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feat: add bar width multiplier (1x–8x horizontal zoom) for track grid

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Xiaohan-Tian
2026-04-10 18:17:36 -07:00
parent 4917e54048
commit 139684b413
8 changed files with 153 additions and 9 deletions
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src/core/KGProject.ts
+15 -2
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@@ -44,11 +44,15 @@ export class KGProject {
@WithDefault([0, 0])
private loopingRange: [number, number] = [0, 0]; // [startBar, endBar] - bar indices (0-based)
@Expose()
@WithDefault(1)
private barWidthMultiplier: number = 1;
@Expose()
@WithDefault(0)
private projectStructureVersion: number = 0;
public static readonly CURRENT_PROJECT_STRUCTURE_VERSION: number = 4;
public static readonly CURRENT_PROJECT_STRUCTURE_VERSION: number = 5;
@Expose()
@Type(() => KGTrack, {
@@ -64,7 +68,7 @@ export class KGProject {
private tracks: KGTrack[] = [];
// Constructor
constructor(name: string = "Untitled Project", maxBars: number = 32, currentBars: number = 0, bpm: number = 125, timeSignature: TimeSignature = { numerator: 4, denominator: 4 }, keySignature: KeySignature = "C major", selectedMode: string = "ionian", isLooping: boolean = false, loopingRange: [number, number] = [0, 0], tracks: KGTrack[] = [], projectStructureVersion: number = KGProject.CURRENT_PROJECT_STRUCTURE_VERSION) {
constructor(name: string = "Untitled Project", maxBars: number = 32, currentBars: number = 0, bpm: number = 125, timeSignature: TimeSignature = { numerator: 4, denominator: 4 }, keySignature: KeySignature = "C major", selectedMode: string = "ionian", isLooping: boolean = false, loopingRange: [number, number] = [0, 0], barWidthMultiplier: number = 1, tracks: KGTrack[] = [], projectStructureVersion: number = KGProject.CURRENT_PROJECT_STRUCTURE_VERSION) {
this.name = name;
this.maxBars = maxBars;
this.currentBars = currentBars;
@@ -74,6 +78,7 @@ export class KGProject {
this.selectedMode = selectedMode;
this.isLooping = isLooping;
this.loopingRange = loopingRange;
this.barWidthMultiplier = barWidthMultiplier;
this.tracks = tracks;
this.projectStructureVersion = projectStructureVersion;
}
@@ -167,5 +172,13 @@ export class KGProject {
public setLoopingRange(loopingRange: [number, number]): void {
this.loopingRange = loopingRange;
}
public getBarWidthMultiplier(): number {
return this.barWidthMultiplier;
}
public setBarWidthMultiplier(barWidthMultiplier: number): void {
this.barWidthMultiplier = barWidthMultiplier;
}
}