public ColorMatrixFilter(ColorMatrix matrix = null)
{
if (matrix != null)
{
ColorEffect.Matrix = matrix;
ColorEffect.UpdateShaderMatrix();
}
}
/// <summary>
/// Concatenates the current matrix with another one.
/// </summary>
public void ConcatColorMatrix(ColorMatrix colorMatrix)
{
ColorEffect.Matrix.ConcatColorMatrix(colorMatrix);
ColorEffect.UpdateShaderMatrix();
SetRequiresRedraw();
}
/// <summary>
/// Changes the hue of the image. Typical values are in the range(-1, 1).
/// </summary>
public void AdjustHue(float hue)
{
ColorEffect.Matrix.AdjustHue(hue);
ColorEffect.UpdateShaderMatrix();
SetRequiresRedraw();
}
/// <summary>
/// Changes the brightness. Typical values are in the range(-1, 1). Values above zero will make the
/// image brighter, values below zero will make it darker.
/// </summary>
public void AdjustBrightness(float brightness)
{
ColorEffect.Matrix.AdjustBrightness(brightness);
ColorEffect.UpdateShaderMatrix();
SetRequiresRedraw();
}
/// <summary>
/// Changes the contrast. Typical values are in the range(-1, 1). Values above zero will raise,
/// values below zero will reduce the contrast.
/// </summary>
public void AdjustContrast(float contrast)
{
ColorEffect.Matrix.AdjustContrast(contrast);
ColorEffect.UpdateShaderMatrix();
SetRequiresRedraw();
}
/// <summary>
/// Changes the saturation. Typical values are in the range(-1, 1). Values above zero will raise,
/// values below zero will reduce the saturation. '-1' will produce a grayscale image.
/// </summary>
public void AdjustSaturation(float saturation)
{
ColorEffect.Matrix.AdjustSaturation(saturation);
ColorEffect.UpdateShaderMatrix();
SetRequiresRedraw();
}
/// <summary>
/// Inverts the colors of the filtered objects.
/// </summary>
public void Invert()
{
ColorEffect.Matrix.Invert();
ColorEffect.UpdateShaderMatrix();
SetRequiresRedraw();
}
