82 lines
2.5 KiB
C++
82 lines
2.5 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/2d/..\renderer\LayerArea.h>
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#include <kiwano/2d/..\renderer\RenderTarget.h>
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namespace kiwano
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{
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class KGE_API Layer
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: public Actor
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{
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public:
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Layer();
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virtual ~Layer();
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// 重载下列函数以获取图层事件
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virtual void OnMouseButtonDown(int btn, Point const& p) {}
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virtual void OnMouseButtonUp(int btn, Point const& p) {}
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virtual void OnMouseMoved(Point const& p) {}
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virtual void OnMouseWheel(float wheel) {}
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virtual void OnKeyDown(int key) {}
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virtual void OnKeyUp(int key) {}
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virtual void OnChar(char c) {}
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// 是否开启消息吞没
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inline bool IsSwallowEventsEnabled() const { return swallow_; }
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// 吞没消息
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inline void SetSwallowEvents(bool enabled) { swallow_ = enabled; }
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// 设置裁剪区域
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void SetClipRect(Rect const& clip_rect);
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// 设置图层透明度
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void SetOpacity(float opacity) override;
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// 设置几何蒙层
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void SetMaskGeometry(Geometry const& mask);
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// 设置几何蒙层的二维变换
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void SetMaskTransform(Matrix3x2 const& transform);
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// 设置图层区域
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inline void SetArea(LayerArea const& area) { area_ = area; }
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// 获取图层区域
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inline LayerArea const& GetArea() const { return area_; }
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public:
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void Dispatch(Event& evt) override;
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protected:
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void Render(RenderTarget* rt) override;
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void HandleMessages(Event const& evt);
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protected:
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bool swallow_;
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LayerArea area_;
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};
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}
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