Version 1.2.1

Classes/PDFViewTiled.h

@@ -28,6 +28,7 @@
 	CGPDFPageRef _PDFPageRef;
 }
 
+@property (nonatomic, retain, readonly) NSURL *fileURL;
 @property (nonatomic, assign, readonly) NSInteger pageCount;
 @property (nonatomic, assign, readonly) NSInteger currentPage;
 

Classes/PDFViewTiled.m

@@ -20,6 +20,7 @@ @implementation PDFViewTiled
 
 #pragma mark Properties
 
+@synthesize fileURL = _fileURL;
 @synthesize pageCount = _pageCount;
 @synthesize currentPage = _currentPage;
 
@@ -323,8 +324,8 @@ - (void)drawLayer:(CATiledLayer *)layer inContext:(CGContextRef)context
 
 			y_offset = (boundsHeight - y_offset); // Co-ordinate system adjust
 
-			CGFloat x_translate = (x_offset - effectiveRect.origin.x);
-			CGFloat y_translate = (y_offset + effectiveRect.origin.y);
+			CGFloat x_translate = (x_offset - (effectiveRect.origin.x * scale));
+			CGFloat y_translate = (y_offset + (effectiveRect.origin.y * scale));
 
 			CGContextTranslateCTM(context, x_translate, y_translate);
 

Classes/ReaderViewController.h

@@ -30,6 +30,8 @@
 
 	UIScrollView *theScrollView;
 	PDFViewTiled *thePDFView;
+
+	UIPrintInteractionController *printInteraction;
 }
 
 @property (nonatomic, retain, readwrite) NSURL *openURL;

Classes/ReaderViewController.m

@@ -127,30 +127,41 @@ - (void)viewDidLoad
 
 	thePDFView = [[PDFViewTiled alloc] initWithURL:fileURL page:page password:nil frame:theScrollView.bounds];
 
-	[theScrollView addSubview:thePDFView];
+	[theScrollView addSubview:thePDFView]; // Add the PDF view to the scroll view
 
 	theToolbar = [UIToolbar new]; // Create the application toolbar
 
 	theToolbar.autoresizingMask = UIViewAutoresizingFlexibleWidth;
 	theToolbar.barStyle = UIBarStyleBlack; theToolbar.translucent = YES;
 
+	NSMutableArray *buttonArray = [NSMutableArray new]; // Toolbar button item array
+
 	UIButton *infoButton = [UIButton buttonWithType:UIButtonTypeInfoLight]; [infoButton sizeToFit];
 
 	[infoButton addTarget:self action:@selector(infoButtonTapped:) forControlEvents:UIControlEventTouchUpInside];
 
 	UIBarButtonItem *barInfoButton = [[UIBarButtonItem alloc] initWithCustomView:infoButton]; // Use the UIButton view
 
-	UIBarButtonItem *flexiSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:NULL];
+	[buttonArray addObject:barInfoButton]; [barInfoButton release]; // Add the info button to the button item array
+
+	Class printInteractionController = NSClassFromString(@"UIPrintInteractionController"); // Only in iOS 4.2 and up
+
+	if ((printInteractionController != nil) && [printInteractionController isPrintingAvailable]) // Check for printing support
+	{
+		UIBarButtonItem *flexiSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:NULL];
+
+		UIBarButtonItem *printButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"Icon-Print.png"] style:UIBarButtonItemStylePlain target:self action:@selector(printButtonTapped:)];
 
-	theToolbar.items = [NSArray arrayWithObjects:flexiSpace, barInfoButton, nil];
+		[buttonArray addObject:flexiSpace]; [buttonArray addObject:printButton]; [flexiSpace release]; [printButton release]; // Add print button
+	}
 
-	[barInfoButton release]; [flexiSpace release]; // Cleanup
+	theToolbar.items = buttonArray; [buttonArray release];
 
