VERSION 5.00
Begin VB.Form Form1
   BorderStyle     =   4  'Fixed ToolWindow
   ClientHeight    =   3615
   ClientLeft      =   45
   ClientTop       =   315
   ClientWidth     =   4110
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3615
   ScaleWidth      =   4110
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  'CenterScreen
   Begin VB.CommandButton Command1
      Caption         =   "Fill"
      Height          =   315
      Left            =   3120
      TabIndex        =   1
      Top             =   120
      Width           =   855
   End
   Begin VB.PictureBox map
      Appearance      =   0  'Flat
      AutoRedraw      =   -1  'True
      BackColor       =   &H00000000&
      ForeColor       =   &H80000008&
      Height          =   2655
      Left            =   120
      ScaleHeight     =   175
      ScaleMode       =   3  'Pixel
      ScaleWidth      =   255
      TabIndex        =   0
      Top             =   840
      Width           =   3855
   End
   Begin VB.Label Label1
      Caption         =   "Scribble on the picture below using the mouse and then click 'Fill' and the area on the picture that you would like to fill."
      Height          =   735
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   2895
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Fill algorithm
'Liam Galvin 2005

Dim check(3000000, 1 To 2) As Integer
Dim start(1) As Integer
Dim releaseready As Boolean
Dim cn As Long
Dim mast As Long
Dim started As Boolean
Dim fillcol As Long

Private Sub Command1_Click()
release
End Sub

Private Sub Form_Load()
map.DrawWidth = 2
map.FontSize = 36
map.ForeColor = vbWhite
map.Print "   Fill Here"
Me.Show
End Sub



Private Sub map_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
start(0) = X
start(1) = Y
End Sub


Private Sub map_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)

If Button = 1 Then

If (start(0) = 0) And (start(1) = 0) Then
start(0) = X
start(1) = Y
End If
map.Line (start(0), start(1))-(X, Y), vbWhite
start(0) = X
start(1) = Y
Else
start(0) = 0
start(1) = 0
End If
End Sub

Private Sub release()
Command1.Enabled = False
releaseready = True
End Sub



Private Sub manage(k As Integer, l As Integer)

map.DrawWidth = 1

mast = 0
cn = 2

check(1, 1) = k
check(1, 2) = l

ps = 0

Do
mast = mast + 1
driveloop check(mast, 1), check(mast, 2)
Loop Until mast >= cn

Command1.Enabled = True

map.DrawWidth = 2

End Sub


Private Sub driveloop(xp As Integer, yp As Integer)

If (check(mast, 1) < 1) Or (check(mast, 1) > map.Height - 1) _
Or (check(mast, 2) < 1) Or (check(mast, 2) > map.Height - 1) Then Exit Sub

If map.Point(xp - 1, yp) = fillcol Then
check(cn, 1) = xp - 1
check(cn, 2) = yp
map.PSet (xp - 1, yp), vbRed
cn = cn + 1

End If

If map.Point(xp + 1, yp) = fillcol Then
check(cn, 1) = xp + 1
check(cn, 2) = yp
map.PSet (xp + 1, yp), vbRed
cn = cn + 1

End If

If map.Point(xp, yp - 1) = fillcol Then
check(cn, 1) = xp
check(cn, 2) = yp - 1
map.PSet (xp, yp - 1), vbRed
cn = cn + 1

End If

If map.Point(xp, yp + 1) = fillcol Then
check(cn, 1) = xp
check(cn, 2) = yp + 1
map.PSet (xp, yp + 1), vbRed
cn = cn + 1

End If

End Sub


Private Sub map_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
If releaseready = True Then
releaseready = False
started = True
fillcol = map.Point(X, Y)
manage start(0), start(1)
End If
End Sub