ladybird/Userland/Libraries/LibImageDecoderClient/Client.h

/*
 * Copyright (c) 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/HashMap.h>
#include <ImageDecoder/ImageDecoderClientEndpoint.h>
#include <ImageDecoder/ImageDecoderServerEndpoint.h>
#include <LibIPC/ServerConnection.h>

namespace ImageDecoderClient {

struct Frame {
    RefPtr<Gfx::Bitmap> bitmap;
    u32 duration { 0 };
};

struct DecodedImage {
    bool is_animated { false };
    u32 loop_count { 0 };
    Vector<Frame> frames;
};

class Client
    : public IPC::ServerConnection<ImageDecoderClientEndpoint, ImageDecoderServerEndpoint>
    , public ImageDecoderClientEndpoint {
    C_OBJECT(Client);

public:
    virtual void handshake() override;

    Optional<DecodedImage> decode_image(const ByteBuffer&);

private:
    Client();

    virtual void handle(const Messages::ImageDecoderClient::Dummy&) override;
};

}