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

// 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/Layer.h>
#include <kiwano/renderer/Renderer.h>

namespace kiwano
{
	Layer::Layer()
		: swallow_(false)
	{
	}

	Layer::~Layer()
	{
	}

	void Layer::SetClipRect(Rect const& clip_rect)
	{
		area_.SetAreaRect(clip_rect);
	}

	void Layer::SetOpacity(float opacity)
	{
		// Actor::SetOpacity(opacity);
		area_.SetOpacity(opacity);
	}

	void Layer::SetMaskGeometry(Geometry const& mask)
	{
		area_.SetMaskGeometry(mask);
	}

	void Layer::SetMaskTransform(Matrix3x2 const& transform)
	{
		area_.SetMaskTransform(transform);
	}

	bool Layer::DispatchEvent(Event* evt)
	{
		if (!IsVisible())
			return true;

		if (swallow_)
		{
			return EventDispatcher::DispatchEvent(evt);
		}
		return Actor::DispatchEvent(evt);
	}

	void Layer::Render(RenderContext& ctx)
	{
		ctx.PushLayer(area_);

		Actor::Render(ctx);

		ctx.PopLayer();
	}

	bool Layer::CheckVisibility(RenderContext& ctx) const
	{
		// Do not need to render Layer
		return false;
	}

}