From 223fc500a888d85267043b534c8b56a88ea0ed3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=91=A3=E5=AE=8F=E5=AE=87?= <martindhy@gmail.com>
Date: Fri, 7 May 2021 18:51:20 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E6=9C=80=E4=BC=98=E8=BD=A6?=
 =?UTF-8?q?=E9=81=93=E8=BF=9E=E8=B0=83?=
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---
 .../main/java/com/mogo/utils/ColorUtils.java  | 33 +++++++++++++++++++
 .../v2x/overlay/V2XOptimalRouteOverlay.java   |  2 +-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/foudations/mogo-utils/src/main/java/com/mogo/utils/ColorUtils.java b/foudations/mogo-utils/src/main/java/com/mogo/utils/ColorUtils.java
index 0269dd3316..e966483327 100644
--- a/foudations/mogo-utils/src/main/java/com/mogo/utils/ColorUtils.java
+++ b/foudations/mogo-utils/src/main/java/com/mogo/utils/ColorUtils.java
@@ -83,4 +83,37 @@ public class ColorUtils {
         return gradientColorArr;
     }
 
+    /**
+     * 获取一组渐变色数组
+     *
+     * @param startColor 开始颜色
+     * @param endColor   结束颜色
+     * @param step       步长
+     * @return 生成的梯度颜色集合
+     */
+    public static List<Integer> getGradientAlpha(String startColor, String centerColor, String endColor, int step) {
+        // 将HEX转为RGB
+        int[] sColor = hexToArgb(startColor);
+        int[] cColor = hexToArgb(centerColor);
+        int[] eColor = hexToArgb(endColor);
+
+        // 生成渐变色
+        List<Integer> gradientColorArr = new ArrayList<>();
+
+        if (step >= 3) {
+            // 开始颜色
+            gradientColorArr.add(Color.argb(sColor[0], sColor[1], sColor[2], sColor[3]));
+            // 中间颜色
+            for (int i = 0; i < (step - 2); i++) {
+                gradientColorArr.add(Color.argb(cColor[0], cColor[1], cColor[2], cColor[3]));
+            }
+            //结束颜色
+            gradientColorArr.add(Color.argb(eColor[0], eColor[1], eColor[2], eColor[3]));
+        } else {
+            gradientColorArr.add(Color.argb(cColor[0], cColor[1], cColor[2], cColor[3]));
+        }
+
+        return gradientColorArr;
+    }
+
 }
diff --git a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java
index 1f8ca14a4b..d6b05390dc 100644
--- a/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java
+++ b/modules/mogo-module-v2x/src/main/java/com/mogo/module/v2x/overlay/V2XOptimalRouteOverlay.java
@@ -57,7 +57,7 @@ public class V2XOptimalRouteOverlay {
                 }
             }
 
-            mPolylineColors.addAll(ColorUtils.gradientAlpha("#FF2965ED", "#FF2965ED", mPolylinePointList.size() ));
+            mPolylineColors.addAll(ColorUtils.getGradientAlpha("#002965ED", "#FF2965ED", "#002965ED", mPolylinePointList.size()));
 
             // 替换路径集合
             mPolylineOptions.points(mPolylinePointList);