Apply UX in TV recommendation card at LeanbackLauncher

Bug: 15524293
Change-Id: Icf89ac2c010157ff618ba43cdc48c80871e0cead

1 files changed, 70 insertions, 0 deletions

diff --git a/src/com/android/tv/util/BitmapUtils.java b/src/com/android/tv/util/BitmapUtils.java
new file mode 100644
index 00000000..e866d850
--- /dev/null
+++ b/src/com/android/tv/util/BitmapUtils.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tv.util;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
+import android.graphics.RectF;
+
+public class BitmapUtils {
+    private BitmapUtils() { /* cannot be instantiated */ }
+
+    public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx, float targetWidth,
+            float targetHeight) {
+        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
+                Bitmap.Config.ARGB_8888);
+        Canvas canvas = new Canvas(output);
+
+        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
+        final RectF rectF = new RectF(rect);
+
+        final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        paint.setColor(Color.BLACK);
+
+        canvas.drawARGB(0, 0, 0, 0);
+        canvas.drawRoundRect(rectF, roundPx * bitmap.getWidth() / targetWidth,
+                roundPx * bitmap.getHeight() / targetHeight, paint);
+        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
+        canvas.drawBitmap(bitmap, rect, rect, paint);
+
+        return output;
+    }
+
+    public static Bitmap scaleBitmap(Bitmap bm, int maxWidth, int maxHeight) {
+        final double ratio = maxHeight / (double) maxWidth;
+        final double bmRatio = bm.getHeight() / (double) bm.getWidth();
+        Bitmap result = null;
+        Rect rect = new Rect();
+        if (ratio > bmRatio) {
+            rect.right = maxWidth;
+            rect.bottom = Math.round((float) bm.getHeight() * maxWidth / bm.getWidth());
+        } else {
+            rect.right = Math.round((float) bm.getWidth() * maxHeight / bm.getHeight());
+            rect.bottom = maxHeight;
+        }
+        result = Bitmap.createBitmap(rect.right, rect.bottom, bm.getConfig());
+        Canvas canvas = new Canvas(result);
+        canvas.drawBitmap(bm, null, rect, null);
+        return result;
+    }
+}
\ No newline at end of file