draw.h

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#ifndef _EZ_DRAW_
#define _EZ_DRAW_

#ifdef __cplusplus
extern "C" 
{
#endif

#pragma comment(lib, "Ezd32m.lib")

#define EZDIMPORT _declspec(dllimport) __stdcall

enum ezdColor {
	ezdWhite			= ((unsigned long)(((unsigned char)(0xff)|((short)((unsigned char)(0xff))<<8))|(((unsigned long)(unsigned char)(0xff))<<16))),
	ezdBlue				= ((unsigned long)(((unsigned char)(0x00)|((short)((unsigned char)(0x00))<<8))|(((unsigned long)(unsigned char)(0xf0))<<16))),
	ezdTeal     		= ((unsigned long)(((unsigned char)(0x00)|((short)((unsigned char)(0x80))<<8))|(((unsigned long)(unsigned char)(0x80))<<16))),
	ezdGreen			= ((unsigned long)(((unsigned char)(0x00)|((short)((unsigned char)(0xc0))<<8))|(((unsigned long)(unsigned char)(0x00))<<16))),
	ezdTurquoise		= ((unsigned long)(((unsigned char)(0x43)|((short)((unsigned char)(0xc6))<<8))|(((unsigned long)(unsigned char)(0xdb))<<16))),
	ezdDarkGray			= ((unsigned long)(((unsigned char)(0x7a)|((short)((unsigned char)(0x7a))<<8))|(((unsigned long)(unsigned char)(0x7a))<<16))),
	ezdBrown	   		= ((unsigned long)(((unsigned char)(0x98)|((short)((unsigned char)(0x05))<<8))|(((unsigned long)(unsigned char)(0x17))<<16))),
	ezdPurple   		= ((unsigned long)(((unsigned char)(0xa4)|((short)((unsigned char)(0x00))<<8))|(((unsigned long)(unsigned char)(0xd7))<<16))),
	ezdLightBlue		= ((unsigned long)(((unsigned char)(0xb5)|((short)((unsigned char)(0xda))<<8))|(((unsigned long)(unsigned char)(0xff))<<16))),
	ezdLightGray		= ((unsigned long)(((unsigned char)(0xdc)|((short)((unsigned char)(0xdc))<<8))|(((unsigned long)(unsigned char)(0xdc))<<16))),
	ezdGold         	= ((unsigned long)(((unsigned char)(0xd4)|((short)((unsigned char)(0xa0))<<8))|(((unsigned long)(unsigned char)(0x17))<<16))),
	ezdRed				= ((unsigned long)(((unsigned char)(0xff)|((short)((unsigned char)(0x00))<<8))|(((unsigned long)(unsigned char)(0x00))<<16))),
	ezdOrange			= ((unsigned long)(((unsigned char)(0xf8)|((short)((unsigned char)(0x7a))<<8))|(((unsigned long)(unsigned char)(0x17))<<16))),
	ezdPink				= ((unsigned long)(((unsigned char)(0xfa)|((short)((unsigned char)(0xaf))<<8))|(((unsigned long)(unsigned char)(0xbe))<<16))),
	ezdYellow			= ((unsigned long)(((unsigned char)(0xff)|((short)((unsigned char)(0xff))<<8))|(((unsigned long)(unsigned char)(0x00))<<16))),
	ezdBlack			= ((unsigned long)(((unsigned char)(0x00)|((short)((unsigned char)(0x00))<<8))|(((unsigned long)(unsigned char)(0x00))<<16)))
};
enum ezdOrigin {
	ezdAtPoint = 0,
	ezdCenter,
	};

enum ezdMapMode {
	ezdIsotropic = 0,
	ezdAnisotropic = 1
	};

int 	EZDIMPORT 	ezdInitialize(void);
void 	EZDIMPORT 	ezdCleanUp(void);
unsigned long EZDIMPORT ezdDrawLine(double fX1, double fY1, double fX2, double fY2);
unsigned long EZDIMPORT ezdDrawRectangle(double fX1, double fY1, double fX2, double fY2);
unsigned long EZDIMPORT ezdDrawCircle(double fX, double fY, double fR);
unsigned long EZDIMPORT ezdDrawPoint(double fX, double fY);
unsigned long EZDIMPORT ezdDrawPolygon(unsigned long lCount, const double * pfXarray, const double * pfYarray);
unsigned long EZDIMPORT ezdDrawText(char* szText, double fX, double fY);
int EZDIMPORT ezdDeleteShape(unsigned long hShape);
unsigned long EZDIMPORT ezdSetColor(unsigned long color);
char EZDIMPORT ezdWaitForKeyPress();
double EZDIMPORT ezdGetOriginX();
double EZDIMPORT ezdGetOriginY();
ezdOrigin EZDIMPORT ezdGetOriginType();
int EZDIMPORT ezdSetOriginType(int iMode);
int EZDIMPORT ezdSetOrigin(double fX, double fY, ezdOrigin Origin);
double EZDIMPORT ezdGetViewportWidth();
double EZDIMPORT ezdGetViewportHeight();
int EZDIMPORT ezdSetViewport(double fX, double fY);
ezdMapMode EZDIMPORT ezdGetMapMode();
int EZDIMPORT ezdSetMapMode(int iMode);
int EZDIMPORT ezdGetForceAspect();
int EZDIMPORT ezdSetForceAspect(int bForce);
int EZDIMPORT ezdClearDrawSurface();
int EZDIMPORT ezdKeyPress();
int EZDIMPORT ezdWait(unsigned int uiMiliseconds);

///

void openWindow();     // initialize drawing surface
void viewWindow();     // wait until a key is pressed
void eraseWindow();    // erase the drawing window
void closeWindow();    // close the drawing surface

// wait secs seconds before executing next instruction
void delayWindow(double secs);
// return true if a key pressed; otherwise, return false  
bool keyPress();		

// ***********************************************************
//      graphic functions implementation
// ***********************************************************

void openWindow()
{
   ezdInitialize();
   ezdSetMapMode(0);
	 ezdSetOrigin(0,+100,ezdAtPoint);
	 ezdSetViewport(100,-100);

}

void viewWindow()
{
   ezdWaitForKeyPress();
}

void eraseWindow()
{
   ezdClearDrawSurface();
}

void closeWindow()
{
   ezdCleanUp();
}

void delayWindow(double secs)
{
   ezdWait((unsigned int)(secs * 1000));
}

bool keyPress()
{
   if (ezdKeyPress() != 0)
      return true;
   else
      return false;
}

void resizeWindow(double x1,double y1,double x2,double y2)
{
	ezdSetMapMode(0);
	ezdSetOrigin(x1,y1,ezdAtPoint);
	ezdSetViewport(x2-x1,y2-y1);
}

void setColor(char red,char green,char blue)
{
	ezdSetColor(((unsigned long)(((unsigned char)(red)|((short)((unsigned char)(green))<<8))|(((unsigned long)(unsigned char)(blue))<<16))));
}

#ifdef __cplusplus
}
#endif
#endif