73 lines
2.1 KiB
Dart
73 lines
2.1 KiB
Dart
import 'dart:convert';
|
|
|
|
import 'package:aves/model/entry.dart';
|
|
import 'package:aves/model/entry_images.dart';
|
|
import 'package:aves/services/image_file_service.dart';
|
|
import 'package:aves/services/metadata_service.dart';
|
|
import 'package:pdf/widgets.dart' as pdf;
|
|
import 'package:pedantic/pedantic.dart';
|
|
import 'package:printing/printing.dart';
|
|
|
|
class EntryPrinter {
|
|
final AvesEntry entry;
|
|
|
|
const EntryPrinter(this.entry);
|
|
|
|
Future<void> print() async {
|
|
final documentName = entry.bestTitle ?? 'Aves';
|
|
final doc = pdf.Document(title: documentName);
|
|
|
|
final pages = await _buildPages();
|
|
if (pages.isNotEmpty) {
|
|
pages.forEach(doc.addPage); // Page
|
|
unawaited(Printing.layoutPdf(
|
|
onLayout: (format) => doc.save(),
|
|
name: documentName,
|
|
));
|
|
}
|
|
}
|
|
|
|
Future<List<pdf.Page>> _buildPages() async {
|
|
final pages = <pdf.Page>[];
|
|
|
|
void _addPdfPage(pdf.Widget pdfChild) {
|
|
if (pdfChild == null) return;
|
|
final displaySize = entry.displaySize;
|
|
pages.add(pdf.Page(
|
|
orientation: displaySize.height > displaySize.width ? pdf.PageOrientation.portrait : pdf.PageOrientation.landscape,
|
|
build: (context) => pdf.FullPage(
|
|
ignoreMargins: true,
|
|
child: pdf.Center(
|
|
child: pdfChild,
|
|
),
|
|
),
|
|
));
|
|
}
|
|
|
|
if (entry.isMultipage) {
|
|
final multiPageInfo = await MetadataService.getMultiPageInfo(entry);
|
|
if (multiPageInfo.pageCount > 1) {
|
|
for (final page in multiPageInfo.pages) {
|
|
final pageEntry = entry.getPageEntry(page);
|
|
_addPdfPage(await _buildPageImage(pageEntry));
|
|
}
|
|
}
|
|
}
|
|
if (pages.isEmpty) {
|
|
_addPdfPage(await _buildPageImage(entry));
|
|
}
|
|
return pages;
|
|
}
|
|
|
|
Future<pdf.Widget> _buildPageImage(AvesEntry entry) async {
|
|
if (entry.isSvg) {
|
|
final bytes = await ImageFileService.getSvg(entry.uri, entry.mimeType);
|
|
if (bytes != null && bytes.isNotEmpty) {
|
|
return pdf.SvgImage(svg: utf8.decode(bytes));
|
|
}
|
|
} else {
|
|
return pdf.Image(await flutterImageProvider(entry.uriImage));
|
|
}
|
|
return null;
|
|
}
|
|
}
|