Added Instagram-like filters.

example/src/main/java/com/example/filters/MainActivity.java

@@ -55,36 +55,106 @@ private void bindDataToAdapter() {
         Runnable r = new Runnable() {
             public void run() {
                 Bitmap thumbImage = Bitmap.createScaledBitmap(BitmapFactory.decodeResource(context.getResources(), R.drawable.photo), 640, 640, false);
-                ThumbnailItem t1 = new ThumbnailItem();
-                ThumbnailItem t2 = new ThumbnailItem();
-                ThumbnailItem t3 = new ThumbnailItem();
-                ThumbnailItem t4 = new ThumbnailItem();
-                ThumbnailItem t5 = new ThumbnailItem();
-                ThumbnailItem t6 = new ThumbnailItem();
-
-                t1.image = thumbImage;
-                t2.image = thumbImage;
-                t3.image = thumbImage;
-                t4.image = thumbImage;
-                t5.image = thumbImage;
-                t6.image = thumbImage;
-                ThumbnailsManager.clearThumbs();
-                ThumbnailsManager.addThumb(t1); // Original Image
-
-                t2.filter = SampleFilters.getStarLitFilter();
-                ThumbnailsManager.addThumb(t2);
-
-                t3.filter = SampleFilters.getBlueMessFilter();
-                ThumbnailsManager.addThumb(t3);
 
-                t4.filter = SampleFilters.getAweStruckVibeFilter();
-                ThumbnailsManager.addThumb(t4);
-
-                t5.filter = SampleFilters.getLimeStutterFilter();
-                ThumbnailsManager.addThumb(t5);
-
-                t6.filter = SampleFilters.getNightWhisperFilter();
-                ThumbnailsManager.addThumb(t6);
+                ThumbnailItem originalImage = new ThumbnailItem();
+                originalImage.image = thumbImage;
+                ThumbnailsManager.clearThumbs();
+                ThumbnailsManager.addThumb(originalImage); // Original Image
+
+                ThumbnailItem defaultImage = new ThumbnailItem();
+                defaultImage.image = thumbImage;
+                defaultImage.filter = SampleFilters.getDefaultFilter();
+                ThumbnailsManager.addThumb(defaultImage);
+
+                ThumbnailItem starLitImage = new ThumbnailItem();
+                starLitImage.image = thumbImage;
+                starLitImage.filter = SampleFilters.getStarLitFilter();
+                ThumbnailsManager.addThumb(starLitImage);
+
+                ThumbnailItem clarendonImage = new ThumbnailItem();
+                clarendonImage.image = thumbImage;
+                clarendonImage.filter = SampleFilters.getClarendonFilter();
+                ThumbnailsManager.addThumb(clarendonImage);
+
+                ThumbnailItem seirraImage = new ThumbnailItem();
+                seirraImage.image = thumbImage;
+                seirraImage.filter = SampleFilters.getSierraFilter();
+                ThumbnailsManager.addThumb(seirraImage);
+
+                ThumbnailItem mayfairImage = new ThumbnailItem();
+                mayfairImage.image = thumbImage;
+                mayfairImage.filter = SampleFilters.getMayFairFilter();
+                ThumbnailsManager.addThumb(mayfairImage);
+
+                ThumbnailItem aweStruckVibeImage = new ThumbnailItem();
+                aweStruckVibeImage.image = thumbImage;
+                aweStruckVibeImage.filter = SampleFilters.getAweStruckVibeFilter();
