codenum.asp

网人分类信息5.0商业版。非常优秀的分类信息系统。比较少见。

        CDGen_SetDirection 120
        CDGen_FowardDraw 0.7
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 90
        CDGen_FowardDraw 0.4
        CDGen_MoveToMiddle 6, 0
        CDGen_SetDirection 180
        CDGen_FowardDraw 0.4
    Case "H"
        CDGen_SetDirection -(Rnd * 20 - 10)
        CDGen_FowardDraw 1
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection -90
        CDGen_FowardDraw 1
        CDGen_MoveToMiddle 1, 100
        CDGen_SetDirection -90
        CDGen_FowardDraw 0.5
        CDGen_MoveToMiddle 1, 100
        CDGen_SetDirection 180
        CDGen_FowardDraw 0.5
    Case "I"
        CDGen_SetDirection -(Rnd * 20 - 10)
        CDGen_FowardDraw 1
        CDGen_MoveToMiddle 0, 0
        CDGen_SetDirection -90
        CDGen_FowardDraw 0.2
        CDGen_MoveToMiddle 0, 0
        CDGen_SetDirection 180
        CDGen_FowardDraw 0.2
        CDGen_MoveToMiddle 0, 100
        CDGen_FowardDraw 0.2
        CDGen_MoveToMiddle 0, 100
        CDGen_SetDirection 180
        CDGen_FowardDraw 0.2
    Case "J"
        CDGen_SetDirection -90
        CDGen_FowardDraw 0.4
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection 90
        CDGen_FowardDraw 0.6
        CDGen_SetDirection 60
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 120
        CDGen_FowardDraw 0.5
    Case "K"
        CDGen_SetDirection -(Rnd * 20 - 10)
        CDGen_FowardDraw 1
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.6
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.6
    Case "L"
        CDGen_SetDirection -90
        CDGen_FowardDraw 0.2
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection -(Rnd * 20 - 10)
        CDGen_FowardDraw 1
        CDGen_SetDirection -(110 - Rnd * 40)
        CDGen_FowardDraw 0.8
        CDGen_SetDirection 0
        CDGen_FowardDraw -0.3
    Case "M"
        CDGen_SetDirection 0
        CDGen_FowardDraw -1
        CDGen_SetDirection -30
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 60
        CDGen_FowardDraw -0.5
        CDGen_SetDirection -30
        CDGen_FowardDraw 1
    Case "N"
        CDGen_SetDirection 0
        CDGen_FowardDraw -1
        CDGen_SetDirection -45
        CDGen_FowardDraw 1.4
        CDGen_SetDirection 45
        CDGen_FowardDraw -1
    Case "O"
        CDGen_SetDirection -60
        CDGen_FowardDraw -0.7
        CDGen_SetDirection -60
        CDGen_FowardDraw -0.7
        CDGen_SetDirection 120
        CDGen_FowardDraw 1.5
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.7
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.7
        CDGen_Close 0
    Case "P"
        CDGen_SetDirection 0
        CDGen_FowardDraw -1
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 60
        CDGen_FowardDraw 0.5
        CDGen_CloseToMiddle 0, 50
    Case "Q"
        CDGen_SetDirection -60
        CDGen_FowardDraw -0.7
        CDGen_SetDirection -60
        CDGen_FowardDraw -0.7
        CDGen_SetDirection 120
        CDGen_FowardDraw 1.5
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.7
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.7
        CDGen_Close 0
        CDGen_MoveToMiddle 4, 100
        CDGen_SetDirection -45
        CDGen_FowardDraw 0.7
        CDGen_MoveToMiddle 4, 100
        CDGen_SetDirection 180
        CDGen_FowardDraw 0.7
    Case "R"
        CDGen_SetDirection 0
        CDGen_FowardDraw -1
        CDGen_SetDirection -80
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 60
        CDGen_FowardDraw 0.5
        CDGen_CloseToMiddle 0, 50
        CDGen_SetDirection -45
        CDGen_FowardDraw 0.7
    Case "S"
        CDGen_SetDirection -45
        CDGen_FowardDraw -0.5
        CDGen_SetDirection -90
        CDGen_FowardDraw -0.5
        CDGen_SetDirection 90
        CDGen_FowardDraw 1
        CDGen_SetDirection 90
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 90
        CDGen_FowardDraw 0.5
    Case "T"
        CDGen_SetDirection -90
        CDGen_FowardDraw 0.8
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection 90
        CDGen_FowardDraw 1
        CDGen_MoveToMiddle 0, 0
        CDGen_SetDirection 30
        CDGen_FowardDraw 0.5
        CDGen_MoveToMiddle 0, 100
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.5
    Case "U"
        CDGen_FowardDraw 1
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.6
        CDGen_SetDirection -60
        CDGen_FowardDraw 0.6
        CDGen_SetDirection -60
        CDGen_FowardDraw 1
    Case "V"
        CDGen_SetDirection -30
        CDGen_FowardDraw 1.5
        CDGen_SetDirection 60
        CDGen_FowardDraw -1.5
    Case "W"
        CDGen_SetDirection -30
        CDGen_FowardDraw 1.5
        CDGen_SetDirection 60
        CDGen_FowardDraw -1
        CDGen_SetDirection -60
        CDGen_FowardDraw 1
        CDGen_SetDirection 60
        CDGen_FowardDraw -1.5
    Case "X"
        CDGen_SetDirection -45
        CDGen_FowardDraw 1.4
        CDGen_MoveToMiddle 0, 50
        CDGen_SetDirection 90
        CDGen_FowardDraw 0.7
        CDGen_MoveToMiddle 0, 50
        CDGen_FowardDraw -0.7
    Case "Y"
        CDGen_SetDirection -30
        CDGen_FowardDraw 0.5
        CDGen_SetDirection 60
        CDGen_FowardDraw -0.5
        CDGen_MoveToMiddle 0, 100
        CDGen_SetDirection -30
        CDGen_FowardDraw 0.5
    Case "Z"
        CDGen_SetDirection -90
        CDGen_FowardDraw 1
        CDGen_SetDirection -45
        CDGen_FowardDraw -1.4
        CDGen_SetDirection 45
        CDGen_FowardDraw 1
	End Select
	CDGen_Flush X0, Y0
End Sub

