зеркало из https://github.com/mozilla/moz-skia.git
111 строки
4.0 KiB
C++
111 строки
4.0 KiB
C++
/*
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* Copyright 2013 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 "PathOpsTestCommon.h"
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#include "SkPathOpsBounds.h"
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#include "Test.h"
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static const SkRect sectTests[][2] = {
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{{2, 0, 4, 1}, {4, 0, 6, 1}},
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{{2, 0, 4, 1}, {3, 0, 5, 1}},
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{{2, 0, 4, 1}, {3, 0, 5, 0}},
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{{2, 0, 4, 1}, {3, 1, 5, 2}},
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{{2, 1, 4, 2}, {1, 0, 5, 3}},
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{{2, 1, 5, 3}, {3, 1, 4, 2}},
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{{2, 0, 4, 1}, {3, 0, 3, 0}}, // intersecting an empty bounds is OK
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{{2, 0, 4, 1}, {4, 1, 5, 2}}, // touching just on a corner is OK
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};
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static const size_t sectTestsCount = SK_ARRAY_COUNT(sectTests);
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static const SkRect noSectTests[][2] = {
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{{2, 0, 4, 1}, {5, 0, 6, 1}},
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{{2, 0, 4, 1}, {3, 2, 5, 2}},
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};
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static const size_t noSectTestsCount = SK_ARRAY_COUNT(noSectTests);
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static const SkRect reallyEmpty[] = {
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{0, 0, 0, 0},
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{1, 1, 1, 0},
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{1, 1, 0, 1},
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{1, 1, 0, 0},
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{1, 2, 3, SK_ScalarNaN},
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};
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static const size_t emptyTestsCount = SK_ARRAY_COUNT(reallyEmpty);
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static const SkRect notReallyEmpty[] = {
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{0, 0, 1, 0},
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{0, 0, 0, 1},
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{0, 0, 1, 1},
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};
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static const size_t notEmptyTestsCount = SK_ARRAY_COUNT(notReallyEmpty);
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DEF_TEST(PathOpsBounds, reporter) {
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for (size_t index = 0; index < sectTestsCount; ++index) {
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const SkPathOpsBounds& bounds1 = static_cast<const SkPathOpsBounds&>(sectTests[index][0]);
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SkASSERT(ValidBounds(bounds1));
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const SkPathOpsBounds& bounds2 = static_cast<const SkPathOpsBounds&>(sectTests[index][1]);
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SkASSERT(ValidBounds(bounds2));
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bool touches = SkPathOpsBounds::Intersects(bounds1, bounds2);
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REPORTER_ASSERT(reporter, touches);
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}
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for (size_t index = 0; index < noSectTestsCount; ++index) {
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const SkPathOpsBounds& bounds1 = static_cast<const SkPathOpsBounds&>(noSectTests[index][0]);
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SkASSERT(ValidBounds(bounds1));
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const SkPathOpsBounds& bounds2 = static_cast<const SkPathOpsBounds&>(noSectTests[index][1]);
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SkASSERT(ValidBounds(bounds2));
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bool touches = SkPathOpsBounds::Intersects(bounds1, bounds2);
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REPORTER_ASSERT(reporter, !touches);
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}
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SkPathOpsBounds bounds;
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bounds.setEmpty();
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bounds.add(1, 2, 3, 4);
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SkPathOpsBounds expected;
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expected.set(0, 0, 3, 4);
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REPORTER_ASSERT(reporter, bounds == expected);
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bounds.setEmpty();
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SkPathOpsBounds ordinal;
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ordinal.set(1, 2, 3, 4);
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bounds.add(ordinal);
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REPORTER_ASSERT(reporter, bounds == expected);
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SkPoint topLeft = {0, 0};
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bounds.setPointBounds(topLeft);
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SkPoint botRight = {3, 4};
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bounds.add(botRight);
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REPORTER_ASSERT(reporter, bounds == expected);
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for (size_t index = 0; index < emptyTestsCount; ++index) {
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const SkPathOpsBounds& bounds = static_cast<const SkPathOpsBounds&>(reallyEmpty[index]);
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// SkASSERT(ValidBounds(bounds)); // don't check because test may contain nan
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bool empty = bounds.isReallyEmpty();
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REPORTER_ASSERT(reporter, empty);
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}
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for (size_t index = 0; index < notEmptyTestsCount; ++index) {
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const SkPathOpsBounds& bounds = static_cast<const SkPathOpsBounds&>(notReallyEmpty[index]);
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SkASSERT(ValidBounds(bounds));
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bool empty = bounds.isReallyEmpty();
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REPORTER_ASSERT(reporter, !empty);
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}
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const SkPoint curvePts[] = {{0, 0}, {1, 2}, {3, 4}, {5, 6}};
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bounds.setLineBounds(curvePts);
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expected.set(0, 0, 1, 2);
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REPORTER_ASSERT(reporter, bounds == expected);
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(bounds.*SetCurveBounds[1])(curvePts);
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REPORTER_ASSERT(reporter, bounds == expected);
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bounds.setQuadBounds(curvePts);
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expected.set(0, 0, 3, 4);
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REPORTER_ASSERT(reporter, bounds == expected);
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(bounds.*SetCurveBounds[2])(curvePts);
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REPORTER_ASSERT(reporter, bounds == expected);
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bounds.setCubicBounds(curvePts);
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expected.set(0, 0, 5, 6);
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REPORTER_ASSERT(reporter, bounds == expected);
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(bounds.*SetCurveBounds[3])(curvePts);
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REPORTER_ASSERT(reporter, bounds == expected);
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}
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