Graphics Properties
/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Text;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace GraphicsProps_c
{
/// <summary>
/// Summary description for GraphicsProps.
/// </summary>
public class GraphicsProps : System.Windows.Forms.Form
{
private System.Windows.Forms.Button B0;
private System.Windows.Forms.Button B1;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
public GraphicsProps()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.B0 = new System.Windows.Forms.Button();
this.B1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// B0
//
this.B0.Location = new System.Drawing.Point(16, 240);
this.B0.Name = "B0";
this.B0.Size = new System.Drawing.Size(40, 24);
this.B0.TabIndex = 0;
this.B0.Text = "B0";
this.B0.Click += new System.EventHandler(this.B0_Click);
//
// B1
//
this.B1.Location = new System.Drawing.Point(72, 240);
this.B1.Name = "B1";
this.B1.Size = new System.Drawing.Size(40, 24);
this.B1.TabIndex = 1;
this.B1.Text = "B1";
this.B1.Click += new System.EventHandler(this.B1_Click);
//
// GraphicsProps
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.B1,
this.B0});
this.Name = "GraphicsProps";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "GraphicsProps";
this.Load += new System.EventHandler(this.GraphicsProps_Load);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new GraphicsProps());
}
private void GraphicsProps_Load(object sender, System.EventArgs e)
{
}
protected override void OnPaint ( PaintEventArgs e )
{
Graphics G = e.Graphics;
G.Clear(Color.Bisque);
//Change one of the Graphics attributes and save state
G.SmoothingMode=SmoothingMode.AntiAlias;
GraphicsState OldG = G.Save();
//Restore the attribute and draw a line
G.SmoothingMode=SmoothingMode.Default;
G.DrawLine(new Pen(Color.DarkMagenta, 20), 10, 50,
(int)(this.Width - 10), 140);
//Restore the old Graphics state and draw another line
G.Restore(OldG);
G.DrawLine(new Pen(Color.DarkMagenta, 20), 10, 100,
(int)(this.Width - 10), 190);
G.Dispose();
}
private void B0_Click(object sender, System.EventArgs e)
{
BeginContainerNoArg(this.CreateGraphics());
}
private void B1_Click(object sender, System.EventArgs e)
{
// BeginContainerIntRectArg(this.CreateGraphics());
// World2PageXform(this.CreateGraphics());
RenderText(this.CreateGraphics());
}
public void BeginContainerNoArg(Graphics G)
{
G.Clear(Color.Bisque);
//Change one of the attributes of the Graphics object
//then save the state.
G.SmoothingMode = SmoothingMode.AntiAlias;
GraphicsContainer OldG = G.BeginContainer();
//Restore the Smoothing mode state and draw a line
G.SmoothingMode = SmoothingMode.Default;
G.DrawLine(new Pen(Color.Chocolate, 20), 10, 50,
(int)(this.Width - 10), 150);
//Restore the old Graphics state and draw another line
G.EndContainer(OldG);
G.DrawLine(new Pen(Color.Chocolate, 20), 10, 100,
(int)(this.Width - 10), 200);
G.Dispose();
}
public void BeginContainerIntRectArg(Graphics G)
{
G.Clear(Color.Bisque);
// Define transformation for container.
Rectangle srcRect = new Rectangle(0, 0, 200, 200);
Rectangle destRect = new Rectangle(0, 0, 100, 100);
// Begin graphics container.
GraphicsContainer containerState = G.BeginContainer(destRect,
srcRect, GraphicsUnit.Pixel);
G.DrawLine(new Pen(Color.DarkOrchid, 20), 10, 100, 200, 100);
G.EndContainer(containerState);
G.DrawLine(new Pen(Color.DarkOrchid, 20), 10, 100, 200, 100);
G.Dispose();
}
public void World2PageXform(Graphics G)
{
int EndX = 1;
int EndY = 1;
G.Clear(Color.Azure);
G.PageUnit=GraphicsUnit.Inch;
G.TranslateTransform(1, 1);
G.DrawLine(Pens.Blue, 0, 0, EndX, EndY);
int Xpix = EndX * (int)G.DpiX;
int Ypix = EndY * (int)G.DpiY;
}
public void RenderText(Graphics G)
{
Font F = new Font("Arial", 16);
SolidBrush B = new SolidBrush(Color.Black);
G.Clear(Color.Azure);
G.TextRenderingHint = TextRenderingHint.SingleBitPerPixel;
G.DrawString("SingleBitPerPixel", F, B, new PointF(10, 10));
G.TextRenderingHint = TextRenderingHint.AntiAlias;
G.DrawString("AntiAlias default Contrast", F, B, new PointF(10, 60));
G.TextContrast = 12;
G.DrawString("AntiAlias Low Contrast", F, B, new PointF(10, 90));
G.TextContrast = 1;
G.DrawString("AntiAlias High Contrast", F, B, new PointF(10, 120));
}
}
}
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