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common paint: fix wrong fast clippath logic.

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it missed to check clippath's transform in fasttrack logic.
now it additionally check it...
This commit is contained in:
Hermet Park 2021-04-06 22:27:05 +09:00
parent 34bce8d371
commit 6388a6a9dd
1 changed files with 18 additions and 10 deletions
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28
src/lib/tvgPaint.h
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@ -31,7 +31,7 @@ static inline bool FLT_SAME(float a, float b)
return (fabsf(a - b) < FLT_EPSILON);
}
static bool _clipPathFastTrack(Paint* cmpTarget, const RenderTransform* transform, RenderRegion& viewport)
static bool _clipPathFastTrack(Paint* cmpTarget, const RenderTransform* pTransform, RenderTransform* rTransform, RenderRegion& viewport)
{
/* Access Shape class by Paint is bad... but it's ok still it's an internal usage. */
auto shape = static_cast<Shape*>(cmpTarget);
@ -40,10 +40,11 @@ static bool _clipPathFastTrack(Paint* cmpTarget, const RenderTransform* transfor
const Point* pts;
if (shape->pathCoords(&pts) != 4) return false;
if (rTransform) rTransform->update();
//No Rotation?
if (transform) {
if (transform->m.e12 != 0 || transform->m.e21 != 0 || transform->m.e11 != transform->m.e22) return false;
}
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;
//Othogonal Rectangle?
auto pt1 = pts + 0;
@ -59,11 +60,18 @@ static bool _clipPathFastTrack(Paint* cmpTarget, const RenderTransform* transfor
auto x2 = pt3->x;
auto y2 = pt3->y;
if (transform) {
x1 = x1 * transform->m.e11 + transform->m.e13;
y1 = y1 * transform->m.e22 + transform->m.e23;
x2 = x2 * transform->m.e11 + transform->m.e13;
y2 = y2 * transform->m.e22 + transform->m.e23;
if (rTransform) {
x1 = x1 * rTransform->m.e11 + rTransform->m.e13;
y1 = y1 * rTransform->m.e22 + rTransform->m.e23;
x2 = x2 * rTransform->m.e11 + rTransform->m.e13;
y2 = y2 * rTransform->m.e22 + rTransform->m.e23;
}
if (pTransform) {
x1 = x1 * pTransform->m.e11 + pTransform->m.e13;
y1 = y1 * pTransform->m.e22 + pTransform->m.e23;
x2 = x2 * pTransform->m.e11 + pTransform->m.e13;
y2 = y2 * pTransform->m.e22 + pTransform->m.e23;
}
viewport.x = static_cast<uint32_t>(x1);
@ -212,7 +220,7 @@ namespace tvg
we can avoid regular ClipPath sequence but use viewport for performance */
if (cmpMethod == CompositeMethod::ClipPath) {
RenderRegion viewport2;
if ((cmpFastTrack = _clipPathFastTrack(cmpTarget, pTransform, viewport2))) {
if ((cmpFastTrack = _clipPathFastTrack(cmpTarget, pTransform, cmpTarget->pImpl->rTransform, viewport2))) {
viewport = renderer.viewport();
viewport2.merge(viewport);
renderer.viewport(viewport2);