 	[self.view addSubview:theToolbar]; [theToolbar sizeToFit];
 
 	frame = theToolbar.bounds;
 	frame.origin.y += 4.0f; frame.size.height -= 8.0f;
-	frame.origin.x += 8.0f; frame.size.width -= 48.0f;
+	frame.origin.x += 48.0f; frame.size.width -= 96.0f;
 
 	theLabel = [[UILabel alloc] initWithFrame:frame];
 
@@ -282,6 +293,11 @@ - (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrie
 //	NSLog(@"ReaderViewController.m -willRotateToInterfaceOrientation: [%d]", toInterfaceOrientation);
 //	NSLog(@" -> self.view.bounds = %@", NSStringFromCGRect(self.view.bounds));
 #endif
+
+	if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) // iPad only
+	{
+		if (printInteraction != nil) [printInteraction dismissAnimated:NO];
+	}
 }
 
 - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration
@@ -487,6 +503,50 @@ - (void)infoButtonTapped:(UIBarButtonItem *)item
 	[theAlert show]; [theAlert release];
 }
 
+- (void)printButtonTapped:(UIBarButtonItem *)item
+{
+	Class printInteractionController = NSClassFromString(@"UIPrintInteractionController");
+
+	if ((printInteractionController != nil) && [printInteractionController isPrintingAvailable])
+	{
+		NSURL *fileURL = thePDFView.fileURL; // Document file URL
+
+		printInteraction = [printInteractionController sharedPrintController];
+
+		if ([printInteractionController canPrintURL:fileURL] == YES) // Check
+		{
+			if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) // iPad only
+			{
+				[toolbarFader stopFadeOutTimer]; // Stop toolbar fade timer
+			}
+
+			UIPrintInfo *printInfo = [NSClassFromString(@"UIPrintInfo") printInfo];
+
+			printInfo.duplex = UIPrintInfoDuplexLongEdge;
+			printInfo.outputType = UIPrintInfoOutputGeneral;
+			printInfo.jobName = [fileURL lastPathComponent];
+
+			printInteraction.printInfo = printInfo;
+			printInteraction.printingItem = fileURL;
+			printInteraction.showsPageRange = YES;
+
+			[printInteraction presentFromBarButtonItem:item animated:YES completionHandler:
+				^(UIPrintInteractionController *pic, BOOL completed, NSError *error)
+				{
+					#ifdef DEBUG
+						if ((completed == NO) && (error != nil)) NSLog(@"%s %@", __FUNCTION__, error);
+					#endif
+
+					if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) // iPad only
+					{
+						[toolbarFader startFadeOutTimer]; // Start toolbar fade timer
+					}
+				}
+			];
+		}
+	}
+}
+
 #pragma mark UISlider action methods
 
 - (void)sliderTouchDown:(UISlider *)slider

README

@@ -148,7 +148,7 @@ Properties
 
 currentPage
 
-The PDF view object’s current page number value (read-only).
+The PDF view object's current page number value (read-only).
 
 @property (nonatomic, assign, readonly) NSInteger currentPage
 
@@ -157,7 +157,7 @@ change method calls. Contains 0 if -initWithURL: failed.
 
 pageCount
 
-The PDF view object’s number of pages in PDF value (read-only).
+The PDF view object's number of pages in PDF value (read-only).
 
 @property (nonatomic, assign, readonly) NSInteger pageCount
 
@@ -181,6 +181,10 @@ HISTORY
 							and UIScrollView contentSize updates to fix device
 							rotation handling once and for all.
 
