mcs/class/System.Drawing/Samples/Standalone/flatten.cs

   1 //
   2 // flatten.cs
   3 //
   4 // Authors:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.ComponentModel;
  31 using System.Drawing;
  32 using System.Drawing.Drawing2D;
  33 using System.Text;
  34 using System.Windows.Forms;
  35
  36 namespace Samples {
  37         public partial class flatten: Form {
  38
  39                 // default values
  40                 private float translateX = 0f;
  41                 private float translateY = 10f;
  42                 private float flat = 0.1f;
  43
  44                 private Pen default_pen;
  45                 private Pen flat_pen;
  46
  47                 public flatten ()
  48                 {
  49                         InitializeComponent ();
  50
  51                         object[] shapes = Samples.Common.Shapes.GetList ();
  52                         shapeComboBox.Items.AddRange (shapes);
  53
  54                         default_pen = new System.Drawing.Pen (System.Drawing.Color.Black, 2);
  55                         flat_pen = new System.Drawing.Pen (System.Drawing.Color.Red, 1);
  56
  57                         translateXtextBox.Text = translateX.ToString ();
  58                         translateYtextBox.Text = translateY.ToString ();
  59                         flattenTextBox.Text = flat.ToString ();
  60                 }
  61
  62                 private void Flattener_Paint (object sender, PaintEventArgs e)
  63                 {
  64                         GraphicsPath path = Samples.Common.Shapes.GetShape (shapeComboBox.SelectedIndex);
  65                         if (path == null)
  66                                 return;
  67
  68                         e.Graphics.DrawPath (default_pen, path);
  69                         int pcount = path.PointCount;
  70
  71                         if ((translateX != 0f) || (translateY != 0f)) {
  72                                 Matrix translateMatrix = new Matrix ();
  73                                 translateMatrix.Translate (translateX, translateY);
  74                                 path.Flatten (translateMatrix, flat);
  75                         } else {
  76                                 path.Flatten (null, flat);
  77                         }
  78                         e.Graphics.DrawPath (flat_pen, path);
  79
  80                         int fcount = path.PointCount;
  81                         path.Dispose ();
  82
  83                         infoLabel.Text = System.String.Format ("Path Points: {0}, Flat Points: {1}", pcount, fcount);
  84                 }
  85
  86                 private void redrawButton_Click (object sender, EventArgs e)
  87                 {
  88                         if (Single.TryParse (translateXtextBox.Text, out translateX)) {
  89                                 translateXtextBox.BackColor = SystemColors.Window;
  90                         } else {
  91                                 translateXtextBox.BackColor = Color.Red;
  92                         }
  93
  94                         if (Single.TryParse (translateYtextBox.Text, out translateY)) {
  95                                 translateYtextBox.BackColor = SystemColors.Window;
  96                         } else {
  97                                 translateYtextBox.BackColor = Color.Red;
  98                         }
  99
 100                         if (Single.TryParse (flattenTextBox.Text, out flat)) {
 101                                 flattenTextBox.BackColor = SystemColors.Window;
 102                         } else {
 103                                 flattenTextBox.BackColor = Color.Red;
 104                         }
 105
 106                         Invalidate ();
 107                         Update ();
 108                 }
 109
 110                 [STAThread]
 111                 static void Main ()
 112                 {
 113                         Application.EnableVisualStyles ();
 114                         Application.SetCompatibleTextRenderingDefault (false);
 115                         Application.Run (new flatten ());
 116                 }
 117         }
 118 }