1 files changed, 122 insertions, 0 deletions
diff --git a/app/src/main/java/net/lacolaco/smileessence/util/BitmapOptimizer.kt b/app/src/main/java/net/lacolaco/smileessence/util/BitmapOptimizer.kt
new file mode 100644
index 00000000..b49c9f08
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+++ b/app/src/main/java/net/lacolaco/smileessence/util/BitmapOptimizer.kt
@@ -0,0 +1,122 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2012-2014 lacolaco.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.lacolaco.smileessence.util
+
+import android.app.Activity
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Matrix
+import android.media.ExifInterface
+import android.os.Environment
+import net.lacolaco.smileessence.logging.Logger
+
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+import java.io.OutputStream
+
+object BitmapOptimizer {
+
+    // -------------------------- STATIC METHODS --------------------------
+
+    fun rotateImageByExif(activity: Activity, filePath: String): String {
+        var filePath = filePath
+        filePath = filePath.replace("file://", "")
+        val degree = getRotateDegreeFromExif(filePath)
+        if (degree > 0) {
+            var out: OutputStream? = null
+            var bitmap: Bitmap? = null
+            var rotatedImage: Bitmap? = null
+            try {
+                val mat = Matrix()
+                mat.postRotate(degree.toFloat())
+                val opt = BitmapFactory.Options()
+                opt.inJustDecodeBounds = true
+                BitmapFactory.decodeFile(filePath, opt)
+                val width = 480
+                var scale = 1
+                if (opt.outWidth > width) {
+                    scale = opt.outWidth / width + 2
+                }
+                opt.inJustDecodeBounds = false
+                opt.inSampleSize = scale
+                bitmap = BitmapFactory.decodeFile(filePath, opt)
+                rotatedImage = Bitmap.createBitmap(bitmap, 0, 0, bitmap!!.width, bitmap.height, mat, true)
+                val file = File(filePath)
+                val outPath = activity.getExternalFilesDir(Environment.DIRECTORY_PICTURES).toString() + "/" + file.name
+                Logger.debug(outPath)
+                out = FileOutputStream(outPath)
+                rotatedImage!!.compress(Bitmap.CompressFormat.JPEG, 100, out)
+                return outPath
+            } catch (e: Exception) {
+                e.printStackTrace()
+                Logger.error(e)
+            } finally {
+                if (out != null) {
+                    try {
+                        out.close()
+                    } catch (e: IOException) {
+                        e.printStackTrace()
+                        Logger.error(e)
+                    }
+
+                }
+                if (bitmap != null) {
+                    bitmap.recycle()
+                }
+                if (rotatedImage != null) {
+                    rotatedImage.recycle()
+                }
+            }
+        }
+        return filePath
+    }
+
+    private fun getRotateDegreeFromExif(filePath: String): Int {
+        var degree = 0
+        try {
+            val exifInterface = ExifInterface(filePath)
+            val orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED)
+            if (orientation == ExifInterface.ORIENTATION_ROTATE_90) {
+                degree = 90
+            } else if (orientation == ExifInterface.ORIENTATION_ROTATE_180) {
+                degree = 180
+            } else if (orientation == ExifInterface.ORIENTATION_ROTATE_270) {
+                degree = 270
+            }
+            if (degree != 0) {
+                exifInterface.setAttribute(ExifInterface.TAG_ORIENTATION, "0")
+                exifInterface.saveAttributes()
+            }
+        } catch (e: IOException) {
+            degree = -1
+            e.printStackTrace()
+            Logger.error(e)
+        }
+
+        Logger.debug("Exif degree = " + degree)
+        return degree
+    }
+}