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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkPathOpsBounds.h"
#include "Test.h"
static const SkRect sectTests[][2] = {
{{2, 0, 4, 1}, {4, 0, 6, 1}},
{{2, 0, 4, 1}, {3, 0, 5, 1}},
{{2, 0, 4, 1}, {3, 0, 5, 0}},
{{2, 0, 4, 1}, {3, 1, 5, 2}},
{{2, 1, 4, 2}, {1, 0, 5, 3}},
{{2, 1, 5, 3}, {3, 1, 4, 2}},
{{2, 0, 4, 1}, {3, 0, 3, 0}}, // intersecting an empty bounds is OK
{{2, 0, 4, 1}, {4, 1, 5, 2}}, // touching just on a corner is OK
};
static const size_t sectTestsCount = SK_ARRAY_COUNT(sectTests);
static const SkRect noSectTests[][2] = {
{{2, 0, 4, 1}, {5, 0, 6, 1}},
{{2, 0, 4, 1}, {3, 2, 5, 2}},
};
static const size_t noSectTestsCount = SK_ARRAY_COUNT(noSectTests);
static const SkRect reallyEmpty[] = {
{0, 0, 0, 0},
{1, 1, 1, 0},
{1, 1, 0, 1},
{1, 1, 0, 0},
{1, 2, 3, SK_ScalarNaN},
};
static const size_t emptyTestsCount = SK_ARRAY_COUNT(reallyEmpty);
static const SkRect notReallyEmpty[] = {
{0, 0, 1, 0},
{0, 0, 0, 1},
{0, 0, 1, 1},
};
static const size_t notEmptyTestsCount = SK_ARRAY_COUNT(notReallyEmpty);
static void PathOpsBoundsTest(skiatest::Reporter* reporter) {
for (size_t index = 0; index < sectTestsCount; ++index) {
const SkPathOpsBounds& bounds1 = static_cast<const SkPathOpsBounds&>(sectTests[index][0]);
const SkPathOpsBounds& bounds2 = static_cast<const SkPathOpsBounds&>(sectTests[index][1]);
bool touches = SkPathOpsBounds::Intersects(bounds1, bounds2);
REPORTER_ASSERT(reporter, touches);
}
for (size_t index = 0; index < noSectTestsCount; ++index) {
const SkPathOpsBounds& bounds1 = static_cast<const SkPathOpsBounds&>(noSectTests[index][0]);
const SkPathOpsBounds& bounds2 = static_cast<const SkPathOpsBounds&>(noSectTests[index][1]);
bool touches = SkPathOpsBounds::Intersects(bounds1, bounds2);
REPORTER_ASSERT(reporter, !touches);
}
SkPathOpsBounds bounds;
bounds.setEmpty();
bounds.add(1, 2, 3, 4);
SkPathOpsBounds expected;
expected.set(0, 0, 3, 4);
REPORTER_ASSERT(reporter, bounds == expected);
bounds.setEmpty();
SkPathOpsBounds ordinal;
ordinal.set(1, 2, 3, 4);
bounds.add(ordinal);
REPORTER_ASSERT(reporter, bounds == expected);
SkPoint topLeft = {0, 0};
bounds.setPointBounds(topLeft);
SkPoint botRight = {3, 4};
bounds.add(botRight);
REPORTER_ASSERT(reporter, bounds == expected);
for (size_t index = 0; index < emptyTestsCount; ++index) {
const SkPathOpsBounds& bounds = static_cast<const SkPathOpsBounds&>(reallyEmpty[index]);
bool empty = bounds.isReallyEmpty();
REPORTER_ASSERT(reporter, empty);
}
for (size_t index = 0; index < notEmptyTestsCount; ++index) {
const SkPathOpsBounds& bounds = static_cast<const SkPathOpsBounds&>(notReallyEmpty[index]);
bool empty = bounds.isReallyEmpty();
REPORTER_ASSERT(reporter, !empty);
}
const SkPoint curvePts[] = {{0, 0}, {1, 2}, {3, 4}, {5, 6}};
bounds.setLineBounds(curvePts);
expected.set(0, 0, 1, 2);
REPORTER_ASSERT(reporter, bounds == expected);
(bounds.*SetCurveBounds[1])(curvePts);
REPORTER_ASSERT(reporter, bounds == expected);
bounds.setQuadBounds(curvePts);
expected.set(0, 0, 3, 4);
REPORTER_ASSERT(reporter, bounds == expected);
(bounds.*SetCurveBounds[2])(curvePts);
REPORTER_ASSERT(reporter, bounds == expected);
bounds.setCubicBounds(curvePts);
expected.set(0, 0, 5, 6);
REPORTER_ASSERT(reporter, bounds == expected);
(bounds.*SetCurveBounds[3])(curvePts);
REPORTER_ASSERT(reporter, bounds == expected);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS_SHORT(PathOpsBoundsTest)
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