MFB52?
Ilia Alshanetsky
On 17-Mar-09, at 8:29 PM, Pierre-Alain Joye wrote:
pajoye Wed Mar 18 00:29:42 2009 UTC
Modified files: (Branch: PHP_5_3)
/php-src/ext/gd/libgd gdft.c
Log:
- #43073, TrueType bounding box is wrong for angle<>0
http://cvs.php.net/viewvc.cgi/php-src/ext/gd/libgd/gdft.c?r1=1.36.4.9.2.1&r2=1.36.4.9.2.2&diff_format=u
Index: php-src/ext/gd/libgd/gdft.c
diff -u php-src/ext/gd/libgd/gdft.c:1.36.4.9.2.1 php-src/ext/gd/
libgd/gdft.c:1.36.4.9.2.2
--- php-src/ext/gd/libgd/gdft.c:1.36.4.9.2.1 Wed Jan 9 01:51:17 2008
+++ php-src/ext/gd/libgd/gdft.c Wed Mar 18 00:29:42 2009
@@ -1108,15 +1108,23 @@
double d1 = sin (angle + 0.78539816339744830962);
double d2 = sin (angle - 0.78539816339744830962);
+ /* make the center of rotation at (0, 0) */
+ FT_BBox normbox;
+
+ normbox.xMin = 0;
+ normbox.yMin = 0;
+ normbox.xMax = bbox.xMax - bbox.xMin;
+ normbox.yMax = bbox.yMax - bbox.yMin;
+
/* rotate bounding rectangle */
- brect[0] = (int) (bbox.xMin * cos_a - bbox.yMin * sin_a);
- brect[1] = (int) (bbox.xMin * sin_a + bbox.yMin * cos_a);
- brect[2] = (int) (bbox.xMax * cos_a - bbox.yMin * sin_a);
- brect[3] = (int) (bbox.xMax * sin_a + bbox.yMin * cos_a);
- brect[4] = (int) (bbox.xMax * cos_a - bbox.yMax * sin_a);
- brect[5] = (int) (bbox.xMax * sin_a + bbox.yMax * cos_a);
- brect[6] = (int) (bbox.xMin * cos_a - bbox.yMax * sin_a);
- brect[7] = (int) (bbox.xMin * sin_a + bbox.yMax * cos_a);
+ brect[0] = (int) (normbox.xMin * cos_a - normbox.yMin * sin_a);
+ brect[1] = (int) (normbox.xMin * sin_a + normbox.yMin * cos_a);
+ brect[2] = (int) (normbox.xMax * cos_a - normbox.yMin * sin_a);
+ brect[3] = (int) (normbox.xMax * sin_a + normbox.yMin * cos_a);
+ brect[4] = (int) (normbox.xMax * cos_a - normbox.yMax * sin_a);
+ brect[5] = (int) (normbox.xMax * sin_a + normbox.yMax * cos_a);
+ brect[6] = (int) (normbox.xMin * cos_a - normbox.yMax * sin_a);
+ brect[7] = (int) (normbox.xMin * sin_a + normbox.yMax * cos_a);
/* scale, round and offset brect */
brect[0] = x + gdroundupdown(brect[0], d2 > 0);
--
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