List of usage examples for android.graphics BitmapFactory decodeFile
public static Bitmap decodeFile(String pathName, Options opts)
From source file:com.nd.pad.GreenBrowser.util.ImageDownloader.java
/** * //w ww. j a va 2 s.c o m * @ : getBitmapFromLocal * @ : * @ * @param url * @return * * @ * @2013-1-5 4:19:23 * @ * */ public Bitmap getBitmapFromLocal(String url, String parentFullFileName) { try { String filename = parentFullFileName + File.separator + convertUrlToFileName(url); BitmapFactory.Options opt = new BitmapFactory.Options(); opt.inPreferredConfig = Bitmap.Config.RGB_565; opt.inPurgeable = true; opt.inInputShareable = true; Bitmap bitmap = BitmapFactory.decodeFile(filename, opt); if (bitmap != null) { sHardBitmapCache.put(convertUrlToFileName(url), bitmap); } return bitmap; } catch (Exception e) { return null; } }
From source file:com.c4mprod.utils.ImageManager.java
public static Bitmap shrinkBitmap(String file, int width, int height) { try {/* ww w .j a v a 2 s. c o m*/ BitmapFactory.Options bmpFactoryOptions = new BitmapFactory.Options(); bmpFactoryOptions.inJustDecodeBounds = true; bmpFactoryOptions.inPurgeable = true; bmpFactoryOptions.inInputShareable = true; Bitmap bitmap = BitmapFactory.decodeFile(file, bmpFactoryOptions); computeRatio(width, height, bmpFactoryOptions); bmpFactoryOptions.inJustDecodeBounds = false; bitmap = BitmapFactory.decodeFile(file, bmpFactoryOptions); return bitmap; } catch (OutOfMemoryError e) { // Log.d("ImprovedImageDownloader.shrinkBitmap():", "memory !"); return null; } }
From source file:com.nd.pad.GreenBrowser.util.ImageDownloader.java
/** * //from w ww. j a v a2s .c om * * @param filename * @param width * @param height * @return * MyGoPlusV3 * <pre> * * 2013-6-14 ? * </pre> */ public Bitmap loadResizedBitmap(String filename, double width, double height) { Bitmap bitmap = null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; options.inPreferredConfig = Bitmap.Config.RGB_565; BitmapFactory.decodeFile(filename, options); if (options.outHeight > 0 && options.outWidth > 0) { options.inJustDecodeBounds = false; if (options.outWidth > width && options.outHeight > height) { double scaleWidth = options.outWidth / width; double scaleHeight = options.outHeight / height; double minScale = scaleWidth < scaleHeight ? scaleWidth : scaleHeight; options.inSampleSize = (int) minScale; } bitmap = BitmapFactory.decodeFile(filename, options); } return bitmap; }
From source file:com.safecell.HomeScreenActivity.java
Bitmap getImageFromURI(Uri uri) {
Bitmap resizedBitmap = null;// ww w . j av a2s.c om
String abc = null;
if (uri != null) {
String str = uri.toString();
abc = str.substring(0, 1);
// Log.v("Safecell :" + "abc", str);
}
if (uri != null && abc.equalsIgnoreCase("c")) {
Uri selectedImage = uri;
// Log.v("Safecell :" + "Uri", selectedImage.toString());
String[] proj = { MediaColumns.DATA };
Cursor cursor = managedQuery(selectedImage, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaColumns.DATA);
cursor.moveToFirst();
String path = cursor.getString(column_index);
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 4;
resizedBitmap = BitmapFactory.decodeFile(path, options);
imageStoreInDatabase(resizedBitmap);
cursor.close();
return resizedBitmap;
} else if (uri != null && abc.equalsIgnoreCase("/")) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 4;
resizedBitmap = BitmapFactory.decodeFile(uri.getPath(), options);
imageStoreInDatabase(resizedBitmap);
return resizedBitmap;
}
return resizedBitmap;
}
From source file:com.xmobileapp.rockplayer.LastFmAlbumArtImporter.java
