ladybird/Userland/Libraries/LibGfx/JPGLoader.h
2021-01-12 12:17:46 +01:00

59 lines
2.3 KiB
C++

/*
* Copyright (c) 2020, The SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Vector.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageDecoder.h>
#include <LibGfx/Size.h>
namespace Gfx {
RefPtr<Gfx::Bitmap> load_jpg(const StringView& path);
RefPtr<Gfx::Bitmap> load_jpg_from_memory(const u8* data, size_t length);
struct JPGLoadingContext;
class JPGImageDecoderPlugin : public ImageDecoderPlugin {
public:
virtual ~JPGImageDecoderPlugin() override;
JPGImageDecoderPlugin(const u8*, size_t);
virtual IntSize size() override;
virtual RefPtr<Gfx::Bitmap> bitmap() override;
virtual void set_volatile() override;
[[nodiscard]] virtual bool set_nonvolatile() override;
virtual bool sniff() override;
virtual bool is_animated() override;
virtual size_t loop_count() override;
virtual size_t frame_count() override;
virtual ImageFrameDescriptor frame(size_t i) override;
private:
OwnPtr<JPGLoadingContext> m_context;
};
}