?? patfade.cls
字號:
VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "PatternFade"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit
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)
Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
Private Const SRCCOPY& = &HCC0020
Private Const SRCAND& = &H8800C6
Dim BitBrush(20) As BitBrush
Dim m_pict1 As Control
Dim m_pict2 As Control
Dim m_pict3 As Control
Public Property Set pic1(Acontrol As Control)
Set m_pict1 = Acontrol
End Property
Public Property Set pic2(Acontrol As Control)
Set m_pict2 = Acontrol
End Property
Public Property Set pic3(Acontrol As Control)
Set m_pict3 = Acontrol
End Property
Private Sub CreatePatterns()
Dim Cnt As Long
Dim N As Long
Dim Pat As String
For Cnt = 1 To 20
For N = 1 To 8
Select Case Cnt
Case 1
If N = 1 Then Pat$ = "00000000"
If N = 2 Then Pat$ = "00000000"
If N = 3 Then Pat$ = "00000000"
If N = 4 Then Pat$ = "00000000"
If N = 5 Then Pat$ = "00000000"
If N = 6 Then Pat$ = "00000000"
If N = 7 Then Pat$ = "00000000"
If N = 8 Then Pat$ = "00000000"
Case 2
If N = 1 Then Pat$ = "10001000"
If N = 2 Then Pat$ = "00000000"
If N = 3 Then Pat$ = "00000000"
If N = 4 Then Pat$ = "00000000"
If N = 5 Then Pat$ = "10001000"
If N = 6 Then Pat$ = "00000000"
If N = 7 Then Pat$ = "00000000"
If N = 8 Then Pat$ = "00000000"
Case 3
If N = 1 Then Pat$ = "10001000"
If N = 2 Then Pat$ = "00000000"
If N = 3 Then Pat$ = "00100010"
If N = 4 Then Pat$ = "00000000"
If N = 5 Then Pat$ = "10001000"
If N = 6 Then Pat$ = "00000000"
If N = 7 Then Pat$ = "00100010"
If N = 8 Then Pat$ = "00000000"
Case 4
If N = 1 Then Pat$ = "10001000"
If N = 2 Then Pat$ = "00000000"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "00000000"
If N = 5 Then Pat$ = "10001000"
If N = 6 Then Pat$ = "00000000"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "00000000"
Case 5
If N = 1 Then Pat$ = "10101010"
If N = 2 Then Pat$ = "00000000"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "00000000"
If N = 5 Then Pat$ = "10101010"
If N = 6 Then Pat$ = "00000000"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "00000000"
Case 6
If N = 1 Then Pat$ = "10101010"
If N = 2 Then Pat$ = "00010001"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "00000000"
If N = 5 Then Pat$ = "10101010"
If N = 6 Then Pat$ = "00010001"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "00000000"
Case 7
If N = 1 Then Pat$ = "10101010"
If N = 2 Then Pat$ = "00010001"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "01000100"
If N = 5 Then Pat$ = "10101010"
If N = 6 Then Pat$ = "00010001"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "01000100"
Case 8
If N = 1 Then Pat$ = "10101010"
If N = 2 Then Pat$ = "01010101"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "01000100"
If N = 5 Then Pat$ = "10101010"
If N = 6 Then Pat$ = "01010101"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "01000100"
Case 9
If N = 1 Then Pat$ = "10101010"
If N = 2 Then Pat$ = "01010101"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "01010101"
If N = 5 Then Pat$ = "10101010"
If N = 6 Then Pat$ = "01010101"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "01010101"
Case 10
If N = 1 Then Pat$ = "11101110"
If N = 2 Then Pat$ = "01010101"
If N = 3 Then Pat$ = "10101010"
If N = 4 Then Pat$ = "01010101"
If N = 5 Then Pat$ = "11101110"
If N = 6 Then Pat$ = "01010101"
If N = 7 Then Pat$ = "10101010"
If N = 8 Then Pat$ = "01010101"
Case 11
If N = 1 Then Pat$ = "11101110"
If N = 2 Then Pat$ = "01010101"
If N = 3 Then Pat$ = "10111011"
If N = 4 Then Pat$ = "01010101"
If N = 5 Then Pat$ = "11101110"
If N = 6 Then Pat$ = "01010101"
If N = 7 Then Pat$ = "10111011"
