다음을 통해 공유


Matrix.TransformVectors 메서드

정의

배열의 각 벡터에 행렬을 곱합니다. 이 행렬의 변환 요소(세 번째 행)는 무시됩니다.

오버로드

TransformVectors(Point[])

Matrix 소수 자릿수 및 회전 구성 요소만 지정된 점 배열에 적용합니다.

TransformVectors(PointF[])

배열의 각 벡터에 행렬을 곱합니다. 이 행렬의 변환 요소(세 번째 행)는 무시됩니다.

TransformVectors(ReadOnlySpan<Point>)
TransformVectors(ReadOnlySpan<PointF>)

TransformVectors(Point[])

Source:
Matrix.cs
Source:
Matrix.cs
Source:
Matrix.cs
Source:
Matrix.cs
Source:
Matrix.cs

Matrix 소수 자릿수 및 회전 구성 요소만 지정된 점 배열에 적용합니다.

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

매개 변수

pts
Point[]

변환할 점을 나타내는 Point 구조체의 배열입니다.

예제

다음 코드 예제는 Windows Forms에서 사용하도록 설계되었으며 Paint 이벤트 개체인 PaintEventArgse필요합니다. 코드는 다음 작업을 수행합니다.

  • 사각형을 형성하는 점의 배열을 만듭니다.

  • 배율 변환(파란색 사각형)을 적용하기 전에 화면에 이 점 배열을 그립니다.

  • 행렬을 만들고 x축에서 3, y축에서 2로 크기를 조정하고 두 축에서 100으로 변환합니다.

  • 화면에 행렬 요소를 나열합니다.

  • 이 행렬 변환을 점 배열에 적용합니다.

  • 변환된 배열을 화면(빨간색 사각형)에 그립니다.

빨간색 사각형은 직사각형의 왼쪽 위 모서리(사각형의 시작점)를 포함하여 x축에서 3배, y축에서 2로 배율 조정되었지만 변환 벡터(행렬의 마지막 두 요소)는 무시됩니다.

public:
   void TransformVectorsExample( 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, scale it, and translate it.
      Matrix^ myMatrix = gcnew Matrix;
      myMatrix->Scale( 3, 2, MatrixOrder::Append );
      myMatrix->Translate( 100, 100, MatrixOrder::Append );

      // List the matrix elements to the screen.
      ListMatrixElements( e, myMatrix, "Scaled and Translated Matrix", 6, 20 );

      // Apply the transform to the array.
      myMatrix->TransformVectors( myArray );

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

   //-------------------------------------------------------
   // This function is a helper function to
   // list the contents of a matrix.
   //-------------------------------------------------------
   void ListMatrixElements( PaintEventArgs^ e, Matrix^ matrix, String^ matrixName, int numElements, int y )
   {
      // Set up variables for drawing the array
      // of points to the screen.
      int i;
      float x = 20,X = 200;
      System::Drawing::Font^ myFont = gcnew System::Drawing::Font( "Arial",8 );
      SolidBrush^ myBrush = gcnew SolidBrush( Color::Black );

      // Draw the matrix name to the screen.
      e->Graphics->DrawString( String::Concat( matrixName, ":  " ), myFont, myBrush, (float)x, (float)y );

      // Draw the set of path points and types to the screen.
      for ( i = 0; i < numElements; i++ )
      {
         e->Graphics->DrawString( String::Concat( matrix->Elements[ i ], ", " ), myFont, myBrush, (float)X, (float)y );
         X += 30;
      }
   }
public void TransformVectorsExample(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, scale it, and translate it.
    Matrix myMatrix = new Matrix();
    myMatrix.Scale(3, 2, MatrixOrder.Append);
    myMatrix.Translate(100, 100, MatrixOrder.Append);
             
    // List the matrix elements to the screen.
    ListMatrixElements(e,
        myMatrix,
        "Scaled and Translated Matrix",
        6,
        20);
             
    // Apply the transform to the array.
    myMatrix.TransformVectors(myArray);
             
    // Draw the Points to the screen again after applying the
    // transform.
    e.Graphics.DrawLines(myPen2, myArray);
}
             
//-------------------------------------------------------
// This function is a helper function to
// list the contents of a matrix.
//-------------------------------------------------------
public void ListMatrixElements(
    PaintEventArgs e,
    Matrix matrix,
    string matrixName,
    int numElements,
    int y)
{
             
    // Set up variables for drawing the array
    // of points to the screen.
    int i;
    float x = 20, X = 200;
    Font myFont = new Font("Arial", 8);
    SolidBrush myBrush = new SolidBrush(Color.Black);
             
    // Draw the matrix name to the screen.
    e.Graphics.DrawString(
        matrixName + ":  ",
        myFont,
        myBrush,
        x,
        y);
             
    // Draw the set of path points and types to the screen.
    for(i=0; i<numElements; i++)
    {
        e.Graphics.DrawString(
            matrix.Elements[i].ToString() + ", ",
            myFont,
            myBrush,
            X,
            y);
        X += 30;
    }
}
Public Sub TransformVectorsExample(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.Translate(100, 100, MatrixOrder.Append)
    ListMatrixElementsHelper(e, myMatrix, _
    "Scaled and Translated Matrix", 6, 20)
    myMatrix.TransformVectors(myArray)

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

' A helper function to list the contents of a matrix.
Public Sub ListMatrixElementsHelper(ByVal e As PaintEventArgs, _
ByVal matrix As Matrix, ByVal matrixName As String, ByVal numElements As Integer, _
ByVal y As Integer)

    ' Set up variables for drawing the array
    ' of points to the screen.
    Dim i As Integer
    Dim x As Single = 20
    Dim j As Single = 200
    Dim myFont As New Font("Arial", 8)
    Dim myBrush As New SolidBrush(Color.Black)

    ' Draw the matrix name to the screen.
    e.Graphics.DrawString(matrixName + ":  ", myFont, myBrush, x, y)

    ' Draw the set of path points and types to the screen.
    For i = 0 To numElements - 1
        e.Graphics.DrawString(matrix.Elements(i).ToString() + ", ", _
        myFont, myBrush, j, y)
        j += 30
    Next i
End Sub

적용 대상

TransformVectors(PointF[])

Source:
Matrix.cs
Source:
Matrix.cs
Source:
Matrix.cs
Source:
Matrix.cs
Source:
Matrix.cs

배열의 각 벡터에 행렬을 곱합니다. 이 행렬의 변환 요소(세 번째 행)는 무시됩니다.

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

매개 변수

pts
PointF[]

변환할 점을 나타내는 Point 구조체의 배열입니다.

예제

예제는 TransformVectors(Point[])참조하세요.

적용 대상

TransformVectors(ReadOnlySpan<Point>)

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

매개 변수

적용 대상

TransformVectors(ReadOnlySpan<PointF>)

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

매개 변수

적용 대상