General Discussion - Rotate page

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Rotate page

Printed From: Debenu Quick PDF Library - PDF SDK Community Forum
Category: For Users of the Library
Forum Name: General Discussion
Forum Description: Discussion board for Debenu Quick PDF Library and Debenu PDF Viewer SDK
URL: http://www.quickpdf.org/forum/forum_posts.asp?TID=3265
Printed Date: 02 May 24 at 1:17AM
Software Version: Web Wiz Forums 11.01 - http://www.webwizforums.com

Topic: Rotate page

Posted By: lakkan
Subject: Rotate page
Date Posted: 15 Feb 16 at 1:36PM

Hi,

Using PDF Library..

I have problem while rotating selected page.

For first time, PDF page rotates for 90 deg, After that page is not getting rotated further by 90 deg.

Here is code:

QP.SetOrigin(1);

QP.SelectPage(1);

if(nRotateType == c_eventRotate90) //Clock wise

QP.RotatePage(90);

else if(nRotateType == c_eventRotate270) //Anti clockwise

QP.RotatePage(270);

if((nRotateType == c_eventRotate90) || (nRotateType == c_eventRotate270))

QP.SaveToFile(image_puForeign->acPathTemp); //It saves rotated page..

QP.RenderPageToDC(g_dpdfDPI, g_nCurrentPage,hdc);

Please let me know the solution

Narayana Reddy.L

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Replies:

Posted By: Ingo
Date Posted: 15 Feb 16 at 3:49PM

Hi Lakkan,

"rotate 90" don't rotate the page and save it rotated.
"rotate 90" means for the pdf reader that the document shall be displayed with a rotation of 90 degrees.
So if you insert a second "rotate 90" nothing more will happen.
If you want to add 90 degrees you have to add these 90 to the existing 90 -> "rotate 180".

Cheers, Ingo

-------------
Cheers,
Ingo

Posted By: BobW
Date Posted: 04 Mar 16 at 7:15PM

If you perform a NormalizePage 0 after the RotatePage, the results will be what you expect. NormalizePage has the effect of saving the new orientation of the page.