,9 @@ static void php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS)
        zval *SIM;
        gdImagePtr im_src;
        long r,g,b,tmp;
+       long a = 0;
 
-       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &SIM, &tmp, &r, &g, &b) == FAILURE) {
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll|l", &SIM, &tmp, &r, &g, &b, &a) == FAILURE) {
                RETURN_FALSE;
        }
 
@@ -4612,7 +4613,7 @@ static void php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS)
                RETURN_FALSE;
        }
 
-       if (gdImageColor(im_src, (int) r, (int) g, (int) b) == 1) {
+       if (gdImageColor(im_src, (int) r, (int) g, (int) b, (int) a) == 1) {
                RETURN_TRUE;
        }
 
@@ -4721,7 +4722,7 @@ PHP_FUNCTION(imagefilter)
                php_image_filter_smooth
        };
 
-       if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > 5) {
+       if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > 6) {
                WRONG_PARAM_COUNT;
        } else if (zend_parse_parameters(2 TSRMLS_CC, "rl", &tmp, &filtertype) == FAILURE) {
                return;