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.gallery3d.ui; 18 19 import android.content.Context; 20 import android.graphics.Rect; 21 22 public class Icon extends GLView { 23 private final BasicTexture mIcon; 24 25 // The width and height requested by the user. 26 private int mReqWidth; 27 private int mReqHeight; 28 Icon(Context context, int iconId, int width, int height)29 public Icon(Context context, int iconId, int width, int height) { 30 this(context, new ResourceTexture(context, iconId), width, height); 31 } 32 Icon(Context context, BasicTexture icon, int width, int height)33 public Icon(Context context, BasicTexture icon, int width, int height) { 34 mIcon = icon; 35 mReqWidth = width; 36 mReqHeight = height; 37 } 38 39 @Override onMeasure(int widthSpec, int heightSpec)40 protected void onMeasure(int widthSpec, int heightSpec) { 41 MeasureHelper.getInstance(this) 42 .setPreferredContentSize(mReqWidth, mReqHeight) 43 .measure(widthSpec, heightSpec); 44 } 45 46 @Override render(GLCanvas canvas)47 protected void render(GLCanvas canvas) { 48 Rect p = mPaddings; 49 50 int width = getWidth() - p.left - p.right; 51 int height = getHeight() - p.top - p.bottom; 52 53 // Draw the icon in the center of the space 54 int xoffset = p.left + (width - mReqWidth) / 2; 55 int yoffset = p.top + (height - mReqHeight) / 2; 56 57 mIcon.draw(canvas, xoffset, yoffset, mReqWidth, mReqHeight); 58 } 59 } 60