122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <kiwano/2d/Actor.h>
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#include <kiwano/render/LayerArea.h>
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#include <kiwano/render/RenderContext.h>
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namespace kiwano
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{
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KGE_DECLARE_SMART_PTR(Layer);
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/**
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* \addtogroup Actors
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* @{
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*/
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/**
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* \~chinese
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* @brief 图层
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*/
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class KGE_API Layer : public Actor
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{
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public:
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/// \~chinese
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/// @brief 创建图层
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static LayerPtr Create();
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Layer();
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virtual ~Layer();
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/// \~chinese
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/// @brief 是否开启消息吞没
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bool IsSwallowEventsEnabled() const;
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/// \~chinese
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/// @brief 设置消息吞没功能
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/// @param enabled 是否启用
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void SetSwallowEvents(bool enabled);
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/// \~chinese
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/// @brief 设置裁剪区域
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/// @param clip_rect 裁剪矩形
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void SetClipRect(Rect const& clip_rect);
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/// \~chinese
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/// @brief 设置图层透明度
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/// @param opacity 透明度
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void SetOpacity(float opacity) override;
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/// \~chinese
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/// @brief 设置几何蒙层
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/// @param mask 蒙层的形状
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void SetMaskShape(ShapePtr mask);
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/// \~chinese
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/// @brief 设置几何蒙层的二维变换
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/// @param transform 应用于蒙层的二维变换
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void SetMaskTransform(Matrix3x2 const& transform);
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/// \~chinese
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/// @brief 设置图层区域
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/// @param area 图层区域属性
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void SetArea(LayerArea const& area);
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/// \~chinese
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/// @brief 获取图层区域
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LayerArea const& GetArea() const;
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bool DispatchEvent(Event* evt) override;
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protected:
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void Render(RenderContext& ctx) override;
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bool CheckVisibility(RenderContext& ctx) const override;
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private:
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bool swallow_;
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LayerArea area_;
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};
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/** @} */
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inline bool Layer::IsSwallowEventsEnabled() const
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{
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return swallow_;
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}
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inline void Layer::SetSwallowEvents(bool enabled)
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{
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swallow_ = enabled;
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}
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inline void Layer::SetArea(LayerArea const& area)
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{
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area_ = area;
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}
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inline LayerArea const& Layer::GetArea() const
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{
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return area_;
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}
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} // namespace kiwano
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