Daniel,
In my case, the large image is read from storage resized then saved to
storage.
Dave Truby
On Apr 12, 2015 12:37 AM, "Daniel Chacon" <cuban...@gmail.com> wrote:
> So what you are doing is resizing before or after being saved or uploaded?
>
> On Sat, Apr 11, 2015 at 6:59 AM, Dave Truby <detr...@gmail.com> wrote:
>
>> Dan,
>>
>> I am doing the following in my Over Time app. Maybe it helps you.
>>
>>
>> File aThumbnail = new File(pDir, TbsFile.THUMBNAIL_FILENAME);
>>
>> final float aRatio = (float) pPictureWidth / (float) pPictureHeight;
>>
>> final int aThumbnailWidth = Math.round(pThumbnailHeight * aRatio);
>>
>> final BitmapFactory.Options anOptions = new BitmapFactory.Options();
>>
>> anOptions.inJustDecodeBounds = false;
>>
>> anOptions.inSampleSize = this.calculateInSampleSize(pPictureWidth,
>> pPictureHeight, aThumbnailWidth, pThumbnailHeight);
>>
>> Bitmap aBitmap =
>> BitmapFactory.decodeFile(pImageToMakeThumbnail.getAbsolutePath(),
>> anOptions);
>>
>> Bitmap aScaledBitmap = Bitmap.createScaledBitmap(aBitmap,
>> aThumbnailWidth, pThumbnailHeight, true);
>>
>> this.saveThumbnail(pContext, aThumbnail, aScaledBitmap);
>>
>> aScaledBitmap.recycle();
>>
>> }
>>
>> private int calculateInSampleSize(final int pPictureWidth, final int
>> pPictureHeight,
>>
>> final int pThumbnailWidth, final int pThumbnailHeight) {
>>
>> int aInSampleSize = 1;
>>
>> if (pPictureHeight > pThumbnailHeight || pPictureWidth >
>> pThumbnailWidth) {
>>
>> final int aHeightRatio = Math.round((float) pPictureHeight / (float)
>> pThumbnailHeight);
>>
>> final int aWidthRatio = Math.round((float) pPictureWidth / (float)
>> pThumbnailWidth);
>>
>> aInSampleSize = aHeightRatio < aWidthRatio ? aHeightRatio : aWidthRatio;
>>
>> }
>>
>> return aInSampleSize;
>>
>> }
>>
>> private void saveThumbnail(final Context pContext, final File
>> pThumbnail, final Bitmap pScaledBitmap) {
>>
>> boolean isCreated = false;
>>
>> FileOutputStream anOutputStream = null;
>>
>> try {
>>
>> anOutputStream = new FileOutputStream(pThumbnail);
>>
>> pScaledBitmap.compress(Bitmap.CompressFormat.JPEG,
>>
>> TbsCreateThumbnailAsyncTask.JPEG_COMPRESSION, anOutputStream);
>>
>> isCreated = true;
>>
>> } catch (IOException anIoEx) {
>>
>> this.error("saveThumbnail()", anIoEx);
>>
>> } catch (Exception anEx) {
>>
>> this.error("saveThumbnail()", anEx);
>>
>> } finally {
>>
>> if (null != anOutputStream) {
>>
>> try {
>>
>> anOutputStream.close();
>>
>> } catch (IOException e) {
>>
>> // nothing
>>
>> }
>>
>> }
>>
>> if (isCreated) {
>>
>> MediaScannerConnection.scanFile(pContext,
>>
>> new String[] { pThumbnail.getAbsolutePath() }, null,
>>
>> new MediaScannerConnection.OnScanCompletedListener() {
>>
>> @Override
>>
>> public void onScanCompleted(final String pPath, final Uri pUri) {
>>
>> TbsCreateThumbnailAsyncTask.this.info("onScanCompleted()", "Scanned
>> thumbnail " + pPath + TbsLog.PERIOD);
>>
>> }
>>
>> });
>>
>> }
>>
>> }
>>
>> }
>>
>>
>> On Friday, April 10, 2015 at 5:27:42 PM UTC-4, Dan Cha wrote:
>>>
>>> So ive been reading a few posts some using Bitmap.createScaledBitmap,
>>> some using .compress feature and each one i try, never throws an exception
>>> or error, but file never gets resized.
