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1 // Copyright (c) 2006-2008 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 <atlbase.h> | |
6 #include <atlapp.h> | |
7 #include <atlmisc.h> | |
8 | |
9 #include "chrome/common/gfx/icon_util.h" | |
10 #include "base/gfx/size.h" | |
11 #include "base/scoped_ptr.h" | |
12 #include "base/file_util.h" | |
13 #include "base/path_service.h" | |
14 #include "chrome/common/chrome_paths.h" | |
15 #include "skia/include/SkBitmap.h" | |
16 #include "testing/gtest/include/gtest/gtest.h" | |
17 | |
18 namespace { | |
19 | |
20 static const wchar_t* const kSmallIconName = L"icon_util\\16_X_16_icon.ico"; | |
21 static const wchar_t* const kLargeIconName = L"icon_util\\128_X_128_icon.ico"; | |
22 static const wchar_t* const kTempIconFilename = L"temp_test_icon.ico"; | |
23 | |
24 class IconUtilTest : public testing::Test { | |
25 public: | |
26 IconUtilTest() { | |
27 PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory_); | |
28 } | |
29 ~IconUtilTest() {} | |
30 | |
31 static const int kSmallIconWidth = 16; | |
32 static const int kSmallIconHeight = 16; | |
33 static const int kLargeIconWidth = 128; | |
34 static const int kLargeIconHeight = 128; | |
35 | |
36 // Given a file name for an .ico file and an image dimentions, this | |
37 // function loads the icon and returns an HICON handle. | |
38 HICON LoadIconFromFile(const std::wstring& filename, | |
39 int width, | |
40 int height) { | |
41 HICON icon = | |
42 static_cast<HICON>(LoadImage(NULL, | |
43 filename.c_str(), | |
44 IMAGE_ICON, | |
45 width, | |
46 height, | |
47 LR_LOADTRANSPARENT | LR_LOADFROMFILE)); | |
48 return icon; | |
49 } | |
50 | |
51 protected: | |
52 // The root directory for test files. | |
53 std::wstring test_data_directory_; | |
54 | |
55 private: | |
56 DISALLOW_EVIL_CONSTRUCTORS(IconUtilTest); | |
57 }; | |
58 }; | |
59 | |
60 // The following test case makes sure IconUtil::SkBitmapFromHICON fails | |
61 // gracefully when called with invalid input parameters. | |
62 TEST_F(IconUtilTest, TestIconToBitmapInvalidParameters) { | |
63 std::wstring icon_filename(test_data_directory_); | |
64 file_util::AppendToPath(&icon_filename, kSmallIconName); | |
65 gfx::Size icon_size(kSmallIconWidth, kSmallIconHeight); | |
66 HICON icon = LoadIconFromFile(icon_filename, | |
67 icon_size.width(), | |
68 icon_size.height()); | |
69 ASSERT_TRUE(icon != NULL); | |
70 | |
71 // Invalid size parameter. | |
72 gfx::Size invalid_icon_size(kSmallIconHeight, 0); | |
73 EXPECT_EQ(IconUtil::CreateSkBitmapFromHICON(icon, invalid_icon_size), | |
74 static_cast<SkBitmap*>(NULL)); | |
75 | |
76 // Invalid icon. | |
77 EXPECT_EQ(IconUtil::CreateSkBitmapFromHICON(NULL, icon_size), | |
78 static_cast<SkBitmap*>(NULL)); | |
79 | |
80 // The following code should succeed. | |
81 scoped_ptr<SkBitmap> bitmap; | |
82 bitmap.reset(IconUtil::CreateSkBitmapFromHICON(icon, icon_size)); | |
83 EXPECT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
84 ::DestroyIcon(icon); | |
85 } | |
86 | |
87 // The following test case makes sure IconUtil::CreateHICONFromSkBitmap fails | |
88 // gracefully when called with invalid input parameters. | |
89 TEST_F(IconUtilTest, TestBitmapToIconInvalidParameters) { | |
90 HICON icon = NULL; | |
91 scoped_ptr<SkBitmap> bitmap; | |
92 | |
93 // Wrong bitmap format. | |
94 bitmap.reset(new SkBitmap); | |
95 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
96 bitmap->setConfig(SkBitmap::kA8_Config, kSmallIconWidth, kSmallIconHeight); | |
97 icon = IconUtil::CreateHICONFromSkBitmap(*bitmap); | |
98 EXPECT_EQ(icon, static_cast<HICON>(NULL)); | |
99 | |
100 // Invalid bitmap size. | |
101 bitmap.reset(new SkBitmap); | |
