/// <summary>
/// Starts the preview.
/// </summary>
public void StartPreview()
{
// if current tool is CustomSelectionTool
if (_viewer.VisualTool is CustomSelectionTool)
{
CustomSelectionTool selectionTool = (CustomSelectionTool)_viewer.VisualTool;
RectangleF selectionBBox = RectangleF.Empty;
if (selectionTool.Selection != null)
{
selectionBBox = selectionTool.Selection.GetBoundingBox();
}
if (selectionBBox.Width >= 1 && selectionBBox.Height >= 1)
{
_selectionRegionView = selectionTool.Selection.View;
_processedSelectionRegionView = new SelectionRegionViewWithImageProcessingPreview();
_processedSelectionRegionView.UseViewerZoomForProcessing = UseCurrentViewerZoomWhenPreviewProcessing;
selectionTool.Selection.View = _processedSelectionRegionView;
_isPreviewStarted = true;
return;
}
}
// set current tool to ImageProcessingTool
_viewerTool = _viewer.VisualTool;
_rectangularPreview = new ImageProcessingTool();
Rectangle imageRect = new System.Drawing.Rectangle(0, 0, _viewer.Image.Width, _viewer.Image.Height);
Rectangle rect = imageRect;
if (_viewer.VisualTool is RectangularSelectionTool)
{
RectangularSelectionTool rectangularSelection = (RectangularSelectionTool)_viewer.VisualTool;
if (!rectangularSelection.Rectangle.Size.IsEmpty)
{
if (_viewer.VisualTool is RectangularSelectionToolWithCopyPaste)
{
rect = rectangularSelection.Rectangle;
}
_rectangularSelectionToolRect = rectangularSelection.Rectangle;
}
}
_rectangularPreview.UseViewerZoomForPreviewProcessing = UseCurrentViewerZoomWhenPreviewProcessing;
_viewer.VisualTool = _rectangularPreview;
_rectangularPreview.Rectangle = rect;
if (rect == imageRect)
{
_rectangularPreview.InteractionController = null;
}
_isPreviewStarted = true;
}
private void OpenImageProcessingTool(object sender, RoutedEventArgs e)
{
ImageProcessingTool iTool = new ImageProcessingTool(_imageProcessingPack);
iTool.Show();
}
