LAMPIRAN II Listing Code

BAB V KESIMPULAN DAN SARAN

Adapun source code untuk aplikasi watermarking di atas adalah sebagai berikut:

 Untuk Menampilkan Halaman Utama

Option Explicit

Private Sub Form_Unload(Cancel As Integer) Set Form1 = Nothing

'TranslucentForm Me, g End If

g = g - 2

 Untuk Menampilkan Perbandingan citra sebelum dan sesudah di watermark

Option Explicit

Dim strImageFile$ 'the main image where the files will be attach Dim strImageFile2$

Dim m_Millimeter&

Dim m_Millimeter2&

Private Sub Gambar()

Dim ToW&, ToH&, InW&, InH&, mPad&

Dim ToW2&, ToH2&, InW2&, InH2&, mPad2&

mPad = 2 mPad2 = 2

strImageFile = frmAdd.File strImageFile2 = frmAdd.Target

Picture2.Picture = LoadPicture(strImageFile) Picture3.Picture = LoadPicture(strImageFile2)

Move (MDIForm1.ScaleWidth - Width) \ 2, (MDIForm1.ScaleHeight - Height) \ 2

m_Millimeter = ScaleX(100, vbPixels, vbMillimeters)

'fill the name for each step process

End Sub

Private Sub Form_Unload(Cancel As Integer) Set Form2 = Nothing

Picture2.Move Picture2.Left, -VS.Value End Sub

Private Sub VS_Scroll()

Picture2.Move Picture2.Left, -VS.Value End Sub

Private Sub VS2_Change()

Picture3.Move Picture3.Left, -VS2.Value End Sub

Private Sub VS2_Scroll()

Picture3.Move Picture3.Left, -VS2.Value End Sub

 Untuk menampilkan Menu About

Dim M_About As String Dim MaxText As Long Dim NowText As Long

Private Sub Form_Load()

M_About = "MVD Watermark ||" & _

"||If you have any question or suggestion, please contact us: [email protected]"

TWrite.Enabled = True End Sub

Private Sub Form_Unload(Cancel As Integer) NowText = 0

TAbout.Text = Left(M_About, NowText) TAbout.SelStart = Len(TAbout.Text) End Sub

 Untuk menampilkan Menu Sisipkan File

Option Explicit Dim vSteps

Dim currentStep& 'Counter to know the current step in process Const MAX_STEPS = 4 'Max step in this module

Dim DemoLimit&

Dim strImageFile$ 'the main image where the files will be attach

Public File$

Public Target$

Dim m_Millimeter&

Dim WithEvents clsStega As ClsStegano 'The magic class Dim WithEvents clsStegaRead As ClsStegano

Dim j As Integer, str As String

Private Sub Check1_Click() If Check1.Value = 1 Then txtPwd.PasswordChar = ""

Else

txtPwd.PasswordChar = "X"

End If

End Sub

'If you wants capture some error, do it here

Private Sub clsStegaRead_SomeError(strDescription As String)

'If you wants capture some error, do it here

Private Sub clsStega_SomeError(strDescription As String)

MsgBox "Some error: " & strDescription, , "Image Copyright Protector"

End Sub

'The current process is show it here

Private Sub clsStega_StatusChanged(prcDone As Long, strStatus As String) 'frmLoad.ProgBar.Value = prcDone

ProgBar.Value = prcDone 'frmLoad.lbStatus = strStatus lbStatus = strStatus

End Sub

'The current process is show it here

Private Sub clsStegaRead_StatusChanged(prcDone As Long, strStatus As String) 'frmLoad.ProgBar.Value = prcDone

OsenXPProgressBar1.Value = prcDone 'frmLoad.lbStatus = strStatus

Label1 = strStatus End Sub

Private Sub cmdAddFile_Click() Dim theData$, theKey$, sTitle$

Dim Itlvw As ListItem

Dim iconFile%, myclsGetIcon As New clsGetIcon Dim imgRet As IPictureDisp

'browse to get the files to be add 'File type tested

'Files.Filter = "All Files|*.*"

