Csharp/C Sharp/2D Graphics/String Format — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Версия 18:31, 26 мая 2010
Содержание
Create a StringFormat object, and set the tab stops, in pixels
<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
Font f = new Font("Times New Roman", 12);
Font bf = new Font(f, FontStyle.Bold);
//
StringFormat sf = new StringFormat();
float[] ts = { 10.0f, 70.0f, 100.0f, 90.0f };
sf.SetTabStops(0.0f, ts);
// The \t escape-sequence in these lines specifies the tab
string s1 = "\tA\tAAA\tAAAAAA\tAAAAAAAA";
string s2 = "\tAAAA\tAAAAAA\tAAAA\tA";
g.DrawString(s1, bf, Brushes.Black, 20, 20, sf);
g.DrawString(s2, f, Brushes.Blue, 20, 20 + bf.Height, sf);
f.Dispose();
bf.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
StringFormat: Alignment, LineAlignment
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class HelloCenteredRectangle: Form {
public static void Main()
{
Application.Run(new HelloCenteredRectangle());
}
public HelloCenteredRectangle()
{
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);
}
}
</source>
String Format Flag: Direction Vertical
<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
String s = "Accrington Stanley";
StringFormat sf = new StringFormat(StringFormatFlags.DirectionVertical);
Font f = new Font("Times New Roman", 14);
SizeF sizef = g.MeasureString(s, f, Int32.MaxValue, sf);
RectangleF rf = new RectangleF(20, 20, sizef.Width, sizef.Height);
g.DrawRectangle(Pens.Black, rf.Left, rf.Top, rf.Width, rf.Height);
g.DrawString(s, f, Brushes.Black, rf, sf);
f.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
String format flag: No Wrap
<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.White, this.ClientRectangle);
String s = "This string is long enough to wrap. ";
Font f = new Font("Arial", 12);
Rectangle r = new Rectangle(20, 20, 150, f.Height * 4);
StringFormat sf = new StringFormat();
sf.FormatFlags = StringFormatFlags.NoWrap;
g.DrawRectangle(Pens.Black, r);
g.DrawString(s, f, Brushes.Black, r, sf);
f.Dispose();
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}
</source>
StringFormat.GenericTypographic
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; 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);
FontFamily ff = new FontFamily("Times New Roman");
Font f = new Font(ff, 12);
String s = "Height: " + f.Height;
SizeF sf = g.MeasureString(s, f, Int32.MaxValue,StringFormat.GenericTypographic);
RectangleF r = new RectangleF(0, 0, sf.Width, f.Height);
g.DrawRectangle(Pens.Black, r.Left, r.Top, r.Width, r.Height);
g.DrawString(s, f, Brushes.Black, r, StringFormat.GenericTypographic);
f.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
</source>
Text Columns
<source lang="csharp">
using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Drawing.Text; using System.Windows.Forms;
class TextColumns: Form {
public static void Main()
{
Application.Run(new TextColumns());
}
public TextColumns()
{
Font = new Font("Times New Roman", 10);
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);
int iChars, iLines;
string str = "Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text ";
StringFormat strfmt = new StringFormat();
PointF[] aptf = { new PointF(cx, cy) };
grfx.TransformPoints(CoordinateSpace.Device,
CoordinateSpace.Page, aptf);
grfx.PageUnit = GraphicsUnit.Point;
grfx.TransformPoints(CoordinateSpace.Page,
CoordinateSpace.Device, aptf);
float fcx = aptf[0].X;
float fcy = aptf[0].Y;
strfmt.HotkeyPrefix = HotkeyPrefix.Show;
strfmt.Trimming = StringTrimming.Word;
strfmt.FormatFlags |= StringFormatFlags.NoClip;
strfmt.SetTabStops(0, new float[] { 18 });
for (int x = 0; x < fcx && str.Length > 0; x += 156)
{
RectangleF rectf = new RectangleF(x, 0, 144,
fcy - Font.GetHeight(grfx));
grfx.DrawString(str, Font, brush, rectf, strfmt);
grfx.MeasureString(str, Font, rectf.Size, strfmt,
out iChars, out iLines);
str = str.Substring(iChars);
}
}
}
</source>
Text wrap: vertical, horizontal and trim
