Add a button on top side corner of the pdf page. - RadaeePDF.com
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13 Jul 2017
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TOPIC: Add a button on top side corner of the pdf page.

Add a button on top side corner of the pdf page. 1 year 9 months ago #11842

  • Rajat Singla
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Hii.

Can we add a button on the top side corner of the pdfPage.
if yes, then how?

Thanks.

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Add a button on top side corner of the pdf page. 1 year 9 months ago #11844

  • emanuele
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Hi,

you can consider the pdf page like a normal view and add objects with standard development methods.

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Add a button on top side corner of the pdf page. 1 year 9 months ago #11845

  • Rajat Singla
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Hii, thanks for the reply.

I tried that, but when i need to add button where the page starts.

Please look at the attachment below.

I need to add the button at position 2.
But using above approach, button is set at posiiton 1.
Attachments:

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Last edit: by Rajat Singla.

Add a button on top side corner of the pdf page. 1 year 9 months ago #11848

  • emanuele
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Hi,

to get the correct position you should calculate it with something like:
//Get the vPage 
PDFVPage *vvpage = [m_view vGetPage:m_cur_page];
    //Get the page position
    int x = [vvpage GetVX:[m_view vGetX]];
    int y = [vvpage GetVY:[m_view vGetY]];
    //Get the correct position using scale
    float logicx = x/m_scale;
    float logicy = y/m_scale;
    //Use contentOffset to get the view position on the scrollView
    CGRect exampleRect = CGRectMake(logicx + self.contentOffset.x, logicy + self.contentOffset.y, 50, 50);

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Add a button on top side corner of the pdf page. 1 year 9 months ago #11849

  • Rajat Singla
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Thanks, that was some good advise.

But i need a solution where we can add button on PDFVPage itself, not on the view it is contained in.

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Add a button on top side corner of the pdf page. 1 year 9 months ago #11865

  • emanuele
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Hi,
PDFVPage is a NSObject and not contains a view, but draw the page content on a canvas using CG methods.
If you want to add objects on a page, you should use annotations or add subviews on the scrollview with the sample code of the previous post.

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