//**********************************************
// Project: Flood Fill Algorithms in C# & GDI+
// File Description: Flood Fill Class
//
// Copyright: Copyright 2003 by Justin Dunlap.
// Any code herein can be used freely in your own
// applications, provided that:
// * You agree that I am NOT to be held liable for
// any damages caused by this code or its use.
// * You give proper credit to me if you re-publish
// this code.
//**********************************************
using System;
using System.Windows.Forms;
using System.Drawing;
using System.Collections;
using System.Drawing.Imaging;
using System.Diagnostics;
using System.Xml;
using System.IO;
using System.Threading;
using System.Runtime.InteropServices;
namespace FloodFill
{
public class MainForm : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textboxFillG;
private System.Windows.Forms.HScrollBar hscrollbarFillG;
private System.Windows.Forms.CheckBox checkboxDiagonal;
private System.Windows.Forms.StatusBarPanel mousepos;
private System.Windows.Forms.TextBox textboxTolR;
private System.Windows.Forms.GroupBox groupboxTolerance;
private System.Windows.Forms.HScrollBar hscrollbarFillR;
private System.Windows.Forms.TextBox textboxFillR;
private System.Windows.Forms.StatusBarPanel timetaken;
private System.Windows.Forms.HScrollBar hscrollbarTolB;
private System.Windows.Forms.GroupBox groupboxFillColor;
private System.Windows.Forms.Label labelColorPreview;
private System.Windows.Forms.Button buttonStop;
private System.Windows.Forms.TabPage tabAbout;
private System.Windows.Forms.TextBox textboxTolB;
private System.Windows.Forms.HScrollBar hscrollbarTolG;
private System.Windows.Forms.StatusBar statusBar;
private System.Windows.Forms.HScrollBar hscrollbarFillB;
private System.Windows.Forms.Panel panel;
private System.Windows.Forms.TextBox textboxTolG;
private System.Windows.Forms.TextBox textboxAbout;
private System.Windows.Forms.HScrollBar hscrollbarTolR;
private System.Windows.Forms.TabPage tabSettings;
private System.Windows.Forms.ComboBox comboNamedColor;
private System.Windows.Forms.RadioButton optFullSpeed;
private System.Windows.Forms.RadioButton optSlow;
private System.Windows.Forms.TextBox textboxFillB;
private System.Windows.Forms.TabControl tabControl;
private System.Windows.Forms.ComboBox comboFillStyle;
FloodFiller floodfiller=new FloodFiller();
DemoFloodFiller demofloodfiller=new DemoFloodFiller();
AbstractFloodFiller chosenfloodfiller=null;
bool mousedown=false;
bool slow=false;
XmlDocument xml=new XmlDocument();
MainMenu mainMenu=new MainMenu();
Thread thread;
int time=0;
[DllImport("winmm.dll")]
protected static extern int timeGetTime();
public MainForm()
{
InitializeComponent();
Init();
}
// THIS METHOD IS MAINTAINED BY THE FORM DESIGNER
// DO NOT EDIT IT MANUALLY! YOUR CHANGES ARE LIKELY TO BE LOST
void InitializeComponent() {
this.comboFillStyle = new System.Windows.Forms.ComboBox();
this.tabControl = new System.Windows.Forms.TabControl();
this.textboxFillB = new System.Windows.Forms.TextBox();
this.optSlow = new System.Windows.Forms.RadioButton();
this.optFullSpeed = new System.Windows.Forms.RadioButton();
this.comboNamedColor = new System.Windows.Forms.ComboBox();
this.tabSettings = new System.Windows.Forms.TabPage();
this.hscrollbarTolR = new System.Windows.Forms.HScrollBar();
this.textboxAbout = new System.Windows.Forms.TextBox();
this.textboxTolG = new System.Windows.Forms.TextBox();
this.panel = new System.Windows.Forms.Panel();
this.hscrollbarFillB = new System.Windows.Forms.HScrollBar();
this.statusBar = new System.Windows.Forms.StatusBar();
this.hscrollbarTolG = new System.Windows.Forms.HScrollBar();
this.textboxTolB = new System.Windows.Forms.TextBox();
this.tabAbout = new System.Windows.Forms.TabPage();
this.buttonStop = new System.Windows.Forms.Button();
