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