/
StaffLine.ts
250 lines (215 loc) · 8.52 KB
/
StaffLine.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
import {Staff} from "../VoiceData/Staff";
import {BoundingBox} from "./BoundingBox";
import {Instrument} from "../Instrument";
import {GraphicalLine} from "./GraphicalLine";
import {GraphicalStaffEntry} from "./GraphicalStaffEntry";
import {GraphicalObject} from "./GraphicalObject";
import {GraphicalMeasure} from "./GraphicalMeasure";
import {MusicSystem} from "./MusicSystem";
import {StaffLineActivitySymbol} from "./StaffLineActivitySymbol";
import {PointF2D} from "../../Common/DataObjects/PointF2D";
import {GraphicalLabel} from "./GraphicalLabel";
import { SkyBottomLineCalculator } from "./SkyBottomLineCalculator";
import { GraphicalOctaveShift } from "./GraphicalOctaveShift";
import { GraphicalSlur } from "./GraphicalSlur";
import { AbstractGraphicalExpression } from "./AbstractGraphicalExpression";
import { GraphicalPedal } from "./GraphicalPedal";
import { GraphicalGlissando } from "./GraphicalGlissando";
/**
* A StaffLine contains the [[Measure]]s in one line of the music sheet
* (one instrument, one line, until a line break)
*/
export abstract class StaffLine extends GraphicalObject {
protected measures: GraphicalMeasure[] = [];
protected staffLines: GraphicalLine[] = new Array(5);
protected parentMusicSystem: MusicSystem;
protected parentStaff: Staff;
protected octaveShifts: GraphicalOctaveShift[] = [];
protected skyBottomLine: SkyBottomLineCalculator;
protected lyricLines: GraphicalLine[] = [];
protected lyricsDashes: GraphicalLabel[] = [];
protected abstractExpressions: AbstractGraphicalExpression[] = [];
/** The staff height in units */
private staffHeight: number;
private topLineOffset: number;
private bottomLineOffset: number;
// For displaying Slurs
protected graphicalSlurs: GraphicalSlur[] = [];
protected graphicalGlissandi: GraphicalGlissando[] = [];
constructor(parentSystem: MusicSystem, parentStaff: Staff) {
super();
this.parentMusicSystem = parentSystem;
this.parentStaff = parentStaff;
this.boundingBox = new BoundingBox(this, parentSystem.PositionAndShape);
this.skyBottomLine = new SkyBottomLineCalculator(this);
this.staffHeight = this.parentMusicSystem.rules.StaffHeight;
this.topLineOffset = 0;
this.bottomLineOffset = 4;
this.calculateStaffLineOffsets();
}
/**
* If the musicXML sets different numbers of stafflines, we need to have different offsets
* to accomodate this - primarily for the sky and bottom lines and cursor.
*/
private calculateStaffLineOffsets(): void {
if (this.ParentStaff.isTab) {
switch (this.ParentStaff.StafflineCount) {
case 5:
this.staffHeight = this.bottomLineOffset =
this.ParentStaff.ParentInstrument.GetMusicSheet.Rules.TabStaffInterlineHeight * 6;
break;
default:
this.staffHeight = this.bottomLineOffset =
this.ParentStaff.ParentInstrument.GetMusicSheet.Rules.TabStaffInterlineHeight * this.ParentStaff.StafflineCount;
break;
}
} else {
switch (this.ParentStaff.StafflineCount) {
case 4:
this.bottomLineOffset = 1;
break;
case 3:
this.topLineOffset = 1;
this.bottomLineOffset = 1;
break;
case 2:
this.topLineOffset = 2;
this.bottomLineOffset = 1;
break;
case 1:
this.topLineOffset = 2;
this.bottomLineOffset = 2;
break;
default:
break;
}
}
}
public get Measures(): GraphicalMeasure[] {
return this.measures;
}
public set Measures(value: GraphicalMeasure[]) {
this.measures = value;
}
public get StaffLines(): GraphicalLine[] {
return this.staffLines;
}
public set StaffLines(value: GraphicalLine[]) {
this.staffLines = value;
}
public get NextStaffLine(): StaffLine {
const idxInParent: number = this.parentMusicSystem.StaffLines.indexOf(this);
