private void MapControlMouseWheel(object sender, MouseWheelEventArgs e)
{
if (!_viewportInitialized)
{
return;
}
if (ZoomLocked)
{
return;
}
_currentMousePosition = e.GetPosition(this); //Needed for both MouseMove and MouseWheel event for mousewheel event
if (double.IsNaN(_toResolution))
{
_toResolution = Map.Viewport.Resolution;
}
if (e.Delta > 0)
{
_toResolution = ZoomHelper.ZoomIn(_map.Resolutions, _toResolution);
}
else if (e.Delta < 0)
{
_toResolution = ZoomHelper.ZoomOut(_map.Resolutions, _toResolution);
}
e.Handled = true; //so that the scroll event is not sent to the html page.
// Some cheating for personal gain. This workaround could be ommitted if the zoom animations was on CenterX, CenterY and Resolution, not Resolution alone.
Map.Viewport.Center.X += 0.000000001;
Map.Viewport.Center.Y += 0.000000001;
StartZoomAnimation(Map.Viewport.Resolution, _toResolution);
}
private void MapControl_MouseWheel(object sender, MouseWheelEventArgs e)
{
this.currentMousePosition = e.GetPosition(this); //Needed for both MouseMove and MouseWheel event for mousewheel event
if (this.toResolution == 0)
{
this.toResolution = this.transform.Resolution;
}
if (e.Delta > 0)
{
this.toResolution = ZoomHelper.ZoomIn(this.rootLayer.Schema.Resolutions, this.toResolution);
}
else if (e.Delta < 0)
{
this.toResolution = ZoomHelper.ZoomOut(this.rootLayer.Schema.Resolutions, this.toResolution);
}
e.Handled = true; //so that the scroll event is not sent to the html page.
//this.transform.Resolution = toResolution;
//this.Refresh();
this.StartZoomAnimation(this.transform.Resolution, this.toResolution);
}
private void MapControlMouseWheel(object sender, MouseWheelEventArgs e)
{
if (ZoomLocked)
{
return;
}
currentMousePosition = e.GetPosition(this); //Needed for both MouseMove and MouseWheel event for mousewheel event
if (double.IsNaN(toResolution))
{
toResolution = viewport.Resolution;
}
if (e.Delta > 0)
{
toResolution = ZoomHelper.ZoomIn(map.Resolutions, toResolution);
}
else if (e.Delta < 0)
{
toResolution = ZoomHelper.ZoomOut(map.Resolutions, toResolution);
}
e.Handled = true; //so that the scroll event is not sent to the html page.
//some cheating for personal gain
viewport.CenterX += 0.000000001;
viewport.CenterY += 0.000000001;
map.ViewChanged(false, viewport.Extent, viewport.Resolution);
OnViewChanged(false, true);
StartZoomAnimation(viewport.Resolution, toResolution);
}
private void MapControl_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (AllowMoveAndZoom)
{
currentMousePosition = e.GetPosition(this); //Needed for both MouseMove and MouseWheel event for mousewheel event
if (toResolution == 0)
{
toResolution = viewport.Resolution;
}
if (e.Delta > 0)
{
toResolution = ZoomHelper.ZoomIn(map.Resolutions, toResolution);
}
else if (e.Delta < 0)
{
if (toResolution < 1200) //Stop zooming out at this resolution
{
toResolution = ZoomHelper.ZoomOut(map.Resolutions, toResolution);
}
}
e.Handled = true; //so that the scroll event is not sent to the html page.
