- MFH: Fix #28506, negative angle returns "random arcs"

pierrejoye · pierrejoye · commit 30b2af951128 · 2004-05-24T20:03:08.000Z
while (s &lt; 0) s += 360 is used now
diff --git a/NEWS b/NEWS
@@ -15,6 +15,8 @@ PHP 4                                                                      NEWS
   and/or HTTP_SESSION_VARS. (Sara)
 - Fixed bug #28508 (Do not make hypot() available if not supported by libc).
   (Ilia)
+- Fixed bug #28506 (Allow negative start angle in imagearc and imagefilledarc.
+  (Pierre)
 - Fixed bug #28386 (wordwrap() wraps lines 1 character too soon). (Ilia)
 - Fixed bug #28374 (Possible unterminated loop inside 
   _php_pgsql_trim_message()). (Ilia)
diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
@@ -1607,9 +1607,14 @@ void gdImageFilledArc (gdImagePtr im, int cx, int cy, int w, int h, int s, int e
 	int lx = 0, ly = 0;
 	int fx = 0, fy = 0;
 
+	while (s<0) {
+		s += 360;
+	}
+
 	while (e < s) {
 		e += 360;
 	}
+
 	for (i = s; i <= e; i++) {
 		int x, y;
 		x = ((long) gdCosT[i % 360] * (long) w / (2 * 1024)) + cx;
