ladybird/Userland/Libraries/LibGfx/ImageFormats/BMPLoader.h
Lucas CHOLLET 806808f406 LibGfx: Provide a default implementation for animation-related methods
Most image decoders that we have only support non-animated images,
providing a default implementation for them allows to remove quite some
code.
2023-07-18 14:34:35 +01:00

44 lines
1.2 KiB
C++

/*
* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/ImageFormats/ICOLoader.h>
#include <LibGfx/ImageFormats/ImageDecoder.h>
namespace Gfx {
struct BMPLoadingContext;
class ICOImageDecoderPlugin;
class BMPImageDecoderPlugin final : public ImageDecoderPlugin {
public:
static bool sniff(ReadonlyBytes);
static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
static ErrorOr<NonnullOwnPtr<BMPImageDecoderPlugin>> create_as_included_in_ico(Badge<ICOImageDecoderPlugin>, ReadonlyBytes);
enum class IncludedInICO {
Yes,
No,
};
virtual ~BMPImageDecoderPlugin() override;
virtual IntSize size() override;
bool sniff_dib();
virtual ErrorOr<ImageFrameDescriptor> frame(size_t index, Optional<IntSize> ideal_size = {}) override;
virtual ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
private:
BMPImageDecoderPlugin(u8 const*, size_t, IncludedInICO included_in_ico = IncludedInICO::No);
static ErrorOr<NonnullOwnPtr<BMPImageDecoderPlugin>> create_impl(ReadonlyBytes, IncludedInICO);
OwnPtr<BMPLoadingContext> m_context;
};
}