| // 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::MakeUnique<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 |