Files.Filter = "Audio Files (*.amr,*.mid,*.wav,*.mp3)|*.amr;*.mid;*.wav;*.mp3"

Files.Filename = ""

Files.ShowOpen

theData = Files.Filename

sTitle = VBA.Left$(Files.FileTitle, Len(Files.FileTitle) - 4)

If theData <> "" Then

theKey = "f0" & lvwFilesAdded.ListItems.Count + 1 'generate a unique key for this file

'If (clsStega.BytesAdded + FileLen(Files.Filename)) > DemoLimit Then

' MsgBox "Demo version is limit to 1000 bytes", , "Image Copyright Protector"

' Exit Sub 'End If

If clsStega.AddFile(theData, sTitle, theKey) Then 'if was added... continue

End Sub

Private Sub cmdBack_Click() cmdNext.Enabled = True cmdFinish.Enabled = False If currentStep >= 0 Then

frStep(currentStep).Visible = False currentStep = currentStep - 1 lbStep = vSteps(currentStep)

If currentStep < 0 Then currentStep = 0 frStep(currentStep).Visible = True

If currentStep = 0 Then cmdBack.Enabled = False

frStep(currentStep).Visible = False currentStep = currentStep + 1 lbStep = vSteps(currentStep) frStep(currentStep).Visible = True If currentStep >= MAX_STEPS Then

If currentStep = 2 Then cmdNext.Enabled = True 'encryp step

If currentStep = 3 Then cmdNext.Enabled = True 'encryp step

Set ItSel = lvwFilesAdded.SelectedItem If Not ItSel Is Nothing Then

clsStega.RemoveFile ItSel.Key

lbRema = "Remaining Bytes: " & clsStega.BytesTotal - clsStega.BytesAdded lvwFilesAdded.ListItems.Remove ItSel.Index

End If

If lvwFilesAdded.ListItems.Count = 0 Then cmdNext.Enabled = False End Sub

Private Sub cmdSee_Click()

'Shell "explorer " & Files.Filename Form2.Show vbModal

End Sub

Private Sub cmdTarget_Click()

Dim ToW&, ToH&, InW&, InH&, mPad&

mPad = 2

Files.Filter = "Bitmap (*.bmp)|*.bmp"

Files.ShowOpen

strImageFile = Files.Filename File = strImageFile

If strImageFile <> "" And VBA.Right$(strImageFile, 4) = ".bmp" Then TheImage.Picture = LoadPicture(strImageFile)

clsStega.ImageFile = strImageFile clsStegaRead.ImageFile = strImageFile

lbImgName = "Name: " & Files.FileTitle lbImgSize = "Size: " & clsStega.ImgSize

'calculate the size the image to adjust in screen

MsgBox "Error: Gambar tidak support", vbCritical, "Bad image"

End If End Sub

Private Sub Form_Load()

Move (MDIForm1.ScaleWidth - Width) \ 2, (MDIForm1.ScaleHeight - Height) \ 2 Set clsStega = New ClsStegano

Set clsStegaRead = New ClsStegano

currentStep = 0

'DemoLimit = 1000 '1000bytes

'If bPurchase Then DemoLimit = 2147483647 'unlimited DemoLimit = 2147483647

'for future use

'vHex = Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", " E", " F")

'vBin = Array("0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010",

"1011", "1100", "1101", " 1110", " 1111")

m_Millimeter = ScaleX(100, vbPixels, vbMillimeters) 'fill the name for each step process

vSteps = Array("Langkah 1: Pilih Gambar", "Langkah 2: Mengecek Gambar", "Step 3: Pilih File Yang Ingin Dimasukkan", "Step 4: Isi Kata Sandi", "Step 5: Proses Menggabungkan 2 File", "Selesai: File Berhasil Disisipkan")

End Sub

Private Sub Form_Unload(Cancel As Integer) Dim It As ListItem

If currentStep >= MAX_STEPS Then 'proccess done, delete tmp files For Each It In lvwFilesAdded.ListItems

