protected void zoomAndPanControl_MouseWheel(object sender, MouseWheelEventArgs e)
{
e.Handled = true;
Point curContentMousePoint = e.GetPosition(content);
if (e.Delta > 0)
{
ZoomIn(curContentMousePoint);
}
else if (e.Delta < 0)
{
// don't allow zoomout les that original image
if (ZoomAndPanControlMacro.ContentScale - 0.1 > ZoomAndPanControlMacro.FitScale())
{
ZoomAndPanControlMacro.ZoomOut(curContentMousePoint);
}
else
{
ZoomAndPanControlMacro.ScaleToFit();
}
ZoomOut(curContentMousePoint);
}
if (ZoomAndPanControlMacro.ContentScale > ZoomAndPanControlMacro.FitScale())
{
LoadFullRes();
ImageListViewModel.FreeZoom = true;
}
}
private void ZoomAndPanControl_ContentScaleChanged(object sender, EventArgs e)
{
GeneratePreview();
var i = Math.Round(ZoomAndPanControlMacro.FitScale(), 4);
ImageListViewModel.FreeZoom = Math.Round(ZoomAndPanControlMacro.ContentScale, 4) >
Math.Round(ZoomAndPanControlMacro.FitScale(), 4);
if (!ImageListViewModel.FreeZoom)
{
ImageListViewModel.ZoomFit = true;
}
}
public virtual void OnImageLoaded()
{
if (ImageListViewModel.ZoomFit && ZoomAndPanControlMacro != null)
{
ZoomAndPanControlMacro.ScaleToFit();
}
else
{
if (ZoomAndPanControlMacro != null)
{
ZoomToFocus();
}
}
GeneratePreview();
}
private void ZoomToFocus()
{
if (!ImageListViewModel.ZoomToFocus)
{
return;
}
if (
ServiceProvider.Settings.SelectedBitmap.FileItem
.FileInfo != null &&
ServiceProvider.Settings.SelectedBitmap.FileItem
.FileInfo.FocusPoints.Count > 0)
{
ZoomAndPanControlMacro.SnapTo(new Point(ServiceProvider.Settings.SelectedBitmap.FileItem.FileInfo.FocusPoints[0].X + ServiceProvider.Settings.SelectedBitmap.FileItem.FileInfo.FocusPoints[0].Width / 2,
ServiceProvider.Settings.SelectedBitmap.FileItem.FileInfo.FocusPoints[0].Y + ServiceProvider.Settings.SelectedBitmap.FileItem.FileInfo.FocusPoints[0].Height / 2));
}
}
/// <summary>
/// Zoom the viewport in, centering on the specified point (in content coordinates).
/// </summary>
private void ZoomIn(Point contentZoomCenter)
{
ZoomAndPanControlMacro.ZoomAboutPoint(ZoomAndPanControlMacro.ContentScale + 0.1, contentZoomCenter);
}
private void TriggerEvent(string cmd, object o)
{
try
{
switch (cmd)
{
case WindowsCmdConsts.Next_Image:
if (ImageLIst.SelectedIndex <
ImageLIst.Items.Count - 1)
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
int ind = ImageLIst.Items.IndexOf(item);
ImageLIst.SelectedIndex = ind + 1;
}
item = ImageLIst.SelectedItem as FileItem;
if (item != null)
{
ImageLIst.ScrollIntoView(item);
}
}
break;
case WindowsCmdConsts.Prev_Image:
if (ImageLIst.SelectedIndex > 0)
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
int ind = ImageLIst.Items.IndexOf(item);
ImageLIst.SelectedIndex = ind - 1;
}
item = ImageLIst.SelectedItem as FileItem;
if (item != null)
{
ImageLIst.ScrollIntoView(item);
}
}
break;
case WindowsCmdConsts.Like_Image:
if (ImageLIst.SelectedItem != null)
{
FileItem item = null;
if (o != null)
{
item = ServiceProvider.Settings.DefaultSession.GetByName(o as string);
}
else
{
item = ImageLIst.SelectedItem as FileItem;
}
if (item != null)
{
item.IsLiked = !item.IsLiked;
}
}
break;
case WindowsCmdConsts.Unlike_Image:
if (ImageLIst.SelectedItem != null)
{
FileItem item = null;
if (o != null)
{
item =
ServiceProvider.Settings.DefaultSession
.GetByName(o as string);
}
else
{
item = ImageLIst.SelectedItem as FileItem;
}
if (item != null)
{
item.IsUnLiked = !item.IsUnLiked;
}
}
break;
case WindowsCmdConsts.Del_Image:
{
DeleteItem();
}
break;
case WindowsCmdConsts.Select_Image:
FileItem fileItem = o as FileItem;
if (fileItem != null)
{
ImageLIst.SelectedValue = fileItem;
ImageLIst.ScrollIntoView(fileItem);
}
break;
case WindowsCmdConsts.Refresh_Image:
RefreshImage();
break;
case WindowsCmdConsts.Zoom_Image_Fit:
ZoomAndPanControlMacro.ScaleToFit();
break;
case WindowsCmdConsts.Zoom_Image_100:
ZoomToFocus();
LoadFullRes();
ZoomAndPanControlMacro.ZoomTo(1.0);
break;
case WindowsCmdConsts.Zoom_Image_200:
ZoomToFocus();
LoadFullRes();
ZoomAndPanControlMacro.ZoomTo(2.0);
break;
case WindowsCmdConsts.RotateLeft:
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
item.Rotation--;
}
}
break;
case WindowsCmdConsts.RotateRight:
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
item.Rotation++;
}
}
break;
case WindowsCmdConsts.ViewExternal:
OpenInExternalViewer();
break;
case WindowsCmdConsts.ViewExplorer:
OpenInExplorer();
break;
case WindowsCmdConsts.RefreshDisplay:
if (ImageListViewModel.ZoomFit)
{
ZoomAndPanControlMacro.ScaleToFit();
}
break;
}
if (cmd.StartsWith(WindowsCmdConsts.ZoomPoint))
{
if (ZoomAndPanControlMacro != null && cmd.Contains("_"))
{
var vals = cmd.Split('_');
if (vals.Count() > 2)
{
double x;
double y;
double.TryParse(vals[1], out x);
double.TryParse(vals[2], out y);
if (cmd.EndsWith("!"))
{
ZoomAndPanControlMacro.SnapToRation(x, y);
}
else
{
ZoomAndPanControlMacro.AnimatedSnapToRation(x, y);
}
}
}
}
}
catch (Exception exception)
{
Log.Error("Unable to process event ", exception);
}
}