this.labelColorPreview = new System.Windows.Forms.Label();
this.groupboxFillColor = new System.Windows.Forms.GroupBox();
this.hscrollbarTolB = new System.Windows.Forms.HScrollBar();
this.timetaken = new System.Windows.Forms.StatusBarPanel();
this.textboxFillR = new System.Windows.Forms.TextBox();
this.hscrollbarFillR = new System.Windows.Forms.HScrollBar();
this.groupboxTolerance = new System.Windows.Forms.GroupBox();
this.textboxTolR = new System.Windows.Forms.TextBox();
this.mousepos = new System.Windows.Forms.StatusBarPanel();
this.checkboxDiagonal = new System.Windows.Forms.CheckBox();
this.hscrollbarFillG = new System.Windows.Forms.HScrollBar();
this.textboxFillG = new System.Windows.Forms.TextBox();
((System.ComponentModel.ISupportInitialize)(this.timetaken)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.mousepos)).BeginInit();
this.SuspendLayout();
this.groupboxTolerance.SuspendLayout();
this.groupboxFillColor.SuspendLayout();
this.tabAbout.SuspendLayout();
this.tabSettings.SuspendLayout();
this.tabControl.SuspendLayout();
//
// comboFillStyle
//
this.comboFillStyle.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboFillStyle.Location = new System.Drawing.Point(8, 8);
this.comboFillStyle.Name = "comboFillStyle";
this.comboFillStyle.Size = new System.Drawing.Size(184, 21);
this.comboFillStyle.TabIndex = 1;
this.comboFillStyle.SelectedIndexChanged += new System.EventHandler(this.comboFillStyleSelectedIndexChanged);
//
// tabControl
//
this.tabControl.Controls.AddRange(new System.Windows.Forms.Control[] {
this.tabAbout,
this.tabSettings});
this.tabControl.Location = new System.Drawing.Point(0, 56);
this.tabControl.Name = "tabControl";
this.tabControl.SelectedIndex = 0;
this.tabControl.Size = new System.Drawing.Size(200, 272);
this.tabControl.TabIndex = 0;
//
// textboxFillB
//
this.textboxFillB.Location = new System.Drawing.Point(136, 96);
this.textboxFillB.Name = "textboxFillB";
this.textboxFillB.Size = new System.Drawing.Size(32, 20);
this.textboxFillB.TabIndex = 5;
this.textboxFillB.Text = "2";
this.textboxFillB.TextChanged += new System.EventHandler(this.textboxFillBTextChanged);
//
// optSlow
//
this.optSlow.Location = new System.Drawing.Point(312, 0);
this.optSlow.Name = "optSlow";
this.optSlow.TabIndex = 5;
this.optSlow.Text = "Slow";
this.optSlow.CheckedChanged += new System.EventHandler(this.optSlowCheckedChanged);
//
// optFullSpeed
//
this.optFullSpeed.Checked = true;
this.optFullSpeed.Location = new System.Drawing.Point(200, 0);
this.optFullSpeed.Name = "optFullSpeed";
this.optFullSpeed.TabIndex = 6;
this.optFullSpeed.TabStop = true;
this.optFullSpeed.Text = "Full Speed";
this.optFullSpeed.CheckedChanged += new System.EventHandler(this.optFullSpeedCheckedChanged);
//
// comboNamedColor
//
this.comboNamedColor.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawFixed;
this.comboNamedColor.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboNamedColor.Location = new System.Drawing.Point(16, 16);
this.comboNamedColor.Name = "comboNamedColor";
this.comboNamedColor.Size = new System.Drawing.Size(120, 21);
this.comboNamedColor.TabIndex = 7;
this.comboNamedColor.SelectedIndexChanged += new System.EventHandler(this.comboNamedColorSelectedIndexChanged);
this.comboNamedColor.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.comboNamedColorDrawItem);
//
// tabSettings
//
this.tabSettings.Controls.AddRange(new System.Windows.Forms.Control[] {
this.textboxAbout});
this.tabSettings.Location = new System.Drawing.Point(4, 22);
this.tabSettings.Name = "tabSettings";
this.tabSettings.Size = new System.Drawing.Size(192, 246);
this.tabSettings.TabIndex = 1;
this.tabSettings.Text = "About";
//
// hscrollbarTolR
//
this.hscrollbarTolR.Location = new System.Drawing.Point(16, 24);
this.hscrollbarTolR.Maximum = 255;
this.hscrollbarTolR.Name = "hscrollbarTolR";
