Private Declare Function CreateDCAsNull Lib "gdi32" Alias "CreateDCA" (ByVal lpDriverName As String, lpDeviceName As Any, lpOutput As Any, lpInitData As Any) As Long
Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Type BITMAP '24 bytes
bmType As Long
bmWidth As Long
bmHeight As Long
bmWidthBytes As Long
bmPlanes As Integer
bmBitsPixel As Integer
bmBits As Long
End Type
Private Declare Function GetObjectAPI Lib "gdi32" Alias "GetObjectA" (ByVal hObject As Long, ByVal nCount As Long, lpObject As Any) As LongPrivate m_hDC As Long
Private m_hBmpOld As Long
Private m_hBmp As Long
Private m_lWidth As Long
Private m_lheight As LongPublic Sub CreateFromPicture(sPic As IPicture)
Dim tB As BITMAP
Dim lhDCC As Long, lhDC As Long
Dim lhBmpOld As Long
GetObjectAPI sPic.Handle, Len(tB), tB
Width = tB.bmWidth
Height = tB.bmHeight
lhDCC = CreateDCAsNull("DISPLAY", ByVal 0&, ByVal 0&, ByVal 0&)
lhDC = CreateCompatibleDC(lhDCC)
lhBmpOld = SelectObject(lhDC, sPic.Handle)
BitBlt hdc, 0, 0, tB.bmWidth, tB.bmHeight, lhDC, 0, 0, vbSrcCopy
SelectObject lhDC, lhBmpOld
DeleteDC lhDC
DeleteDC lhDCC
End SubPublic Property Get hdc() As Long
hdc = m_hDC
End PropertyPublic Property Let Width(ByVal lW As Long)
If lW > m_lWidth Then
pCreate lW, m_lheight
End If
End PropertyPublic Property Get Width() As Long
Width = m_lWidth
End PropertyPublic Property Let Height(ByVal lH As Long)
If lH > m_lheight Then
pCreate m_lWidth, lH
End If
End PropertyPublic Property Get Height() As Long
Height = m_lheight
End PropertyPrivate Sub pCreate(ByVal lW As Long, ByVal lH As Long)
Dim lhDC As Long
pDestroy
lhDC = CreateDCAsNull("DISPLAY", ByVal 0&, ByVal 0&, ByVal 0&)
m_hDC = CreateCompatibleDC(lhDC)
m_hBmp = CreateCompatibleBitmap(lhDC, lW, lH)
m_hBmpOld = SelectObject(m_hDC, m_hBmp)
If m_hBmpOld = 0 Then
pDestroy
Else
m_lWidth = lW
m_lheight = lH
End If
DeleteDC lhDC
End SubPrivate Sub pDestroy()
If Not m_hBmpOld = 0 Then
SelectObject m_hDC, m_hBmpOld
m_hBmpOld = 0
End If
If Not m_hBmp = 0 Then
DeleteObject m_hBmp
m_hBmp = 0
End If
m_lWidth = 0
m_lheight = 0
If Not m_hDC = 0 Then
DeleteDC m_hDC
m_hDC = 0
End If
End SubPrivate Sub Class_Terminate()
pDestroy
End Sub
Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Type BITMAP '24 bytes
bmType As Long
bmWidth As Long
bmHeight As Long
bmWidthBytes As Long
bmPlanes As Integer
bmBitsPixel As Integer
bmBits As Long
End Type
Private Declare Function GetObjectAPI Lib "gdi32" Alias "GetObjectA" (ByVal hObject As Long, ByVal nCount As Long, lpObject As Any) As LongPrivate m_hDC As Long
Private m_hBmpOld As Long
Private m_hBmp As Long
Private m_lWidth As Long
Private m_lheight As LongPublic Sub CreateFromPicture(sPic As IPicture)
Dim tB As BITMAP
Dim lhDCC As Long, lhDC As Long
Dim lhBmpOld As Long
GetObjectAPI sPic.Handle, Len(tB), tB
Width = tB.bmWidth
Height = tB.bmHeight
lhDCC = CreateDCAsNull("DISPLAY", ByVal 0&, ByVal 0&, ByVal 0&)
lhDC = CreateCompatibleDC(lhDCC)
lhBmpOld = SelectObject(lhDC, sPic.Handle)
BitBlt hdc, 0, 0, tB.bmWidth, tB.bmHeight, lhDC, 0, 0, vbSrcCopy
SelectObject lhDC, lhBmpOld
DeleteDC lhDC
DeleteDC lhDCC
End SubPublic Property Get hdc() As Long
hdc = m_hDC
End PropertyPublic Property Let Width(ByVal lW As Long)
If lW > m_lWidth Then
pCreate lW, m_lheight
End If
End PropertyPublic Property Get Width() As Long
Width = m_lWidth
End PropertyPublic Property Let Height(ByVal lH As Long)
If lH > m_lheight Then
pCreate m_lWidth, lH
End If
End PropertyPublic Property Get Height() As Long
Height = m_lheight
End PropertyPrivate Sub pCreate(ByVal lW As Long, ByVal lH As Long)
Dim lhDC As Long
pDestroy
lhDC = CreateDCAsNull("DISPLAY", ByVal 0&, ByVal 0&, ByVal 0&)
m_hDC = CreateCompatibleDC(lhDC)
m_hBmp = CreateCompatibleBitmap(lhDC, lW, lH)
m_hBmpOld = SelectObject(m_hDC, m_hBmp)
If m_hBmpOld = 0 Then
pDestroy
Else
m_lWidth = lW
m_lheight = lH
End If
DeleteDC lhDC
End SubPrivate Sub pDestroy()
If Not m_hBmpOld = 0 Then
SelectObject m_hDC, m_hBmpOld
m_hBmpOld = 0
End If
If Not m_hBmp = 0 Then
DeleteObject m_hBmp
m_hBmp = 0
End If
m_lWidth = 0
m_lheight = 0
If Not m_hDC = 0 Then
DeleteDC m_hDC
m_hDC = 0
End If
End SubPrivate Sub Class_Terminate()
pDestroy
End Sub
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