+                ThumbnailsManager.addThumb(aweStruckVibeImage);
+
+                ThumbnailItem blueMessImage = new ThumbnailItem();
+                blueMessImage.image = thumbImage;
+                blueMessImage.filter = SampleFilters.getBlueMessFilter();
+                ThumbnailsManager.addThumb(blueMessImage);
+
+                ThumbnailItem limeStutterImage = new ThumbnailItem();
+                limeStutterImage.image = thumbImage;
+                limeStutterImage.filter = SampleFilters.getLimeStutterFilter();
+                ThumbnailsManager.addThumb(limeStutterImage);
+
+                ThumbnailItem nightWhisperImage = new ThumbnailItem();
+                nightWhisperImage.image = thumbImage;
+                nightWhisperImage.filter = SampleFilters.getNightWhisperFilter();
+                ThumbnailsManager.addThumb(nightWhisperImage);
+
+                ThumbnailItem amazonImage = new ThumbnailItem();
+                amazonImage.image = thumbImage;
+                amazonImage.filter = SampleFilters.getAmazonFilter();
+                ThumbnailsManager.addThumb(amazonImage);
+
+                ThumbnailItem audreyImage = new ThumbnailItem();
+                audreyImage.image = thumbImage;
+                audreyImage.filter = SampleFilters.getAudreyFilter();
+                ThumbnailsManager.addThumb(audreyImage);
+
+                ThumbnailItem riseImage = new ThumbnailItem();
+                riseImage.image = thumbImage;
+                riseImage.filter = SampleFilters.getRiseFilter();
+                ThumbnailsManager.addThumb(riseImage);
+
+                ThumbnailItem marsImage = new ThumbnailItem();
+                marsImage.image = thumbImage;
+                marsImage.filter = SampleFilters.getMarsFilter();
+                ThumbnailsManager.addThumb(marsImage);
+
+                ThumbnailItem aprilImage = new ThumbnailItem();
+                aprilImage.image = thumbImage;
+                aprilImage.filter = SampleFilters.getAprilFilter();
+                ThumbnailsManager.addThumb(aprilImage);
+
+                ThumbnailItem haanImage = new ThumbnailItem();
+                haanImage.image = thumbImage;
+                haanImage.filter = SampleFilters.getHaanFilter();
+                ThumbnailsManager.addThumb(haanImage);
+
+                ThumbnailItem oldManImage = new ThumbnailItem();
+                oldManImage.image = thumbImage;
+                oldManImage.filter = SampleFilters.getOldManFilter();
+                ThumbnailsManager.addThumb(oldManImage);
+
+                ThumbnailItem adeleImage = new ThumbnailItem();
+                adeleImage.image = thumbImage;
+                adeleImage.filter = SampleFilters.getAdeleFilter();
+                ThumbnailsManager.addThumb(adeleImage);
+
+                ThumbnailItem cruzImage = new ThumbnailItem();
+                cruzImage.image = thumbImage;
+                cruzImage.filter = SampleFilters.getCruzFilter();
+                ThumbnailsManager.addThumb(cruzImage);
+
+                ThumbnailItem metropolisImage = new ThumbnailItem();
+                metropolisImage.image = thumbImage;
+                metropolisImage.filter = SampleFilters.getMetropolisFilter();
+                ThumbnailsManager.addThumb(metropolisImage);
 
