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print: svg support, fix for entries without title

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Thibault Deckers 2020-03-31 22:24:13 +09:00
parent 7cbbcadb2a
commit 5844e4b32a
1 changed files with 36 additions and 10 deletions
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46
lib/widgets/fullscreen/fullscreen_action_delegate.dart
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@ -2,11 +2,14 @@ import 'dart:io';
import 'package:aves/model/collection_lens.dart'; import 'package:aves/model/collection_lens.dart';
import 'package:aves/model/image_entry.dart'; import 'package:aves/model/image_entry.dart';
import 'package:aves/model/image_file_service.dart';
import 'package:aves/utils/android_app_service.dart'; import 'package:aves/utils/android_app_service.dart';
import 'package:aves/widgets/common/image_providers/uri_image_provider.dart'; import 'package:aves/widgets/common/image_providers/uri_image_provider.dart';
import 'package:aves/widgets/fullscreen/fullscreen_actions.dart'; import 'package:aves/widgets/fullscreen/fullscreen_actions.dart';
import 'package:flushbar/flushbar.dart'; import 'package:flushbar/flushbar.dart';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart' as pdf; import 'package:pdf/widgets.dart' as pdf;
import 'package:pedantic/pedantic.dart'; import 'package:pedantic/pedantic.dart';
import 'package:printing/printing.dart'; import 'package:printing/printing.dart';
@ -77,16 +80,39 @@ class FullscreenActionDelegate {
} }
Future<void> _print(ImageEntry entry) async { Future<void> _print(ImageEntry entry) async {
final doc = pdf.Document(title: entry.title); final uri = entry.uri;
final image = await pdfImageFromImageProvider( final mimeType = entry.mimeType;
pdf: doc.document, final documentName = entry.title ?? 'Aves';
image: UriImage(uri: entry.uri, mimeType: entry.mimeType), final doc = pdf.Document(title: documentName);
);
doc.addPage(pdf.Page(build: (context) => pdf.Center(child: pdf.Image(image)))); // Page PdfImage pdfImage;
unawaited(Printing.layoutPdf( if (entry.isSvg) {
onLayout: (format) => doc.save(), final bytes = await ImageFileService.getImage(uri, mimeType);
name: entry.title, if (bytes != null && bytes.isNotEmpty) {
)); final svgRoot = await svg.fromSvgBytes(bytes, uri);
final viewBox = svgRoot.viewport.viewBox;
// 1000 is arbitrary, but large enough to look ok in the print preview
final targetSize = viewBox * 1000 / viewBox.longestSide;
final picture = svgRoot.toPicture(size: targetSize);
final uiImage = await picture.toImage(targetSize.width.ceil(), targetSize.height.ceil());
pdfImage = await pdfImageFromImage(
pdf: doc.document,
image: uiImage,
);
}
} else {
pdfImage = await pdfImageFromImageProvider(
pdf: doc.document,
image: UriImage(uri: uri, mimeType: mimeType),
);
}
if (pdfImage != null) {
doc.addPage(pdf.Page(build: (context) => pdf.Center(child: pdf.Image(pdfImage)))); // Page
unawaited(Printing.layoutPdf(
onLayout: (format) => doc.save(),
name: documentName,
));
}
} }
Future<void> _rotate(BuildContext context, ImageEntry entry, {@required bool clockwise}) async { Future<void> _rotate(BuildContext context, ImageEntry entry, {@required bool clockwise}) async {