PDF SDK creates inferior images

We are trying to upgrade an application to use the Acrobat API's to display PDF files within our application (instead of the ActiveX components, which seem to have become unreliable with 8.0).
But the PDF files don't look nearly as good. The anti-aliasing is dramatically inferior to viewing the page in Acrobat, Acrobat Reader, or even within a web browser (which, I believe, uses the ActiveX component.)
How do we fix the anti-aliasing when using the Acrobat API?
Thanks for the help,
-Vilis

Thanks Leonard, this is very helpful!
The ActiveX control we are loading is:
static CLSID const clsid = { 0xCA8A9780, 0x280D, 0x11CF, { 0xA2, 0x4D, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0 } };
We are basically using the code from here: http://www.codeproject.com/KB/miscctrl/acroview.aspx
As for why it sometimes doesn't display images properly, I think it has something to do with other instances of the control being open in other windows, or in other instances of our application, but we have not identified a consistent thread to the problem. The other problem we have is that we need to scale the image to a particular size, which, in the ActiveX model, we do by capturing the displayed image from the screen (lame), identifying key markers and scaling the image to the appropriate size.
In the OLE version, we are using the StaticView api. I just built the ActiveView sample, and looked at the images created by that, and it *IS* displaying a superior image quality! Frankly, I didn't know there would be a difference, and when I look in the documentation, I can't find where it explains why there is a difference in render quality between the Active and Static views?
Also - here is the other problem I forsee. It appears we can get the higher image quality by using the ActiveView API, but I don't see how to capture the image. So this would put us back to the original ActiveX method of displaying the image, capturing the screen, looking for markers and rescaling the image, which is cheesy at best. It does look like it would resolve the reliability issue, however.
What are the ActiveView and ActiveX components doing differently to display the images at a higher quality?
-Vilis

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Hello Again.
On Fri, May 11, 2012 at 12:20 PM, lrosenth <[email protected]> wrote:
>
> Re: How to create a pdf file from multiple images ?
>
> created by lrosenth in PDF Language and Specifications - View the full
> discussion
> ________________________________
>
> No clue who Irving is…
>
I was hoping to have your first name so its easy for me to address you.
> I have no clue what OS platform, programming language, etc. you use so
> can’t really narrow things down.
I would gladly mention that I am working on windows platform, preferably XP.
I can also work on linux for free products that come with it.
> Also, as this is an Adobe forum, we only
> recommend Adobe products – so there may be other options that even my list
> wouldn’t include.
But adding other products, for the help of an adobe products user,
even if it outside adobe, shall add greater prestige to your company
and give impression of user-centeredness.
> If you read ISO 32000-1:2008 (aka the PDF standard), you will find the
> information about Images and Image Masks well described. I didn’t think I
> needed to repeat any of that information.
Well, just add the few pdf stanzas since you are proficient on it and
I am presently a little rusty as I mentioned. Just asking a little
extra yard, not even to go an extra mile.
> And, if you read that same document, you will see that there is NO SUCH
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Well, ascii format or uncompressed format that is human readable. I
know its a binary file, but human readable ascii version of it.
I hope you can give me some stanza and various other approaches
possible so I can select or combine things for myself. I see only a
miniscule number of posts claiming to have written masks in this forum
and then with no details.
Regards
Roger
Message was edited by: dying veteran
because the adobe posting system went crazy and truncated all except the first line ... dunno why

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skipmc wrote:
Help me Obiwan Adobe!
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