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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 <AK/HashTable.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/Vector.h>
#include <LibGUI/Forward.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Rect.h>
#include <LibGfx/Size.h>
namespace PixelPaint {
class Layer;
class ImageClient {
public:
virtual void image_did_add_layer(size_t) { }
virtual void image_did_remove_layer(size_t) { }
virtual void image_did_modify_layer(size_t) { }
virtual void image_did_modify_layer_stack() {}
virtual void image_did_change() { }
};
class Image : public RefCounted<Image> {
public:
static RefPtr<Image> create_with_size(const Gfx::Size&);
size_t layer_count() const { return m_layers.size(); }
const Layer& layer(size_t index) const { return m_layers.at(index); }
Layer& layer(size_t index) { return m_layers.at(index); }
const Gfx::Size& size() const { return m_size; }
Gfx::Rect rect() const { return { {}, m_size }; }
void add_layer(NonnullRefPtr<Layer>);
void paint_into(GUI::Painter&, const Gfx::Rect& dest_rect);
void move_layer_to_front(Layer&);
void move_layer_to_back(Layer&);
void move_layer_up(Layer&);
void move_layer_down(Layer&);
void change_layer_index(size_t old_index, size_t new_index);
void remove_layer(Layer&);
void add_client(ImageClient&);
void remove_client(ImageClient&);
void layer_did_modify_bitmap(Badge<Layer>, const Layer&);
size_t index_of(const Layer&) const;
private:
explicit Image(const Gfx::Size&);
void did_change();
void did_modify_layer_stack();
Gfx::Size m_size;
NonnullRefPtrVector<Layer> m_layers;
HashTable<ImageClient*> m_clients;
};
}
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