/*------------ Replace Visualization Boxes' Labels ------------*/
public static void ReplaceVisualizationLabel(TextGroupVisual3D textGroup, int oldVisBoxIndex, int newBoxIndex, string content,
Point3D center, float[] dims, Color color)
{
TextVisual3D labelLeft = new TextVisual3D();
TextVisual3D labelRight = new TextVisual3D();
labelLeft.Text = content;
labelRight.Text = content;
labelLeft.Position = new Point3D(center.X + (dims[0] / 2 + 0.01), center.Y, center.Z);
labelRight.Position = new Point3D(center.X - (dims[0] / 2 + 0.01), center.Y, center.Z);
labelLeft.Height = Math.Min(dims[1], dims[2]);
labelRight.Height = Math.Min(dims[1], dims[2]);
labelLeft.UpDirection = new Vector3D(0, 0, 1);
labelRight.UpDirection = new Vector3D(0, 0, 1);
labelLeft.TextDirection = new Vector3D(0, 1, 0);
labelRight.TextDirection = new Vector3D(0, 1, 0);
labelLeft.Padding = new Thickness(2);
labelRight.Padding = new Thickness(2);
labelLeft.Background = Brushes.Transparent;
labelRight.Background = Brushes.Transparent;
int mid = (color.R + color.G + color.B) / 3;
if (mid < 120)
{
labelLeft.Foreground = Brushes.White;
labelRight.Foreground = Brushes.White;
}
else
{
labelLeft.Foreground = Brushes.Black;
labelRight.Foreground = Brushes.Black;
}
textGroup.Children.RemoveAt((2 * oldVisBoxIndex) - 1);
textGroup.Children.RemoveAt((2 * oldVisBoxIndex) - 2);
textGroup.Children.Insert((2 * newBoxIndex) - 2, labelLeft);
textGroup.Children.Insert((2 * newBoxIndex) - 1, labelRight);
}
/*------------ Change Foreground Color Of The Visualization Labels ------------*/
public static void ChangeVisualizationLabelColor(TextGroupVisual3D textGroup,
int index, byte[] color)
{
TextVisual3D labelLeft = textGroup.Children[(2 * index) - 2] as TextVisual3D;
TextVisual3D labelRight = textGroup.Children[(2 * index) - 1] as TextVisual3D;
int mid = (color[0] + color[1] + color[2]) / 3;
if (mid < 120)
{
labelLeft.Foreground = Brushes.White;
labelRight.Foreground = Brushes.White;
}
else
{
labelLeft.Foreground = Brushes.Black;
labelRight.Foreground = Brushes.Black;
}
}
public void CreateTextMaterial_Correct_ElementPositions()
{
List <TextItem> items = new List <TextItem> {
new BillboardTextItem {
Text = "Test"
}
};
Dictionary <string, FrameworkElement> elementMap;
Dictionary <FrameworkElement, Rect> elementPositions;
var material = TextGroupVisual3D.CreateTextMaterial(
items, CreateElement, Brushes.White, out elementMap, out elementPositions);
Assert.NotNull(material);
// The element positions are rounded and the values should be between 0 and 1 (inclusive)
Assert.True(elementPositions.All(kv => kv.Value.Top >= 0 && kv.Value.Top <= 1));
Assert.True(elementPositions.All(kv => kv.Value.Bottom >= 0 && kv.Value.Bottom <= 1));
Assert.True(elementPositions.All(kv => kv.Value.Left >= 0 && kv.Value.Left <= 1));
Assert.True(elementPositions.All(kv => kv.Value.Right >= 0 && kv.Value.Right <= 1));
}