Kill clsStega(It.Key).Filename

Private Sub HS_Scroll()

Private Sub OpAlgoId_Click(Index As Integer) clsStega.HashAlgorithm = Index

End Sub

Private Sub OpEncAlgo_Click(Index As Integer) clsStega.EncryptionAlgorithm = Index End Sub

Private Sub Timer1_Timer() If j < 100 Then

j = j + 1

OsenXPProgressBar1.Value = j

ElseIf OsenXPProgressBar1.Value = 100 Then Timer1.Enabled = False

TheImage.Move TheImage.Left, -VS.Value End Sub

Private Sub VS_Scroll()

TheImage.Move TheImage.Left, -VS.Value End Sub

 Untuk menampilkan Menu Ekstrak File

Option Explicit

Dim strImageFile$ 'the main image where the files was attached Dim m_Millimeter&

Dim vSteps

Const MAX_STEPS = 2 Dim currentStep&

Dim imgIco%

Dim WithEvents clsStegaRead As ClsStegano 'the magic class

Private Sub clsStegaRead_SomeError(strDescription As String) MsgBox strDescription, , "Image Copyright Protector"

End Sub

Private Sub clsStegaRead_StatusChanged(prcDone As Long, strStatus As String)

lbStatus = strStatus End Sub

Private Sub cmdBack_Click() cmdNext.Enabled = True cmdFinish.Enabled = False If currentStep >= 0 Then

frStep(currentStep).Visible = False currentStep = currentStep - 1 lbStep = vSteps(currentStep)

If currentStep < 0 Then currentStep = 0

frStep(currentStep).Visible = True

If currentStep = 0 Then cmdBack.Enabled = False

If txtLock.Visible = True And Len(Trim(txtLock)) = 0 Then

MsgBox "Password is empty!", vbExclamation, "Image Copyright Protector"

txtLock.SetFocus

Close OutFile

MsgBox Err.Description, , "Image Copyright Protector"

End Sub

frStep(currentStep).Visible = False currentStep = currentStep + 1 lbStep = vSteps(currentStep)

cmdBack.Enabled = False

Dim ToW&, ToH&, InW&, InH&, mPad&

mPad = 2

Files.Filter = "Bitmap (*.bmp)|*.bmp"

Files.ShowOpen

strImageFile = Files.Filename

If strImageFile <> "" And VBA.Right$(strImageFile, 4) = ".bmp" Then TheImage.Picture = LoadPicture(strImageFile)

clsStegaRead.ImageFile = strImageFile

lbImgName = "Name: " & Files.FileTitle

ToW = Me.ScaleWidth - mPad - mPad

MsgBox "Error: trying to add unsupport image", vbCritical, "Bad image"

End If End Sub

Private Sub Form_Load() currentStep = 0 'for futture use

'vHex = Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", " E", " F")

'vBin = Array("0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010",

"1011", "1100", "1101", " 1110", " 1111") Set clsStegaRead = New ClsStegano

m_Millimeter = ScaleX(100, vbPixels, vbMillimeters)

vSteps = Array("Langkah 1: Pilih Gambar Terwatermark", "Langkah 2: Mengekstrak File dari Gambar",

"Langkah 3: Pilih File yang akan Diekstrak", "Selesai: File Berhasil Diekstrak")

End Sub

Private Sub Form_Unload(Cancel As Integer) Dim It As ListItem

For Each It In lvwFilesAdded.ListItems Kill clsStegaRead(It.Key).Filename Next

Private Sub VS_Scroll()

TheImage.Move TheImage.Left, -VS.Value End Sub

 Untuk Menampilkan Pemutar Audio

Private Sub Form_Load() End Sub

Private Sub WindowsMediaPlayer1_OpenStateChange(ByVal NewState As Long) End Sub

 Modul Dan Class Modul

Karena aplikasi ini dibuat dengan menggunakan modul,maka source code di atas tidak lengkap apabila tidak menyertakan pula modulnya. Untuk source code modulnya adalah sebagai berikut :