/********************************* * //from w ww . j a va2 s . c o m * creatAlbumArt * *********************************/ public Bitmap createAlbumArt(String artistName, String albumName, String albumArtURL) { String fileName = ((RockPlayer) context).FILEX_ALBUM_ART_PATH + validateFileName(artistName) + " - " + validateFileName(albumName) + FILEX_FILENAME_EXTENSION; validateFileName(fileName); File albumArtFile = new File(fileName); try { /* * Retreive Album */ albumArtFile.createNewFile(); FileOutputStream albumArtFileStream = new FileOutputStream(albumArtFile); /* * retreive URL */ BasicHttpParams params = new BasicHttpParams(); HttpConnectionParams.setConnectionTimeout(params, 10000); HttpConnectionParams.setSoTimeout(params, 10000); DefaultHttpClient httpClient = new DefaultHttpClient(params); // DefaultedHttpParams params = new DefaultedHttpParams(httpClient.getParams(), // httpClient.getParams()); // httpClient.setParams(params); HttpGet httpGet = new HttpGet(albumArtURL); HttpResponse response; HttpEntity entity; InputStream albumArtURLStream = null; response = httpClient.execute(httpGet); entity = response.getEntity(); // BufferedReader in = // new BufferedReader(new InputStreamReader( // entity.getContent())); albumArtURLStream = entity.getContent(); // URL albumArt = new URL(albumArtURL); // InputStream albumArtURLStream = albumArt.openStream(); byte buf[] = new byte[1024]; int len; while ((len = albumArtURLStream.read(buf)) >= 0) albumArtFileStream.write(buf, 0, len); albumArtFileStream.close(); albumArtURLStream.close(); /* * Rescale/Crop the Bitmap */ BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true; Bitmap albumArtBitmap = BitmapFactory.decodeFile(fileName, opts); if (opts.outHeight < 320 || opts.outWidth < 320) return null; int MAX_DIM = 460; int sampling = 1; if (Math.min(opts.outWidth, opts.outHeight) > MAX_DIM) { sampling = (int) Math.floor(Math.min(opts.outWidth, opts.outHeight) / MAX_DIM); } opts.inSampleSize = sampling; opts.inJustDecodeBounds = false; FileInputStream fileNameStream = new FileInputStream(fileName); albumArtBitmap = BitmapFactory.decodeStream(fileNameStream, null, opts); fileNameStream.close(); if (albumArtBitmap != null) { int dimension = Math.min(480, Math.min(albumArtBitmap.getHeight(), albumArtBitmap.getWidth())); Bitmap albumArtBitmapRescaled = Bitmap.createBitmap(albumArtBitmap, (int) Math.floor((albumArtBitmap.getWidth() - dimension) / 2), (int) Math.floor((albumArtBitmap.getHeight() - dimension) / 2), (int) dimension, (int) dimension); FileOutputStream rescaledAlbumArtFileStream; rescaledAlbumArtFileStream = new FileOutputStream(albumArtFile); albumArtBitmapRescaled.compress(Bitmap.CompressFormat.JPEG, 96, rescaledAlbumArtFileStream); rescaledAlbumArtFileStream.close(); if (albumArtBitmapRescaled != null) albumArtBitmapRescaled.recycle(); } else { albumArtFile.delete(); } if (albumArtBitmap != null) albumArtBitmap.recycle(); return albumArtBitmap; } catch (Exception e) { e.printStackTrace(); albumArtFile.delete(); return null; } catch (Error err) { err.printStackTrace(); return null; } }
From source file:com.eleybourn.bookcatalogue.utils.Utils.java
/** * If there is a '__thumbnails' key, pick the largest image, rename it * and delete the others. Finally, remove the key. * // w w w .j av a2 s . c o m * @param result Book data */ static public void cleanupThumbnails(Bundle result) { if (result.containsKey("__thumbnail")) { long best = -1; int bestFile = -1; // Parse the list ArrayList<String> files = Utils.decodeList(result.getString("__thumbnail"), '|'); // Just read the image files to get file size BitmapFactory.Options opt = new BitmapFactory.Options(); opt.inJustDecodeBounds = true; // Scan, finding biggest for (int i = 0; i < files.size(); i++) { String filespec = files.get(i); File file = new File(filespec); if (file.exists()) { BitmapFactory.decodeFile(filespec, opt); // If no size info, assume file bad and skip if (opt.outHeight > 0 && opt.outWidth > 0) { long size = opt.outHeight * opt.outWidth; if (size > best) { best = size; bestFile = i; } } } } // Delete all but the best one. Note there *may* be no best one, // so all would be deleted. We do this first in case the list // contains a file with the same name as the target of our // rename. for (int i = 0; i < files.size(); i++) { if (i != bestFile) { File file = new File(files.get(i)); file.delete(); } } // Get the best file (if present) and rename it. if (bestFile >= 0) { File file = new File(files.get(bestFile)); file.renameTo(CatalogueDBAdapter.getTempThumbnail()); } // Finally, cleanup the data result.remove("__thumbnail"); result.putBoolean(CatalogueDBAdapter.KEY_THUMBNAIL, true); } }
