public void _miView_Click(object sender, System.EventArgs e)
{
// get the current center in logical units
ImageViewer viewer = ActiveViewerForm.Viewer; // get the active viewer
// zoom
double scaleFactor = viewer.ScaleFactor;
ControlSizeMode sizeMode = ControlSizeMode.None;
const float ratio = 1.2F;
if (sender == _miViewZoomIn)
{
sizeMode = ControlSizeMode.None;
scaleFactor *= ratio;
}
else if (sender == _miViewZoomOut)
{
sizeMode = ControlSizeMode.None;
scaleFactor /= ratio;
}
else if (sender == _miViewNormal)
{
sizeMode = ControlSizeMode.ActualSize;
scaleFactor = 1.0;
}
else if (sender == _miViewFitToWindow)
{
sizeMode = ControlSizeMode.Fit;
scaleFactor = 1.0;
}
else if (sender == _miViewSnapToImage)
{
ViewerForm activeViewer = ActiveViewerForm;
activeViewer.Snap();
if (activeViewer.WindowState != FormWindowState.Normal)
{
activeViewer.WindowState = FormWindowState.Normal;
}
}
scaleFactor = Math.Max(_minimumScaleFactor, Math.Min(_maximumScaleFactor, scaleFactor));
if ((viewer.ScaleFactor != scaleFactor) || (viewer.SizeMode != sizeMode))
{
viewer.Zoom(sizeMode, scaleFactor, viewer.DefaultZoomOrigin);
}
}
