ncruces’s gists

ncruces / AndroidBitmap.java

Last active March 14, 2019 14:54

JNA wrapper for Android NDK bitmap.h

	package io.github.ncruces.utils;

	import android.graphics.Bitmap;

	import androidx.annotation.IntDef;
	import androidx.annotation.NonNull;
	import androidx.annotation.RequiresApi;

	import com.sun.jna.JNIEnv;
	import com.sun.jna.Native;

ncruces / NativeBool.java

Last active May 17, 2022 15:10

Basic JNA types

	package io.github.ncruces.utils;

	import com.sun.jna.IntegerType;
	import com.sun.jna.Native;

	@SuppressWarnings("all")
	public class NativeBool extends IntegerType {
	private static final long serialVersionUID = 1L;

	public static final int SIZE = Native.BOOL_SIZE;

ncruces / CachedParcelable.java

Created June 7, 2018 09:58

Caches a Parcelable (e.g. a Bitmap) in Parcel memory (i.e. off the heap)

	package io.github.ncruces.utils;

	import android.graphics.Bitmap;
	import android.os.BadParcelableException;
	import android.os.Parcel;
	import android.os.Parcelable;

	public final class CachedParcelable<T extends Parcelable> implements AutoCloseable {
	private final Parcelable.Creator<T> creator;
	private Parcel cache;

ncruces / Bundler.java

Last active July 2, 2021 09:48 — forked from f2prateek/Bundler.java

Fluent API for working with bundles

	package io.github.ncruces.utils;

	import android.os.Bundle;
	import android.os.IBinder;
	import android.os.Parcelable;
	import android.os.PersistableBundle;
	import android.util.Size;
	import android.util.SizeF;
	import android.util.SparseArray;

ncruces / BoundedInputStream.java

Last active May 21, 2018 02:01

InputStream that reads at most N bytes from underlying stream

	package io.github.ncruces.utils;

	import java.io.IOException;
	import java.io.InputStream;

	import static java.lang.Math.min;

	public class BoundedInputStream extends InputStream {
	private final InputStream in;
	private final long max;

ncruces / ByteBufferChannel.java

Last active May 21, 2018 02:02

ByteBuffer backed SeekableByteChannel

	package io.github.ncruces.utils;

	import java.nio.ByteBuffer;
	import java.nio.channels.NonWritableChannelException;
	import java.nio.channels.SeekableByteChannel;

	import static java.lang.Math.min;

	public final class ByteBufferChannel implements SeekableByteChannel {
	private final ByteBuffer buf;

ncruces / ByteBufferInputStream.java

Last active May 21, 2018 02:03

InputStream that reads from a ByteBuffer

	package io.github.ncruces.utils;

	import java.io.InputStream;
	import java.nio.ByteBuffer;

	public final class ByteBufferInputStream extends InputStream {
	private final ByteBuffer buf;

	public ByteBufferInputStream(ByteBuffer buffer) {
	if (buffer == null) throw new NullPointerException();

ncruces / CharArraySequence.java

Last active September 12, 2021 10:54

CharSequence backed by a char[]

	package io.github.ncruces.utils;

	public final class CharArraySequence implements CharSequence {
	private final char[] buf;
	private final int off, len;

	public CharArraySequence(char[] value) {
	buf = value;
	off = 0;
	len = value.length;

ncruces / SearchIterator.java

Last active June 7, 2018 10:40

Plain Java/Android StringSearch (ported from ICU; unfortunately the original had a few bugs at this point)

	/*
	*******************************************************************************
	* Copyright (C) 1996-2000, International Business Machines Corporation and *
	* others. All Rights Reserved. *
	*******************************************************************************
	*
	* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/text/SearchIterator.java,v $
	* $Date: 2002/04/03 19:13:56 $
	* $Revision: 1.6 $
	*

ncruces / InterruptibleAsyncTaskLoader.java

Last active December 12, 2017 03:11

AsyncTaskLoader that can be interrupted by calling cancelLoadInBackground

	package io.github.ncruces.utils;

	import android.content.AsyncTaskLoader;
	import android.content.Context;
	import android.os.OperationCanceledException;

	import static java.lang.Thread.currentThread;
	import static java.lang.Thread.interrupted;

	public abstract class InterruptibleAsyncTaskLoader<D> extends AsyncTaskLoader<D> {

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