/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.camera;
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import android.graphics.Bitmap;
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import android.graphics.Matrix;
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import android.graphics.RectF;
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import android.view.TextureView;
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import android.view.View;
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import android.view.ViewGroup;
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import com.android.camera.debug.Log;
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import com.android.camera.ui.CountDownView;
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import com.android.camera.ui.PreviewOverlay;
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import com.android.camera.ui.PreviewOverlay.OnZoomChangedListener;
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import com.android.camera.ui.PreviewStatusListener;
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import com.android.camera.ui.ProgressOverlay;
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import com.android.camera.ui.focus.FocusRing;
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import com.android.camera2.R;
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/**
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* Contains the UI for the CaptureModule.
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*/
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public class CaptureModuleUI implements PreviewStatusListener.PreviewAreaChangedListener {
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public interface CaptureModuleUIListener {
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public void onZoomRatioChanged(float zoomRatio);
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}
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private static final Log.Tag TAG = new Log.Tag("CaptureModuleUI");
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private final CameraActivity mActivity;
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private final CaptureModuleUIListener mListener;
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private final View mRootView;
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private final PreviewOverlay mPreviewOverlay;
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private final ProgressOverlay mProgressOverlay;
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private final TextureView mPreviewView;
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private final FocusRing mFocusRing;
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private final CountDownView mCountdownView;
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private int mPreviewAreaWidth;
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private int mPreviewAreaHeight;
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/** Maximum zoom; intialize to 1.0 (disabled) */
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private float mMaxZoom = 1f;
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/** Set up listener to receive zoom changes from View and send to module. */
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private final OnZoomChangedListener mZoomChangedListener = new OnZoomChangedListener() {
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@Override
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public void onZoomValueChanged(float ratio) {
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mListener.onZoomRatioChanged(ratio);
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}
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@Override
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public void onZoomStart() {
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}
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@Override
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public void onZoomEnd() {
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}
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};
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public CaptureModuleUI(CameraActivity activity, View parent, CaptureModuleUIListener listener) {
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mActivity = activity;
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mListener = listener;
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mRootView = parent;
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ViewGroup moduleRoot = (ViewGroup) mRootView.findViewById(R.id.module_layout);
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mActivity.getLayoutInflater().inflate(R.layout.capture_module, moduleRoot, true);
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mPreviewView = (TextureView) mRootView.findViewById(R.id.preview_content);
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mPreviewOverlay = (PreviewOverlay) mRootView.findViewById(R.id.preview_overlay);
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mProgressOverlay = (ProgressOverlay) mRootView.findViewById(R.id.progress_overlay);
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mFocusRing = (FocusRing) mRootView.findViewById(R.id.focus_ring);
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mCountdownView = (CountDownView) mRootView.findViewById(R.id.count_down_view);
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}
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/**
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* Getter for the width of the visible area of the preview.
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*/
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public int getPreviewAreaWidth() {
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return mPreviewAreaWidth;
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}
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/**
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* Getter for the height of the visible area of the preview.
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*/
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public int getPreviewAreaHeight() {
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return mPreviewAreaHeight;
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}
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public Matrix getPreviewTransform(Matrix m) {
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return mPreviewView.getTransform(m);
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}
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public FocusRing getFocusRing() {
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return mFocusRing;
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}
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public void showDebugMessage(String message) {
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/* NoOp */
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}
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/**
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* Starts the countdown timer.
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*
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* @param sec seconds to countdown
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*/
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public void startCountdown(int sec) {
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mCountdownView.startCountDown(sec);
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}
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/**
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* Sets a listener that gets notified when the countdown is finished.
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*/
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public void setCountdownFinishedListener(CountDownView.OnCountDownStatusListener listener) {
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mCountdownView.setCountDownStatusListener(listener);
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}
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/**
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* Returns whether the countdown is on-going.
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*/
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public boolean isCountingDown() {
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return mCountdownView.isCountingDown();
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}
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/**
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* Cancels the on-going countdown, if any.
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*/
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public void cancelCountDown() {
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mCountdownView.cancelCountDown();
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}
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/**
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* Sets the progress of the gcam picture taking.
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*
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* @param percent amount of process done in percent 0-100.
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*/
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public void setPictureTakingProgress(int percent) {
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mProgressOverlay.setProgress(percent);
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}
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public Bitmap getBitMapFromPreview() {
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Matrix m = new Matrix();
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m = getPreviewTransform(m);
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Bitmap src = mPreviewView.getBitmap();
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return Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), m, true);
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}
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/**
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* Enables zoom UI, setting maximum zoom.
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* Called from Module when camera is available.
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*
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* @param maxZoom maximum zoom value.
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*/
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public void initializeZoom(float maxZoom) {
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mMaxZoom = maxZoom;
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mPreviewOverlay.setupZoom(mMaxZoom, 0, mZoomChangedListener);
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}
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@Override
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public void onPreviewAreaChanged(RectF previewArea) {
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// TODO: mFaceView.onPreviewAreaChanged(previewArea);
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mCountdownView.onPreviewAreaChanged(previewArea);
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mProgressOverlay.setBounds(previewArea);
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}
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}
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