protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
mouseDown = false;
//使用shift键放大缩小
if (shiftPressed)
{
rectZoomInteractor.ProcessMouseButtonUp(new CanonicalMouseEventArgs(e), GetInteractionContext());
rectZoomInteractor.Deactivate();
Invalidate();
}
else
{
panInteractor.Deactivate();
// Select entity at mouse location if mouse didn't move
// and show entity in property grid.
if (mouseClickLocation == e.Location)
{
Point2D referencePoint = new Point2D(e.X, e.Y);
double distance;
IList <RenderedEntityInfo> closestEntities =
EntitySelector.GetClosestEntities(
model,
GraphicsConfig.BlackBackgroundCorrectForBackColor,
gdiGraphics3D.To2DTransform,
referencePoint,
out distance
);
if (highlightedEntity != null)
{
IList <IWireframeDrawable> drawables = graphicsCache.GetDrawables(highlightedEntity);
IWireframeGraphicsFactory graphicsFactory = null;
gdiGraphics3D.UpdateDrawables(
highlightedEntity,
() => {
foreach (IWireframeDrawable drawable in drawables)
{
drawable.Draw(graphicsFactory);
}
},
o => graphicsFactory = o
);
Invalidate();
highlightedEntity = null;
}
if (closestEntities.Count > 0)
{
// Chose the last entity as it is drawn last, so will be on top.
highlightedEntity = closestEntities[closestEntities.Count - 1];
IList <IWireframeDrawable> drawables = graphicsCache.GetDrawables(highlightedEntity);
WireframeGraphicsFactoryColorChanger graphicsFactoryColorChanger = null;
gdiGraphics3D.UpdateDrawables(
highlightedEntity,
() => {
foreach (IWireframeDrawable drawable in drawables)
{
drawable.Draw(graphicsFactoryColorChanger);
}
},
o => graphicsFactoryColorChanger = new WireframeGraphicsFactoryColorChanger(o, ColorChanger)
);
Invalidate();
DxfEntity entity = highlightedEntity.Entity;
OnEntitySelected(new EntityEventArgs(entity));
}
}
}
currentInteractorDrawable = null;
}
