skia2/experimental/Intersection/LineUtilities.h
caryclark@google.com 8dcf114db9 shape ops work in progress
M    Intersection/DataTypes.cpp
M    Intersection/QuadraticIntersection_Test.cpp
M    Intersection/EdgeWalker.cpp
M    Intersection/LineQuadraticIntersection_Test.cpp
M    Intersection/LineIntersection_Test.cpp
M    Intersection/LineIntersection.cpp
D    Intersection/edge.xcodeproj
M    Intersection/SimplifyFindTop_Test.cpp
M    Intersection/DataTypes.h
A    Intersection/SimplifyRect4x4_Test.cpp
M    Intersection/CubicIntersection_Test.cpp
M    Intersection/QuadraticUtilities.h
M    Intersection/LineCubicIntersection_Test.cpp
A    Intersection/CurveUtilities.h
M    Intersection/QuadraticBezierClip.cpp
M    Intersection/QuadraticBounds.cpp
M    Intersection/LineUtilities.h
M    Intersection/Intersection_Tests.cpp
M    Intersection/Simplify.cpp
M    Intersection/EdgeWalker_TestUtility.cpp
M    Intersection/QuadraticUtilities.cpp
M    Intersection/thingsToDo.txt
M    Intersection/LineUtilities.cpp
M    Intersection/CubicUtilities.h
M    Intersection/SimplifyFindNext_Test.cpp
M    Intersection/Intersection_Tests.h
M    Intersection/CubicBezierClip.cpp
M    Intersection/ActiveEdge_Test.cpp
M    Intersection/CubicBounds.cpp
M    Intersection/Simplify.h
M    Intersection/SimplifyNew_Test.cpp
M    Intersection/EdgeWalker_Test.h
M    Intersection/CubicUtilities.cpp
M    Intersection/op.htm
M    Intersection/ConvexHull.cpp
D    Intersection/RectUtilities.cpp
M    Intersection/SimplifyAddIntersectingTs_Test.cpp



git-svn-id: http://skia.googlecode.com/svn/trunk@4429 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-07-02 20:27:02 +00:00

19 lines
490 B
C

#include "DataTypes.h"
bool implicitLine(const _Line& line, double& slope, double& axisIntercept);
int reduceOrder(const _Line& line, _Line& reduced);
double t_at(const _Line&, const _Point& );
void xy_at_t(const _Line& , double t, double& x, double& y);
enum x_at_flags {
kFindTopMin = 1,
kFindTopMax = 2,
kFindBottomMin = 4,
kFindBottomMax = 8
};
void x_at(const _Point& p1, const _Point& p2, double minY, double maxY,
int flags, double& tMin, double& tMax);