1 /* 2 * Copyright (C) 2009 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.content.Context; 20 import android.util.AttributeSet; 21 import android.util.Log; 22 import android.graphics.Canvas; 23 import android.view.ViewGroup; 24 import android.widget.FrameLayout; 25 import android.widget.TextView; 26 27 import com.android.camera.R; 28 29 // This is a rectangle that contains recording text view. Canvas is rotated 30 // before passing to recording text. 31 public class RotateRecordingTime extends FrameLayout { 32 private static final String TAG = "RotateRecordingTime"; 33 private float mTextSize; 34 private int mOrientation; 35 RotateRecordingTime(Context context, AttributeSet attrs)36 public RotateRecordingTime(Context context, AttributeSet attrs) { 37 super(context, attrs); 38 } 39 40 @Override onFinishInflate()41 protected void onFinishInflate() { 42 TextView v = (TextView) findViewById(R.id.recording_time); 43 mTextSize = (float) v.getTextSize(); 44 } 45 46 // degrees in counter-clockwise setOrientation(int degrees)47 public void setOrientation(int degrees) { 48 if (degrees % 90 == 0) { 49 mOrientation = degrees % 360; 50 if (mOrientation < 0) mOrientation += 360; 51 } else { 52 Log.e(TAG, "Invalid orientation=" + degrees); 53 } 54 } 55 56 @Override dispatchDraw(Canvas canvas)57 protected void dispatchDraw(Canvas canvas) { 58 canvas.save(); 59 float width = (float) getWidth(); 60 float height = (float) getHeight(); 61 if (mOrientation == 0 || mOrientation == 180) { 62 canvas.translate(0, height / 2 - mTextSize / 2); 63 } else { 64 canvas.translate(-width / 2 + mTextSize / 2, 0); 65 } 66 // Rotate the canvas in the opposite direction to compensate. 67 canvas.rotate(-mOrientation, width / 2, height / 2); 68 super.dispatchDraw(canvas); 69 canvas.restore(); 70 } 71 } 72 73