Currently Implemented painter methods:
    Begin()
    End()
    Clip()
    ColorStop(pos, color)
    ClearStops()
    Opacity(o)
    LineCap(l)
    LineJoin(l)
    MiterLimit(l) 
    EvenOdd(b)
    Invert(b)
    Background(color)
    Stroke(...)
    Fill(...)
    Dash(...)
    Translate(...)
    Rotate(r)
    Scale(...)
    Move(...)
    TopLeft()
    TopRight()
    TopCenter()
    BottomCenter()
    BottomLeft()
    BottomRight()
    Center()
    Line(...)
    Circle(...)
    Ellipse(...)
    Arc(...)
    Path(x)
    Cubic(...)
    Quadratic(...)
    BeginOnPath(...)
    Rectangle(...)
    RoundedRectangle(...)
    GetSize()
    GetRect()
    GetCenterPoint()
    Text(...)
    Character(...)
    GetTextSize(...)

// This example demonstrates a headless drawing example, using U++'s Esc scripting language.
#include <Core/Core.h>
#include <EscPainter/EscPainter.h>
#include <plugin/png/png.h>

using namespace Upp;

CONSOLE_APP_MAIN
{
	StdLogSetup(LOG_COUT | LOG_FILE);
	
	ArrayMap<String, EscValue> global;

	StdLib(global);		// Include Esc standard library.
	PainterLib(global);	// Include Esc painter library.

	try
	{
		PNGEncoder().SaveFile(
			GetHomeDirFile("EscPainterOutput.png"), 
			EscPaintImage(global, LoadFile(GetDataFile("script.usc")), 1024, 1024));
	}
	catch(CParser::Error e)
	{
		RDUMP(e);
	}
}

Paint(w) // Text on path example.
{
	M_PI = 3.14159265358979323846;
	fnt  = :Roman(100);
	text = "Hello world, this is a text on path!";
	l    =	GetTextSize(text, fnt).cx;
	r    = l / (2 * M_PI);
	pos  = 0;

	w.Begin()
	 .Background(:White)
	 .Center()
	 .Circle(0, 0, r)
	 .Stroke(1, :LtRed);
	for(i = 0; i < count(text); i++) {
		c = text[i];
		x = fnt.GetWidth(c);
		w.BeginOnPath(pos + x / 2,  1)
		 .Character(-x / 2, -fnt.GetAscent(), c, fnt)
		 .Fill(0, -fnt.GetAscent(), :Yellow, 0, fnt.GetDescent(), :Green)
		 .Stroke(1, :Red)
		.End();
		pos += x;
	}
	w.End();
}

void  EscDraw(ArrayMap<String, EscValue>& global, Draw& w, Size sz);
void  EscDraw(ArrayMap<String, EscValue>& global, Draw& w, int cx, int cy);
void  EscDraw(ArrayMap<String, EscValue>& global, const String& script, Draw& w, Size sz);
void  EscDraw(ArrayMap<String, EscValue>& global, const String& script, Draw& w, int cx, int cy);