Organizing a dependency

README.md

@@ -8,6 +8,10 @@ An Android transformation library providing a variety of image transformations f
 
 Please feel free to use this.
 
+
+#### Are you using Picasso?
+[Picasso Transformations](https://github.com/wasabeef/picasso-transformations)
+
 # Demo
 
 ### Original Image
@@ -24,10 +28,12 @@ Please feel free to use this.
 ```groovy
 repositories {
     jcenter()
+    mavenCentral()  // GPUImage for Android
 }
 
 dependencies {
-    compile 'jp.wasabeef:glide-transformations:1.0.0'
+    compile 'jp.wasabeef:glide-transformations:1.0.1'
+    compile 'jp.co.cyberagent.android.gpuimage:gpuimage-library:1.2.3'
 }
 ```
 
@@ -52,6 +58,21 @@ Glide.with(this).load(R.drawable.demo).bitmapTransform(
   .into((ImageView) findViewById(R.id.image));
 ```
 
+## Step 4
+
+If you are using `BlurTransformation`.
+
+```groovy
+android {
+    ...
+    defaultConfig {
+        ...
+        renderscriptTargetApi 21
+        renderscriptSupportModeEnabled true
+    }
+}
+```
+
 ## Transformations
 
 ### Crop
@@ -77,7 +98,7 @@ Daichi Furiya (Wasabeef) - <dadadada.chop@gmail.com>
 
 <a href="https://twitter.com/wasabeef_jp">
 <img alt="Follow me on Twitter"
-src="https://raw.githubusercontent.com/wasabeef/wasabeef.github.io/master/art/twitter.png" width="75"/>
+src="https://raw.githubusercontent.com/wasabeef/art/master/twitter.png" width="75"/>
 </a>
 
 Thanks

build.gradle

@@ -16,5 +16,6 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        mavenCentral()
     }
 }

example/build.gradle

@@ -9,6 +9,8 @@ android {
         targetSdkVersion TARGET_SDK_VERSION as int
         versionCode VERSION_CODE as int
         versionName VERSION_NAME
+        renderscriptTargetApi RENDERSCRIPT_TARGET_API as int
+        renderscriptSupportModeEnabled true
     }
 
     signingConfigs {
@@ -51,6 +53,8 @@ def getKeyAliasPasswordProperty() {
 
 dependencies {
     compile project(':transformations')
+//    compile 'jp.wasabeef:glide-transformations:1.0.1'
+    compile 'jp.co.cyberagent.android.gpuimage:gpuimage-library:1.2.3'
     compile 'com.android.support:appcompat-v7:+'
     compile 'com.android.support:recyclerview-v7:21.+'
     compile 'com.github.bumptech.glide:glide:3.+'

gradle.properties

@@ -1,4 +1,4 @@
-VERSION_NAME=1.0.0
+VERSION_NAME=1.0.1
 VERSION_CODE=3
 GROUP=jp.wasabeef
 ARTIFACT_ID=glide-transformations

transformations/build.gradle

@@ -17,6 +17,7 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.github.bumptech.glide:glide:3.4.0'
+    compile 'jp.co.cyberagent.android.gpuimage:gpuimage-library:1.2.3'
 }
 
 android.libraryVariants.all { variant ->

transformations/src/main/java/jp/wasabeef/glide/transformations/BlurTransformation.java

@@ -23,11 +23,10 @@ import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
 import android.content.Context;
 import android.graphics.Bitmap;
-import android.os.Build;
-import android.renderscript.Allocation;
-import android.renderscript.Element;
-import android.renderscript.RenderScript;
-import android.renderscript.ScriptIntrinsicBlur;
+import android.graphics.Canvas;
+import android.support.v8.renderscript.Allocation;
+import android.support.v8.renderscript.RenderScript;
+import android.support.v8.renderscript.ScriptIntrinsicBlur;
 
 public class BlurTransformation implements Transformation<Bitmap> {
 
@@ -45,256 +44,29 @@ public class BlurTransformation implements Transformation<Bitmap> {
     public BlurTransformation(Context context, BitmapPool pool, int radius) {
         mContext = context;
         mBitmapPool = pool;
-        this.mRadius = radius;
+        mRadius = radius;
     }
 
     @Override
     public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
         Bitmap source = resource.get();
+        Bitmap outBitmap = Bitmap.createBitmap(source.getWidth(), source.getHeight(),
+                Bitmap.Config.ARGB_8888);
+        Canvas canvas = new Canvas(outBitmap);
+        canvas.drawBitmap(source, 0, 0, null);
 
-        if (Build.VERSION.SDK_INT > 16) {
-            Bitmap bitmap = source.copy(source.getConfig(), true);
+        RenderScript rs = RenderScript.create(mContext);
+        Allocation overlayAlloc = Allocation.createFromBitmap(rs, outBitmap);
+        ScriptIntrinsicBlur blur = ScriptIntrinsicBlur.create(rs, overlayAlloc.getElement());
+        blur.setInput(overlayAlloc);
+        blur.setRadius(mRadius);
+        blur.forEach(overlayAlloc);
+        overlayAlloc.copyTo(outBitmap);
 
