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https://github.com/LadybirdBrowser/ladybird.git
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d4d3c3f262
As we directly write to the stream, we don't need to store a copy of the entire image in memory. However, writing to a stream is heavier on the CPU than to a ByteBuffer. This commit unfortunately makes `add_pixels` two times slower.
39 lines
898 B
C++
39 lines
898 B
C++
/*
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* Copyright (c) 2023, Lucas Chollet <lucas.chollet@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <LibGfx/Bitmap.h>
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namespace Gfx {
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// This is not a nested struct to work around https://llvm.org/PR36684
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struct PortableFormatWriterOptions {
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enum class Format {
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ASCII,
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Raw,
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};
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Format format = Format::Raw;
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StringView comment = "Generated with SerenityOS - LibGfx."sv;
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};
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class PortableFormatWriter {
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public:
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using Options = PortableFormatWriterOptions;
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static ErrorOr<void> encode(Stream&, Bitmap const&, Options options = Options {});
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private:
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PortableFormatWriter() = delete;
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static ErrorOr<void> add_header(Stream&, Options const& options, u32 width, u32 height, u32 max_value);
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static ErrorOr<void> add_pixels(Stream&, Options const& options, Bitmap const&);
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};
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}
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