/// <summary>
/// Constructor for a multi color path gradient fill.
/// </summary>
/// <param name="pathGradientType">Type of path gradient.</param>
/// <param name="gradientColors">A <c>System.Drawing.Drawing2D.ColorBlend</c> object containing arrays of colors and positions defining a multi color gradient.</param>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="gradientColors" /> is null.
/// </exception>
public Filler(PathGradientType pathGradientType, ColorBlend gradientColors)
: this(FillerType.PathGradient,
gradientColors.Colors[0], gradientColors.Colors[gradientColors.Colors.Length - 1],
HatchStyle.Cross,
0.0f, /* linearGradientAngle */
pathGradientType,
gradientColors)
{
}
// Internal constructor
private Filler(FillerType type, Color color1, Color color2, HatchStyle hatchStyle, float linearGradientAngle, PathGradientType pathGradientType, ColorBlend gradientColors)
{
FillType = type;
this.color1 = color1;
this.color2 = color2;
HatchStyle = hatchStyle;
LinearGradientAngle = linearGradientAngle;
PathGradientType = pathGradientType;
GradientColors = (gradientColors == null) ? Utils.GetDefaultColorBlend() : gradientColors;
}
/// <summary>
/// Constructor for a multi color path gradient fill.
/// </summary>
/// <param name="pathGradientType">Type of path gradient.</param>
/// <param name="colors">Array of colors to use at corresponding positions along the gradient.</param>
/// <param name="positions">Array of positions along the gradient.</param>
/// <remarks>
/// Refer to the documentation of <c>System.Drawing.Drawing2D.ColorBlend</c> for more information about <c>colors</c> and <c>positions</c>.
/// </remarks>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="colors" /> or <paramref name="positions" /> is null.
/// </exception>
public Filler(PathGradientType pathGradientType, Color[] colors, float[] positions)
: this(pathGradientType, Utils.NewColorBlend(colors, positions))
{
}
/// <summary>
/// Constructor for a two color path gradient fill.
/// </summary>
/// <param name="pathGradientType">Type of path gradient.</param>
/// <param name="startColor">Starting color.</param>
/// <param name="endColor">Ending color.</param>
public Filler(PathGradientType pathGradientType, Color startColor, Color endColor)
: this(pathGradientType, Utils.NewColorBlend(startColor, endColor))
{
}
