sl@8: //
sl@8: //
sl@8: //
sl@8: 
sl@8: #ifndef DISPLAY_H
sl@8: #define DISPLAY_H
sl@8: 
sl@17: 
sl@15: #include "HidDevice.h"
sl@12: const int KMaxDisplayStringLength = 256;
sl@12: 
sl@8: /**
sl@8: Define an interface to some basic display functionality
sl@8: */
sl@15: class DisplayBase: public HidDevice
sl@8: 	{
sl@8: public:
sl@13: 	DisplayBase():iRequest(EMiniDisplayRequestNone),iPowerOn(false)
sl@13: 		{	    
sl@13: 		iDeviceId[0]=0;
sl@13: 		iFirmwareRevision[0]=0;
sl@13: 		}
sl@13: 
sl@10: 	virtual ~DisplayBase(){};
sl@10: 	//
sl@9: 	virtual int Open()=0;
sl@9: 	virtual void Close()=0;
sl@9: 	//
sl@8: 	virtual int MinBrightness() const=0;
sl@8: 	virtual int MaxBrightness() const=0;
sl@8: 	virtual void SetBrightness(int aBrightness)=0;
sl@8: 	virtual void Clear()=0;
sl@10: 	virtual void Fill()=0;
sl@10: 	//
sl@10: 	virtual void SwapBuffers()=0;
sl@11: 
sl@11: 	//Request management
sl@11: 	virtual void Request(TMiniDisplayRequest /*aRequest*/){ /*No request supported by default*/ };
sl@11: 	virtual TMiniDisplayRequest AttemptRequestCompletion()=0;
sl@11: 	
sl@11: 	virtual TMiniDisplayRequest CurrentRequest(){return iRequest;}
sl@11:     virtual void CancelRequest(){iRequest=EMiniDisplayRequestNone;}
sl@11: 	virtual bool RequestPending(){return iRequest!=EMiniDisplayRequestNone;}
sl@11: 
sl@16:     virtual bool IsPowerOn()	{return iPowerOn;}
sl@12: 	virtual char* DeviceId() {return iDeviceId;}
sl@12: 	virtual char* FirmwareRevision() {return iFirmwareRevision;}
sl@12: 
sl@16: 	virtual void TurnPowerOn(){}
sl@16: 	virtual void TurnPowerOff(){}
sl@17: 	virtual bool SupportPowerOnOff(){return false;}
sl@17: 
sl@17: 	virtual void ShowClock(){}
sl@17: 	virtual void HideClock(){}
sl@17: 	virtual bool SupportClock(){return false;}
sl@16: 
sl@11: protected:
sl@11: 	void SetRequest(TMiniDisplayRequest aRequest) { iRequest=aRequest; }
sl@11: 
sl@12: protected:
sl@12: 	char iDeviceId[KMaxDisplayStringLength];
sl@12: 	char iFirmwareRevision[KMaxDisplayStringLength];
sl@12:     bool iPowerOn;
sl@12: 
sl@12: 
sl@11: private:
sl@11: 	TMiniDisplayRequest iRequest;
sl@8: 	};
sl@8: 
sl@8: 
sl@8: /**
sl@8: */
sl@8: class GraphicDisplay : public DisplayBase
sl@8: 	{
sl@8: public:
sl@8: 	virtual int WidthInPixels() const=0;
sl@8: 	virtual int HeightInPixels() const=0;
sl@22: 	virtual void SetPixel(unsigned char aX, unsigned char aY, unsigned int aPixel)=0;
sl@8: 	virtual void SetAllPixels(unsigned char aOn)=0;
sl@8: 	virtual int FrameBufferSizeInBytes() const=0;
sl@8: 	//virtual int BitBlit(unsigned char* aSrc, unsigned char aSrcWidth, unsigned char aSrcHeight, unsigned char aTargetX, unsigned char aTargetY) const=0;
sl@8: 
sl@8: 	};
sl@8: 
sl@8: 
sl@8: 
sl@8: #endif