 Modul

Option Explicit

Public bPurchase As Boolean

Declare Sub CopyMemory Lib "KERNEL32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)

'Public Enum TypeFileEncode 'file header, total 14 bytes Type winBMPFileHeader

strFileType As String * 2 ' file type always 4D42h or "BM"

lngFileSize As Long 'size in bytes ussually 0 for uncompressed bytReserved1 As Integer ' always 0

bytReserved2 As Integer ' always 0

lngBitmapOffset As Long 'starting position of image data in bytes End Type

'image header, total 40 bytes Type BITMAPINFOHEADER

biYPelsPerMeter As Long 'preferred resolution in pixels per meter biClrUsed As Long 'number of colors that are actually used (can be 0) biClrImportant As Long 'which color is most important (0 means all of them) End Type

Declare Function PeekMessage Lib "user32" Alias "PeekMessageA" (lpMsg As msg, ByVal hwnd As Long, ByVal wMsgFilterMin As Long, ByVal wMsgFilterMax As Long, ByVal wRemoveMsg As Long) As Long Declare Function TranslateMessage Lib "user32" (lpMsg As msg) As Long

Declare Function DispatchMessage Lib "user32" Alias "DispatchMessageA" (lpMsg As msg) As Long Public Const PM_REMOVE = &H1 'paramater on peekmessage to remove or leave message in queue

'myDoEvents() 43% more faster than Vb-DoEvents Public Function myDoEvents() As Boolean

If PeekMessage(Message, 0, 0, 0, PM_REMOVE) Then 'checks for a message in the queue and removes it if there is one

TranslateMessage Message 'translates the message(dont need if there is no menu)

Function AscChar(ByVal MyMot As String) As String

If TmpMot = VBA.Space(Len(TmpMot)) Then TmpMot = ""

AscChar = TmpMot End Function

'Function String2Binary(theStr As String, RetArray() As tBits, olbStatus As Label, ProgBar As ProgressBar) 'Dim I&, hexRes$, LenBy&

'Dim arrHexStr() As String, arrHexBy() As Byte, BinRes() As tBits '

' Convert2BinaryArray arrHexBy(), BinRes(), olbStatus, ProgBar '

' End If ' Next I 'Bin2Hex = Res 'End Function

Function Bin2Asc(Bin As tBits) As Integer Dim num As Integer

Function ByteToBinary(ByVal Data As Byte) As tBits Dim tmpBit As tBits

Public Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long

Public Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal wNewWord As Long) As Long

Public Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal crey As Byte, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long

Public Const GWL_EXSTYLE = (-20) Public Const WS_EX_LAYERED = &H80000 Public Const LWA_ALPHA = &H2

Public Function TranslucentForm(frm As Form, TranslucenceLevel As Byte) As Boolean SetWindowLong frm.hwnd, GWL_EXSTYLE, WS_EX_LAYERED

SetLayeredWindowAttributes frm.hwnd, 0, TranslucenceLevel, LWA_ALPHA TranslucentForm = Err.LastDllError = 0

End Function

Public Function MakeTransparent(ByVal hwnd As Long, Perc As Integer) As Long Dim msg As Long

Else

msg = GetWindowLong(hwnd, GWL_EXSTYLE) msg = msg Or WS_EX_LAYERED

SetWindowLong hwnd, GWL_EXSTYLE, msg

SetLayeredWindowAttributes hwnd, 0, Perc, LWA_ALPHA MakeTransparent = 0

Private Const SC_MAXIMIZE As Long = &HF030&

Private Const xSC_MAXIMIZE As Long = -11&

Private Const GWL_STYLE = (-16)

Private Const WS_MAXIMIZEBOX = &H10000

Private Const hWnd_NOTOPMOST = -2 Private Const SWP_NOZORDER = &H4 Private Const SWP_NOSIZE = &H1 Private Const SWP_NOMOVE = &H2

