/** Starts new Activity to display Homography transformation */
@Override
public void onClick(View v) {
if (v.getId() == transformButton.getId()) {
transformButton.setEnabled(false);
// Remove all but the two base imagess
Pair<Bitmap, Bitmap> imagesToAdd = tranBuilder.getWarpedImages();
if (imagesToAdd == null) {
// Notify User
mExpandedImageText.setText("Tranformation is not ready just Yet");
return;
} else mExpandedImageText.setText(R.string.show_exp_image);
mImageAdapter.setWarpedImage(imagesToAdd.first);
mImageAdapter.setInvertedWarpedImage(imagesToAdd.second);
// Start transformation process
transformButton.setEnabled(true);
// Allow user to look for OCR conversion
ocrButton.setEnabled(true);
} else if (v.getId() == ocrButton.getId()) {
// No support for filePath
if (ocrIntent == null) return;
// TODO
Bitmap warp = tranBuilder.getWarpedImages().first;
Uri uri = Utility.saveBitmapToFile(warp, WARPED_PATH);
ocrIntent.putExtra(WARPED_SOURCE_EXTRA, uri);
startActivity(ocrIntent);
}
}
@Override
public void OnKeypointsFoundForOther(Mat image) {
Bitmap disp =
Bitmap.createBitmap(
image.cols(), image.rows(), Bitmap.Config.ARGB_8888); // Android uses ARGB_8888
Utils.matToBitmap(image, disp);
mImageAdapter.setOtherKeyPointImage(disp);
}
@Override
public void OnHomographyStored(TransformInfo storage) {
// Draw the key point matches and put in gallery
Mat matches = storage.getMatchImage();
// Must convert to Bitmap from Mat
Bitmap disp =
Bitmap.createBitmap(
matches.cols(), matches.rows(), Bitmap.Config.ARGB_8888); // Android uses ARGB_8888
Utils.matToBitmap(matches, disp);
mImageAdapter.setPutativeImageWithLinesImage(disp);
// Ready to show display reset text
mExpandedImageText.setText(R.string.show_exp_image);
boolean ready = mCVLibraryInitialized;
transformButton.setEnabled(ready);
}
// Called when a started intent returns
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
String message = null;
if (resultCode != RESULT_OK) {
Toast t = Toast.makeText(this, "Failed to load image", Toast.LENGTH_SHORT);
t.show();
return;
}
// Assign the view to change based on who sent the request
// There are two positions possibles
int position = requestCode;
// Check if file path or uri image source
String filePath = data.getExtras().getString(BaseImageTaker.INTENT_RESULT_IMAGE_PATH);
// Depending on how image was obtained,
// obtain a Bitmap image of object
// Getting source of the image
Bitmap image = null;
// Decode File path f
if (filePath == null) {
// query the data
Uri pickedUri = data.getExtras().getParcelable(BaseImageTaker.INTENT_RESULT_IMAGE_URI);
image = getBitmapFromURIviaInputStream(getContentResolver(), pickedUri);
if (ocrIntent == null) {
// TODO Add class for this intent
ocrIntent = new Intent(this, DisplayReaderActivity.class);
}
// Set the data for
if (position == 0) {
// For reference image
ocrIntent.putExtra(BASE_SOURCE_TYPE_EXTRA, URI_TYPE_EXTRA);
ocrIntent.putExtra(BASE_SOURCE_EXTRA, pickedUri);
} else if (position == 1) {
// For other image
ocrIntent.putExtra(QUERY_SOURCE_TYPE_EXTRA, URI_TYPE_EXTRA);
ocrIntent.putExtra(QUERY_SOURCE_EXTRA, pickedUri);
}
} else {
// Assign target dimension to read in images
int targetWidth = TARGET_HEIGHT;
int targetHeight = TARGET_WIDTH;
BitmapFactory.Options bmpOptions = new BitmapFactory.Options();
bmpOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFile(filePath, bmpOptions);
int currHeight = bmpOptions.outHeight;
int currWidth = bmpOptions.outWidth;
int sampleSize = 1;
{
// use either width or height
if ((currWidth > currHeight))
sampleSize = Math.round((float) currHeight / (float) targetHeight);
else sampleSize = Math.round((float) currWidth / (float) targetWidth);
}
bmpOptions.inSampleSize = sampleSize;
bmpOptions.inJustDecodeBounds = false;
// decode the file with restricted sizee
image = BitmapFactory.decodeFile(filePath, bmpOptions);
}
// Update the adapter and transform builder
if (image == null) {
message = "Null image cannot display";
Log.e(TAG, message);
return;
} else {
// Display the image in the gallery
mImageAdapter.setImage(image, position);
// Update the transformation process
if (position == 0) tranBuilder.setReferenceImage(image);
else if (position == 1) tranBuilder.setOtherImage(image);
}
}
