skia2/tests/PathOpsQuadReduceOrderTest.cpp

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsQuadIntersectionTestData.h"
#include "SkIntersections.h"
#include "SkPathOpsRect.h"
#include "SkReduceOrder.h"
#include "Test.h"
static const QuadPts testSet[] = {
{{{1, 1}, {2, 2}, {1, 1.000003}}},
{{{1, 0}, {2, 6}, {3, 0}}}
};
static const size_t testSetCount = SK_ARRAY_COUNT(testSet);
static void oneOffTest(skiatest::Reporter* reporter) {
for (size_t index = 0; index < testSetCount; ++index) {
const QuadPts& q = testSet[index];
SkDQuad quad;
quad.debugSet(q.fPts);
SkReduceOrder reducer;
SkDEBUGCODE(int result = ) reducer.reduce(quad);
SkASSERT(result == 3);
}
}
static void standardTestCases(skiatest::Reporter* reporter) {
size_t index;
SkReduceOrder reducer;
int order;
enum {
RunAll,
RunQuadraticLines,
RunQuadraticModLines,
RunNone
} run = RunAll;
int firstTestIndex = 0;
#if 0
run = RunQuadraticLines;
firstTestIndex = 1;
#endif
int firstQuadraticLineTest = run == RunAll ? 0 : run == RunQuadraticLines ? firstTestIndex
: SK_MaxS32;
int firstQuadraticModLineTest = run == RunAll ? 0 : run == RunQuadraticModLines ? firstTestIndex
: SK_MaxS32;
for (index = firstQuadraticLineTest; index < quadraticLines_count; ++index) {
const QuadPts& q = quadraticLines[index];
SkDQuad quad;
quad.debugSet(q.fPts);
order = reducer.reduce(quad);
if (order != 2) {
SkDebugf("[%d] line quad order=%d\n", (int) index, order);
}
}
for (index = firstQuadraticModLineTest; index < quadraticModEpsilonLines_count; ++index) {
const QuadPts& q = quadraticModEpsilonLines[index];
SkDQuad quad;
quad.debugSet(q.fPts);
order = reducer.reduce(quad);
if (order != 2 && order != 3) { // FIXME: data probably is not good
SkDebugf("[%d] line mod quad order=%d\n", (int) index, order);
}
}
}
DEF_TEST(PathOpsReduceOrderQuad, reporter) {
oneOffTest(reporter);
standardTestCases(reporter);
}