private string GenerateTree()
{
var expressionParserFactory = new DoubleExpressionParserFactory();
var generatorParser = new GeneratorParser <double>(expressionParserFactory);
double constR = 1 / Math.Sqrt(2);
double constU = 45;
var input =
"F(200)\n" +
"F(l)->H(l) Uloz Doleva F(l*" + constR + ") Nacti Uloz Doprava F(l*" + constR + ") Nacti";
var reader = new StringReader(input);
var generator = generatorParser.Parse(reader);
generator.AdvanceNGenerations(8);
var output = generator.CurrentGeneration;
DrawingAction[] elements = new DrawingAction[]
{
new DrawingAction(0, canvas => canvas.AddToPath(new PathSegment(new IndexCanvasProperty <double>(0)))),
new DrawingAction(1, canvas => canvas.AddToPath(new PathSegment(new IndexCanvasProperty <double>(0)))),
new DrawingAction(2, canvas => canvas.PushToStack()),
new DrawingAction(3, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(constU)))),
new DrawingAction(4, canvas => canvas.PopFromStack()),
new DrawingAction(5, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(-constU))))
};
var creator = new VectorDrawer(elements);
string svg = creator.Draw(output, 0.3);
return(svg);
}
public static void DRAWING_TEST_GOSPER()
{
var expressionParserFactory = new DoubleExpressionParserFactory();
var generatorParser = new GeneratorParser <double>(expressionParserFactory);
var input =
"L\n" +
"L->L Doprava R Doprava Doprava R Doleva L Doleva Doleva L L Doleva R Doprava\n" +
"R->Doleva L Doprava R R Doprava Doprava R Doprava L Doleva Doleva L Doleva R";
var reader = new StringReader(input);
var generator = generatorParser.Parse(reader);
generator.AdvanceNGenerations(5);
var output = generator.CurrentGeneration;
DrawingAction[] elements = new DrawingAction[]
{
new DrawingAction(0, canvas => canvas.AddToPath(new PathSegment(new ValueCanvasProperty <double>(10)))),
new DrawingAction(1, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(60)))),
new DrawingAction(2, canvas => canvas.AddToPath(new PathSegment(new ValueCanvasProperty <double>(10)))),
new DrawingAction(3, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(-60))))
};
var creator = new VectorDrawer(elements);
string svg = creator.Draw(output);
Console.WriteLine(svg);
}
public static void DRAWING_TEST_LEAF()
{
var expressionParserFactory = new DoubleExpressionParserFactory();
var generatorParser = new GeneratorParser <double>(expressionParserFactory);
var input =
"Uloz Otoc S(50) Nacti Uloz X Nacti Uloz Y Nacti\n" +
"X->Uloz Doprava X Vytvor_polygon Polygon Nacti Polygon Z Polygon Ukonci_polygon \n" +
"Y->Uloz Doleva Y Vytvor_polygon Polygon Nacti Polygon Z Polygon Ukonci_polygon\n" +
"Z->Z F(100)\n" +
"S(len)->F(len) Rotace(1) S(len)";
var reader = new StringReader(input);
var generator = generatorParser.Parse(reader);
generator.AdvanceNGenerations(20);
var output = generator.CurrentGeneration;
var greenLine = new PathSegment(new IndexCanvasProperty <double>(0));
var polygon = new Polygon();
polygon.FillColor = Color.Green;
polygon.StrokeColor = Color.Black;
DrawingAction[] elements = new DrawingAction[]
{
new DrawingAction(0, canvas => canvas.PushToStack()),
new DrawingAction(1, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(180)))),
new DrawingAction(2, canvas => canvas.AddToPath(greenLine)),
new DrawingAction(3, canvas => canvas.PopFromStack()),
new DrawingAction(4, canvas => { }),
new DrawingAction(5, canvas => { }),
new DrawingAction(6, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(10)))),
new DrawingAction(7, canvas => canvas.CreatePolygon(polygon)),
new DrawingAction(8, canvas => canvas.AddPositionToPolygon()),
new DrawingAction(9, canvas => { }),
new DrawingAction(10, canvas => canvas.ClosePolygon()),
new DrawingAction(11, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(-10)))),
new DrawingAction(12, canvas => canvas.AddToPath(greenLine)),
new DrawingAction(13, canvas => canvas.Rotate(new Rotation(new IndexCanvasProperty <double>(0))))
};
var creator = new VectorDrawer(elements);
string svg = creator.Draw(output);
Console.WriteLine(svg);
}
public static void DRAWING_TEST_ROSE()
{
var expressionParserFactory = new DoubleExpressionParserFactory();
var generatorParser = new GeneratorParser <double>(expressionParserFactory);
var input =
"Uloz Vytvor_polygon X(0,0) Polygon Ukonci_polygon Nacti Uloz Vytvor_polygon X(0,1) Polygon Ukonci_polygon\n" +
"X(t,d):d=0->Polygon G(5, 1.15, -1) Polygon Uloz Doprava Y(t) G(3, 1.19, t) Polygon Ukonci_polygon Nacti Uloz Doprava Y(t) Vytvor_polygon Polygon Nacti X(t+1,d)\n" +
"X(t,d):d=1->Polygon G(5, 1.15, -1) Polygon Uloz Doleva Y(t) G(3, 1.19, t) Polygon Ukonci_polygon Nacti Uloz Doleva Y(t) Vytvor_polygon Polygon Nacti X(t+1, d)\n" +
