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LibGfx: Commonize P[BGP]M file loading contexts
Much of the code in PBM, PGM, and PPM image loaders is common. The contexts are nearly identical. Instead of writing multiple contexts, write 1 with a template argument to pass in the details of the given format.
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8 changed files with 109 additions and 124 deletions
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/*
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* Copyright (c) 2020, Hüseyin ASLITÜRK <asliturk@hotmail.com>
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* Copyright (c) 2022, the SerenityOS developers.
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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/StringView.h>
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#include <LibGfx/ImageDecoder.h>
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#include <LibGfx/PortableImageMapLoader.h>
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namespace Gfx {
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struct PGMLoadingContext;
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struct PGM {
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static constexpr auto ascii_magic_number = '2';
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static constexpr auto binary_magic_number = '5';
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static constexpr StringView image_type = "PGM";
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u16 max_val { 0 };
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};
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using PGMLoadingContext = PortableImageMapLoadingContext<PGM>;
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class PGMImageDecoderPlugin final : public ImageDecoderPlugin {
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public:
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