/// <summary>
/// Scales current coordinate system.
/// </summary>
public static void Scale(this Nvg nvg, Vector2D <float> scale)
{
Matrix3X2 <float> t = nvg.TransformScale(scale);
nvg.stateStack.CurrentState.Transform = nvg.TransformPremultiply(nvg.stateStack.CurrentState.Transform, t);
}
/// <summary>
/// Translates current coordinate system.
/// </summary>
public static void Translate(this Nvg nvg, Vector2D <float> position)
{
Matrix3X2 <float> t = nvg.TransformTranslate(position);
nvg.stateStack.CurrentState.Transform = nvg.TransformPremultiply(nvg.stateStack.CurrentState.Transform, t);
}
/// <summary>
/// Skews the current coordinate system along Y axis.
/// </summary>
/// <param name="angle">Is specified in radians.</param>
public static void SkewY(this Nvg nvg, float angle)
{
Matrix3X2 <float> t = nvg.TransformSkewY(angle);
nvg.stateStack.CurrentState.Transform = nvg.TransformPremultiply(nvg.stateStack.CurrentState.Transform, t);
}
/// <summary>
/// Premultiplies currentn coordinate system by specified matrix.
/// For matrix layout <see cref="NvgTransforms"/>
/// </summary>
public static void Transform(this Nvg nvg, Matrix3X2 <float> transform)
{
nvg.stateStack.CurrentState.Transform = nvg.TransformPremultiply(nvg.stateStack.CurrentState.Transform, transform);
}