Fix iOS printing issues

+# 1.3.2
+* Fix iOS printing issues
+
 # 1.3.1
 * Fix pana linting notices
 

@@ -63,6 +63,7 @@
 **/ios/ServiceDefinitions.json
 **/ios/Runner/GeneratedPluginRegistrant.*
 **/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+**/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
 **/ios/Podfile.lock
 **/ios/Podfile
 

@@ -14,7 +14,6 @@
 		669503AD9820A2FB8EB7D135 /* libPods-Runner.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 438EF44EBD2180BA9FEB6DD7 /* libPods-Runner.a */; };
 		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
 		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		9740EEB41CF90195004384FC /* Debug.xcconfig in Resources */ = {isa = PBXBuildFile; fileRef = 9740EEB21CF90195004384FC /* Debug.xcconfig */; };
 		978B8F6F1D3862AE00F588F7 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */; };
 		97C146F31CF9000F007C117D /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 97C146F21CF9000F007C117D /* main.m */; };
 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
@@ -173,7 +172,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0910;
+				LastUpgradeCheck = 1010;
 				ORGANIZATIONNAME = "The Chromium Authors";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
@@ -206,7 +205,6 @@
 			files = (
 				97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */,
 				3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
-				9740EEB41CF90195004384FC /* Debug.xcconfig in Resources */,
 				97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
 				97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,
 			);
@@ -336,12 +334,14 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
@@ -408,12 +408,14 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
@@ -462,12 +464,14 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;

 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0910"
+   LastUpgradeVersion = "1010"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,7 +26,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
@@ -46,7 +45,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

@@ -20,8 +20,7 @@
 
 - (instancetype)init:(FlutterMethodChannel*)channel;
 - (void)drawPageAtIndex:(NSInteger)pageIndex inRect:(CGRect)printableRect;
+- (void)setDocument:(NSData*)data;
 
 @property(nonatomic, readonly) NSInteger numberOfPages;
-@property(nonatomic, readonly) NSLock* lock;
-@property(nonatomic) CGPDFDocumentRef pdfDocument;
 @end

@@ -18,11 +18,10 @@
 
 @implementation PdfPrintPageRenderer {
   FlutterMethodChannel* channel;
+  CGPDFDocumentRef pdfDocument;
+  NSLock* lock;
 }
 
-@synthesize lock;
-@synthesize pdfDocument;
-
 - (instancetype)init:(FlutterMethodChannel*)channel {
   self = [super init];
   self->channel = channel;
@@ -31,6 +30,12 @@
   return self;
 }
 
+- (void)dealloc {
+  if (self->pdfDocument != nil) {
+    CGPDFDocumentRelease(self->pdfDocument);
+  }
+}
+
 - (NSInteger)numberOfPages {
   NSNumber* width = [[NSNumber alloc] initWithDouble:self.paperRect.size.width];
   NSNumber* height =
@@ -75,4 +80,24 @@
   CGContextDrawPDFPage(ctx, page);
 }
 
+void dataProviderReleaseDataCallback(void* info,
+                                     const void* data,
+                                     size_t size) {
+  free((void*)data);
+}
+
+- (void)setDocument:(NSData*)data {
+  void* buffer = malloc(data.length);
+  memcpy(buffer, data.bytes, data.length);
+  CGDataProviderRef dataProvider = CGDataProviderCreateWithData(
+      NULL, buffer, data.length, dataProviderReleaseDataCallback);
+  if (pdfDocument != nil) {
+    CGPDFDocumentRelease(pdfDocument);
+    pdfDocument = nil;
+  }
+  pdfDocument = CGPDFDocumentCreateWithProvider(dataProvider);
+  CGDataProviderRelease(dataProvider);
+  [lock unlock];
+}
+
 @end

@@ -33,7 +33,7 @@
 - (instancetype)init:(FlutterMethodChannel*)channel {
   self = [super init];
   self->channel = channel;
-  self->renderer = [[PdfPrintPageRenderer alloc] init:channel];
+  self->renderer = nil;
   return self;
 }
 
@@ -72,6 +72,7 @@
   printInfo.jobName = name;
   printInfo.outputType = UIPrintInfoOutputGeneral;
   controller.printInfo = printInfo;
+  renderer = [[PdfPrintPageRenderer alloc] init:channel];
   [controller setPrintPageRenderer:renderer];
   UIPrintInteractionCompletionHandler completionHandler =
       ^(UIPrintInteractionController* printController, BOOL completed,
@@ -80,25 +81,14 @@
           NSLog(@"FAILED! due to error in domain %@ with error code %u",
                 error.domain, (unsigned int)error.code);
         }
-        if (self->renderer.pdfDocument != nil) {
-          CGPDFDocumentRelease(self->renderer.pdfDocument);
-          self->renderer.pdfDocument = nil;
-        }
+        self->renderer = nil;
       };
 
   [controller presentAnimated:YES completionHandler:completionHandler];
 }
 
 - (void)writePdf:(nonnull FlutterStandardTypedData*)data {
-  CGDataProviderRef dataProvider = CGDataProviderCreateWithData(
-      NULL, data.data.bytes, data.data.length, NULL);
-  if (renderer.pdfDocument != nil) {
-    CGPDFDocumentRelease(renderer.pdfDocument);
-    renderer.pdfDocument = nil;
-  }
-  renderer.pdfDocument = CGPDFDocumentCreateWithProvider(dataProvider);
-  CGDataProviderRelease(dataProvider);
-  [renderer.lock unlock];
+  [renderer setDocument:data.data];
 }
 
 - (void)sharePdf:(nonnull FlutterStandardTypedData*)data

@@ -2,7 +2,7 @@ name: printing
 author: David PHAM-VAN <dev.nfet.net@gmail.com>
 description: Plugin that allows Flutter apps to generate and print documents to android or ios compatible printers
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
-version: 1.3.1
+version: 1.3.2
 
 environment:
   sdk: ">=1.19.0 <3.0.0"