ASP不需要组件生成图片验证码的方法

     Do
         If S < 0 Then
             S = S + 2 * lBeta * (2 * lTempX + 3)
             T = T + 4 * lBeta * (lTempX + 1)
             lTempX = lTempX + 1
         ElseIf T < 0 Then
             S = S + 2 * lBeta * (2 * lTempX + 3) - 4 * lAlpha * (lTempY - 1)
             T = T + 4 * lBeta * (lTempX + 1) - 2 * lAlpha * (2 * lTempY - 3)
             lTempX = lTempX + 1
             lTempY = lTempY - 1
         Else
             S = S - 4 * lAlpha * (lTempY - 1)
             T = T - 2 * lAlpha * (2 * lTempY - 3)
             lTempY = lTempY - 1
         End If

         ArcPixel lX, lY, lTempX, lTempY, dStart, dEnd
         ArcPixel lX, lY, -lTempX, lTempY, dStart, dEnd
         ArcPixel lX, lY, lTempX, -lTempY, dStart, dEnd

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