this.hscrollbarTolR.Size = new System.Drawing.Size(112, 16);
this.hscrollbarTolR.TabIndex = 6;
this.hscrollbarTolR.Value = 2;
this.hscrollbarTolR.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hscrollbarTolRScroll);
//
// textboxAbout
//
this.textboxAbout.Location = new System.Drawing.Point(8, 8);
this.textboxAbout.Multiline = true;
this.textboxAbout.Name = "textboxAbout";
this.textboxAbout.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.textboxAbout.Size = new System.Drawing.Size(176, 232);
this.textboxAbout.TabIndex = 0;
this.textboxAbout.Text = "";
//
// textboxTolG
//
this.textboxTolG.Location = new System.Drawing.Point(132, 46);
this.textboxTolG.Name = "textboxTolG";
this.textboxTolG.Size = new System.Drawing.Size(32, 20);
this.textboxTolG.TabIndex = 9;
this.textboxTolG.Text = "2";
this.textboxTolG.TextChanged += new System.EventHandler(this.textboxTolGTextChanged);
//
// panel
//
this.panel.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.panel.AutoScroll = true;
this.panel.Location = new System.Drawing.Point(192, 24);
this.panel.Name = "panel";
this.panel.Size = new System.Drawing.Size(304, 336);
this.panel.TabIndex = 0;
this.panel.MouseUp += new System.Windows.Forms.MouseEventHandler(this.panelMouseUp);
this.panel.MouseMove += new System.Windows.Forms.MouseEventHandler(this.panelMouseMove);
this.panel.MouseDown += new System.Windows.Forms.MouseEventHandler(this.panelMouseDown);
//
// hscrollbarFillB
//
this.hscrollbarFillB.LargeChange = 1;
this.hscrollbarFillB.Location = new System.Drawing.Point(16, 96);
this.hscrollbarFillB.Maximum = 255;
this.hscrollbarFillB.Name = "hscrollbarFillB";
this.hscrollbarFillB.Size = new System.Drawing.Size(120, 16);
this.hscrollbarFillB.TabIndex = 4;
this.hscrollbarFillB.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hscrollbarFillBScroll);
//
// statusBar
//
this.statusBar.Location = new System.Drawing.Point(0, 365);
this.statusBar.Name = "statusBar";
this.statusBar.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
this.timetaken,
this.mousepos});
this.statusBar.Size = new System.Drawing.Size(496, 16);
this.statusBar.TabIndex = 3;
this.statusBar.Text = "statusBar";
//
// hscrollbarTolG
//
this.hscrollbarTolG.Location = new System.Drawing.Point(16, 46);
this.hscrollbarTolG.Maximum = 255;
this.hscrollbarTolG.Name = "hscrollbarTolG";
this.hscrollbarTolG.Size = new System.Drawing.Size(112, 16);
this.hscrollbarTolG.TabIndex = 8;
this.hscrollbarTolG.Value = 2;
this.hscrollbarTolG.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hscrollbarTolGScroll);
//
// textboxTolB
//
this.textboxTolB.Location = new System.Drawing.Point(132, 70);
this.textboxTolB.Name = "textboxTolB";
this.textboxTolB.Size = new System.Drawing.Size(32, 20);
this.textboxTolB.TabIndex = 11;
this.textboxTolB.Text = "2";
this.textboxTolB.TextChanged += new System.EventHandler(this.textboxTolBTextChanged);
//
// tabAbout
//
this.tabAbout.Controls.AddRange(new System.Windows.Forms.Control[] {
this.groupboxFillColor,
this.groupboxTolerance});
this.tabAbout.Location = new System.Drawing.Point(4, 22);
this.tabAbout.Name = "tabAbout";
this.tabAbout.Size = new System.Drawing.Size(192, 246);
this.tabAbout.TabIndex = 0;
this.tabAbout.Text = "Settings";
//
// buttonStop
//
this.buttonStop.Enabled = false;
this.buttonStop.Location = new System.Drawing.Point(48, 336);
this.buttonStop.Name = "buttonStop";
this.buttonStop.Size = new System.Drawing.Size(80, 24);
this.buttonStop.TabIndex = 4;
this.buttonStop.Text = "Stop";
this.buttonStop.Click+=new EventHandler(this.buttonStopClick);
//
// labelColorPreview
//
this.labelColorPreview.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.labelColorPreview.Location = new System.Drawing.Point(144, 16);
this.labelColorPreview.Name = "labelColorPreview";
