public GlossyBrush( Paint.Color lightener )
{
if( lightener == null )
{
throw new ArgumentNullException( "lightener" );
}
_lightener = lightener;
}
public Paint.Brushes.Brush Create( Paint.Color color, Paint.Color lighterColor, double top, double bottom, double proportion )
{
Paint.Color white = new Paint.Color( _lightener, color.Alpha );
Paint.Color topStart = Paint.Color.Combine( color, white, 0.4 );
Paint.Color topEnd = Paint.Color.Combine( color, white, 0.7 );
Paint.Color bottomStart = color;
Paint.Color bottomEnd = lighterColor;
return new Paint.Brushes.LinearGradientBrush
( topStart, bottomEnd
, new Types.Point( 0, top ), new Types.Point( 0, bottom )
, Paint.Brushes.LinearGradientBrush.RenderHint.NoClip
, new KeyValuePair<double, Paint.Color>[] { new KeyValuePair<double, Paint.Color>( proportion, topEnd ), new KeyValuePair<double, Paint.Color>( proportion, bottomStart ) } );
}
public HardShadow( Types.Point offset, Paint.Color color )
{
if( offset == null )
{
throw new ArgumentNullException( "offset" );
}
if( color == null )
{
throw new ArgumentNullException( "color" );
}
_offset = offset;
_color = color;
}
public SoftShadowModifier( Types.Point offset, double extent, Paint.Color color )
{
if( offset == null )
{
throw new ArgumentNullException( "offset" );
}
if( extent <= 0 )
{
throw new ArgumentException( "Extent must be greater than zero.", "extent" );
}
if( color == null )
{
throw new ArgumentNullException( "color" );
}
_offset = offset;
_extent = extent;
_color = color;
}
public SoftShadow( Renderers.Renderer renderer, Types.Point offset, double extent, Paint.Color color )
{
if( renderer == null )
{
throw new ArgumentNullException( "renderer" );
}
if( offset == null )
{
throw new ArgumentNullException( "offset" );
}
if( extent <= 0 )
{
throw new ArgumentException( "Extent must be greater than zero.", "extent" );
}
if( color == null )
{
throw new ArgumentNullException( "color" );
}
_renderer = renderer;
_offset = offset;
_extent = extent;
_color = color;
}