102 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
103 bitmap->setConfig(SkBitmap::kARGB_8888_Config, 0, 0); | |
104 icon = IconUtil::CreateHICONFromSkBitmap(*bitmap); | |
105 EXPECT_EQ(icon, static_cast<HICON>(NULL)); | |
106 | |
107 // Valid bitmap configuration but no pixels allocated. | |
108 bitmap.reset(new SkBitmap); | |
109 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
110 bitmap->setConfig(SkBitmap::kARGB_8888_Config, | |
111 kSmallIconWidth, | |
112 kSmallIconHeight); | |
113 icon = IconUtil::CreateHICONFromSkBitmap(*bitmap); | |
114 EXPECT_TRUE(icon == NULL); | |
115 } | |
116 | |
117 // The following test case makes sure IconUtil::CreateIconFileFromSkBitmap | |
118 // fails gracefully when called with invalid input parameters. | |
119 TEST_F(IconUtilTest, TestCreateIconFileInvalidParameters) { | |
120 scoped_ptr<SkBitmap> bitmap; | |
121 std::wstring valid_icon_filename(test_data_directory_); | |
122 file_util::AppendToPath(&valid_icon_filename, kSmallIconName); | |
123 std::wstring invalid_icon_filename(L"C:\\<>?.ico"); | |
124 | |
125 // Wrong bitmap format. | |
126 bitmap.reset(new SkBitmap); | |
127 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
128 bitmap->setConfig(SkBitmap::kA8_Config, kSmallIconWidth, kSmallIconHeight); | |
129 EXPECT_FALSE(IconUtil::CreateIconFileFromSkBitmap(*bitmap, | |
130 valid_icon_filename)); | |
131 | |
132 // Invalid bitmap size. | |
133 bitmap.reset(new SkBitmap); | |
134 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
135 bitmap->setConfig(SkBitmap::kARGB_8888_Config, 0, 0); | |
136 EXPECT_FALSE(IconUtil::CreateIconFileFromSkBitmap(*bitmap, | |
137 valid_icon_filename)); | |
138 | |
139 // Bitmap with no allocated pixels. | |
140 bitmap.reset(new SkBitmap); | |
141 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
142 bitmap->setConfig(SkBitmap::kARGB_8888_Config, | |
143 kSmallIconWidth, | |
144 kSmallIconHeight); | |
145 EXPECT_FALSE(IconUtil::CreateIconFileFromSkBitmap(*bitmap, | |
146 valid_icon_filename)); | |
147 | |
148 // Invalid file name. | |
149 bitmap->allocPixels(); | |
150 // Setting the pixels to black. | |
151 memset(bitmap->getPixels(), 0, bitmap->width() * bitmap->height() * 4); | |
152 EXPECT_FALSE(IconUtil::CreateIconFileFromSkBitmap(*bitmap, | |
153 invalid_icon_filename)); | |
154 } | |
155 | |
156 // This test case makes sure that when we load an icon from disk and convert | |
157 // the HICON into a bitmap, the bitmap has the expected format and dimentions. | |
158 TEST_F(IconUtilTest, TestCreateSkBitmapFromHICON) { | |
159 scoped_ptr<SkBitmap> bitmap; | |
160 std::wstring small_icon_filename(test_data_directory_); | |
161 file_util::AppendToPath(&small_icon_filename, kSmallIconName); | |
162 gfx::Size small_icon_size(kSmallIconWidth, kSmallIconHeight); | |
163 HICON small_icon = LoadIconFromFile(small_icon_filename, | |
164 small_icon_size.width(), | |
165 small_icon_size.height()); | |
166 ASSERT_NE(small_icon, static_cast<HICON>(NULL)); | |
167 bitmap.reset(IconUtil::CreateSkBitmapFromHICON(small_icon, small_icon_size)); | |
168 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
169 EXPECT_EQ(bitmap->width(), small_icon_size.width()); | |
170 EXPECT_EQ(bitmap->height(), small_icon_size.height()); | |
171 EXPECT_EQ(bitmap->config(), SkBitmap::kARGB_8888_Config); | |
172 ::DestroyIcon(small_icon); | |
173 | |
174 std::wstring large_icon_filename(test_data_directory_); | |
175 file_util::AppendToPath(&large_icon_filename, kLargeIconName); | |
176 gfx::Size large_icon_size(kLargeIconWidth, kLargeIconHeight); | |
177 HICON large_icon = LoadIconFromFile(large_icon_filename, | |
178 large_icon_size.width(), | |
179 large_icon_size.height()); | |
