1 files changed, 49 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/themes/provider/util/LayoutRenderUtils.java b/src/org/cyanogenmod/themes/provider/util/LayoutRenderUtils.java
new file mode 100644
index 0000000..c174d8e
--- /dev/null
+++ b/src/org/cyanogenmod/themes/provider/util/LayoutRenderUtils.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014 The CyanogenMod 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 org.cyanogenmod.themes.provider.util;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.view.View;
+import android.widget.FrameLayout;
+
+public class LayoutRenderUtils {
+
+    public static Bitmap renderViewToBitmap(View view) {
+        // Provide it with a layout params. It should necessarily be wrapping the
+        // content as we not really going to have a parent for it.
+        view.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT,
+                FrameLayout.LayoutParams.WRAP_CONTENT));
+
+        // Pre-measure the view so that height and width don't remain null.
+        view.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
+                View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
+
+        // Assign a size and position to the view and all of its descendants
+        view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
+
+        // Create the bitmap
+        Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(),
+                view.getMeasuredHeight(),
+                Bitmap.Config.ARGB_8888);
+        // Create a canvas with the specified bitmap to draw into
+        Canvas c = new Canvas(bitmap);
+
+        // Render this view to the given Canvas
+        view.draw(c);
+        return bitmap;
+    }
+}