714cf827db
Moving 2D canvas rasterization into the Compositor process needs a wire format for canvas mutations that does not depend on LibWeb state. Add CanvasCommandList as an apply-once log of drawing operations whose operands are Gfx value types and whose IPC encoders can be shared by WebContent and the compositor side.
69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <andreas@ladybird.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/ByteString.h>
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#include <LibGfx/Rect.h>
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#include <LibIPC/Decoder.h>
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#include <LibIPC/Encoder.h>
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namespace Gfx {
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template<>
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ByteString IntRect::to_byte_string() const
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{
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return ByteString::formatted("[{},{} {}x{}]", x(), y(), width(), height());
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}
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template<>
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ByteString FloatRect::to_byte_string() const
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{
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return ByteString::formatted("[{},{} {}x{}]", x(), y(), width(), height());
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}
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}
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namespace IPC {
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template<>
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ErrorOr<void> encode(Encoder& encoder, Gfx::IntRect const& rect)
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{
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TRY(encoder.encode(rect.location()));
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TRY(encoder.encode(rect.size()));
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return {};
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}
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template<>
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ErrorOr<Gfx::IntRect> decode(Decoder& decoder)
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{
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auto point = TRY(decoder.decode<Gfx::IntPoint>());
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auto size = TRY(decoder.decode<Gfx::IntSize>());
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return Gfx::IntRect { point, size };
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}
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template<>
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ErrorOr<void> encode(Encoder& encoder, Gfx::FloatRect const& rect)
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{
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TRY(encoder.encode(rect.x()));
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TRY(encoder.encode(rect.y()));
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TRY(encoder.encode(rect.width()));
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TRY(encoder.encode(rect.height()));
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return {};
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}
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template<>
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ErrorOr<Gfx::FloatRect> decode(Decoder& decoder)
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{
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auto x = TRY(decoder.decode<float>());
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auto y = TRY(decoder.decode<float>());
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auto width = TRY(decoder.decode<float>());
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auto height = TRY(decoder.decode<float>());
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return Gfx::FloatRect { x, y, width, height };
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}
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}
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template class Gfx::Rect<int>;
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template class Gfx::Rect<float>;
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