8cfdf01ff9
Fix for http://code.google.com/p/skia/issues/detail?id=87 Even when SkPath::kInverseWinding_FillType is given, Skia left some lines not filled(cleared) in one case. Patch-by: morrita http://codereview.appspot.com/3443041 git-svn-id: http://skia.googlecode.com/svn/trunk@630 2bbb7eff-a529-9590-31e7-b0007b416f81
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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* Copyright (C) 2010 The Chromium Authors. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Test.h"
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#include "SkRegion.h"
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#include "SkPath.h"
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#include "SkScan.h"
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#include "SkBlitter.h"
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namespace {
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struct FakeBlitter : public SkBlitter {
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FakeBlitter()
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: m_blitCount(0)
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{}
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virtual void blitH(int x, int y, int width) {
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m_blitCount++;
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}
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int m_blitCount;
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};
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}
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// http://code.google.com/p/skia/issues/detail?id=87
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// Lines which is not clipped by boundary based clipping,
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// but skipped after tessellation, should be cleared by the blitter.
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static void TestFillPathInverse(skiatest::Reporter* reporter) {
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FakeBlitter blitter;
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SkRegion clip;
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SkPath path;
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int height = 100;
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int width = 200;
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int expected_lines = 5;
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clip.setRect(0, height - expected_lines, width, height);
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path.moveTo(0.0, 0.0);
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path.quadTo(width/2, height, width, 0.0);
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path.close();
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path.setFillType(SkPath::kInverseWinding_FillType);
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SkScan::FillPath(path, clip, &blitter);
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REPORTER_ASSERT(reporter, blitter.m_blitCount == expected_lines);
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("FillPath", FillPathTestClass, TestFillPathInverse)
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