From 7ee862e3f52a6042f2c952b12f68766dd3371b82 Mon Sep 17 00:00:00 2001
From: "jamshidi.m799" <jamshidi.m799@gmail.com>
Date: Fri, 19 Jun 2020 22:01:43 +0430
Subject: [PATCH 1/7] add Mono Chrome filter

---
 .../java/com/example/filters/MainActivity.java |  6 ++++++
 .../com/zomato/photofilters/SampleFilters.java | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index c3120d2..9550c10 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -61,6 +61,7 @@ public void run() {
                 ThumbnailItem t4 = new ThumbnailItem();
                 ThumbnailItem t5 = new ThumbnailItem();
                 ThumbnailItem t6 = new ThumbnailItem();
+                ThumbnailItem t7 = new ThumbnailItem();
 
                 t1.image = thumbImage;
                 t2.image = thumbImage;
@@ -68,6 +69,7 @@ public void run() {
                 t4.image = thumbImage;
                 t5.image = thumbImage;
                 t6.image = thumbImage;
+                t7.image = thumbImage;
                 ThumbnailsManager.clearThumbs();
                 ThumbnailsManager.addThumb(t1); // Original Image
 
@@ -86,6 +88,10 @@ public void run() {
                 t6.filter = SampleFilters.getNightWhisperFilter();
                 ThumbnailsManager.addThumb(t6);
 
+                t7.filter = SampleFilters.getMonoChromeFilter();
+                ThumbnailsManager.addThumb(t7);
+
+
                 List<ThumbnailItem> thumbs = ThumbnailsManager.processThumbs(context);
 
                 ThumbnailsAdapter adapter = new ThumbnailsAdapter(thumbs, (ThumbnailCallback) activity);
diff --git a/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java b/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java
index 6f2a663..60a69e8 100644
--- a/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java
+++ b/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java
@@ -1,10 +1,16 @@
 package com.zomato.photofilters;
 
+import android.app.Application;
+import android.content.Context;
+
 import com.zomato.photofilters.geometry.Point;
 import com.zomato.photofilters.imageprocessors.Filter;
 import com.zomato.photofilters.imageprocessors.subfilters.BrightnessSubFilter;
+import com.zomato.photofilters.imageprocessors.subfilters.ColorOverlaySubFilter;
 import com.zomato.photofilters.imageprocessors.subfilters.ContrastSubFilter;
+import com.zomato.photofilters.imageprocessors.subfilters.SaturationSubFilter;
 import com.zomato.photofilters.imageprocessors.subfilters.ToneCurveSubFilter;
+import com.zomato.photofilters.imageprocessors.subfilters.VignetteSubFilter;
 
 /**
  * @author Varun on 01/07/15.
@@ -135,4 +141,16 @@ public static Filter getNightWhisperFilter() {
         filter.addSubFilter(new ToneCurveSubFilter(rgbKnots, redKnots, greenKnots, blueKnots));
         return filter;
     }
+
+    public static Filter getMonoChromeFilter() {
+
+        Filter filter = new Filter();
+//        filter.addSubFilter(new ToneCurveSubFilter(rgbKnots, redKnots, greenKnots, blueKnots));
+//        filter.addSubFilter(new BrightnessSubFilter(-100));
+        filter.addSubFilter(new SaturationSubFilter(-10));
+
+//        filter.addSubFilter(new ContrastSubFilter(2f));
+//        filter.addSubFilter(new ColorOverlaySubFilter(4, 10F, 10F, 10F));
+        return filter;
+    }
 }

From 53fe0a2e41c4a8b1fbbe7ebc64b259a0d30be66a Mon Sep 17 00:00:00 2001
From: Zahra Fazel <zfazel1379@gmail.com>
Date: Thu, 25 Jun 2020 02:08:02 +0430
Subject: [PATCH 2/7] add Violet Filter

---
 .../com/example/filters/MainActivity.java     |  4 ++++
 .../zomato/photofilters/SampleFilters.java    | 24 +++++++++++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index 9550c10..df83db6 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -62,6 +62,7 @@ public void run() {
                 ThumbnailItem t5 = new ThumbnailItem();
                 ThumbnailItem t6 = new ThumbnailItem();
                 ThumbnailItem t7 = new ThumbnailItem();
+                ThumbnailItem t8 = new ThumbnailItem();
 
                 t1.image = thumbImage;
                 t2.image = thumbImage;
@@ -70,6 +71,7 @@ public void run() {
                 t5.image = thumbImage;
                 t6.image = thumbImage;
                 t7.image = thumbImage;
+                t8.image = thumbImage;
                 ThumbnailsManager.clearThumbs();
                 ThumbnailsManager.addThumb(t1); // Original Image
 
