#include <CtrlLib/CtrlLib.h>

using namespace Upp;

class Testcase2 : public TopWindow{
	
public:
	typedef Testcase2 CLASSNAME;
	
	Testcase2(){
		Sizeable();
		MinimizeBox();
		MaximizeBox();
		BackPaint();
	}

	void drawimage(Draw &draw){
		Size sz;
		if(draw.IsPrinter()) sz=draw.GetPagePixels();
		else sz=GetSize();
		
		ImageBuffer ib(sz.cx,sz.cy);
		for(int y=0;y<sz.cy;y++){
			for(int x=0;x<sz.cx;x++){
				ib[y][x]=(RGBA)Color((16*y/sz.cy)<<4,(16*y/sz.cy)<<4,(16*x/sz.cx)<<4);
			}
		}
		
		Rect rect=draw.GetClip();
		draw.DrawRect(rect,Color(255,255,255));
		Image img(ib);
		draw.DrawImage(0,0,img);
		if(!draw.IsPrinter()){
			draw.DrawText(10,10,"Press 'P' to print...",StdFont(),Color(255,255,255));
			draw.DrawText(10,30,"(This really drains your ink/toner cartridge, so try e.g. Microsoft XPS Document Writer.)",StdFont(),Color(255,255,255));
		}
	}
	
	void print(){
		PrinterJob *job=new PrinterJob();
		if(job){
			if(job->Execute()){
				Draw &draw=job->GetDraw();
				draw.StartPage();
				drawimage(draw);
				draw.EndPage();
			}
			delete job;
		}
	}
	
	virtual void Paint(Draw &draw){
		drawimage(draw);
	}
	
	bool Key(dword key, int count){
		switch(key){
			case K_P:
				print();
				return true;
		}
		return false;
	}

};

GUI_APP_MAIN
{
	Testcase2().Run();
}