Graphics.DrawClosedCurve Metode

Definisi

Ruang nama:

System.Drawing

Rakitan:

System.Drawing.Common.dll

Paket:

System.Drawing.Common v8.0.0

Menggambar spline kardinal tertutup yang ditentukan oleh array Point struktur.

Overload

DrawClosedCurve(Pen, PointF[], Single, FillMode)	Menggambar spline kardinal tertutup yang ditentukan oleh array PointF struktur menggunakan ketegangan tertentu.
DrawClosedCurve(Pen, Point[], Single, FillMode)	Menggambar spline kardinal tertutup yang ditentukan oleh array Point struktur menggunakan ketegangan tertentu.
DrawClosedCurve(Pen, Point[])	Menggambar spline kardinal tertutup yang ditentukan oleh array Point struktur.
DrawClosedCurve(Pen, PointF[])	Menggambar spline kardinal tertutup yang ditentukan oleh array PointF struktur.

DrawClosedCurve(Pen, PointF[], Single, FillMode)

Sumber:

Graphics.cs

Menggambar spline kardinal tertutup yang ditentukan oleh array PointF struktur menggunakan ketegangan tertentu.

public:
 void DrawClosedCurve(System::Drawing::Pen ^ pen, cli::array <System::Drawing::PointF> ^ points, float tension, System::Drawing::Drawing2D::FillMode fillmode);

public void DrawClosedCurve (System.Drawing.Pen pen, System.Drawing.PointF[] points, float tension, System.Drawing.Drawing2D.FillMode fillmode);

member this.DrawClosedCurve : System.Drawing.Pen * System.Drawing.PointF[] * single * System.Drawing.Drawing2D.FillMode -> unit

Public Sub DrawClosedCurve (pen As Pen, points As PointF(), tension As Single, fillmode As FillMode)

Parameter

pen

Pen

Pen yang menentukan warna, lebar, dan tinggi kurva.

points

PointF[]

PointF Array struktur yang menentukan spline.

tension

Single

Nilai lebih besar dari atau sama dengan 0,0F yang menentukan ketegangan kurva.

fillmode

FillMode

Anggota FillMode enumerasi yang menentukan bagaimana kurva diisi. Parameter ini diperlukan tetapi diabaikan.

Pengecualian

ArgumentNullException

penadalah null.

-atau-

pointsadalah null.

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Formulir Windows, dan memerlukan PaintEventArgse, yang merupakan parameter penanganan Paint aktivitas. Kode melakukan tindakan berikut:

• Membuat pena merah dan hijau.

• Membuat tujuh poin untuk menentukan kurva.

• Menggambar tujuh garis lurus merah di antara tujuh poin untuk membentuk poligon.

• Membuat pengaturan mode ketegangan dan pengisian.

• Menggambar kurva tertutup hijau melalui tujuh poin.

Metode ini menggunakan ketegangan 1.0 dan mengatur mode pengisian ke FillMode.Alternate.

private:
   void DrawClosedCurvePointFTension( PaintEventArgs^ e )
   {
      // Create pens.
      Pen^ redPen = gcnew Pen( Color::Red,3.0f );
      Pen^ greenPen = gcnew Pen( Color::Green,3.0f );

      // Create points that define curve.
      PointF point1 = PointF(50.0F,50.0F);
      PointF point2 = PointF(100.0F,25.0F);
      PointF point3 = PointF(200.0F,5.0F);
      PointF point4 = PointF(250.0F,50.0F);
      PointF point5 = PointF(300.0F,100.0F);
      PointF point6 = PointF(350.0F,200.0F);
      PointF point7 = PointF(250.0F,250.0F);
      array<PointF>^ curvePoints = {point1,point2,point3,point4,point5,point6,point7};

      // Draw lines between original points to screen.
      e->Graphics->DrawLines( redPen, curvePoints );

      // Create tension and fill mode.
      float tension = 1.0F;
      FillMode aFillMode = FillMode::Alternate;

      // Draw closed curve to screen.
      e->Graphics->DrawClosedCurve( greenPen, curvePoints, tension, aFillMode );
   }

private void DrawClosedCurvePointFTension(PaintEventArgs e)
{

    // Create pens.
    Pen redPen = new Pen(Color.Red, 3);
    Pen greenPen = new Pen(Color.Green, 3);

