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serenity/Userland/Libraries/LibGfx/PBMLoader.h
Andreas Kling 5a79c69b02 LibGfx: Make ImageDecoderPlugin::frame() return ErrorOr<>
This is a first step towards better error propagation from image codecs.
2021-11-21 20:22:48 +01:00

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C++

/*
* Copyright (c) 2020, Hüseyin ASLITÜRK <asliturk@hotmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/ImageDecoder.h>
namespace Gfx {
struct PBMLoadingContext;
class PBMImageDecoderPlugin final : public ImageDecoderPlugin {
public:
PBMImageDecoderPlugin(const u8*, size_t);
virtual ~PBMImageDecoderPlugin() override;
virtual IntSize size() override;
virtual void set_volatile() override;
[[nodiscard]] virtual bool set_nonvolatile(bool& was_purged) override;
virtual bool sniff() override;
virtual bool is_animated() override;
virtual size_t loop_count() override;
virtual size_t frame_count() override;
virtual ErrorOr<ImageFrameDescriptor> frame(size_t index) override;
private:
OwnPtr<PBMLoadingContext> m_context;
};
}