>>>
>>> I found this routine, but it doesnt do anything as far as the image
>>> taken. So basically within my app i allow the user to take a pic to attach
>>> to the submission.
>>> When you take the image, it displays a thumbnail on the screen, at this
>>> point the image is already saved to the phones gallery.
>>> I need to resize it (without changing the proportions) to make sure that
>>> the image is no larger than 200px wide or high because once you submit the
>>> form, im uploading the image to our server.
>>>
>>> public Bitmap getResizedBitmap(Bitmap bm, int newWidth, int newHeight) {
>>> int width = bm.getWidth();
>>> int height = bm.getHeight();
>>> float scaleWidth = ((float) newWidth) / width;
>>> float scaleHeight = ((float) newHeight) / height;
>>> // CREATE A MATRIX FOR THE MANIPULATION
>>> Matrix matrix = new Matrix();
>>> // RESIZE THE BIT MAP
>>> matrix.postScale(scaleWidth, scaleHeight);
>>>
>>> // "RECREATE" THE NEW BITMAP
>>> Bitmap resizedBitmap = Bitmap.createBitmap(bm, 0, 0, width, height,
>>> matrix, false);
>>> return resizedBitmap;}
>>>
>>>
>>> When the user clicks the image button on the screen, the camera opens and
>>> allows them to take the pic, ive tried to call the above routine within
>>> this event after everything so that i know the file is created and exists.
>>>
>>>
>>> Here is the event for that:
>>>
>>> private ImageButton.OnClickListener takePicture_Button_listener = new
>>> ImageButton.OnClickListener()
>>> {
>>> public void onClick(View v)
>>> {
>>> StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
>>> .detectDiskReads()
>>> .detectDiskWrites()
>>> .detectNetwork()
>>> .penaltyLog()
>>> .build());
>>> // create Intent to take a picture and return control to the
>>> calling application
>>> Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
>>>
>>> //User fileUri for full path to image taken.
>>> fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE); // create a
>>> file to save the image
>>> fname =
>>> fileUri.toString().substring(fileUri.toString().lastIndexOf("/")+1);
>>> intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the
>>> image file name
>>>
>>> // start the image capture Intent
>>> startActivityForResult(intent,
>>> CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);
>>> }
>>> };
>>>
>>>
>>> Ive tried to use it here after the previewCapturedImage routine is called
>>> and ive even tried the currently commented out code seen below and neither
>>> modify the file.
>>>
>>>
>>> protected void onActivityResult(int requestCode, int resultCode, Intent
>>> data)
>>> {
>>> if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE &&
>>> resultCode == RESULT_OK)
>>> {
>>> previewCapturedImage();
>>> //Bitmap bitmap = BitmapFactory.decodeFile(fileUri.getPath());
>>> //getResizedBitmap(bitmap,200,200);
>>> }
>>> else if (resultCode == RESULT_CANCELED)
>>> {
>>> // User cancelled the image capture
>>> Toast.makeText(this, "Image Capture Cancelled:\n" +
>>> data.getData(), Toast.LENGTH_LONG).show();
>>> }
>>> else
>>> {
>>> // Image capture failed, advise user
>>> Toast.makeText(this, "Image Capture Failed:\n" +
>>> data.getData(), Toast.LENGTH_LONG).show();
>>> }
>>> }
>>>
>>>
>>> Where can i properly resize the image, either during or after its taken so
>>> that the actual image stored on the device is within my size requirements
>>> and file size, currently since its not resizing its creating a 4mb file
>>> which takes forever to upload and has some huge dimensions(5213x2988) I
>>> just need to make sure that the full size image is no larger than 200px
>>> width or height, it obvisously needs to keep its proportions, but the max
>>> cant be any larger than 200px
>>>
>>> --
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