AirPrintPublic

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1 Printing on ios 4.2 Yutaka Yasuda, Kyoto Sangyo University

3 AirPrint iphone / ipad Safari ios HP eprint

4 ASCII.jp x MacPeople OS X AirPrint -- Apple Geeks OS X CUPS OS X AirPrint CUPS $ echo 'image/urf urf (0,UNIRAST<00>)' > airprint.types $ sudo cp airprint.types /usr/share/cups/mime/ Password: $ sudo killall cupsd

5 ios Reference Library Drawing and Printing Guide for ios ios Printing Printing UIPrint* UIKit

6 Drawing and Printing Guide for ios

7 UIKit NSData, NSURL, UIImage, ALAsset PDF (#1) print formatter print job Text HTML (#2) UIPrintPageRenderer print job (#3)

8 Printing Printing UIKit Printing API Printing Class Protocol

9 How Printing Works in ios UIKit PDF Print Center Figure 6-6 Printing architecture

10 UIPrintInteractionController UIPrintInteractionController

11 UIPrintInteractionController pic printinfo printingitem printingitems printformatter printpagerenderer printinfo outputtype duplex... text, image, PDF

12 pic printinfo printingitem - image PDF (#1) printingitem printingitems printformatter printpagerenderer printingitems - printingitem Array (#1 ) printformatter - UIPrintFormatter view text, HTML (#2) printpagerenderer - UIPrintPageRenderer (#3)

13 Print Formatters (#2) UIPrintFormatter UISimpleTextPrintFormatter - plain text font, color, align, UIMarkupTextPrintFormatter - HTML UIViewPrintFormatter UIView viewprintformatter, drawrect:forviewprintformatter viewprintformatter print formatter UIWebView, UITextView, MKMapView

14 Page Renderers (#3) Renderer UIPrintFormatter UPPrintInteractionControllerDelegate print option print job

15 UIPrintInfo orientation duplex outputtype UIPrintInfoOutputPhoto - A6 (or 4x6, depends on locale) UIPrintInfoOutputGeneral - A4 or US Letter (on locale too)

locale // NSString *localeidentifier = [[NSLocale currentlocale] localeidentifier]; NSString *localestring = [[NSLocale currentlocale] displaynameforkey:nslocaleidentifier value:localeidentifier];

16 locale // NSString *localeidentifier = [[NSLocale currentlocale] localeidentifier]; NSString *localestring = [[NSLocale currentlocale] displaynameforkey:nslocaleidentifier value:localeidentifier]; NSString *message = [NSString stringwithformat:@"id=%@ : %@", localeidentifier, localestring]; UIAlertView* alert = [[UIAlertView alloc]!!!!!! initwithtitle:@"language"!!!!!! message:message!!!!!! delegate:self!!!!!! cancelbuttontitle:@"ok"!!!!!! otherbuttontitles:nil]; [alert show]; [alert release];

17 Sample Code : PrintWebView #2 printformatter viewprintformatter webview header, footer webview PrintPhoto #3 UIPrintPageRenderer printformatter drawpageatindex: header, footer

18 TestPrint (#1) printingitem (#2) formatter A6 (#2) WebView load print (#3) renderer (#3) multi

20 AirPrint isprintingavailable - (void)viewdidload { if (![UIPrintInteractionController isprintingavailable]) [myprintbutton removefromsuperview]; // other tasks... } PrintWebView - (void)setuptoolbaritems

21 PrintInfo // UIPrintInteractionController *controller = [UIPrintInteractionController sharedprintcontroller]; // PrintInfo UIPrintInfo *printinfo = [UIPrintInfo printinfo]; UIImage *image = ((UIImageView *)self.view).image; printinfo.outputtype = UIPrintInfoOutputPhoto; printinfo.jobname from PrintPhoto"; printinfo.duplex = UIPrintInfoDuplexNone; if (!controller.printingitem && image.size.width > image.size.height) printinfo.orientation = UIPrintInfoOrientationLandscape;

