public VisualizedWord CalculateWordAppearence(IWeightedWord word, int itemIndex)
{
var fontSize = CalculateRelativeValue(Arguments.FontSizeRange, word.Weight);
var opacity = CalculateRelativeValue(Arguments.OpacityRange, word.Weight);
var size = Arguments.WordSizeCalculator(word.Text, fontSize);
var visWord = new VisualizedWord(word)
{
FontSize = fontSize,
Opacity = opacity,
Size = size
};
//Startpunkt in der Mitte ermitteln
var basePoint = new Point
{
X = Arguments.PanelSize.Width / 2 - size.Width / 2,
Y = Arguments.PanelSize.Height / 2 - size.Height / 2
};
Rect rect;
Point desiredPoint;
do
{
desiredPoint = CalculateSpiralPoint(Radius, Phi, basePoint);
rect = new Rect(desiredPoint, size);
Phi += Rad(PhiIncreaseDegree * DegreeIncreaseCorrection);
} while (!IsRadiusOutOfBounds && (IsRectOutOfBounds(rect) || Taken.Any(rect1 => rect.IntersectsWith(rect1))));
// Radius Out Of Bounds is kill criterial
Taken.Add(rect);
visWord.Position = desiredPoint;
if (!IsRadiusOutOfBounds)
{
return(visWord);
}
CanAddWords = false;
return(null);
}
public VisualizedWord CalculateWordAppearence(IWeightedWord word, int itemIndex /*, VisualizedWord preDecessors*/)
{
//Ausdehnung
var size = Arguments.WordSizeCalculator(word.Text, CalculateRelativeValue(Arguments.FontSizeRange, word.Weight));
//Startpunkt ermitteln
var p = new Point();
if (itemIndex == 0) //vll auch (0,0), später!
{
p.X = 0;
p.Y = 0;
pos = 0;
}
else
{
p = GetSpiralPoint(pos /*, radius = 2*/);
}
//mach' ein Rechteck d'raus
var rectangle = new System.Windows.Rect()
{
Location = p,
Size = size
};
var rectgeom = rectangle;//geometrisch
//bis Platz gefunden
var found = false;
var nofound = false;
var offsetvector = new System.Windows.Vector(
Arguments.PanelSize.Width / 2,
Arguments.PanelSize.Height / 2
);
//Kollisionserkennung: über Vorgänger iterieren
//Teste Position (x,y) ist frei für Wort mit Größe size
var intersect = new Rect();
var tau = 2 * Math.PI;
var itemCnt = 0;
rectgeom.Offset(offsetvector);
while (!((itemIndex <= 0) || found))
{
nofound = false;
foreach (Rect r in Taken)
{
var f = this.RectIntersectsRect(rectangle, r);
if (f) // darf ich benutzen, anliegende kanten werden als intersected bewertet
{
nofound = true;
}
}
if (nofound ||
rectgeom.Left < 0 || rectgeom.Left >= Arguments.PanelSize.Width ||
rectgeom.Top < 0 || rectgeom.Top >= Arguments.PanelSize.Height ||
rectgeom.Right < 0 || rectgeom.Right >= Arguments.PanelSize.Width ||
rectgeom.Bottom < 0 || rectgeom.Bottom >= Arguments.PanelSize.Height
)
{
nofound = true;
}
// Platz belegt
// neue Postion anhand Fläche bestimmen, min Schritte von 3,6°
if (nofound)
{
itemCnt++;
Cnt++;
var a = (this.Area(intersect) / this.Area(rectgeom));
pos += tau / Sectors + a;
//var a = 0.2 + (this.Area(intersect) / this.Area(rectgeom));
//pos += tau / Sectors * a;
p = GetSpiralPoint(pos);//this.Radius
//p.X -= (Arguments.WordMargin.Left );
//p.Y -= (Arguments.WordMargin.Top );
//rectangle.Width += Arguments.WordMargin.Left + Arguments.WordMargin.Right;
//rectangle.Height += Arguments.WordMargin.Top + Arguments.WordMargin.Bottom;
rectangle.Location = p;
rectgeom = rectangle;
rectgeom.Offset(offsetvector);
//nofound = false;
}
else
{
found = true;
itemCnt = 0;
if (itemIndex > 44)
{
;
}
}
if (itemCnt > Sectors * 2)
{
break;
}
}
//bzw. of Position (x,y) bis Position (x+size.Width,y+size.Height) frei/leer ist
//wenn nicht, neue Position anhand Spirale a(r,phi) => a(x,y)
//var durch = 0;
//foreach (Rect r in Taken)
//{
// Console.Write(durch);
// Console.Write(":");
// Console.Write(r.TopLeft);
// Console.Write("-");
// Console.Write(r.TopRight);
// Console.Write("\r\n");
// durch++;
//};
// raise flag to stop new Words
if (
(StopAfterWords >= 1 && itemIndex >= (StopAfterWords - 1)) ||
!this.RectIntersectsRect(rectgeom, new Rect(new Point(0, 0), new System.Windows.Size(Arguments.PanelSize.Width, Arguments.PanelSize.Height)))
)
{
CanAddWords = false;
}
//rechtecke für nächsten Durchlauf speichern
if (!rectangle.IsEmpty || CanAddWords)
{
Taken.Add(rectangle);
var vergl = new Range(Arguments.FontSizeRange.Min, Arguments.FontSizeRange.Max /*, 0.5*/).CalculateRelativeValue(Arguments.FontSizeRange, word.Weight);
return(new VisualizedWord(word)
{
Size = new Size(rectangle.Width, rectangle.Height),
//FontSize = Convert.ToInt32((Arguments.FontSizeRange.Min / Arguments.FontSizeRange.Max * word.Weight % Arguments.FontSizeRange.Max + Arguments.FontSizeRange.Min) / 0.5) * 0.5,
//FontSize = Arguments.FontSizeRange.CalculateRelativeValue(Arguments.FontSizeRange, word.Weight/*, 0.5, 1*/),
FontSize = CalculateRelativeValue(Arguments.FontSizeRange, word.Weight, 0.5, 1),
Position = new Point(rectangle.Top, rectangle.Left),
//Opacity = (Arguments.OpacityRange.Min / Arguments.OpacityRange.Max * word.Weight % 150 + Arguments.OpacityRange.Min) / 150 //CalculateRelativeValue(Arguments.OpacityRange, word.Weight, double Step)
Opacity = this.CalculateRelativeValue(Arguments.OpacityRange, word.Weight, 0.1, 1)
//Opacity = Arguments.OpacityRange.CalculateRelativeValue(Arguments.OpacityRange, word.Weight/*, 0.1, 1*/)
}
);
}
else
{
return(new VisualizedWord(word));
}
}