@@ -91,6 +93,8 @@ public void run() {
                 t7.filter = SampleFilters.getMonoChromeFilter();
                 ThumbnailsManager.addThumb(t7);
 
+                t8.filter = SampleFilters.getVioletFilter();
+                ThumbnailsManager.addThumb(t8);
 
                 List<ThumbnailItem> thumbs = ThumbnailsManager.processThumbs(context);
 
diff --git a/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java b/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java
index 60a69e8..75238a6 100644
--- a/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java
+++ b/photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java
@@ -1,8 +1,5 @@
 package com.zomato.photofilters;
 
-import android.app.Application;
-import android.content.Context;
-
 import com.zomato.photofilters.geometry.Point;
 import com.zomato.photofilters.imageprocessors.Filter;
 import com.zomato.photofilters.imageprocessors.subfilters.BrightnessSubFilter;
@@ -10,7 +7,6 @@
 import com.zomato.photofilters.imageprocessors.subfilters.ContrastSubFilter;
 import com.zomato.photofilters.imageprocessors.subfilters.SaturationSubFilter;
 import com.zomato.photofilters.imageprocessors.subfilters.ToneCurveSubFilter;
-import com.zomato.photofilters.imageprocessors.subfilters.VignetteSubFilter;
 
 /**
  * @author Varun on 01/07/15.
@@ -153,4 +149,24 @@ public static Filter getMonoChromeFilter() {
 //        filter.addSubFilter(new ColorOverlaySubFilter(4, 10F, 10F, 10F));
         return filter;
     }
+
+    public static Filter getVioletFilter()
+    {
+        Point[] greenKnots;
+        greenKnots = new Point[8];
+        greenKnots[0] = new Point(0, 0);
+        greenKnots[1] = new Point(86, 34);
+        greenKnots[2] = new Point(117, 41);
+        greenKnots[3] = new Point(146, 80);
+        greenKnots[4] = new Point(170, 151);
+        greenKnots[5] = new Point(200, 214);
+        greenKnots[6] = new Point(225, 242);
+        greenKnots[7] = new Point(255, 255);
+        Filter filter = new Filter();
+        filter.addSubFilter(new SaturationSubFilter((float) -1));
+        filter.addSubFilter(new ColorOverlaySubFilter(80,(float) 0.1,0,(float) 0.9));
+        filter.addSubFilter(new BrightnessSubFilter(-30));
+        filter.addSubFilter(new ToneCurveSubFilter(null,null , greenKnots, null));
+        return filter;
+    }
 }

From f9dbf77666c413e795815ba1f54e82f28e9d59da Mon Sep 17 00:00:00 2001
From: Zahra Fazel <zfazel1379@gmail.com>
Date: Thu, 25 Jun 2020 14:44:04 +0430
Subject: [PATCH 3/7] add Save Method

---
 .../com/example/filters/MainActivity.java     |  20 ++++++++
 .../src/main/res/drawable/import_photo.png    | Bin 0 -> 3244 bytes
 example/src/main/res/drawable/rotate_left.png | Bin 0 -> 3447 bytes
 .../src/main/res/drawable/rotate_right.png    | Bin 0 -> 3444 bytes
 example/src/main/res/drawable/save_photo.png  | Bin 0 -> 3245 bytes
 example/src/main/res/layout/activity_main.xml |  46 ++++++++++++++++++
 6 files changed, 66 insertions(+)
 create mode 100644 example/src/main/res/drawable/import_photo.png
 create mode 100644 example/src/main/res/drawable/rotate_left.png
 create mode 100644 example/src/main/res/drawable/rotate_right.png
 create mode 100644 example/src/main/res/drawable/save_photo.png

diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index df83db6..ebbcbd7 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -4,16 +4,21 @@
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.drawable.BitmapDrawable;
 import android.os.Bundle;
 import android.os.Handler;
+import android.provider.MediaStore;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
+import android.view.View;
 import android.widget.ImageView;
+import android.widget.Toast;
 
 import com.zomato.photofilters.SampleFilters;
 import com.zomato.photofilters.imageprocessors.Filter;
 