-            final RenderScript rs = RenderScript.create(mContext);
-            final Allocation input = Allocation.createFromBitmap(rs, source,
-                    Allocation.MipmapControl.MIPMAP_NONE,
-                    Allocation.USAGE_SCRIPT);
-            final Allocation output = Allocation.createTyped(rs, input.getType());
-            final ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
-            script.setRadius(mRadius /* e.g. 3.f */);
-            script.setInput(input);
-            script.forEach(output);
-            output.copyTo(bitmap);
-            return BitmapResource.obtain(bitmap, mBitmapPool);
-        }
-
-        // Stack Blur v1.0 from
-        // http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html
-        //
-        // Java Author: Mario Klingemann <mario at quasimondo.com>
-        // http://incubator.quasimondo.com
-        // created Feburary 29, 2004
-        // Android port : Yahel Bouaziz <yahel at kayenko.com>
-        // http://www.kayenko.com
-        // ported april 5th, 2012
-
-        // This is a compromise between Gaussian Blur and Box blur
-        // It creates much better looking blurs than Box Blur, but is
-        // 7x faster than my Gaussian Blur implementation.
-        //
-        // I called it Stack Blur because this describes best how this
-        // filter works internally: it creates a kind of moving stack
-        // of colors whilst scanning through the image. Thereby it
-        // just has to add one new block of color to the right side
-        // of the stack and remove the leftmost color. The remaining
-        // colors on the topmost layer of the stack are either added on
-        // or reduced by one, depending on if they are on the right or
-        // on the left side of the stack.
-        //
-        // If you are using this algorithm in your code please add
-        // the following line:
-        //
-        // Stack Blur Algorithm by Mario Klingemann <mario@quasimondo.com>
-
-        Bitmap bitmap = source.copy(source.getConfig(), true);
-
-        if (mRadius < 1) {
-            return (null);
-        }
-
-        int w = bitmap.getWidth();
-        int h = bitmap.getHeight();
-
-        int[] pix = new int[w * h];
-        bitmap.getPixels(pix, 0, w, 0, 0, w, h);
-
-        int wm = w - 1;
-        int hm = h - 1;
-        int wh = w * h;
-        int div = mRadius + mRadius + 1;
-
-        int r[] = new int[wh];
-        int g[] = new int[wh];
-        int b[] = new int[wh];
-        int rsum, gsum, bsum, x, y, i, p, yp, yi, yw;
-        int vmin[] = new int[Math.max(w, h)];
-
-        int divsum = (div + 1) >> 1;
-        divsum *= divsum;
-        int dv[] = new int[256 * divsum];
-        for (i = 0; i < 256 * divsum; i++) {
-            dv[i] = (i / divsum);
-        }
-
-        yw = yi = 0;
-
-        int[][] stack = new int[div][3];
-        int stackpointer;
-        int stackstart;
-        int[] sir;
-        int rbs;
-        int r1 = mRadius + 1;
-        int routsum, goutsum, boutsum;
-        int rinsum, ginsum, binsum;
-
-        for (y = 0; y < h; y++) {
-            rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
-            for (i = -mRadius; i <= mRadius; i++) {
-                p = pix[yi + Math.min(wm, Math.max(i, 0))];
-                sir = stack[i + mRadius];
-                sir[0] = (p & 0xff0000) >> 16;
-                sir[1] = (p & 0x00ff00) >> 8;
-                sir[2] = (p & 0x0000ff);
-                rbs = r1 - Math.abs(i);
-                rsum += sir[0] * rbs;
-                gsum += sir[1] * rbs;
-                bsum += sir[2] * rbs;
-                if (i > 0) {
-                    rinsum += sir[0];
-                    ginsum += sir[1];
-                    binsum += sir[2];
-                } else {
-                    routsum += sir[0];
-                    goutsum += sir[1];
-                    boutsum += sir[2];
-                }
-            }
-            stackpointer = mRadius;
-
-            for (x = 0; x < w; x++) {
-
-                r[yi] = dv[rsum];
-                g[yi] = dv[gsum];
-                b[yi] = dv[bsum];
-
-                rsum -= routsum;
-                gsum -= goutsum;
-                bsum -= boutsum;
-
-                stackstart = stackpointer - mRadius + div;
-                sir = stack[stackstart % div];
-
-                routsum -= sir[0];
-                goutsum -= sir[1];
-                boutsum -= sir[2];
-
-                if (y == 0) {
