Java Allocation.createFromBitmap方法代码示例

import android.renderscript.Allocation; //导入方法依赖的package包/类
private static Bitmap blur(Context context, Bitmap image) {

        int width = Math.round(image.getWidth() * BITMAP_SCALE);
        int height = Math.round(image.getHeight() * BITMAP_SCALE);

        Bitmap inputBitmap = Bitmap.createScaledBitmap(image, width, height, false);
        Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

        RenderScript rs = RenderScript.create(context);
        ScriptIntrinsicBlur theIntrinsic = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
        Allocation tmpIn = Allocation.createFromBitmap(rs, inputBitmap);
        Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap);
        theIntrinsic.setRadius(BLUR_RADIUS);
        theIntrinsic.setInput(tmpIn);
        theIntrinsic.forEach(tmpOut);
        tmpOut.copyTo(outputBitmap);

        return outputBitmap;
    }
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
/**
 * renderScript模糊图片
 * <p>API大于17</p>
 *
 * @param src     源图片
 * @param radius  模糊半径(0...25)
 * @param recycle 是否回收
 * @return 模糊后的图片
 */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Bitmap renderScriptBlur(final Bitmap src,
                                      @FloatRange(from = 0, to = 25, fromInclusive = false) final float radius,
                                      final boolean recycle) {
    if (isEmptyBitmap(src)) return null;
    RenderScript rs = null;
    Bitmap ret = recycle ? src : src.copy(src.getConfig(), true);
    try {
        rs = RenderScript.create(Utils.getApp());
        rs.setMessageHandler(new RenderScript.RSMessageHandler());
        Allocation input = Allocation.createFromBitmap(rs, ret, Allocation.MipmapControl.MIPMAP_NONE, Allocation
                .USAGE_SCRIPT);
        Allocation output = Allocation.createTyped(rs, input.getType());
        ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
        blurScript.setInput(input);
        blurScript.setRadius(radius);
        blurScript.forEach(output);
        output.copyTo(ret);
    } finally {
        if (rs != null) {
            rs.destroy();
        }
    }
    return ret;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
/**
 * renderScript模糊图片
 * <p>API大于17</p>
 *
 * @param src     源图片
 * @param radius  模糊半径(0...25)
 * @return 模糊后的图片
 */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Bitmap renderScriptBlur(Bitmap src, @FloatRange(from = 0, to = 25, fromInclusive = false) float radius) {
    if (isEmptyBitmap(src)) return null;
    RenderScript rs = null;
    try {
        rs = RenderScript.create(Utils.getContext());
        rs.setMessageHandler(new RenderScript.RSMessageHandler());
        Allocation input = Allocation.createFromBitmap(rs, src, Allocation.MipmapControl.MIPMAP_NONE, Allocation
                .USAGE_SCRIPT);
        Allocation output = Allocation.createTyped(rs, input.getType());
        ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
        blurScript.setInput(input);
        blurScript.setRadius(radius);
        blurScript.forEach(output);
        output.copyTo(src);
    } finally {
        if (rs != null) {
            rs.destroy();
        }
    }
    return src;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap ten(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final   ScriptIntrinsicColorMatrix colorMatrix10 = ScriptIntrinsicColorMatrix.create(renderScript, Element.U8_4(renderScript));
    colorMatrix10.setColorMatrix(new android.renderscript.Matrix4f(new float[]
            {
                    1f, 0f, 0.1f, -0.1f,
                    0f, 1f, 0.2f, 0f,
                    0f, 0f, 1.3f, 0f,
                    0f, 0f, 0f, 1

            }));
    colorMatrix10.forEach(inputAllocation, outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
public static Drawable createBlurredImageFromBitmap(Bitmap bitmap, Context context, int inSampleSize) {

        RenderScript rs = RenderScript.create(context);
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inSampleSize = inSampleSize;

