1 /*
2  * Copyright 2010 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "SkBlitter.h"
9 #include "SkPath.h"
10 #include "SkRegion.h"
11 #include "SkScan.h"
12 #include "Test.h"
13 
14 struct FakeBlitter : public SkBlitter {
FakeBlitterFakeBlitter15   FakeBlitter()
16       : m_blitCount(0)
17   {}
18 
blitHFakeBlitter19   virtual void blitH(int x, int y, int width) {
20     m_blitCount++;
21   }
22 
23   int m_blitCount;
24 };
25 
26 // http://code.google.com/p/skia/issues/detail?id=87
27 // Lines which is not clipped by boundary based clipping,
28 // but skipped after tessellation, should be cleared by the blitter.
DEF_TEST(FillPathInverse,reporter)29 DEF_TEST(FillPathInverse, reporter) {
30   FakeBlitter blitter;
31   SkIRect clip;
32   SkPath path;
33   int height = 100;
34   int width  = 200;
35   int expected_lines = 5;
36   clip.set(0, height - expected_lines, width, height);
37   path.moveTo(0.0f, 0.0f);
38   path.quadTo(SkIntToScalar(width/2), SkIntToScalar(height),
39               SkIntToScalar(width), 0.0f);
40   path.close();
41   path.setFillType(SkPath::kInverseWinding_FillType);
42   SkScan::FillPath(path, clip, &blitter);
43 
44   REPORTER_ASSERT(reporter, blitter.m_blitCount == expected_lines);
45 }
46