48 lines
1.3 KiB
Dart
48 lines
1.3 KiB
Dart
import 'package:flutter/material.dart';
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import '../canvas/document_types.dart';
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import 'note_file.dart';
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extension LineLoading on NoteFile {
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Future<List<Stroke>> loadStrokes() async {
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final query = await db().query('points',
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orderBy: 'strokeid',
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columns: ['x', 'y', 'thickness', 'strokeid', 'id']);
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int strokeid = -1;
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List<Stroke> strokes = [];
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for (final i in query) {
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final int csid = i['strokeid'] as int;
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if (csid != strokeid) {
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strokeid = csid;
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strokes.add(Stroke(strokeid, Colors.green));
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}
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final Point p = Point(
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Offset(i['x'] as double, i['y'] as double), i['thickness'] as double);
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strokes.last.points.add(p);
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}
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return strokes;
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}
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// create new stroke in file and return strokeid
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Future<void> addStroke(int newStrokeId) async {
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await db().insert(
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'strokes', {'color': 0xffffff, 'elevation': 0, 'id': newStrokeId});
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}
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Future<void> addPoint(int strokeid, Point p) async {
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await db().insert('points', {
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'x': p.point.dx,
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'y': p.point.dy,
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'thickness': p.thickness,
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'strokeid': strokeid
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});
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}
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Future<void> removeStroke(int id) async {
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await db().delete('strokes', where: 'id = $id');
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await db().delete('points', where: 'strokeid = $id');
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}
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}
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