this.labelColorPreview.Size = new System.Drawing.Size(24, 24);
this.labelColorPreview.TabIndex = 6;
//
// groupboxFillColor
//
this.groupboxFillColor.Controls.AddRange(new System.Windows.Forms.Control[] {
this.comboNamedColor,
this.labelColorPreview,
this.textboxFillB,
this.hscrollbarFillB,
this.textboxFillG,
this.hscrollbarFillG,
this.textboxFillR,
this.hscrollbarFillR});
this.groupboxFillColor.Location = new System.Drawing.Point(8, 112);
this.groupboxFillColor.Name = "groupboxFillColor";
this.groupboxFillColor.Size = new System.Drawing.Size(176, 128);
this.groupboxFillColor.TabIndex = 1;
this.groupboxFillColor.TabStop = false;
this.groupboxFillColor.Text = "Fill Color";
//
// hscrollbarTolB
//
this.hscrollbarTolB.Location = new System.Drawing.Point(16, 70);
this.hscrollbarTolB.Maximum = 255;
this.hscrollbarTolB.Name = "hscrollbarTolB";
this.hscrollbarTolB.Size = new System.Drawing.Size(112, 16);
this.hscrollbarTolB.TabIndex = 10;
this.hscrollbarTolB.Value = 2;
this.hscrollbarTolB.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hscrollbarTolBScroll);
//
// timetaken
//
this.timetaken.Text = "Time Taken:";
this.timetaken.Width=250;
//
// textboxFillR
//
this.textboxFillR.Location = new System.Drawing.Point(136, 48);
this.textboxFillR.Name = "textboxFillR";
this.textboxFillR.Size = new System.Drawing.Size(32, 20);
this.textboxFillR.TabIndex = 1;
this.textboxFillR.Text = "2";
this.textboxFillR.TextChanged += new System.EventHandler(this.textboxFillRTextChanged);
//
// hscrollbarFillR
//
this.hscrollbarFillR.LargeChange = 1;
this.hscrollbarFillR.Location = new System.Drawing.Point(16, 48);
this.hscrollbarFillR.Maximum = 255;
this.hscrollbarFillR.Name = "hscrollbarFillR";
this.hscrollbarFillR.Size = new System.Drawing.Size(120, 16);
this.hscrollbarFillR.TabIndex = 0;
this.hscrollbarFillR.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hscrollbarFillRScroll);
//
// groupboxTolerance
//
this.groupboxTolerance.Controls.AddRange(new System.Windows.Forms.Control[] {
this.textboxTolB,
this.hscrollbarTolB,
this.textboxTolG,
this.hscrollbarTolG,
this.textboxTolR,
this.hscrollbarTolR});
this.groupboxTolerance.Location = new System.Drawing.Point(8, 8);
this.groupboxTolerance.Name = "groupboxTolerance";
this.groupboxTolerance.Size = new System.Drawing.Size(176, 96);
this.groupboxTolerance.TabIndex = 0;
this.groupboxTolerance.TabStop = false;
this.groupboxTolerance.Text = "Tolerance";
//
// textboxTolR
//
this.textboxTolR.Location = new System.Drawing.Point(132, 22);
this.textboxTolR.Name = "textboxTolR";
this.textboxTolR.Size = new System.Drawing.Size(32, 20);
this.textboxTolR.TabIndex = 7;
this.textboxTolR.Text = "2";
this.textboxTolR.TextChanged += new System.EventHandler(this.textboxTolRTextChanged);
//
// mousepos
//
this.mousepos.Text = "Position: --,--";
//
// checkboxDiagonal
//
this.checkboxDiagonal.Location = new System.Drawing.Point(8, 32);
this.checkboxDiagonal.Name = "checkboxDiagonal";
this.checkboxDiagonal.Size = new System.Drawing.Size(152, 16);
this.checkboxDiagonal.TabIndex = 2;
this.checkboxDiagonal.Text = "Fill Diagonally";
this.checkboxDiagonal.CheckedChanged += new System.EventHandler(this.checkboxDiagonalCheckedChanged);
//
// hscrollbarFillG
//
this.hscrollbarFillG.LargeChange = 1;
this.hscrollbarFillG.Location = new System.Drawing.Point(16, 72);
this.hscrollbarFillG.Maximum = 255;
this.hscrollbarFillG.Name = "hscrollbarFillG";
this.hscrollbarFillG.Size = new System.Drawing.Size(120, 16);
this.hscrollbarFillG.TabIndex = 2;
this.hscrollbarFillG.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hscrollbarFillGScroll);
//
// textboxFillG
//
this.textboxFillG.Location = new System.Drawing.Point(136, 72);
this.textboxFillG.Name = "textboxFillG";
this.textboxFillG.Size = new System.Drawing.Size(32, 20);
this.textboxFillG.TabIndex = 3;
this.textboxFillG.Text = "2";
