Image Flip



   

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace ImageFlip
{
    /// <summary>
    /// Summary description for ImageFlip.
    /// </summary>
    public class ImageFlip : System.Windows.Forms.Form
    {
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.CheckBox checkBox1;
        private System.Windows.Forms.RadioButton radioButton1;

        Image im = null;
        Image im2 = null;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.RadioButton radioButton2;
        private System.Windows.Forms.RadioButton radioButton3;

        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public ImageFlip()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            this.Text = "Flipping and Rotating";
            this.radioButton1.Checked = false;
            this.label1.Text = "";
            this.groupBox1.Text = "RotateFlipType";
            this.checkBox1.Text = "Paint";
            this.radioButton1.Text = "Rotate180FlipY";
            this.radioButton2.Text = "Rotate180FlipX";
            this.radioButton3.Text = "Rotate180FlipNone";

            this.radioButton1.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);
            this.radioButton2.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);
            this.radioButton3.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);

            //
            // 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.groupBox1 = new System.Windows.Forms.GroupBox();
            this.radioButton1 = new System.Windows.Forms.RadioButton();
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.label1 = new System.Windows.Forms.Label();
            this.radioButton2 = new System.Windows.Forms.RadioButton();
            this.radioButton3 = new System.Windows.Forms.RadioButton();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                    this.radioButton3,
                                                                                    this.radioButton2,
                                                                                    this.radioButton1,
                                                                                    this.checkBox1});
            this.groupBox1.Location = new System.Drawing.Point(312, 64);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(248, 80);
            this.groupBox1.TabIndex = 1;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "groupBox1";
            // 
            // radioButton1
            // 
            this.radioButton1.Location = new System.Drawing.Point(120, 16);
            this.radioButton1.Name = "radioButton1";
            this.radioButton1.Size = new System.Drawing.Size(112, 24);
            this.radioButton1.TabIndex = 1;
            this.radioButton1.Text = "radioButton1";
            // 
            // checkBox1
            // 
            this.checkBox1.Location = new System.Drawing.Point(16, 16);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.TabIndex = 0;
            this.checkBox1.Text = "checkBox1";
            this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(8, 8);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(304, 200);
            this.label1.TabIndex = 2;
            this.label1.Text = "label1";
            // 
            // radioButton2
            // 
            this.radioButton2.Location = new System.Drawing.Point(16, 48);
            this.radioButton2.Name = "radioButton2";
            this.radioButton2.TabIndex = 2;
            this.radioButton2.Text = "radioButton2";
            // 
            // radioButton3
            // 
            this.radioButton3.Location = new System.Drawing.Point(120, 48);
            this.radioButton3.Name = "radioButton3";
            this.radioButton3.Size = new System.Drawing.Size(120, 24);
            this.radioButton3.TabIndex = 3;
            this.radioButton3.Text = "radioButton3";
            // 
            // ImageFlip
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(560, 214);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.label1,
                                                                          this.groupBox1});
            this.Name = "ImageFlip";
            this.Text = "ImageFlip";
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);
        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new ImageFlip());
        }
        protected override void OnPaint(PaintEventArgs e)
        {   RotateFlip();   }
        private void label1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {   RotateFlip();   }
        private void checkBox1_CheckedChanged(object sender, System.EventArgs e)
        {   RotateFlip();   }
        private void radioButtons_CheckedChanged(object sender, System.EventArgs e)
        {   RotateFlip();   }
        protected void RotateFlip()
        {
            Graphics g = Graphics.FromHwnd(this.label1.Handle);
            Brush b = new SolidBrush(this.label1.BackColor);
    
            if (this.checkBox1.Checked) 
            {
                if (im == null) ReadImage();

