void initializeShapesTree(pdf.Page page)
{
ShapeCollectionConverter.Reset();
pdf.Shapes.ShapeCollection shapes = page.CreateShapes();
pdf.Shapes.ShapeCollection root = new pdf.Shapes.ShapeCollection();
root.Add(shapes);
(shapesTree.Items[0] as TreeViewItem).ItemsSource = root;
(shapesTree.Items[0] as TreeViewItem).IsExpanded = true;
}
private void shapesTree_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
overlay.Children.Clear();
pdf.Shapes.ContentShape shape = shapesTree.SelectedItem as pdf.Shapes.ContentShape;
if (null != shape)
{
TransformGroup group = new TransformGroup();
Matrix matrix = shape.Transform.CreateWpfMatrix();
group.Children.Add(new MatrixTransform(matrix));
pdf.Shapes.ShapeCollection parent = ShapeCollectionConverter.GetParent(shape);
while (null != parent)
{
matrix = parent.Transform.CreateWpfMatrix();
group.Children.Add(new MatrixTransform(matrix));
parent = ShapeCollectionConverter.GetParent(parent);
}
System.Windows.Shapes.Rectangle rectangle = new System.Windows.Shapes.Rectangle();
rectangle.RenderTransform = group;
rectangle.Fill = new SolidColorBrush(Color.FromArgb(64, 255, 0, 0));
if (shape is pdf.Shapes.TextShape)
{
pdf.Shapes.TextShape text = shape as pdf.Shapes.TextShape;
rectangle.Width = text.MeasuredWidth;
rectangle.Height = text.MeasuredHeight;
overlay.Children.Add(rectangle);
}
else if (shape is pdf.Shapes.ImageShape)
{
pdf.Shapes.ImageShape image = shape as pdf.Shapes.ImageShape;
rectangle.Width = image.Width;
rectangle.Height = image.Height;
overlay.Children.Add(rectangle);
}
else if (shape is pdf.Shapes.FreeHandShape)
{
pdf.Shapes.FreeHandShape freehand = shape as pdf.Shapes.FreeHandShape;
System.Windows.Shapes.Path path = new System.Windows.Shapes.Path();
PathGeometry geometry = new PathGeometry();
path.Data = geometry;
foreach (pdf.Shapes.FreeHandPath freehandPath in freehand.Paths)
{
PathFigure figure = new PathFigure();
figure.IsClosed = freehandPath.Closed;
foreach (pdf.Shapes.FreeHandSegment segment in freehandPath.Segments)
{
if (segment is pdf.Shapes.FreeHandStartSegment)
{
pdf.Shapes.FreeHandStartSegment start = segment as pdf.Shapes.FreeHandStartSegment;
figure.StartPoint = new Point(start.X, start.Y);
}
else if (segment is pdf.Shapes.FreeHandLineSegment)
{
pdf.Shapes.FreeHandLineSegment line = segment as pdf.Shapes.FreeHandLineSegment;
figure.Segments.Add(new LineSegment(new Point(line.X1, line.Y1), true));
}
else if (segment is pdf.Shapes.FreeHandBezierSegment)
{
pdf.Shapes.FreeHandBezierSegment bezier = segment as pdf.Shapes.FreeHandBezierSegment;
figure.Segments.Add(new BezierSegment(
new Point(bezier.X1, bezier.Y1),
new Point(bezier.X2, bezier.Y2),
new Point(bezier.X3, bezier.Y3),
true));
}
}
geometry.Figures.Add(figure);
}
path.Fill = new SolidColorBrush(Colors.Red);
path.Stroke = new SolidColorBrush(Colors.Green);
path.StrokeThickness = 1;
path.RenderTransform = group;
overlay.Children.Add(path);
}
}
}
