Csharp/C Sharp/2D Graphics/StringAlignment — различия между версиями

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м (1 версия)
 
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Текущая версия на 11:42, 26 мая 2010

Enuermate the StringAlignment value

 

using System;
using System.Drawing;
using System.Windows.Forms;
   
class StringAlignmentRectangle: Form
{
     public static void Main()
     {
          Application.Run(new StringAlignmentRectangle());
     }
     public StringAlignmentRectangle()
     {
          Text = "String Alignment (RectangleF in DrawString)";
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          Brush        brush    = new SolidBrush(clr);
          RectangleF   rectf    = new RectangleF(0, 0, cx, cy);
          string[]     strAlign = { "Near", "Center", "Far" };
          StringFormat strfmt   = new StringFormat();
   
          for (int iVert = 0; iVert < 3; iVert++){
              for (int iHorz = 0; iHorz < 3; iHorz++)
              {
                   strfmt.LineAlignment = (StringAlignment)iVert;
                   strfmt.Alignment     = (StringAlignment)iHorz;
       
                   grfx.DrawString(
                        String.Format("LineAlignment = {0}\nAlignment = {1}",
                                      strAlign[iVert], strAlign[iHorz]),
                        Font, brush, rectf, strfmt);
              }
          }    
     }
}


StringAlignment.Center

 

using System;
using System.Drawing;
using System.Windows.Forms;
   
class HelloCenteredRectangle: Form
{
     public static void Main() 
     {
          Application.Run(new HelloCenteredRectangle()); 
     }
     public HelloCenteredRectangle()
     {
          Text = "Hello Centered Using Rectangle";
          BackColor = SystemColors.Window;
          ForeColor = SystemColors.WindowText;
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics     grfx   = pea.Graphics;
          StringFormat strfmt = new StringFormat();
   
          strfmt.Alignment     = StringAlignment.Center;
          strfmt.LineAlignment = StringAlignment.Center;
   
          grfx.DrawString("Hello, world!", Font, new SolidBrush(ForeColor),
                          ClientRectangle, strfmt);
     }
}


StringAlignment.Far

 

using System;
using System.Drawing;
using System.Windows.Forms;
   
class FourCorners: Form
{
     public static void Main()
     {
          Application.Run(new FourCorners());
     }
     public FourCorners()
     {
          Text = "Four Corners Text Alignment";
          BackColor = SystemColors.Window;
          ForeColor = SystemColors.WindowText;
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics     graphics   = pea.Graphics;
          Brush        brush  = new SolidBrush(ForeColor);
          StringFormat strfmt = new StringFormat();
   
          strfmt.Alignment     = StringAlignment.Far;
          strfmt.LineAlignment = StringAlignment.Far;
          graphics.DrawString("Lower right corner", Font, brush, ClientSize.Width, ClientSize.Height, strfmt);
     }
}


StringAlignment.Near

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class FourCorners: Form
{
     public static void Main()
     {
          Application.Run(new FourCorners());
     }
     public FourCorners()
     {
          Text = "Four Corners Text Alignment";
          BackColor = SystemColors.Window;
          ForeColor = SystemColors.WindowText;
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics     graphics   = pea.Graphics;
          Brush        brush  = new SolidBrush(ForeColor);
          StringFormat strfmt = new StringFormat();
   
          strfmt.Alignment     = StringAlignment.Near;
          strfmt.LineAlignment = StringAlignment.Near;
          graphics.DrawString("Upper left corner", Font, brush, 0, 0, strfmt);
   
     }
}


String Alignment (PointF in DrawString)

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class StringAlignmentPoint: Form
{
     public static void Main()
     {
          Application.Run(new StringAlignmentPoint());
     }
     public StringAlignmentPoint()
     {
          Text = "";
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          Brush        brush    = new SolidBrush(clr);
          Pen          pen      = new Pen(clr);
          string[]     strAlign = { "Near", "Center", "Far" };
          StringFormat strfmt   = new StringFormat();
   
          grfx.DrawLine(pen, 0, cy / 2, cx, cy / 2);
          grfx.DrawLine(pen, cx / 2, 0, cx / 2, cy);
   
          for (int iVert = 0; iVert < 3; iVert += 2){
              for (int iHorz = 0; iHorz < 3; iHorz += 2)
              {
                   strfmt.LineAlignment = (StringAlignment)iVert;
                   strfmt.Alignment     = (StringAlignment)iHorz;
       
                   grfx.DrawString(
                        String.Format("LineAlignment = {0}\nAlignment = {1}",
                                      strAlign[iVert], strAlign[iHorz]),
                        Font, brush, cx / 2, cy / 2, strfmt);
              }
          }    
     }
}