                Graphics g2 = Graphics.FromImage(im);  // For text "Himalaya"
                FontFamily ff = new FontFamily("Times New Roman");
                Font f = new Font(ff, 25, FontStyle.Bold);
                g2.DrawString("HIMALAYA", f, new SolidBrush(Color.Yellow), 170, 210);
                g2.Dispose();               

                im2 = (Image)im.Clone();
            
                int w2 = label1.Width/2, h2 = label1.Height/2;
                g.DrawImage(im, 0, 0, w2, h2);
        
                if(this.radioButton1.Checked)  // Rotate180FlipY
                {
                    im2.RotateFlip(RotateFlipType.Rotate180FlipY);
                    g.DrawImage(im2, w2, 0, w2, h2);
                }
                else g.FillRectangle(b, w2, 0, w2, h2);  // Clear old

                if(this.radioButton2.Checked)  // Rotate180FlipX
                {
                    im2.RotateFlip(RotateFlipType.Rotate180FlipX);
                    g.DrawImage(im2, 0, h2, w2, h2);
                }
                else g.FillRectangle(b, 0, h2, w2, h2);  // Clear old
        
                if(this.radioButton3.Checked)  // Rotate180FlipNone
                {
                    im2.RotateFlip(RotateFlipType.Rotate180FlipNone);
                    g.DrawImage(im2, w2, h2, w2, h2);  // Clear old
                }
                else g.FillRectangle(b, w2, h2, w2, h2);

                im2.Dispose();
            }
            else Clear(g);
    
            b.Dispose();    g.Dispose();
        }
        protected void ReadImage()
        {
            string path = @"Himalaya.bmp";
            im = Image.FromFile(path);
            this.radioButton1.Enabled = true;
            this.radioButton2.Enabled = true;
            this.radioButton3.Enabled = true;
        }
        protected void Clear(Graphics g)
        {
            g.Clear(this.BackColor);
            g.Dispose();        
            im = null;
            im2 = null;
            this.radioButton1.Checked = false;
            this.radioButton2.Checked = false;
            this.radioButton3.Checked = false;
            this.radioButton1.Enabled = false;
            this.radioButton2.Enabled = false;
            this.radioButton3.Enabled = false;
        }
    }
}


           
          


P16_RotateFlip.zip( 240 k)

Image Zoom 1



   

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace ImageZoom
{
    /// <summary>
    /// Summary description for ImageZoom.
    /// </summary>
    public class ImageZoom1 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.RadioButton radioButton1;
        private System.Windows.Forms.RadioButton radioButton2;
        private System.Windows.Forms.RadioButton radioButton3;
        private System.Windows.Forms.RadioButton radioButton4;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.CheckBox checkBox1;

        Image im = null;
        Image im2 = null;

        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public ImageZoom1()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            this.Text = "Zooming";
            this.label1.Text = "";
            this.groupBox1.Text = "Zoom";
            this.checkBox1.Text = "Paint";
            this.radioButton1.Checked = false;
            this.radioButton1.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);
            this.radioButton2.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);
            this.radioButton3.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);
            this.radioButton4.CheckedChanged += new System.EventHandler(this.radioButtons_CheckedChanged);

