Magic_Game/src/kiwano/2d/Layer.h

82 lines
2.5 KiB
C++

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#pragma once
#include <kiwano/2d/Actor.h>
#include <kiwano/2d/..\renderer\LayerArea.h>
#include <kiwano/2d/..\renderer\RenderTarget.h>
namespace kiwano
{
class KGE_API Layer
: public Actor
{
public:
Layer();
virtual ~Layer();
// 重载下列函数以获取图层事件
virtual void OnMouseButtonDown(int btn, Point const& p) {}
virtual void OnMouseButtonUp(int btn, Point const& p) {}
virtual void OnMouseMoved(Point const& p) {}
virtual void OnMouseWheel(float wheel) {}
virtual void OnKeyDown(int key) {}
virtual void OnKeyUp(int key) {}
virtual void OnChar(char c) {}
// 是否开启消息吞没
inline bool IsSwallowEventsEnabled() const { return swallow_; }
// 吞没消息
inline void SetSwallowEvents(bool enabled) { swallow_ = enabled; }
// 设置裁剪区域
void SetClipRect(Rect const& clip_rect);
// 设置图层透明度
void SetOpacity(float opacity) override;
// 设置几何蒙层
void SetMaskGeometry(Geometry const& mask);
// 设置几何蒙层的二维变换
void SetMaskTransform(Matrix3x2 const& transform);
// 设置图层区域
inline void SetArea(LayerArea const& area) { area_ = area; }
// 获取图层区域
inline LayerArea const& GetArea() const { return area_; }
public:
void Dispatch(Event& evt) override;
protected:
void Render(RenderTarget* rt) override;
void HandleMessages(Event const& evt);
protected:
bool swallow_;
LayerArea area_;
};
}