Oh sorry, I should have read before posting the question again, I see somebody its talking abour PDFSelection, and I say an example in the developer site.
So for the selection I will check that. Now I have only the question about the loupe.... :S thanks for any help G. On 26.5.2010, at 14:25, Gustavo Pizano wrote: > Hello all. > > Another question still regarding with pdf's. > > when I load a pdf into a web view, I can tap for a while and the > magnification loop will appear, this doesn't happens when using Quartz.. > I was reading some post on internet, and the authors create their own > magnification view. Is there any other way? or I will have to do this by > hand?, > > Also what can you tell me about allowing selection in the pdf? I hadn't > figure that out... :( > > Thanks for the help > > Gustavo > > > On 19.5.2010, at 15:08, Gustavo Pizano wrote: > >> Rafael hi >> >> Thanks for the info,, I will be testing the behavior with some pdfs and see >> whats better, to keep the CGPDFDocumentRef and destroy it when closing the >> pdf.. or open-close each time I change.. I guess I must decided what I want >> speed vs memory usage. >> >> .... >> >> G, >> >> On 19.5.2010, at 15:02, Rafael Cerioli wrote: >> >>> Hi Gustavo, >>> >>> When you draw a CGPDFPageRef into a graphic context, Quartz will hold >>> images inside the PDF page in a sort of cache (at least, it seems with >>> Instrument Object Alloc). You can only empty that cache by destroying the >>> CGPDFDocumentRef. >>> >>> However, if you do not destroy your CGPDFDocumentRef between two >>> consecutive renderings, you will gain speed. >>> I suggest that you test what best fits you. It depends on the rendering >>> speed you need, and the size of the images in your PDF. >>> And don't forget to use instruments. >>> >>> >>> Le 19 mai 2010 à 07:32, Gustavo Pizano a écrit : >>> >>>> Laurent hi. >>>> About your warning. >>>> >>>> SO If I have a pdf of many many pages, I shall just open de >>>> CGPDFDocument, then get the required page using CGPDFDocumetnGetPage(), >>>> dra the page then release the CGPDDocument?.. and when swapping pages just >>>> release the current page, open document again get next page and render?... >>>> I don't like this opening and closing CGPDFDocument... but shall it be >>>> like this? that only I actually load into memory the page Im drawing using >>>> the CGContextDrawPDFPage? >>>> >>>> G. >>>> >>>> >>>> On 19.5.2010, at 12:11, Laurent Cerveau wrote: >>>> >>>>> Gustavo >>>>> >>>>> You can use the CGPDF API. However be careful on memory usage (in >>>>> particular keeping the CGPDFDocument open all the time could lead to some >>>>> memory issues that could be workarounded by closing and reopening it) >>>>> >>>>> Regards >>>>> >>>>> laurent >>>>> >>>>> >>>>> On Wednesday, May 19, 2010, at 12:07PM, "Gustavo Pizano" >>>>> <gustavxcodepic...@gmail.com> wrote: >>>>>> Hello all. >>>>>> >>>>>> I would want to know if I can render pdf into iPad using quartz, or I >>>>>> have to use UIWebView... or whats the way to achieve this? >>>>>> >>>>>> >>>>>> Any headlights are appreciate it. >>>>>> >>>>>> thanks >>>>>> >>>>>> Gustavo >>>>>> >>>>>> _______________________________________________ >>>>>> >>>>>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >>>>>> >>>>>> Please do not post admin requests or moderator comments to the list. >>>>>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >>>>>> >>>>>> Help/Unsubscribe/Update your Subscription: >>>>>> http://lists.apple.com/mailman/options/cocoa-dev/lcerveau%40me.com >>>>>> >>>>>> This email sent to lcerv...@me.com >>>>>> >>>>>> >>>> >>>> _______________________________________________ >>>> >>>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >>>> >>>> Please do not post admin requests or moderator comments to the list. >>>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >>>> >>>> Help/Unsubscribe/Update your Subscription: >>>> http://lists.apple.com/mailman/options/cocoa-dev/rafael.cerioli%40gmail.com >>>> >>>> This email sent to rafael.ceri...@gmail.com >>> >> > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
