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