Example usage for android.renderscript Allocation createFromBitmap

List of usage examples for android.renderscript Allocation createFromBitmap

Introduction

In this page you can find the example usage for android.renderscript Allocation createFromBitmap.

Prototype

static public Allocation createFromBitmap(RenderScript rs, Bitmap b, MipmapControl mips, int usage) 

Source Link

Document

Creates an Allocation from a android.graphics.Bitmap .

Usage

From source file:Main.java

public static Bitmap makeBlur(Context context, Bitmap sentBitmap, int radius) {

    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN) {
        Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);

        final RenderScript rs = RenderScript.create(context);
        final Allocation input = Allocation.createFromBitmap(rs, sentBitmap,
                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(radius);/*  www  . j av a 2s.co  m*/
        script.setInput(input);
        script.forEach(output);
        output.copyTo(bitmap);
        return bitmap;
    }
    return null;
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private static Bitmap blurBitmap(Bitmap src, float blurRadius, Context context) {
    RenderScript rs = RenderScript.create(context);
    Bitmap.Config conf = Bitmap.Config.ARGB_8888;
    Bitmap blurredBitmap = Bitmap.createBitmap(src.getWidth(), src.getHeight(), conf);

    final Allocation input = Allocation.createFromBitmap(rs, src, Allocation.MipmapControl.MIPMAP_NONE,
            Allocation.USAGE_SCRIPT);//from   w w w.jav a 2 s.c o  m
    final Allocation output = Allocation.createTyped(rs, input.getType());

    final ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
    script.setRadius(blurRadius);
    script.setInput(input);
    script.forEach(output);
    output.copyTo(blurredBitmap);
    return blurredBitmap;
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Bitmap fastBlur(Context context, Bitmap bm, int radius) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
        Bitmap bitmap = bm.copy(bm.getConfig(), true);
        final RenderScript rs = RenderScript.create(context);
        final Allocation input = Allocation.createFromBitmap(rs, bm, Allocation.MipmapControl.MIPMAP_NONE,
                Allocation.USAGE_SCRIPT);
        final Allocation output = Allocation.createTyped(rs, input.getType());
        ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
        script.setRadius(radius);/* www .j av a  2  s.  com*/
        script.setInput(input);
        script.forEach(output);
        output.copyTo(bitmap);

        // clean up renderscript resources
        rs.destroy();
        input.destroy();
        output.destroy();
        script.destroy();

        return bitmap;
    }
    return null;
}

From source file:Main.java

@SuppressLint("NewApi")
public static Bitmap blur(Context context, Bitmap bitmap) {
    if (Build.VERSION.SDK_INT > 16) {
        bitmap = bitmap.copy(bitmap.getConfig(), true);

        final RenderScript rs = RenderScript.create(context);
        final Allocation input = Allocation.createFromBitmap(rs, bitmap, 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(24.f /* e.g. 3.f */);
        script.setInput(input);/*from   w ww  . j a va  2 s.co m*/
        script.forEach(output);
        output.copyTo(bitmap);
    } else {
        bitmap = fastBlur(context, bitmap, 10);
    }
    return bitmap;
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Bitmap fastblur(Context context, Bitmap sentBitmap, float radius) {

    if (Build.VERSION.SDK_INT > 16 && (!Build.MODEL.contains("google_sdk") && !Build.MODEL.contains("Emulator")
            && !Build.MODEL.contains("Android SDK") && !Build.FINGERPRINT.contains("vbox86p"))) {
        Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);

        final RenderScript rs = RenderScript.create(context);
        final Allocation input = Allocation.createFromBitmap(rs, sentBitmap,
                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(radius /* e.g. 3.f */);
        script.setInput(input);/*from   w  w  w.j  a  v a2s  . co m*/
        script.forEach(output);
        output.copyTo(bitmap);
        return bitmap;
    }

    radius *= 0.1;
    return blurfast(sentBitmap, (int) radius);

    // 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>

    /*        try {
     Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
            
     radius *= 0.8;
     if (radius < 1) {
     return (null);
     }
            
     int w = bitmap.getWidth();
     int h = bitmap.getHeight();
            
     int[] pix = new int[w * h];
     Log.e("pix", w + " " + h + " " + pix.length);
     bitmap.getPixels(pix, 0, w, 0, 0, w, h);
            
     int wm = w - 1;
     int hm = h - 1;
     int wh = w * h;
     int div = (int) (radius + radius + 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 = (int) (radius + 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 = (int) -radius; i <= radius; i++) {
     p = pix[yi + Math.min(wm, Math.max(i, 0))];
     sir = stack[((int) (i + radius))];
     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 = (int) radius;
            