22 completion-handler void (^completionhandler)(uiprintinteractioncontroller *, BOOL, NSError *) = ^(UIPrintInteractionController *pic, BOOL completed, NSError *error) { self.content = nil; if (!completed && error) NSLog(@"FAILED! due to error in domain %@ with error code %u", error.domain, error.code); };

23 ipad, iphone if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { [controller presentfrombarbuttonitem:self.printbutton animated:yes completionhandler:completionhandler]; } else { } [controller presentanimated:yes completionhandler:completionhandler];

24 Printer Options controller presentfrombarbuttonitem:completionhandler: presentfromrect:inview:animated:completionhandler: presentanimated:completionhandler:

25 Printer Options controller presentfrombarbuttonitem:completionhandler: Print presentfromrect:inview:animated:completionhandler: presentanimated:completionhandler: if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { [controller presentfrombarbuttonitem:self.printbutton animated:yes completionhandler:completionhandler]; } else { [controller presentanimated:yes completionhandler:completionhandler]; }

26 pic printingitem - image PDF (#1) printinfo printingitem printingitems printformatter printpagerenderer printingitems - printingitem Array (#1 ) printformatter - UIPrintFormatter view text, HTML (#2) printpagerenderer - UIPrintPageRenderer (#3)

27 printtestviewcontroller.h #import <UIKit/UIKit.h> (#123 printtestviewcontroller : UIViewController <UIPrintInteractionControllerDelegate> { } printtestviewcontroller.m -(IBAction)printContent:(id)sender {... } text or PDF)

28 printingitem (#1) -(IBAction)printContent:(id)sender {! NSData *mydata = [...]!UIPrintInteractionController *pic =... pic!! if( pic &&... ) {!!!! pic.delegate = self; delegate!!!! pic, printinfo!! pic.printingitem = mydata; pic!!!!!! [pic ];!}! }

29 before assigning objects, you should validate the objects // printinteractioncontroller UIPrintInteractionController *pic = [UIPrintInteractionController sharedprintcontroller]; // printingitem if(pic && [UIPrintInteractionController canprintdata: mydata] ) { pic.printingitem = mydata;... canprinturl: image UTI printableutis if ([[UIPrintInteractionController printableutis] containsobject:myimageuti]) pic.printingitem = myimage;

30 -(IBAction)printContent:(id)sender {! NSString *path = [[NSBundle mainbundle] pathforresource:@"sample" oftype:@"jpg"];! NSData *mydata = [NSData datawithcontentsoffile: path];!! UIPrintInteractionController *pic = [UIPrintInteractionController sharedprintcontroller]; pic!! if(pic && [UIPrintInteractionController canprintdata: mydata] ) {!!!! pic.delegate = self;!!!! UIPrintInfo *printinfo = [UIPrintInfo printinfo];!! printinfo.outputtype = UIPrintInfoOutputGeneral;!! printinfo.jobname = [path lastpathcomponent];!! printinfo.duplex = UIPrintInfoDuplexLongEdge;!! pic.printinfo = printinfo;!! pic.showspagerange = YES;!! pic.printingitem = mydata;!!!! void (^completionhandler)(uiprintinteractioncontroller *, BOOL, NSError *) =!! ^(UIPrintInteractionController *pic, BOOL completed, NSError *error) {!!! //self.content = nil;!!! if (!completed && error) {!!!! NSLog(@"FAILED! due to error in domain %@ with error code %u", error.domain, error.code);!!! }!! };!!!! [pic presentanimated:yes completionhandler:completionhandler];! }! } delegate printinfo pic UI printinfo job name (#1 )

31 NSData NSURL printingitem (#1) PDF (1) NSData (2) NSURL NSData NSString *path = [[NSBundle mainbundle] pathforresource:@"sample" oftype:@"jpg"]; NSData *mydata = [NSData datawithcontentsoffile: path]; if(pic && [UIPrintInteractionController canprintdata:mydata]) { pic.printingitem = mydata;... NSURL NSString *path = [[NSBundle mainbundle] pathforresource:@"sample" oftype:@"jpg"]; NSURL *myurl = [NSURL fileurlwithpath: path]; if(pic && [UIPrintInteractionController canprinturl:myurl]) { pic.printingitem = myurl;... NSURL *myurl = [NSURL URLWithString:@"file:///sample.jpg"];

32 step 3. step 1. step 2.

