List of usage examples for android.graphics.drawable BitmapDrawable setFilterBitmap
@Override
public void setFilterBitmap(boolean filter)
From source file:Main.java
/** * This method of image pixelization utilizes the bitmap scaling operations built * into the framework. By downscaling the bitmap and upscaling it back to its * original size (while setting the filter flag to false), the same effect can be * achieved with much better performance. *///from w w w. ja v a 2s . c o m public static BitmapDrawable builtInPixelization(Context context, float pixelizationFactor, Bitmap bitmap) { int width = bitmap.getWidth(); int height = bitmap.getHeight(); int downScaleFactorWidth = (int) (pixelizationFactor * width); downScaleFactorWidth = downScaleFactorWidth > 0 ? downScaleFactorWidth : 1; int downScaleFactorHeight = (int) (pixelizationFactor * height); downScaleFactorHeight = downScaleFactorHeight > 0 ? downScaleFactorHeight : 1; int downScaledWidth = width / downScaleFactorWidth; int downScaledHeight = height / downScaleFactorHeight; Bitmap pixelatedBitmap = Bitmap.createScaledBitmap(bitmap, downScaledWidth, downScaledHeight, false); /* Bitmap's createScaledBitmap method has a filter parameter that can be set to either * true or false in order to specify either bilinear filtering or point sampling * respectively when the bitmap is scaled up or now. * * Similarly, a BitmapDrawable also has a flag to specify the same thing. When the * BitmapDrawable is applied to an ImageView that has some scaleType, the filtering * flag is taken into consideration. However, for optimization purposes, this flag was * ignored in BitmapDrawables before Jelly Bean MR1. * * Here, it is important to note that prior to JBMR1, two bitmap scaling operations * are required to achieve the pixelization effect. Otherwise, a BitmapDrawable * can be created corresponding to the downscaled bitmap such that when it is * upscaled to fit the ImageView, the upscaling operation is a lot faster since * it uses internal optimizations to fit the ImageView. * */ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { BitmapDrawable bitmapDrawable = new BitmapDrawable(context.getResources(), pixelatedBitmap); bitmapDrawable.setFilterBitmap(false); return bitmapDrawable; } else { Bitmap upscaled = Bitmap.createScaledBitmap(pixelatedBitmap, width, height, false); return new BitmapDrawable(context.getResources(), upscaled); } }
From source file:de.schildbach.wallet.ui.BitmapFragment.java
@Override public Dialog onCreateDialog(final Bundle savedInstanceState) { final Bundle args = getArguments(); final BitmapDrawable bitmap = new BitmapDrawable(getResources(), (Bitmap) args.getParcelable(KEY_BITMAP)); bitmap.setFilterBitmap(false); final Dialog dialog = new Dialog(activity); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); dialog.setContentView(R.layout.bitmap_dialog); dialog.setCanceledOnTouchOutside(true); final ImageView imageView = (ImageView) dialog.findViewById(R.id.bitmap_dialog_image); imageView.setImageDrawable(bitmap);/* w w w. j av a 2 s.com*/ imageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(final View v) { dismissAllowingStateLoss(); } }); return dialog; }
From source file:de.schildbach.wallet.ui.WalletAddressDialogFragment.java
@Override public Dialog onCreateDialog(final Bundle savedInstanceState) { final Bundle args = getArguments(); final Address address = (Address) args.getSerializable(KEY_ADDRESS); final String addressStr = address.toBase58(); final String addressLabel = args.getString(KEY_ADDRESS_LABEL); final Dialog dialog = new Dialog(activity); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); dialog.setContentView(R.layout.wallet_address_dialog); dialog.setCanceledOnTouchOutside(true); final String uri = BitcoinURI.convertToBitcoinURI(address, null, addressLabel, null); final BitmapDrawable bitmap = new BitmapDrawable(getResources(), Qr.bitmap(uri)); bitmap.setFilterBitmap(false); final ImageView imageView = (ImageView) dialog.findViewById(R.id.wallet_address_dialog_image); imageView.setImageDrawable(bitmap);/* www . ja