e19c8897ee
This patch basically uses the TRY() macro throughout PNGWriter instead of relying on the MUST()'ing wrappers in Vector and ByteBuffer. One FIXME was killed in the making of this patch. :^)
33 lines
762 B
C++
33 lines
762 B
C++
/*
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* Copyright (c) 2021, Pierre Hoffmeister
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* Copyright (c) 2021, 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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#pragma once
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#include <AK/Vector.h>
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#include <LibGfx/Forward.h>
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#include <LibGfx/PNGShared.h>
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namespace Gfx {
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class PNGChunk;
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class PNGWriter {
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public:
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static ErrorOr<ByteBuffer> encode(Gfx::Bitmap const&);
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private:
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PNGWriter() = default;
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Vector<u8> m_data;
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ErrorOr<void> add_chunk(PNGChunk&);
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ErrorOr<void> add_png_header();
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ErrorOr<void> add_IHDR_chunk(u32 width, u32 height, u8 bit_depth, PNG::ColorType color_type, u8 compression_method, u8 filter_method, u8 interlace_method);
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ErrorOr<void> add_IDAT_chunk(Gfx::Bitmap const&);
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ErrorOr<void> add_IEND_chunk();
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};
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}
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