語言

Matrix.TransformPoints 方法

定義

命名空間:
System.Drawing.Drawing2D
組件:
System.Drawing.Common.dll
組件:
System.Drawing.dll
套件:
System.Drawing.Common v11.0.0-rc.1.26425.128

將此 Matrix 幾何變換套用於一組點陣列。

多載

名稱 Description
TransformPoints(ReadOnlySpan<PointF>)

將此 Matrix 幾何變換應用於指定的點陣列。
TransformPoints(ReadOnlySpan<Point>)

將此 Matrix 幾何變換應用於指定的點陣列。
TransformPoints(PointF[])

將此 Matrix 幾何變換應用於指定的點陣列。
TransformPoints(Point[])

將此 Matrix 幾何變換應用於指定的點陣列。

TransformPoints(ReadOnlySpan<PointF>)

來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs

將此 Matrix 幾何變換應用於指定的點陣列。

public:
 void TransformPoints(ReadOnlySpan<System::Drawing::PointF> pts);
public void TransformPoints(scoped ReadOnlySpan<System.Drawing.PointF> pts);
member this.TransformPoints : ReadOnlySpan<System.Drawing.PointF> -> unit
Public Sub TransformPoints (pts As ReadOnlySpan(Of PointF))

參數

pts
ReadOnlySpan<PointF>

一個代表要轉換點的結構陣列 Point 。

適用於

TransformPoints(ReadOnlySpan<Point>)

來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs

將此 Matrix 幾何變換應用於指定的點陣列。

public:
 void TransformPoints(ReadOnlySpan<System::Drawing::Point> pts);
public void TransformPoints(scoped ReadOnlySpan<System.Drawing.Point> pts);
member this.TransformPoints : ReadOnlySpan<System.Drawing.Point> -> unit
Public Sub TransformPoints (pts As ReadOnlySpan(Of Point))

參數

pts
ReadOnlySpan<Point>

一個代表要轉換點的結構陣列 Point 。

適用於

TransformPoints(PointF[])

來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs

將此 Matrix 幾何變換應用於指定的點陣列。

public:
 void TransformPoints(... cli::array <System::Drawing::PointF> ^ pts);
public:
 void TransformPoints(cli::array <System::Drawing::PointF> ^ pts);
public void TransformPoints(params System.Drawing.PointF[] pts);
public void TransformPoints(System.Drawing.PointF[] pts);
member this.TransformPoints : System.Drawing.PointF[] -> unit
Public Sub TransformPoints (ParamArray pts As PointF())
Public Sub TransformPoints (pts As PointF())

參數

pts
PointF[]

一個代表要轉換點的結構陣列 PointF 。

範例

如需範例，請參閱 TransformPoints(Point[])。

適用於

TransformPoints(Point[])

來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs
來源:
Matrix.cs

將此 Matrix 幾何變換應用於指定的點陣列。

public:
 void TransformPoints(... cli::array <System::Drawing::Point> ^ pts);
public:
 void TransformPoints(cli::array <System::Drawing::Point> ^ pts);
public void TransformPoints(params System.Drawing.Point[] pts);
public void TransformPoints(System.Drawing.Point[] pts);
member this.TransformPoints : System.Drawing.Point[] -> unit
Public Sub TransformPoints (ParamArray pts As Point())
Public Sub TransformPoints (pts As Point())

參數

pts
Point[]

一個代表要轉換點的結構陣列 Point 。

範例

以下程式碼範例是為 Windows Forms 設計，並需要 PaintEventArgse，一個 Paint 事件物件。 此程式碼會執行下列動作：

  • 建立一個點陣列，形成一個矩形。

  • 在施加縮放轉換（藍色矩形）之前，會將這個點陣列畫到螢幕上。

  • 建立一個矩陣，並在 x 軸上縮放 3，y 軸上縮放 2。

  • 將此矩陣轉換應用於點陣列。

  • 將轉換後的陣列繪製到螢幕（紅色矩形）。

注意紅色矩形在 x 軸被縮放了 3 倍，y 軸縮放了 2 倍，包括矩形的左上角（矩形的起點）。

public:
   void TransformPointsExample( PaintEventArgs^ e )
   {
      Pen^ myPen = gcnew Pen( Color::Blue,1.0f );
      Pen^ myPen2 = gcnew Pen( Color::Red,1.0f );

      // Create an array of points.
      array<Point>^ myArray = {Point(20,20),Point(120,20),Point(120,120),Point(20,120),Point(20,20)};

      // Draw the Points to the screen before applying the
      // transform.
      e->Graphics->DrawLines( myPen, myArray );

      // Create a matrix and scale it.
      Matrix^ myMatrix = gcnew Matrix;
      myMatrix->Scale( 3, 2, MatrixOrder::Append );
      myMatrix->TransformPoints( myArray );

      // Draw the Points to the screen again after applying the
      // transform.
      e->Graphics->DrawLines( myPen2, myArray );
   }

public void TransformPointsExample(PaintEventArgs e)
{
    Pen myPen = new Pen(Color.Blue, 1);
    Pen myPen2 = new Pen(Color.Red, 1);
             
    // Create an array of points.
    Point[] myArray =
             {
                 new Point(20, 20),
                 new Point(120, 20),
                 new Point(120, 120),
                 new Point(20, 120),
                 new Point(20,20)
             };
             
    // Draw the Points to the screen before applying the
    // transform.
    e.Graphics.DrawLines(myPen, myArray);
             
    // Create a matrix and scale it.
    Matrix myMatrix = new Matrix();
    myMatrix.Scale(3, 2, MatrixOrder.Append);
    myMatrix.TransformPoints(myArray);
             
    // Draw the Points to the screen again after applying the
    // transform.
    e.Graphics.DrawLines(myPen2, myArray);
}

Public Sub TransformPointsExample(ByVal e As PaintEventArgs)
    Dim myPen As New Pen(Color.Blue, 1)
    Dim myPen2 As New Pen(Color.Red, 1)

    ' Create an array of points.
    Dim myArray As Point() = {New Point(20, 20), New Point(120, 20), _
    New Point(120, 120), New Point(20, 120), New Point(20, 20)}

    ' Draw the Points to the screen before applying the
    ' transform.
    e.Graphics.DrawLines(myPen, myArray)

    ' Create a matrix and scale it.
    Dim myMatrix As New Matrix
    myMatrix.Scale(3, 2, MatrixOrder.Append)
    myMatrix.TransformPoints(myArray)

    ' Draw the Points to the screen again after applying the
    ' transform.
    e.Graphics.DrawLines(myPen2, myArray)
End Sub

適用於