33 pic printinfo done printingitem - image PDF (#1) printingitem printingitems printformatter printpagerenderer printingitems - printingitem Array (#1 ) printformatter - UIPrintFormatter view text, HTML (#2) printpagerenderer - UIPrintPageRenderer (#3)

34 -(IBAction)printContent:(id)sender {! NSData *mydata = [...]!UIPrintInteractionController *pic =... pic!! if( pic &&... ) {!!!! pic.delegate = self; delegate!!!! pic, printinfo!! pic.printingitem = mydata; pic!!!!!! [pic ];!}! }

35 printformatter (#2) printingitem(s) - image PDF pic.printingitem = mydata; // printformatter - text, HTML View text UISimpleTextPrintFormatter *fmt =! [[UISimpleTextPrintFormatter alloc] initwithtext:@"hello!!"]; pic.printformatter = fmt; fmt font, color, linebreakmode, textalignment printingitem (#1) printingformatter (#2) pic printinfo pic printinfo printingitem printingitems printformatter printpagerenderer text, image, PDF printingitem printingitems printformatter printpagerenderer formatter text, HTML, view

36 (#2) Figure 6-8 The layout of a multi-page print job printformat inset maximumcontentwidth, Height points (72points / inch) fmt.contentinsets = UIEdgeInsetsMake(72.0, 72.0, 72.0, 72.0); fmt.maximumcontentwidth = 6 * 72.0;

UISimpleTextPrintFormatter text (#2) UISimpleTextPrintFormatter *textformatter = // formatter [[UISimpleTextPrintFormatter alloc] initwithtext:@... ]; textformatter.

37 UISimpleTextPrintFormatter text (#2) UISimpleTextPrintFormatter *textformatter = // formatter [[UISimpleTextPrintFormatter alloc] initwithtext:@... ]; textformatter.startpage = 0; NSString textformatter.contentinsets = UIEdgeInsetsMake(72.0, 72.0, 72.0, 72.0); // 1 textformatter.maximumcontentwidth = 6 * 72.0; pic.printformatter = textformatter; // formatter Printer Simulator Preview // // main.m // printtest // // Created by yasuda on 11/03/01. // Copyright 2011 MyCompanyName. All rights reserved. // #import <UIKit/UIKit.h> int main(int argc, char *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int retval = UIApplicationMain(argc, argv, nil, nil); [pool release];

text NSString *path = [[NSBundle mainbundle] pathforresource:@"sample" oftype:@"txt"]; NSError *error=nil; path NSString *text = [[NSString alloc] initwithcontentsoffile:path

38 text NSString *path = [[NSBundle mainbundle] pathforresource:@"sample" oftype:@"txt"]; NSError *error=nil; path NSString *text = [[NSString alloc] initwithcontentsoffile:path encoding:nsutf8stringencoding error:&error]; Alert if([[error domain]isequal:nscocoaerrordomain]) { UIAlertView* alert = [[UIAlertView alloc] initwithtitle:@"text file reading"!!!!!!!! message:[error localizeddescription] delegate:self cancelbuttontitle:@"ok" otherbuttontitles:nil];! [alert show];! [alert release];! return; }

39 CR LF // // main.m // printtest // // Created by yasuda on 11/03/01. // Copyright 2011 MyCompanyName. All rights reserved. // #import <UIKit/UIKit.h> int main(int argc, char *argv[]) { } NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int retval = UIApplicationMain(argc, argv, nil, nil); [pool release]; return retval;

40 linebreakmode linebreakmode textformatter.linebreakmode = UILineBreakModeWordWrap; UISimpleTextPrintFormatter : UIPrintFormatter { } - (id)initwithtext:(nsstring NSString UIFont UIColor UITextAlignment

[[UIMarkupTextPrintFormatter alloc] initwithtext:@ <HTML>.

