How to detect overflowed text?

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2 total messages Started by Stanislav_Kurik Thu, 18 Sep 2008 09:56

#2351

Author: Stanislav_Kurik
Date: Thu, 18 Sep 2008 09:56

9 lines
909 bytes

Hello,

I'd like to programatically detect overflowed text (ie. text which is not visible in its entirety). In reference guide I found that it should work be obtaining FP_Overflowed property of FO_SubCol, but it doesn't work for me. Here's sample document:

 <http://twoflower.matfyz.cz/inc/overflow_text.fm>

How can I detect it properly?

Thank you.

Re: How to detect overflowed text?

#2359

Author: Scott_Prentice
Date: Thu, 18 Sep 2008 18:50

21 lines
1689 bytes

Hi Stanislav...

I've used the following code to detect an overflow ..

F_ObjHandleT pageId = F_ApiGetId(FV_SessionId, docId, FP_FirstBodyPageInDoc);
  while (pageId) {
    F_ObjHandleT pageFrameId = F_ApiGetId(docId, pageId, FP_PageFrame);
    F_ObjHandleT frameId = F_ApiGetId(docId, pageFrameId, FP_FirstGraphicInFrame);
    F_ObjHandleT subcolId = F_ApiGetId(docId, frameId, FP_LastSubCol);
    F_Printf(NULL, "pageFrameId %d; frameId %d; subcolId %d\n", pageFrameId, frameId, subcolId);
    if (F_ApiGetInt(docId, subcolId, FP_Overflowed) == True) {
      // do something
    }
    pageId = F_ApiGetId(docId, pageId, FP_PageNext);
  }

When I run this on your file, it appears that your small overflowed textframe has no subcols, thus no place to check for the FP_Overflowed property. I'm not sure exactly why there would be no subcols (an Esc,g,o shows that it has one column .. ??).

Good luck,

...scott

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