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2014/10/16 ¤W¤È 08:10:36
android Programming Glossary: bitmapregiondecoderHow can I use BitmapRegionDecoder code in android 2.2.2 (Froyo)? http://stackoverflow.com/questions/10035169/how-can-i-use-bitmapregiondecoder-code-in-android-2-2-2-froyo can I use BitmapRegionDecoder code in android 2.2.2 Froyo I was reading an answer to a different question on SO in which @RomainGuy commented that one.. port code from later versions of android to earlier versions. Specifically I am interested in back porting code for BitmapRegionDecoder from Android version 2.3.3 Gingerbread to version 2.2.2 Froyo . I would have rather asked the question more generally as.. useful to know how. java android graphics android ndk backport share improve this question As @hackbod mentioned BitmapRegionDecoder is based on external skia library. Yet it's may be a benefit. Let's examine original source BitmapRegionDecoder.java . Mostly..
How to load tiles from a large bitmap in Android? http://stackoverflow.com/questions/4753013/how-to-load-tiles-from-a-large-bitmap-in-android to small pieces without loading the entire thing into memory Android 2.3.3 has a new API called android.graphics.BitmapRegionDecoder that lets you do exactly what you want. You would for instance do the following BitmapRegionDecoder decoder BitmapRegionDecoder.newInstance.. android.graphics.BitmapRegionDecoder that lets you do exactly what you want. You would for instance do the following BitmapRegionDecoder decoder BitmapRegionDecoder.newInstance myStream false Bitmap region decoder.decodeRegion new Rect 10 10 50 50 null Easy.. that lets you do exactly what you want. You would for instance do the following BitmapRegionDecoder decoder BitmapRegionDecoder.newInstance myStream false Bitmap region decoder.decodeRegion new Rect 10 10 50 50 null Easy share improve this answer..
Is it possible to chop a bitmap to small pieces without loading the entire thing into memory? http://stackoverflow.com/questions/4815192/is-it-possible-to-chop-a-bitmap-to-small-pieces-without-loading-the-entire-thing image processing out of memory share improve this question Android 2.3.3 has a new API called android.graphics.BitmapRegionDecoder that lets you do exactly what you want. You would for instance do the following BitmapRegionDecoder decoder BitmapRegionDecoder.newInstance.. android.graphics.BitmapRegionDecoder that lets you do exactly what you want. You would for instance do the following BitmapRegionDecoder decoder BitmapRegionDecoder.newInstance myStream false Bitmap region decoder.decodeRegion new Rect 10 10 50 50 null Easy.. that lets you do exactly what you want. You would for instance do the following BitmapRegionDecoder decoder BitmapRegionDecoder.newInstance myStream false Bitmap region decoder.decodeRegion new Rect 10 10 50 50 null Easy share improve this answer..
display huge Images in Android http://stackoverflow.com/questions/6518215/display-huge-images-in-android try istream this.getContentResolver .openInputStream Uri.fromFile f catch FileNotFoundException e1 e1.printStackTrace BitmapRegionDecoder decoder null try decoder BitmapRegionDecoder.newInstance istream false catch IOException e e.printStackTrace int nw j.. Uri.fromFile f catch FileNotFoundException e1 e1.printStackTrace BitmapRegionDecoder decoder null try decoder BitmapRegionDecoder.newInstance istream false catch IOException e e.printStackTrace int nw j width k int nh i height k Bitmap bMap decoder.decodeRegion..
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