    // Create points that define curve.
    PointF point1 = new PointF(50.0F, 50.0F);
    PointF point2 = new PointF(100.0F, 25.0F);
    PointF point3 = new PointF(200.0F, 5.0F);
    PointF point4 = new PointF(250.0F, 50.0F);
    PointF point5 = new PointF(300.0F, 100.0F);
    PointF point6 = new PointF(350.0F, 200.0F);
    PointF point7 = new PointF(250.0F, 250.0F);
    PointF[] curvePoints = {point1, point2, point3, point4, point5, point6, point7};

    // Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints);

    // Create tension and fill mode.
    float tension = 1.0F;
    FillMode aFillMode = FillMode.Alternate;

    // Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints, tension, aFillMode);
}

Private Sub DrawClosedCurvePointFTension(ByVal e As PaintEventArgs)

    ' Create pens.
    Dim redPen As New Pen(Color.Red, 3)
    Dim greenPen As New Pen(Color.Green, 3)

    ' Create points that define curve.
    Dim point1 As New PointF(50.0F, 50.0F)
    Dim point2 As New PointF(100.0F, 25.0F)
    Dim point3 As New PointF(200.0F, 5.0F)
    Dim point4 As New PointF(250.0F, 50.0F)
    Dim point5 As New PointF(300.0F, 100.0F)
    Dim point6 As New PointF(350.0F, 200.0F)
    Dim point7 As New PointF(250.0F, 250.0F)
    Dim curvePoints As PointF() = {point1, point2, point3, point4, _
    point5, point6, point7}

    ' Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints)

    ' Create tension and fill mode.
    Dim tension As Single = 1.0F
    Dim aFillMode As FillMode = FillMode.Alternate

    ' Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints, tension, _
    aFillMode)
End Sub

Keterangan

Metode ini menggambar spline kardinal tertutup yang melewati setiap titik dalam array. Jika titik terakhir tidak cocok dengan titik pertama, segmen kurva tambahan ditambahkan dari titik terakhir ke titik pertama untuk menutupnya.

Array titik harus berisi setidaknya empat PointF struktur.

Parameter tension menentukan bentuk spline. Jika nilai tension parameter adalah 0,0F, metode ini menarik segmen garis lurus untuk menyambungkan titik. Biasanya, tension parameter kurang dari atau sama dengan 1.0F. Nilai di atas 1,0F menghasilkan hasil yang tidak biasa.

DrawClosedCurve(Pen, Point[], Single, FillMode)

Sumber:

Graphics.cs

Menggambar spline kardinal tertutup yang ditentukan oleh array Point struktur menggunakan ketegangan tertentu.

public:
 void DrawClosedCurve(System::Drawing::Pen ^ pen, cli::array <System::Drawing::Point> ^ points, float tension, System::Drawing::Drawing2D::FillMode fillmode);

public void DrawClosedCurve (System.Drawing.Pen pen, System.Drawing.Point[] points, float tension, System.Drawing.Drawing2D.FillMode fillmode);

member this.DrawClosedCurve : System.Drawing.Pen * System.Drawing.Point[] * single * System.Drawing.Drawing2D.FillMode -> unit

Public Sub DrawClosedCurve (pen As Pen, points As Point(), tension As Single, fillmode As FillMode)

Parameter

pen

Pen

Pen yang menentukan warna, lebar, dan tinggi kurva.

points

Point[]

Point Array struktur yang menentukan spline.

tension

Single

Nilai lebih besar dari atau sama dengan 0,0F yang menentukan ketegangan kurva.

fillmode

FillMode

Anggota FillMode enumerasi yang menentukan bagaimana kurva diisi. Parameter ini diperlukan tetapi diabaikan.

Pengecualian

ArgumentNullException

penadalah null.

-atau-

pointsadalah null.

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Formulir Windows, dan memerlukan PaintEventArgse, yang merupakan parameter penanganan Paint aktivitas. Kode melakukan tindakan berikut:

• Membuat pena merah dan hijau.

• Membuat tujuh poin untuk menentukan kurva.

• Menggambar tujuh garis lurus merah di antara tujuh poin untuk membentuk poligon.

• Membuat pengaturan mode ketegangan dan pengisian.

• Menggambar kurva tertutup hijau melalui tujuh poin.

Metode ini menggunakan ketegangan 1.0 dan mengatur mode pengisian ke FillMode.Alternate.

private:
   void DrawClosedCurvePointTension( PaintEventArgs^ e )
   {
      // Create pens.
      Pen^ redPen = gcnew Pen( Color::Red,3.0f );
      Pen^ greenPen = gcnew Pen( Color::Green,3.0f );

      // Create points that define curve.
      Point point1 = Point(50,50);
      Point point2 = Point(100,25);
      Point point3 = Point(200,5);
      Point point4 = Point(250,50);
      Point point5 = Point(300,100);
      Point point6 = Point(350,200);
      Point point7 = Point(250,250);
      array<Point>^ curvePoints = {point1,point2,point3,point4,point5,point6,point7};

      // Draw lines between original points to screen.
      e->Graphics->DrawLines( redPen, curvePoints );

      // Create tension and fill mode.
      float tension = 1.0F;
      FillMode aFillMode = FillMode::Alternate;

      // Draw closed curve to screen.
      e->Graphics->DrawClosedCurve( greenPen, curvePoints, tension, aFillMode );
   }

private void DrawClosedCurvePointTension(PaintEventArgs e)
{

    // Create pens.
    Pen redPen = new Pen(Color.Red, 3);
    Pen greenPen = new Pen(Color.Green, 3);

    // Create points that define curve.
    Point point1 = new Point(50, 50);
    Point point2 = new Point(100, 25);
    Point point3 = new Point(200, 5);
    Point point4 = new Point(250, 50);
    Point point5 = new Point(300, 100);
    Point point6 = new Point(350, 200);
    Point point7 = new Point(250, 250);
    Point[] curvePoints = {point1, point2, point3, point4, point5, point6, point7};

    // Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints);

    // Create tension and fill mode.
    float tension = 1.0F;
    FillMode aFillMode = FillMode.Alternate;

    // Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints, tension, aFillMode);
}

Private Sub DrawClosedCurvePointTension(ByVal e As PaintEventArgs)

    ' Create pens.
    Dim redPen As New Pen(Color.Red, 3)
    Dim greenPen As New Pen(Color.Green, 3)

    ' Create points that define curve.
    Dim point1 As New Point(50, 50)
    Dim point2 As New Point(100, 25)
    Dim point3 As New Point(200, 5)
    Dim point4 As New Point(250, 50)
    Dim point5 As New Point(300, 100)
    Dim point6 As New Point(350, 200)
    Dim point7 As New Point(250, 250)
    Dim curvePoints As Point() = {point1, point2, point3, point4, _
    point5, point6, point7}

    ' Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints)

    ' Create tension and fill mode.
    Dim tension As Single = 1.0F
    Dim aFillMode As FillMode = FillMode.Alternate

    ' Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints, tension, _
    aFillMode)
End Sub

Keterangan

Metode ini menggambar spline kardinal tertutup yang melewati setiap titik dalam array. Jika titik terakhir tidak cocok dengan titik pertama, segmen kurva tambahan ditambahkan dari titik terakhir ke titik pertama untuk menutupnya.

Array titik harus berisi setidaknya empat Point struktur.

Parameter tension menentukan bentuk spline. Jika nilai tension parameter adalah 0,0F, metode ini menarik segmen garis lurus untuk menyambungkan titik. Biasanya, tension parameter kurang dari atau sama dengan 1.0F. Nilai di atas 1,0F menghasilkan hasil yang tidak biasa.

DrawClosedCurve(Pen, Point[])

Sumber:

Graphics.cs

Menggambar spline kardinal tertutup yang ditentukan oleh array Point struktur.

public:
 void DrawClosedCurve(System::Drawing::Pen ^ pen, cli::array <System::Drawing::Point> ^ points);

public void DrawClosedCurve (System.Drawing.Pen pen, System.Drawing.Point[] points);

member this.DrawClosedCurve : System.Drawing.Pen * System.Drawing.Point[] -> unit

Public Sub DrawClosedCurve (pen As Pen, points As Point())

Parameter

pen

Pen

Pen yang menentukan warna, lebar, dan tinggi kurva.

points

Point[]

Point Array struktur yang menentukan spline.