//some cheating for personal gain
viewport.CenterX += 0.000000001;
viewport.CenterY += 0.000000001;
OnViewChanged(false, true);
StartZoomAnimation(viewport.Resolution, toResolution);
}
}
public void ZoomOut(Point centerOfZoom)
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
ZoomTo(resolution, centerOfZoom);
_map.RefreshData(_viewport.Extent, _viewport.Resolution, true);
}
public void ZoomOut()
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
_viewport.SetResolution(resolution);
Navigated?.Invoke(this, EventArgs.Empty);
}
public void ZoomOut(Point centerOfZoom)
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
ZoomTo(resolution, centerOfZoom);
Navigated?.Invoke(this, EventArgs.Empty);
}
public void ZoomOut()
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
_viewport.SetResolution(resolution);
_map.RefreshData(_viewport.Extent, _viewport.Resolution, true);
}
public void ZoomOut()
{
if (double.IsNaN(toResolution))
{
toResolution = viewport.Resolution;
}
toResolution = ZoomHelper.ZoomOut(map.Resolutions, toResolution);
ZoomMiddle();
}
public void ZoomOut()
{
if (double.IsNaN(_toResolution))
{
_toResolution = Map.Viewport.Resolution;
}
_toResolution = ZoomHelper.ZoomOut(_map.Resolutions, _toResolution);
ZoomMiddle();
}
public void ZoomOut()
{
if (this.toResolution == 0)
{
this.toResolution = this.transform.Resolution;
}
this.toResolution = ZoomHelper.ZoomOut(this.rootLayer.Schema.Resolutions, this.toResolution);
ZoomMiddle();
}
private double DetermineNewResolution(int mouseWheelDelta, double currentResolution)
{
if (mouseWheelDelta > 0)
{
return(ZoomHelper.ZoomIn(map.Resolutions, currentResolution));
}
if (mouseWheelDelta < 0)
{
return(ZoomHelper.ZoomOut(map.Resolutions, currentResolution));
}
return(currentResolution);
}
public void ZoomOut()
{
if (ZoomLocked)
{
return;
}
if (!viewInitialized)
{
return;
}
viewport.Resolution = ZoomHelper.ZoomOut(map.Resolutions, viewport.Resolution);
OnViewChanged(false);
}
void MapControlMouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta > 0)
{
_viewport.UnitsPerPixel = ZoomHelper.ZoomIn(_tileSource.Schema.Resolutions.Select(r => r.Value.UnitsPerPixel).ToList(), _viewport.UnitsPerPixel);
}
else if (e.Delta < 0)
{
_viewport.UnitsPerPixel = ZoomHelper.ZoomOut(_tileSource.Schema.Resolutions.Select(r => r.Value.UnitsPerPixel).ToList(), _viewport.UnitsPerPixel);
}
_fetcher.ViewChanged(_viewport.Extent, _viewport.UnitsPerPixel);
e.Handled = true; //so that the scroll event is not sent to the html page.
_invalid = true;
}
public double GetResolution(int delta, IViewport viewport, IMap map)
{
// If the animation has ended then start from the current resolution.
// The alternative is that use the previous resolution target and add an extra
// level to that.
if (!IsAnimating())
{
_toResolution = viewport.Resolution;
}
if (delta > Constants.Epsilon)
{
_toResolution = ZoomHelper.ZoomIn(map.Resolutions, _toResolution);
}
else if (delta < Constants.Epsilon)
{
_toResolution = ZoomHelper.ZoomOut(map.Resolutions, _toResolution);
}
// TickCount is fast https://stackoverflow.com/a/4075602/85325
_tickCount = Environment.TickCount;
return(_toResolution);
}
/// <summary>
/// Zoom out to a given point
/// </summary>
/// <param name="centerOfZoom">Center to use for zoom out</param>
public void ZoomOut(Point centerOfZoom)
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
ZoomTo(resolution, centerOfZoom);
}
/// <summary>
/// Zoom out to the next resolution
/// </summary>
public void ZoomOut()
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
ZoomTo(resolution);
}
/// <summary>
/// Zoom out to a given point
/// </summary>
/// <param name="centerOfZoom">Center of zoom. This is the one point in the map that stays on the same location while zooming in.
/// For instance, in mouse wheel zoom animation the position of the mouse pointer can be the center of zoom.</param>
/// <param name="duration">Duration for animation in milliseconds.</param>
/// <param name="easing">The type of easing function used to transform from begin tot end state</param>
public void ZoomOut(MPoint centerOfZoom, long duration = -1, Easing?easing = default)
{
var resolution = ZoomHelper.ZoomOut(_map.Resolutions, _viewport.Resolution);
ZoomTo(resolution, centerOfZoom, duration, easing);
}
public void ZoomOut()
{
Map.Viewport.Resolution = ZoomHelper.ZoomOut(_map.Resolutions, Map.Viewport.Resolution);
ViewChanged(true);
Invalidate();
}
public void ZoomOut()
{
viewport.Resolution = ZoomHelper.ZoomOut(map.Resolutions, viewport.Resolution);
ViewChanged(true);
InvalidateMap(true);
}