update readme

camerakit/src/main/java/com/flurgle/camerakit/CameraView.java

@@ -405,6 +405,8 @@ public class CameraView extends FrameLayout {
         public void onPictureTaken(byte[] jpeg) {
             super.onPictureTaken(jpeg);
             if (mCropOutput) {
+                int width = mPictureMode == PICTURE_MODE_QUALITY ? mCameraImpl.getCaptureSize().getWidth() : mCameraImpl.getPreviewSize().getWidth();
+                int height = mPictureMode == PICTURE_MODE_QUALITY ? mCameraImpl.getCaptureSize().getHeight() : mCameraImpl.getPreviewSize().getHeight();
                 AspectRatio outputRatio = AspectRatio.of(getWidth(), getHeight());
                 getCameraListener().onPictureTaken(new CenterCrop(jpeg, outputRatio).getJpeg());
             } else {

camerakit/src/main/java/com/flurgle/camerakit/utils/CenterCrop.java

@@ -2,10 +2,13 @@ package com.flurgle.camerakit.utils;
 
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.BitmapRegionDecoder;
 import android.graphics.Rect;
 import android.graphics.YuvImage;
+import android.util.Log;
 
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 
 public class CenterCrop {
 
@@ -19,12 +22,26 @@ public class CenterCrop {
     }
 
     public CenterCrop(byte[] jpeg, AspectRatio targetRatio) {
-        Bitmap bitmap = BitmapFactory.decodeByteArray(jpeg, 0, jpeg.length);
-        Rect crop = getCrop(bitmap.getWidth(), bitmap.getHeight(), targetRatio);
-        bitmap = Bitmap.createBitmap(bitmap, crop.left, crop.top, crop.width(), crop.height());
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
-        this.croppedJpeg = out.toByteArray();
+        BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inJustDecodeBounds = true;
+        BitmapFactory.decodeByteArray(jpeg, 0, jpeg.length, options);
+
+        Rect crop = getCrop(options.outWidth, options.outHeight, targetRatio);
+        try {
+            Bitmap bitmap = BitmapRegionDecoder.newInstance(
+                    jpeg,
+                    0,
+                    jpeg.length,
+                    true
+            ).decodeRegion(crop, null);
+
+            ByteArrayOutputStream out = new ByteArrayOutputStream();
+            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
+            this.croppedJpeg = out.toByteArray();
+        } catch (IOException e) {
+            Log.e("CameraKit", e.toString());
+            return;
+        }
     }
 
     private static Rect getCrop(int currentWidth, int currentHeight, AspectRatio targetRatio) {

demo/src/main/res/layout/activity_main.xml

@@ -18,7 +18,7 @@
             android:layout_width="match_parent"
             android:layout_height="500dp"
             android:layout_gravity="center_horizontal"
-            app:ckCropOutput="true"
+            app:ckCropOutput="false"
             app:ckFacing="back"
             app:ckFlash="off"
             app:ckPictureMode="quality"
@@ -34,7 +34,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:orientation="horizontal"
-                android:weightSum="4">
+                android:weightSum="3">
 
                 <ImageButton
                     android:id="@+id/capturePhoto"
@@ -54,7 +54,8 @@
                     android:layout_weight="1"
                     android:backgroundTint="@color/colorPrimary"
                     android:src="@drawable/ic_video"
-                    android:tint="@android:color/white" />
+                    android:tint="@android:color/white"
+                    android:visibility="gone" />
 
                 <ImageButton
                     android:id="@+id/toggleFlash"
@@ -166,21 +167,21 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="4dp"
-                        android:checkedButton="@+id/modeCropVisible"
+                        android:checkedButton="@+id/modeCropFullSize"
                         android:orientation="horizontal">
 
                         <RadioButton
-                            android:id="@+id/modeCropVisible"
+                            android:id="@+id/modeCropFullSize"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:text="Crop to visible" />
+                            android:text="Full size" />
 
                         <RadioButton
-                            android:id="@+id/modeCropFullSize"
+                            android:id="@+id/modeCropVisible"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_marginLeft="10dp"
-                            android:text="Full size" />
+                            android:text="Crop to visible" />
 
                     </RadioGroup>