-                    vmin[x] = Math.min(x + mRadius + 1, wm);
-                }
-                p = pix[yw + vmin[x]];
-
-                sir[0] = (p & 0xff0000) >> 16;
-                sir[1] = (p & 0x00ff00) >> 8;
-                sir[2] = (p & 0x0000ff);
-
-                rinsum += sir[0];
-                ginsum += sir[1];
-                binsum += sir[2];
-
-                rsum += rinsum;
-                gsum += ginsum;
-                bsum += binsum;
-
-                stackpointer = (stackpointer + 1) % div;
-                sir = stack[(stackpointer) % div];
-
-                routsum += sir[0];
-                goutsum += sir[1];
-                boutsum += sir[2];
-
-                rinsum -= sir[0];
-                ginsum -= sir[1];
-                binsum -= sir[2];
-
-                yi++;
-            }
-            yw += w;
-        }
-        for (x = 0; x < w; x++) {
-            rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
-            yp = -mRadius * w;
-            for (i = -mRadius; i <= mRadius; i++) {
-                yi = Math.max(0, yp) + x;
-
-                sir = stack[i + mRadius];
-
-                sir[0] = r[yi];
-                sir[1] = g[yi];
-                sir[2] = b[yi];
-
-                rbs = r1 - Math.abs(i);
-
-                rsum += r[yi] * rbs;
-                gsum += g[yi] * rbs;
-                bsum += b[yi] * rbs;
-
-                if (i > 0) {
-                    rinsum += sir[0];
-                    ginsum += sir[1];
-                    binsum += sir[2];
-                } else {
-                    routsum += sir[0];
-                    goutsum += sir[1];
-                    boutsum += sir[2];
-                }
-
-                if (i < hm) {
-                    yp += w;
-                }
-            }
-            yi = x;
-            stackpointer = mRadius;
-            for (y = 0; y < h; y++) {
-                // Preserve alpha channel: ( 0xff000000 & pix[yi] )
-                pix[yi] = (0xff000000 & pix[yi]) | (dv[rsum] << 16) | (dv[gsum] << 8) | dv[bsum];
-
-                rsum -= routsum;
-                gsum -= goutsum;
-                bsum -= boutsum;
-
-                stackstart = stackpointer - mRadius + div;
-                sir = stack[stackstart % div];
-
-                routsum -= sir[0];
-                goutsum -= sir[1];
-                boutsum -= sir[2];
-
-                if (x == 0) {
-                    vmin[y] = Math.min(y + r1, hm) * w;
-                }
-                p = x + vmin[y];
-
-                sir[0] = r[p];
-                sir[1] = g[p];
-                sir[2] = b[p];
-
-                rinsum += sir[0];
-                ginsum += sir[1];
-                binsum += sir[2];
-
-                rsum += rinsum;
-                gsum += ginsum;
-                bsum += binsum;
-
-                stackpointer = (stackpointer + 1) % div;
-                sir = stack[stackpointer];
-
-                routsum += sir[0];
-                goutsum += sir[1];
-                boutsum += sir[2];
-
-                rinsum -= sir[0];
-                ginsum -= sir[1];
-                binsum -= sir[2];
-
-                yi += w;
-            }
-        }
-
-        bitmap.setPixels(pix, 0, w, 0, 0, w, h);
         source.recycle();
+        rs.destroy();
 
-        return BitmapResource.obtain(bitmap, mBitmapPool);
+        return BitmapResource.obtain(outBitmap, mBitmapPool);
     }
 
     @Override

transformations/src/main/java/jp/wasabeef/glide/transformations/CropSquareTransformation.java

@@ -33,21 +33,15 @@ public class CropSquareTransformation implements Transformation<Bitmap> {
         this.mBitmapPool = pool;
     }
 
-    public CropSquareTransformation(BitmapPool pool, int width, int height) {
-        mBitmapPool = pool;
-        mWidth = width;
-        mHeight = height;
-    }
-
     @Override
     public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
         Bitmap source = resource.get();
         int size = Math.min(source.getWidth(), source.getHeight());
 
-        int width = (source.getWidth() - size) / 2;
-        int height = (source.getHeight() - size) / 2;
+        mWidth = (source.getWidth() - size) / 2;
+        mHeight = (source.getHeight() - size) / 2;
 
-        Bitmap bitmap = Bitmap.createBitmap(source, width, height, size, size);
+        Bitmap bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
         if (bitmap != source) {
             source.recycle();
         }