This is an issue reported to Microsoft Connect.  
From [SSRS 2008 How to get the best image quality possible?](https://connect.microsoft.com/SQLServer/feedback/details/493441/):

> The image behavior you see in PDF is a result of some image conversions that the PDF renderer does, based on how the PDF specification requires that serialize images into PDF.
>
>We know it's not ideal, and we classify the loss of image quality as a product issue. Therefore, it's difficult to really say what to do to get the best quality image. 
>
>**Anecdotally, I have heard that customers have good results when the original image is a BMP**

I have a report that renders images (jpg) that have been collected from various sources.  This works fine within the report viewer, and when exporting via Excel.  

However, when exporting to PDF, about 5% of the images are rendered incorrectly as can be seen below, with the original on the left, and what is rendered on the right;

![enter image description here][2] ![rendered image image][1]

**I find that if I open up one of these images in mspaint, and just click save, on the next report-run the image is now rendered correctly.**

Are there any rules as to what image properties/format are valid for SSRS to render the image correctly within a PDF?  Essentially I'd like to somehow find these images that will render incorrectly before the report is run and fix them prior...

  [1]: http://i.stack.imgur.com/jjNnU.png
  [2]: http://i.stack.imgur.com/hij8l.png

SSRS can't properly render *some* images within PDF

The simplest way to check for a form would be to see if the `PdfReader`'s `AcroForm` field is null:

    Dim HasForm = reader.AcroForm IsNot Nothing

**EDIT**

I don't have Adobe Reader laying around but I think that message is generated when usage rights aren't enabled on a form. You should be able to use:

    Dim CanUserSave = reader.HasUsageRights()

I'm trying to collect some metadata about pdf files on our server.  I'd like to know whether or not they are a form, and if so, if they can be saved or must be printed.  Does something like iTextSharp expose that kind of information?

Here's a code sample where I can 



    Private Sub GetPDFInfo(ByVal path As String)
        If File.Exists(path) Then
            Dim reader As New PdfReader(path)
            'sample metadata exposed
            Dim numberOfPages = reader.NumberOfPages

            'what to call to get form info?

        End If
    End Sub

**UPDATE**

Here's what I mean by being able to save or not:
![demo1](http://i.imgur.com/LecozqA.png)
![demo2](http://i.imgur.com/CFfBC9w.png)
I'm not sure where this information lives, but each form has some kind of indication of whether or not the form data can be saved locally.

Programmatically check if pdf is a Form with iTextSharp

It looks like `window.open` will take a Data URI as the location parameter.

So you can open it like this from the question: [Opening PDF String in new window with javascript][Open PDF]:



    window.open("data:application/pdf;base64, " + base64EncodedPDF);

Here's an [runnable][0] [example in plunker][1], and [sample pdf file][2] that's already base64 encoded.


Then on the server, you can convert the byte array to base64 encoding like this:



    string fileName = @"C:\TEMP\TEST.pdf";
    byte[] pdfByteArray = System.IO.File.ReadAllBytes(fileName);
    string base64EncodedPDF = System.Convert.ToBase64String(pdfByteArray);

**NOTE**: This seems difficult to implement in IE because the URL length is prohibitively small for sending an entire PDF.


[Open PDF]: https://stackoverflow.com/q/2805330/1366033

[0]: https://run.plnkr.co/plunks/tv3Cma/
[1]: https://plnkr.co/edit/tv3Cma/
[2]: https://run.plnkr.co/plunks/tv3Cma/global-vars.js

Based on the question [Open PDF in new browser full window][PDF JavaScript], it looks like I can use JavaScript to open a new window with a PDF file with the following code:



    window.open('MyPDF.pdf', '_blank');

I'd like to do so on a return trip from the server by adding a byte array instead of the file name to use as the URL location in [`window.open`][window.open]

I'm currently returning PDF files like [this][PDF Response]:



    Response.Clear();
    Response.ContentType = "application/pdf";
    Response.BinaryWrite(pdfByteArray);
    Response.Flush();

Is there a way to open a new window with a PDF byte array in javascript.  

Something like this:



    var script = "window.open('" + pdfByteArray + "', '_blank');";
    ScriptManager.RegisterClientScriptBlock(Parent.Page, typeof(Page), "pdf", script, true);

[PDF JavaScript]: https://stackoverflow.com/q/20401006/1366033
[window.open]: https://developer.mozilla.org/en-US/docs/Web/API/Window.open
[PDF Response]: https://stackoverflow.com/a/2057883/1366033