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/*
* Copyright (C) 2010 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.camera.ui;
import android.graphics.Rect;
import javax.microedition.khronos.opengles.GL11;
public class PopupWindowStencilImpl extends PopupWindow {
@Override
protected void renderBackground(GLRootView rootView, GL11 gl) {
int width = getWidth();
int height = getHeight();
int aWidth = mAnchor.getWidth();
int aHeight = mAnchor.getHeight();
Rect p = mPaddings;
int aXoffset = width - aWidth;
int aYoffset = Math.max(p.top, mAnchorPosition - aHeight / 2);
aYoffset = Math.min(aYoffset, height - p.bottom - aHeight);
if (mAnchor != null) {
gl.glStencilOp(GL11.GL_KEEP, GL11.GL_KEEP, GL11.GL_REPLACE);
gl.glStencilFunc(GL11.GL_ALWAYS, 1, 1);
mAnchor.draw(rootView, aXoffset, aYoffset);
gl.glStencilFunc(GL11.GL_NOTEQUAL, 1, 1);
gl.glStencilOp(GL11.GL_KEEP, GL11.GL_KEEP, GL11.GL_KEEP);
}
if (mBackground != null) {
mBackground.setSize(width - aWidth + mAnchorOffset, height);
mBackground.draw(rootView, 0, 0);
}
}
}
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