mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 01:20:25 +00:00
40 lines
1,013 B
C++
40 lines
1,013 B
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/MemoryStream.h>
|
|
#include <LibGfx/Bitmap.h>
|
|
#include <LibGfx/ImageFormats/ImageDecoder.h>
|
|
|
|
namespace Gfx {
|
|
|
|
struct GIFLoadingContext;
|
|
|
|
// Specified at: https://www.w3.org/Graphics/GIF/spec-gif89a.txt
|
|
|
|
class GIFImageDecoderPlugin final : public ImageDecoderPlugin {
|
|
public:
|
|
static bool sniff(ReadonlyBytes);
|
|
static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
|
|
|
|
virtual ~GIFImageDecoderPlugin() override;
|
|
|
|
virtual IntSize size() 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, Optional<IntSize> ideal_size = {}) override;
|
|
|
|
private:
|
|
GIFImageDecoderPlugin(FixedMemoryStream);
|
|
|
|
OwnPtr<GIFLoadingContext> m_context;
|
|
};
|
|
|
|
}
|