private void UpdateRotationAxis()
{
_rotationAxis = -1;
IPresentationImage selectedImage = base.Context.Viewer.SelectedPresentationImage;
if (selectedImage == null)
{
return;
}
MprDisplaySet displaySet = selectedImage.ParentDisplaySet as MprDisplaySet;
if (displaySet == null)
{
return;
}
if (displaySet.Identifier == MprDisplaySetIdentifier.Identity)
{
_rotationAxis = 0; //x
}
else if (displaySet.Identifier == MprDisplaySetIdentifier.OrthoX)
{
_rotationAxis = 1; //y
}
else if (displaySet.Identifier == MprDisplaySetIdentifier.OrthoY)
{
_rotationAxis = 2; //z
}
}
public ImageHint(IPresentationImage image)
{
if (image != null)
{
_displaySet = image.ParentDisplaySet as MprDisplaySet;
if (_displaySet != null)
{
_imageIndex = _displaySet.PresentationImages.IndexOf(image);
}
}
}
public override bool Track(IMouseInformation mouseInformation)
{
if (_rotationAxis < 0)
{
return(base.Track(mouseInformation));
}
if (_rotatingGraphic)
{
_currentPinwheelGraphic.CoordinateSystem = CoordinateSystem.Destination;
PointF rotationAnchor = _currentPinwheelGraphic.RotationAnchor;
PointF vertex = _currentPinwheelGraphic.Anchor;
PointF mouse = mouseInformation.Location;
double angle = Vector.SubtendedAngle(mouse, vertex, rotationAnchor);
MprDisplaySet obliqueDisplaySet = base.GetObliqueDisplaySet();
int rotationX = obliqueDisplaySet.RotateAboutX;
int rotationY = obliqueDisplaySet.RotateAboutY;
int rotationZ = obliqueDisplaySet.RotateAboutZ;
if (_rotationAxis == 0)
{
rotationX += (int)angle;
_currentPinwheelGraphic.Rotation = rotationX;
}
else if (_rotationAxis == 1)
{
rotationY += (int)angle;
_currentPinwheelGraphic.Rotation = rotationY;
}
else
{
rotationZ += (int)angle;
_currentPinwheelGraphic.Rotation = rotationZ;
}
_currentPinwheelGraphic.ResetCoordinateSystem();
_currentPinwheelGraphic.Draw();
obliqueDisplaySet.Rotate(rotationX, rotationY, rotationZ);
return(true);
}
return(false);
}
private int GetRotationAngle()
{
MprDisplaySet obliqueDisplaySet = base.GetObliqueDisplaySet();
int rotationX = obliqueDisplaySet.RotateAboutX;
int rotationY = obliqueDisplaySet.RotateAboutY;
int rotationZ = obliqueDisplaySet.RotateAboutZ;
if (_rotationAxis == 0)
{
return(rotationX);
}
else if (_rotationAxis == 1)
{
return(rotationY);
}
else if (_rotationAxis == 2)
{
return(rotationZ);
}
return(0);
}
private void AddPinwheelGraphic()
{
IPresentationImage selectedImage = base.SelectedPresentationImage;
if (selectedImage == null)
{
return;
}
if (!base.IsMprImage(selectedImage))
{
return;
}
MprDisplaySet displaySet = (MprDisplaySet)selectedImage.ParentDisplaySet;
if (displaySet.Identifier == MprDisplaySetIdentifier.Oblique)
{
return;
}
IOverlayGraphicsProvider overlayProvider = selectedImage as IOverlayGraphicsProvider;
IImageGraphicProvider imageGraphicProvider = selectedImage as IImageGraphicProvider;
if (overlayProvider != null && imageGraphicProvider != null)
{
_currentPinwheelGraphic = new PinwheelGraphic();
int width = imageGraphicProvider.ImageGraphic.Columns;
int height = imageGraphicProvider.ImageGraphic.Rows;
overlayProvider.OverlayGraphics.Add(_currentPinwheelGraphic);
_currentPinwheelGraphic.CoordinateSystem = CoordinateSystem.Source;
_currentPinwheelGraphic.Rotation = GetRotationAngle();
_currentPinwheelGraphic.Draw();
}
}
