xref: /aosp_15_r20/external/pdfium/third_party/agg23/0000-bug-466.patch (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1*3ac0a46fSAndroid Build Coastguard Workerdiff --git a/third_party/agg23/agg_math_stroke.h b/third_party/agg23/agg_math_stroke.h
2*3ac0a46fSAndroid Build Coastguard Workerindex 6d7ba8a..2b06b1b 100644
3*3ac0a46fSAndroid Build Coastguard Worker--- a/third_party/agg23/agg_math_stroke.h
4*3ac0a46fSAndroid Build Coastguard Worker+++ b/third_party/agg23/agg_math_stroke.h
5*3ac0a46fSAndroid Build Coastguard Worker@@ -60,28 +60,30 @@ void stroke_calc_arc(VertexConsumer& out_vertices,
6*3ac0a46fSAndroid Build Coastguard Worker     }
7*3ac0a46fSAndroid Build Coastguard Worker     da = acos(width / (width + ((1.0f / 8) / approximation_scale))) * 2;
8*3ac0a46fSAndroid Build Coastguard Worker     out_vertices.add(coord_type(x + dx1, y + dy1));
9*3ac0a46fSAndroid Build Coastguard Worker-    if(!ccw) {
10*3ac0a46fSAndroid Build Coastguard Worker-        if(a1 > a2) {
11*3ac0a46fSAndroid Build Coastguard Worker-            a2 += 2 * FXSYS_PI;
12*3ac0a46fSAndroid Build Coastguard Worker+    if (da > 0) {
13*3ac0a46fSAndroid Build Coastguard Worker+      if (!ccw) {
14*3ac0a46fSAndroid Build Coastguard Worker+        if (a1 > a2) {
15*3ac0a46fSAndroid Build Coastguard Worker+          a2 += 2 * FXSYS_PI;
16*3ac0a46fSAndroid Build Coastguard Worker         }
17*3ac0a46fSAndroid Build Coastguard Worker         a2 -= da / 4;
18*3ac0a46fSAndroid Build Coastguard Worker         a1 += da;
19*3ac0a46fSAndroid Build Coastguard Worker-        while(a1 < a2) {
20*3ac0a46fSAndroid Build Coastguard Worker+        while (a1 < a2) {
21*3ac0a46fSAndroid Build Coastguard Worker           out_vertices.add(coord_type(x + (width * cos(a1)),
22*3ac0a46fSAndroid Build Coastguard Worker                                       y + (width * sin(a1))));
23*3ac0a46fSAndroid Build Coastguard Worker-            a1 += da;
24*3ac0a46fSAndroid Build Coastguard Worker+          a1 += da;
25*3ac0a46fSAndroid Build Coastguard Worker         }
26*3ac0a46fSAndroid Build Coastguard Worker-    } else {
27*3ac0a46fSAndroid Build Coastguard Worker-        if(a1 < a2) {
28*3ac0a46fSAndroid Build Coastguard Worker-            a2 -= 2 * FXSYS_PI;
29*3ac0a46fSAndroid Build Coastguard Worker+      } else {
30*3ac0a46fSAndroid Build Coastguard Worker+        if (a1 < a2) {
31*3ac0a46fSAndroid Build Coastguard Worker+          a2 -= 2 * FXSYS_PI;
32*3ac0a46fSAndroid Build Coastguard Worker         }
33*3ac0a46fSAndroid Build Coastguard Worker         a2 += da / 4;
34*3ac0a46fSAndroid Build Coastguard Worker         a1 -= da;
35*3ac0a46fSAndroid Build Coastguard Worker-        while(a1 > a2) {
36*3ac0a46fSAndroid Build Coastguard Worker+        while (a1 > a2) {
37*3ac0a46fSAndroid Build Coastguard Worker           out_vertices.add(coord_type(x + (width * cos(a1)),
38*3ac0a46fSAndroid Build Coastguard Worker                                       y + (width * sin(a1))));
39*3ac0a46fSAndroid Build Coastguard Worker-            a1 -= da;
40*3ac0a46fSAndroid Build Coastguard Worker+          a1 -= da;
41*3ac0a46fSAndroid Build Coastguard Worker         }
42*3ac0a46fSAndroid Build Coastguard Worker+      }
43*3ac0a46fSAndroid Build Coastguard Worker     }
44*3ac0a46fSAndroid Build Coastguard Worker     out_vertices.add(coord_type(x + dx2, y + dy2));
45*3ac0a46fSAndroid Build Coastguard Worker }
46