            //
            // 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.label1 = new System.Windows.Forms.Label();
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.radioButton1 = new System.Windows.Forms.RadioButton();
            this.radioButton2 = new System.Windows.Forms.RadioButton();
            this.radioButton3 = new System.Windows.Forms.RadioButton();
            this.radioButton4 = new System.Windows.Forms.RadioButton();
            this.label2 = new System.Windows.Forms.Label();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(8, 16);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(200, 240);
            this.label1.TabIndex = 0;
            this.label1.Text = "label1";
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                    this.checkBox1,
                                                                                    this.radioButton1,
                                                                                    this.radioButton2,
                                                                                    this.radioButton3,
                                                                                    this.radioButton4});
            this.groupBox1.Location = new System.Drawing.Point(232, 48);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(72, 128);
            this.groupBox1.TabIndex = 1;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "groupBox1";
            // 
            // checkBox1
            // 
            this.checkBox1.Location = new System.Drawing.Point(8, 32);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.Size = new System.Drawing.Size(56, 24);
            this.checkBox1.TabIndex = 1;
            this.checkBox1.Text = "checkBox1";
            this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
            // 
            // radioButton1
            // 
            this.radioButton1.Location = new System.Drawing.Point(8, 64);
            this.radioButton1.Name = "radioButton1";
            this.radioButton1.Size = new System.Drawing.Size(16, 24);
            this.radioButton1.TabIndex = 0;
            this.radioButton1.Text = "radioButton1";
            // 
            // radioButton2
            // 
            this.radioButton2.Location = new System.Drawing.Point(40, 64);
            this.radioButton2.Name = "radioButton2";
            this.radioButton2.Size = new System.Drawing.Size(16, 24);
            this.radioButton2.TabIndex = 0;
            this.radioButton2.Text = "radioButton1";
            // 
            // radioButton3
            // 
            this.radioButton3.Location = new System.Drawing.Point(8, 96);
            this.radioButton3.Name = "radioButton3";
            this.radioButton3.Size = new System.Drawing.Size(16, 24);
            this.radioButton3.TabIndex = 0;
            this.radioButton3.Text = "radioButton1";
            // 
            // radioButton4
            // 
            this.radioButton4.Location = new System.Drawing.Point(40, 96);
            this.radioButton4.Name = "radioButton4";
            this.radioButton4.Size = new System.Drawing.Size(16, 24);
            this.radioButton4.TabIndex = 0;
            this.radioButton4.Text = "radioButton1";
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(328, 16);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(200, 240);
            this.label2.TabIndex = 0;
            this.label2.Text = "label1";
            // 
            // ImageZoom
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(536, 266);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.groupBox1,
                                                                          this.label1,
                                                                          this.label2});
            this.Name = "ImageZoom";
            this.Text = "ImageZoom";
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new ImageZoom1());
        }
        protected override void OnPaint(PaintEventArgs e)
        {   ImageZoom();    }
        private void checkBox1_CheckedChanged(object sender, System.EventArgs e)
        {   ImageZoom();    }
        private void radioButtons_CheckedChanged(object sender, System.EventArgs e)
        {   ImageZoom();    }
        protected void ImageZoom()
        {
            Graphics g1 = Graphics.FromHwnd(this.label1.Handle);
            Graphics g2 = Graphics.FromHwnd(this.label2.Handle);
            Rectangle rec;
            Rectangle recPart;

            if (this.checkBox1.Checked) 
            {
                if (im == null) ReadImage();
         
                rec = new Rectangle(0, 0, label1.Width, label1.Height);
                g1.DrawImage(im, rec);
                
                // Center part:
                recPart = new Rectangle(im.Width/4, im.Height/4, im.Width/2,
                    im.Height/2);
                if(this.radioButton1.Checked)  // Left-Top part
                    recPart = new Rectangle(0, 0, im.Width/2, im.Height/2);
                if(this.radioButton2.Checked)  // Right-Top part
                    recPart = new Rectangle(im.Width/2, 0, im.Width/2, im.Height/2);
                if(this.radioButton3.Checked)  // Left-Down part
                    recPart = new Rectangle(0, im.Height/2, im.Width/2, im.Height/2);
                if(this.radioButton4.Checked)  // Right-Down part
                    recPart = new Rectangle(im.Width/2, im.Height/2, im.Width/2,
                        im.Height/2);

                g2.DrawImage(im, rec, recPart, GraphicsUnit.Pixel);
            }
            else 
            {
                Clear(g1);
                Clear(g2);
            }

            g1.Dispose();   g2.Dispose();      
        }
        protected void ReadImage()
        {
            string path = @"szeret3.BMP";
            im = Image.FromFile(path);
            this.radioButton1.Enabled = true;
            this.radioButton2.Enabled = true;
            this.radioButton3.Enabled = true;
            this.radioButton4.Enabled = true;
        }
        protected void Clear(Graphics g)
        {
            g.Clear(this.BackColor);
            g.Dispose();        
            im = null;
            im2 = null;
            this.radioButton1.Checked = false;
            this.radioButton2.Checked = false;
            this.radioButton3.Checked = false;
            this.radioButton4.Checked = false;
            
            this.radioButton1.Enabled = false;
            this.radioButton2.Enabled = false;
            this.radioButton3.Enabled = false;
            this.radioButton4.Enabled = false;
        }
    }
}