Pengecualian

ArgumentNullException

penadalah null.

-atau-

pointsadalah null.

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Formulir Windows, dan memerlukan PaintEventArgse, yang merupakan parameter penanganan Paint aktivitas. Kode melakukan tindakan berikut:

• Membuat pena merah dan hijau.

• Membuat tujuh poin untuk menentukan kurva.

• Menggambar tujuh garis lurus merah di antara tujuh poin untuk membentuk poligon tertutup.

• Menggambar kurva tertutup hijau melalui tujuh poin.

Metode ini menggunakan ketegangan default 0,5.

private:
   void DrawClosedCurvePoint( PaintEventArgs^ e )
   {

      // Create pens.
      Pen^ redPen = gcnew Pen( Color::Red,3.0f );
      Pen^ greenPen = gcnew Pen( Color::Green,3.0f );

      // Create points that define curve.
      Point point1 = Point(50,50);
      Point point2 = Point(100,25);
      Point point3 = Point(200,5);
      Point point4 = Point(250,50);
      Point point5 = Point(300,100);
      Point point6 = Point(350,200);
      Point point7 = Point(250,250);
      array<Point>^ curvePoints = {point1,point2,point3,point4,point5,point6,point7};

      // Draw lines between original points to screen.
      e->Graphics->DrawLines( redPen, curvePoints );

      // Draw closed curve to screen.
      e->Graphics->DrawClosedCurve( greenPen, curvePoints );
   }

private void DrawClosedCurvePoint(PaintEventArgs e)
{
    // Create pens.
    Pen redPen   = new Pen(Color.Red, 3);
    Pen greenPen = new Pen(Color.Green, 3);
             
    // Create points that define curve.
    Point point1 = new Point(50,  50);
    Point point2 = new Point(100,  25);
    Point point3 = new Point(200,   5);
    Point point4 = new Point(250,  50);
    Point point5 = new Point(300, 100);
    Point point6 = new Point(350, 200);
    Point point7 = new Point(250, 250);
    Point[] curvePoints =
             {
                 point1,
                 point2,
                 point3,
                 point4,
                 point5,
                 point6,
                 point7
             };
             
    // Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints);
             
    // Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints);
}

Private Sub DrawClosedCurvePoint(ByVal e As PaintEventArgs)

    ' Create pens.
    Dim redPen As New Pen(Color.Red, 3)
    Dim greenPen As New Pen(Color.Green, 3)

    ' Create points that define curve.
    Dim point1 As New Point(50, 50)
    Dim point2 As New Point(100, 25)
    Dim point3 As New Point(200, 5)
    Dim point4 As New Point(250, 50)
    Dim point5 As New Point(300, 100)
    Dim point6 As New Point(350, 200)
    Dim point7 As New Point(250, 250)
    Dim curvePoints As Point() = {point1, point2, point3, point4, _
    point5, point6, point7}

    ' Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints)

    ' Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints)
End Sub

Keterangan

Metode ini menggambar spline kardinal tertutup yang melewati setiap titik dalam array. Jika titik terakhir tidak cocok dengan poin pertama, segmen kurva tambahan ditambahkan dari titik terakhir ke titik pertama untuk menutup gambar.

Array titik harus berisi setidaknya empat Point struktur.

Metode ini menggunakan ketegangan default 0,5.

DrawClosedCurve(Pen, PointF[])

Sumber:

Graphics.cs

Menggambar spline kardinal tertutup yang ditentukan oleh array PointF struktur.

public:
 void DrawClosedCurve(System::Drawing::Pen ^ pen, cli::array <System::Drawing::PointF> ^ points);

public void DrawClosedCurve (System.Drawing.Pen pen, System.Drawing.PointF[] points);

member this.DrawClosedCurve : System.Drawing.Pen * System.Drawing.PointF[] -> unit

Public Sub DrawClosedCurve (pen As Pen, points As PointF())

Parameter

pen

Pen

Pen yang menentukan warna, lebar, dan tinggi kurva.

points

PointF[]

PointF Array struktur yang menentukan spline.

