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
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
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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#include "CurveIntersection.h"
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#include "Intersection_Tests.h"
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#include "QuadraticIntersection_TestData.h"
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#include "TestUtilities.h"
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#include "SkTypes.h"
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static const Quadratic testSet[] = {
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{{1, 1}, {2, 2}, {1, 1.000003}},
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{{1, 0}, {2, 6}, {3, 0}}
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};
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static const size_t testSetCount = sizeof(testSet) / sizeof(testSet[0]);
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static void oneOffTest() {
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SkDebugf("%s FLT_EPSILON=%1.9g\n", __FUNCTION__, FLT_EPSILON);
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for (size_t index = 0; index < testSetCount; ++index) {
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const Quadratic& quad = testSet[index];
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Quadratic reduce;
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int order = reduceOrder(quad, reduce);
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SkASSERT(order == 3);
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}
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}
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static void standardTestCases() {
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size_t index;
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Quadratic reduce;
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int order;
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enum {
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RunAll,
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RunQuadraticLines,
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RunQuadraticModLines,
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RunNone
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} run = RunAll;
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int firstTestIndex = 0;
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#if 0
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run = RunQuadraticLines;
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firstTestIndex = 1;
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#endif
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int firstQuadraticLineTest = run == RunAll ? 0 : run == RunQuadraticLines ? firstTestIndex : INT_MAX;
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int firstQuadraticModLineTest = run == RunAll ? 0 : run == RunQuadraticModLines ? firstTestIndex : INT_MAX;
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for (index = firstQuadraticLineTest; index < quadraticLines_count; ++index) {
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const Quadratic& quad = quadraticLines[index];
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order = reduceOrder(quad, reduce);
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if (order != 2) {
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printf("[%d] line quad order=%d\n", (int) index, order);
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}
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}
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for (index = firstQuadraticModLineTest; index < quadraticModEpsilonLines_count; ++index) {
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const Quadratic& quad = quadraticModEpsilonLines[index];
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order = reduceOrder(quad, reduce);
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if (order != 3) {
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printf("[%d] line mod quad order=%d\n", (int) index, order);
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}
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}
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}
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void QuadraticReduceOrder_Test() {
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oneOffTest();
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standardTestCases();
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}
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