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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef UI_GFX_ICON_UTIL_H_ | 5 #ifndef UI_GFX_ICON_UTIL_H_ |
| 6 #define UI_GFX_ICON_UTIL_H_ | 6 #define UI_GFX_ICON_UTIL_H_ |
| 7 | 7 |
| 8 #include <windows.h> | 8 #include <windows.h> |
| 9 #include <stddef.h> |
| 10 #include <stdint.h> |
| 9 #include <string> | 11 #include <string> |
| 10 #include <vector> | 12 #include <vector> |
| 11 | 13 |
| 12 #include "base/basictypes.h" | 14 #include "base/macros.h" |
| 13 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
| 14 #include "base/win/scoped_gdi_object.h" | 16 #include "base/win/scoped_gdi_object.h" |
| 15 #include "ui/gfx/geometry/point.h" | 17 #include "ui/gfx/geometry/point.h" |
| 16 #include "ui/gfx/geometry/size.h" | 18 #include "ui/gfx/geometry/size.h" |
| 17 #include "ui/gfx/gfx_export.h" | 19 #include "ui/gfx/gfx_export.h" |
| 18 | 20 |
| 19 namespace base { | 21 namespace base { |
| 20 class FilePath; | 22 class FilePath; |
| 21 } | 23 } |
| 22 | 24 |
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| 197 BITMAPINFOHEADER icHeader; | 199 BITMAPINFOHEADER icHeader; |
| 198 RGBQUAD icColors[1]; | 200 RGBQUAD icColors[1]; |
| 199 BYTE icXOR[1]; | 201 BYTE icXOR[1]; |
| 200 BYTE icAND[1]; | 202 BYTE icAND[1]; |
| 201 }; | 203 }; |
| 202 #pragma pack(pop) | 204 #pragma pack(pop) |
| 203 | 205 |
| 204 friend class IconUtilTest; | 206 friend class IconUtilTest; |
| 205 | 207 |
| 206 // Returns true if any pixel in the given pixels buffer has an non-zero alpha. | 208 // Returns true if any pixel in the given pixels buffer has an non-zero alpha. |
| 207 static bool PixelsHaveAlpha(const uint32* pixels, size_t num_pixels); | 209 static bool PixelsHaveAlpha(const uint32_t* pixels, size_t num_pixels); |
| 208 | 210 |
| 209 // A helper function that initializes a BITMAPV5HEADER structure with a set | 211 // A helper function that initializes a BITMAPV5HEADER structure with a set |
| 210 // of values. | 212 // of values. |
| 211 static void InitializeBitmapHeader(BITMAPV5HEADER* header, int width, | 213 static void InitializeBitmapHeader(BITMAPV5HEADER* header, int width, |
| 212 int height); | 214 int height); |
| 213 | 215 |
| 214 // Given a single SkBitmap object and pointers to the corresponding icon | 216 // Given a single SkBitmap object and pointers to the corresponding icon |
| 215 // structures within the icon data buffer, this function sets the image | 217 // structures within the icon data buffer, this function sets the image |
| 216 // information (dimensions, color depth, etc.) in the icon structures and | 218 // information (dimensions, color depth, etc.) in the icon structures and |
| 217 // also copies the underlying icon image into the appropriate location. | 219 // also copies the underlying icon image into the appropriate location. |
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| 263 // A helper function of CreateSkBitmapFromHICON. | 265 // A helper function of CreateSkBitmapFromHICON. |
| 264 static SkBitmap CreateSkBitmapFromHICONHelper(HICON icon, | 266 static SkBitmap CreateSkBitmapFromHICONHelper(HICON icon, |
| 265 const gfx::Size& s); | 267 const gfx::Size& s); |
| 266 | 268 |
| 267 // Prevent clients from instantiating objects of that class by declaring the | 269 // Prevent clients from instantiating objects of that class by declaring the |
| 268 // ctor/dtor as private. | 270 // ctor/dtor as private. |
| 269 DISALLOW_IMPLICIT_CONSTRUCTORS(IconUtil); | 271 DISALLOW_IMPLICIT_CONSTRUCTORS(IconUtil); |
| 270 }; | 272 }; |
| 271 | 273 |
| 272 #endif // UI_GFX_ICON_UTIL_H_ | 274 #endif // UI_GFX_ICON_UTIL_H_ |
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