                 List<ThumbnailItem> thumbs = ThumbnailsManager.processThumbs(context);
 

example/src/main/java/com/example/filters/ThumbnailsAdapter.java

@@ -6,6 +6,8 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
+import android.widget.TextView;
+
 import com.nineoldandroids.view.ViewHelper;
 
 import java.util.List;

example/src/main/res/layout/list_thumbnail_item.xml

@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              android:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:background="@color/thumb_background_color">
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:background="@color/thumb_background_color"
+    android:orientation="vertical">
 
     <ImageView
         android:id="@+id/thumbnail"
         android:layout_width="@dimen/thumbnail_size"
         android:layout_height="@dimen/thumbnail_size"
         android:paddingLeft="@dimen/thumbnail_horizontal_padding"
-        android:paddingRight="@dimen/thumbnail_horizontal_padding"/>
+        android:paddingRight="@dimen/thumbnail_horizontal_padding" />
 
 </LinearLayout>

photofilterssdk/src/main/java/com/zomato/photofilters/SampleFilters.java

@@ -3,9 +3,13 @@
 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 java.lang.reflect.Array;
+
 /**
  * @author Varun on 01/07/15.
  */
@@ -135,4 +139,200 @@ public static Filter getNightWhisperFilter() {
         filter.addSubFilter(new ToneCurveSubFilter(rgbKnots, redKnots, greenKnots, blueKnots));
         return filter;
     }
+
+    public static Filter getDefaultFilter() {
+        Filter filter = new Filter();
+        filter.addSubFilter(new BrightnessSubFilter(20));
+        filter.addSubFilter(new ContrastSubFilter(1.4f));
+        filter.addSubFilter(new SaturationSubFilter(1.4f));
+        return filter;
+    }
+
+    public static Filter getMayFairFilter() {
+        Point[] rgbKnots = new Point[8];
+        rgbKnots[0] = new Point(0f, 0f);
+        rgbKnots[1] = new Point(34f, 6f);
+        rgbKnots[2] = new Point(69f, 23f);
+        rgbKnots[3] = new Point(100f, 58f);
+        rgbKnots[4] = new Point(150f, 154f);
+        rgbKnots[5] = new Point(176f, 196f);
+        rgbKnots[6] = new Point(207f, 233f);
+        rgbKnots[7] = new Point(255f, 255f);
+        Filter filter = new Filter();
+        filter.addSubFilter(new ToneCurveSubFilter(rgbKnots, null, null, null));
+        return filter;
+    }
+
+    public static Filter getSierraFilter() {
+        Point[] rgbKnots = new Point[2];
+        Point[] redKnots = new Point[2];
+
+        rgbKnots[0] = new Point(0f, 54f);
+        rgbKnots[1] = new Point(255f, 255f);
+
+        redKnots[0] = new Point(0f, 21f);
+        redKnots[1] = new Point(255f, 255f);
+
+
+        Filter filter = new Filter();
+        filter.addSubFilter(new ToneCurveSubFilter(rgbKnots, redKnots, null, null));
+        filter.addSubFilter(new ContrastSubFilter(1.33f));
+        filter.addSubFilter(new BrightnessSubFilter(-30));
+        return filter;
+    }
+
+    public static Filter getAmazonFilter() {
+        Point[] blueKnots = new Point[6];
+        blueKnots[0] = new Point(0f, 0f);
+        blueKnots[1] = new Point(11f, 40f);
+        blueKnots[2] = new Point(36f, 99f);
+        blueKnots[3] = new Point(86f, 151f);
+        blueKnots[4] = new Point(167f, 209f);
+        blueKnots[5] = new Point(255f, 255f);
+        Filter filter = new Filter();
+        filter.addSubFilter(new ContrastSubFilter(1.2f));
+        filter.addSubFilter(new ToneCurveSubFilter(null, null, null, blueKnots));
+        return filter;
+    }
+
+    public static Filter getAdeleFilter() {
+        Filter filter = new Filter();
+        filter.addSubFilter(new SaturationSubFilter(-100f));
+        return filter;
+    }
+
+    public static Filter getCruzFilter() {
+        Filter filter = new Filter();
+        filter.addSubFilter(new SaturationSubFilter(-100f));
+        filter.addSubFilter(new ContrastSubFilter(1.3f));
+        filter.addSubFilter(new BrightnessSubFilter(20));
+        return filter;
+    }
+
+    public static Filter getMetropolisFilter() {
+        Filter filter = new Filter();
+        filter.addSubFilter(new SaturationSubFilter(-1f));
+        filter.addSubFilter(new ContrastSubFilter(1.7f));
+        filter.addSubFilter(new BrightnessSubFilter(70));
+        return filter;
+    }
+
+    public static Filter getAudreyFilter() {
+        Filter filter = new Filter();
