OLD | NEW |
| (Empty) |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/gfx/path_win.h" | |
6 | |
7 #include <algorithm> | |
8 #include <vector> | |
9 | |
10 #include "base/logging.h" | |
11 #include "base/win/scoped_gdi_object.h" | |
12 #include "skia/ext/skia_utils_win.h" | |
13 #include "testing/gtest/include/gtest/gtest.h" | |
14 #include "third_party/skia/include/core/SkPath.h" | |
15 #include "third_party/skia/include/core/SkRegion.h" | |
16 | |
17 namespace gfx { | |
18 namespace { | |
19 | |
20 std::vector<SkIRect> GetRectsFromHRGN(HRGN region) { | |
21 // Determine the size of output buffer required to receive the region. | |
22 DWORD bytes_size = GetRegionData(region, 0, NULL); | |
23 CHECK(bytes_size != 0); | |
24 | |
25 // Fetch the Windows RECTs that comprise the region. | |
26 std::vector<char> buffer(bytes_size);; | |
27 LPRGNDATA region_data = reinterpret_cast<LPRGNDATA>(buffer.data()); | |
28 DWORD result = GetRegionData(region, bytes_size, region_data); | |
29 CHECK(result == bytes_size); | |
30 | |
31 // Pull out the rectangles into a SkIRect vector to pass to setRects(). | |
32 const LPRECT rects = reinterpret_cast<LPRECT>(®ion_data->Buffer[0]); | |
33 std::vector<SkIRect> sk_rects(region_data->rdh.nCount); | |
34 std::transform(rects, rects + region_data->rdh.nCount, | |
35 sk_rects.begin(), skia::RECTToSkIRect); | |
36 | |
37 return sk_rects; | |
38 } | |
39 | |
40 TEST(PathWinTest, BasicSkPathToHRGN) { | |
41 SkPath path; | |
42 path.moveTo(0.0f, 0.0f); | |
43 path.rLineTo(100.0f, 0.0f); | |
44 path.rLineTo(0.0f, 100.0f); | |
45 path.rLineTo(-100.0f, 0.0f); | |
46 path.rLineTo(0.0f, -100.0f); | |
47 base::win::ScopedRegion region(CreateHRGNFromSkPath(path)); | |
48 std::vector<SkIRect> result = GetRectsFromHRGN(region); | |
49 EXPECT_EQ(1U, result.size()); | |
50 EXPECT_EQ(0, result[0].left()); | |
51 EXPECT_EQ(0, result[0].top()); | |
52 EXPECT_EQ(100, result[0].right()); | |
53 EXPECT_EQ(100, result[0].bottom()); | |
54 } | |
55 | |
56 TEST(PathWinTest, NonContiguousSkPathToHRGN) { | |
57 SkPath path; | |
58 path.moveTo(0.0f, 0.0f); | |
59 path.rLineTo(100.0f, 0.0f); | |
60 path.rLineTo(0.0f, 100.0f); | |
61 path.rLineTo(-100.0f, 0.0f); | |
62 path.rLineTo(0.0f, -100.0f); | |
63 path.moveTo(150.0f, 0.0f); | |
64 path.rLineTo(100.0f, 0.0f); | |
65 path.rLineTo(0.0f, 100.0f); | |
66 path.rLineTo(-100.0f, 0.0f); | |
67 path.rLineTo(0.0f, -100.0f); | |
68 base::win::ScopedRegion region(CreateHRGNFromSkPath(path)); | |
69 std::vector<SkIRect> result = GetRectsFromHRGN(region); | |
70 EXPECT_EQ(2U, result.size()); | |
71 EXPECT_EQ(0, result[0].left()); | |
72 EXPECT_EQ(0, result[0].top()); | |
73 EXPECT_EQ(100, result[0].right()); | |
74 EXPECT_EQ(100, result[0].bottom()); | |
75 EXPECT_EQ(150, result[1].left()); | |
76 EXPECT_EQ(0, result[1].top()); | |
77 EXPECT_EQ(250, result[1].right()); | |
78 EXPECT_EQ(100, result[1].bottom()); | |
79 } | |
80 | |
81 } // namespace | |
82 } // namespace gfx | |
OLD | NEW |