ToShadowBitmap(Color,Single,Boolean) メソッド

Creates a semi-transparent GcBitmap from the current GrayscaleBitmap.

This method treats the current GrayscaleBitmap as a transparency mask, regardless of the TransparencyMask property value.

シンタックス

Visual Basic
C#

'宣言
 
Public Overloads Function ToShadowBitmap( _
   ByVal shadowColor As System.Drawing.Color, _
   Optional ByVal opacityFactor As System.Single, _
   Optional ByVal zeroIsOpaque As System.Boolean _
) As GcBitmap

public GcBitmap ToShadowBitmap( 
   System.Drawing.Color shadowColor,
   System.float opacityFactor,
   System.bool zeroIsOpaque
)

パラメータ

shadowColor: The color to fill opaque pixels of the target bitmap.
opacityFactor: Additional factor to scale the alpha channel.
zeroIsOpaque: Specifies whether zero values correspond to fully opaque (true) or fully transparent (false) pixels.

戻り値の型

The newly created GcBitmap.

参照

GrayscaleBitmap クラス
 GrayscaleBitmap メンバ
 オーバーロード一覧