http://www.quickpdf.org/forum/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sat, 04 Apr 2026 23:10:23 +0000 Mon, 08 Jun 2009 06:35:38 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 11.01 360 www.quickpdf.org/forum/RSS_post_feed.asp?TID=1103 http://www.quickpdf.org/forum/forum_images/QPDF_Forum_Title.png http://www.quickpdf.org/forum/ http://www.quickpdf.org/forum/scaling_topic1103_post5141.html#5141 Author: Ingo
Subject: 1103
Posted: 08 Jun 09 at 6:35AM

Hi!

I don't use height and width while rendering ...
What you can do is to render to file - then you have an image file and then you can use ImageHeight and ImageWidth.
Mostly i'm using code like this:
QP.RenderDocumentToFile(150,1,1,1,'c:\temp\' + ExtractFileName(Edit1.Text) + '.jpg',1,0);
QP.RenderPageToStream(150,1,1,test_stream,1,0);

You can put these render results on a resizable image component which is embedded in a nonresizable box with scrollbars.
 
Cheers, Ingo
]]> Mon, 08 Jun 2009 06:35:38 +0000 http://www.quickpdf.org/forum/scaling_topic1103_post5141.html#5141 http://www.quickpdf.org/forum/scaling_topic1103_post5138.html#5138 Author: artjaggy
Subject: 1103
Posted: 08 Jun 09 at 4:24AM

Hi guys,

I am trying to display existing pdf file onto canvas.
Wen I display pdf at 72 dpi, everyting is ok, because when I retrieve
page height and width using DAGetPageHeight, DAGetPageWidth
I set cavas size accordingly. The problem comes in when I try to zoom,
and by zoom, I mean rendering pdf file onto a canvas with dpi higher then 72.

How would I now size of a page in pixels (eight and width) when I display a page in resolution
that is not 72 dpi?

Thnx in advance.
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