Private Const SWP_FRAMECHANGED = &H20

Private Const MIIM_STATE As Long = &H1&

Private Const MIIM_ID As Long = &H2&

Private Const MFS_GRAYED As Long = &H3&

Private Const WM_NCACTIVATE As Long = &H86

Private Type MENUITEMINFO

Private Declare Function GetMenuItemInfo Lib "user32" Alias "GetMenuItemInfoA" (ByVal hMenu As Long, ByVal un As Long, ByVal b As Boolean, lpMenuItemInfo As MENUITEMINFO) As Long Private Declare Function SetMenuItemInfo Lib "user32" Alias "SetMenuItemInfoA" (ByVal hMenu As Long, ByVal un As Long, ByVal bool As Boolean, lpcMenuItemInfo As MENUITEMINFO) As Long Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long

Private Declare Function IsWindow Lib "user32" (ByVal hwnd As Long) As Long

Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long

Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long

Private Declare Function GetParent Lib "user32" (ByVal hwnd As Long) As Long

Private Declare Function SetParent Lib "user32" (ByVal hWndChild As Long, ByVal hWndNewParent As Long) As Long

Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long

'*******************************************************************************

' Enable / Disable Maximise Button

'---

Public Sub EnableMaxButton(ByVal hwnd As Long, Enable As Boolean) Dim lngFormStyle As Long

' Enable / Disable System Menu Item

EnableSystemMenuItem hwnd, SC_MAXIMIZE, xSC_MAXIMIZE, Enable, "EnableMaxButton"

' Enable / Disable TitleBar button

lngFormStyle = GetWindowLong(hwnd, GWL_STYLE) If Enable Then

lngFormStyle = lngFormStyle Or WS_MAXIMIZEBOX Else

lngFormStyle = lngFormStyle And Not WS_MAXIMIZEBOX End If

SetWindowLong hwnd, GWL_STYLE, lngFormStyle

' Dirty, slimy, devious hack to ensure that the changes to the ' window's style take immediate effect before the form is shown

SetParent hwnd, GetParent(hwnd)

SetWindowPos hwnd, hWnd_NOTOPMOST, 0, 0, 0, 0, SWP_NOZORDER Or SWP_NOSIZE Or SWP_NOMOVE Or SWP_FRAMECHANGED

End Sub

Private Sub EnableSystemMenuItem(hwnd As Long, Item As Long, Dummy As Long, Enable As Boolean, FuncName As String)

Dim hMenu As Long

Dim MII As MENUITEMINFO Dim lngMenuID As Long

If IsWindow(hwnd) = 0 Then

Err.Raise vbObjectError, "modCloseBtn::" & FuncName, _

' Retrieve a handle to the window's system menu hMenu = GetSystemMenu(hwnd, 0)

' Retrieve the menu item information for the Max menu item/button MII.cbSize = Len(MII)

If GetMenuItemInfo(hMenu, MII.wID, False, MII) = 0 Then Err.Raise vbObjectError, "modCloseBtn::" & FuncName, _ "modCloseBtn::" & FuncName & "() - Menu Item Not Found"

If SetMenuItemInfo(hMenu, lngMenuID, False, MII) = 0 Then Err.Raise vbObjectError, "modCloseBtn::" & FuncName, _ "modCloseBtn::" & FuncName & "() - Error encountered " & _

If SetMenuItemInfo(hMenu, MII.wID, False, MII) = 0 Then Err.Raise vbObjectError, "modCloseBtn::" & FuncName, _ "modCloseBtn::" & FuncName & "() - Error encountered " & _ "changing state"

Exit Sub End If

SendMessage hwnd, WM_NCACTIVATE, True, 0 End Sub

urr

Dalam dokumen IMPLEMENTASI WATERMARKING CITRA DIGITAL DENGAN FORMAT BITMAP (BMP) DAN DATA AUDIO SEBAGAI LABEL WATERMARK. Sebagai Salah Satu Syarat Untuk Memperoleh (Halaman 108-128)