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.ruboBox lstAlignmentH;
private System.Windows.Forms.ruboBox lstTrimming;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.ruboBox lstAlignmentV;
public Form1() {
InitializeComponent();
ResizeRedraw = true;
lstAlignmentH.DataSource = Enum.GetNames(typeof(StringAlignment));
lstAlignmentV.DataSource = Enum.GetNames(typeof(StringAlignment));
lstTrimming.DataSource = Enum.GetNames(typeof(StringTrimming));
}
private void TextWrap_Paint(object sender, PaintEventArgs e)
{
string text = "Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Alignment Center each line of text.Center each line of textCenter each line of textCenter each line of textCenter each line of textCenter each line of text";
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = (StringAlignment)Enum.Parse(typeof(StringAlignment), lstAlignmentH.Text);
stringFormat.LineAlignment = (StringAlignment)Enum.Parse(typeof(StringAlignment), lstAlignmentV.Text);
stringFormat.Trimming = (StringTrimming)Enum.Parse(typeof(StringTrimming), lstTrimming.Text);
Font font = new Font("Verdana", 12);
Rectangle rect = new Rectangle(30, 110, Width - 60, Height - 160);
e.Graphics.DrawString(text, font, Brushes.Black, rect, stringFormat);
Pen pen = Pens.Black;
e.Graphics.DrawRectangle(pen, rect);
}
private void lst_Changed(object sender, EventArgs e)
{
Invalidate();
}
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.lstAlignmentH = new System.Windows.Forms.ruboBox();
this.lstTrimming = new System.Windows.Forms.ruboBox();
this.label3 = new System.Windows.Forms.Label();
this.lstAlignmentV = new System.Windows.Forms.ruboBox();
this.SuspendLayout();
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(12, 19);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(113, 13);
this.label1.TabIndex = 0;
this.label1.Text = "Alignment (Horizontal):";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(12, 74);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(49, 13);
this.label2.TabIndex = 1;
this.label2.Text = "Trimming:";
//
// lstAlignmentH
//
this.lstAlignmentH.DropDownStyle = System.Windows.Forms.ruboBoxStyle.DropDownList;
this.lstAlignmentH.FormattingEnabled = true;
this.lstAlignmentH.Location = new System.Drawing.Point(131, 16);
this.lstAlignmentH.Name = "lstAlignmentH";
this.lstAlignmentH.Size = new System.Drawing.Size(121, 21);
this.lstAlignmentH.TabIndex = 2;
this.lstAlignmentH.SelectedIndexChanged += new System.EventHandler(this.lst_Changed);
//
// lstTrimming
//
this.lstTrimming.DropDownStyle = System.Windows.Forms.ruboBoxStyle.DropDownList;
this.lstTrimming.FormattingEnabled = true;
this.lstTrimming.Location = new System.Drawing.Point(131, 69);
this.lstTrimming.Name = "lstTrimming";
this.lstTrimming.Size = new System.Drawing.Size(121, 21);
this.lstTrimming.TabIndex = 3;
this.lstTrimming.SelectedIndexChanged += new System.EventHandler(this.lst_Changed);
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(12, 47);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(100, 13);
this.label3.TabIndex = 4;
this.label3.Text = "Alignment (Vertical):";
//
// lstAlignmentV
//
this.lstAlignmentV.DropDownStyle = System.Windows.Forms.ruboBoxStyle.DropDownList;
this.lstAlignmentV.FormattingEnabled = true;
this.lstAlignmentV.Location = new System.Drawing.Point(131, 42);
this.lstAlignmentV.Name = "lstAlignmentV";
this.lstAlignmentV.Size = new System.Drawing.Size(121, 21);
this.lstAlignmentV.TabIndex = 5;
this.lstAlignmentV.SelectedIndexChanged += new System.EventHandler(this.lst_Changed);
//
// TextWrap
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(319, 296);
this.Controls.Add(this.lstAlignmentV);
this.Controls.Add(this.label3);
this.Controls.Add(this.lstTrimming);
this.Controls.Add(this.lstAlignmentH);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "TextWrap";
this.Text = "Text Wrap";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.TextWrap_Paint);
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
