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| 1 // Copyright 2014 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 "chrome/browser/chromeos/login/users/avatar/user_image.h" | |
| 6 | |
| 7 #include "base/debug/trace_event.h" | |
| 8 #include "third_party/skia/include/core/SkBitmap.h" | |
| 9 #include "ui/gfx/codec/jpeg_codec.h" | |
| 10 | |
| 11 namespace chromeos { | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 // Default quality for encoding user images. | |
| 16 const int kDefaultEncodingQuality = 90; | |
| 17 | |
| 18 bool IsAnimatedImage(const UserImage::RawImage& data) { | |
| 19 const char kGIFStamp[] = "GIF"; | |
| 20 const size_t kGIFStampLength = sizeof(kGIFStamp) - 1; | |
| 21 | |
| 22 if (data.size() >= kGIFStampLength && | |
| 23 memcmp(&data[0], kGIFStamp, kGIFStampLength) == 0) { | |
| 24 return true; | |
| 25 } | |
| 26 return false; | |
| 27 } | |
| 28 | |
| 29 bool EncodeImageSkia(const gfx::ImageSkia& image, | |
| 30 std::vector<unsigned char>* output) { | |
| 31 TRACE_EVENT2("oobe", "EncodeImageSkia", | |
| 32 "width", image.width(), "height", image.height()); | |
| 33 if (image.isNull()) | |
| 34 return false; | |
| 35 const SkBitmap& bitmap = *image.bitmap(); | |
| 36 SkAutoLockPixels lock_image(bitmap); | |
| 37 return gfx::JPEGCodec::Encode( | |
| 38 reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)), | |
| 39 gfx::JPEGCodec::FORMAT_SkBitmap, | |
| 40 bitmap.width(), | |
| 41 bitmap.height(), | |
| 42 bitmap.width() * bitmap.bytesPerPixel(), | |
| 43 kDefaultEncodingQuality, output); | |
| 44 } | |
| 45 | |
| 46 } // namespace | |
| 47 | |
| 48 // static | |
| 49 UserImage UserImage::CreateAndEncode(const gfx::ImageSkia& image) { | |
| 50 RawImage raw_image; | |
| 51 if (EncodeImageSkia(image, &raw_image)) { | |
| 52 UserImage result(image, raw_image); | |
| 53 result.MarkAsSafe(); | |
| 54 return result; | |
| 55 } | |
| 56 return UserImage(image); | |
| 57 } | |
| 58 | |
| 59 UserImage::UserImage() | |
| 60 : has_raw_image_(false), | |
| 61 has_animated_image_(false), | |
| 62 is_safe_format_(false) { | |
| 63 } | |
| 64 | |
| 65 UserImage::UserImage(const gfx::ImageSkia& image) | |
| 66 : image_(image), | |
| 67 has_raw_image_(false), | |
| 68 has_animated_image_(false), | |
| 69 is_safe_format_(false) { | |
| 70 } | |
| 71 | |
| 72 UserImage::UserImage(const gfx::ImageSkia& image, | |
| 73 const RawImage& raw_image) | |
| 74 : image_(image), | |
| 75 has_raw_image_(false), | |
| 76 has_animated_image_(false), | |
| 77 is_safe_format_(false) { | |
| 78 if (IsAnimatedImage(raw_image)) { | |
| 79 has_animated_image_ = true; | |
| 80 animated_image_ = raw_image; | |
| 81 if (EncodeImageSkia(image_, &raw_image_)) { | |
| 82 has_raw_image_ = true; | |
| 83 MarkAsSafe(); | |
| 84 } | |
| 85 } else { | |
| 86 has_raw_image_ = true; | |
| 87 raw_image_ = raw_image; | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 UserImage::~UserImage() {} | |
| 92 | |
| 93 void UserImage::DiscardRawImage() { | |
| 94 RawImage().swap(raw_image_); // Clear |raw_image_|. | |
| 95 } | |
| 96 | |
| 97 void UserImage::MarkAsSafe() { | |
| 98 is_safe_format_ = true; | |
| 99 } | |
| 100 | |
| 101 } // namespace chromeos | |
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Chromium Code Reviews
Issue 376193002:
Move UserImage to user_manager (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src