this.textboxFillG.TextChanged += new System.EventHandler(this.textboxFillGTextChanged);
//
// MainForm
//
this.ClientSize = new System.Drawing.Size(496, 381);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.optSlow,
this.buttonStop,
this.statusBar,
this.panel,
this.checkboxDiagonal,
this.comboFillStyle,
this.tabControl,
this.optFullSpeed});
this.Text = "Flood Fill Example";
this.Load += new System.EventHandler(this.MainFormLoad);
((System.ComponentModel.ISupportInitialize)(this.timetaken)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.mousepos)).EndInit();
this.tabControl.ResumeLayout(false);
this.tabSettings.ResumeLayout(false);
this.tabAbout.ResumeLayout(false);
this.groupboxFillColor.ResumeLayout(false);
this.groupboxTolerance.ResumeLayout(false);
this.ResumeLayout(false);
}
[STAThread]
public static void Main(string[] args)
{
Application.Run(new MainForm());
}
///<summary>Does all non-designer initialization</summary>
void Init()
{
//load default image
panel.BackgroundImage=(Image)new Bitmap(@"demo.png");//((File.Exists(@"c:\windows\webshots.bmp")?@"c:\windows\webshots.bmp":"demo.bmp"));
panel.AutoScrollMinSize=new Size(panel.BackgroundImage.Width,panel.BackgroundImage.Height);
//b=panel.BackgroundImage.Clone();
//populate combo boxes
comboNamedColor.Items.Add("<Custom>");
comboNamedColor.Items.AddRange(Enum.GetNames(typeof(System.Drawing.KnownColor)));
comboFillStyle.Items.AddRange(Enum.GetNames(typeof(FloodFillStyle)));
comboNamedColor.SelectedIndex=0;
comboFillStyle.SelectedIndex=0;
//make menu (Sorry folks, I didn't use the menu designer, as
//at the time I did this, SharpDevelop didn't have a menu designer.)
this.Menu=mainMenu;
MenuItem filemenu=new MenuItem("&File", new MenuItem[]{new MenuItem("&Open", new EventHandler(this.MenuClicked),Shortcut.CtrlO),new MenuItem("&Save As", new EventHandler(this.MenuClicked),Shortcut.CtrlS),new MenuItem("-"),new MenuItem("E&xit", new EventHandler(this.MenuClicked),Shortcut.AltF4)});
mainMenu.MenuItems.Add(filemenu);
//misc
statusBar.ShowPanels=true;
xml.Load("abouttext.xml");
//raise events to set values
ChangeFill();
comboFillStyleSelectedIndexChanged(comboFillStyle,EventArgs.Empty);
}
void comboFillStyleSelectedIndexChanged(object sender, System.EventArgs e)
{
if(comboFillStyle.SelectedIndex==-1) comboFillStyle.SelectedIndex=0;
floodfiller.FillStyle=(FloodFillStyle)Enum.Parse(typeof(FloodFillStyle),comboFillStyle.SelectedItem.ToString());
demofloodfiller.FillStyle=(FloodFillStyle)Enum.Parse(typeof(FloodFillStyle),comboFillStyle.SelectedItem.ToString());
XmlNodeList nodes=xml.SelectNodes(@"/abouttext/about");
XmlNode node=null;
foreach(XmlNode n in nodes)
{
if(n.Attributes["id"].InnerText==comboFillStyle.SelectedItem.ToString())
{
node=n;
}
}
if (node!=null)
{
textboxAbout.Text=node.InnerText;
}
}
///<summary>Custom-draws the color combo. A modified version of Steve McMahon's
/// owner-drawn combo box in his HLS-To-RGB example, available at www.vbaccelerator.com</summary>
void comboNamedColorDrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
int itemIndex = e.Index;
e.DrawBackground();
if (itemIndex > 0)
{
string knownColorName = comboNamedColor.Items[itemIndex].ToString();
Rectangle textRectangle = e.Bounds;
Rectangle colorRectangle = e.Bounds;
colorRectangle.X += 2;
colorRectangle.Y += 2;
colorRectangle.Width = 16;
colorRectangle.Height -= 4;
KnownColor k = (KnownColor)Enum.Parse(typeof(System.Drawing.KnownColor), knownColorName);
Color color = Color.FromKnownColor(k);
SolidBrush colorBrush = new SolidBrush(color);
e.Graphics.FillRectangle(colorBrush, colorRectangle);
colorBrush.Dispose();
e.Graphics.DrawRectangle(SystemPens.ControlDarkDark, colorRectangle);
textRectangle.X += 20;
textRectangle.Width -= 20;
Brush textBrush;
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
