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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/suggestions/image_encoder.h"
#include <stddef.h>
#import <UIKit/UIKit.h>
#include "base/mac/scoped_cftyperef.h"
#include "base/memory/ptr_util.h"
#include "skia/ext/skia_utils_ios.h"
namespace suggestions {
std::unique_ptr<SkBitmap> DecodeJPEGToSkBitmap(const void* encoded_data,
size_t size) {
NSData* data = [NSData dataWithBytes:encoded_data length:size];
UIImage* image = [UIImage imageWithData:data scale:1.0];
return base::WrapUnique(
new SkBitmap(skia::CGImageToSkBitmap(image.CGImage, [image size], YES)));
}
bool EncodeSkBitmapToJPEG(const SkBitmap& bitmap,
std::vector<unsigned char>* dest) {
base::ScopedCFTypeRef<CGColorSpaceRef> color_space(
CGColorSpaceCreateDeviceRGB());
UIImage* image =
skia::SkBitmapToUIImageWithColorSpace(bitmap, 1 /* scale */, color_space);
NSData* data = UIImageJPEGRepresentation(image, 1.0);
const char* bytes = reinterpret_cast<const char*>([data bytes]);
dest->assign(bytes, bytes + [data length]);
return true;
}
} // namespace suggestions
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