41 UIMarkupTextPrintFormatter HTML (#2) UIMarkupTextPrintFormatter *htmlformatter = // formatter [[UIMarkupTextPrintFormatter alloc] initwithtext:@ <HTML>... ]; pic.printformatter = htmlformatter; // formatter NSString HTML UISimpleTextPrintFormatter

42 UIViewPrintFormatter webview (#2) UIViewPrintFormatter *viewformatter = // formatter [mywebview viewprintformatter]; pic.printformatter = viewformatter; // formatter webview UISimpleText, UIMarkUpTextPrintFormatter

43 (#2) UISimpleTextPrintFormatter : plain text UISimpleTextPrintFormatter *formatter = // formatter [[UISimpleTextPrintFormatter alloc] initwithtext:@ my name is... ]; pic.printformatter = formatter; // formatter NSString plain text UIMarkUpTextPrintFormatter : HTML UIMarkupTextPrintFormatter *formatter = // formatter [[UIMarkupTextPrintFormatter alloc] initwithtext:@ <HTML>... ]; pic.printformatter = formatter; // formatter NSString HTML UIViewPrintFormatter : View UIViewPrintFormatter *formatter = [mywebview viewprintformatter]; // formatter pic.printformatter = formatter; // formatter UIWebView UITextView, MKMapView

44 pic printinfo done printingitem - image PDF (#1) printingitem printingitems printformatter printpagerenderer printingitems - printingitem Array (#1 ) done printformatter - UIPrintFormatter view text, HTML (#2) printpagerenderer - UIPrintPageRenderer (#3)

45 printpagerenderer (#3) printingitem printingformatter (#1) (#2) pic printinfo pic printinfo printingitem printingitems printformatter printpagerenderer text, image, PDF printingitem printingitems printformatter printpagerenderer formatter text, HTML, view printpagerenderer pic printinfo printingitem printingitems printformatter printpagerenderer (#3) myrenderer drawpageatindex drawheaderforpageatindex drawcontentforpageatindex drawfooterforpageatindex propertyx, propertyy,... override

46 override (#3) drawpageatindex drawheaderforpageatindex, drawfooterforpageatindex drawcontentforpageatindex drawprintformatter drawpageatindex drawpageatindex: drawheaderforpageatindex: drawcontentforpageatindex: PrintPhoto override drawprintformatter:forpageatindex: drawfooterforpageatindex: PrintWebView override

47 PrintPhoto PrintPhotoPageRenderer.m PrintPhotoViewController.m PrintPhoto/Introduction/Intro.html PrintPhotoPageRenderer.h PrintPhotoPageRenderer : UIPrintPageRenderer { UIImage *imagetoprint; } - (void)drawpageatindex:(nsinteger)pageindex inrect:(cgrect)printablerect {... printablerect } destrect = CGRectMake(...); [self.imagetoprint drawinrect:destrect]; PrintPhotoPageRenderer *pagerenderer = [[PrintPhotoPageRenderer alloc] init]; pagerenderer.imagetoprint = ((UIImageView *)self.view).image; controller.printpagerenderer = pagerenderer; UIPrintInteractionController UIImage drawinrect renderer drawpageatindex: controller (#3)

48 (#3) Figure 6-8 The layout of a multi-page print job renderer inset maximumcontentwidth, Height points (72points / inch) pagerenderer.headerheight = 10;

49 (#3) SamplePrintViewController.m PrintGridPageRenderer *pagerenderer = [[PrintGridPageRenderer alloc] init];... pagerenderer.headerheight = 10.0; pagerenderer.footerheight = 15.0; SamplePrintPageRenderer.m -(void)drawheaderforpageatindex:(nsinteger)index inrect:(cgrect)headerrect drawfooterforpageatindex: -(void)drawcontentforpageatindex:(nsinteger)index inrect:(cgrect)contentrect

