[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/user_image.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/chromeos/login/user_image.h"
-
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/gfx/codec/jpeg_codec.h"
-
-#include "base/debug/trace_event.h"
-
-namespace chromeos {
-
-namespace {
-
-// Default quality for encoding user images.
-const int kDefaultEncodingQuality = 90;
-
-bool IsAnimatedImage(const UserImage::RawImage& data) {
-  const char kGIFStamp[] = "GIF";
-  const size_t kGIFStampLength = sizeof(kGIFStamp) - 1;
-
-  if (data.size() >= kGIFStampLength &&
-      memcmp(&data[0], kGIFStamp, kGIFStampLength) == 0) {
-    return true;
-  }
-  return false;
-}
-
-bool EncodeImageSkia(const gfx::ImageSkia& image,
-                     std::vector<unsigned char>* output) {
-  TRACE_EVENT2("oobe", "EncodeImageSkia",
-               "width", image.width(), "height", image.height());
-  if (image.isNull())
-    return false;
-  const SkBitmap& bitmap = *image.bitmap();
-  SkAutoLockPixels lock_image(bitmap);
-  return gfx::JPEGCodec::Encode(
-      reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
-      gfx::JPEGCodec::FORMAT_SkBitmap,
-      bitmap.width(),
-      bitmap.height(),
-      bitmap.width() * bitmap.bytesPerPixel(),
-      kDefaultEncodingQuality, output);
-}
-
-}  // namespace
-
-// static
-UserImage UserImage::CreateAndEncode(const gfx::ImageSkia& image) {
-  RawImage raw_image;
-  if (EncodeImageSkia(image, &raw_image)) {
-    UserImage result(image, raw_image);
-    result.MarkAsSafe();
-    return result;
-  }
-  return UserImage(image);
-}
-
-UserImage::UserImage()
-    : has_raw_image_(false),
-      has_animated_image_(false),
-      is_safe_format_(false) {
-}
-
-UserImage::UserImage(const gfx::ImageSkia& image)
-    : image_(image),
-      has_raw_image_(false),
-      has_animated_image_(false),
-      is_safe_format_(false) {
-}
-
-UserImage::UserImage(const gfx::ImageSkia& image,
-                     const RawImage& raw_image)
-    : image_(image),
-      has_raw_image_(false),
-      has_animated_image_(false),
-      is_safe_format_(false) {
-  if (IsAnimatedImage(raw_image)) {
-    has_animated_image_ = true;
-    animated_image_ = raw_image;
-    if (EncodeImageSkia(image_, &raw_image_)) {
-      has_raw_image_ = true;
-      MarkAsSafe();
-    }
-  } else {
-    has_raw_image_ = true;
-    raw_image_ = raw_image;
-  }
-}
-
-UserImage::~UserImage() {}
-
-void UserImage::DiscardRawImage() {
-  RawImage().swap(raw_image_);  // Clear |raw_image_|.
-}
-
-void UserImage::MarkAsSafe() {
-  is_safe_format_ = true;
-}
-
-}  // namespace chromeos