BUGFIX: 获取pantone值为空时返回rgb和hsv

src/main/java/com/ai/da/common/utils/PantoneUtils.java

@@ -28,4 +28,70 @@ public class PantoneUtils {
         return new int[]{Math.round(hsv[0]), Math.round(hsv[1] * 100), Math.round(hsv[2] * 100)};
     }
 
+    public static int[] hsvToRgb(int h, int s, int v) {
+        // 确保 h 在 [0, 360) 范围内
+        h = h % 360;
+        if (h < 0) {
+            h += 360;
+        }
+
+        // 确保 s 和 v 在 [0, 100] 范围内
+        s = Math.max(0, Math.min(100, s));
+        v = Math.max(0, Math.min(100, v));
+
+        // 将 s 和 v 映射到 [0, 1] 范围
+        float sNorm = s / 100.0f;
+        float vNorm = v / 100.0f;
+
+        // 计算色相所在的区间
+        int hi = (h / 60) % 6;
+        float f = (h / 60.0f) - hi;
+        float p = vNorm * (1 - sNorm);
+        float q = vNorm * (1 - f * sNorm);
+        float t = vNorm * (1 - (1 - f) * sNorm);
+
+        float r, g, b;
+        switch (hi) {
+            case 0:
+                r = vNorm;
+                g = t;
+                b = p;
+                break;
+            case 1:
+                r = q;
+                g = vNorm;
+                b = p;
+                break;
+            case 2:
+                r = p;
+                g = vNorm;
+                b = t;
+                break;
+            case 3:
+                r = p;
+                g = q;
+                b = vNorm;
+                break;
+            case 4:
+                r = t;
+                g = p;
+                b = vNorm;
+                break;
+            case 5:
+                r = vNorm;
+                g = p;
+                b = q;
+                break;
+            default:
+                throw new RuntimeException("Invalid HSV values");
+        }
+
+        // 将 RGB 值从 [0, 1] 转换为 [0, 255]
+        int red = Math.round(r * 255);
+        int green = Math.round(g * 255);
+        int blue = Math.round(b * 255);
+
+        return new int[]{red, green, blue};
+    }
+
 }