| /* |
| * 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.gallery3d.ui; |
| |
| import android.content.Context; |
| import android.graphics.Color; |
| import android.graphics.Rect; |
| |
| public class Label extends GLView { |
| private static final String TAG = "Label"; |
| public static final int NULL_ID = 0; |
| |
| private static final int FONT_SIZE = 18; |
| private static final int FONT_COLOR = Color.WHITE; |
| |
| private String mText; |
| private StringTexture mTexture; |
| private int mFontSize, mFontColor; |
| |
| public Label(Context context, int stringId, |
| int fontSize, int fontColor) { |
| this(context, context.getString(stringId), fontSize, fontColor); |
| } |
| |
| public Label(Context context, int stringId) { |
| this(context, stringId, FONT_SIZE, FONT_COLOR); |
| } |
| |
| public Label(Context context, String text) { |
| this(context, text, FONT_SIZE, FONT_COLOR); |
| } |
| |
| public Label(Context context, String text, int fontSize, int fontColor) { |
| //TODO: cut the text if it is too long |
| mText = text; |
| mTexture = StringTexture.newInstance(text, fontSize, fontColor); |
| mFontSize = fontSize; |
| mFontColor = fontColor; |
| } |
| |
| public void setText(String text) { |
| if (!mText.equals(text)) { |
| mText = text; |
| mTexture = StringTexture.newInstance(text, mFontSize, mFontColor); |
| requestLayout(); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthSpec, int heightSpec) { |
| int width = mTexture.getWidth(); |
| int height = mTexture.getHeight(); |
| MeasureHelper.getInstance(this) |
| .setPreferredContentSize(width, height) |
| .measure(widthSpec, heightSpec); |
| } |
| |
| @Override |
| protected void render(GLCanvas canvas) { |
| Rect p = mPaddings; |
| |
| int width = getWidth() - p.left - p.right; |
| int height = getHeight() - p.top - p.bottom; |
| |
| int xoffset = p.left + (width - mTexture.getWidth()) / 2; |
| int yoffset = p.top + (height - mTexture.getHeight()) / 2; |
| |
| mTexture.draw(canvas, xoffset, yoffset); |
| } |
| } |