           
          


P15_ImageZoom.zip( 397 k)

Cube Image



   

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace Cube
{
    /// <summary>
    /// Summary description for CubeImage.
    /// </summary>
    public class CubeImage : System.Windows.Forms.Form
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public CubeImage()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            this.Text = "Picture Cube";

            //
            // 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()
        {
            // 
            // CubeImage
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 189);
            this.Name = "CubeImage";
            this.Text = "CubeImage";

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new CubeImage());
        }
        protected override void OnPaint(PaintEventArgs pea)
        {
            CubeDBuf();
        }
        private void CubeDBuf()
        {
            Graphics g;

            string path;
            int x = 100, y = 40;
            Point A = new Point( 10,  50);
            Point B = new Point(180,  50);
            Point C = new Point( 10, 170);
    
            Point a = new Point(A.X + x, A.Y - y);
            Point b = new Point(B.X + x, B.Y - y);
            Point Z = new Point(B.X, C.Y);

            Point[] p3Fro = {A, B, C};
            Point[] p3Top = {a, b, A};
            Point[] p3Rig = {B, b, Z};

            Bitmap bm = new Bitmap(B.X +x, C.Y + y);
            g = Graphics.FromImage(bm);
 
            path = @"IndonHouses.bmp";
            Image im1 = Image.FromFile(path);
            g.DrawImage(im1, p3Fro);

            path = @"Pyramids.BMP";
            Image im3 = Image.FromFile(path);
            g.DrawImage(im3, p3Top);

            path = @"TadjMahal.bmp";
            Image im2 = Image.FromFile(path);
            g.DrawImage(im2, p3Rig);
    
            g = Graphics.FromHwnd(this.Handle);
            g.DrawImage(bm, 1, 1);

            g.Dispose();
        }
    }
}


           
          


P14_ImageCube.zip( 317 k)

Control Palette


   

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald

Publisher: Apress
ISBN: 1590590457
*/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

    /// <summary>
    /// Summary description for ControlPalette.
    /// </summary>
    public class ControlPalette : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.ImageList images;
        internal System.Windows.Forms.Label lblPictureThree;
        internal System.Windows.Forms.Label lblPictureTwo;
        internal System.Windows.Forms.Label lblPictureOne;
        private System.ComponentModel.IContainer components;

        public ControlPalette()
        {
            //
            // 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.components = new System.ComponentModel.Container();
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(ControlPalette));
            this.images = new System.Windows.Forms.ImageList(this.components);
            this.lblPictureThree = new System.Windows.Forms.Label();
            this.lblPictureTwo = new System.Windows.Forms.Label();
            this.lblPictureOne = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // images
            // 
            this.images.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
            this.images.ImageSize = new System.Drawing.Size(16, 16);
            this.images.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("images.ImageStream")));
            this.images.TransparentColor = System.Drawing.Color.Transparent;
            // 
            // lblPictureThree
            // 
            this.lblPictureThree.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.lblPictureThree.Image = ((System.Drawing.Bitmap)(resources.GetObject("lblPictureThree.Image")));
            this.lblPictureThree.ImageIndex = 2;
            this.lblPictureThree.ImageList = this.images;
            this.lblPictureThree.Location = new System.Drawing.Point(8, 112);
            this.lblPictureThree.Name = "lblPictureThree";
            this.lblPictureThree.Size = new System.Drawing.Size(56, 48);
            this.lblPictureThree.TabIndex = 3;
            this.lblPictureThree.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbl_MouseDown);
            // 
            // lblPictureTwo
            // 
            this.lblPictureTwo.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.lblPictureTwo.Image = ((System.Drawing.Bitmap)(resources.GetObject("lblPictureTwo.Image")));
            this.lblPictureTwo.ImageIndex = 1;
            this.lblPictureTwo.ImageList = this.images;
            this.lblPictureTwo.Location = new System.Drawing.Point(8, 60);
            this.lblPictureTwo.Name = "lblPictureTwo";
            this.lblPictureTwo.Size = new System.Drawing.Size(56, 48);
            this.lblPictureTwo.TabIndex = 2;
            this.lblPictureTwo.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbl_MouseDown);
            // 
            // lblPictureOne
            // 
            this.lblPictureOne.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.lblPictureOne.Image = ((System.Drawing.Bitmap)(resources.GetObject("lblPictureOne.Image")));
            this.lblPictureOne.ImageIndex = 0;
            this.lblPictureOne.ImageList = this.images;
            this.lblPictureOne.Location = new System.Drawing.Point(8, 8);
            this.lblPictureOne.Name = "lblPictureOne";
            this.lblPictureOne.Size = new System.Drawing.Size(56, 48);
            this.lblPictureOne.TabIndex = 1;
            this.lblPictureOne.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbl_MouseDown);
            // 
            // ControlPalette
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(76, 174);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.lblPictureThree,
                                                                          this.lblPictureTwo,
                                                                          this.lblPictureOne});
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.SizableToolWindow;
            this.Name = "ControlPalette";
            this.Text = "Pictures";
            this.ResumeLayout(false);

