diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 903e3d4..74c96df 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -3,6 +3,9 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <compositeConfiguration>
+          <compositeBuild compositeDefinitionSource="SCRIPT" />
+        </compositeConfiguration>
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="modules">
@@ -13,6 +16,7 @@
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />
+        <option name="testRunner" value="PLATFORM" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/modules.xml b/.idea/modules.xml
index e157815..ec827b2 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/WaveLoadingView.iml" filepath="$PROJECT_DIR$/WaveLoadingView.iml" />
+      <module fileurl="file://$PROJECT_DIR$/WaveLoadingView_PullRequest.iml" filepath="$PROJECT_DIR$/WaveLoadingView_PullRequest.iml" />
       <module fileurl="file://$PROJECT_DIR$/library/library.iml" filepath="$PROJECT_DIR$/library/library.iml" />
       <module fileurl="file://$PROJECT_DIR$/sample/sample.iml" filepath="$PROJECT_DIR$/sample/sample.iml" />
     </modules>
diff --git a/build.gradle b/build.gradle
index 834079b..8daba25 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.5.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
         // NOTE: Do not place your application dependencies here; they belong
@@ -16,6 +17,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index f671e45..6eb6b86 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Nov 20 15:20:33 CST 2017
+#Thu Mar 19 15:26:18 EET 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/library/src/main/java/me/itangqi/waveloadingview/WaveLoadingView.java b/library/src/main/java/me/itangqi/waveloadingview/WaveLoadingView.java
index eb00138..fafdcc3 100755
--- a/library/src/main/java/me/itangqi/waveloadingview/WaveLoadingView.java
+++ b/library/src/main/java/me/itangqi/waveloadingview/WaveLoadingView.java
@@ -65,7 +65,8 @@ public enum ShapeType {
         TRIANGLE,
         CIRCLE,
         SQUARE,
-        RECTANGLE
+        RECTANGLE,
+        GLASS
     }
 
     public enum TriangleDirection {
@@ -324,6 +325,26 @@ public void onDraw(Canvas canvas) {
                         }
                     }
                     break;
+                case 4:
+                    if (mIsRoundRectangle) {
+                        if (borderWidth > 0) {
+                            canvas.drawPath(roundedRect(borderWidth / 2f,0,getWidth() - borderWidth / 2f - 0.5f,getHeight() - borderWidth / 2f - 0.5f,mRoundRectangleXY,mRoundRectangleXY,false,false,true,true), mBorderPaint);
+                            canvas.drawPath(roundedRect(borderWidth + 10,0,getWidth()-(borderWidth + 10),getHeight()-(borderWidth + 10),mRoundRectangleXY,mRoundRectangleXY,false,false,true,true), mWaveBgPaint);
+                            canvas.drawPath(roundedRect(borderWidth + 10,0,getWidth()-(borderWidth + 10),getHeight()-(borderWidth + 10),mRoundRectangleXY,mRoundRectangleXY,false,false,true,true), mWavePaint);
+                        } else {
+                            canvas.drawPath(roundedRect(0,0,getWidth(),getHeight(),mRoundRectangleXY,mRoundRectangleXY,false,false,true,true), mWaveBgPaint);
+                            canvas.drawPath(roundedRect(0,0,getWidth(),getHeight(),mRoundRectangleXY,mRoundRectangleXY,false,false,true,true), mWavePaint);
+                        }
+                    } else {
+                        if (borderWidth > 0) {
+                            canvas.drawRect(borderWidth / 2f, borderWidth / 2f, getWidth() - borderWidth / 2f - 0.5f, getHeight() - borderWidth / 2f - 0.5f, mWaveBgPaint);
+                            canvas.drawRect(borderWidth / 2f, borderWidth / 2f, getWidth() - borderWidth / 2f - 0.5f, getHeight() - borderWidth / 2f - 0.5f, mWavePaint);
+                        } else {
+                            canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), mWaveBgPaint);
+                            canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), mWavePaint);
+                        }
+                    }
+                    break;
                 default:
                     break;
             }
@@ -836,4 +857,56 @@ else if (direction == 3) {
 
         return path;
     }
+
+    public static Path roundedRect(
+            float left, float top, float right, float bottom, float rx, float ry,
+            boolean tl, boolean tr, boolean br, boolean bl
+    ){
+        Path path = new Path();
+        if (rx < 0) rx = 0;
+        if (ry < 0) ry = 0;
+        float width = right - left;
+        float height = bottom - top;
+        if (rx > width / 2) rx = width / 2;
+        if (ry > height / 2) ry = height / 2;
+        float widthMinusCorners = (width - (2 * rx));
+        float heightMinusCorners = (height - (2 * ry));
+
+        path.moveTo(right, top + ry);
+        if (tr)
+            path.rQuadTo(0, -ry, -rx, -ry);//top-right corner
+        else{
+            path.rLineTo(0, -ry);
+            path.rLineTo(-rx,0);
+        }
+        path.rLineTo(-widthMinusCorners, 0);
+        if (tl)
+            path.rQuadTo(-rx, 0, -rx, ry); //top-left corner
+        else{
+            path.rLineTo(-rx, 0);
+            path.rLineTo(0,ry);
+        }
+        path.rLineTo(0, heightMinusCorners);
+
+        if (bl)
+            path.rQuadTo(0, ry, rx, ry);//bottom-left corner
+        else{
+            path.rLineTo(0, ry);
+            path.rLineTo(rx,0);
+        }
+
+        path.rLineTo(widthMinusCorners, 0);
+        if (br)
+            path.rQuadTo(rx, 0, rx, -ry); //bottom-right corner
+        else{
+            path.rLineTo(rx,0);
+            path.rLineTo(0, -ry);
+        }
+
+        path.rLineTo(0, -heightMinusCorners);
+
+        path.close();//Given close, last lineto can be removed.
+
+        return path;
+    }
 }