Moving some utility classes to icon lib

Change-Id: I0cc19ea02fb0732e9e1778a18c0d2c229232d179

1 files changed, 50 insertions, 0 deletions

diff --git a/iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java b/iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java
new file mode 100644
index 000000000..a66b929ef
--- /dev/null
+++ b/iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2017 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.launcher3.icons;
+
+import android.annotation.TargetApi;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Picture;
+import android.os.Build;
+
+/**
+ * Interface representing a bitmap draw operation.
+ */
+public interface BitmapRenderer {
+
+    boolean USE_HARDWARE_BITMAP = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
+
+    static Bitmap createSoftwareBitmap(int width, int height, BitmapRenderer renderer) {
+        Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+        renderer.draw(new Canvas(result));
+        return result;
+    }
+
+    @TargetApi(Build.VERSION_CODES.P)
+    static Bitmap createHardwareBitmap(int width, int height, BitmapRenderer renderer) {
+        if (!USE_HARDWARE_BITMAP) {
+            return createSoftwareBitmap(width, height, renderer);
+        }
+
+        Picture picture = new Picture();
+        renderer.draw(picture.beginRecording(width, height));
+        picture.endRecording();
+        return Bitmap.createBitmap(picture);
+    }
+
+    void draw(Canvas out);
+}