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-rw-r--r--ext/gd/libgd/gd_interpolation.c7
-rw-r--r--ext/gd/tests/bug66882.phpt14
2 files changed, 19 insertions, 2 deletions
diff --git a/ext/gd/libgd/gd_interpolation.c b/ext/gd/libgd/gd_interpolation.c
index 32d69f9c20..5a3d7f4ee2 100644
--- a/ext/gd/libgd/gd_interpolation.c
+++ b/ext/gd/libgd/gd_interpolation.c
@@ -2178,10 +2178,13 @@ gdImagePtr gdImageRotateInterpolated(const gdImagePtr src, const float angle, in
/* no interpolation needed here */
switch (angle_rounded) {
- case 9000:
+ case -27000:
+ case 9000:
return gdImageRotate90(src, 0);
- case 18000:
+ case -18000:
+ case 18000:
return gdImageRotate180(src, 0);
+ case -9000:
case 27000:
return gdImageRotate270(src, 0);
}
diff --git a/ext/gd/tests/bug66882.phpt b/ext/gd/tests/bug66882.phpt
new file mode 100644
index 0000000000..6dfbdfe06d
--- /dev/null
+++ b/ext/gd/tests/bug66882.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #66882 (imagerotate by -90 degrees truncates image by 1px)
+--SKIPIF--
+<?php
+if (!extension_loaded('gd')) die('skip gd extension not available');
+?>
+--FILE--
+<?php
+$im = imagerotate(imagecreate(10, 10), -90, 0);
+var_dump(imagesy($im), imagesx($im));
+?>
+--EXPECT--
+int(10)
+int(10)