v a 2 s . c om*/ final View labelButtonView = dialog.findViewById(R.id.wallet_address_dialog_label_button); final TextView labelView = (TextView) dialog.findViewById(R.id.wallet_address_dialog_label); final CharSequence label = WalletUtils.formatHash(addressStr, Constants.ADDRESS_FORMAT_GROUP_SIZE, Constants.ADDRESS_FORMAT_LINE_SIZE); labelView.setText(label); labelButtonView.setVisibility(View.VISIBLE); labelButtonView.setOnClickListener(new OnClickListener() { @Override public void onClick(final View v) { final Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); intent.putExtra(Intent.EXTRA_TEXT, addressStr); startActivity(Intent.createChooser(intent, getString(R.string.bitmap_fragment_share))); log.info("wallet address shared via intent: {}", addressStr); } }); final View hintView = dialog.findViewById(R.id.wallet_address_dialog_hint); hintView.setVisibility( getResources().getBoolean(R.bool.show_wallet_address_dialog_hint) ? View.VISIBLE : View.GONE); final View dialogView = dialog.findViewById(R.id.wallet_address_dialog_group); dialogView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(final View v) { dismiss(); } }); return dialog; }
From source file:net.sourceforge.servestream.fragment.NowPlayingFragment.java
private void updateNowPlaying() { if (mNowPlayingView == null) { return;//w w w. j a v a 2 s. c om } try { if (true && mService != null && mService.getAudioId() != -1) { Drawable d = null; SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity()); if (preferences.getBoolean(PreferenceConstants.RETRIEVE_ALBUM_ART, false)) { long id = mService.getAudioId(); if (id >= 0) { Bitmap b = BitmapFactory.decodeResource(getActivity().getResources(), R.drawable.albumart_mp_unknown_list); BitmapDrawable defaultAlbumIcon = new BitmapDrawable(getActivity().getResources(), b); // no filter or dither, it's a lot faster and we can't tell the difference defaultAlbumIcon.setFilterBitmap(false); defaultAlbumIcon.setDither(false); d = MusicUtils.getCachedArtwork(getActivity(), mService.getAudioId(), defaultAlbumIcon, true); } } if (d == null) { mCoverart.setVisibility(View.GONE); } else { mCoverart.setVisibility(View.VISIBLE); mCoverart.setImageDrawable(d); } mTitle.setSelected(true); mArtist.setSelected(true); CharSequence trackName = mService.getTrackName(); CharSequence artistName = mService.getArtistName(); if (trackName == null || trackName.equals(Media.UNKNOWN_STRING)) { mTitle.setText(R.string.widget_one_track_info_unavailable); } else { mTitle.setText(trackName); } if (artistName == null || artistName.equals(Media.UNKNOWN_STRING)) { artistName = mService.getMediaUri(); } mArtist.setText(artistName); if (mPreviousButton != null) { mPreviousButton.setImageResource(R.drawable.btn_player_prev); mPreviousButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { try { mService.prev(); } catch (RemoteException e) { } } }); } mPauseButton.setVisibility(View.VISIBLE); if (mService.isPlaying()) { mPauseButton.setImageResource(R.drawable.btn_playerpreview_pause); } else { mPauseButton.setImageResource(R.drawable.btn_playerpreview_play); } mPauseButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { try { if (mService.isPlaying()) { mService.pause(); } else { mService.play(); } } catch (RemoteException e) { } } }); if (mNextButton != null) { mNextButton.setImageResource(R.drawable.btn_player_next); mNextButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { try { mService.next(); } catch (RemoteException e) { } } }); } if (mNowPlayingView.getVisibility() != View.VISIBLE) { Animation fade_in = AnimationUtils.loadAnimation(getActivity(), R.anim.player_in); mNowPlayingView.startAnimation(fade_in); } mNowPlayingView.setVisibility(View.VISIBLE); mNowPlayingView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Context c = v.getContext(); c.startActivity(new Intent(c, MediaPlayerActivity.class)); } }); return; } } catch (RemoteException ex) { } Animation fade_out = AnimationUtils.loadAnimation(getActivity(), R.anim.player_out); mNowPlayingView.startAnimation(fade_out); mNowPlayingView.setVisibility(View.GONE); }