/// <summary>
/// Creates a D2dStrokeStyle that describes start cap, dash pattern,
/// and other features of a stroke</summary>
/// <param name="props">A structure that describes the stroke's line cap,
/// dash offset, and other details of a stroke.</param>
/// <param name="dashes">An array whose elements are set to the length of each dash and space in the
/// dash pattern. The first element sets the length of a dash, the second element
/// sets the length of a space, the third element sets the length of a dash,
/// and so on. The length of each dash and space in the dash pattern is the product
/// of the element value in the array and the stroke width.</param>
/// <returns>D2dStrokeStyle that describes stroke features</returns>
public static D2dStrokeStyle CreateD2dStrokeStyle(D2dStrokeStyleProperties props, float[] dashes)
{
var nativeProps = new StrokeStyleProperties();
nativeProps.DashCap = (CapStyle)props.DashCap;
nativeProps.DashOffset = props.DashOffset;
nativeProps.DashStyle = (DashStyle)props.DashStyle;
nativeProps.EndCap = (CapStyle)props.EndCap;
nativeProps.LineJoin = (LineJoin)props.LineJoin;
nativeProps.MiterLimit = props.MiterLimit;
nativeProps.StartCap = (CapStyle)props.StartCap;
var strokeStyle = new StrokeStyle(s_d2dFactory, nativeProps, dashes);
return(new D2dStrokeStyle(strokeStyle));
}
/// <summary>
/// Sets the render target, releasing resources tied to previous render target if necessary</summary>
/// <param name="renderTarget">RenderTarget to set</param>
protected void SetRenderTarget(RenderTarget renderTarget)
{
if (renderTarget == null)
throw new ArgumentNullException("renderTarget");
m_clipStack.Clear();
ReleaseResources(true);
m_renderTargetNumber++;
m_renderTarget = renderTarget;
m_gdiInterop = m_renderTarget.QueryInterface<GdiInteropRenderTarget>();
Transform = Matrix3x2F.Identity;
if (s_strokeStyle == null)
{
var props = new D2dStrokeStyleProperties { EndCap = D2dCapStyle.Round, StartCap = D2dCapStyle.Round };
s_strokeStyle = D2dFactory.CreateD2dStrokeStyle(props);
}
m_solidColorBrush = CreateSolidBrush(Color.Empty);
}
/// <summary>
/// Creates a D2dStrokeStyle that describes start cap, dash pattern,
/// and other features of a stroke</summary>
/// <param name="props">A structure that describes the stroke's line cap,
/// dash offset, and other details of a stroke</param>
/// <returns>D2dStrokeStyle that describes stroke features</returns>
public static D2dStrokeStyle CreateD2dStrokeStyle(D2dStrokeStyleProperties props)
{
return(CreateD2dStrokeStyle(props, new float[0]));
}
