/// <summary>
/// Initializes new instance for CircularAxisLabel class
/// </summary>
/// <param name="position"></param>
/// <param name="center"></param>
/// <param name="xRadius"></param>
/// <param name="yRadius"></param>
/// <param name="label"></param>
/// <param name="index"></param>
internal CircularAxisLabel(Point position, Point center, Double xRadius, Double yRadius, AxisLabel label, Double index)
{
Center = center;
XRadius = xRadius;
YRadius = yRadius;
Position = position;
AxisLabel = label;
Index = index;
Angle = Visifire.Commons.CircularLabel.ResetMeanAngle(CalculateAngleByCoordinate(Position));
}
/// <summary>
/// Applies properties to the TextBlock
/// </summary>
/// <param name="axisLabel"></param>
internal void ApplyProperties(AxisLabel axisLabel)
{
TextElement.Text = axisLabel.Text;
TextElement.Foreground = FontColor;
TextElement.FontSize = FontSize;
TextElement.FontFamily = FontFamily;
TextElement.FontStyle = FontStyle;
TextElement.FontWeight = FontWeight;
TextElement.TextAlignment = TextAlignment;
}
/// <summary>
/// Applies properties to the TextBlock
/// </summary>
/// <param name="axisLabel"></param>
internal void ApplyProperties(AxisLabel axisLabel)
{
#if WPF
TextElement.FlowDirection = FlowDirection.LeftToRight;
#endif
TextElement.Text = axisLabel.Text;
TextElement.Foreground = FontColor;
TextElement.FontSize = FontSize;
TextElement.LineHeight = FontSize;
TextElement.LineStackingStrategy = LineStackingStrategy.BlockLineHeight;
if(FontFamily != null)
TextElement.FontFamily = FontFamily;
TextElement.FontStyle = FontStyle;
TextElement.FontWeight = FontWeight;
TextElement.TextAlignment = TextAlignment;
if (!Double.IsNaN(MaxWidth))
{
TextElement.TextWrapping = TextWrapping.Wrap;
#if WPF
TextElement.MaxWidth = MaxWidth;
#else
TextElement.Width = MaxWidth;
#endif
}
}
/// <summary>
/// Apply font properties of axislabels
/// </summary>
/// <param name="label">AxisLabel</param>
private void ApplyAxisLabelFontProperties(AxisLabel label)
{
//Set size affecting font properties
label.FontSize = InternalFontSize;
label.FontColor = Charts.Chart.CalculateFontColor((Chart as Chart), FontColor, false);
label.FontFamily = InternalFontFamily;
label.FontStyle = InternalFontStyle;
label.FontWeight = InternalFontWeight;
label.TextAlignment = TextAlignment;
label.Angle = GetAngle();
}
/// <summary>
/// Calculate average width of a character
/// </summary>
/// <returns></returns>
private void CalculatAvgWidthOfAChar()
{
AxisLabel label = new AxisLabel();
label.Text = "ABCDabcd01";
ApplyAxisLabelFontProperties(label);
label.CreateVisualObject(false, null);
WidthOfACharacter = label.ActualTextWidth / 10;
}
/// <summary>
/// Create a instance of a Visifire.Charts.AxisLabel
/// </summary>
/// <param name="text">Text as string</param>
/// <returns>AxisLabel</returns>
private AxisLabel CreateLabel(String text)
{
AxisLabel label = new AxisLabel();
label.Text = text;
label.Placement = this.Placement;
return label;
}
/// <summary>
/// Apply font properties of axislabels
/// </summary>
/// <param name="label">AxisLabel</param>
private void ApplyAxisLabelFontProperties(AxisLabel label)
{
//Set size affecting font properties
label.FontSize = InternalFontSize;
if(Placement != PlacementTypes.Circular)
label.FontColor = Charts.Chart.CalculateFontColor((Chart as Chart), ParentAxis.Background, FontColor, false);
else
label.FontColor = Charts.Chart.CalculateFontColor((Chart as Chart), null, FontColor, false);
label.FontFamily = InternalFontFamily;
label.FontStyle = InternalFontStyle;
label.FontWeight = InternalFontWeight;
label.TextAlignment = TextAlignment;
label.Angle = GetAngle();
}
/// <summary>
/// Create a instance of a Visifire.Charts.AxisLabel
/// </summary>
/// <param name="text">Text as string</param>
/// <returns>AxisLabel</returns>
private AxisLabel CreateLabel(String text)
{
AxisLabel label = new AxisLabel();
label.Text = text;
label.Placement = this.Placement;
if (!Double.IsNaN(TextWrap))
{
Double MaxLabelWidth = (ParentAxis.PlotDetails.ChartOrientation == ChartOrientationType.Vertical) ? Chart.ActualHeight : Chart.ActualWidth;
label.MaxWidth = MaxLabelWidth * TextWrap;
//if (Double.IsInfinity(label.MaxWidth))
// label.MaxWidth = Double.NaN;
}
else
label.MaxWidth = Double.NaN;
return label;
}
/// <summary>
/// Calculate AxisX points for Circular chart
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="axisX"></param>
/// <param name="maxDataPointsCount"></param>
internal void CalculateAxisXLabelsPoints4Polar(Double width, Double height, Boolean isAxisLabelsEnabled, List<Double> angles, Double minValue, Double maxValue)
{
Double radius = Math.Min(width, height) / 2;
Double reducedPercent = 10;
if (isAxisLabelsEnabled)
reducedPercent = 20;
Radius = radius - (radius * reducedPercent / 100);
Center = new Point(width / 2, height / 2);
AnglesInRadian = new List<Double>();
Double minValInRadian;
if (minValue != 0)
minValInRadian = AxisLabel.GetRadians(minValue - 90);
else
minValInRadian = 2 * Math.PI - Math.PI / 2;
Double minAngle = Graphics.ValueToPixelPosition(minValInRadian, 2 * Math.PI + minValInRadian, AxisLabel.GetRadians(minValue), AxisLabel.GetRadians(maxValue), AxisLabel.GetRadians(minValue));
MinAngleInDegree = minAngle * 180 / Math.PI;
for (Int32 i = 0; i < angles.Count; i++)
{
Double actualAngle = Graphics.ValueToPixelPosition(minValInRadian, 2 * Math.PI + minValInRadian, AxisLabel.GetRadians(minValue), AxisLabel.GetRadians(maxValue), AxisLabel.GetRadians(angles[i]));
Double x = Radius * Math.Cos(actualAngle) + Center.X;
Double y = Radius * Math.Sin(actualAngle) + Center.Y;
ListOfPoints4CircularAxis.Add(new Point(x, y));
AnglesInRadian.Add(actualAngle);
}
}
