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/*
* 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.
*/
#include <AK/SharedBuffer.h>
#include <LibImageDecoderClient/Client.h>
namespace ImageDecoderClient {
Client::Client()
: IPC::ServerConnection<ImageDecoderClientEndpoint, ImageDecoderServerEndpoint>(*this, "/tmp/portal/image")
{
handshake();
}
void Client::handshake()
{
auto response = send_sync<Messages::ImageDecoderServer::Greet>(getpid());
set_my_client_id(response->client_id());
set_server_pid(response->server_pid());
}
void Client::handle(const Messages::ImageDecoderClient::Dummy&)
{
}
RefPtr<Gfx::Bitmap> Client::decode_image(const ByteBuffer& encoded_data)
{
if (encoded_data.is_empty())
return nullptr;
auto encoded_buffer = SharedBuffer::create_with_size(encoded_data.size());
if (!encoded_buffer) {
dbg() << "Could not allocate encoded shbuf";
return nullptr;
}
memcpy(encoded_buffer->data(), encoded_data.data(), encoded_data.size());
encoded_buffer->seal();
encoded_buffer->share_with(server_pid());
auto response = send_sync<Messages::ImageDecoderServer::DecodeImage>(encoded_buffer->shbuf_id(), encoded_data.size());
auto bitmap_format = (Gfx::BitmapFormat)response->bitmap_format();
if (bitmap_format == Gfx::BitmapFormat::Invalid) {
#ifdef IMAGE_DECODER_CLIENT_DEBUG
dbg() << "Response image was invalid";
#endif
return nullptr;
}
if (response->size().is_empty()) {
dbg() << "Response image was empty";
return nullptr;
}
auto decoded_buffer = SharedBuffer::create_from_shbuf_id(response->decoded_shbuf_id());
if (!decoded_buffer) {
dbg() << "Could not map decoded image shbuf_id=" << response->decoded_shbuf_id();
return nullptr;
}
return Gfx::Bitmap::create_with_shared_buffer(bitmap_format, decoded_buffer.release_nonnull(), response->size(), response->palette());
}
}
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