18 lines
862 B
Plaintext
18 lines
862 B
Plaintext
Public Shared Sub SaveRasterBitmapToPpmFile(ByVal rasterBitmap As RasterBitmap, ByVal filepath As String)
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Dim header As String = String.Format("P6{0}{1}{2}{3}{0}255{0}", vbLf, rasterBitmap.Width, " "c, rasterBitmap.Height)
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Dim bufferSize As Integer = header.Length + (rasterBitmap.Width * rasterBitmap.Height * 3)
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Dim bytes(bufferSize - 1) As Byte
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Buffer.BlockCopy(Encoding.ASCII.GetBytes(header.ToString), 0, bytes, 0, header.Length)
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Dim index As Integer = header.Length
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For y As Integer = 0 To rasterBitmap.Height - 1
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For x As Integer = 0 To rasterBitmap.Width - 1
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Dim color As Rgb = rasterBitmap.GetPixel(x, y)
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bytes(index) = color.R
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bytes(index + 1) = color.G
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bytes(index + 2) = color.B
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index += 3
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Next
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Next
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My.Computer.FileSystem.WriteAllBytes(filepath, bytes, False)
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End Sub
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