using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using System.Drawing.Imaging; //allows file graphics using System.IO; using System.Drawing.Drawing2D; namespace drawit { public partial class Form1 : Form { bool eye = true; Graphics g; //draws on form Pen p = new Pen(Color.Black); SolidBrush b = new SolidBrush(Color.Black); Font f = new Font(new FontFamily("Arial"), 12, FontStyle.Bold); public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) {//play a media file System.Diagnostics.Process.Start("wmplayer.exe", @"c:\code\clock.avi"); } private void button2_Click(object sender, EventArgs e) { axAgent1.Characters.Load("wizard", @"c:\windows\msagent\chars\merlin.acs"); axAgent1.Characters["wizard"].Show(null); axAgent1.Characters["wizard"].MoveTo(200, 300, 100); axAgent1.Characters["wizard"].Speak("hi there"); axAgent1.Characters["wizard"].Think("who are you"); axAgent1.Characters["wizard"].Play("congratulate"); axAgent1.Characters["wizard"].Play("announce"); axAgent1.Characters["wizard"].Play("confused"); axAgent1.Characters["wizard"].Play("explain"); } private void button3_Click(object sender, EventArgs e) { g.Clear(Color.Aqua); //change background color g.DrawString("Hi there", f, b, 50, 100); g.DrawLine(p, 50, 100, 200, 200); g.FillRectangle(b, 200, 100, 50, 50); g.DrawEllipse(p, 100, 150, 30, 30); g.DrawPie(p, 250, 150, 40, 40, 0, 45); g.DrawArc(p, 100, 100, 40, 40, 90, 90); g.DrawImage(Image.FromFile(@"c:\code\dog.jpg"), 50, 150, 50, 50); timer1.Enabled = true; } private void timer1_Tick(object sender, EventArgs e) { Pen pback = new Pen(Color.Aqua); if (eye) {//redraw eye using background color //then draw line using black g.DrawEllipse(pback, 100, 150, 30, 30);//eye g.DrawLine(p, 100, 165, 130, 165);//line inside eye eye = false; } else {//redraw line using background color //then draw eye using black g.DrawLine(pback, 100, 165, 130, 165); //eye g.DrawEllipse(p, 100, 150, 30, 30); eye = true; } } private void Form1_Load(object sender, EventArgs e) { g = base.CreateGraphics();//draw on form } private void button4_Click(object sender, EventArgs e) { string pics = "147.2580369=+-*/"; int x = 0; int row = 50; int col = 50; Font f2 = new Font(new FontFamily("Arial"), 18, FontStyle.Bold); for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { g.DrawRectangle(p, row, col, 40, 40); g.DrawString(pics.Substring(x, 1), f2, b, row + 10, col + 10); col = col + 60; x = x + 1; } row = row + 60; col = 50; } } private void button5_Click(object sender, EventArgs e) { Graphics g2 = panel1.CreateGraphics();//draw on panel Pen p = new Pen(Color.Black); g2.DrawLine(p, 20, 20, 60, 60); } private void button6_Click(object sender, EventArgs e) { Bitmap bm = new Bitmap(300, 300);//size of file Graphics g = Graphics.FromImage(bm); //hook up to a file g.Clear(Color.Aqua); //essential for files g.DrawString("Hi there", f, b, 50, 100); g.DrawLine(p, 50, 100, 200, 200); g.FillRectangle(b, 200, 100, 50, 50); g.DrawEllipse(p, 100, 150, 30, 30); g.DrawPie(p, 250, 150, 40, 40, 0, 45); g.DrawArc(p, 100, 100, 40, 40, 90, 90); g.DrawImage(Image.FromFile(@"c:\code\dog.jpg"), 50, 150, 50, 50); bm.Save(@"c:\code\sample.jpg", ImageFormat.Jpeg); //bm.Save(response.outputstream); //saves to a web page MessageBox.Show("file created"); } private void button7_Click(object sender, EventArgs e) {//put copyright on a file Bitmap b = (Bitmap)Bitmap.FromFile(@"c:\code\dog.jpg"); Graphics g = Graphics.FromImage(b); int size = b.Height; int y = size - 20; //subtract double font size Font f = new Font(new FontFamily("Arial"), 10, FontStyle.Bold); SolidBrush br = new SolidBrush(Color.Black); g.DrawString("Copyright 2016 Randall", f, br, 10, y); b.Save(@"c:\code\dog2.jpg", ImageFormat.Jpeg); MessageBox.Show("file saved"); } private void button8_Click(object sender, EventArgs e) {//do graphics on a printer DialogResult p = printDialog1.ShowDialog(); if (p == DialogResult.Cancel) return; printDocument1.PrinterSettings.PrinterName = printDialog1.PrinterSettings.PrinterName; //printDocument1.Print(); //prints to printer //printPreviewControl1.Document = this.printDocument1; printPreviewDialog1.Document = this.printDocument1; printPreviewDialog1.ShowDialog(); } private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e) { Font f = new Font(new FontFamily("Arial"), 10, FontStyle.Regular); SolidBrush b = new SolidBrush(Color.Black); e.Graphics.DrawString("Randall", f, b, 0, 0); int column = 0; int row = 12; e.Graphics.DrawString("X", f, b, column, row); e.Graphics.DrawString("X*X", f, b, column + 20, row); for (int x = 1; x <= 5; x++) { row = row + 12; e.Graphics.DrawString(x.ToString(), f, b, column, row); e.Graphics.DrawString((x * x).ToString(), f, b,column + 20, row); } e.HasMorePages = false; } private void button9_Click(object sender, EventArgs e) { MessageBox.Show("hi"); } private void button10_Click(object sender, EventArgs e) {//change shape of a button GraphicsPath g = new GraphicsPath(); g.AddEllipse(new Rectangle(0, 0, button9.Size.Width - 5, button9.Size.Height - 5)); button9.Region = new Region(g); //attach drawing to button button9.FlatStyle = FlatStyle.Flat; button9.FlatAppearance.BorderColor = Color.DarkGray; button9.BackColor = Color.DarkGray; } } }
Friday 15 April 2016
c# graphics lecture
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