TOPIC:

Single Page Display with Horizontal Paging? 6 years 5 months ago #13078

smccoole
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Hi,
I'm trying out RadaeePdf as a way to do large PDF display in a React Native app. I've managed to get iOS and Android going but I am having issues with Windows UWP. The idea is that this application would run on Surface Pro tablets. I'm trying to set up a single page display that will page Horizontally like view mode 3 on Android. I've looked around and there doesn't seem to be an example or documentation that gives me enough information to do this. Is it possible? If so, How would I go about it?
Thanks!

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Single Page Display with Horizontal Paging? 6 years 5 months ago #13079

nermeen Offline Platinum Member Posts: 962 Thank you received: 87	You need to set PDFView.viewMode = 2; and in PDFReaderPage when creating new PDFViewDual(mPDFView) you should do the following: m_view = new PDFViewDual(mPDFView); Boolean[] paras = new Boolean[m_doc.PageCount]; int cur = 0; while (cur < paras.Length) { paras[cur] = false; cur++; } ((PDFViewDual)m_view).vSetLayoutPara(null, paras,false); The following user(s) said Thank You: smccoole
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Single Page Display with Horizontal Paging? 6 years 5 months ago #13082

smccoole Topic Author Offline New Member Posts: 4 Thank you received: 0	Thanks nermeen. The single page is displaying in the center of the screen using the code that you provided. It still smooth scrolls thought. Is there an equivalent to g_paging_enabled under iOS?
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Single Page Display with Horizontal Paging? 6 years 5 months ago #13090

nermeen
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Thank you received: 87

No, because of a limit in the ScrollViewer of Windows.
You can disable m_scroller.IsScrollInertiaEnabled in PDFView.PDFView(Canvas parent), it will limit the continuous scroll.

You can also do the following as a workaround (but it does not have a smooth effect), in vOnTouchUp add:

PDFPos pos = vGetPos(m_w/2, m_h/2);
vGotoPage(pos.pageno);

private void vOnTouchUp(object sender, PointerRoutedEventArgs e)
            {
                ....
                if (m_touched)
                {
                    .....
                }
                if (m_pressed)
                {
                    m_pressed = false;
                    PDFPos pos = vGetPos(m_w/2, m_h/2);
                    vGotoPage(pos.pageno);
                }
            }

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Single Page Display with Horizontal Paging? 6 years 5 months ago #13096

smccoole Topic Author Offline New Member Posts: 4 Thank you received: 0	Hmm, ok. I was hoping that there might be something that could be done with HorizontalSnapPointsType but I think to do that the top level container in the ScrollViewer has to implement IScrollSnapPointsInfo which I don't think it does. I'm still getting into Windows development so I wasn't sure if it was something that could be done or not. Thanks!
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Single Page Display with Horizontal Paging?