/// <summary>
/// Initializes a new instance of the <see cref="ProcessingCommandTask"/> class.
/// </summary>
/// <param name="viewer">Image viewer that shows the image.</param>
public ImageProcessingCommandExecutor(ImageViewer viewer)
{
_viewer = viewer;
_openFileDialog = new OpenFileDialog();
CodecsFileFilters.SetOpenFileDialogFilter(_openFileDialog);
}
/// <summary>
/// Shows the image selection dialog of visual tool.
/// </summary>
private void ShowVisualToolImageSelectionDialog()
{
// create open file dialog
using (OpenFileDialog openImageDialog = new OpenFileDialog())
{
// set image files filters
CodecsFileFilters.SetOpenFileDialogFilter(openImageDialog);
// if image file selected
if (openImageDialog.ShowDialog() == DialogResult.OK)
{
try
{
// get overlay tool
OverlayImageTool tool = ((OverlayImageTool)VisualTool);
// set overlay image
tool.Image = new VintasoftImage(openImageDialog.FileName);
// if OverlayImageTool.MaintainAspectRatio must be enabled
if (MessageBox.Show("Do you want to maintain image aspect ratio?", "Question",
MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
tool.MaintainAspectRatio = true;
}
else
{
tool.MaintainAspectRatio = false;
}
}
catch (Exception ex)
{
// show error message
DemosTools.ShowErrorMessage(ex);
}
}
}
}
