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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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