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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* 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 <LibWeb/Loader/Resource.h>
namespace Web {
class ImageResource final : public Resource {
friend class Resource;
public:
virtual ~ImageResource() override;
struct Frame {
RefPtr<Gfx::Bitmap> bitmap;
size_t duration { 0 };
};
const Gfx::Bitmap* bitmap(size_t frame_index = 0) const;
int frame_duration(size_t frame_index) const;
size_t frame_count() const
{
decode_if_needed();
return m_decoded_frames.size();
}
bool is_animated() const
{
decode_if_needed();
return m_animated;
}
size_t loop_count() const
{
decode_if_needed();
return m_loop_count;
}
void update_volatility();
private:
explicit ImageResource(const LoadRequest&);
void decode_if_needed() const;
mutable bool m_animated { false };
mutable int m_loop_count { 0 };
mutable Vector<Frame> m_decoded_frames;
mutable bool m_has_attempted_decode { false };
};
class ImageResourceClient : public ResourceClient {
public:
virtual ~ImageResourceClient();
virtual bool is_visible_in_viewport() const { return false; }
protected:
ImageResource* resource() { return static_cast<ImageResource*>(ResourceClient::resource()); }
const ImageResource* resource() const { return static_cast<const ImageResource*>(ResourceClient::resource()); }
private:
virtual Resource::Type client_type() const override { return Resource::Type::Image; }
};
}
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