"Y(t):t>0->G(1.3, 1.25, -1) Y(t-1)\n" +
"G(s,r,t):t>1->G(s*r, r, t-1)\n" +
"G(s,r,t):t=-1->G(s*r, r, -1)";
var reader = new StringReader(input);
var generator = generatorParser.Parse(reader);
generator.AdvanceNGenerations(25);
var output = generator.CurrentGeneration;
var polygon = new Polygon();
polygon.FillColor = Color.Green;
polygon.StrokeColor = Color.Black;
var moduleParser = generatorParser.ModuleParser;
DrawingAction[] elements = new DrawingAction[]
{
new DrawingAction(moduleParser.GetModuleId("Uloz"), canvas => canvas.PushToStack()),
new DrawingAction(moduleParser.GetModuleId("Nacti"), canvas => canvas.PopFromStack()),
new DrawingAction(moduleParser.GetModuleId("Doprava"), canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(60)))),
new DrawingAction(moduleParser.GetModuleId("Doleva"), canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(-60)))),
new DrawingAction(moduleParser.GetModuleId("Vytvor_polygon"), canvas => canvas.CreatePolygon(polygon)),
new DrawingAction(moduleParser.GetModuleId("Ukonci_polygon"), canvas => canvas.ClosePolygon()),
new DrawingAction(moduleParser.GetModuleId("Polygon"), canvas => canvas.AddPositionToPolygon()),
new DrawingAction(moduleParser.GetModuleId("X"), canvas => canvas.Move(new Move(new IndexCanvasProperty <double>(0)))),
new DrawingAction(moduleParser.GetModuleId("Y"), canvas => canvas.Move(new Move(new IndexCanvasProperty <double>(0)))),
new DrawingAction(moduleParser.GetModuleId("G"), canvas => canvas.Move(new Move(new IndexCanvasProperty <double>(0)))),
};
var creator = new VectorDrawer(elements);
string svg = creator.Draw(output);
Console.WriteLine(svg);
}
public static void DRAWING_TEST_TREE()
{
var expressionParserFactory = new DoubleExpressionParserFactory();
var generatorParser = new GeneratorParser <double>(expressionParserFactory);
var input =
"Mlada\n" +
"Mlada->StaraUlozDopravaMladaNactiUlozDolevaMladaNactiStaraMlada\n" +
"Stara->StaraStara";
var reader = new StringReader(input);
var generator = generatorParser.Parse(reader);
generator.AdvanceNGenerations(4);
var output = generator.CurrentGeneration;
var blackLine = new PathSegment(new ValueCanvasProperty <double>(10));
blackLine.FgColor = Color.Black;
var greenLine = new PathSegment(new ValueCanvasProperty <double>(10));
greenLine.FgColor = Color.Green;
DrawingAction[] elements = new DrawingAction[]
{
new DrawingAction(0, canvas => canvas.AddToPath(greenLine)),
new DrawingAction(1, canvas => canvas.AddToPath(blackLine)),
new DrawingAction(2, canvas => canvas.PushToStack()),
new DrawingAction(3, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(45)))),
new DrawingAction(4, canvas => canvas.PopFromStack()),
new DrawingAction(5, canvas => canvas.Rotate(new Rotation(new ValueCanvasProperty <double>(-45))))
};
var creator = new VectorDrawer(elements);
string svg = creator.Draw(output);
Console.WriteLine(svg);
}
private void GenerateSVG()
{
if (_modules.Count == 0)
{
ErrorMsg = "You have not defined any modules, please define them first!";
return;
}
if (_axiom.Count == 0)
{
ErrorMsg = "Your axiom is empty, please fill it first!";
return;
}
var expressionParserFactory = new DoubleExpressionParserFactory();
var sqrt = new Function <double>("sqrt",
expressions => { return(parameters => Math.Sqrt(expressions[0](parameters))); });
expressionParserFactory.Functions = new[] { sqrt };
var generatorParser = new GeneratorParser <double>(expressionParserFactory);
var builder = new StringBuilder();
builder.AppendLine(CreateAxiomInput());
foreach (var rule in _rules)
{
builder.AppendLine(CreateRuleInput(rule));
}
var input = builder.ToString();
Generator <double> generator;
var reader = new StringReader(input);
try
{
generator = generatorParser.Parse(reader);
}
catch (ParserException)
{
ErrorMsg = "Error while processing your input. Please check if all rules are correct";
return;
}
generator.AdvanceNGenerations(GenerationsCount);
var output = generator.CurrentGeneration;
if (output.Count > 1000000)
{
ErrorMsg = "Resulting image is too complex, please try reducing number of generations";
return;
}
DrawingAction[] elements;
try
{
elements = CreateDrawingActions(generatorParser.ModuleParser);
}
catch (ArgumentException)
{
ErrorMsg = "You have mistake in modules definition! Please revise them";
return;
}
var creator = new VectorDrawer(elements);
try
{
if (RandomizationPercent != 0)
{
double randomFactor = ((double)RandomizationPercent) / 100;
Svg = creator.Draw(output, randomFactor);
}
else
{
Svg = creator.Draw(output);
}
}
catch (Exception)
{
ErrorMsg = "Internal error while drawing your image";
return;
}
}