Showing posts with label File Corrupted. Show all posts
Showing posts with label File Corrupted. Show all posts

Sunday, November 16, 2014

check corrupted .tif tiff file using vb.net OpenTiff Library

-install package related .tif using nuget
PM> Install-Package BitMiracle.LibTiff.NET

Imports BitMiracle.LibTiff.Classic

 Public Shared Function CheckCorruptedTiff(ByVal path As String) As Boolean
        Dim result As Boolean = False
        Using image As Tiff = Tiff.Open(path, "r")
            If image Is Nothing Then
                result = True
            End If

            Dim numberOfDirectories As Integer = image.NumberOfDirectories()
            For i As Integer = 0 To numberOfDirectories - 1
                image.SetDirectory(CShort(i))

                Dim width As Integer = image.GetField(TiffTag.IMAGEWIDTH)(0).ToInt()
                Dim height As Integer = image.GetField(TiffTag.IMAGELENGTH)(0).ToInt()

                Dim imageSize As Integer = height * width
                Dim raster As Integer() = New Integer(imageSize) {}

                If Not image.ReadRGBAImage(width, height, raster, True) Then
                    result = False
                End If
            Next
        End Using
        Return result
    End Function