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/*
* Copyright (C) 2014 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.camera;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.RectF;
import android.view.TextureView;
import android.view.View;
import android.view.ViewGroup;
import com.android.camera.debug.Log;
import com.android.camera.ui.CountDownView;
import com.android.camera.ui.PreviewOverlay;
import com.android.camera.ui.PreviewOverlay.OnZoomChangedListener;
import com.android.camera.ui.PreviewStatusListener;
import com.android.camera.ui.ProgressOverlay;
import com.android.camera.ui.focus.FocusRing;
import com.android.camera2.R;
/**
* Contains the UI for the CaptureModule.
*/
public class CaptureModuleUI implements PreviewStatusListener.PreviewAreaChangedListener {
public interface CaptureModuleUIListener {
public void onZoomRatioChanged(float zoomRatio);
}
private static final Log.Tag TAG = new Log.Tag("CaptureModuleUI");
private final CameraActivity mActivity;
private final CaptureModuleUIListener mListener;
private final View mRootView;
private final PreviewOverlay mPreviewOverlay;
private final ProgressOverlay mProgressOverlay;
private final TextureView mPreviewView;
private final FocusRing mFocusRing;
private final CountDownView mCountdownView;
private int mPreviewAreaWidth;
private int mPreviewAreaHeight;
/** Maximum zoom; intialize to 1.0 (disabled) */
private float mMaxZoom = 1f;
/** Set up listener to receive zoom changes from View and send to module. */
private final OnZoomChangedListener mZoomChangedListener = new OnZoomChangedListener() {
@Override
public void onZoomValueChanged(float ratio) {
mListener.onZoomRatioChanged(ratio);
}
@Override
public void onZoomStart() {
}
@Override
public void onZoomEnd() {
}
};
public CaptureModuleUI(CameraActivity activity, View parent, CaptureModuleUIListener listener) {
mActivity = activity;
mListener = listener;
mRootView = parent;
ViewGroup moduleRoot = (ViewGroup) mRootView.findViewById(R.id.module_layout);
mActivity.getLayoutInflater().inflate(R.layout.capture_module, moduleRoot, true);
mPreviewView = (TextureView) mRootView.findViewById(R.id.preview_content);
mPreviewOverlay = (PreviewOverlay) mRootView.findViewById(R.id.preview_overlay);
mProgressOverlay = (ProgressOverlay) mRootView.findViewById(R.id.progress_overlay);
mFocusRing = (FocusRing) mRootView.findViewById(R.id.focus_ring);
mCountdownView = (CountDownView) mRootView.findViewById(R.id.count_down_view);
}
/**
* Getter for the width of the visible area of the preview.
*/
public int getPreviewAreaWidth() {
return mPreviewAreaWidth;
}
/**
* Getter for the height of the visible area of the preview.
*/
public int getPreviewAreaHeight() {
return mPreviewAreaHeight;
}
public Matrix getPreviewTransform(Matrix m) {
return mPreviewView.getTransform(m);
}
public FocusRing getFocusRing() {
return mFocusRing;
}
public void showDebugMessage(String message) {
/* NoOp */
}
/**
* Starts the countdown timer.
*
* @param sec seconds to countdown
*/
public void startCountdown(int sec) {
mCountdownView.startCountDown(sec);
}
/**
* Sets a listener that gets notified when the countdown is finished.
*/
public void setCountdownFinishedListener(CountDownView.OnCountDownStatusListener listener) {
mCountdownView.setCountDownStatusListener(listener);
}
/**
* Returns whether the countdown is on-going.
*/
public boolean isCountingDown() {
return mCountdownView.isCountingDown();
}
/**
* Cancels the on-going countdown, if any.
*/
public void cancelCountDown() {
mCountdownView.cancelCountDown();
}
/**
* Sets the progress of the gcam picture taking.
*
* @param percent amount of process done in percent 0-100.
*/
public void setPictureTakingProgress(int percent) {
mProgressOverlay.setProgress(percent);
}
public Bitmap getBitMapFromPreview() {
Matrix m = new Matrix();
m = getPreviewTransform(m);
Bitmap src = mPreviewView.getBitmap();
return Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), m, true);
}
/**
* Enables zoom UI, setting maximum zoom.
* Called from Module when camera is available.
*
* @param maxZoom maximum zoom value.
*/
public void initializeZoom(float maxZoom) {
mMaxZoom = maxZoom;
mPreviewOverlay.setupZoom(mMaxZoom, 0, mZoomChangedListener);
}
@Override
public void onPreviewAreaChanged(RectF previewArea) {
// TODO: mFaceView.onPreviewAreaChanged(previewArea);
mCountdownView.onPreviewAreaChanged(previewArea);
mProgressOverlay.setBounds(previewArea);
}
}
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