private void MenuItem_Zoom_Click(object sender, EventArgs e)
{
try
{
zoomOption = ZoomOption.MouseMove;
if (sender == MenuItem_ZoomFitSize)
{
FitSize(true);
}
else if (sender == MenuItem_ZoomFullSize)
{
FullSize(true);
}
else
{
SetScrollBarLocationBeforeZoom();
string value_Str = ((ToolStripMenuItem)sender).Text;
float zoomValue = float.Parse(Regex.Match(value_Str, @"\d+").Value);
zoomValue = zoomValue / 100;
SetZoom(zoomValue);
}
}
catch (Exception ex)
{
VisionLogger.Log(WaftechLibraries.Log.LogType.Exception, sender.ToString(), ex);
VisionNotifier.AddNotification(ex.Message);
}
}
private void ImagePanel_winform_MouseDown(object sender, MouseEventArgs e)
{
zoomOption = ZoomOption.MouseDown;
double imagePosX = (e.X + hScrollBar1.Value) / zoom_Current;
double imagePosY = (e.Y + vScrollBar1.Value) / zoom_Current;
ImagePosX_mouseDown = imagePosX;
ImagePosY_mouseDown = imagePosY;
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
StartingPoint = e.Location;
isDrag_ = true;
isNewClick_ = true;
foreach (Action <object, double, double, MouseEventArgs> action in MouseLeftDownActions_)
{
action?.Invoke(sender, imagePosX, imagePosY, e);
}
}
if (e.Button == MouseButtons.Right)
{
}
}
private void ZoomInOrOutMap(ZoomOption zoomOption)
{
var message = zoomOption == ZoomOption.ZoomIn ? new ExtentChangedMessage(ExtentChangedReason.ZoomIn) : new ExtentChangedMessage(ExtentChangedReason.ZoomOut);
MessengerInstance.Send(message);
}
private void OnScrollBar_Scroll(object sender, ScrollEventArgs e)
{
this.zoomOption = ZoomOption.Scroll;
Invalidate();
}
private void ImagePanel_winform_MouseWheel(object sender, MouseEventArgs e)
{
zoomOption = ZoomOption.MouseMove;
// If control key is pressed, ZOOM in or out
if ((System.Windows.Input.Keyboard.Modifiers & System.Windows.Input.ModifierKeys.Control) > 0)
{
// Change ScrollBar Value Based on mouse hover location
try
{
// Don't zoomIn if already maximum
if (e.Delta > 0 && zoom_Current == zoom_Maximum)
{
return;
}
// Don't zoomOut if already minimum
if (e.Delta < 0 && zoom_Current == zoom_Minimum)
{
return;
}
VScrollBarPosRatio = ((double)e.Y + vScrollBar1.Value) / (imageHeight_ * zoom_Current);
vScrollBar1.Value = (int)Math.Round(VScrollBarPosRatio * vScrollBar1.Maximum, 0);
HScrollBarPosRatio = ((double)e.X + hScrollBar1.Value) / (imageWidth_ * zoom_Current);
hScrollBar1.Value = (int)Math.Round(HScrollBarPosRatio * hScrollBar1.Maximum, 0);
}
catch { }
// Wheel up, zoom out
if (e.Delta > 0)
{
IncreaseSize(false);
}
else
{
DecreaseSize(false);
}
}
// if control key is not pressed
else
{
if (vScrollBar1.Visible)
{
// Wheel up, Scroll up
if (e.Delta > 0)
{
if (vScrollBar1.Value - vScrollBar1.SmallChange >= vScrollBar1.Minimum)
{
vScrollBar1.Value -= vScrollBar1.SmallChange;
}
else
{
vScrollBar1.Value = vScrollBar1.Minimum;
}
}
// Wheel down, Scroll down
else
{
if (vScrollBar1.Value + vScrollBar1.SmallChange <= vScrollBar1.Maximum)
{
vScrollBar1.Value += vScrollBar1.SmallChange;
}
else
{
vScrollBar1.Value = vScrollBar1.Maximum;
}
}
Invalidate();
}
}
}