+
+        Point[] redKnots = new Point[3];
+        redKnots[0] = new Point(0f, 0f);
+        redKnots[1] = new Point(124f, 138f);
+        redKnots[2] = new Point(255f, 255f);
+
+        filter.addSubFilter(new SaturationSubFilter(-100f));
+        filter.addSubFilter(new ContrastSubFilter(1.3f));
+        filter.addSubFilter(new BrightnessSubFilter(20));
+        filter.addSubFilter(new ToneCurveSubFilter(null, redKnots, null, null));
+        return filter;
+    }
+
+    public static Filter getRiseFilter() {
+        Point[] blueKnots = new Point[4];
+        Point[] redKnots = new Point[4];
+
+        blueKnots[0] = new Point(0f, 0f);
+        blueKnots[1] = new Point(39f, 70f);
+        blueKnots[2] = new Point(150f, 200f);
+        blueKnots[3] = new Point(255f, 255f);
+
+        redKnots[0] = new Point(0f, 0f);
+        redKnots[1] = new Point(45f, 64f);
+        redKnots[2] = new Point(170f, 190f);
+        redKnots[3] = new Point(255f, 255f);
+
+        Filter filter = new Filter();
+        filter.addSubFilter(new ContrastSubFilter(1.9f));
+        filter.addSubFilter(new BrightnessSubFilter(60));
+//        filter.addSubFilter(VignetteSubfilter(ctx, 200))
+        filter.addSubFilter(new ToneCurveSubFilter(null, redKnots, null, blueKnots));
+        return filter;
+    }
+
+    public static Filter getMarsFilter() {
+        Filter filter = new Filter();
+        filter.addSubFilter(new ContrastSubFilter(1.5f));
+        filter.addSubFilter(new BrightnessSubFilter(10));
+        return filter;
+    }
+
+    public static Filter getAprilFilter() {
+        Point[] blueKnots = new Point[4];
+        Point[] redKnots = new Point[4];
+
+        blueKnots[0] = new Point(0f, 0f);
+        blueKnots[1] = new Point(39f, 70f);
+        blueKnots[2] = new Point(150f, 200f);
+        blueKnots[3] = new Point(255f, 255f);
+
+        redKnots[0] = new Point(0f, 0f);
+        redKnots[1] = new Point(45f, 64f);
+        redKnots[2] = new Point(170f, 190f);
+        redKnots[3] = new Point(255f, 255f);
+
+        Filter filter = new Filter();
+        filter.addSubFilter(new ContrastSubFilter(1.5f));
+        filter.addSubFilter(new BrightnessSubFilter(5));
+//        filter.addSubFilter(VignetteSubfilter(context, 150))
+        filter.addSubFilter(new ToneCurveSubFilter(null, redKnots, null, blueKnots));
+        return filter;
+    }
+
+    public static Filter getHaanFilter() {
+        Point[] greenKnots = new Point[3];
+        greenKnots[0] = new Point(0f, 0f);
+        greenKnots[1] = new Point(113f, 142f);
+        greenKnots[2] = new Point(255f, 255f);
+
+        Filter filter = new Filter();
+        filter.addSubFilter(new ContrastSubFilter(1.3f));
+        filter.addSubFilter(new BrightnessSubFilter(60));
+//        filter.addSubFilter(VignetteSubfilter(context, 200))
+        filter.addSubFilter(new ToneCurveSubFilter(null, null, greenKnots, null));
+        return filter;
+    }
+
+    public static Filter getOldManFilter() {
+        Filter filter = new Filter();
+        filter.addSubFilter(new BrightnessSubFilter(30));
+        filter.addSubFilter(new SaturationSubFilter(0.8f));
+        filter.addSubFilter(new ContrastSubFilter(1.3f));
+//        filter.addSubFilter(VignetteSubfilter(context, 100))
+        filter.addSubFilter(new ColorOverlaySubFilter(100, .2f, .2f, .1f));
+        return filter;
+    }
+
+    public static Filter getClarendonFilter() {
+        Point[] redKnots = new Point[4];
+        Point[] greenKnots = new Point[4];
+        Point[] blueKnots = new Point[4];
+
+        redKnots[0] = new Point(0f, 0f);
+        redKnots[1] = new Point(56f, 68f);
+        redKnots[2] = new Point(196f, 206f);
+        redKnots[3] = new Point(255f, 255f);
+
+
+        greenKnots[0] = new Point(0f, 0f);
+        greenKnots[1] = new Point(46f, 77f);
+        greenKnots[2] = new Point(160f, 200f);
+        greenKnots[3] = new Point(255f, 255f);
+
+
+        blueKnots[0] = new Point(0f, 0f);
+        blueKnots[1] = new Point(33f, 86f);
+        blueKnots[2] = new Point(126f, 220f);
+        blueKnots[3] = new Point(255f, 255f);
+
+        Filter filter = new Filter();
+        filter.addSubFilter(new ContrastSubFilter(1.5f));
+        filter.addSubFilter(new BrightnessSubFilter(-10));
+        filter.addSubFilter(new ToneCurveSubFilter(null, redKnots, greenKnots, blueKnots));
+        return filter;
+    }
 }