LinearGradientBrush.MultiplyTransform 方法

定義

命名空間:

System.Drawing.Drawing2D

組件:

System.Drawing.Common.dll

套件:

System.Drawing.Common v8.0.0

藉由在前面加上指定的 Matrix，將表示這個 LinearGradientBrush 的局部幾何轉換的 Matrix 乘以指定的 Matrix。

多載

MultiplyTransform(Matrix, MatrixOrder)	依據指定的順序，將表示這個 Matrix 之局部幾何轉換的 LinearGradientBrush 乘以指定的 Matrix。
MultiplyTransform(Matrix)	藉由在前面加上指定的 Matrix，將表示這個 LinearGradientBrush 的局部幾何轉換的 Matrix 乘以指定的 Matrix。

MultiplyTransform(Matrix, MatrixOrder)

來源:

LinearGradientBrush.cs

依據指定的順序，將表示這個 Matrix 之局部幾何轉換的 LinearGradientBrush 乘以指定的 Matrix。

public:
 void MultiplyTransform(System::Drawing::Drawing2D::Matrix ^ matrix, System::Drawing::Drawing2D::MatrixOrder order);

public void MultiplyTransform (System.Drawing.Drawing2D.Matrix matrix, System.Drawing.Drawing2D.MatrixOrder order);

member this.MultiplyTransform : System.Drawing.Drawing2D.Matrix * System.Drawing.Drawing2D.MatrixOrder -> unit

Public Sub MultiplyTransform (matrix As Matrix, order As MatrixOrder)

參數

matrix

Matrix

與幾何轉換相乘的 Matrix。

order

MatrixOrder

MatrixOrder，指定兩個矩陣相乘所依據的順序。

範例

下列程式代碼範例是設計來搭配 Windows Forms 使用，而且需要 PaintEventArgse事件OnPaint物件。 此程式碼會執行下列動作：

• 建立新的 LinearGradientBrush。

• 使用此筆刷將省略號繪製到螢幕。

• MultiplyTransform呼叫 方法，以轉換 LinearGradientBrush。

• 使用轉換的筆刷，將橢圓形繪製到畫面正下方的第一個橢圓形。

請注意，下角橢圓形會以水準方向延伸，且漸層會延展以符合新圖形。

private:
   void MultiplyTransformExample( PaintEventArgs^ e )
   {
      // Create a LinearGradientBrush.
      Rectangle myRect = Rectangle(20,20,200,100);
      LinearGradientBrush^ myLGBrush = gcnew LinearGradientBrush( myRect,Color::Blue,Color::Red,0.0f,true );

      // Draw an ellipse to the screen using the LinearGradientBrush.
      e->Graphics->FillEllipse( myLGBrush, myRect );

      // Transform the LinearGradientBrush.
      array<Point>^ transformArray = {Point(20,150),Point(400,150),Point(20,200)};
      Matrix^ myMatrix = gcnew Matrix( myRect,transformArray );
      myLGBrush->MultiplyTransform( myMatrix, MatrixOrder::Prepend );

      // Draw a second ellipse to the screen using
      // the transformed brush.
      e->Graphics->FillEllipse( myLGBrush, 20, 150, 380, 50 );
   }

 private void MultiplyTransformExample(PaintEventArgs e)
 {
              
     // Create a LinearGradientBrush.
     Rectangle myRect = new Rectangle(20, 20, 200, 100);
     LinearGradientBrush myLGBrush = new LinearGradientBrush(
         myRect, Color.Blue, Color.Red,  0.0f, true);
         
     // Draw an ellipse to the screen using the LinearGradientBrush.
     e.Graphics.FillEllipse(myLGBrush, myRect);
              
     // Transform the LinearGradientBrush.
     Point[] transformArray = { new Point(20, 150),
          new Point(400,150), new Point(20, 200) };

     Matrix myMatrix = new Matrix(myRect, transformArray);
     myLGBrush.MultiplyTransform(
         myMatrix,
         MatrixOrder.Prepend);
              
     // Draw a second ellipse to the screen using
     // the transformed brush.
     e.Graphics.FillEllipse(myLGBrush, 20, 150, 380, 50);
 }

Public Sub MultiplyTransformExample(ByVal e As PaintEventArgs)

    ' Create a LinearGradientBrush.
    Dim myRect As New Rectangle(20, 20, 200, 100)
    Dim myLGBrush As New LinearGradientBrush(myRect, Color.Blue, _
    Color.Red, 0.0F, True)

    ' Draw an ellipse to the screen using the LinearGradientBrush.
    e.Graphics.FillEllipse(myLGBrush, myRect)

    ' Transform the LinearGradientBrush.
    Dim transformArray As Point() = {New Point(20, 150), _
    New Point(400, 150), New Point(20, 200)}
    Dim myMatrix As New Matrix(myRect, transformArray)
    myLGBrush.MultiplyTransform(myMatrix, MatrixOrder.Prepend)

    ' Draw a second ellipse to the screen using the transformed brush.
    e.Graphics.FillEllipse(myLGBrush, 20, 150, 380, 50)
End Sub

MultiplyTransform(Matrix)

來源:

LinearGradientBrush.cs

藉由在前面加上指定的 Matrix，將表示這個 LinearGradientBrush 的局部幾何轉換的 Matrix 乘以指定的 Matrix。

public:
 void MultiplyTransform(System::Drawing::Drawing2D::Matrix ^ matrix);

public void MultiplyTransform (System.Drawing.Drawing2D.Matrix matrix);

member this.MultiplyTransform : System.Drawing.Drawing2D.Matrix -> unit

Public Sub MultiplyTransform (matrix As Matrix)

參數

matrix

Matrix

與幾何轉換相乘的 Matrix。

範例

如需範例，請參閱 MultiplyTransform。