37 lines
1,005 B
Text
37 lines
1,005 B
Text
Sub saveBinaryPBM (handle As Long, filename As String)
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Dim imgwidth As Long
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Dim imgheight As Long
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Dim oldsource As Long
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Dim fid As String
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Dim imgdim As String
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Dim y As _Unsigned Long
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Dim x As _Unsigned Long
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Dim c As _Byte
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oldsource = _Source
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_Source handle
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imgwidth = _Width(handle)
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imgheight = _Height(handle)
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Open filename For Binary As #1
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fid = "P4" + Chr$(10)
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Put #1, , fid
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fid = "# Created with QB64" + Chr$(10)
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Put #1, , fid
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imgdim = LTrim$(Str$(imgwidth) + Str$(imgheight)) + Chr$(10)
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Put #1, , imgdim
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Dim o As _Unsigned _Byte
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For y = 0 To imgheight - 1
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For x = 0 To imgwidth - 1
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c = (Point(x, y) = _RGB(0, 0, 0))
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If c <> 0 Then
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o = _SetBit(o, 7 - (x Mod 8))
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Else
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o = _ResetBit(o, 7 - (x Mod 8))
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End If
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If x Mod 8 = 7 Then
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Put #1, , o
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End If
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Next
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Next
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Close #1
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End Sub
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