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Convert PDF To 1-bit BMP - VB.NET

PDF Renderer SDK sample in VB.NET demonstrating ‘Convert PDF To 1-bit BMP’

Program.vb

Imports Bytescout.PDFRenderer


Class Program
    Friend Shared Sub Main(args As String())

        ' Create an instance of Bytescout.PDFRenderer.RasterRenderer object and register it.
        Dim renderer As New RasterRenderer()
        renderer.RegistrationName = "demo"
        renderer.RegistrationKey = "demo"

        ' Load PDF document.
        renderer.LoadDocumentFromFile("multipage.pdf")

        Dim renderingOptions As New RenderingOptions()
        ' Set pixel format to 1-bit
        renderingOptions.ImageBitsPerPixel = ImageBitsPerPixel.BPP1

        For i As Integer = 0 To renderer.GetPageCount() - 1
            ' Save 1-bit image to file
            renderer.Save("image" & i & ".bmp", RasterImageFormat.BMP, i, 200, renderingOptions)
        Next

        ' Cleanup
        renderer.Dispose()

        ' Open the first output file in default image viewer.
        System.Diagnostics.Process.Start("image0.bmp")

    End Sub
End Class

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