public HitTestPointData NewFromAdditionalTransformation(MatrixD2D additionalTransformation)
{
var result = new HitTestPointData(this);
result.Transformation.PrependTransform(additionalTransformation);
return(result);
}
public HitTestPointData NewFromTranslationRotationScaleShear(double x, double y, double rotation, double scaleX, double scaleY, double shear)
{
var result = new HitTestPointData(this);
result.Transformation.TranslatePrepend(x, y);
if (0 != rotation)
{
result.Transformation.RotatePrepend(rotation);
}
if (1 != scaleX || 1 != scaleY)
{
result.Transformation.ScalePrepend(scaleX, scaleY);
}
if (0 != shear)
{
result.Transformation.ShearPrepend(shear, 0);
}
return(result);
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="from">Another HitTestData object to copy from.</param>
public HitTestPointData(HitTestPointData from)
{
_hittedPointInPageCoord = from._hittedPointInPageCoord;
this._pageScale = from._pageScale;
this._transformation = new MatrixD2D(from._transformation);
}
public HitTestPointData NewFromAdditionalTransformation(MatrixD2D additionalTransformation)
{
var result = new HitTestPointData(this);
result.Transformation.PrependTransform(additionalTransformation);
return result;
}
public HitTestPointData NewFromTranslationRotationScaleShear(double x, double y, double rotation, double scaleX, double scaleY, double shear)
{
var result = new HitTestPointData(this);
result.Transformation.TranslatePrepend(x, y);
if (0 != rotation)
result.Transformation.RotatePrepend(rotation);
if (1 != scaleX || 1 != scaleY)
result.Transformation.ScalePrepend(scaleX, scaleY);
if (0 != shear)
result.Transformation.ShearPrepend(shear, 0);
return result;
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="from">Another HitTestData object to copy from.</param>
public HitTestPointData(HitTestPointData from)
{
_hittedPointInPageCoord = from._hittedPointInPageCoord;
_pageScale = from._pageScale;
_transformation = new MatrixD2D(from._transformation);
}
/// <summary>
/// Looks for a graph object at pixel position <paramref name="pixelPos"/> and returns true if one is found.
/// </summary>
/// <param name="pixelPos">The pixel coordinates (graph panel coordinates)</param>
/// <param name="plotItemsOnly">If true, only the plot items where hit tested.</param>
/// <param name="foundObject">Found object if there is one found, else null</param>
/// <param name="foundInLayerNumber">The layer the found object belongs to, otherwise 0</param>
/// <returns>True if a object was found at the pixel coordinates <paramref name="pixelPos"/>, else false.</returns>
public bool FindGraphObjectAtPixelPosition(PointF pixelPos, bool plotItemsOnly, out IHitTestObject foundObject, out int foundInLayerNumber)
{
var mousePT = PixelToPrintableAreaCoordinates(pixelPos);
var hitData = new HitTestPointData(mousePT, this.ZoomFactor);
for (int nLayer = 0; nLayer < Layers.Count; nLayer++)
{
XYPlotLayer layer = Layers[nLayer];
foundObject = layer.HitTest(hitData, plotItemsOnly);
if (null != foundObject)
{
foundInLayerNumber = nLayer;
return true;
}
}
foundObject = null;
foundInLayerNumber = 0;
return false;
}
/// <summary>
/// Looks for a graph object at pixel position <paramref name="pixelPos"/> and returns true if one is found.
/// </summary>
/// <param name="pixelPos">The pixel coordinates (graph panel coordinates)</param>
/// <param name="plotItemsOnly">If true, only the plot items where hit tested.</param>
/// <param name="foundObject">Found object if there is one found, else null</param>
/// <param name="foundInLayerNumber">The layer the found object belongs to, otherwise 0</param>
/// <returns>True if a object was found at the pixel coordinates <paramref name="pixelPos"/>, else false.</returns>
public bool FindGraphObjectAtPixelPosition(PointD2D pixelPos, bool plotItemsOnly, out IHitTestObject foundObject, out int[] foundInLayerNumber)
{
var mousePT = ConvertMouseToRootLayerCoordinates(pixelPos);
var hitData = new HitTestPointData(mousePT, this.ZoomFactor);
foundObject = RootLayer.HitTest(hitData, plotItemsOnly);
if (null != foundObject && null != foundObject.ParentLayer)
{
foundInLayerNumber = foundObject.ParentLayer.IndexOf().ToArray();
return true;
}
foundObject = null;
foundInLayerNumber = null;
return false;
}
