Document image processing SDK

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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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// Load the image from a file.
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int imageId = gdpictureImaging.CreateGdPictureImageFromFile(@"C:/temp/source.png");
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// Deskew the image.
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gdpictureImaging.AutoDeskew(imageId, 10);
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// Save the output in a new image.
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gdpictureImaging.SaveAsPNG(imageId, @"C:/temp/output.png");
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gdpictureImaging.ReleaseGdPictureImage(imageId);

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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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    ' Load the image from a file.
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    Dim imageId As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:/temp/source.png")
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    ' Deskew the image.
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    gdpictureImaging.AutoDeskew(imageId, 10)
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    ' Save the output in a new image.
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    gdpictureImaging.SaveAsPNG(imageId, "C:/temp/output.png")
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    gdpictureImaging.ReleaseGdPictureImage(imageId)
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End Using

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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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// Load the image from a file.
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int imageId = gdpictureImaging.CreateGdPictureImageFromFile(@"C:/temp/source.png");
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// Check if the image has inverted colors.
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bool isNegative = gdpictureImaging.IsNegative(imageId);
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if (isNegative)
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{
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    // Reverse the colors.
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    gdpictureImaging.FxNegative(imageId);
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    gdpictureImaging.SaveAsPNG(imageId, @"C:/temp/output.png");
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}
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// Release the image resource.
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gdpictureImaging.ReleaseGdPictureImage(imageId);

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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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    ' Load the image from a file.
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    Dim imageId As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:/temp/source.png")
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    ' Check if the image has inverted colors.
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    Dim isNegative As Boolean = gdpictureImaging.IsNegative(imageId)
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    If isNegative Then
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        ' Reverse the colors.
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        gdpictureImaging.FxNegative(imageId)
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        gdpictureImaging.SaveAsPNG(imageId, "C:/temp/output.png")
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    End If
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    ' Release the image resource.
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    gdpictureImaging.ReleaseGdPictureImage(imageId)
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End Using

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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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// Load the image from a file.
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int imageId = gdpictureImaging.CreateGdPictureImageFromFile(@"C:/temp/source.png");
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// Fix thick characters.
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gdpictureImaging.FxBitonalErode8(imageId);
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// Save the output in a new image.
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gdpictureImaging.SaveAsPNG(imageId, @"C:/temp/output.png");
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gdpictureImaging.ReleaseGdPictureImage(imageId);

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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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    ' Load the image from a file.
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    Dim imageId As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:/temp/source.png")
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    ' Fix thick characters.
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    gdpictureImaging.FxBitonalErode8(imageId)
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    ' Save the output in a new image.
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    gdpictureImaging.SaveAsPNG(imageId, "C:/temp/output.png")
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    gdpictureImaging.ReleaseGdPictureImage(imageId)
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End Using

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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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// Load the image from a file.
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int imageId = gdpictureImaging.CreateGdPictureImageFromFile(@"C:/temp/source.png");
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// Remove salt-and-pepper noise.
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gdpictureImaging.FxBitonalDespeckle(imageId, false);
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// Save the output in a new image.
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gdpictureImaging.SaveAsPNG(imageId, @"C:/temp/output.png");
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gdpictureImaging.ReleaseGdPictureImage(imageId);

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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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    ' Load the image from a file.
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    Dim imageId As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:/temp/source.png")
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    ' Remove salt-and-pepper noise.
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    gdpictureImaging.FxBitonalDespeckle(imageId, False)
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    ' Save the output in a new image.
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    gdpictureImaging.SaveAsPNG(imageId, "C:/temp/output.png")
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    gdpictureImaging.ReleaseGdPictureImage(imageId)
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End Using