update at 2026-01-22 21:12:46

src/colorResolver.ts

@@ -54,6 +54,11 @@ export class ColorResolver {
     }
 
     const color = this.resolveColor(layer.colorRef);
+    if (typeof layer.num === 'number' && layer.num > 0) {
+      const interval = layer.interval ?? 0;
+      return applyPatternColoring(layer.divisions, color, layer.num, interval);
+    }
+
     for (let i = 0; i < layer.divisions; i++) {
       colorMap.set(i, color);
     }

tests/colorResolver.test.ts

@@ -27,20 +27,37 @@ describe('colorResolver', () => {
     expect(map.has(5)).toBe(false);
   });
 
-  it('resolveLayerColors 在提供 colorRef 时覆盖全部扇区', () => {
+  it('resolveLayerColors 在提供 colorRef 且无 num 时覆盖全部扇区', () => {
     const resolver = new ColorResolver(theme, '#000000');
     const layer: SectorLayerConfig = {
       divisions: 4,
       rInner: 0,
       rOuter: 10,
       colorRef: '火',
+    };
+    const map = resolver.resolveLayerColors(layer);
+    expect(map.size).toBe(4);
+    expect(map.get(0)).toBe('#E53935');
+    expect(map.get(3)).toBe('#E53935');
+  });
+
+  it('resolveLayerColors 在提供 num 时使用规律填色', () => {
+    const resolver = new ColorResolver(theme, '#000000');
+    const layer: SectorLayerConfig = {
+      divisions: 6,
+      rInner: 0,
+      rOuter: 10,
+      colorRef: '火',
       num: 2,
       interval: 1,
     };
     const map = resolver.resolveLayerColors(layer);
-    expect(map.size).toBe(4);
+    expect(map.has(0)).toBe(true);
-    expect(map.get(0)).toBe('#E53935');
+    expect(map.has(1)).toBe(true);
-    expect(map.get(3)).toBe('#E53935');
+    expect(map.has(2)).toBe(false);
+    expect(map.has(3)).toBe(true);
+    expect(map.has(4)).toBe(true);
+    expect(map.has(5)).toBe(false);
   });
 
   it('resolveSectorColor 应遵循 sector > layer > background 优先级', () => {