textBrush = SystemBrushes.HighlightText;
}
else
{
textBrush = SystemBrushes.ControlText;
}
e.Graphics.DrawString(knownColorName, e.Font, textBrush, textRectangle);
}
else if(itemIndex==0)
{
Rectangle textRectangle = e.Bounds;
Brush textBrush;
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
textBrush = SystemBrushes.HighlightText;
}
else
{
textBrush = SystemBrushes.ControlText;
}
e.Graphics.DrawString(comboNamedColor.Items[itemIndex].ToString(), e.Font, textBrush, textRectangle);
}
if ((e.State & DrawItemState.Focus) == DrawItemState.Focus)
{
e.DrawFocusRectangle();
}
}
void checkboxDiagonalCheckedChanged(object sender, System.EventArgs e)
{
floodfiller.FillDiagonal=checkboxDiagonal.Checked;
demofloodfiller.FillDiagonal=checkboxDiagonal.Checked;
}
void comboNamedColorSelectedIndexChanged(object sender, System.EventArgs e)
{
int itemIndex = comboNamedColor.SelectedIndex;
if (itemIndex > 0)
{
string knownColorName = comboNamedColor.Items[itemIndex].ToString();
KnownColor k = (KnownColor)Enum.Parse(typeof(System.Drawing.KnownColor), knownColorName);
Color color = Color.FromKnownColor(k);
hscrollbarFillR.Value=(int)color.R;
hscrollbarFillG.Value=(int)color.G;
hscrollbarFillB.Value=(int)color.B;
ChangeFill();
}
}
//COLOR TOLERANCE
//***************
//Tolerance TextBox Events
//------------------------
void textboxTolRTextChanged(object sender, System.EventArgs e)
{
Color textcolor=Color.Black;
try
{
hscrollbarTolR.Value=Int32.Parse(textboxTolR.Text);
floodfiller.Tolerance[0]=(byte)hscrollbarTolR.Value;
demofloodfiller.Tolerance[0]=(byte)hscrollbarTolR.Value;
}catch{
textcolor=Color.DarkRed;
}
textboxTolR.ForeColor=textcolor;
}
void textboxTolGTextChanged(object sender, System.EventArgs e)
{
Color textcolor=Color.Black;
try
{
hscrollbarTolG.Value=Int32.Parse(textboxTolG.Text);
floodfiller.Tolerance[1]=(byte)hscrollbarTolG.Value;
demofloodfiller.Tolerance[1]=(byte)hscrollbarTolG.Value;
}catch{
textcolor=Color.DarkRed;
}
textboxTolG.ForeColor=textcolor;
}
void textboxTolBTextChanged(object sender, System.EventArgs e)
{
Color textcolor=Color.Black;
try
{
hscrollbarTolB.Value=Int32.Parse(textboxTolB.Text);
floodfiller.Tolerance[2]=(byte)hscrollbarTolB.Value;
demofloodfiller.Tolerance[2]=(byte)hscrollbarTolB.Value;
}catch{
textcolor=Color.DarkRed;
}
textboxTolB.ForeColor=textcolor;
}
//Color Tolerance Scrollbar Events
//--------------------------------
void hscrollbarTolRScroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
textboxTolR.Text=hscrollbarTolR.Value.ToString();
floodfiller.Tolerance[0]=(byte)hscrollbarTolR.Value;
demofloodfiller.Tolerance[0]=(byte)hscrollbarTolR.Value;
}
void hscrollbarTolGScroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
textboxTolG.Text=hscrollbarTolG.Value.ToString();
floodfiller.Tolerance[1]=(byte)hscrollbarTolG.Value;
demofloodfiller.Tolerance[1]=(byte)hscrollbarTolG.Value;
}
void hscrollbarTolBScroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
textboxTolB.Text=hscrollbarTolB.Value.ToString();
floodfiller.Tolerance[2]=(byte)hscrollbarTolB.Value;
demofloodfiller.Tolerance[2]=(byte)hscrollbarTolB.Value;
}
//FILL COLOR
//**********
//Fill Color Scrollbar Events
//---------------------------
void hscrollbarFillRScroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
ChangeFill();
}
void hscrollbarFillGScroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
ChangeFill();
}
void hscrollbarFillBScroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
ChangeFill();
}
//Fill Color TextBox Events
//-------------------------
void textboxFillRTextChanged(object sender, System.EventArgs e)
{
Color textcolor=Color.Black;
try
{
hscrollbarFillR.Value=Math.Min(Int32.Parse(textboxFillR.Text),255);
ChangeFill();
}catch{
textcolor=Color.DarkRed;
}
textboxFillR.ForeColor=textcolor;
textboxFillR.Refresh();
}
