diff options
Diffstat (limited to 'src/org/cyanogenmod/themes/provider/util/LayoutRenderUtils.java')
-rw-r--r-- | src/org/cyanogenmod/themes/provider/util/LayoutRenderUtils.java | 49 |
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; + } +} |