#include <CtrlLib/CtrlLib.h>

using namespace Upp;

class PainterImageMapping : public TopWindow {
public:
	typedef PainterImageMapping CLASSNAME;
	
	PainterImageMapping(){
		Sizeable();
	}
		
	virtual void Paint(Draw &draw){
		DrawPainter w(draw, GetSize());

		Image img = CreateImage(Size(500, 500), Black());

		// image coordinates
		Pointf iNW(0,0);
		Pointf iNE(img.GetWidth(),0);
		Pointf iSW(0,img.GetHeight());
		Pointf iSE(img.GetWidth(),img.GetHeight());
		
		w.Clear(White());
		
		dword flags=FILL_FAST;
		auto Do = [&](const Xform2D xform) {
			w.Fill(img, xform, flags).Stroke(2, img, xform, flags);
		};
		
		{
			Pointf nw(100,100);
			Pointf ne(700,100);
			Pointf sw(100,700);
			Pointf se(650,750);
			w.Move(nw).Line(ne).Line(se); Do(Xform2D::Map(iNW,iNE,iSE,nw,ne,se));
			w.Move(nw).Line(sw).Line(se); Do(Xform2D::Map(iNW,iSW,iSE,nw,sw,se));
		}
		{
			Pointf nw(700,100);
			Pointf ne(1400,120);
			Pointf sw(650,750);
			Pointf se(1300,720);
			w.Move(nw).Line(ne).Line(se); Do(Xform2D::Map(iNW,iNE,iSE,nw,ne,se));
			w.Move(nw).Line(sw).Line(se); Do(Xform2D::Map(iNW,iSW,iSE,nw,sw,se));
		}
		{
			Pointf nw(100,700);
			Pointf ne(650,750);
			Pointf sw(100,1200);
			Pointf se(650,1350);
			w.Move(nw).Line(ne).Line(se); Do(Xform2D::Map(iNW,iNE,iSE,nw,ne,se));
			w.Move(nw).Line(sw).Line(se); Do(Xform2D::Map(iNW,iSW,iSE,nw,sw,se));
		}
		{
			Pointf nw(650,750);
			Pointf ne(1300,720);
			Pointf sw(650,1350);
			Pointf se(1300,1220);
			w.Move(nw).Line(ne).Line(se); Do(Xform2D::Map(iNW,iNE,iSE,nw,ne,se));
			w.Move(nw).Line(sw).Line(se); Do(Xform2D::Map(iNW,iSW,iSE,nw,sw,se));
		}
	}
};

GUI_APP_MAIN
{
	PainterImageMapping().Run();
}