void textboxFillGTextChanged(object sender, System.EventArgs e)
{
Color textcolor=Color.Black;
try
{
hscrollbarFillG.Value=Math.Min(Int32.Parse(textboxFillG.Text),255);
ChangeFill();
}catch{
textcolor=Color.DarkRed;
}
textboxFillG.ForeColor=textcolor;
textboxFillG.Refresh();
}
void textboxFillBTextChanged(object sender, System.EventArgs e)
{
Color textcolor=Color.Black;
try
{
hscrollbarFillB.Value=Math.Min(Int32.Parse(textboxFillB.Text),255);
ChangeFill();
}catch{
textcolor=Color.DarkRed;
}
textboxFillB.ForeColor=textcolor;
textboxFillB.Refresh();
}
void ChangeFill()
{
floodfiller.FillColor=ColorTranslator.FromWin32(FloodFiller.RGB((byte)hscrollbarFillR.Value,(byte)hscrollbarFillG.Value,(byte)hscrollbarFillB.Value));
demofloodfiller.FillColor=ColorTranslator.FromWin32(FloodFiller.RGB((byte)hscrollbarFillR.Value,(byte)hscrollbarFillG.Value,(byte)hscrollbarFillB.Value));
this.labelColorPreview.BackColor=floodfiller.FillColor;
Color color=floodfiller.FillColor;
textboxFillR.Text=color.R.ToString();
textboxFillG.Text=color.G.ToString();
textboxFillB.Text=color.B.ToString();
//Color[]Values=(Color[])
KnownColor[] Values=(KnownColor[])Enum.GetValues(typeof(System.Drawing.KnownColor));
int i=0;
foreach(KnownColor val in Values)
{
i++;
if(Color.FromKnownColor(val)==color)
{
comboNamedColor.SelectedIndex=i;
return;
}
}
comboNamedColor.SelectedIndex=0;
}
void panelMouseDown(object sender, System.Windows.Forms.MouseEventArgs ev)
{
mousedown=true;
}
void panelMouseUp(object sender, System.Windows.Forms.MouseEventArgs ev)
{
//make sure :
//1) we recieved a mousedown message before this
//2) the coordinates are not above the top of the bitmap
if(!mousedown || ev.X-panel.AutoScrollPosition.X<0 || ev.Y-panel.AutoScrollPosition.Y<0) return;
if (ev.Button==System.Windows.Forms.MouseButtons.Left) //if the left button was pressed
{
if(thread==null)//if there's not a thread already doing something
{
time=timeGetTime();
//choose the floodfiller to use
chosenfloodfiller=(AbstractFloodFiller)(slow?(AbstractFloodFiller)demofloodfiller:(AbstractFloodFiller)floodfiller);
//get the actual point that was clicked on the bitmap
Point Pt=new Point(ev.X-panel.AutoScrollPosition.X,ev.Y-panel.AutoScrollPosition.Y);
Pt.X%= panel.BackgroundImage.Width;
Pt.Y%= panel.BackgroundImage.Height;
//initialize the data - we can't pass it directly
chosenfloodfiller.Pt=Pt;
Bitmap b=null;
if(slow)
{
b=(Bitmap)panel.BackgroundImage.Clone();
}
else
{
b=(Bitmap)panel.BackgroundImage;
//panel.SuspendLayout();
//panel.BackgroundImage=null;
}
chosenfloodfiller.Bmp=b;
if(slow)
{
//create and start the thread
thread=new Thread(new ThreadStart(chosenfloodfiller.FloodFill));
//thread.IsBackground=true;
//if(!slow) thread.Priority=ThreadPriority.AboveNormal;//jack up the priority a bit
thread.Start();
Thread.Sleep(0);//yield
}
else
{
chosenfloodfiller.FloodFill();
}
buttonStop.Enabled=true;
}
}
}
void panelMouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
statusBar.Panels[1].Text="Position: " + (e.X-panel.AutoScrollPosition.X).ToString()+", " + (e.Y-panel.AutoScrollPosition.Y).ToString();
}
void MainFormLoad(object sender, System.EventArgs e)
{
ChangeFill();
floodfiller.FillFinished+=new FillFinishedEventHandler(this.FillFinished);
demofloodfiller.FillFinished+=new FillFinishedEventHandler(this.FillFinished);
demofloodfiller.FillProgress+=new FillProgressEventHandler(this.FillProgress);
}
void MenuClicked(object sender, System.EventArgs e)
{
MenuItem menu=(MenuItem)sender;
switch(menu.Text)
{
case "&Open":
OpenBitmap();
break;
case "&Save As":
SaveBitmap();
break;
case "E&xit":
Application.Exit();
break;
}
}
///<summary>Called by the DemoFloodFiller when it has filled a pixel</summary>
public void FillProgress(object sender, FillProgressEventArgs e)
{
//Invoke OnProgress so it will be called on the native thread.
