Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/controls/cvumeter.h

@@ -0,0 +1,74 @@
+// 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 "../enumbitset.h"
+#include "ccontrol.h"
+
+namespace VSTGUI {
+
+//-----------------------------------------------------------------------------
+// CVuMeter Declaration
+//!
+/// @ingroup controls
+//-----------------------------------------------------------------------------
+class CVuMeter : public CControl
+{
+public:
+	enum class Style : int32_t
+	{
+		kHorizontal,
+		kVertical,
+	};
+
+	CVuMeter (const CRect& size, CBitmap* onBitmap, CBitmap* offBitmap, int32_t nbLed,
+			  Style style = Style::kVertical);
+	CVuMeter (const CVuMeter& vuMeter);
+  
+	//-----------------------------------------------------------------------------
+	/// @name CVuMeter Methods
+	//-----------------------------------------------------------------------------
+	//@{
+	float getDecreaseStepValue () const { return decreaseValue; }
+	virtual void setDecreaseStepValue (float value) { decreaseValue = value; }
+
+	virtual CBitmap* getOnBitmap () const { return getBackground (); }
+	virtual CBitmap* getOffBitmap () const { return offBitmap; }
+	virtual void setOnBitmap (CBitmap* bitmap) { setBackground (bitmap); }
+	virtual void setOffBitmap (CBitmap* bitmap);
+	
+	int32_t getNbLed () const { return nbLed; }
+	void setNbLed (int32_t nb) { nbLed = nb; invalid (); }
+
+	void setStyle (Style newStyle)
+	{
+		style = newStyle;
+		invalid ();
+	}
+	Style getStyle () const { return style; }
+	//@}
+
+	// overrides
+	void setDirty (bool state) override;
+	void draw (CDrawContext* pContext) override;
+	void setViewSize (const CRect& newSize, bool invalid = true) override;
+	bool sizeToFit () override;
+	void onIdle () override;
+	
+	CLASS_METHODS(CVuMeter, CControl)
+protected:
+	~CVuMeter () noexcept override;
+
+	CBitmap* offBitmap;
+
+	int32_t nbLed;
+	Style style;
+	float decreaseValue;
+
+	CRect rectOn;
+	CRect rectOff;
+};
+
+} // VSTGUI