com.davemorrissey.labs.subscaleview.decoder

Class SkiaImageDecoder

java.lang.Object

com.davemorrissey.labs.subscaleview.decoder.SkiaImageDecoder

All Implemented Interfaces:

ImageDecoder

public class SkiaImageDecoder
extends Object
implements ImageDecoder

Default implementation of ImageDecoder using Android's BitmapFactory, based on the Skia library. This works well in most circumstances and has reasonable performance, however it has some problems with grayscale, indexed and CMYK images.

Constructor Summary

Constructors

Constructor and Description
SkiaImageDecoder()
SkiaImageDecoder(Bitmap.Config bitmapConfig)

Method Summary

Modifier and Type	Method and Description
Bitmap	decode(Context context, Uri uri) Decode an image.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SkiaImageDecoder

public SkiaImageDecoder()

SkiaImageDecoder

public SkiaImageDecoder(@Nullable
                        Bitmap.Config bitmapConfig)

Method Detail

decode

@NonNull
public Bitmap decode(Context context,
                              @NonNull
                              Uri uri)
                       throws Exception

Description copied from interface: ImageDecoder

Decode an image. The URI can be in one of the following formats:
File: file:///scard/picture.jpg
Asset: file:///android_asset/picture.png
Resource: android.resource://com.example.app/drawable/picture

Specified by:

decode in interface ImageDecoder

Parameters:

context - Application context

uri - URI of the image

Returns:

the decoded bitmap

Throws:

Exception - if decoding fails.