        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
        byte[] imageInByte = stream.toByteArray();
        ByteArrayInputStream bis = new ByteArrayInputStream(imageInByte);
        Bitmap blurTemplate = BitmapFactory.decodeStream(bis, null, options);

        final Allocation input = Allocation.createFromBitmap(rs, blurTemplate);
        final Allocation output = Allocation.createTyped(rs, input.getType());
        final ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
        script.setRadius(8f);
        script.setInput(input);
        script.forEach(output);
        output.copyTo(blurTemplate);

        return new BitmapDrawable(context.getResources(), blurTemplate);
    }
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap fourteen(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final ScriptIntrinsicConvolve3x3 convolve2 = ScriptIntrinsicConvolve3x3.create(renderScript, Element.U8_4(renderScript));
    convolve2.setInput(inputAllocation);
    convolve2.setCoefficients(new float[]
            {
                    .2f, .3f, .2f, .1f, .1f, .1f, .2f, .3f, .2f,

            });
    convolve2.forEach(outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap sixteen(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final ScriptIntrinsicColorMatrix colorMatrix14 = ScriptIntrinsicColorMatrix.create(renderScript, Element.U8_4(renderScript));
    colorMatrix14.setColorMatrix(new android.renderscript.Matrix4f(new float[]
            {

                    1.27488526960083f, -0.228511311848763f,   0.441088688151237f,  0,
                    0.323664244263542f,  0.955140825713134f,  -0.705935755736458f,  0,
                    -0.698549513864371f, 0.173370486135629f ,  1.16484706758522f  ,0,
                    0,0,0,1


            }));
    colorMatrix14.forEach(inputAllocation, outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
/**
 * renderScript模糊图片
 * <p>API大于17</p>
 *
 * @param context 上下文
 * @param src 源图片
 * @param radius 模糊半径(0...25)
 * @return 模糊后的图片
 */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Bitmap renderScriptBlur(Context context, Bitmap src, @FloatRange(from = 0, to = 25, fromInclusive = false) float radius) {
    if (isEmptyBitmap(src)) {
        return null;
    }
    RenderScript rs = null;
    try {
        rs = RenderScript.create(context);
        rs.setMessageHandler(new RenderScript.RSMessageHandler());
        Allocation input = Allocation
                .createFromBitmap(rs, src, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);
        Allocation output = Allocation.createTyped(rs, input.getType());
        ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur
                .create(rs, Element.U8_4(rs));
        blurScript.setInput(input);
        blurScript.setRadius(radius);
        blurScript.forEach(output);
        output.copyTo(src);
    } finally {
        if (rs != null) {
            rs.destroy();
        }
    }
    return src;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
public static Bitmap rsBlur(Context context, Bitmap source, int radius) {

        // 计算图片缩小后的长宽
        int width = Math.round(source.getWidth() * BITMAP_SCALE);
        int height = Math.round(source.getHeight() * BITMAP_SCALE);

        // 将缩小后的图片做为预渲染的图片
        Bitmap inputBitmap = Bitmap.createScaledBitmap(source, width, height, false);

        RenderScript renderScript = RenderScript.create(context);
        final Allocation input = Allocation.createFromBitmap(renderScript, inputBitmap);
        final Allocation outPut = Allocation.createTyped(renderScript, input.getType());

        ScriptIntrinsicBlur scriptIntrinsicBlur = ScriptIntrinsicBlur.create(renderScript,
                Element.U8_4(renderScript));
        scriptIntrinsicBlur.setInput(input);
        scriptIntrinsicBlur.setRadius(radius);
        scriptIntrinsicBlur.forEach(outPut);
        outPut.copyTo(inputBitmap);
        renderScript.destroy();

        return inputBitmap;
    }
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap three(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final ScriptIntrinsicColorMatrix colorMatrix3 = ScriptIntrinsicColorMatrix.create(renderScript, Element.U8_4(renderScript));
    colorMatrix3.setColorMatrix(new android.renderscript.Matrix4f(new float[]
            {
                    0f, 0f, 0f, 0f,
                    0f, 0.78f, 0f, 0f,
                    0f, 0f, 1f, 0f,
                    0f, 0f, 0f, 1f,
            }));
    colorMatrix3.forEach(inputAllocation, outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap four(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final ScriptIntrinsicColorMatrix colorMatrix4 = ScriptIntrinsicColorMatrix.create(renderScript, Element.U8_4(renderScript));
    colorMatrix4.setColorMatrix(new android.renderscript.Matrix4f(new float[]
            {
                    0.3f, 0f, 0f, 0f,
                    0f, 0.65f, 0f, 0f,
                    0f, 0f, 0.49f, 0f,
                    0f, 0f, 0f, 1f


