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      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 "Test.h"
      9 #include "SkRegion.h"
     10 #include "SkPath.h"
     11 #include "SkScan.h"
     12 #include "SkBlitter.h"
     13 
     14 namespace {
     15 
     16 struct FakeBlitter : public SkBlitter {
     17   FakeBlitter()
     18       : m_blitCount(0)
     19   {}
     20 
     21   virtual void blitH(int x, int y, int width) {
     22     m_blitCount++;
     23   }
     24 
     25   int m_blitCount;
     26 };
     27 
     28 }
     29 
     30 // http://code.google.com/p/skia/issues/detail?id=87
     31 // Lines which is not clipped by boundary based clipping,
     32 // but skipped after tessellation, should be cleared by the blitter.
     33 static void TestFillPathInverse(skiatest::Reporter* reporter) {
     34   FakeBlitter blitter;
     35   SkIRect clip;
     36   SkPath path;
     37   int height = 100;
     38   int width  = 200;
     39   int expected_lines = 5;
     40   clip.set(0, height - expected_lines, width, height);
     41   path.moveTo(0.0f, 0.0f);
     42   path.quadTo(SkIntToScalar(width/2), SkIntToScalar(height),
     43               SkIntToScalar(width), 0.0f);
     44   path.close();
     45   path.setFillType(SkPath::kInverseWinding_FillType);
     46   SkScan::FillPath(path, clip, &blitter);
     47 
     48   REPORTER_ASSERT(reporter, blitter.m_blitCount == expected_lines);
     49 }
     50 
     51 #include "TestClassDef.h"
     52 DEFINE_TESTCLASS("FillPath", FillPathTestClass, TestFillPathInverse)
     53