If N = 8 Then Pat$ = "01010101"
Case 12
If N = 1 Then Pat$ = "11101110"
If N = 2 Then Pat$ = "01010101"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "01010101"
If N = 5 Then Pat$ = "11101110"
If N = 6 Then Pat$ = "01010101"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "01010101"
Case 13
If N = 1 Then Pat$ = "11101110"
If N = 2 Then Pat$ = "01110111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "01010101"
If N = 5 Then Pat$ = "11101110"
If N = 6 Then Pat$ = "01110111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "01010101"
Case 14
If N = 1 Then Pat$ = "11101110"
If N = 2 Then Pat$ = "01110111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11011101"
If N = 5 Then Pat$ = "11101110"
If N = 6 Then Pat$ = "01110111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11011101"
Case 15
If N = 1 Then Pat$ = "11111111"
If N = 2 Then Pat$ = "01110111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11011101"
If N = 5 Then Pat$ = "11111111"
If N = 6 Then Pat$ = "01110111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11011101"
Case 16
If N = 1 Then Pat$ = "11111111"
If N = 2 Then Pat$ = "11111111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11011101"
If N = 5 Then Pat$ = "11111111"
If N = 6 Then Pat$ = "11111111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11011101"
Case 17
If N = 1 Then Pat$ = "11111111"
If N = 2 Then Pat$ = "11111111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11111101"
If N = 5 Then Pat$ = "11111111"
If N = 6 Then Pat$ = "11111111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11011101"
Case 18
If N = 1 Then Pat$ = "11111111"
If N = 2 Then Pat$ = "11111111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11111101"
If N = 5 Then Pat$ = "11111111"
If N = 6 Then Pat$ = "11111111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11011111"
Case 19
If N = 1 Then Pat$ = "11111111"
If N = 2 Then Pat$ = "11111111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11111101"
If N = 5 Then Pat$ = "11111111"
If N = 6 Then Pat$ = "11111111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11111111"
Case 20
If N = 1 Then Pat$ = "11111111"
If N = 2 Then Pat$ = "11111111"
If N = 3 Then Pat$ = "11111111"
If N = 4 Then Pat$ = "11111111"
If N = 5 Then Pat$ = "11111111"
If N = 6 Then Pat$ = "11111111"
If N = 7 Then Pat$ = "11111111"
If N = 8 Then Pat$ = "11111111"
End Select
BitBrush(Cnt).SetPattern Pat$, N
Next N
BitBrush(Cnt).SetuBitmap 255, 255, 255, 0, 0, 0
BitBrush(Cnt).BuildBitmap
Next Cnt
End Sub
Public Sub FadeIn(Time As Integer)
Dim Cnt As Integer
Dim throw As Long
CreatePatterns
For Cnt = 20 To 1 Step -1
BitBrush(Cnt).ShowPattern '用刷子填充pic2
throw = BitBlt(m_pict2.hDC, 0, 0, m_pict1.ScaleWidth, m_pict1.ScaleHeight, m_pict1.hDC, 0, 0, SRCAND)
throw = BitBlt(m_pict3.hDC, 0, 0, m_pict3.ScaleWidth, m_pict3.ScaleHeight, m_pict2.hDC, 0, 0, SRCCOPY)
Sleep Time
DoEvents
Next Cnt
End Sub
Public Sub FadeOut(Time As Integer)
Dim Cnt As Integer
Dim throw As Integer
CreatePatterns
For Cnt = 1 To 20
BitBrush(Cnt).ShowPattern
throw = BitBlt(m_pict2.hDC, 0, 0, m_pict1.ScaleWidth, m_pict1.ScaleHeight, m_pict1.hDC, 0, 0, SRCAND)
throw = BitBlt(m_pict3.hDC, 0, 0, m_pict3.ScaleWidth, m_pict3.ScaleHeight, m_pict2.hDC, 0, 0, SRCCOPY)
Sleep Time
DoEvents
Next Cnt
End Sub
Public Sub Setup()
Dim i As Integer
m_pict1.Width = m_pict3.Width
m_pict1.Height = m_pict3.Height
m_pict2.Width = m_pict3.Width
m_pict2.Height = m_pict3.Height
m_pict1.AutoRedraw = True
m_pict2.AutoRedraw = True
For i = 1 To 20
Set BitBrush(i) = New BitBrush
Set BitBrush(i).DispPict = m_pict2
Next
End Sub
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