Sub CDGen_Blur()
	' 对产生的位图进行柔化处理
	Dim i, j
	
	For j = 1 To nPixelHeight - 2
		For i = 1 To nCharCount * nPixelWidth - 2
			If Buf(j, i) = 0 Then
				If ((Buf(j, i - 1) Or Buf(j + 1, i)) And 1) <> 0 Then
					' 如果当前点是空白点，且上下左右四个点中有一个点是有色点，则该点做柔化处理
					Buf(j, i) = 2
				End If
			End If
		Next
	Next
End Sub

Sub CDGen_NoisyDot()
	' 对产生的位图进行噪点处理
	Dim i, j, NoisyDot, CurDot
	
	For j = 0 To nPixelHeight - 1
		For i = 0 To nCharCount * nPixelWidth - 1
			If Buf(j, i) <> 0 Then
				NoisyDot = Int(Rnd * Rnd * nMaxSaturation)
				Select Case nColorNoisyDotOdds
				Case 0
					CurDot = nMaxSaturation
				Case 1
					CurDot = 0
				Case Else
					CurDot = NoisyDot
				End Select
				If Rnd < nColorNoisyDotOdds Then Buf(j, i) = CurDot Else Buf(j, i) = nMaxSaturation
			Else
				NoisyDot = Int(Rnd * nMaxSaturation)
				Select Case nBlankNoisyDotOdds
				Case 0
					CurDot = 0
				Case 1
					CurDot = nMaxSaturation
				Case Else
					CurDot = NoisyDot
				End Select
				If Rnd < nBlankNoisyDotOdds Then Buf(j, i) = CurDot Else Buf(j, i) = 0
			End If
		Next
	Next
End Sub

Sub CDGen()
	' 生成位图阵列
	Dim i, Ch
	
	DigtalStr = ""
	CDGen_Clear
	For i = 0 To nCharCount - 1
		Ch = Mid(cCharSet, Int(Rnd * Len(cCharSet)) + 1, 1)
		DigtalStr = DigtalStr + Ch
		CDGen_Char Ch, i * nPixelWidth, 0
	Next
	CDGen_Blur
	CDGen_NoisyDot
End Sub