Pengecualian

ArgumentNullException

penadalah null.

-atau-

pointsadalah null.

Contoh

Contoh kode berikut dirancang untuk digunakan dengan Formulir Windows, dan memerlukan PaintEventArgse, yang merupakan parameter penanganan Paint aktivitas. Kode melakukan tindakan berikut:

• Membuat pena merah dan hijau.

• Membuat tujuh poin untuk menentukan kurva.

• Menggambar tujuh garis lurus merah di antara tujuh poin untuk membentuk poligon tertutup.

• Menggambar kurva tertutup hijau melalui tujuh poin.

Metode ini menggunakan ketegangan default 0,5.

private:
   void DrawClosedCurvePointF( PaintEventArgs^ e )
   {
      // Create pens.
      Pen^ redPen = gcnew Pen( Color::Red,3.0f );
      Pen^ greenPen = gcnew Pen( Color::Green,3.0f );

      // Create points that define curve.
      PointF point1 = PointF(50.0F,50.0F);
      PointF point2 = PointF(100.0F,25.0F);
      PointF point3 = PointF(200.0F,5.0F);
      PointF point4 = PointF(250.0F,50.0F);
      PointF point5 = PointF(300.0F,100.0F);
      PointF point6 = PointF(350.0F,200.0F);
      PointF point7 = PointF(250.0F,250.0F);
      array<PointF>^ curvePoints = {point1,point2,point3,point4,point5,point6,point7};

      // Draw lines between original points to screen.
      e->Graphics->DrawLines( redPen, curvePoints );

      // Draw closed curve to screen.
      e->Graphics->DrawClosedCurve( greenPen, curvePoints );
   }

private void DrawClosedCurvePointF(PaintEventArgs e)
{

    // Create pens.
    Pen redPen = new Pen(Color.Red, 3);
    Pen greenPen = new Pen(Color.Green, 3);

    // Create points that define curve.
    PointF point1 = new PointF(50.0F, 50.0F);
    PointF point2 = new PointF(100.0F, 25.0F);
    PointF point3 = new PointF(200.0F, 5.0F);
    PointF point4 = new PointF(250.0F, 50.0F);
    PointF point5 = new PointF(300.0F, 100.0F);
    PointF point6 = new PointF(350.0F, 200.0F);
    PointF point7 = new PointF(250.0F, 250.0F);
    PointF[] curvePoints = {point1, point2, point3, point4, point5, point6, point7};

    // Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints);

    // Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints);
}

Private Sub DrawClosedCurvePointF(ByVal e As PaintEventArgs)

    ' Create pens.
    Dim redPen As New Pen(Color.Red, 3)
    Dim greenPen As New Pen(Color.Green, 3)

    ' Create points that define curve.
    Dim point1 As New PointF(50.0F, 50.0F)
    Dim point2 As New PointF(100.0F, 25.0F)
    Dim point3 As New PointF(200.0F, 5.0F)
    Dim point4 As New PointF(250.0F, 50.0F)
    Dim point5 As New PointF(300.0F, 100.0F)
    Dim point6 As New PointF(350.0F, 200.0F)
    Dim point7 As New PointF(250.0F, 250.0F)
    Dim curvePoints As PointF() = {point1, point2, point3, point4, _
    point5, point6, point7}

    ' Draw lines between original points to screen.
    e.Graphics.DrawLines(redPen, curvePoints)

    ' Draw closed curve to screen.
    e.Graphics.DrawClosedCurve(greenPen, curvePoints)
End Sub

Keterangan

Metode ini menggambar spline kardinal tertutup yang melewati setiap titik dalam array. Jika titik terakhir tidak cocok dengan titik pertama, segmen kurva tambahan ditambahkan dari titik terakhir ke titik pertama untuk menutupnya.

Array titik harus berisi setidaknya empat PointF struktur.

Metode ini menggunakan ketegangan default 0,5.