Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/cshadowviewcontainer.h

@@ -0,0 +1,69 @@
+// This file is part of VSTGUI. It is subject to the license terms 
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "cviewcontainer.h"
+#include "iviewlistener.h"
+#include "iscalefactorchangedlistener.h"
+
+namespace VSTGUI {
+
+//-----------------------------------------------------------------------------
+// CShadowViewContainer Declaration
+//! @brief a view container which draws a shadow for it's subviews
+/// @ingroup containerviews
+/// @ingroup new_in_4_1
+//-----------------------------------------------------------------------------
+class CShadowViewContainer : public CViewContainer,
+                             public IScaleFactorChangedListener,
+                             public ViewContainerListenerAdapter
+{
+public:
+	explicit CShadowViewContainer (const CRect& size);
+	CShadowViewContainer (const CShadowViewContainer& copy);
+	~CShadowViewContainer () noexcept override;
+
+	//-----------------------------------------------------------------------------
+	/// @name CShadowViewContainer Methods
+	//-----------------------------------------------------------------------------
+	//@{
+	virtual void setShadowOffset (const CPoint& offset);
+	const CPoint& getShadowOffset () const { return shadowOffset; }
+	
+	virtual void setShadowIntensity (float intensity);
+	float getShadowIntensity () const { return shadowIntensity; }
+
+	virtual void setShadowBlurSize (double size);
+	double getShadowBlurSize () const { return shadowBlurSize; }
+
+	void invalidateShadow ();
+	//@}
+
+	// override
+	bool removed (CView* parent) override;
+	bool attached (CView* parent) override;
+	void drawRect (CDrawContext* pContext, const CRect& updateRect) override;
+	void drawBackgroundRect (CDrawContext* pContext, const CRect& _updateRect) override;
+	void setViewSize (const CRect& rect, bool invalid = true) override;
+	CMessageResult notify (CBaseObject* sender, IdStringPtr message) override;
+
+	void onScaleFactorChanged (CFrame* frame, double newScaleFactor) override;
+
+	CLASS_METHODS(CShadowViewContainer, CViewContainer)
+protected:
+	void viewContainerViewAdded (CViewContainer* container, CView* view) override;
+	void viewContainerViewRemoved (CViewContainer* container, CView* view) override;
+	void viewContainerViewZOrderChanged (CViewContainer* container, CView* view) override;
+
+	void beforeDelete () override;
+
+	bool dontDrawBackground;
+	CPoint shadowOffset;
+	float shadowIntensity;
+	double shadowBlurSize;
+	double scaleFactorUsed;
+};
+
+} // VSTGUI