return idxInParent !== this.parentMusicSystem.StaffLines.length ? this.parentMusicSystem.StaffLines[idxInParent + 1] : undefined;
}
public get LyricLines(): GraphicalLine[] {
return this.lyricLines;
}
public get AbstractExpressions(): AbstractGraphicalExpression[] {
return this.abstractExpressions;
}
public set AbstractExpressions(value: AbstractGraphicalExpression[]) {
this.abstractExpressions = value;
}
public set LyricLines(value: GraphicalLine[]) {
this.lyricLines = value;
}
public get LyricsDashes(): GraphicalLabel[] {
return this.lyricsDashes;
}
public set LyricsDashes(value: GraphicalLabel[]) {
this.lyricsDashes = value;
}
public get ParentMusicSystem(): MusicSystem {
return this.parentMusicSystem;
}
public set ParentMusicSystem(value: MusicSystem) {
this.parentMusicSystem = value;
}
public get ParentStaff(): Staff {
return this.parentStaff;
}
public set ParentStaff(value: Staff) {
this.parentStaff = value;
}
public get SkyBottomLineCalculator(): SkyBottomLineCalculator {
return this.skyBottomLine;
}
public get SkyLine(): number[] {
return this.skyBottomLine.SkyLine;
}
public get BottomLine(): number[] {
return this.skyBottomLine.BottomLine;
}
public get OctaveShifts(): GraphicalOctaveShift[] {
return this.octaveShifts;
}
public set OctaveShifts(value: GraphicalOctaveShift[]) {
this.octaveShifts = value;
}
public Pedals: GraphicalPedal[] = [];
public get StaffHeight(): number {
return this.staffHeight;
}
public get TopLineOffset(): number {
return this.topLineOffset;
}
public get BottomLineOffset(): number {
return this.bottomLineOffset;
}
// get all Graphical Slurs of a staffline
public get GraphicalSlurs(): GraphicalSlur[] {
return this.graphicalSlurs;
}
public get GraphicalGlissandi(): GraphicalGlissando[] {
return this.graphicalGlissandi;
}
/**
* Add a given Graphical Slur to the staffline
* @param gSlur
*/
public addSlurToStaffline(gSlur: GraphicalSlur): void {
this.graphicalSlurs.push(gSlur);
}
public addGlissandoToStaffline(gGlissando: GraphicalGlissando): void {
this.graphicalGlissandi.push(gGlissando);
gGlissando.StaffLine = this;
}
public addActivitySymbolClickArea(): void {
const activitySymbol: StaffLineActivitySymbol = new StaffLineActivitySymbol(this);
const staffLinePsi: BoundingBox = this.PositionAndShape;
activitySymbol.PositionAndShape.RelativePosition =
new PointF2D(staffLinePsi.RelativePosition.x + staffLinePsi.BorderRight + 0.5, staffLinePsi.RelativePosition.y + 0.5);
activitySymbol.PositionAndShape.Parent = this.parentMusicSystem.PositionAndShape;
}
/**
* True iff [[StaffLine]] belongs to an [[Instrument]] with more than one [[Staff]].
* @returns {boolean}
*/
public isPartOfMultiStaffInstrument(): boolean {
const instrument: Instrument = this.parentStaff.ParentInstrument;
if (instrument.Staves.length > 1) {
return true;
}
return false;
}
/**
* Find the [[GraphicalStaffEntry]] closest to the given xPosition.
* @param xPosition
* @returns {GraphicalStaffEntry}
*/
public findClosestStaffEntry(xPosition: number): GraphicalStaffEntry {
let closestStaffentry: GraphicalStaffEntry = undefined;
for (let idx: number = 0, len: number = this.Measures.length; idx < len; ++idx) {
const graphicalMeasure: GraphicalMeasure = this.Measures[idx];
for (let idx2: number = 0, len2: number = graphicalMeasure.staffEntries.length; idx2 < len2; ++idx2) {
const graphicalStaffEntry: GraphicalStaffEntry = graphicalMeasure.staffEntries[idx2];
if (
Math.abs(graphicalStaffEntry.PositionAndShape.RelativePosition.x - xPosition + graphicalMeasure.PositionAndShape.RelativePosition.x) < 5.0
) {
closestStaffentry = graphicalStaffEntry;
}
}
}
return closestStaffentry;
}
}