Csharp/C Sharp/2D Graphics/Text Rendering

Материал из .Net Framework эксперт
Версия от 11:42, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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Draw string with hatch brush

 
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
    protected override void OnPaint(PaintEventArgs e) {
    Graphics g = e.Graphics;
    g.FillRectangle(Brushes.White, this.ClientRectangle);
    Font f = new Font("Times New Roman", 48, FontStyle.Bold);
    HatchBrush hb = new HatchBrush(HatchStyle.Cross,Color.White, Color.Black);
    g.DrawString("Crazy Crosshatch", f, hb, 0, 0);
    f.Dispose();
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}


DrawString with solid brush and rectangle

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class HuckleberryFinnHalfHeight: Form
{
     public static void Main()
     {
          Application.Run(new HuckleberryFinnHalfHeight());
     }
     public HuckleberryFinnHalfHeight()
     {
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics  grfx = pea.Graphics;
          int       cx   = ClientSize.Width;
          int       cy   = ClientSize.Height;
          Pen       pen  = new Pen(ForeColor);
          Rectangle rect = new Rectangle(0, 0, cx / 2, cy / 2);
   
          grfx.DrawString("some", Font, new SolidBrush(ForeColor), rect);
   
          grfx.DrawLine(pen, 0,      cy / 2, cx / 2, cy / 2);
          grfx.DrawLine(pen, cx / 2, 0,      cx / 2, cy / 2);
     }
}


DrawString with solid brush, string format

 
using System;
using System.Drawing;
using System.Drawing.Text;
using System.Windows.Forms;
   
class BoldAndItalicTighter: Form
{
     public static void Main()
     {
          Application.Run(new BoldAndItalicTighter());
     }
     public BoldAndItalicTighter()
     {
          Text = "Bold and Italic (Tighter)";
          Font = new Font("Times New Roman", 24);
          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)
     {
          string str        = "text.";
          Brush        brush       = new SolidBrush(clr);
          Font         fontRegular = Font;
          Font         fontBold    = new Font(fontRegular, FontStyle.Bold);
          Font         fontItalic  = new Font(fontRegular, FontStyle.Italic);
          PointF       ptf         = new PointF(0, 0);
          StringFormat strfmt      = StringFormat.GenericTypographic;
          strfmt.FormatFlags      |= StringFormatFlags.MeasureTrailingSpaces;
   
          grfx.DrawString(str, fontRegular, brush, ptf, strfmt);
     }
}


Hotkey Prefix

 

using System;
using System.Drawing;
using System.Drawing.Text;
using System.Windows.Forms;
   
class UnderlinedText: Form
{
     public static void Main()
     {
          Application.Run(new UnderlinedText());
     }
     public UnderlinedText()
     {
          Text = "Underlined Text Using HotkeyPrefix";
          Font = new Font("Times New Roman", 14);
          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)
     {
          string       str    = "This is some &u&n&d&e&r&l&i&n&e&d text!";
          StringFormat strfmt = new StringFormat();
   
          strfmt.HotkeyPrefix = HotkeyPrefix.Show;
   
          grfx.DrawString(str, Font, new SolidBrush(clr), 0, 0, strfmt);
     }
}


TextRenderingHint: Anti-Aliased Text

 
using System;
using System.Drawing;
using System.Drawing.Text;
using System.Windows.Forms;
   
class AntiAliasedText: Form
{
     public static void Main()
     {
          Application.Run(new AntiAliasedText());
     }
     public AntiAliasedText()
     {
          Font = new Font("Times New Roman", 12);
          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);
          string str    = "A ";
          int    cxText = (int) grfx.MeasureString(str, Font).Width;
   
          for (int i = 0; i < 6; i++)
          {
               grfx.TextRenderingHint = (TextRenderingHint)i;
               grfx.DrawString(str, Font, brush, i * cxText, 0);
          }
     }
}


Text Rendering Hint: AntiAliasGridFit

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Text;
public class Form1 : Form
{
  public Form1() {
        InitializeComponent();
        
  }
    private void SmoothingText_Paint(object sender, PaintEventArgs e)
    {
      Font TextFont = new Font("Times New Roman", 25, FontStyle.Italic);
      e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
      e.Graphics.DrawString("www.nfex.ru", TextFont, Brushes.Black, 20, 20);
    }
    private void InitializeComponent()
    {
      this.SuspendLayout();
      // 
      // SmoothingText
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(472, 315);
      this.Name = "SmoothingText";
      this.Text = "SmoothingText";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.SmoothingText_Paint);
      this.ResumeLayout(false);
    }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}


Text Rendering Hint: ClearTypeGridFit

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Text;
public class Form1 : Form
{
  public Form1() {
        InitializeComponent();
        
  }
    private void SmoothingText_Paint(object sender, PaintEventArgs e)
    {
      Font TextFont = new Font("Times New Roman", 25, FontStyle.Italic);
      e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
      e.Graphics.DrawString("www.nfex.ru", TextFont, Brushes.Black, 20, 20);
    }
    private void InitializeComponent()
    {
      this.SuspendLayout();
      // 
      // SmoothingText
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(472, 315);
      this.Name = "SmoothingText";
      this.Text = "SmoothingText";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.SmoothingText_Paint);
      this.ResumeLayout(false);
    }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}


Text Rendering Hint: SingleBitPerPixelGridFit

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Text;
public class Form1 : Form
{
  public Form1() {
        InitializeComponent();
        
  }
    private void SmoothingText_Paint(object sender, PaintEventArgs e)
    {
      Font TextFont = new Font("Times New Roman", 25, FontStyle.Italic);
      e.Graphics.TextRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;
      e.Graphics.DrawString("www.nfex.ru", TextFont, Brushes.Black, 20, 20);
    }
    private void InitializeComponent()
    {
      this.SuspendLayout();
      // 
      // SmoothingText
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(472, 315);
      this.Name = "SmoothingText";
      this.Text = "SmoothingText";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.SmoothingText_Paint);
      this.ResumeLayout(false);
    }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}


Use TexturedBrush to draw string

 
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class MainForm : Form {
    private Brush texturedTextBrush;
    private Brush texturedBGroundBrush;
    public MainForm() {
        Image bGroundBrushImage = new Bitmap("Clouds.bmp");
        texturedBGroundBrush = new TextureBrush(bGroundBrushImage);
        Image textBrushImage = new Bitmap("Soap Bubbles.bmp");
        texturedTextBrush = new TextureBrush(textBrushImage);
    }
    protected void OnPaint(PaintEventArgs e) {
        Graphics g = e.Graphics;
        Rectangle r = ClientRectangle;
        g.FillRectangle(texturedBGroundBrush, r);
        g.DrawString("Bitmaps as brushes",
                     new Font("Arial", 30,
                     FontStyle.Bold | FontStyle.Italic),
                     texturedTextBrush,
                     r);
    }
    public static void Main(){
       Application.Run(new MainForm());
    }
}