this.Invoke(new FillProgressEventHandler(this.OnProgress),new object[] {sender,e});
}
private void OnProgress(object sender, FillProgressEventArgs e)
{
((Bitmap)panel.BackgroundImage).SetPixel(e.CurrentPt.X,e.CurrentPt.Y,floodfiller.FillColor);
panel.Refresh();
}
//called by the flood filler when it is finished
public void FillFinished(object sender, FillFinishedEventArgs ev)
{
//exception handling
if(ev.exception!=null && ev.exception.GetType()!=typeof(System.Threading.ThreadAbortException))
MessageBox.Show(String.Format("An error of type '{0}' occurred when using the {1} algorithm.",ev.exception.ToString(),Enum.GetName(typeof(FloodFillStyle),floodfiller.FillStyle)));
//join and close the floodfill thread
if(thread!=null) thread.Join();
thread=null;
//update image
panel.ResumeLayout();
panel.BackgroundImage=(Image)chosenfloodfiller.Bmp;
panel.Refresh();
//update the statusbar & button
statusBar.Panels[0].Text="Time Taken - " + " Fill: " + floodfiller.TimeBenchmark + ", Total: " + (timeGetTime()-time);
buttonStop.Enabled=false;
}
void optFullSpeedCheckedChanged(object sender, System.EventArgs e)
{
slow=false;
}
void optSlowCheckedChanged(object sender, System.EventArgs e)
{
slow=true;
}
void buttonStopClick(object sender, System.EventArgs e)
{
if(thread!=null)
{
thread.Abort();
thread=null;
}
}
void OpenBitmap()
{
OpenFileDialog dlg=new OpenFileDialog();
//get available image format decoders, and create a filter string from them
//TODO: Filter out metafile formats!
ImageCodecInfo[] decoders=System.Drawing.Imaging.ImageCodecInfo.GetImageDecoders();
string allfiltersname="All Supported Bitmap Files (";
string allfilters="";
ArrayList filters=new ArrayList();
for(int i=0;i<decoders.GetUpperBound(0);i++)
{
allfilters+=(i==0?"":";")+decoders[i].FilenameExtension;
filters.Add(decoders[i].CodecName+ " (" + decoders[i].FilenameExtension + ")|" + decoders[i].FilenameExtension);
}
dlg.Filter=allfiltersname+allfilters+"|"+allfilters+"|"+
String.Join("|",((string[])(filters.ToArray(typeof(string)))));
dlg.Title="Open a Bitmap";
dlg.ShowDialog((IWin32Window)this);
OpenBitmap(dlg.FileName);
}
void OpenBitmap(string filename)
{
if(filename!="")
{
Bitmap b=null;
try{b = new Bitmap(filename);}
catch{MessageBox.Show("The bitmap could not be loaded, because there was an error.","Error Loading Bitmap!",MessageBoxButtons.OK,MessageBoxIcon.Error);}
if(b!=null)
{
if(b.PixelFormat==PixelFormat.Format32bppArgb || b.PixelFormat==PixelFormat.Format24bppRgb)
{
panel.BackgroundImage=(Image)b;
panel.AutoScrollMinSize=new Size(panel.BackgroundImage.Width,panel.BackgroundImage.Height);
}else
{
MessageBox.Show("The bitmap you selected is the wrong pixel format! This demo only works with 24bpp RGB and 32bpp ARGB pixel formats.","Wrong Pixel Format!",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
}
}
}
///<summary>Shows Save As dialog, and saves image to a file.</summary>
void SaveBitmap()
{
if(panel.BackgroundImage==null)return;
ImageCodecInfo[] encoders=System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders();
//ImageCodecInfo encoder;
SaveFileDialog dlg=new SaveFileDialog();
string allfiltersname="All Supported Bitmap Files (";
string allfilters="";
ArrayList filters=new ArrayList();
for(int i=0;i<encoders.GetUpperBound(0);i++)
{
allfilters+=(i==0?"":";")+encoders[i].FilenameExtension;
filters.Add(encoders[i].FormatDescription+ " (" + encoders[i].FilenameExtension + ")|" + encoders[i].FilenameExtension);
}
dlg.Filter=allfiltersname+allfilters+"|"+allfilters+"|"+
String.Join("|",((string[])(filters.ToArray(typeof(string)))));
dlg.DefaultExt="*.bmp";
dlg.OverwritePrompt=true;
dlg.Title="Save a Bitmap";
dlg.ShowDialog((IWin32Window)this);
if (dlg.FileName=="") return; //empty filename means cancel.
panel.BackgroundImage.Save(dlg.FileName);
}
}
}
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