        }
        #endregion

        private void lbl_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            Label lbl = (Label)sender;
            lbl.DoDragDrop(lbl.Image, DragDropEffects.Copy);
        }
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new ControlPalette());
        }

    }



           
          


Picture Controls



   

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds

Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace PicControls
{
    /// <summary>
    /// Summary description for PicControls.
    /// </summary>
    public class PicControls : System.Windows.Forms.Form
    {
        private System.Windows.Forms.PictureBox p;
        private System.Windows.Forms.Panel PicPanel;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public PicControls()
        {
            //
            // 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.p = new System.Windows.Forms.PictureBox();
      this.PicPanel = new System.Windows.Forms.Panel();
      this.SuspendLayout();
      // 
      // p
      // 
      this.p.Location = new System.Drawing.Point(32, 40);
      this.p.Name = "p";
      this.p.Size = new System.Drawing.Size(136, 104);
      this.p.TabIndex = 0;
      this.p.TabStop = false;
      // 
      // PicPanel
      // 
      this.PicPanel.Location = new System.Drawing.Point(200, 120);
      this.PicPanel.Name = "PicPanel";
      this.PicPanel.Size = new System.Drawing.Size(200, 184);
      this.PicPanel.TabIndex = 1;
      // 
      // PicControls
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(424, 349);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                  this.PicPanel,
                                                                  this.p});
      this.Name = "PicControls";
      this.Text = "PicControls";
      this.Load += new System.EventHandler(this.PicControls_Load);
      this.ResumeLayout(false);

    }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new PicControls());
        }

    private void PicControls_Load(object sender, System.EventArgs e)
    {
      Bitmap b = new Bitmap("crane.jpg");
      //PictureBox is "p"
      p.Image = (Image)b;
    }






    }
}



           
          


PicControls.zip( 7 k)

MetaFile and Draw



   

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds

Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace MetaFile_c
{
    /// <summary>
    /// Summary description for MetaFile.
    /// </summary>
    public class MetaFile : System.Windows.Forms.Form
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public MetaFile()
        {
            //
            // 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()
        {
      // 
      // MetaFile
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.MaximizeBox = false;
      this.MinimizeBox = false;
      this.Name = "MetaFile";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "MetaFile";
      this.Load += new System.EventHandler(this.MetaFile_Load);

       }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new MetaFile());
        }

    private void MetaFile_Load(object sender, System.EventArgs e)
    {
      // Create a graphics object from the forms graphics object
      // and get the handle to it.
      using (Graphics FormGraphics = this.CreateGraphics())
      {
        IntPtr hdc = FormGraphics.GetHdc();

