fix bug happens on reqWidth is between 1/2 * width and width

Author: xiesubin

README.md

@@ -7,7 +7,7 @@ Compressor is a lightweight and powerful android image compression library. Comp
 # Gradle
 ```groovy
 dependencies {
-    implementation 'id.zelory:compressor:2.1.0'
+    implementation 'id.zelory:compressor:2.1.1'
 }
 ```
 # Let's compress the image size!

app/build.gradle

@@ -23,7 +23,7 @@ dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'id.zelory:compressor:2.1.0'
+    compile 'id.zelory:compressor:2.1.1'
     //compile project(':compressor')
     compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
 }

compressor/build.gradle

@@ -26,7 +26,7 @@ ext {
     siteUrl = 'https://github.com/zetbaitsu/Compressor'
     gitUrl = 'https://github.com/zetbaitsu/Compressor.git'
 
-    libraryVersion = '2.1.0'
+    libraryVersion = '2.1.1'
 
     developerId = 'zetbaitsu'
     developerName = 'Zetra'
@@ -45,7 +45,7 @@ android {
         minSdkVersion 9
         targetSdkVersion 25
         versionCode 5
-        versionName "2.1.0"
+        versionName "2.1.1"
     }
     buildTypes {
         release {

compressor/src/main/java/id/zelory/compressor/ImageUtil.java

@@ -78,7 +78,7 @@ private static int calculateInSampleSize(BitmapFactory.Options options, int reqW
         int inSampleSize = 1;
 
         if (height > reqHeight || width > reqWidth) {
-
+            inSampleSize *= 2;
             final int halfHeight = height / 2;
             final int halfWidth = width / 2;