            }));
    colorMatrix4.forEach(inputAllocation, outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap five(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final  ScriptIntrinsicColorMatrix colorMatrix5 = ScriptIntrinsicColorMatrix.create(renderScript, Element.U8_4(renderScript));
    colorMatrix5.setColorMatrix(new android.renderscript.Matrix4f(new float[]
            {
                    -0.359705309629158f, 0.377252728606377f, 0.663841667303255f, 0f,
                    1.56680818833214f, 0.456668209492391f, 1.12613917506705f, 0f,
                    -0.147102878702981f, 0.226079061901232f, -0.729980842370303f, 0f,
                    0f, 0f, 0f, 1f
            }));
    colorMatrix5.forEach(inputAllocation, outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
public Bitmap six(Context context, Bitmap bitmap){
    renderScript=RenderScript.create(context);
    outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
    inputAllocation=Allocation.createFromBitmap(renderScript,bitmap);
    outputAllocation=Allocation.createTyped(renderScript,inputAllocation.getType());
    final ScriptIntrinsicColorMatrix colorMatrix6 = ScriptIntrinsicColorMatrix.create(renderScript, Element.U8_4(renderScript));
    colorMatrix6.setColorMatrix(new android.renderscript.Matrix4f(new float[]
            {
                    1.2f, 0.1f, 0.2f, 0.7f,

                    0.7f, 1f, 0f, -0.5f,
                    -0.7f, 0.2f, 0.5f, 1.3f,
                    0, -0.1f, 0f, 0.9f
            }));
    colorMatrix6.forEach(inputAllocation, outputAllocation);
    outputAllocation.copyTo(outBitmap);
    return outBitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
/**
 * @param bitmap     bitmap to blur
 * @param blurRadius blur radius (1..25)
 * @return blurred bitmap
 */
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR1)
@Override
public final Bitmap blur(Bitmap bitmap, float blurRadius) {
    //Allocation will use the same backing array of pixels as bitmap if created with USAGE_SHARED flag
    Allocation inAllocation = Allocation.createFromBitmap(renderScript, bitmap);

    if (!canReuseAllocation(bitmap)) {
        if (outAllocation != null) {
            outAllocation.destroy();
        }
        outAllocation = Allocation.createTyped(renderScript, inAllocation.getType());
        lastBitmapWidth = bitmap.getWidth();
        lastBitmapHeight = bitmap.getHeight();
    }

    blurScript.setRadius(blurRadius);
    blurScript.setInput(inAllocation);
    //do not use inAllocation in forEach. it will cause visual artifacts on blurred Bitmap
    blurScript.forEach(outAllocation);
    outAllocation.copyTo(bitmap);

    inAllocation.destroy();
    return bitmap;
}
 

import android.renderscript.Allocation; //导入方法依赖的package包/类
public  Bitmap blur(Context context, Bitmap image,float radius) {
    int width = Math.round(image.getWidth() * 1.0f);
    int height = Math.round(image.getHeight() * 1.0f);
    Bitmap inputBitmap = Bitmap.createScaledBitmap(image, width, height, false);
    Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

    RenderScript rs = RenderScript.create(context);
    ScriptIntrinsicBlur theIntrinsic = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
    Allocation tmpIn = Allocation.createFromBitmap(rs, inputBitmap);
    Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap);
    theIntrinsic.setRadius(radius);
    theIntrinsic.setInput(tmpIn);
    theIntrinsic.forEach(tmpOut);
    tmpOut.copyTo(outputBitmap);

    return outputBitmap;
}