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I want to show pdf from certain page to certain page not whole pdf. 4 years 11 months ago #14373

apdeveloper Topic Author Offline Senior Member Posts: 67 Thank you received: 0	Dear Team, Currently i am working on a project where i have downloaded a pdf of 50 pages and now i want to show pdf suppose from 5 page no. to 10 page no. only. Is it possible show pdf like this i dont want to show the whole 50 pages of that pdf.
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I want to show pdf from certain page to certain page not whole pdf. 4 years 11 months ago #14375

federico Offline Moderator Posts: 261 Thank you received: 18	Dear apdeveloper, Which kind of programming language are you interested in for this feature?
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I want to show pdf from certain page to certain page not whole pdf. 4 years 11 months ago #14377

apdeveloper Topic Author Offline Senior Member Posts: 67 Thank you received: 0	In iOS Swift version or objc i want this funcatinality
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I want to show pdf from certain page to certain page not whole pdf. 4 years 11 months ago #14378

radaee
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Moderator
Posts: 1123
Thank you received: 73

it can create a new class derive from PDFDoc class.
you need to override methods:

-(int)pageCount;
-(PDFPage *)page:(int) pageno;
-(float)pageWidth:(int) pageno;
-(float)pageHeight:(int) pageno;
-(NSString *)pageLabel:(int)pageno;
-(bool)newRootOutline: (NSString *)label :(int) pageno :(float) top;
-(PDFPage *)newPage:(int) pageno :(float) w :(float) h;
-(bool)movePage:(int)pageno1 :(int)pageno2;

rhe second solution shall be:
create a new PDF file and import pages you needed.

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Last edit: by radaee.

I want to show pdf from certain page to certain page not whole pdf. 4 years 11 months ago #14379

apdeveloper Topic Author Offline Senior Member Posts: 67 Thank you received: 0	How can i create new pdf and import pages which i need from old pdf using Radaeepdf.
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I want to show pdf from certain page to certain page not whole pdf. 4 years 11 months ago #14383

radaee
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Moderator
Posts: 1123
Thank you received: 73

you must have premium license, and create PDF file in sandbox, which has write access right.
and then objc codes like:

PDFDoc *doc_src;
PDFDoc *doc_dst;
doc_src = [[PDFDoc alloc] init];
doc_dst = [[PDFDoc alloc] init];
[doc_src open:@"source path to extists pdf file"];
[doc_dst open:@"dest path to creating pdf file"];
PDFImportCtx *ctx = [doc_src newImportCtx];
int pgno = page_range_start;
int pgend = page_range_end;
int pgdst = 0;
wile(pgno < pgend)
{
  [ctx import :pgno :pgdst];
  pgno++;
  pgdst++;
}
[doc_dst save];
ctx = nil;
doc_src = nil;
doc_dst = nil;

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Last edit: by radaee.

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I want to show pdf from certain page to certain page not whole pdf.