        // Now create a blank metafile using the graphics handle
        // This is the metafile where all drawing instructions will 
        // be recorded.
        Metafile mf = new Metafile("mymeta.emf", hdc);

        // In order to record drawing commands we need to draw on something
        // That something is a new graphics object
        using (Graphics MetaGraphics = Graphics.FromImage(mf))
        {
          using ( mf )
          {
            MetaGraphics.SmoothingMode = SmoothingMode.AntiAlias;

            //Now we are ready to draw on the metagraphics object
            MetaGraphics.DrawRectangle(Pens.Black, 10, 10, 100, 50 );
            MetaGraphics.DrawLine(Pens.Orange, 10, 70, 150, 100 );
          }
        }
        FormGraphics.ReleaseHdc(hdc);
      }
    }

    protected override void OnPaint( PaintEventArgs e )
    {
      Metafile mf = new Metafile("mymeta.emf");
      e.Graphics.DrawImage(mf, new Point(10,10));
    }


    }
}



           
          


MetaFile-c.zip( 1 k)

Image Class


   

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds

Publisher: Apress
ISBN: 159059035X
*/

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace ImageClass
{
    /// <summary>
    /// Summary description for ImageClass.
    /// </summary>
    public class ImageClass : System.Windows.Forms.Form
    {
    private System.Windows.Forms.OpenFileDialog ofdBitmap;
    private System.Windows.Forms.Button cmdOpen;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.Label label2;
    private System.Windows.Forms.Label label3;
    private System.Windows.Forms.Label label4;
    private System.Windows.Forms.Label label5;
    private System.Windows.Forms.Label lblHT;
    private System.Windows.Forms.Label lblWidth;
    private System.Windows.Forms.Label lblHdpi;
    private System.Windows.Forms.Label lblVdpi;
    private System.Windows.Forms.Label lblFormat;
    private System.Windows.Forms.Label label6;
    private System.Windows.Forms.Label lblSize;
    private System.Windows.Forms.Label lblDIM;
    private System.Windows.Forms.Label label8;
    private System.Windows.Forms.Button cmdSetRes;

    #region Class local variables
    Bitmap Bmp;
    RectangleF BMPContainer;
    #endregion

