diff options
Diffstat (limited to 'cc/resources/layer_quad.h')
| -rw-r--r-- | cc/resources/layer_quad.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/cc/resources/layer_quad.h b/cc/resources/layer_quad.h index ed1db10..7433645 100644 --- a/cc/resources/layer_quad.h +++ b/cc/resources/layer_quad.h @@ -22,7 +22,7 @@ class CC_EXPORT LayerQuad { public: class Edge { public: - Edge() : x_(0), y_(0), z_(0) {} + Edge() : x_(0), y_(0), z_(0), degenerate_(false) {} Edge(const gfx::PointF& p, const gfx::PointF& q); float x() const { return x_; } @@ -57,6 +57,8 @@ class CC_EXPORT LayerQuad { } void scale(float s) { scale(s, s, s); } + bool degenerate() const { return degenerate_; } + gfx::PointF Intersect(const Edge& e) const { return gfx::PointF( (y() * e.z() - e.y() * z()) / (x() * e.y() - e.x() * y()), @@ -67,6 +69,7 @@ class CC_EXPORT LayerQuad { float x_; float y_; float z_; + bool degenerate_; }; LayerQuad(const Edge& left, |