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// Copyright 2014 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 "components/user_manager/user_image/user_image.h"
#include "base/trace_event/trace_event.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/codec/jpeg_codec.h"
namespace user_manager {
namespace {
// Default quality for encoding user images.
const int kDefaultEncodingQuality = 90;
} // namespace
// static
scoped_ptr<UserImage::Bytes> UserImage::Encode(const SkBitmap& bitmap) {
TRACE_EVENT2("oobe", "UserImage::Encode",
"width", bitmap.width(), "height", bitmap.height());
SkAutoLockPixels lock_bitmap(bitmap);
scoped_ptr<Bytes> output(new Bytes);
if (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.get())) {
return output;
} else {
return nullptr;
}
}
// static
UserImage UserImage::CreateAndEncode(const gfx::ImageSkia& image) {
if (image.isNull())
return UserImage();
scoped_ptr<Bytes> image_bytes = Encode(*image.bitmap());
if (image_bytes) {
UserImage result(image, *image_bytes);
result.MarkAsSafe();
return result;
}
return UserImage(image);
}
UserImage::UserImage()
: has_image_bytes_(false),
is_safe_format_(false) {
}
UserImage::UserImage(const gfx::ImageSkia& image)
: image_(image),
has_image_bytes_(false),
is_safe_format_(false) {
}
UserImage::UserImage(const gfx::ImageSkia& image,
const Bytes& image_bytes)
: image_(image),
has_image_bytes_(false),
is_safe_format_(false) {
has_image_bytes_ = true;
image_bytes_ = image_bytes;
}
UserImage::~UserImage() {}
void UserImage::MarkAsSafe() {
is_safe_format_ = true;
}
} // namespace user_manager
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