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
blitHFakeBlitter18 void blitH(int x, int y, int width) override {
19 m_blitCount++;
20 }
21
blitAntiHFakeBlitter22 void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override {
23 SkDEBUGFAIL("blitAntiH not implemented");
24 }
25
26 int m_blitCount;
27 };
28
29 // http://code.google.com/p/skia/issues/detail?id=87
30 // Lines which is not clipped by boundary based clipping,
31 // but skipped after tessellation, should be cleared by the blitter.
DEF_TEST(FillPathInverse,reporter)32 DEF_TEST(FillPathInverse, reporter) {
33 FakeBlitter blitter;
34 SkIRect clip;
35 SkPath path;
36 int height = 100;
37 int width = 200;
38 int expected_lines = 5;
39 clip.set(0, height - expected_lines, width, height);
40 path.moveTo(0.0f, 0.0f)
41 .quadTo(SkIntToScalar(width/2), SkIntToScalar(height),
42 SkIntToScalar(width), 0.0f)
43 .close()
44 .setFillType(SkPath::kInverseWinding_FillType);
45 SkScan::FillPath(path, clip, &blitter);
46
47 REPORTER_ASSERT(reporter, blitter.m_blitCount == expected_lines);
48 }
49