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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/OwnPtr.h>
#include <AK/RefCounted.h>
#include <LibGfx/Size.h>
namespace Gfx {
class Bitmap;
class ImageDecoderPlugin {
public:
virtual ~ImageDecoderPlugin() {}
virtual Size size() = 0;
virtual RefPtr<Gfx::Bitmap> bitmap() = 0;
virtual void set_volatile() = 0;
[[nodiscard]] virtual bool set_nonvolatile() = 0;
protected:
ImageDecoderPlugin() {}
};
class ImageDecoder : public RefCounted<ImageDecoder> {
public:
static NonnullRefPtr<ImageDecoder> create(const u8* data, size_t size) { return adopt(*new ImageDecoder(data, size)); }
~ImageDecoder();
Size size() const { return m_plugin->size(); }
int width() const { return size().width(); }
int height() const { return size().height(); }
RefPtr<Gfx::Bitmap> bitmap() const;
void set_volatile() { m_plugin->set_volatile(); }
[[nodiscard]] bool set_nonvolatile() { return m_plugin->set_nonvolatile(); }
private:
ImageDecoder(const u8*, size_t);
mutable OwnPtr<ImageDecoderPlugin> m_plugin;
};
}
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