shape ops work in progress
add quartic solution for intersecting quadratics
git-svn-id: http://skia.googlecode.com/svn/trunk@5541 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/QuadraticParameterization.h b/experimental/Intersection/QuadraticParameterization.h
new file mode 100644
index 0000000..5c651b6
--- /dev/null
+++ b/experimental/Intersection/QuadraticParameterization.h
@@ -0,0 +1,27 @@
+#include "DataTypes.h"
+
+class QuadImplicitForm {
+public:
+ QuadImplicitForm(const Quadratic& q);
+ bool implicit_match(const QuadImplicitForm& two) const;
+
+ double x2() const { return p[xx_coeff]; }
+ double xy() const { return p[xy_coeff]; }
+ double y2() const { return p[yy_coeff]; }
+ double x() const { return p[x_coeff]; }
+ double y() const { return p[y_coeff]; }
+ double c() const { return p[c_coeff]; }
+
+private:
+ enum Coeffs {
+ xx_coeff,
+ xy_coeff,
+ yy_coeff,
+ x_coeff,
+ y_coeff,
+ c_coeff,
+ coeff_count
+ };
+
+ double p[coeff_count];
+};