1 /*
2 * Copyright (C) 2010 The Chromium Authors. All rights reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "Test.h"
18 #include "SkRegion.h"
19 #include "SkPath.h"
20 #include "SkScan.h"
21 #include "SkBlitter.h"
22
23 namespace {
24
25 struct FakeBlitter : public SkBlitter {
FakeBlitter__anonc0e480f20111::FakeBlitter26 FakeBlitter()
27 : m_blitCount(0)
28 {}
29
blitH__anonc0e480f20111::FakeBlitter30 virtual void blitH(int x, int y, int width) {
31 m_blitCount++;
32 }
33
34 int m_blitCount;
35 };
36
37 }
38
39 // http://code.google.com/p/skia/issues/detail?id=87
40 // Lines which is not clipped by boundary based clipping,
41 // but skipped after tessellation, should be cleared by the blitter.
TestFillPathInverse(skiatest::Reporter * reporter)42 static void TestFillPathInverse(skiatest::Reporter* reporter) {
43 FakeBlitter blitter;
44 SkRegion clip;
45 SkPath path;
46 int height = 100;
47 int width = 200;
48 int expected_lines = 5;
49 clip.setRect(0, height - expected_lines, width, height);
50 path.moveTo(0.0, 0.0);
51 path.quadTo(width/2, height, width, 0.0);
52 path.close();
53 path.setFillType(SkPath::kInverseWinding_FillType);
54 SkScan::FillPath(path, clip, &blitter);
55
56 REPORTER_ASSERT(reporter, blitter.m_blitCount == expected_lines);
57 }
58
59 #include "TestClassDef.h"
60 DEFINE_TESTCLASS("FillPath", FillPathTestClass, TestFillPathInverse)
61