1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera.ui; 18 19 import android.graphics.Rect; 20 21 import javax.microedition.khronos.opengles.GL11; 22 23 public class PopupWindowStencilImpl extends PopupWindow { 24 25 @Override 26 protected void renderBackground(GLRootView rootView, GL11 gl) { 27 int width = getWidth(); 28 int height = getHeight(); 29 int aWidth = mAnchor.getWidth(); 30 int aHeight = mAnchor.getHeight(); 31 32 Rect p = mPaddings; 33 int aXoffset = width - aWidth; 34 int aYoffset = Math.max(p.top, mAnchorPosition - aHeight / 2); 35 aYoffset = Math.min(aYoffset, height - p.bottom - aHeight); 36 37 if (mAnchor != null) { 38 gl.glStencilOp(GL11.GL_KEEP, GL11.GL_KEEP, GL11.GL_REPLACE); 39 gl.glStencilFunc(GL11.GL_ALWAYS, 1, 1); 40 mAnchor.draw(rootView, aXoffset, aYoffset); 41 gl.glStencilFunc(GL11.GL_NOTEQUAL, 1, 1); 42 gl.glStencilOp(GL11.GL_KEEP, GL11.GL_KEEP, GL11.GL_KEEP); 43 } 44 45 if (mBackground != null) { 46 mBackground.setSize(width - aWidth + mAnchorOffset, height); 47 mBackground.draw(rootView, 0, 0); 48 } 49 } 50 } 51
