11  * distributed under the License is distributed on an "AS IS" BASIS,
63          * set in the Options structure is a way to see if the bitmap was reused,
86          * image, returning a smaller image to save memory. The sample size is
89          * an image that is 1/4 the width/height of the original, and 1/16 the
90          * number of pixels. Any value <= 1 is treated the same as 1. Note: the
98          * If this is non-null, the decoder will try to decode into this
99          * internal configuration. If it is null, or the request cannot be met,
110          * If dither is true, the decoder will attempt to dither the decoded
119          * if {@link #inScaled} is set (which it is by default} and this
123          * <p>If this is 0,
128          * functions will leave it as-is and no density will be applied.
140          * This is used in conjunction with {@link #inDensity} and
144          * <p>If this is 0,
150          * functions will leave it as-is and no scaling for density will be
161          * The pixel density of the actual screen that is being used.  This is
163          * {@link #inTargetDensity} is actually the density the application
167          * allow the loading code to avoid scaling a bitmap that is currently
169          * if {@link #inDensity} is the same as {@link #inScreenDensity}, the
170          * bitmap will be left as-is.  Anything using the resulting bitmap
176          * <p>This is never set automatically for the caller by
188          * When this flag is set, if {@link #inDensity} and
192          * is drawn to a Canvas.
194          * <p>This flag is turned on by default and should be turned off if you need
201          * If this is set to true, then the resulting bitmap will allocate its
204          * (e.g. the bitmap is drawn, getPixels() is called), they will be
209          * or by making a copy of it. This distinction is controlled by
210          * inInputShareable. If this is true, then the bitmap may keep a shallow
211          * reference to the input. If this is false, then the bitmap will
213          * sharing is allowed, the implementation may still decide to make a
219          * This field works in conjuction with inPurgeable. If inPurgeable is
220          * false, then this field is ignored. If inPurgeable is true, then this
227          * If inPreferQualityOverSpeed is set to true, the decoder will try to
237          * inJustDecodeBounds. However, if there is an error trying to decode,
245          * inJustDecodeBounds. However, if there is an error trying to decode,
251          * If known, this string is set to the mimetype of the decoded image.
252          * If not know, or there is an error, it is set to null.
265          * is useful if there's an intermediary that wants to first decode the
268          * if the operation is canceled.
273          *  This can be called from another thread while this options object is
275          *  it should cancel its operation. This is not guaranteed to cancel
277          *  null, or if inJustDecodeBounds is true, will set outWidth/outHeight
287      * Decode a file path into a bitmap. If the specified file name is null,
292      *             image should be completely decoded, or just is size returned.
294      *         decoded, or, if opts is non-null, if opts requested only the
321      * Decode a file path into a bitmap. If the specified file name is null,
336             InputStream is, Rect pad, Options opts) {
355         return decodeStream(is, pad, opts);
365      *             image should be completely decoded, or just is size returned.
367      *         decoded, or, if opts is non-null, if opts requested only the
372         InputStream is = null; 
376             is = res.openRawResource(id, value);
378             bm = decodeResourceStream(res, value, is, null, opts);
382                 If it happened on close, bm is still valid.
386                 if (is != null) is.close();
419      *             image should be completely decoded, or just is size returned.
421      *         decoded, or, if opts is non-null, if opts requested only the
450      * Decode an input stream into a bitmap. If the input stream is null, or
455      * @param is The input stream that holds the raw data to be decoded into a
459      *                   no bitmap is returned (null) then padding is
462      *             image should be completely decoded, or just is size returned.
464      *         decoded, or, if opts is non-null, if opts requested only the
467     public static Bitmap decodeStream(InputStream is, Rect outPadding, Options opts) {
470         if (is == null) {
476         if (!is.markSupported()) {
477             is = new BufferedInputStream(is, DECODE_BUFFER_SIZE);
483         is.mark(1024);
488         if (is instanceof AssetManager.AssetInputStream) {
489             final int asset = ((AssetManager.AssetInputStream) is).getAssetInt();
510             // pass some temp storage down to the native code. 1024 is made up,
512             // into is.read(...) This number is not related to the value passed
529                 bm = nativeDecodeStream(is, tempStorage, outPadding, opts, true, scale);
534                 bm = nativeDecodeStream(is, tempStorage, outPadding, opts);
591      * Decode an input stream into a bitmap. If the input stream is null, or
596      * @param is The input stream that holds the raw data to be decoded into a
600     public static Bitmap decodeStream(InputStream is) {
601         return decodeStream(is, null, null);
607      * this returns, so the descriptor can be used again as-is.
612      *                   no bitmap is returned (null) then padding is
615      *             image should be completely decoded, or just is size returned.
640      * this returns, so the descriptor can be used again as is.
649     private static native Bitmap nativeDecodeStream(InputStream is, byte[] storage,
651     private static native Bitmap nativeDecodeStream(InputStream is, byte[] storage,

Indexes created Thu Feb 14 23:00:39 CET 2013