        public ImageClass()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

      ofdBitmap.Filter= "Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF";
      ofdBitmap.InitialDirectory = "";
    }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
      if (Bmp != null)
        Bmp.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.ofdBitmap = new System.Windows.Forms.OpenFileDialog();
      this.cmdOpen = new System.Windows.Forms.Button();
      this.groupBox1 = new System.Windows.Forms.GroupBox();
      this.label1 = new System.Windows.Forms.Label();
      this.label2 = new System.Windows.Forms.Label();
      this.label3 = new System.Windows.Forms.Label();
      this.label4 = new System.Windows.Forms.Label();
      this.label5 = new System.Windows.Forms.Label();
      this.lblHT = new System.Windows.Forms.Label();
      this.lblWidth = new System.Windows.Forms.Label();
      this.lblHdpi = new System.Windows.Forms.Label();
      this.lblVdpi = new System.Windows.Forms.Label();
      this.lblFormat = new System.Windows.Forms.Label();
      this.label6 = new System.Windows.Forms.Label();
      this.lblSize = new System.Windows.Forms.Label();
      this.lblDIM = new System.Windows.Forms.Label();
      this.label8 = new System.Windows.Forms.Label();
      this.cmdSetRes = new System.Windows.Forms.Button();
      this.groupBox1.SuspendLayout();
      this.SuspendLayout();
      // 
      // ofdBitmap
      // 
      this.ofdBitmap.FileOk += new System.ComponentModel.CancelEventHandler(this.OpenFile);
      // 
      // cmdOpen
      // 
      this.cmdOpen.Location = new System.Drawing.Point(16, 320);
      this.cmdOpen.Name = "cmdOpen";
      this.cmdOpen.Size = new System.Drawing.Size(72, 32);
      this.cmdOpen.TabIndex = 0;
      this.cmdOpen.Text = "Open";
      this.cmdOpen.Click += new System.EventHandler(this.Open);
      // 
      // groupBox1
      // 
      this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                            this.lblDIM,
                                                                            this.label8,
                                                                            this.lblSize,
                                                                            this.label6,
                                                                            this.lblFormat,
                                                                            this.lblVdpi,
                                                                            this.lblHdpi,
                                                                            this.lblWidth,
                                                                            this.lblHT,
                                                                            this.label5,
                                                                            this.label4,
                                                                            this.label3,
                                                                            this.label2,
                                                                            this.label1});
      this.groupBox1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.groupBox1.Location = new System.Drawing.Point(144, 80);
      this.groupBox1.Name = "groupBox1";
      this.groupBox1.Size = new System.Drawing.Size(224, 224);
      this.groupBox1.TabIndex = 2;
      this.groupBox1.TabStop = false;
      this.groupBox1.Text = "Attributes";
      // 
      // label1
      // 
      this.label1.Location = new System.Drawing.Point(8, 24);
      this.label1.Name = "label1";
      this.label1.Size = new System.Drawing.Size(64, 16);
      this.label1.TabIndex = 0;
      this.label1.Text = "Height";
      // 
      // label2
      // 
      this.label2.Location = new System.Drawing.Point(8, 72);
      this.label2.Name = "label2";
      this.label2.Size = new System.Drawing.Size(64, 16);
      this.label2.TabIndex = 1;
      this.label2.Text = "Hdpi";
      // 
      // label3
      // 
      this.label3.Location = new System.Drawing.Point(8, 48);
      this.label3.Name = "label3";
      this.label3.Size = new System.Drawing.Size(64, 16);
      this.label3.TabIndex = 2;
      this.label3.Text = "Width";
      // 
      // label4
      // 
      this.label4.Location = new System.Drawing.Point(8, 96);
      this.label4.Name = "label4";
      this.label4.Size = new System.Drawing.Size(64, 16);
      this.label4.TabIndex = 3;
      this.label4.Text = "Vdpi";
      // 
      // label5
      // 
      this.label5.Location = new System.Drawing.Point(8, 120);
      this.label5.Name = "label5";
      this.label5.Size = new System.Drawing.Size(64, 16);
      this.label5.TabIndex = 4;
      this.label5.Text = "Format";
      // 
      // lblHT
      // 
      this.lblHT.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblHT.Location = new System.Drawing.Point(80, 24);
      this.lblHT.Name = "lblHT";
      this.lblHT.Size = new System.Drawing.Size(136, 16);
      this.lblHT.TabIndex = 5;
      // 
      // lblWidth
      // 
      this.lblWidth.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblWidth.Location = new System.Drawing.Point(80, 48);
      this.lblWidth.Name = "lblWidth";
      this.lblWidth.Size = new System.Drawing.Size(136, 16);
      this.lblWidth.TabIndex = 6;
      // 
      // lblHdpi
      // 
      this.lblHdpi.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblHdpi.Location = new System.Drawing.Point(80, 72);
      this.lblHdpi.Name = "lblHdpi";
      this.lblHdpi.Size = new System.Drawing.Size(136, 16);
      this.lblHdpi.TabIndex = 7;
      // 
      // lblVdpi
      // 
      this.lblVdpi.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblVdpi.Location = new System.Drawing.Point(80, 96);
      this.lblVdpi.Name = "lblVdpi";
      this.lblVdpi.Size = new System.Drawing.Size(136, 16);
      this.lblVdpi.TabIndex = 8;
      // 
      // lblFormat
      // 
      this.lblFormat.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblFormat.Location = new System.Drawing.Point(80, 120);
      this.lblFormat.Name = "lblFormat";
      this.lblFormat.Size = new System.Drawing.Size(136, 16);
      this.lblFormat.TabIndex = 9;
      // 
      // label6
      // 
      this.label6.Location = new System.Drawing.Point(8, 160);
      this.label6.Name = "label6";
      this.label6.Size = new System.Drawing.Size(64, 16);
      this.label6.TabIndex = 10;
      this.label6.Text = "Size";
      // 
      // lblSize
      // 
      this.lblSize.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblSize.Location = new System.Drawing.Point(80, 160);
      this.lblSize.Name = "lblSize";
      this.lblSize.Size = new System.Drawing.Size(136, 16);
      this.lblSize.TabIndex = 11;
      // 
      // lblDIM
      // 
      this.lblDIM.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblDIM.Location = new System.Drawing.Point(80, 184);
      this.lblDIM.Name = "lblDIM";
      this.lblDIM.Size = new System.Drawing.Size(136, 16);
      this.lblDIM.TabIndex = 13;
      // 
      // label8
      // 
      this.label8.Location = new System.Drawing.Point(8, 184);
      this.label8.Name = "label8";
      this.label8.Size = new System.Drawing.Size(64, 16);
      this.label8.TabIndex = 12;
      this.label8.Text = "Dimensions";
      // 
      // cmdSetRes
      // 
      this.cmdSetRes.Location = new System.Drawing.Point(144, 320);
      this.cmdSetRes.Name = "cmdSetRes";
      this.cmdSetRes.Size = new System.Drawing.Size(128, 32);
      this.cmdSetRes.TabIndex = 3;
      this.cmdSetRes.Text = "Reset Resolution";
      this.cmdSetRes.Click += new System.EventHandler(this.SetRes);
      // 
      // ImageClass
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(392, 373);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                  this.cmdSetRes,
                                                                  this.groupBox1,
                                                                  this.cmdOpen});
      this.MaximizeBox = false;
      this.MinimizeBox = false;
      this.Name = "ImageClass";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "ImageClass";
      this.Load += new System.EventHandler(this.ImageClass_Load);
      this.groupBox1.ResumeLayout(false);
      this.ResumeLayout(false);

