ladybird/Userland/Libraries/LibGfx/ImageFormats/TGALoader.h
Tom e7921cfe14 LibGfx: Add first_animated_frame_index method to ImageDecoder
Some image formats such as APNG may not use the first frame for
animations.
2023-05-05 15:20:44 +01:00

39 lines
1.1 KiB
C++

/*
* Copyright (c) 2022, Tom Needham <06needhamt@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/ImageFormats/ImageDecoder.h>
namespace Gfx {
struct TGALoadingContext;
class TGAImageDecoderPlugin final : public ImageDecoderPlugin {
public:
static ErrorOr<bool> validate_before_create(ReadonlyBytes);
static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
virtual ~TGAImageDecoderPlugin() override;
TGAImageDecoderPlugin(u8 const*, size_t);
virtual IntSize size() override;
virtual void set_volatile() override;
[[nodiscard]] virtual bool set_nonvolatile(bool& was_purged) override;
virtual bool initialize() override;
virtual bool is_animated() override;
virtual size_t loop_count() override;
virtual size_t frame_count() override;
virtual size_t first_animated_frame_index() override;
virtual ErrorOr<ImageFrameDescriptor> frame(size_t index) override;
virtual ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
private:
bool decode_tga_header();
OwnPtr<TGALoadingContext> m_context;
};
}