180 ASSERT_NE(large_icon, static_cast<HICON>(NULL)); | |
181 bitmap.reset(IconUtil::CreateSkBitmapFromHICON(large_icon, large_icon_size)); | |
182 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
183 EXPECT_EQ(bitmap->width(), large_icon_size.width()); | |
184 EXPECT_EQ(bitmap->height(), large_icon_size.height()); | |
185 EXPECT_EQ(bitmap->config(), SkBitmap::kARGB_8888_Config); | |
186 ::DestroyIcon(large_icon); | |
187 } | |
188 | |
189 // This test case makes sure that when an HICON is created from an SkBitmap, | |
190 // the returned handle is valid and refers to an icon with the expected | |
191 // dimentions color depth etc. | |
192 TEST_F(IconUtilTest, TestBasicCreateHICONFromSkBitmap) { | |
193 scoped_ptr<SkBitmap> bitmap; | |
194 bitmap.reset(new SkBitmap); | |
195 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
196 bitmap->setConfig(SkBitmap::kARGB_8888_Config, | |
197 kSmallIconWidth, | |
198 kSmallIconHeight); | |
199 bitmap->allocPixels(); | |
200 HICON icon = IconUtil::CreateHICONFromSkBitmap(*bitmap); | |
201 EXPECT_NE(icon, static_cast<HICON>(NULL)); | |
202 ICONINFO icon_info; | |
203 ASSERT_TRUE(::GetIconInfo(icon, &icon_info)); | |
204 EXPECT_TRUE(icon_info.fIcon); | |
205 | |
206 // Now that have the icon information, we should obtain the specification of | |
207 // the icon's bitmap and make sure it matches the specification of the | |
208 // SkBitmap we started with. | |
209 // | |
210 // The bitmap handle contained in the icon information is a handle to a | |
211 // compatible bitmap so we need to call ::GetDIBits() in order to retrieve | |
212 // the bitmap's header information. | |
213 BITMAPINFO bitmap_info; | |
214 ::ZeroMemory(&bitmap_info, sizeof(BITMAPINFO)); | |
215 bitmap_info.bmiHeader.biSize = sizeof(BITMAPINFO); | |
216 HDC hdc = ::GetDC(NULL); | |
217 int result = ::GetDIBits(hdc, | |
218 icon_info.hbmColor, | |
219 0, | |
220 kSmallIconWidth, | |
221 NULL, | |
222 &bitmap_info, | |
223 DIB_RGB_COLORS); | |
224 ASSERT_GT(result, 0); | |
225 EXPECT_EQ(bitmap_info.bmiHeader.biWidth, kSmallIconWidth); | |
226 EXPECT_EQ(bitmap_info.bmiHeader.biHeight, kSmallIconHeight); | |
227 EXPECT_EQ(bitmap_info.bmiHeader.biPlanes, 1); | |
228 EXPECT_EQ(bitmap_info.bmiHeader.biBitCount, 32); | |
229 ::ReleaseDC(NULL, hdc); | |
230 ::DestroyIcon(icon); | |
231 } | |
232 | |
233 // The following test case makes sure IconUtil::CreateIconFileFromSkBitmap | |
234 // creates a valid .ico file given an SkBitmap. | |
235 TEST_F(IconUtilTest, TestCreateIconFile) { | |
236 scoped_ptr<SkBitmap> bitmap; | |
237 std::wstring icon_filename(test_data_directory_); | |
238 file_util::AppendToPath(&icon_filename, kTempIconFilename); | |
239 | |
240 // Allocating the bitmap. | |
241 bitmap.reset(new SkBitmap); | |
242 ASSERT_NE(bitmap.get(), static_cast<SkBitmap*>(NULL)); | |
243 bitmap->setConfig(SkBitmap::kARGB_8888_Config, | |
244 kSmallIconWidth, | |
245 kSmallIconHeight); | |
246 bitmap->allocPixels(); | |
247 | |
248 // Setting the pixels to black. | |
249 memset(bitmap->getPixels(), 0, bitmap->width() * bitmap->height() * 4); | |
250 | |
251 EXPECT_TRUE(IconUtil::CreateIconFileFromSkBitmap(*bitmap, | |
252 icon_filename)); | |
253 | |
254 // We are currently only testing that it is possible to load an icon from | |
255 // the .ico file we just created. We don't really check the additional icon | |
256 // images created by IconUtil::CreateIconFileFromSkBitmap. | |
257 HICON icon = LoadIconFromFile(icon_filename, | |
258 kSmallIconWidth, | |
259 kSmallIconHeight); | |
260 EXPECT_NE(icon, static_cast<HICON>(NULL)); | |
261 if (icon != NULL) { | |
262 ::DestroyIcon(icon); | |
263 } | |
264 } | |
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