mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 21:52:45 +00:00
ff6d82c3e7
This is done as a part of #19893. As `create()` is now the last user of `decode_png_ihdr()`, we can easily make it return an `ErrorOr`.
39 lines
1 KiB
C++
39 lines
1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibGfx/ImageFormats/ImageDecoder.h>
|
|
|
|
namespace Gfx {
|
|
|
|
struct PNGLoadingContext;
|
|
|
|
class PNGImageDecoderPlugin final : public ImageDecoderPlugin {
|
|
public:
|
|
static bool sniff(ReadonlyBytes);
|
|
static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
|
|
|
|
virtual ~PNGImageDecoderPlugin() 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;
|
|
virtual ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
|
|
|
|
private:
|
|
PNGImageDecoderPlugin(u8 const*, size_t);
|
|
bool ensure_image_data_chunk_was_decoded();
|
|
bool ensure_animation_frame_was_decoded(u32);
|
|
|
|
OwnPtr<PNGLoadingContext> m_context;
|
|
};
|
|
|
|
}
|