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7399874479
If we're sharing buffers, we only want to share trivial structures as anything else could potentially share internal pointers, which most likely is going to cause problems due to different address spaces. Fix the GUI::SystemTheme structure, which was not trivial, which is now caught at compile time. Fixes #3650
88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/SharedBuffer.h>
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#include <LibImageDecoderClient/Client.h>
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namespace ImageDecoderClient {
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Client::Client()
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: IPC::ServerConnection<ImageDecoderClientEndpoint, ImageDecoderServerEndpoint>(*this, "/tmp/portal/image")
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{
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handshake();
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}
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void Client::handshake()
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{
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auto response = send_sync<Messages::ImageDecoderServer::Greet>(getpid());
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set_my_client_id(response->client_id());
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set_server_pid(response->server_pid());
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}
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void Client::handle(const Messages::ImageDecoderClient::Dummy&)
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{
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}
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RefPtr<Gfx::Bitmap> Client::decode_image(const ByteBuffer& encoded_data)
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{
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if (encoded_data.is_empty())
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return nullptr;
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auto encoded_buffer = SharedBuffer::create_with_size(encoded_data.size());
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if (!encoded_buffer) {
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dbg() << "Could not allocate encoded shbuf";
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return nullptr;
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}
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memcpy(encoded_buffer->data<void>(), encoded_data.data(), encoded_data.size());
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encoded_buffer->seal();
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encoded_buffer->share_with(server_pid());
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auto response = send_sync<Messages::ImageDecoderServer::DecodeImage>(encoded_buffer->shbuf_id(), encoded_data.size());
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auto bitmap_format = (Gfx::BitmapFormat)response->bitmap_format();
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if (bitmap_format == Gfx::BitmapFormat::Invalid) {
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#ifdef IMAGE_DECODER_CLIENT_DEBUG
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dbg() << "Response image was invalid";
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#endif
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return nullptr;
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}
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if (response->size().is_empty()) {
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dbg() << "Response image was empty";
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return nullptr;
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}
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auto decoded_buffer = SharedBuffer::create_from_shbuf_id(response->decoded_shbuf_id());
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if (!decoded_buffer) {
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dbg() << "Could not map decoded image shbuf_id=" << response->decoded_shbuf_id();
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return nullptr;
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}
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return Gfx::Bitmap::create_with_shared_buffer(bitmap_format, decoded_buffer.release_nonnull(), response->size(), response->palette());
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}
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}
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