1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
package cn.flightfeather.thirdappmodule.module.common
 
import android.app.Activity
import android.content.Intent
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.Matrix
import android.media.ExifInterface
import android.os.Bundle
import android.os.Environment.DIRECTORY_PICTURES
import android.view.View
import cn.flightfeather.thirdappmodule.R
import cn.flightfeather.thirdappmodule.module.base.BaseActivity
import cn.flightfeather.thirdappmodule.module.base.BaseTakePicActivity
import cn.flightfeather.thirdappmodule.util.DateFormatter
import cn.flightfeather.thirdappmodule.util.location.LocationUtil
import cn.flightfeather.thirdappmodule.util.photo.ExifHelper
import cn.flightfeather.thirdappmodule.util.photo.ImageMergeUtil
import com.otaliastudios.cameraview.CameraListener
import com.otaliastudios.cameraview.CameraOptions
import io.reactivex.Observable
import kotlinx.android.synthetic.main.activity_camera.*
import java.io.File
import java.io.FileOutputStream
import java.util.*
 
/**
 *
 */
class CameraActivity : BaseActivity(), View.OnClickListener {
 
    private lateinit var locationUtil: LocationUtil
 
    private lateinit var imageMergeUtil: ImageMergeUtil
 
    override fun getLayoutId(): Int =R.layout.activity_camera
 
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        initCamera()
        initLocation()
    }
 
    override fun onResume() {
        camera_view.start()
        super.onResume()
    }
 
    override fun onPause() {
        camera_view.stop()
        super.onPause()
    }
 
    override fun onDestroy() {
        locationUtil.onDestroy()
        super.onDestroy()
    }
 
    private fun initCamera() {
        imageMergeUtil = ImageMergeUtil(this)
        camera_view.addCameraListener(object : CameraListener() {
            override fun onCameraOpened(options: CameraOptions) {
                super.onCameraOpened(options)
                btn_shot.setOnClickListener(this@CameraActivity)
            }
 
 
            override fun onPictureTaken(jpeg: ByteArray?) {
                super.onPictureTaken(jpeg)
                val d = Observable.create<String> {
                    jpeg?.let {
                        var b = toBitmap(it)
                        val x = txt_location.x - camera_view.x
                        val y = txt_location.y - camera_view.y
                        b?.let {bitmap ->
                            b = imageMergeUtil.mergeText(bitmap, txt_location.text.toString(), Pair(x, y))
                            // todo: 2020/5/31 保存图片
//                            SystemServiceUtils.saveBitmap(0)
                        }
                    }
                }
                val pathList = arrayListOf<String>()
                val intent = Intent()
                intent.putStringArrayListExtra(BaseTakePicActivity.EXTRA_SELECT_IMAGES, pathList)
                setResult(Activity.RESULT_OK, intent)
                onBackPressed()
            }
 
            override fun onCameraClosed() {
                super.onCameraClosed()
                onBackPressed()
            }
        })
    }
 
    private fun initLocation() {
        locationUtil = LocationUtil(this)
        locationUtil.startLocation {
            val date = Date()
            val time = DateFormatter.dateTimeFormat3.format(date)
            val locationInfo = "经度: ${it.longitude}" +
                    "\n纬度: ${it.latitude}" +
                    "\n地址: ${it.address}" +
                    "\n时间: $time"
            runOnUiThread {
                txt_location.text = locationInfo
            }
        }
    }
 
    override fun onClick(v: View?) {
        camera_view.capturePicture()
    }
 
    private fun toBitmap(source: ByteArray): Bitmap? {
        var orientation: Int
        var flip: Boolean
        var outputStream: FileOutputStream? = null
 
        try {
            val file = File(getExternalFilesDir(DIRECTORY_PICTURES), "IMG_${Date().time}.jpeg")
            outputStream = FileOutputStream(file)
            outputStream.write(source)
            val exif = ExifInterface(file.absolutePath)
            val exifOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                    ExifInterface.ORIENTATION_NORMAL)
            orientation = ExifHelper.getOrientation(exifOrientation)
            flip = exifOrientation == ExifInterface.ORIENTATION_FLIP_HORIZONTAL ||
                    exifOrientation == ExifInterface.ORIENTATION_FLIP_VERTICAL ||
                    exifOrientation == ExifInterface.ORIENTATION_TRANSPOSE ||
                    exifOrientation == ExifInterface.ORIENTATION_TRANSVERSE
        } catch (e: Exception) {
            e.printStackTrace()
            orientation = 0
            flip = false
        } finally {
            outputStream?.flush()
            outputStream?.close()
        }
 
        var bitmap: Bitmap?
        try {
            bitmap = BitmapFactory.decodeByteArray(source, 0, source.size)
            if (orientation != 0 || flip) {
                val matrix = Matrix()
                matrix.setRotate(orientation.toFloat())
                val temp = bitmap
                bitmap = Bitmap.createBitmap(bitmap!!, 0, 0, bitmap.width,
                        bitmap.height, matrix, true)
                temp!!.recycle()
            }
        } catch (e: OutOfMemoryError) {
            bitmap = null
        }
        return bitmap
    }
}