From source file:com.xmobileapp.rockplayer.LastFmAlbumArtImporter.java
/********************************* * // ww w .ja v a2 s . c om * albumHasArt * *********************************/ private String getAlbumArtPath(String artistName, String albumName) { String albumCoverPath = null; /* * 1. Check if we have downloaded it before */ // if(albumCoverPath == null){ String path = ((RockPlayer) context).FILEX_ALBUM_ART_PATH + validateFileName(artistName) + " - " + validateFileName(albumName) + FILEX_FILENAME_EXTENSION; File albumCoverFilePath = new File(path); if (albumCoverFilePath.exists() && albumCoverFilePath.length() > 0) { albumCoverPath = albumCoverFilePath.getAbsolutePath(); } // } /* * 2. Check Art in the DB */ if (albumCoverPath == null) { albumCoverPath = albumCursor .getString(albumCursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM_ART)); /* check if the embedded mp3 is valid (or big enough)*/ if (albumCoverPath != null) { Log.i("DBG", albumCoverPath); BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true; Bitmap bmTmp = BitmapFactory.decodeFile(albumCoverPath, opts); if (opts == null || opts.outHeight < 320 || opts.outWidth < 320) albumCoverPath = null; if (bmTmp != null) bmTmp.recycle(); } } Log.i("DBG", "" + albumCoverPath); /* * If both checks above have failed return false */ return albumCoverPath; }
From source file:org.opendatakit.common.android.utilities.ODKFileUtils.java
public static Bitmap getBitmapScaledToDisplay(String appName, File f, int screenHeight, int screenWidth) { // Determine image size of f BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true;/*ww w . j a v a 2 s .c o m*/ BitmapFactory.decodeFile(f.getAbsolutePath(), o); int heightScale = o.outHeight / screenHeight; int widthScale = o.outWidth / screenWidth; // Powers of 2 work faster, sometimes, according to the doc. // We're just doing closest size that still fills the screen. int scale = Math.max(widthScale, heightScale); // get bitmap with scale ( < 1 is the same as 1) BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = scale; Bitmap b = BitmapFactory.decodeFile(f.getAbsolutePath(), options); if (b != null) { WebLogger.getLogger(appName).i(t, "Screen is " + screenHeight + "x" + screenWidth + ". Image has been scaled down by " + scale + " to " + b.getHeight() + "x" + b.getWidth()); } return b; }
From source file:com.xmobileapp.rockplayer.LastFmAlbumArtImporter.java
/******************************* * //from w w w.jav a 2 s . c o m * checkAlbumArtEmbeddedSize * *******************************/ public String checkAlbumArtEmbeddedSize(String albumCoverPath) { /* check if the embedded mp3 is valid (or big enough)*/ if (albumCoverPath != null) { Log.i("DBG", albumCoverPath); BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true; Bitmap bmTmp = BitmapFactory.decodeFile(albumCoverPath, opts); if (opts == null || opts.outHeight < 320 || opts.outWidth < 320) albumCoverPath = null; if (bmTmp != null) bmTmp.recycle(); } return albumCoverPath; }
From source file:com.kjsaw.alcosys.ibacapp.IBAC.java
private Bitmap readPhotos() { String localPath = getApplicationContext().getFilesDir().getAbsolutePath() + "/photos/"; String fileName = localPath + "Test.jpg"; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true;/*w w w . j a va2 s .c om*/ BitmapFactory.decodeFile(fileName, options); options.inSampleSize = computeSampleSize(options, -1, 128 * 128); options.inJustDecodeBounds = false; try { return BitmapFactory.decodeFile(fileName, options); } catch (OutOfMemoryError err) { err.printStackTrace(); } return null; }