package eu.siacs.conversations.persistance; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.math.BigInteger; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import android.util.Log; import eu.siacs.conversations.entities.Conversation; public class FileBackend { private static int IMAGE_SIZE = 1920; private Context context; public FileBackend(Context context) { this.context = context; } public File copyImageToPrivateStorage(Conversation conversation, Uri image) { try { InputStream is = context.getContentResolver().openInputStream(image); String prefix = context.getFilesDir().getAbsolutePath(); String path = prefix+"/"+conversation.getAccount().getJid()+"/"+conversation.getContactJid(); String filename =new BigInteger(""+System.currentTimeMillis()).toString(32) + ".webp"; File file = new File(path+"/"+filename); file.getParentFile().mkdirs(); file.createNewFile(); OutputStream os = new FileOutputStream(file); Bitmap originalBitmap = BitmapFactory.decodeStream(is); is.close(); int w = originalBitmap.getWidth(); int h = originalBitmap.getHeight(); boolean success; if (Math.max(w, h) > IMAGE_SIZE) { int scalledW; int scalledH; if (w<=h) { scalledW = (int) (w / ((double) h/IMAGE_SIZE)); scalledH = IMAGE_SIZE; } else { scalledW = IMAGE_SIZE; scalledH = (int) (h / ((double) w/IMAGE_SIZE)); } Bitmap scalledBitmap = Bitmap.createScaledBitmap(originalBitmap, scalledW,scalledH, true); success = scalledBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os); } else { success = originalBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os); } if (!success) { Log.d("xmppService","couldnt compress"); } os.close(); return file; } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } }