/** Returns the in memory size of the given {@link Bitmap} in bytes. */
@TargetApi(Build.VERSION_CODES.KITKAT)
public static int getBitmapByteSize(Bitmap bitmap) {
// The return value of getAllocationByteCount silently changes for recycled bitmaps from the
// internal buffer size to row bytes * height. To avoid random inconsistencies in caches, we
// instead assert here.
if (bitmap.isRecycled()) {
throw new IllegalStateException(
"Cannot obtain size for recycled Bitmap: "
+ bitmap
+ "["
+ bitmap.getWidth()
+ "x"
+ bitmap.getHeight()
+ "] "
+ bitmap.getConfig());
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
// Workaround for KitKat initial release NPE in Bitmap, fixed in MR1. See issue #148.
try {
return bitmap.getAllocationByteCount();
} catch (NullPointerException e) {
// Do nothing.
}
}
return bitmap.getHeight() * bitmap.getRowBytes();
}
/** Returns the in memory size of the given {@link Bitmap}. */
public static int getSize(Bitmap bitmap) {
if (Build.VERSION.SDK_INT >= 19) {
return bitmap.getAllocationByteCount();
} else {
return bitmap.getHeight() * bitmap.getRowBytes();
}
}
// TODO get bytes of bitmap
private static int byteSizeOf(Bitmap bitmap) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
return bitmap.getAllocationByteCount();
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
return bitmap.getByteCount();
} else {
return bitmap.getRowBytes() * bitmap.getHeight();
}
}
protected int a(Object obj, Bitmap bitmap)
{
int i;
if (android.os.Build.VERSION.SDK_INT >= 19)
{
i = bitmap.getAllocationByteCount();
} else
{
i = bitmap.getByteCount();
}
return (i + 1023) / 1024;
}
/**
* Get the size in bytes of a bitmap in a BitmapDrawable. Note that from Android 4.4 (KitKat)
* onward this returns the allocated memory size of the bitmap which can be larger than the actual
* bitmap data byte count (in the case it was re-used).
*
* @param value
* @return size in bytes
*/
@TargetApi(VERSION_CODES.KITKAT)
public static int getBitmapSize(BitmapDrawable value) {
Bitmap bitmap = value.getBitmap();
// From KitKat onward use getAllocationByteCount() as allocated bytes can potentially be
// larger than bitmap byte count.
if (Utils.hasKitKat()) {
return bitmap.getAllocationByteCount();
}
if (Utils.hasHoneycombMR1()) {
return bitmap.getByteCount();
}
// Pre HC-MR1
return bitmap.getRowBytes() * bitmap.getHeight();
}
/**
* reutilizableParaInBitmap: Checa si un bitmap se puede reutilizar de acuerdo a las opciones
* especificadas.
*
* @param candidato Bitmap que se va a investigar
* @param opciones BitmapFactory.Options que el candidato debe satisfacer
* @return true si se puede reutilizar este candidato, false de otro modo.
*/
static boolean reutilizableParaInBitmap(Bitmap candidato, BitmapFactory.Options opciones) {
int ancho = opciones.outWidth / opciones.inSampleSize;
int alto = opciones.outHeight / opciones.inSampleSize;
Bitmap.Config configuracion = candidato.getConfig();
int bytes_por_pixel;
// Checa cada configuracion
if (configuracion == Bitmap.Config.ARGB_8888) {
bytes_por_pixel = 4;
} else if (configuracion == Bitmap.Config.RGB_565) {
bytes_por_pixel = 2;
} else if (configuracion == Bitmap.Config.ARGB_4444) {
bytes_por_pixel = 2;
} else {
bytes_por_pixel = 1;
}
int conteo_bytes = ancho * alto * bytes_por_pixel;
return conteo_bytes <= candidato.getAllocationByteCount();
}
/**
* @param candidate - Bitmap to check
* @param targetOptions - Options that have the out* value populated
* @return true if <code>candidate</code> can be used for inBitmap re-use with <code>targetOptions
* </code>
*/
@TargetApi(VERSION_CODES.KITKAT)
private static boolean canUseForInBitmap(Bitmap candidate, BitmapFactory.Options targetOptions) {
// BEGIN_INCLUDE(can_use_for_inbitmap)
if (!Utils.hasKitKat()) {
// On earlier versions, the dimensions must match exactly and the inSampleSize must be 1
return candidate.getWidth() == targetOptions.outWidth
&& candidate.getHeight() == targetOptions.outHeight
&& targetOptions.inSampleSize == 1;
}
// From Android 4.4 (KitKat) onward we can re-use if the byte size of the new bitmap
// is smaller than the reusable bitmap candidate allocation byte count.
int width = targetOptions.outWidth / targetOptions.inSampleSize;
int height = targetOptions.outHeight / targetOptions.inSampleSize;
int byteCount = width * height * getBytesPerPixel(candidate.getConfig());
return byteCount <= candidate.getAllocationByteCount();
// END_INCLUDE(can_use_for_inbitmap)
}
private static boolean canUseForInBitmap(Bitmap candidate, BitmapFactory.Options targetOptions) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
// From Android 4.4 (KitKat) onward we can re-use if the byte size
// of
// the new bitmap is smaller than the reusable bitmap candidate
// allocation byte count.
int width = targetOptions.outWidth / targetOptions.inSampleSize;
int height = targetOptions.outHeight / targetOptions.inSampleSize;
int byteCount = width * height * getBytesPerPixel(candidate.getConfig());
return byteCount <= candidate.getAllocationByteCount();
}
// On earlier versions, the dimensions must match exactly and the
// inSampleSize must be 1
return candidate.getWidth() == targetOptions.outWidth
&& candidate.getHeight() == targetOptions.outHeight
&& targetOptions.inSampleSize == 1;
}
/** @return size in bytes of the underlying bitmap */
@SuppressLint("NewApi")
public static int getSizeInBytes(@Nullable Bitmap bitmap) {
if (bitmap == null) {
return 0;
}
// There's a known issue in KitKat where getAllocationByteCount() can throw an NPE. This was
// apparently fixed in MR1: http://bit.ly/1IvdRpd. So we do a version check here, and
// catch any potential NPEs just to be safe.
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
try {
return bitmap.getAllocationByteCount();
} catch (NullPointerException npe) {
// Swallow exception and try fallbacks.
}
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
return bitmap.getByteCount();
}
// Estimate for earlier platforms.
return bitmap.getWidth() * bitmap.getRowBytes();
}
protected int sizeOf(String key, Bitmap value) {
if (VERSION.SDK_INT >= 19) {
return value.getAllocationByteCount() / 1024;
}
return (value.getRowBytes() * value.getHeight()) / 1024;
}