+import java.util.Calendar;
 import java.util.List;
 
 public class MainActivity extends AppCompatActivity implements ThumbnailCallback {
@@ -38,6 +43,21 @@ private void initUIWidgets() {
         placeHolderImageView = (ImageView) findViewById(R.id.place_holder_imageview);
         placeHolderImageView.setImageBitmap(Bitmap.createScaledBitmap(BitmapFactory.decodeResource(this.getApplicationContext().getResources(), R.drawable.photo), 640, 640, false));
         initHorizontalList();
+        ImageView import_photo = (ImageView) findViewById(R.id.import_photo);
+        ImageView rotate_left = (ImageView) findViewById(R.id.rotate_left);
+        ImageView rotate_right = (ImageView) findViewById(R.id.rotate_right);
+        ImageView save_photo = (ImageView) findViewById(R.id.save_photo);
+        assert save_photo != null;
+        save_photo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Calendar calendar = Calendar.getInstance();
+                Bitmap filteredBitmap = ((BitmapDrawable) placeHolderImageView.getDrawable()).getBitmap();
+                MediaStore.Images.Media.insertImage(getContentResolver(), filteredBitmap,
+                        "photo_" + calendar.getTimeInMillis(), "");
+                Toast.makeText(MainActivity.this, "saved in Pictures", Toast.LENGTH_SHORT).show();
+            }
+        });
     }
 
     private void initHorizontalList() {
diff --git a/example/src/main/res/drawable/import_photo.png b/example/src/main/res/drawable/import_photo.png
new file mode 100644
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diff --git a/example/src/main/res/drawable/rotate_left.png b/example/src/main/res/drawable/rotate_left.png
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zyE`zxKZH<(gU{rK)+tw+<+#5eLV&JV_0vZjN6>8%E{Mc3ejvyp5UlP=sIA@F!%tV#
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zmC*|Tj)4Km=>(F~iJI{WeE6T{tP45G!o*bVn|5I5hZjSy*tyeImlco4Ri5J>2XLW|
zTzCKg*m>x9;^d!B+Ilmu?mxH>ua10=GI9c7?)$&nQ;-}3IWxQ%e8sL99v&VZ9v&VZ
f9v&VZ9v=8VzJX=i@M*$k00000NkvXXu0mjfv}`c6

literal 0
HcmV?d00001

diff --git a/example/src/main/res/layout/activity_main.xml b/example/src/main/res/layout/activity_main.xml
index 28c43a1..58ca4e9 100644
--- a/example/src/main/res/layout/activity_main.xml
+++ b/example/src/main/res/layout/activity_main.xml
@@ -17,6 +17,7 @@
         />
 
     <RelativeLayout
+        android:id="@+id/rel1"
         android:layout_width="match_parent"
         android:layout_height="@dimen/recycler_size"
         android:layout_alignParentBottom="true"
@@ -33,4 +34,49 @@
 
     </RelativeLayout>
 
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        android:layout_above="@+id/rel1"
+        android:background="@color/thumb_background_color">
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerHorizontal="true">
+            <ImageView
+                android:id="@+id/import_photo"
+                android:layout_width="50dp"
+                android:layout_height="50dp"
+                android:layout_marginRight="30dp"
+                android:src="@drawable/import_photo"/>
+            <ImageView
+                android:id="@+id/rotate_left"
+                android:layout_width="50dp"
+                android:layout_height="50dp"
+                android:layout_toEndOf="@id/import_photo"
+                android:src="@drawable/rotate_left"
+                android:layout_toRightOf="@id/import_photo"
+                android:layout_marginRight="30dp"
+                android:layout_marginLeft="30dp"/>
+            <ImageView
+                android:id="@+id/rotate_right"
+                android:layout_width="50dp"
+                android:layout_height="50dp"
+                android:layout_toEndOf="@id/rotate_left"
+                android:src="@drawable/rotate_right"
+                android:layout_toRightOf="@id/rotate_left"
+                android:layout_marginRight="30dp"
+                android:layout_marginLeft="30dp"/>
+            <ImageView
+                android:id="@+id/save_photo"
+                android:layout_width="50dp"
+                android:layout_height="50dp"
+                android:layout_toEndOf="@id/rotate_right"
+                android:src="@drawable/save_photo"
+                android:layout_toRightOf="@id/rotate_right"
+                android:layout_marginLeft="30dp"
+                android:layout_marginStart="30dp" />
+        </RelativeLayout>
+    </RelativeLayout>
+
 </RelativeLayout>

