A stroke is irregularly scaled in case when:
1) m11 != m22
2) m11 == m22 == 0 and m12 != m21
The second case was missing in the code.
shape->strokeColor(color, color + 1, color + 2, color + 3);
auto fill = shape->strokeFill();
if (fill || color[3] > 0) {
- if (fill || abs(cTransform->e11 - cTransform->e22) > FLT_EPSILON || shape->strokeDash(nullptr) > 0) preTransform = false;
+ if (fill || fabsf(cTransform->e11 - cTransform->e22) > FLT_EPSILON || (fabsf(cTransform->e11) < FLT_EPSILON && fabsf(cTransform->e12 - cTransform->e21) > FLT_EPSILON) || shape->strokeDash(nullptr) > 0) preTransform = false;
cnt += serializeStroke(shape, cTransform, preTransform);
}
}