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// Copyright 2018 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_LOADER_IMAGE_IMAGE_ENCODER_H_
#define COBALT_LOADER_IMAGE_IMAGE_ENCODER_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "cobalt/loader/image/image.h"
#include "cobalt/math/size.h"
namespace cobalt {
namespace loader {
namespace image {
class EncodedStaticImage : public Image {
public:
enum class ImageFormat {
kPNG,
kWEBP,
};
EncodedStaticImage(ImageFormat image_format, scoped_array<uint8> memory,
uint32 size_in_bytes, const math::Size& image_dimensions);
ImageFormat GetImageFormat() const { return image_format_; }
uint8_t* GetMemory() { return memory_.get(); }
uint32 GetEstimatedSizeInBytes() const override { return size_in_bytes_; }
const math::Size& GetSize() const override { return image_dimensions_; }
bool IsOpaque() const override { return false; }
bool IsAnimated() const override { return false; }
private:
ImageFormat image_format_;
uint32 size_in_bytes_;
math::Size image_dimensions_;
scoped_array<uint8> memory_;
};
scoped_array<uint8> WriteRGBAPixelsToPNG(const uint8* const pixel_data,
const math::Size& dimensions,
size_t* out_num_bytes);
scoped_refptr<EncodedStaticImage> CompressRGBAImage(
EncodedStaticImage::ImageFormat desired_format,
const uint8* const image_data, const math::Size& dimensions);
} // namespace image
} // namespace loader
} // namespace cobalt
#endif // COBALT_LOADER_IMAGE_IMAGE_ENCODER_H_