50 UIFont *font = [UIFont fontwithname:@"helvetica" size:10]; CGSize titlesize = [@"Sample Header String." sizewithfont:font]; pagerenderer.headerheight = titlesize.height * 1.5; UIFont *font = [UIFont fontwithname:@"helvetica" size:10]; [@"Sample Header String." drawatpoint:startpoint withfont:font]; -(void)drawheaderforpageatindex:(nsinteger)index inrect:(cgrect)headerrect UIFont *font = [UIFont fontwithname:@"helvetica" size:10]; CGFloat startx = headerrect.origin.x + 10; CGSize stringsize = [headerstring sizewithfont:font]; CGFloat starty = headerrect.origin.y + ( headerrect.size.height - stringsize.height ) / 2 ; CGPoint startpoint = CGPointMake(startX, starty); [headerstring drawatpoint:startpoint withfont:font];

51 printformatter printpagerenderer printformatter UIPrintFormatter Class Reference Third-party subclasses of UIPrintFormatter are not recommended. If you have custom content to print, use a custom UIPrintPageRenderer object. printformatter PrintWebView

53 PrinterSimulator.app /Platforms/iPhoneOS.platform/Developer/Applications/PrinterSimulator.app

54 Print Simulator Printer Options Select Printer >

55 Printer Simulator Save Original to Simulator

56 Print Preview

58 Show in Finder /private/var/folders/12/12p8rcisfu8d1efifmdirk+++ti/-tmp-/printersimulator.ykiwkw

60 [01/Mar/2011:17:52: ] Listening for connections on : [01/Mar/2011:17:52: ] Listening for connections on [::1]: [01/Mar/2011:17:53: ] Accepted connection from fe80::219:e3ff:fef9:9692%en0:57733 (IPv6) [01/Mar/2011:17:53: ] "POST /printers/save HTTP/1.1" Get-Printer-Attributes successful-ok [01/Mar/2011:17:53: ] Closing connection from fe80::219:e3ff:fef9:9692%en0:57733 (IPv6) [01/Mar/2011:17:53: ] Accepted connection from fe80::219:e3ff:fef9:9692%en0:57734 (IPv6) [01/Mar/2011:17:53: ] "POST /printers/save HTTP/1.1" Validate-Job successful-ok [01/Mar/2011:17:53: ] save : job-created - Job created [01/Mar/2011:17:53: ] Save Original to Simulator: Accepted "sample.jpg" for printing (job # , image/jpeg, 1 pages) [01/Mar/2011:17:53: ] save : job-state-changed - Job pending [01/Mar/2011:17:53: ] Save Original to Simulator: Printing "sample.jpg" (job # ) [01/Mar/2011:17:53: ] Viewing "/var/folders/12/12p6rcisfu8p1efifmdirk+++ti/-tmp-/ PrinterSimulator.YKiwkW/ jpg" [01/Mar/2011:17:53: ] Accepted connection from fe80::219:e3ff:fef9:9692%en0:57735 (IPv6) [01/Mar/2011:17:53: ] "POST /printers/save HTTP/1.1" Get-Printer-Attributes successful-ok [01/Mar/2011:17:53: ] Closing connection from fe80::219:e3ff:fef9:9692%en0:57735 (IPv6) [01/Mar/2011:17:53: ] "POST /printers/save HTTP/1.1" successful-ok [01/Mar/2011:17:53: ] save : job-state-changed - Job printing [01/Mar/2011:17:53: ] Save Original to Simulator: Connecting to printer [01/Mar/2011:17:53: ] save : job-completed - Job completed [01/Mar/2011:17:53: ] "POST /printers/save HTTP/1.1" Get-Job-Attributes successful-ok [01/Mar/2011:17:53: ] Closing connection from fe80::219:e3ff:fef9:9692%en0:57734 (IPv6)

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