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serenity/Userland/Libraries/LibGfx/PortableFormatWriter.h
Lucas CHOLLET 9c9bd271c8 LibGfx/PortableFormat: Add PortableFormatWriter
Currently, the encoder only output ppm files, but it can easily be
extended to support both PBM and PGM.
2023-03-13 15:15:41 +00:00

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903 B
C++

/*
* Copyright (c) 2023, Lucas Chollet <lucas.chollet@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <LibGfx/Bitmap.h>
namespace Gfx {
// This is not a nested struct to work around https://llvm.org/PR36684
struct PortableFormatWriterOptions {
enum class Format {
ASCII,
Raw,
};
Format format = Format::Raw;
StringView comment = "Generated with SerenityOS - LibGfx."sv;
};
class PortableFormatWriter {
public:
using Options = PortableFormatWriterOptions;
static ErrorOr<ByteBuffer> encode(Bitmap const&, Options options = Options {});
private:
PortableFormatWriter() = delete;
static ErrorOr<void> add_header(ByteBuffer&, Options const& options, u32 width, u32 height, u32 max_value);
static ErrorOr<void> add_pixels(ByteBuffer&, Options const& options, Bitmap const&);
};
}