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[glyf] Don't translate/transform components if has no effect

This commit is contained in:
Behdad Esfahbod 2022-06-26 16:47:21 -06:00
parent 2bb0fa878a
commit 30d58bfd0f
1 changed files with 5 additions and 0 deletions
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5
src/hb-ot-var-gvar-table.hh
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@ -63,6 +63,9 @@ struct contour_point_vector_t : hb_vector_t<contour_point_t>
void transform (const float (&matrix)[4]) void transform (const float (&matrix)[4])
{ {
if (matrix[0] == 1.f && matrix[1] == 0.f &&
matrix[2] == 0.f && matrix[3] == 1.f)
return;
for (unsigned int i = 0; i < length; i++) for (unsigned int i = 0; i < length; i++)
{ {
contour_point_t &p = (*this)[i]; contour_point_t &p = (*this)[i];
@ -74,6 +77,8 @@ struct contour_point_vector_t : hb_vector_t<contour_point_t>
void translate (const contour_point_t& delta) void translate (const contour_point_t& delta)
{ {
if (delta.x == 0.f && delta.y == 0.f)
return;
for (unsigned int i = 0; i < length; i++) for (unsigned int i = 0; i < length; i++)
(*this)[i].translate (delta); (*this)[i].translate (delta);
} }