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Update savebinarypbm.bm

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visionmercer 2022-06-13 13:04:47 +02:00 • committed by GitHub
commit 32e3ed4cb6
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1 changed files with 6 additions and 4 deletions
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savebinarypbm.bm
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@ -6,31 +6,33 @@ Sub saveBinaryPBM (handle As Long, filename As String)
Dim y As _Unsigned Long
Dim x As _Unsigned Long
Dim bytecount As _Unsigned Long
Dim ff As Long
Dim c As _Byte
Dim outbyte As _Unsigned _Byte
oldsource = _Source
_Source handle
imgwidth = _Width(handle)
imgheight = _Height(handle)
Open filename For Binary As #1
ff = FreeFile
Open filename For Binary As #ff
header = "P4" + Chr$(10)
header = header + "# Created with QB64" + Chr$(10)
header = header + LTrim$(Str$(imgwidth) + Str$(imgheight)) + Chr$(10)
Put #1, , header
For y = 0 To imgheight - 1
For x = 0 To imgwidth - 1
c = (Point(x, y) = _RGB(0, 0, 0))
c = (Point(x, y) = _RGB32(0, 0, 0))
If c <> 0 Then
outbyte = _SetBit(outbyte, 7 - (bytecount Mod 8))
Else
outbyte = _ResetBit(outbyte, 7 - (bytecount Mod 8))
End If
If bytecount Mod 8 = 7 Then
Put #1, , outbyte
Put #ff, , outbyte
End If
bytecount = bytecount + 1
Next
Next
If (imgheight * imgwidth) Mod 8 <> 0 Then Put #1, , outbyte
Close #1
Close #ff
End Sub