private void geoImage_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
var mousePosition = e.GetPosition(geoImage);
if (((WriteableBitmap)geoImage.Source).GetPixel((int)mousePosition.X, (int)mousePosition.Y) == editColor)
{
// Edit mode and user rightclicked an edit point
LatLongRegion foundRegion = null;
LatLongDegreePoint hitPoint = FindHitPoint(mousePosition, out foundRegion);
if (hitPoint != null)
{
var msg = LatLongUtil.GetLatLongStringFromPoint(new Point(hitPoint.X, hitPoint.Y));
if (foundRegion != null)
{
msg += "\nRegion: " + foundRegion.Name
+ "\nColor code: " + foundRegion.ColorName;
}
MessageBox.Show(msg);
}
}
else
{
// Enter pan mode
origin = e.GetPosition(this);
this.Cursor = Cursors.Hand;
geoImage.CaptureMouse();
}
}
private void geoImage_MouseMove(object sender, MouseEventArgs e)
{
var mousePosition = e.GetPosition(geoImage);
textBlockLatLong.Text = LatLongUtil.GetLatLongStringFromPoint(mousePosition);
if (geoImage.IsMouseCaptured)
{
// Panning mode
Vector v = e.GetPosition(this) - origin;
var pos = e.GetPosition(this);
var dragVector = new Point(v.X / LatLongUtil.ScaleTransform.ScaleX, v.Y / LatLongUtil.ScaleTransform.ScaleY);
LatLongUtil.TranslateTransform.X += dragVector.X;
LatLongUtil.TranslateTransform.Y += dragVector.Y;
origin = e.GetPosition(this);
toolWindow.UpdateLabels();
}
else if (draggingEditPoint)
{
// Move point
Debug.WriteLine("Moving in edit mode");
var bitmap = (WriteableBitmap)geoImage.Source;
// Restore previous area
if (previousEditPointRect.HasValue)
{
bitmap.Blit(previousEditPointRect.Value, savedBackground, savedBackgroundRect);
}
// Save area before drawing
previousEditPointRect = new Rect(mousePosition.X - editPointDelta, mousePosition.Y - editPointDelta, 2 * editPointDelta, 2 * editPointDelta);
savedBackground.Blit(savedBackgroundRect, bitmap, previousEditPointRect.Value);
// Draw moved edit point
bitmap.FillRectangle((int)mousePosition.X - editPointDelta, (int)mousePosition.Y - editPointDelta, (int)mousePosition.X + editPointDelta, (int)mousePosition.Y + editPointDelta, editColor);
// Draw lines from each neighbor to point being edited
}
}
public void TestGetPointFromLatLongString()
{
LatLongUtil.ScaleTransform.ScaleX = 100000;
LatLongUtil.ScaleTransform.ScaleY = 100000;
LatLongUtil.TranslateTransform.X = -12.65;
LatLongUtil.TranslateTransform.Y = -67.239;
// LatLongUtil.ScaleTransform.CenterX = 1.00; ; // LatLongUtil.TranslateTransform.X;
// LatLongUtil.ScaleTransform.CenterY = 80.239; //LatLongUtil.TranslateTransform.Y;
var point = LatLongUtil.GetPointFromLatLongString("N055.37.40.078 E012.39.12.954");
var str = LatLongUtil.GetLatLongStringFromPoint(point);
Assert.AreEqual("N055.37.40.078 E012.39.12.953", str); // 1 msec off, probably due to rounding errors
var point2 = LatLongUtil.GetPointFromLatLongString("N55.37.40.078 E12.39.12.954");
Assert.AreEqual(point.X, point2.X);
Assert.AreEqual(point.Y, point2.Y);
}
private void Window_Closing(object sender, CancelEventArgs e)
{
ApplicationSettings.Instance.Center = LatLongUtil.GetLatLongStringFromPoint(new Point(geoImage.ActualWidth / 2, geoImage.ActualHeight / 2));
ApplicationSettings.Instance.ZoomFactor = LatLongUtil.ScaleTransform.ScaleX;
}