From d9c15bc9f0a6b5d45c648f09139609fa5cdb35cb Mon Sep 17 00:00:00 2001
From: Zahra Fazel <zfazel1379@gmail.com>
Date: Fri, 26 Jun 2020 10:59:15 +0430
Subject: [PATCH 4/7] add Import Photo Method can import from both camera and
 gallery

---
 example/src/main/AndroidManifest.xml          |   6 +-
 .../com/example/filters/MainActivity.java     | 117 ++++++++++++++++--
 2 files changed, 112 insertions(+), 11 deletions(-)

diff --git a/example/src/main/AndroidManifest.xml b/example/src/main/AndroidManifest.xml
index 2e8df57..409c65b 100644
--- a/example/src/main/AndroidManifest.xml
+++ b/example/src/main/AndroidManifest.xml
@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest package="com.example.filters"
           xmlns:android="http://schemas.android.com/apk/res/android">
-
+<!--    <uses-permission android:name="android.permission.CAMERA" />-->
+    <uses-feature android:name="android.hardware.camera" />
+<!--    <uses-feature android:name="android.hardware.camera.autofocus" />-->
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index ebbcbd7..4f1d78f 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -1,13 +1,18 @@
 package com.example.filters;
 
 import android.app.Activity;
+import android.content.ContentValues;
 import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.MediaStore;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
@@ -18,7 +23,7 @@
 import com.zomato.photofilters.SampleFilters;
 import com.zomato.photofilters.imageprocessors.Filter;
 
-import java.util.Calendar;
+import java.io.IOException;
 import java.util.List;
 
 public class MainActivity extends AppCompatActivity implements ThumbnailCallback {
@@ -29,6 +34,8 @@ public class MainActivity extends AppCompatActivity implements ThumbnailCallback
     private Activity activity;
     private RecyclerView thumbListView;
     private ImageView placeHolderImageView;
+    private Uri imageUri;
+    private Bitmap bitmap;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -41,7 +48,8 @@ protected void onCreate(Bundle savedInstanceState) {
     private void initUIWidgets() {
         thumbListView = (RecyclerView) findViewById(R.id.thumbnails);
         placeHolderImageView = (ImageView) findViewById(R.id.place_holder_imageview);
-        placeHolderImageView.setImageBitmap(Bitmap.createScaledBitmap(BitmapFactory.decodeResource(this.getApplicationContext().getResources(), R.drawable.photo), 640, 640, false));
+        bitmap = BitmapFactory.decodeResource(this.getApplicationContext().getResources(), R.drawable.photo);
+        placeHolderImageView.setImageBitmap(Bitmap.createScaledBitmap(bitmap, 640, 640, false));
         initHorizontalList();
         ImageView import_photo = (ImageView) findViewById(R.id.import_photo);
         ImageView rotate_left = (ImageView) findViewById(R.id.rotate_left);
@@ -51,11 +59,15 @@ private void initUIWidgets() {
         save_photo.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Calendar calendar = Calendar.getInstance();
-                Bitmap filteredBitmap = ((BitmapDrawable) placeHolderImageView.getDrawable()).getBitmap();
-                MediaStore.Images.Media.insertImage(getContentResolver(), filteredBitmap,
-                        "photo_" + calendar.getTimeInMillis(), "");
-                Toast.makeText(MainActivity.this, "saved in Pictures", Toast.LENGTH_SHORT).show();
+                save_photo();
+            }
+        });
+
+        assert import_photo != null;
+        import_photo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                import_photo();
             }
         });
     }
@@ -74,7 +86,7 @@ private void bindDataToAdapter() {
         Handler handler = new Handler();
         Runnable r = new Runnable() {
             public void run() {
-                Bitmap thumbImage = Bitmap.createScaledBitmap(BitmapFactory.decodeResource(context.getResources(), R.drawable.photo), 640, 640, false);
+                Bitmap thumbImage = Bitmap.createScaledBitmap(bitmap, placeHolderImageView.getDrawable().getIntrinsicWidth(), placeHolderImageView.getDrawable().getIntrinsicHeight(), false);
                 ThumbnailItem t1 = new ThumbnailItem();
                 ThumbnailItem t2 = new ThumbnailItem();
                 ThumbnailItem t3 = new ThumbnailItem();
@@ -127,7 +139,92 @@ public void run() {
     }
 