     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 = (int) (stackpointer - radius + div);
     sir = stack[stackstart % div];
            
     routsum -= sir[0];
     goutsum -= sir[1];
     boutsum -= sir[2];
            
     if (y == 0) {
     vmin[x] = (int) Math.min(x + radius + 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 = (int) (-radius * w);
     for (i = (int) -radius; i <= radius; i++) {
     yi = Math.max(0, yp) + x;
            
     sir = stack[((int) (i + radius))];
            
     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 = (int) radius;
     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 = (int) (stackpointer - radius + 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);
     return (bitmap);
     } catch (OutOfMemoryError ex) {
     return sentBitmap;
     }*/
}

From source file:Main.java

/**
 * Apply a blur to a Bitmap//from   w w w .j  a v a 2  s  .  co  m
 *
 * @param context    Application context
 * @param sentBitmap Bitmap to be converted
 * @param radius     Desired Radius, 0 &lt; r &lt; 25
 * @return a copy of the image with a blur
 */
@SuppressLint("InlinedApi")
public static Bitmap blur(Context context, Bitmap sentBitmap, int radius) {

    if (radius < 0) {
        radius = 0;
        if (DEBUG) {

        }
    } else if (radius > 25) {
        radius = 25;
        if (DEBUG) {

        }
    }

    if (Build.VERSION.SDK_INT > 16) {
        Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);

        final RenderScript rs = RenderScript.create(context);
        final Allocation input = Allocation.createFromBitmap(rs, sentBitmap,
                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(radius /* e.g. 3.f */);
        script.setInput(input);
        script.forEach(output);
        output.copyTo(bitmap);
        return bitmap;
    }

    // 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 = sentBitmap.copy(sentBitmap.getConfig(), true);

    if (radius < 1) {
        return (null);
    }

    int w = bitmap.getWidth();
    int h = bitmap.getHeight();

    int[] pix = new int[w * h];
    Log.e("pix", w + " " + h + " " + pix.length);
    bitmap.getPixels(pix, 0, w, 0, 0, w, h);

    int wm = w - 1;
    int hm = h - 1;
    int wh = w * h;
    int div = radius + radius + 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 = radius + 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 = -radius; i <= radius; i++) {
            p = pix[yi + Math.min(wm, Math.max(i, 0))];
            sir = stack[i + radius];
            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 = radius;

        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 - radius + div;
            sir = stack[stackstart % div];

            routsum -= sir[0];
            goutsum -= sir[1];
            boutsum -= sir[2];

            if (y == 0) {
                vmin[x] = Math.min(x + radius + 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 = -radius * w;
        for (i = -radius; i <= radius; i++) {
            yi = Math.max(0, yp) + x;

            sir = stack[i + radius];

            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 = radius;
        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 - radius + 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;
        }
    }

    Log.e("pix", w + " " + h + " " + pix.length);
    bitmap.setPixels(pix, 0, w, 0, 0, w, h);
    return (bitmap);
}

From source file:Main.java

/**
 * Create bitmap with blur effect. Use support render script.
 *
 * @param context//  w  w w  .j  ava 2  s  .  co  m
 *            application context
 * @param bitmap
 *            PNG bitmap to convert
 * @param radius
 *            the radius of the blur. Supported range 0 < radius <= 25
 * @return bitmap that has been added blur effect
 */
private static Bitmap addBlurEffect(Context context, Bitmap bitmap, int radius) {
    if ((radius < 0) || (radius > 25)) {
        throw new IllegalArgumentException("Blur radius must be in range [0,25]");
    }

    if (null == bitmap) {
        return null;
    }

    /**
     * Support render script library has bug with blur effect on down
     * versions than <code>Build.VERSION_CODES.JELLY_BEAN</code>. To fix
     * this bug need convert bitmap format to
     * <code>Bitmap.Config.ARGB_8888</code>.
     */
    if (android.os.Build.VERSION.SDK_INT <= android.os.Build.VERSION_CODES.JELLY_BEAN) {
        bitmap = convertBitmapFormatToARGB888(bitmap);
    }

    Bitmap blurBitmap = bitmap.copy(bitmap.getConfig(), true);

    final RenderScript rs = RenderScript.create(context);
    final Allocation input = Allocation.createFromBitmap(rs, bitmap, 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(radius);
    script.setInput(input);
    script.forEach(output);
    output.copyTo(blurBitmap);

    return blurBitmap;
}