public SymbolRotater(IAppContext context, SymbologyPlugin plugin)
{
_context = context ?? throw new ArgumentNullException("context");
_plugin = plugin ?? throw new ArgumentNullException("plugin");
_map = context.Map;
_currentObject = new SymbolRotateData(_map, -1, -1);
plugin.MouseDown += MapMouseDown;
plugin.MouseUp += MapMouseUp;
plugin.MouseMove += MapMouseMove;
}
public SymbolRotater(IAppContext context, SymbologyPlugin plugin)
{
_context = context ?? throw new ArgumentNullException("context");
_map = context.Map;
SnapAngleDrawer = new SnapAngleDrawer(_map, _context.Config);
CurrentObject = new SymbolRotateData(_map, -1, -1, 0, 0);
plugin.MouseDown += MapMouseDown;
plugin.MouseUp += MapMouseUp;
plugin.MouseMove += MapMouseMove;
plugin.ExtentsChanged += MapExtentsChanged;
}
private void DrawSnapAngle(ObjectRotateData currentObject, double angle)
{
double radAngle = angle * toRadiansFactor;
Map.ProjToPixel(currentObject.X, currentObject.Y, out double x, out double y);
x += Math.Cos(radAngle) * 25;
y += Math.Sin(radAngle) * 25;
double x2 = x + Math.Cos(radAngle) * 35;
double y2 = y + Math.Sin(radAngle) * 35;
Map.Drawing.DrawLine(layerHandle, x, y, x2, y2, 2, Config.MeasuringLineColor);
Map.Drawing.DrawLine(layerHandle, x, y, x2, y2, 2, Config.MeasuringLineColor);
}
/// <summary>
/// Start the dragging operation.
/// </summary>
private void MapMouseDown(IMuteMap map, MouseEventArgs e)
{
if (!Active)
{
return;
}
var data = FindRotatebleItem(e.X, e.Y);
if (data == null)
{
return;
}
_currentObject = data;
}
public void DrawSnapAngles(ObjectRotateData currentObject, bool shiftDown, bool ctrlDown, bool force = false)
{
if ((!shiftDown && !ctrlDown) || currentObject.LayerHandle == -1)
{
ClearSnapAngleDrawings();
return;
}
if (!force && lastSnapShiftDown == shiftDown && lastSnapCtrlDown == ctrlDown)
{
return;
}
if (shiftDown || ctrlDown)
{
ForceDrawSnapAngles(currentObject, shiftDown, ctrlDown);
}
}
private void ForceDrawSnapAngles(ObjectRotateData currentObject, bool shiftDown, bool ctrlDown)
{
ClearSnapAngleDrawings();
lastSnapShiftDown = shiftDown;
lastSnapCtrlDown = ctrlDown;
if (ctrlDown)
{
foreach (var angle in currentObject.CartesianAngles)
{
DrawSnapAngle(currentObject, angle);
}
}
if (shiftDown)
{
foreach (var angle in currentObject.SegmentAngles)
{
DrawSnapAngle(currentObject, angle);
}
}
}