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https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
61 lines
2 KiB
C++
61 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Debug.h>
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#include <ImageDecoder/ConnectionFromClient.h>
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#include <ImageDecoder/ImageDecoderClientEndpoint.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/ImageDecoder.h>
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namespace ImageDecoder {
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ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::Stream::LocalSocket> socket)
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: IPC::ConnectionFromClient<ImageDecoderClientEndpoint, ImageDecoderServerEndpoint>(*this, move(socket), 1)
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{
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}
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void ConnectionFromClient::die()
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{
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Core::EventLoop::current().quit(0);
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}
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Messages::ImageDecoderServer::DecodeImageResponse ConnectionFromClient::decode_image(Core::AnonymousBuffer const& encoded_buffer)
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{
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if (!encoded_buffer.is_valid()) {
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dbgln_if(IMAGE_DECODER_DEBUG, "Encoded data is invalid");
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return nullptr;
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}
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auto decoder = Gfx::ImageDecoder::try_create(ReadonlyBytes { encoded_buffer.data<u8>(), encoded_buffer.size() });
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if (!decoder) {
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dbgln_if(IMAGE_DECODER_DEBUG, "Could not find suitable image decoder plugin for data");
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return { false, 0, Vector<Gfx::ShareableBitmap> {}, Vector<u32> {} };
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}
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if (!decoder->frame_count()) {
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dbgln_if(IMAGE_DECODER_DEBUG, "Could not decode image from encoded data");
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return { false, 0, Vector<Gfx::ShareableBitmap> {}, Vector<u32> {} };
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}
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Vector<Gfx::ShareableBitmap> bitmaps;
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Vector<u32> durations;
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for (size_t i = 0; i < decoder->frame_count(); ++i) {
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auto frame_or_error = decoder->frame(i);
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if (frame_or_error.is_error()) {
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bitmaps.append(Gfx::ShareableBitmap {});
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durations.append(0);
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} else {
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auto frame = frame_or_error.release_value();
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bitmaps.append(frame.image->to_shareable_bitmap());
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durations.append(frame.duration);
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}
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}
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return { decoder->is_animated(), static_cast<u32>(decoder->loop_count()), bitmaps, durations };
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}
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}
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