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Text wrapping incorrectly on thumbnails

This problem just popped up after the converter has worked fine for quite some time. I am using the latest build of Aspose.Slides (2.6.26). I've attached a zip file containing the PPT and the resulting image. As you can see, the first line wraps the last work when it is converted. Why is this happening? Below is my conversion code.

Imports Drawing2D = System.Drawing.Drawing2D

Imports System.Drawing

Imports System.IO

Imports Aspose.Slides

Public Class PPTConverter

Public Sub New()

'Do nothing

End Sub

Public Shared Sub convert(ByVal filepath As String, ByVal slideWidth As Integer, ByVal slideHeight As Integer, ByVal imageExtension As String, Optional ByVal slidesName As String = "slide")

Dim ppt As New Aspose.Slides.Presentation(filepath)

Dim pathname As String

pathname = filepath.Substring(0, filepath.LastIndexOf("\") + 1)

Dim i As Integer

Dim bmpSlideName As String

Dim slideName As String

Dim slide As Aspose.Slides.Slide

Dim bmpSlideImage As Image

Dim slideImage As Image

Dim slideSize As New Size(slideWidth, slideHeight)

Dim gif As Imaging.ImageFormat = Imaging.ImageFormat.Gif

Dim jpg As Imaging.ImageFormat = Imaging.ImageFormat.Jpeg

Dim bmp As Imaging.ImageFormat = Imaging.ImageFormat.Bmp

Dim imgEncoder As Imaging.Encoder = Imaging.Encoder.Quality

Dim imgQuality As New Imaging.EncoderParameter(imgEncoder, 95)

Dim imgEncoderParams As New Imaging.EncoderParameters(1)

imgEncoderParams.Param(0) = imgQuality

Dim graphic As System.Drawing.Graphics

Dim myCallback As New Image.GetThumbnailImageAbort(AddressOf getThumbnailImageCallback)

For i = 1 To ppt.Slides.Count - 1

slide = ppt.GetSlideByPosition(i)

bmpSlideName = pathname & slidesName & Format(i, "000") & imageExtension

bmpSlideImage = slide.GetThumbnail(1, 1)

Select Case imageExtension

Case ".gif"

slideImage = bmpSlideImage.GetThumbnailImage(slideWidth, slideHeight, myCallback, IntPtr.Zero)

slideImage.Save(bmpSlideName, getImageCodecInfo("image/gif"), imgEncoderParams)

Case ".jpg"

slideImage = New Bitmap(slideWidth, slideHeight, Imaging.PixelFormat.Format24bppRgb)

graphic = System.Drawing.Graphics.FromImage(slideImage)

graphic.DrawImage(bmpSlideImage, 0, 0, slideWidth, slideHeight)

slideImage.Save(bmpSlideName, getImageCodecInfo("image/jpeg"), imgEncoderParams)

End Select


End Sub

Public Shared Function getImageCodecInfo(ByVal mimeType As String) As Imaging.ImageCodecInfo

Dim codecs() As Imaging.ImageCodecInfo = Imaging.ImageCodecInfo.GetImageEncoders

Dim codec As Imaging.ImageCodecInfo

For Each codec In codecs

If codec.MimeType = mimeType Then

Return codec

End If


End Function

Public Shared Function getThumbnailImageCallback() As Boolean

Return False

End Function

End Class



Dear Dan,

I seems to be bug and will be fixed as soon as possible.

Do you have an estimated timeframe for this fix?

It will take week or two further to be fixed.

It has been over 3 weeks since your last reply and we have customers that are waiting for this fix. Can you tell me if it will be done soon?



Dear Dan,

Sorry for delay.

I have prioritized this bug and it will be fixed in next release of Aspose.Slides, which will come either this weekend or next.

Thank you for your patience.

Almost another month later and this is still not fixed. I am somewhat perplexed as there have been several other hotfixes released and yet this has gone unchanged. This is not like you to be so unresponsive to bug reports.

Please let me know when I can expect to see this fixed for real.



Dear Dan,

Sorry for so much delay. Actually, the team has been working on this bug and could not find the reason of the problem.

Can you please tell us, how did you create this presentation, did you use Aspose.Slides to create this presentation or MS-PowerPoint?

It was created using MS PowerPoint.


This bug has been fixed, please get the latest Aspose.Slides from here.


Well that fixed the problem for the most part. I just came across one more example where the text is wrapping. Please review the attached file and let me know once the issue is fixed.

Dear Dan,

Thank you for reporting this bug. I will let you know as soon as it is fixed.

Please download the latest version of Aspose.Slides for .<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />NET.