2014/10/16 上午 08:16:02

android Programming Glossary: insamplesize

http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled

reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize.. Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth Second way int inSampleSize.. Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight The you can..

Out of Memory error with Bitmap

http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap

o.outHeight scale 2 REQUIRED_HIGHT scale 2 Decode with inSampleSize BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize.. BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize scale return BitmapFactory.decodeStream new FileInputStream..

Decoding bitmaps in Android with the right size

http://stackoverflow.com/questions/2641726/decoding-bitmaps-in-android-with-the-right-size

or that the heap allows so I use BitmapFactory.Options.inSampleSize to request a subsampled smaller bitmap. The problem is that.. is that the platform does not enforce the exact value of inSampleSize and I sometimes end up with a bitmap either too small or still.. reference android graphics BitmapFactory.Options.html#inSampleSize Note the decoder will try to fulfill this request but the resulting..

Android: Resize a large bitmap file to scaled output file

http://stackoverflow.com/questions/3331527/android-resize-a-large-bitmap-file-to-scaled-output-file

file options providing a BitmapFactory.Options.inSampleSize because I want to resize it to an exact width and height. Using.. I want to resize it to an exact width and height. Using inSampleSize would resize the bitmap to 972x648 if I use inSampleSize 4 or.. inSampleSize would resize the bitmap to 972x648 if I use inSampleSize 4 or to 778x518 if I use inSampleSize 5 which isn't even a power..

Quality problems when resizing an image at runtime

http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime

false options.inDither false options.inSampleSize scale Bitmap sampledSrcBitmap BitmapFactory.decodeFile imageFilePathString.. srcWidth desiredWidth srcWidth Calculate the correct inSampleSize scale value. This helps reduce memory use. It should be a power.. android strange out of memory issue 823966#823966 int inSampleSize 1 while srcWidth 2 desiredWidth srcWidth 2 srcHeight 2 inSampleSize..

How to scale bitmap to screen size?

http://stackoverflow.com/questions/6410364/how-to-scale-bitmap-to-screen-size

break width_tmp 2 height_tmp 2 scale decode with inSampleSize BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize.. BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize scale return BitmapFactory.decodeStream new FileInputStream..

Bitmap recycle with largeHeap enabled

http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled

how much we need to scale the image First way if imageHeight reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth Second way int.. reqHeight imageWidth reqWidth if imageWidth imageHeight inSampleSize Math.round float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight.. float imageHeight float reqHeight else inSampleSize Math.round float imageWidth float reqWidth Second way int inSampleSize Math.min imageWidth reqWidth imageHeight reqHeight The you can set the inSampleSize options.inSampleSize inSampleSize Then..

Out of Memory error with Bitmap

http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap

power of 2. int scale 1 while o.outWidth scale 2 REQUIRED_WIDTH o.outHeight scale 2 REQUIRED_HIGHT scale 2 Decode with inSampleSize BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize scale return BitmapFactory.decodeStream new FileInputStream.. scale 2 REQUIRED_HIGHT scale 2 Decode with inSampleSize BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize scale return BitmapFactory.decodeStream new FileInputStream f null o2 catch FileNotFoundException e return null Quoting..

Decoding bitmaps in Android with the right size

http://stackoverflow.com/questions/2641726/decoding-bitmaps-in-android-with-the-right-size

the bitmaps are bigger than what the application needs or that the heap allows so I use BitmapFactory.Options.inSampleSize to request a subsampled smaller bitmap. The problem is that the platform does not enforce the exact value of inSampleSize.. to request a subsampled smaller bitmap. The problem is that the platform does not enforce the exact value of inSampleSize and I sometimes end up with a bitmap either too small or still too big for the available memory. From http developer.android.com.. big for the available memory. From http developer.android.com reference android graphics BitmapFactory.Options.html#inSampleSize Note the decoder will try to fulfill this request but the resulting bitmap may have different dimensions that precisely..

Android: Resize a large bitmap file to scaled output file

http://stackoverflow.com/questions/3331527/android-resize-a-large-bitmap-file-to-scaled-output-file

I also can't read the bitmap with for example BitmapFactory.decodeFile file options providing a BitmapFactory.Options.inSampleSize because I want to resize it to an exact width and height. Using inSampleSize would resize the bitmap to 972x648 if I use.. options providing a BitmapFactory.Options.inSampleSize because I want to resize it to an exact width and height. Using inSampleSize would resize the bitmap to 972x648 if I use inSampleSize 4 or to 778x518 if I use inSampleSize 5 which isn't even a power.. I want to resize it to an exact width and height. Using inSampleSize would resize the bitmap to 972x648 if I use inSampleSize 4 or to 778x518 if I use inSampleSize 5 which isn't even a power of 2 . I would also like to avoid reading the image using..

Quality problems when resizing an image at runtime

http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime

srcWidth 2 desiredWidth srcWidth 2 srcHeight 2 scale 2 options.inJustDecodeBounds false options.inDither false options.inSampleSize scale Bitmap sampledSrcBitmap BitmapFactory.decodeFile imageFilePathString options Then I am doing the actual scaling with.. just trying to fit a image into a certain width. if desiredWidth srcWidth desiredWidth srcWidth Calculate the correct inSampleSize scale value. This helps reduce memory use. It should be a power of 2 from http stackoverflow.com questions 477572 android.. be a power of 2 from http stackoverflow.com questions 477572 android strange out of memory issue 823966#823966 int inSampleSize 1 while srcWidth 2 desiredWidth srcWidth 2 srcHeight 2 inSampleSize 2 float desiredScale float desiredWidth srcWidth Decode..

How to scale bitmap to screen size?

http://stackoverflow.com/questions/6410364/how-to-scale-bitmap-to-screen-size

true if width_tmp 2 REQUIRED_SIZE height_tmp 2 REQUIRED_SIZE break width_tmp 2 height_tmp 2 scale decode with inSampleSize BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize scale return BitmapFactory.decodeStream new FileInputStream.. width_tmp 2 height_tmp 2 scale decode with inSampleSize BitmapFactory.Options o2 new BitmapFactory.Options o2.inSampleSize scale return BitmapFactory.decodeStream new FileInputStream f null o2 catch FileNotFoundException e return null share..