From cc869df575d25b818ca0d4554fd20c475e482352 Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Sat, 31 Aug 2019 00:13:47 +0900
Subject: [PATCH] fullscreen: print

---
 lib/widgets/fullscreen/image_page.dart  | 20 ++++++++++-
 lib/widgets/fullscreen/overlay_top.dart |  4 +++
 pubspec.lock                            | 44 ++++++++++++++++++++++++-
 pubspec.yaml                            |  2 ++
 4 files changed, 68 insertions(+), 2 deletions(-)

diff --git a/lib/widgets/fullscreen/image_page.dart b/lib/widgets/fullscreen/image_page.dart
index 374c9110c..4fd624e00 100644
--- a/lib/widgets/fullscreen/image_page.dart
+++ b/lib/widgets/fullscreen/image_page.dart
@@ -12,8 +12,10 @@ import 'package:flushbar/flushbar.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
+import 'package:pdf/widgets.dart' as pdf;
 import 'package:photo_view/photo_view.dart';
 import 'package:photo_view/photo_view_gallery.dart';
+import 'package:printing/printing.dart';
 import 'package:screen/screen.dart';
 
 class FullscreenPage extends AnimatedWidget {
@@ -236,6 +238,9 @@ class FullscreenBodyState extends State<FullscreenBody> with SingleTickerProvide
       case FullscreenAction.openMap:
         AndroidAppService.openMap(entry.geoUri);
         break;
+      case FullscreenAction.print:
+        print(entry);
+        break;
       case FullscreenAction.rotateCCW:
         rotate(entry, clockwise: false);
         break;
@@ -264,6 +269,19 @@ class FullscreenBodyState extends State<FullscreenBody> with SingleTickerProvide
     )..show(context);
   }
 
+  print(ImageEntry entry) async {
+    final doc = pdf.Document(title: entry.title);
+    final image = await pdfImageFromImageProvider(
+      pdf: doc.document,
+      image: FileImage(File(entry.path)),
+    );
+    doc.addPage(pdf.Page(build: (context) => pdf.Center(child: pdf.Image(image)))); // Page
+    Printing.layoutPdf(
+      onLayout: (format) => doc.save(),
+      name: entry.title,
+    );
+  }
+
   rotate(ImageEntry entry, {@required bool clockwise}) async {
     final success = await entry.rotate(clockwise: clockwise);
     showFeedback(success ? 'Done!' : 'Failed');
@@ -320,7 +338,7 @@ class FullscreenBodyState extends State<FullscreenBody> with SingleTickerProvide
   }
 }
 
-enum FullscreenAction { delete, edit, info, open, openMap, rename, rotateCCW, rotateCW, setAs, share }
+enum FullscreenAction { delete, edit, info, open, openMap, print, rename, rotateCCW, rotateCW, setAs, share }
 
 class ImagePage extends StatefulWidget {
   final ImageCollection collection;
diff --git a/lib/widgets/fullscreen/overlay_top.dart b/lib/widgets/fullscreen/overlay_top.dart
index ee10960df..1f34d0501 100644
--- a/lib/widgets/fullscreen/overlay_top.dart
+++ b/lib/widgets/fullscreen/overlay_top.dart
@@ -71,6 +71,10 @@ class FullscreenTopOverlay extends StatelessWidget {
                       value: FullscreenAction.rotateCW,
                       child: MenuRow(text: 'Rotate right', icon: Icons.rotate_right),
                     ),
+                  PopupMenuItem(
+                    value: FullscreenAction.print,
+                    child: MenuRow(text: 'Print', icon: Icons.print),
+                  ),
                   PopupMenuDivider(),
                   PopupMenuItem(
                     value: FullscreenAction.edit,
diff --git a/pubspec.lock b/pubspec.lock
index 44a23ebf5..1393f2672 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -8,6 +8,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.7+2"
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.10"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.2"
   async:
     dependency: transitive
     description:
@@ -50,6 +64,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
   flushbar:
     dependency: "direct main"
     description:
@@ -144,6 +165,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.4"
+  pdf:
+    dependency: "direct main"
+    description:
+      name: pdf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.18"
   pedantic:
     dependency: transitive
     description:
@@ -172,6 +200,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.2"
+  printing:
+    dependency: "direct main"
+    description:
+      name: printing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
   quiver:
     dependency: transitive
     description:
@@ -275,6 +310,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.6"
+  utf:
+    dependency: transitive
+    description:
+      name: utf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.0+5"
   vector_math:
     dependency: transitive
     description:
@@ -298,4 +340,4 @@ packages:
     version: "3.5.0"
 sdks:
   dart: ">=2.4.0 <3.0.0"
-  flutter: ">=1.5.9-pre.94 <2.0.0"
+  flutter: ">=1.7.0 <2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index ba7376fa4..2e0680899 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -28,8 +28,10 @@ dependencies:
   google_maps_flutter:
   intl:
   path:
+  pdf:
   permission_handler:
   photo_view:
+  printing:
   screen:
   shared_preferences:
   sqflite: