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https://github.com/RGBCube/serenity
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786b02730c
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.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/*
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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 PPM {
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static constexpr auto ascii_magic_number = '3';
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static constexpr auto binary_magic_number = '6';
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static constexpr StringView image_type = "PPM";
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u16 max_val { 0 };
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};
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using PPMLoadingContext = PortableImageMapLoadingContext<PPM>;
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class PPMImageDecoderPlugin final : public ImageDecoderPlugin {
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public:
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PPMImageDecoderPlugin(const u8*, size_t);
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virtual ~PPMImageDecoderPlugin() override;
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virtual IntSize size() override;
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virtual void set_volatile() override;
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[[nodiscard]] virtual bool set_nonvolatile(bool& was_purged) override;
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virtual bool sniff() override;
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virtual bool is_animated() override;
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virtual size_t loop_count() override;
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virtual size_t frame_count() override;
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virtual ErrorOr<ImageFrameDescriptor> frame(size_t index) override;
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private:
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OwnPtr<PPMLoadingContext> m_context;
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};
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}
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