Function HSBToRGB(vH, vS, vB)
	' 将颜色值由HSB转换为RGB
	Dim aRGB(3), RGB1st, RGB2nd, RGB3rd
	Dim nH, nS, nB
	Dim lH, nF, nP, nQ, nT

	vH = (vH Mod 360)
	If vS > 100 Then
		vS = 100
	ElseIf vS < 0 Then
		vS = 0
	End If
	If vB > 100 Then
		vB = 100
	ElseIf vB < 0 Then
		vB = 0
	End If
	If vS > 0 Then
		nH = vH / 60
		nS = vS / 100
		nB = vB / 100
		lH = Int(nH)
		nF = nH - lH
		nP = nB * (1 - nS)
		nQ = nB * (1 - nS * nF)
		nT = nB * (1 - nS * (1 - nF))
		Select Case lH
		Case 0
			aRGB(0) = nB * 255
			aRGB(1) = nT * 255
			aRGB(2) = nP * 255
		Case 1
			aRGB(0) = nQ * 255
			aRGB(1) = nB * 255
			aRGB(2) = nP * 255
		Case 2
			aRGB(0) = nP * 255
			aRGB(1) = nB * 255		
			aRGB(2) = nT * 255
		Case 3
			aRGB(0) = nP * 255
			aRGB(1) = nQ * 255
			aRGB(2) = nB * 255
		Case 4
			aRGB(0) = nT * 255
			aRGB(1) = nP * 255
			aRGB(2) = nB * 255
		Case 5
			aRGB(0) = nB * 255
			aRGB(1) = nP * 255
			aRGB(2) = nQ * 255
		End Select			
	Else
		aRGB(0) = (vB * 255) / 100
		aRGB(1) = aRGB(0)
		aRGB(2) = aRGB(0)
	End If
	HSBToRGB = ChrB(Round(aRGB(2), 0)) & ChrB(Round(aRGB(1), 0)) & ChrB(Round(aRGB(0), 0))
End Function

Sub CreatValidCode(pSN)
	Dim i, j, CurColorHue
	
	' 禁止缓存
	Response.Expires = -9999
	Response.AddHeader "pragma", "no-cache"
	Response.AddHeader "cache-ctrol", "no-cache"
	Response.ContentType = "image/bmp"
	
	Call CDGen
	Response.Cookies(pSN) = DigtalStr

	Dim PicWidth, PicHeight, FileSize, PicDataSize
	PicWidth = nCharCount * nPixelWidth
	PicHeight = nPixelHeight
	PicDataSize = PicWidth * PicHeight * 3
	FileSize = PicDataSize + 54

	' 输出BMP文件信息头
	Response.BinaryWrite ChrB(66) & ChrB(77) & _
		ChrB(FileSize Mod 256) & ChrB((FileSize \ 256) Mod 256) & ChrB((FileSize \ 256 \ 256) Mod 256) & ChrB(FileSize \ 256 \ 256 \ 256) & _
		ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & _
		ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0)

	' 输出BMP位图信息头
	Response.BinaryWrite ChrB(40) & ChrB(0) & ChrB(0) & ChrB(0) & _
		ChrB(PicWidth Mod 256) & ChrB((PicWidth \ 256) Mod 256) & ChrB((PicWidth \ 256 \ 256) Mod 256) & ChrB(PicWidth \ 256 \ 256 \ 256) & _
		ChrB(PicHeight Mod 256) & ChrB((PicHeight \ 256) Mod 256) & ChrB((PicHeight \ 256 \ 256) Mod 256) & ChrB(PicHeight \ 256 \ 256 \ 256) & _
		ChrB(1) & ChrB(0) & _
		ChrB(24) & ChrB(0) & _
		ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & _
		ChrB(PicDataSize Mod 256) & ChrB((PicDataSize \ 256) Mod 256) & ChrB((PicDataSize \ 256 \ 256) Mod 256) & ChrB(PicDataSize \ 256 \ 256 \ 256) & _
		ChrB(18) & ChrB(11) & ChrB(0) & ChrB(0) & _
		ChrB(18) & ChrB(11) & ChrB(0) & ChrB(0) & _
		ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & _
		ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)

	' 逐点输出位图阵列
	If nColorHue = -1 Then
		CurColorHue = Int(Rnd * 360)
	ElseIf nColorHue = -2 Then
		CurColorHue = 0
	Else
		CurColorHue = nColorHue
	End If
	For j = 0 To nPixelHeight - 1
		For i = 0 To Len(DigtalStr) * nPixelWidth - 1
			If nColorHue = -2 Then
				Response.BinaryWrite HSBToRGB(CurColorHue, 0, 100 - Buf(nPixelHeight - 1 - j, i))
			Else
				Response.BinaryWrite HSBToRGB(CurColorHue, Buf(nPixelHeight - 1 - j, i), 100)
			End If
		Next
	Next
End Sub
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