2014/10/16 上午 08:20:53

android Programming Glossary: options.outwidth

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

options int imageHeight options.outHeight int imageWidth options.outWidth This will give you the size of the image before downloading..

BitmapFactory.decodeStream out of memory despite using reduced sample size

http://stackoverflow.com/questions/15254272/bitmapfactory-decodestream-out-of-memory-despite-using-reduced-sample-size

image final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth Calculate..

How to downscale images correctly?

http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly

int originalHeight options.outHeight int originalWidth options.outWidth Calculate your sampleSize based on the requiredWidth and originalWidth..

Out of memory while creating bitmaps on device

http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device

final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth if width.. image final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth Calculate..

High resolution Image - OutOfMemoryError

http://stackoverflow.com/questions/18385362/high-resolution-image-outofmemoryerror

image final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth Calculate..

BitmapFactory.decodeStream returning null when options are set

http://stackoverflow.com/questions/2503628/bitmapfactory-decodestream-returning-null-when-options-are-set

Math.abs options.outHeight TARGET_HEIGHT Math.abs options.outWidth TARGET_WIDTH if options.outHeight options.outWidth 2 200 100.. options.outWidth TARGET_WIDTH if options.outHeight options.outWidth 2 200 100 2 Load scaling to smallest power of 2 that'll get.. sampleSize scaleByHeight options.outHeight TARGET_HEIGHT options.outWidth TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor..

Choosing background for Live Wallpaper

http://stackoverflow.com/questions/3679330/choosing-background-for-live-wallpaper

imageBg options SampleSize int Math.ceil options.outWidth this.visibleWidth 2 2 options.inJustDecodeBounds false try..

Quality problems when resizing an image at runtime

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

imageFilePathString options int srcWidth options.outWidth int srcHeight options.outHeight int scale 1 while srcWidth 2.. STRING_PATH_TO_FILE options int srcWidth options.outWidth int srcHeight options.outHeight Only scale if the source is..

How to implement Image Gallery in Gridview in android?

http://stackoverflow.com/questions/6855399/how-to-implement-image-gallery-in-gridview-in-android

scaleByHeight Math.abs options.outHeight 100 Math.abs options.outWidth 100 if options.outHeight options.outWidth 2 16384 Load scaling.. 100 Math.abs options.outWidth 100 if options.outHeight options.outWidth 2 16384 Load scaling to smallest power of 2 that'll get it desired.. double sampleSize scaleByHeight options.outHeight 100 options.outWidth 100 options.inSampleSize int Math.pow 2d Math.floor Math.log..

How to overcome this error:java.lang.OutOfMemoryError: bitmap size exceeds VM budget

http://stackoverflow.com/questions/7606846/how-to-overcome-this-errorjava-lang-outofmemoryerror-bitmap-size-exceeds-vm-bu

bitmapByteArray 0 bitmapByteArray.length options ' options.outWidth and options.outHeight are what you want. 2 compute a sample.. options int minSideLength int maxNumOfPixels double w options.outWidth double h options.outHeight int lowerBound maxNumOfPixels IImage.UNCONSTRAINED..

Bitmap recycle with largeHeap enabled

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

true BitmapFactory.decodeResource getResources R.id.myimage options int imageHeight options.outHeight int imageWidth options.outWidth This will give you the size of the image before downloading and on the basic of that you can check the size of your device..

BitmapFactory.decodeStream out of memory despite using reduced sample size

http://stackoverflow.com/questions/15254272/bitmapfactory-decodestream-out-of-memory-despite-using-reduced-sample-size

options int reqWidth int reqHeight Raw height and width of image final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth Calculate ratios of height and width to requested height and width..

How to downscale images correctly?

http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly

map BitmapFactory.decodeFile file.getAbsolutePath options int originalHeight options.outHeight int originalWidth options.outWidth Calculate your sampleSize based on the requiredWidth and originalWidth For e.g you want the width to stay consistent at..

