widget_basic_test.dart
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/*
* Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import 'dart:io';
import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart';
import 'package:test/test.dart';
late Document pdf;
void main() {
setUpAll(() {
Document.debug = true;
pdf = Document();
});
test('Basic Widgets Align 1', () {
pdf.addPage(Page(
build: (Context context) => Align(
alignment: Alignment.bottomRight,
child: SizedBox(width: 100, height: 100, child: PdfLogo()),
)));
});
test('Basic Widgets Align 2', () {
pdf.addPage(Page(
build: (Context context) => Align(
alignment: const Alignment(0.8, 0.2),
child: SizedBox(width: 100, height: 100, child: PdfLogo()),
)));
});
test('Basic Widgets AspectRatio', () {
pdf.addPage(Page(
build: (Context context) => AspectRatio(
aspectRatio: 1.618,
child: Placeholder(),
)));
});
test('Basic Widgets Center', () {
pdf.addPage(Page(
build: (Context context) => Center(
child: SizedBox(width: 100, height: 100, child: PdfLogo()),
)));
});
test('Basic Widgets ConstrainedBox', () {
pdf.addPage(Page(
build: (Context context) => ConstrainedBox(
constraints: const BoxConstraints.tightFor(height: 300),
child: Placeholder()),
));
});
test('Basic Widgets CustomPaint', () {
pdf.addPage(Page(
build: (Context context) => CustomPaint(
size: const PdfPoint(200, 200),
painter: (PdfGraphics canvas, PdfPoint size) {
canvas
..drawEllipse(size.x / 2, size.y / 2, size.x / 2, size.y / 2)
..setFillColor(PdfColors.blue)
..fillPath();
},
)));
pdf.addPage(Page(
build: (Context context) => CustomPaint(
size: const PdfPoint(200, 200),
painter: (PdfGraphics canvas, PdfPoint size) {
canvas
..drawEllipse(size.x / 2, size.y / 2, size.x / 2, size.y / 2)
..setFillColor(PdfColors.blue)
..fillPath();
},
child: PdfLogo(),
)));
});
test('Basic Widgets FittedBox', () {
pdf.addPage(Page(
build: (Context context) => Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.max,
children: <Widget>[
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.contain,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.cover,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.fill,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.fitWidth,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.fitHeight,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.none,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
SizedBox(
height: 100,
width: 100,
child: FittedBox(
fit: BoxFit.scaleDown,
child: SizedBox(
width: 100, height: 50, child: Placeholder()))),
])));
});
test('Basic Widgets LimitedBox', () {
pdf.addPage(Page(
build: (Context context) => ListView(
children: <Widget>[
LimitedBox(
maxHeight: 40,
child: Placeholder(),
),
],
)));
});
test('Basic Widgets Padding', () {
pdf.addPage(Page(
build: (Context context) => Center(
child: Padding(
padding: const EdgeInsets.all(20),
child: PdfLogo(),
),
)));
});
test('Basic Widgets SizedBox', () {
pdf.addPage(Page(
build: (Context context) => SizedBox(
width: 200,
height: 100,
child: Placeholder(),
)));
});
test('Basic Widgets Transform', () {
pdf.addPage(Page(
build: (Context context) => Transform.scale(
scale: 0.5,
child: Transform.rotate(
angle: 0.1,
child: Placeholder(),
),
)));
});
test('Basic Widgets Transform rotateBox', () {
pdf.addPage(Page(
build: (Context context) => Center(
child: Transform.rotateBox(
angle: 3.1416 / 2,
child: Text('Hello'),
),
)));
});
tearDownAll(() async {
final file = File('widgets-basic.pdf');
await file.writeAsBytes(await pdf.save());
});
}