Visual Basic > Graphics Games Programming

Finding the content of RGB in an color

Finding the content of RGB in an color

VERSION 5.00
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   6510
   ClientLeft      =   285
   ClientTop       =   1785
   ClientWidth     =   9480
   FontTransparent =   0   'False
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   ScaleHeight     =   6510
   ScaleWidth      =   9480
   Begin VB.TextBox Text2 
      Height          =   495
      Left            =   2400
      TabIndex        =   2
      Text            =   "Text2"
      Top             =   0
      Width           =   1215
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   3600
      TabIndex        =   1
      Text            =   "Text1"
      Top             =   240
      Width           =   1815
   End
   Begin MSComDlg.CommonDialog cd1 
      Left            =   4560
      Top             =   -360
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
      CancelError     =   -1  'True
      DialogTitle     =   "Load"
      Filter          =   "Bitmaps (*.bmp)|*.bmp|GIF Images (*.gif)|*.gif|JPEG Images (*.jpg)|*.jpg|Icons (*.ico)|*.ico|All Files (*.*)|*.*"
   End
   Begin VB.PictureBox Picture1 
      AutoSize        =   -1  'True
      FontTransparent =   0   'False
      Height          =   600
      Left            =   240
      ScaleHeight     =   36
      ScaleMode       =   3  'Pixel
      ScaleWidth      =   181
      TabIndex        =   0
      Top             =   840
      Width           =   2775
   End
   Begin VB.Shape Shape4 
      BackStyle       =   1  'Opaque
      FillColor       =   &H8000000D&
      Height          =   375
      Left            =   8040
      Shape           =   2  'Oval
      Top             =   360
      Visible         =   0   'False
      Width           =   975
   End
   Begin VB.Shape Shape3 
      BackStyle       =   1  'Opaque
      Height          =   375
      Left            =   6840
      Shape           =   2  'Oval
      Top             =   360
      Visible         =   0   'False
      Width           =   975
   End
   Begin VB.Shape Shape2 
      BackStyle       =   1  'Opaque
      Height          =   375
      Left            =   5640
      Shape           =   2  'Oval
      Top             =   360
      Visible         =   0   'False
      Width           =   975
   End
   Begin VB.Shape Shape1 
      BackStyle       =   1  'Opaque
      Height          =   615
      Left            =   600
      Shape           =   4  'Rounded Rectangle
      Top             =   120
      Visible         =   0   'False
      Width           =   2655
   End
   Begin VB.Menu mnufile 
      Caption         =   "File"
      Begin VB.Menu milpf 
         Caption         =   "Load Picture File"
      End
      Begin VB.Menu misep1 
         Caption         =   "-"
      End
      Begin VB.Menu miexit 
         Caption         =   "Exit"
      End
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim loadfile As Boolean
Dim xycolor As Long
Dim l As Long
Dim b As String
Dim g As String
Dim r As String


Private Sub miexit_Click()
    Unload Me
End Sub

Private Sub milpf_Click()
    On Error GoTo errorhandler
    cd1.ShowOpen
    Picture1.Picture = LoadPicture(cd1.FileName)
    loadfile = True
    Shape1.Visible = True
    Shape2.Visible = True
    Shape3.Visible = True
    Shape4.Visible = True
errorhandler:
    Exit Sub
End Sub


Private Sub Picture1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If loadfile = True Then
        xycolor = Picture1.Point(X, Y)
        Text2.Text = X & "," & Y
        Shape1.BackColor = xycolor
        Text1.Text = xycolor & "  " & Hex(xycolor)
        If xycolor <> 0 Then
            l = Len(Hex(xycolor))
            If l >= 1 Then
                Select Case l
                    Case 1:
                        r = Mid(Hex(xycolor), 1, 1)
                    Case 2:
                        r = Mid(Hex(xycolor), 1, 2)
                    Case 3:
                        r = Mid(Hex(xycolor), 2, 2)
                    Case 4:
                        r = Mid(Hex(xycolor), 3, 2)
                    Case 5:
                        r = Mid(Hex(xycolor), 4, 2)
                    Case 6:
                        r = Mid(Hex(xycolor), 5, 2)
                    Case 7:
                        r = Mid(Hex(xycolor), 6, 2)
                End Select
            Else
                r = "00"
            End If
            If l > 2 Then
                Select Case l
                    Case 3:
                        g = Mid(Hex(xycolor), 1, 1)
                    Case 4:
                        g = Mid(Hex(xycolor), 1, 2)
                    Case 5:
                        g = Mid(Hex(xycolor), 2, 2)
                    Case 6:
                        g = Mid(Hex(xycolor), 3, 2)
                    Case 7:
                        g = Mid(Hex(xycolor), 4, 2)
                End Select
            Else
                g = "00"
            End If
            If l > 4 Then
                Select Case l
                    Case 5:
                        b = Mid(Hex(xycolor), 1, 1)
                    Case 6:
                        b = Mid(Hex(xycolor), 1, 2)
                    Case 7:
                        b = Mid(Hex(xycolor), 1, 3)
                    End Select
            Else
                b = "00"
            End If

            'vs3.Value = CInt(b)
            Shape4.BackColor = RGB(&H0, &H0, "&H" & b)
            Shape3.BackColor = RGB(&H0, "&H" & g, &H0)
            Shape2.BackColor = RGB("&H" & r, &H0, &H0)
        Else
            Shape4.BackColor = RGB(&H0, &H0, &H0)
            Shape3.BackColor = RGB(&H0, &H0, &H0)
            Shape2.BackColor = RGB(&H0, &H0, &H0)
        End If
        
        If (r = "FF") And (g = "00") And (b = "00") Then
            Beep
            Call MsgBox("Red color Found", vbInformation)
        End If
        If (r = "00") And (g = "FF") And (b = "00") Then
            Beep
            Call MsgBox("Green color Found", vbInformation)
        End If
        If (r = "00") And (g = "00") And (b = "FF") Then
            Beep
            Call MsgBox("Blue color Found", vbInformation)
        End If
        If (r = "FF") And (g = "FF") And (b = "00") Then
            Beep
            Call MsgBox("Yellow color Found", vbInformation)
        End If
        
    End If
End Sub