     @Override
-    public void onThumbnailClick(Filter filter) {
-        placeHolderImageView.setImageBitmap(filter.processFilter(Bitmap.createScaledBitmap(BitmapFactory.decodeResource(this.getApplicationContext().getResources(), R.drawable.photo), 640, 640, false)));
+    public void onThumbnailClick(Filter filter)
+    {
+        placeHolderImageView.setImageBitmap(filter.processFilter(Bitmap.createScaledBitmap(bitmap, placeHolderImageView.getDrawable().getIntrinsicWidth(), placeHolderImageView.getDrawable().getIntrinsicHeight(), false)));
+    }
+
+    private void save_photo()
+    {
+        Bitmap filteredBitmap = ((BitmapDrawable) placeHolderImageView.getDrawable()).getBitmap();
+        MediaStore.Images.Media.insertImage(getContentResolver(), filteredBitmap,
+                "photo_" + System.currentTimeMillis(), "");
+        Toast.makeText(MainActivity.this, "saved in Pictures", Toast.LENGTH_SHORT).show();
+    }
+
+    private void import_photo()
+    {
+        final CharSequence[] options = { "Take Photo", "Choose from Gallery","Cancel" };
+        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
+        builder.setTitle("Choose Photo");
+        builder.setItems(options, new DialogInterface.OnClickListener()
+        {
+            @Override
+            public void onClick(DialogInterface dialog, int item)
+            {
+                if (options[item].equals("Take Photo"))
+                {
+                    ContentValues values = new ContentValues();
+                    values.put(MediaStore.Images.Media.TITLE, "New Picture");
+                    values.put(MediaStore.Images.Media.DESCRIPTION, "From your Camera");
+                    imageUri = getContentResolver().insert(
+                            MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
+                    Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
+                    if (takePictureIntent.resolveActivity(getPackageManager()) != null)
+                        startActivityForResult(takePictureIntent, 1);
+                }
+                else if (options[item].equals("Choose from Gallery"))
+                {
+                    Intent gallery = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.INTERNAL_CONTENT_URI);
+                    startActivityForResult(gallery, 2);
+                }
+                else if (options[item].equals("Cancel"))
+                {
+                    dialog.dismiss();
+                }
+            }
+        });
+        builder.show();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data)
+    {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (resultCode == RESULT_OK)
+        {
+            if (requestCode == 1)
+            {
+                try
+                {
+                    bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), imageUri);
+                    placeHolderImageView.setImageBitmap(bitmap);
+                }
+                catch (Exception e)
+                {
+                    e.printStackTrace();
+                }
+                assert bitmap != null;
+                bitmap = bitmap.copy(Bitmap.Config.ARGB_8888 , true);
+                bindDataToAdapter();
+            }
+            else if (requestCode == 2)
+            {
+                imageUri = data.getData();
+                placeHolderImageView.setImageURI(imageUri);
+                try
+                {
+                    bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), imageUri);
+                }
+                catch (IOException e)
+                {
+                    e.printStackTrace();
+                }
+                assert bitmap != null;
+                bitmap = bitmap.copy(Bitmap.Config.ARGB_8888 , true);
+                bindDataToAdapter();
+            }
+        }
     }
 }

From 1405c7a28c49929db95b06fe49658d62fee02017 Mon Sep 17 00:00:00 2001
From: Zahra Fazel <zfazel1379@gmail.com>
Date: Fri, 26 Jun 2020 11:26:00 +0430
Subject: [PATCH 5/7] fix some bugs

---
 example/src/main/AndroidManifest.xml                        | 2 --
 example/src/main/java/com/example/filters/MainActivity.java | 6 +++++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/example/src/main/AndroidManifest.xml b/example/src/main/AndroidManifest.xml
index 409c65b..4075b9d 100644
--- a/example/src/main/AndroidManifest.xml
+++ b/example/src/main/AndroidManifest.xml
@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest package="com.example.filters"
           xmlns:android="http://schemas.android.com/apk/res/android">
-<!--    <uses-permission android:name="android.permission.CAMERA" />-->
     <uses-feature android:name="android.hardware.camera" />
-<!--    <uses-feature android:name="android.hardware.camera.autofocus" />-->
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <application
diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index 4f1d78f..a91ea64 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -36,6 +36,7 @@ public class MainActivity extends AppCompatActivity implements ThumbnailCallback
     private ImageView placeHolderImageView;
     private Uri imageUri;
     private Bitmap bitmap;
+    private Bitmap filteredBitmap;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -141,7 +142,8 @@ public void run() {
     @Override
     public void onThumbnailClick(Filter filter)
     {
-        placeHolderImageView.setImageBitmap(filter.processFilter(Bitmap.createScaledBitmap(bitmap, placeHolderImageView.getDrawable().getIntrinsicWidth(), placeHolderImageView.getDrawable().getIntrinsicHeight(), false)));
+        filteredBitmap = filter.processFilter(Bitmap.createScaledBitmap(bitmap, placeHolderImageView.getDrawable().getIntrinsicWidth(), placeHolderImageView.getDrawable().getIntrinsicHeight(), false));
+        placeHolderImageView.setImageBitmap(filteredBitmap);
     }
 
