28 lines
838 B
Text
28 lines
838 B
Text
$if Solarize = undefined then
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$let Solarize = defined
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Sub Solarize (image As Long, threshold)
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Dim oldDest As Long
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Dim oldSource As Long
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Dim y As Long
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Dim x As Long
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Dim orgc As _Unsigned Long
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Dim r As Integer
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Dim g As Integer
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Dim b As Integer
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oldDest = _Dest
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oldSource = _Source
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_Dest image
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_Source image
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For y = 0 To _Height(image) - 1
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For x = 0 To _Width(image) - 1
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orgc = Point(x, y)
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If _Red(orgc) > threshold Then r = 255 - _Red(orgc) Else r = _Red(orgc)
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If _Green(orgc) > threshold Then g = 255 - _Green(orgc) Else g = _Green(orgc)
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If _Blue(orgc) > threshold Then b = 255 - _Blue(orgc) Else b = _Blue(orgc)
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PSet (x, y), _RGB32(r, g, b)
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Next
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Next
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_Dest oldDest
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_Source oldSource
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End Sub
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$end if
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