Out of memory while creating bitmaps on device

http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device

BitmapFactory.Options options int reqWidth int reqHeight final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth if width height inSampleSize Math.round float height float reqHeight.. options int reqWidth int reqHeight Raw height and width of image final int height options.outHeight final int width options.outWidth int inSampleSize 1 if height reqHeight width reqWidth Calculate ratios of height and width to requested height and width..

High resolution Image - OutOfMemoryError

http://stackoverflow.com/questions/18385362/high-resolution-image-outofmemoryerror

BitmapFactory.decodeStream returning null when options are set

http://stackoverflow.com/questions/2503628/bitmapfactory-decodestream-returning-null-when-options-are-set

BitmapFactory.decodeStream is null options Boolean scaleByHeight Math.abs options.outHeight TARGET_HEIGHT Math.abs options.outWidth TARGET_WIDTH if options.outHeight options.outWidth 2 200 100 2 Load scaling to smallest power of 2 that'll get it desired.. scaleByHeight Math.abs options.outHeight TARGET_HEIGHT Math.abs options.outWidth TARGET_WIDTH if options.outHeight options.outWidth 2 200 100 2 Load scaling to smallest power of 2 that'll get it desired dimensions double sampleSize scaleByHeight options.outHeight.. smallest power of 2 that'll get it desired dimensions double sampleSize scaleByHeight options.outHeight TARGET_HEIGHT options.outWidth TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds..

Choosing background for Live Wallpaper

http://stackoverflow.com/questions/3679330/choosing-background-for-live-wallpaper

options.inJustDecodeBounds true bg BitmapFactory.decodeFile imageBg options SampleSize int Math.ceil options.outWidth this.visibleWidth 2 2 options.inJustDecodeBounds false try options.inSampleSize SampleSize bg BitmapFactory.decodeFile..

Quality problems when resizing an image at runtime

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

options.inJustDecodeBounds true BitmapFactory.decodeFile imageFilePathString options int srcWidth options.outWidth int srcHeight options.outHeight int scale 1 while srcWidth 2 desiredWidth srcWidth 2 srcHeight 2 scale 2 options.inJustDecodeBounds.. options.inJustDecodeBounds true BitmapFactory.decodeFile STRING_PATH_TO_FILE options int srcWidth options.outWidth int srcHeight options.outHeight Only scale if the source is big enough. This code is just trying to fit a image into a certain..

How to implement Image Gallery in Gridview in android?

http://stackoverflow.com/questions/6855399/how-to-implement-image-gallery-in-gridview-in-android

Only scale if we need to 16384 buffer for img processing Boolean scaleByHeight Math.abs options.outHeight 100 Math.abs options.outWidth 100 if options.outHeight options.outWidth 2 16384 Load scaling to smallest power of 2 that'll get it desired dimensions.. img processing Boolean scaleByHeight Math.abs options.outHeight 100 Math.abs options.outWidth 100 if options.outHeight options.outWidth 2 16384 Load scaling to smallest power of 2 that'll get it desired dimensions double sampleSize scaleByHeight options.outHeight.. scaling to smallest power of 2 that'll get it desired dimensions double sampleSize scaleByHeight options.outHeight 100 options.outWidth 100 options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds..

How to overcome this error:java.lang.OutOfMemoryError: bitmap size exceeds VM budget

http://stackoverflow.com/questions/7606846/how-to-overcome-this-errorjava-lang-outofmemoryerror-bitmap-size-exceeds-vm-bu

options.inJustDecodeBounds true BitmapFactory.decodeByteArray bitmapByteArray 0 bitmapByteArray.length options ' options.outWidth and options.outHeight are what you want. 2 compute a sample size by using the following code from http hi android.info src.. static int computeInitialSampleSize BitmapFactory.Options options int minSideLength int maxNumOfPixels double w options.outWidth double h options.outHeight int lowerBound maxNumOfPixels IImage.UNCONSTRAINED 1 int Math.ceil Math.sqrt w h maxNumOfPixels..