protected override void DrawOverlay(Model.DrawSceneParams myParams)
{
// text drawing
if (_current != null)
{
DrawText(_mouseLocation.X, Size.Height - _mouseLocation.Y + 10, "Point Coord: " + _current, new System.Drawing.Font("Tahoma", 8.25f), System.Drawing.Color.Black, System.Drawing.ContentAlignment.BottomLeft);
}
else
{
DrawText(_mouseLocation.X, Size.Height - _mouseLocation.Y + 10, "Depth for Transparency", new System.Drawing.Font("Tahoma", 8.25f), System.Drawing.Color.Black, System.Drawing.ContentAlignment.BottomLeft);
}
base.DrawOverlay(myParams);
}
protected override void DrawOverlay(Model.DrawSceneParams myParams)
{
ScreenToPlane(mouseLocation, plane, out current);
currentlySnapping = false;
// If ObjectSnap is ON, we need to find closest vertex (if any)
if (objectSnapEnabled && snapPoints != null && snapPoints.Length > 0)
{
snap = FindClosestPoint(snapPoints);
current = snap;
currentlySnapping = true;
}
// set GL for interactive draw or elastic line
renderContext.SetLineSize(1);
renderContext.EnableXOR(true);
renderContext.SetState(depthStencilStateType.DepthTestOff);
if (!(currentlySnapping) && !(waitingForSelection) && ActionMode == actionType.None &&
!(doingExtend || doingTrim || doingFillet || doingChamfer || doingTangents || drawingOrdinateDim) && !ObjectManipulator.Visible)
{
if (!cursorOutside)
{
DrawPositionMark(current);
}
}
if (drawingLine || drawingPolyLine)
{
DrawInteractiveLines();
}
else if (drawingCircle && points.Count > 0)
{
if (ActionMode == actionType.None && !GetToolBar().Contains(mouseLocation))
{
DrawInteractiveCircle();
}
}
else if (drawingArc && points.Count > 0)
{
if (ActionMode == actionType.None && !GetToolBar().Contains(mouseLocation))
{
DrawInteractiveArc();
}
}
else if (drawingEllipse && points.Count > 0)
{
DrawInteractiveEllipse();
}
else if (drawingEllipticalArc && points.Count > 0)
{
DrawInteractiveEllipticalArc();
}
else if (drawingCurve)
{
DrawInteractiveCurve();
}
else if (drawingLeader)
{
DrawInteractiveLeader();
}
else if (drawingLinearDim || drawingAlignedDim)
{
if (points.Count < 2)
{
if (!cursorOutside)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
string text = "Select the first point";
if (!firstClick)
{
text = "Select the second point";
}
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
text, new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
}
else
{
if (drawingLinearDim)
{
DrawInteractiveLinearDim();
}
else if (drawingAlignedDim)
{
DrawInteractiveAlignedDim();
}
}
}
else if (drawingOrdinateDim)
{
if (!cursorOutside)
{
if (points.Count == 1)
{
DrawPositionMark(current, 5);
DrawInteractiveOrdinateDim();
}
else
{
DrawPositionMark(current);
renderContext.EnableXOR(false);
string text = "Select the definition point";
if (!firstClick)
{
text = "Select the leader end point";
}
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
text, new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
}
}
else if (drawingRadialDim || drawingDiametricDim)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select Arc or Circle", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
DrawInteractiveDiametricDim();
}
else if (drawingAngularDim)
{
if (waitingForSelection)
{
if (!drawingAngularDimFromLines)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select Arc or Line", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
else if (quadrantPoint == null && !drawingQuadrantPoint)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select second Line", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
else if (drawingQuadrantPoint)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select a quadrant", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
else if (quadrantPoint != null)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select text position", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
}
DrawInteractiveAngularDim();
}
else if (doingMirror)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select entity to mirror", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
CreateMirrorEntity();
}
else if (doingOffset)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select entity to offset", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
CreateOffsetEntity();
}
else if (doingMove)
{
MoveEntity();
}
else if (doingScale)
{
ScaleEntity();
}
else if (doingRotate)
{
RotateEntity();
}
else if (doingFillet)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select first curve", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
CreateFilletEntity();
}
else if (doingTangents)
{
if (waitingForSelection)
{
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select first circle", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
}
CreateTangentEntity();
}
else if (doingChamfer)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select first curve", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
CreateChamferEntity();
}
else if (doingExtend)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select boundary entity", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
ExtendEntity();
}
else if (doingTrim)
{
if (waitingForSelection)
{
DrawSelectionMark(mouseLocation);
renderContext.EnableXOR(false);
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
"Select trimming entity", new Font("Tahoma", 8.25f), DrawingColor, ContentAlignment.BottomLeft);
renderContext.EnableXOR(true);
}
TrimEntity();
}
// disables draw inverted
renderContext.EnableXOR(false);
// text drawing
if (!(drawingDiametricDim || drawingAlignedDim || drawingLinearDim || drawingOrdinateDim || drawingLeader || drawingRadialDim || drawingAngularDim ||
doingMirror || doingOffset || doingTangents || doingExtend || doingTrim || doingFillet || doingChamfer || doingMove || doingScale || doingRotate) && ActionMode == actionType.None)
{
if (!(drawingEllipticalArc && points.Count >= 3) && !cursorOutside)
{
//label on mouse
string exitCommand = "";
if (drawingCurve || drawingPolyLine || drawingPoints)
{
exitCommand = rmb;
}
else
{
exitCommand = "";
}
DrawText(mouseLocation.X, (int)Size.Height - mouseLocation.Y + 10,
activeOperationLabel +
"X = " + current.X.ToString("f2") + ", " +
"Y = " + current.Y.ToString("f2") +
exitCommand,
new Font("Tahoma", 8.25f),
DrawingColor, ContentAlignment.BottomLeft);
}
}
base.DrawOverlay(myParams);
}