118 lines
3.7 KiB
Plaintext
118 lines
3.7 KiB
Plaintext
package com.novelbook.android.utils;
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import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.os.Build;
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import android.renderscript.RSRuntimeException;
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import android.support.annotation.NonNull;
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import com.bumptech.glide.Glide;
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import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
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import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
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import java.nio.charset.Charset;
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import java.security.MessageDigest;
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import jp.wasabeef.glide.transformations.internal.FastBlur;
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import jp.wasabeef.glide.transformations.internal.RSBlur;
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public class GaoSiTransForm extends BitmapTransformation {
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private static String STRING_CHARSET_NAME = "UTF-8";
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private static final String ID = "GaoSiTransFormtion";
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private static Charset CHARSET = Charset.forName(STRING_CHARSET_NAME);
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private static final byte[] ID_BYTES = ID.getBytes(CHARSET);
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private static int MAX_RADIUS = 25;
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private static int DEFAULT_DOWN_SAMPLING = 1;
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private Context mContext;
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private BitmapPool mBitmapPool;
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private int mRadius;
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private int mSampling;
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public GaoSiTransForm(Context context) {
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this(context, Glide.get(context).getBitmapPool(), MAX_RADIUS, DEFAULT_DOWN_SAMPLING);
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}
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public GaoSiTransForm(Context context, BitmapPool pool) {
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this(context, pool, MAX_RADIUS, DEFAULT_DOWN_SAMPLING);
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}
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public GaoSiTransForm(Context context, BitmapPool pool, int radius) {
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this(context, pool, radius, DEFAULT_DOWN_SAMPLING);
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}
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public GaoSiTransForm(Context context, int radius) {
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this(context, Glide.get(context).getBitmapPool(), radius, DEFAULT_DOWN_SAMPLING);
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}
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public GaoSiTransForm(Context context, int radius, int sampling) {
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this(context, Glide.get(context).getBitmapPool(), radius, sampling);
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}
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public GaoSiTransForm(Context context, BitmapPool pool, int radius, int sampling) {
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mContext = context.getApplicationContext();
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mBitmapPool = pool;
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mRadius = radius;
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mSampling = sampling;
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}
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@Override
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protected Bitmap transform(@NonNull BitmapPool pool, @NonNull Bitmap toTransform, int
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outWidth, int outHeight) {
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Bitmap source = toTransform;
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int width = source.getWidth();
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int height = source.getHeight();
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int scaledWidth = width / mSampling;
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int scaledHeight = height / mSampling;
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Bitmap bitmap = mBitmapPool.get(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
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if (bitmap == null) {
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bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
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}
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Canvas canvas = new Canvas(bitmap);
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canvas.scale(1 / (float) mSampling, 1 / (float) mSampling);
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Paint paint = new Paint();
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paint.setFlags(Paint.FILTER_BITMAP_FLAG);
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canvas.drawBitmap(source, 0, 0, paint);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
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try {
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bitmap = RSBlur.blur(mContext, bitmap, mRadius);
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} catch (RSRuntimeException e) {
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bitmap = FastBlur.blur(bitmap, mRadius, true);
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}
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} else {
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bitmap = FastBlur.blur(bitmap, mRadius, true);
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}
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//return BitmapResource.obtain(bitmap, mBitmapPool);
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return bitmap;
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}
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@Override
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public int hashCode() {
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return ID.hashCode();
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}
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@Override
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public boolean equals(Object obj) {
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return obj instanceof GaoSiTransForm;
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}
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@Override
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public void updateDiskCacheKey(MessageDigest messageDigest) {
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messageDigest.update(ID_BYTES);
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}
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}
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