+2011-05-22: Version 1.2.0 - Added printing support (iOS 4.2 and newer only).
+
+2011-06-06: Version 1.2.1 - Bug fix in -drawLayer:inContext: in PDFViewTiled.m
+
 CONTACT INFO
 
 Questions, feedback and iOS development work welcome:

Reader-Info.plist

@@ -25,7 +25,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1.1.0</string>
+	<string>1.2.1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIPrerenderedIcon</key>

Reader.xcodeproj/project.pbxproj

@@ -19,6 +19,8 @@
 		450A674111D286CB00014BF5 /* ReaderViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 450A674011D286CB00014BF5 /* ReaderViewController.m */; };
 		4534A869125F658F001F3415 /* LICENSE in Resources */ = {isa = PBXBuildFile; fileRef = 4534A868125F658F001F3415 /* LICENSE */; };
 		4541A9D8122EA716001A5E60 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 4541A9D7122EA716001A5E60 /* Localizable.strings */; };
+		45832D261389823800D72031 /* Icon-Print.png in Resources */ = {isa = PBXBuildFile; fileRef = 45832D241389823800D72031 /* Icon-Print.png */; };
+		45832D271389823800D72031 /* Icon-Print@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 45832D251389823800D72031 /* Icon-Print@2x.png */; };
 		45A4AD5312395BE6005D5625 /* Document.pdf in Resources */ = {isa = PBXBuildFile; fileRef = 45A4AD5212395BE6005D5625 /* Document.pdf */; };
 		45B550DB12326A5500DAE92E /* CGPDFDocument.m in Sources */ = {isa = PBXBuildFile; fileRef = 45B550DA12326A5500DAE92E /* CGPDFDocument.m */; };
 		45BF2DEA12329FA500544AC1 /* AppIcon-PDF.png in Resources */ = {isa = PBXBuildFile; fileRef = 45BF2DE912329FA500544AC1 /* AppIcon-PDF.png */; };
@@ -45,6 +47,8 @@
 		450A674011D286CB00014BF5 /* ReaderViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ReaderViewController.m; sourceTree = "<group>"; };
 		4534A868125F658F001F3415 /* LICENSE */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = LICENSE; sourceTree = "<group>"; };
 		4541A9D5122EA686001A5E60 /* en */ = {isa = PBXFileReference; fileEncoding = 10; lastKnownFileType = text.plist.strings; name = en; path = Resources/en.lproj/Localizable.strings; sourceTree = "<group>"; };
+		45832D241389823800D72031 /* Icon-Print.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = "Icon-Print.png"; path = "Graphics/Icon-Print.png"; sourceTree = "<group>"; };
+		45832D251389823800D72031 /* Icon-Print@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = "Icon-Print@2x.png"; path = "Graphics/Icon-Print@2x.png"; sourceTree = "<group>"; };
 		45A4AD5212395BE6005D5625 /* Document.pdf */ = {isa = PBXFileReference; lastKnownFileType = image.pdf; name = Document.pdf; path = Resources/Document.pdf; sourceTree = "<group>"; };
 		45B550D912326A5500DAE92E /* CGPDFDocument.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CGPDFDocument.h; path = Sources/CGPDFDocument.h; sourceTree = "<group>"; };
 		45B550DA12326A5500DAE92E /* CGPDFDocument.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = CGPDFDocument.m; path = Sources/CGPDFDocument.m; sourceTree = "<group>"; };
@@ -147,6 +151,8 @@
 		450A66D911D27B5800014BF5 /* Graphics */ = {
 			isa = PBXGroup;
 			children = (
+				45832D241389823800D72031 /* Icon-Print.png */,
+				45832D251389823800D72031 /* Icon-Print@2x.png */,
 				450A670E11D27BCD00014BF5 /* AppIcon-114.png */,
 				450A670D11D27BCD00014BF5 /* AppIcon-072.png */,
 				450A670C11D27BCD00014BF5 /* AppIcon-057.png */,
@@ -223,6 +229,8 @@
 				45EFD9761236D8EA00AAE9B3 /* README in Resources */,
 				45A4AD5312395BE6005D5625 /* Document.pdf in Resources */,
 				4534A869125F658F001F3415 /* LICENSE in Resources */,
+				45832D261389823800D72031 /* Icon-Print.png in Resources */,
+				45832D271389823800D72031 /* Icon-Print@2x.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};