work in progress for shape operations
A experimental/Intersection
A experimental/Intersection/Intersections.h
A experimental/Intersection/DataTypes.cpp
A experimental/Intersection/QuadraticReduceOrder.cpp
A experimental/Intersection/IntersectionUtilities.cpp
A experimental/Intersection/CubicIntersection_Tests.h
A experimental/Intersection/LineParameteters_Test.cpp
A experimental/Intersection/ReduceOrder.cpp
A experimental/Intersection/QuadraticIntersection.cpp
A experimental/Intersection/Extrema.h
A experimental/Intersection/CubicIntersection_TestData.h
A experimental/Intersection/QuadraticParameterization_Test.cpp
A experimental/Intersection/TestUtilities.cpp
A experimental/Intersection/CubicRoots.cpp
A experimental/Intersection/QuadraticParameterization.cpp
A experimental/Intersection/QuadraticSubDivide.cpp
A experimental/Intersection/LineIntersection_Test.cpp
A experimental/Intersection/LineIntersection.cpp
A experimental/Intersection/CubicParameterizationCode.cpp
A experimental/Intersection/LineParameters.h
A experimental/Intersection/CubicIntersection.h
A experimental/Intersection/CubeRoot.cpp
A experimental/Intersection/SkAntiEdge.h
A experimental/Intersection/ConvexHull_Test.cpp
A experimental/Intersection/CubicBezierClip_Test.cpp
A experimental/Intersection/CubicIntersection_Tests.cpp
A experimental/Intersection/CubicBezierClip.cpp
A experimental/Intersection/CubicIntersectionT.cpp
A experimental/Intersection/Inline_Tests.cpp
A experimental/Intersection/ReduceOrder_Test.cpp
A experimental/Intersection/QuadraticIntersection_TestData.h
A experimental/Intersection/DataTypes.h
A experimental/Intersection/Extrema.cpp
A experimental/Intersection/EdgeApp.cpp
A experimental/Intersection/CubicIntersection_TestData.cpp
A experimental/Intersection/IntersectionUtilities.h
A experimental/Intersection/CubicReduceOrder.cpp
A experimental/Intersection/CubicCoincidence.cpp
A experimental/Intersection/CubicIntersection_Test.cpp
A experimental/Intersection/CubicIntersection.cpp
A experimental/Intersection/QuadraticUtilities.h
A experimental/Intersection/SkAntiEdge.cpp
A experimental/Intersection/TestUtilities.h
A experimental/Intersection/CubicParameterization_Test.cpp
A experimental/Intersection/LineIntersection.h
A experimental/Intersection/CubicSubDivide.cpp
A experimental/Intersection/CubicParameterization.cpp
A experimental/Intersection/QuadraticBezierClip_Test.cpp
A experimental/Intersection/QuadraticBezierClip.cpp
A experimental/Intersection/BezierClip_Test.cpp
A experimental/Intersection/ConvexHull.cpp
A experimental/Intersection/BezierClip.cpp
A experimental/Intersection/QuadraticIntersection_TestData.cpp
git-svn-id: http://skia.googlecode.com/svn/trunk@3005 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/CubicParameterization_Test.cpp b/experimental/Intersection/CubicParameterization_Test.cpp
new file mode 100644
index 0000000..9bb2253
--- /dev/null
+++ b/experimental/Intersection/CubicParameterization_Test.cpp
@@ -0,0 +1,44 @@
+#include "CubicIntersection.h"
+#include "CubicIntersection_Tests.h"
+#include "TestUtilities.h"
+
+const Quadratic quadratics[] = {
+ {{0, 0}, {1, 0}, {1, 1}},
+};
+
+const size_t quadratics_count = sizeof(quadratics) / sizeof(quadratics[0]);
+
+int firstCubicCoincidenceTest = 0;
+
+void CubicCoincidence_Test() {
+ // split large quadratic
+ // upscale quadratics to cubics
+ // compare original, parts, to see if the are coincident
+ for (size_t index = firstCubicCoincidenceTest; index < quadratics_count; ++index) {
+ const Quadratic& test = quadratics[index];
+ QuadraticPair split;
+ chop_at(test, split, 0.5);
+ Quadratic midThird;
+ sub_divide(test, 1.0/3, 2.0/3, midThird);
+ Cubic whole, first, second, mid;
+ quad_to_cubic(test, whole);
+ quad_to_cubic(split.first(), first);
+ quad_to_cubic(split.second(), second);
+ quad_to_cubic(midThird, mid);
+ if (!implicit_matches(whole, first)) {
+ printf("%s-1 %d\n", __FUNCTION__, (int)index);
+ }
+ if (!implicit_matches(whole, second)) {
+ printf("%s-2 %d\n", __FUNCTION__, (int)index);
+ }
+ if (!implicit_matches(mid, first)) {
+ printf("%s-3 %d\n", __FUNCTION__, (int)index);
+ }
+ if (!implicit_matches(mid, second)) {
+ printf("%s-4 %d\n", __FUNCTION__, (int)index);
+ }
+ if (!implicit_matches(first, second)) {
+ printf("%s-5 %d\n", __FUNCTION__, (int)index);
+ }
+ }
+}