    }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new ImageClass());
        }

    private void ImageClass_Load(object sender, System.EventArgs e)
    {
    }

    protected override void OnPaint( PaintEventArgs e)
    {
      Graphics G = e.Graphics;
      if ( Bmp != null )
      {
        //OK Folks. This is a BitBlt!
        G.DrawImage(Bmp, BMPContainer);
      }

      base.OnPaint(e);
    }

    private void Open(object sender, System.EventArgs e)
    {
      ofdBitmap.ShowDialog();
    }

    private void OpenFile(object sender, 
                          System.ComponentModel.CancelEventArgs e)
    {
      //Wondering what sender is?  Use reflection!
      if ( !( sender is System.Windows.Forms.OpenFileDialog ) )
        return;

      Bmp = new Bitmap( ofdBitmap.FileName );
      if ( Bmp != null )
      {
        ShowStats();
        DrawBMP();
      }
    }

    private void SetRes(object sender, System.EventArgs e)
    {
      if ( Bmp != null )
      {
        Bmp.SetResolution(150, 150);
        DrawBMP();
      }
    }

    private void DrawBMP()
    {
      if ( Bmp != null )
      {
        //Invalidate only the area where the image will be drawn
        Graphics G = this.CreateGraphics();
        GraphicsUnit GU = G.PageUnit;
        BMPContainer = Bmp.GetBounds( ref GU ); //X,Y = 0
        ShowStats();
        this.Invalidate( Rectangle.Round( BMPContainer ) );
        G.Dispose();
      }
    }
    private void ShowStats()
    {
      if ( Bmp != null )
      {
        //Show some properties here
        lblHT.Text = Bmp.Height.ToString();
        lblWidth.Text = Bmp.Width.ToString();
        lblVdpi.Text = Bmp.VerticalResolution.ToString();
        lblHdpi.Text = Bmp.HorizontalResolution.ToString();
        lblFormat.Text = Bmp.PixelFormat.ToString();
        lblSize.Text = Bmp.Size.ToString();
        lblDIM.Text = Bmp.PhysicalDimension.ToString();
      }
    }
    }
}