List of usage examples for android.renderscript Allocation createFromBitmap
static public Allocation createFromBitmap(RenderScript rs, Bitmap b)
From source file:Main.java
/** * Return the histograms for each color channel (interleaved). * * @param rs a {@link RenderScript} context to use. * @param bmap a {@link Bitmap} to generate the histograms for. * @return an array containing NUM_CHANNELS * COLOR_BIT_DEPTH histogram bucket values, with * the color channels interleaved.//from w ww .ja v a2 s.c o m */ public static int[] calcHistograms(RenderScript rs, Bitmap bmap) { ScriptIntrinsicHistogram hist = ScriptIntrinsicHistogram.create(rs, Element.U8_4(rs)); Allocation sums = Allocation.createSized(rs, Element.I32_4(rs), COLOR_BIT_DEPTH); // Setup input allocation (ARGB 8888 bitmap). Allocation input = Allocation.createFromBitmap(rs, bmap); hist.setOutput(sums); hist.forEach(input); int[] output = new int[COLOR_BIT_DEPTH * NUM_CHANNELS]; sums.copyTo(output); return output; }
From source file:com.hellofyc.base.util.ViewUtils.java
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) static void blur(Context context, View view) { view.buildDrawingCache();// w w w . ja v a 2s. com Bitmap srcBitmap = view.getDrawingCache(); float radius = 20f; Bitmap overlay = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(overlay); canvas.translate(-view.getLeft(), -view.getTop()); canvas.drawBitmap(srcBitmap, 0, 0, null); RenderScript script = RenderScript.create(context); Allocation allocation = Allocation.createFromBitmap(script, overlay); ScriptIntrinsicBlur blur = ScriptIntrinsicBlur.create(script, allocation.getElement()); blur.setInput(allocation); blur.setRadius(radius); blur.forEach(allocation); allocation.copyTo(overlay); view.setBackground(new BitmapDrawable(context.getResources(), overlay)); script.destroy(); }
From source file:com.truebanana.bitmap.BitmapUtils.java
@SuppressLint("NewApi") public static Bitmap blur(Context context, Bitmap bitmap, float scale, int radius) { if (SystemUtils.getSDKVersion() >= Build.VERSION_CODES.JELLY_BEAN_MR1) { int width = Math.round(bitmap.getWidth() * scale); int height = Math.round(bitmap.getHeight() * scale); bitmap = Bitmap.createScaledBitmap(bitmap, width, height, false); Bitmap processedBitmap = Bitmap.createBitmap(bitmap); RenderScript rs = RenderScript.create(context); ScriptIntrinsicBlur sib = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); Allocation tmpIn = Allocation.createFromBitmap(rs, bitmap); Allocation tmpOut = Allocation.createFromBitmap(rs, processedBitmap); sib.setRadius(radius);/*from w w w .j av a2 s . c o m*/ sib.setInput(tmpIn); sib.forEach(tmpOut); tmpOut.copyTo(processedBitmap); return processedBitmap; } else { int width = Math.round(bitmap.getWidth() * scale); int height = Math.round(bitmap.getHeight() * scale); bitmap = Bitmap.createScaledBitmap(bitmap, width, height, false); Bitmap processedBitmap = bitmap.copy(bitmap.getConfig(), true); if (radius < 1) { return null; } int w = processedBitmap.getWidth(); int h = processedBitmap.getHeight(); int[] pix = new int[w * h]; processedBitmap.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; } } processedBitmap.setPixels(pix, 0, w, 0, 0, w, h); return processedBitmap; } }
From source file:com.slownet5.pgprootexplorer.filemanager.ui.TabsFragmentOne.java
public 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 = null; if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { 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);// w ww. j ava 2 s . c o m theIntrinsic.forEach(tmpOut); tmpOut.copyTo(outputBitmap); } else { outputBitmap = BlurHelper.doBlur(image, (int) BLUR_RADIUS, false); } return outputBitmap; }
From source file:com.creativeongreen.imageeffects.MainActivity.java
public static Bitmap blurRenderScript(Bitmap bmImage, int radius, View v) { final float BITMAP_SCALE = 0.4f; final float BLUR_RADIUS = 7.5f; int width = Math.round(bmImage.getWidth() * BITMAP_SCALE); int height = Math.round(bmImage.getHeight() * BITMAP_SCALE); Bitmap inputBitmap = Bitmap.createScaledBitmap(bmImage, width, height, false); Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap); RenderScript rs = RenderScript.create(v.getContext()); Allocation tmpIn = Allocation.createFromBitmap(rs, inputBitmap); Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap); //Allocation tmpIn = Allocation.createFromBitmap(rs, bmImage, // Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT); //Allocation tmpOut = Allocation.createTyped(rs, tmpIn.getType()); ScriptIntrinsicBlur theIntrinsic = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); theIntrinsic.setRadius(radius);//w w w.j av a 2s.c o m theIntrinsic.setInput(tmpIn); theIntrinsic.forEach(tmpOut); tmpOut.copyTo(outputBitmap); return outputBitmap; }
From source file:com.codename1.impl.android.AndroidImplementation.java
public Image gaussianBlurImage(Image image, float radius) { try {// w w w . j a v a 2s.c o m Bitmap outputBitmap = Bitmap.createBitmap((Bitmap) image.getImage()); RenderScript rs = RenderScript.create(getContext()); ScriptIntrinsicBlur theIntrinsic = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); Allocation tmpIn = Allocation.createFromBitmap(rs, (Bitmap) image.getImage()); Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap); theIntrinsic.setRadius(radius); theIntrinsic.setInput(tmpIn); theIntrinsic.forEach(tmpOut); tmpOut.copyTo(outputBitmap); return new NativeImage(outputBitmap); } catch (Throwable t) { brokenGaussian = true; return image; } }