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common paint: improve rotation condition precision

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Hermet Park 2021-11-12 17:09:40 +09:00 • committed by Hermet Park
parent e2c7599769
commit cfe5d80099
2 changed files with 5 additions and 4 deletions
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3
src/lib/tvgMath.h
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@ -30,7 +30,8 @@
static inline bool mathRotated(const Matrix* m)
{
if (fabs(m->e12) > FLT_EPSILON || fabs(m->e21 > FLT_EPSILON)) return true;
if (fabs(m->e12) > FLT_EPSILON || fabs(m->e21 > FLT_EPSILON) || (m->e11 < -FLT_EPSILON) || (m->e22 < -FLT_EPSILON)) return true;
else return false;
}

6
src/lib/tvgPaint.cpp
View file

@ -46,10 +46,10 @@ static bool _compFastTrack(Paint* cmpTarget, const RenderTransform* pTransform,
if (rTransform) rTransform->update();
//No Rotation?
if (pTransform && (pTransform->m.e12 != 0 || pTransform->m.e21 != 0 || pTransform->m.e11 != pTransform->m.e22)) return false;
if (rTransform && (rTransform->m.e12 != 0 || rTransform->m.e21 != 0 || rTransform->m.e11 != rTransform->m.e22)) return false;
if (pTransform && (fabs(pTransform->m.e12) > FLT_EPSILON || fabs(pTransform->m.e21 > FLT_EPSILON))) return false;
if (rTransform && (fabs(rTransform->m.e12) > FLT_EPSILON || fabs(rTransform->m.e21 > FLT_EPSILON))) return false;
//Othogonal Rectangle?
//Axis-Aligned Rectangle?
auto pt1 = pts + 0;
auto pt2 = pts + 1;
auto pt3 = pts + 2;