     private void save_photo()
@@ -207,6 +209,7 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data)
                 }
                 assert bitmap != null;
                 bitmap = bitmap.copy(Bitmap.Config.ARGB_8888 , true);
+                filteredBitmap = bitmap;
                 bindDataToAdapter();
             }
             else if (requestCode == 2)
@@ -223,6 +226,7 @@ else if (requestCode == 2)
                 }
                 assert bitmap != null;
                 bitmap = bitmap.copy(Bitmap.Config.ARGB_8888 , true);
+                filteredBitmap = bitmap;
                 bindDataToAdapter();
             }
         }

From 39b64039bd45eb2bddd29534f7011fb6704d11db Mon Sep 17 00:00:00 2001
From: roodabeh <roodabesafavi@yahoo.com>
Date: Fri, 26 Jun 2020 13:18:56 +0430
Subject: [PATCH 6/7] add rotation

---
 .../com/example/filters/MainActivity.java     | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index a91ea64..66beb73 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -71,6 +71,34 @@ public void onClick(View v) {
                 import_photo();
             }
         });
+
+        assert rotate_right != null;
+        rotate_right.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View v)
+            {
+                Matrix matrix = new Matrix();
+                matrix.postRotate(90);
+                Bitmap scaledBitmap = Bitmap.createScaledBitmap(filteredBitmap, filteredBitmap.getWidth(), filteredBitmap.getHeight(), true);
+                filteredBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
+                placeHolderImageView.setImageBitmap(filteredBitmap);
+            }
+        });
+
+        assert rotate_left != null;
+        rotate_left.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View v)
+            {
+                Matrix matrix = new Matrix();
+                matrix.postRotate(-90);
+                Bitmap scaledBitmap = Bitmap.createScaledBitmap(filteredBitmap, filteredBitmap.getWidth(), filteredBitmap.getHeight(), true);
+                filteredBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
+                placeHolderImageView.setImageBitmap(filteredBitmap);
+            }
+        });
     }
 
     private void initHorizontalList() {

From c2bd6f8e8906c5e687b342af2609cfcb8b29072b Mon Sep 17 00:00:00 2001
From: Zahra Fazel <zfazel1379@gmail.com>
Date: Fri, 26 Jun 2020 13:37:34 +0430
Subject: [PATCH 7/7] fix a bug in rotation

---
 example/src/main/java/com/example/filters/MainActivity.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/example/src/main/java/com/example/filters/MainActivity.java b/example/src/main/java/com/example/filters/MainActivity.java
index 66beb73..865e26c 100644
--- a/example/src/main/java/com/example/filters/MainActivity.java
+++ b/example/src/main/java/com/example/filters/MainActivity.java
@@ -9,6 +9,7 @@
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
 import android.net.Uri;
+import android.graphics.Matrix;
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.MediaStore;
@@ -82,6 +83,8 @@ public void onClick(View v)
                 matrix.postRotate(90);
                 Bitmap scaledBitmap = Bitmap.createScaledBitmap(filteredBitmap, filteredBitmap.getWidth(), filteredBitmap.getHeight(), true);
                 filteredBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
+                scaledBitmap = Bitmap.createScaledBitmap(bitmap, bitmap.getWidth(), bitmap.getHeight(), true);
+                bitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
                 placeHolderImageView.setImageBitmap(filteredBitmap);
             }
         });
@@ -96,6 +99,8 @@ public void onClick(View v)
                 matrix.postRotate(-90);
                 Bitmap scaledBitmap = Bitmap.createScaledBitmap(filteredBitmap, filteredBitmap.getWidth(), filteredBitmap.getHeight(), true);
                 filteredBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
+                scaledBitmap = Bitmap.createScaledBitmap(bitmap, bitmap.getWidth(), bitmap.getHeight(), true);
+                bitmap = Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
                 placeHolderImageView.setImageBitmap(filteredBitmap);
             }
         });