9e49fb63d3
add copyrights everywhere start working on quadratic line segments (for quad intersection) git-svn-id: http://skia.googlecode.com/svn/trunk@5286 2bbb7eff-a529-9590-31e7-b0007b416f81
21 lines
668 B
C
21 lines
668 B
C
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef LineIntersection_DEFINE
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#define LineIntersection_DEFINE
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#include "DataTypes.h"
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int horizontalIntersect(const _Line& line, double y, double tRange[2]);
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int horizontalLineIntersect(const _Line& line, double left, double right,
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double y, double tRange[2]);
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int verticalLineIntersect(const _Line& line, double top, double bottom,
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double x, double tRange[2]);
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int intersect(const _Line& a, const _Line& b, double aRange[2], double bRange[2]);
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bool testIntersect(const _Line& a, const _Line& b);
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#endif
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