package hello.dcsms.omzen.serajrblur;
import java.util.ArrayList;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.renderscript.Allocation;
import android.renderscript.Element;
import android.renderscript.RenderScript;
import android.renderscript.ScriptIntrinsicBlur;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Display;
import android.view.Surface;
import android.view.SurfaceControl;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import de.robv.android.xposed.XposedHelpers;
public class Utils {
public static int getAndroidAPILevel() {
// retorna o n�mero da API en que o programa est� rodando
return android.os.Build.VERSION.SDK_INT;
}
public static ArrayList<View> getAllChildrenViews(View view) {
if (!(view instanceof ViewGroup)) {
ArrayList<View> viewArrayList = new ArrayList<View>();
viewArrayList.add(view);
return viewArrayList;
}
ArrayList<View> result = new ArrayList<View>();
ViewGroup viewGroup = (ViewGroup) view;
for (int i = 0; i < viewGroup.getChildCount(); i++) {
View child = viewGroup.getChildAt(i);
ArrayList<View> viewArrayList = new ArrayList<View>();
viewArrayList.add(view);
viewArrayList.addAll(getAllChildrenViews(child));
result.addAll(viewArrayList);
}
return result;
}
public static int[] getRealScreenDimensions(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
display.getRealMetrics(metrics);
return new int[] { metrics.widthPixels, metrics.heightPixels };
}
public static Bitmap takeSurfaceScreenshot(Context context) {
WindowManager wm = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
Matrix displayMatrix = new Matrix();
Bitmap screenBitmap = null;
display.getRealMetrics(metrics);
float[] dims = { metrics.widthPixels, metrics.heightPixels };
float degrees = getDegreesForRotation(display.getRotation());
boolean requiresRotation = degrees > 0;
if (requiresRotation) {
// Get the dimensions of the device in its native orientation
displayMatrix.reset();
displayMatrix.preRotate(-degrees);
displayMatrix.mapPoints(dims);
dims[0] = Math.abs(dims[0]);
dims[1] = Math.abs(dims[1]);
}
if (getAndroidAPILevel() >= 18) {
// 4.3+
screenBitmap = SurfaceControl.screenshot((int) dims[0],
(int) dims[1]);
} else {
// 4.1.2 e 4.2.2
try {
// reflection
Class<?> Surface = Class.forName("android.view.Surface");
screenBitmap = (Bitmap) XposedHelpers.callStaticMethod(Surface,
"screenshot", (int) dims[0], (int) dims[1]);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
// poss�vel app que precisa de seguran�a rodando, ou
// o context n�o tem previl�gios suficientes par tal
if (screenBitmap == null) {
// informa e retorna
Log.i("serajr_blurred_system_ui",
"Cannot take surface screenshot! Skipping blur feature!!");
return null;
}
if (requiresRotation) {
// Rotate the screenshot to the current orientation
Bitmap ss = Bitmap.createBitmap(metrics.widthPixels,
metrics.heightPixels, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(ss);
c.translate(ss.getWidth() / 2, ss.getHeight() / 2);
c.rotate(360f - degrees);
c.translate(-dims[0] / 2, -dims[1] / 2);
c.drawBitmap(screenBitmap, 0, 0, null);
c.setBitmap(null);
screenBitmap = ss;
}
// Optimizations
screenBitmap.setHasAlpha(false);
screenBitmap.prepareToDraw();
// retorna
return screenBitmap;
}
private static float getDegreesForRotation(int value) {
switch (value) {
case Surface.ROTATION_90:
return 90f;
case Surface.ROTATION_180:
return 180f;
case Surface.ROTATION_270:
return 270f;
}
return 0f;
}
@SuppressLint("NewApi")
public static class Blur {
private static RenderScript mRenderScript;
private static ScriptIntrinsicBlur mScriptIntrinsicBlur;
public static void initRenderScript(Context context) {
// inicia os campos est�ticos
if (mRenderScript == null) {
mRenderScript = RenderScript.create(context);
mScriptIntrinsicBlur = ScriptIntrinsicBlur.create(
mRenderScript, Element.U8_4(mRenderScript));
}
}
public static Bitmap renderScriptBlur(Bitmap bitmap, int radius) {
// n�o iniciado ?
if (mRenderScript == null)
return null;
Allocation input = Allocation.createFromBitmap(mRenderScript,
bitmap);
Allocation output = Allocation.createTyped(mRenderScript,
input.getType());
mScriptIntrinsicBlur.setRadius(radius);
mScriptIntrinsicBlur.setInput(input);
mScriptIntrinsicBlur.forEach(output);
output.copyTo(bitmap);
return bitmap;
}
public static Bitmap stackBlur(Bitmap bitmap, int radius) {
if (radius < 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 = 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++) {
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;
}
}
bitmap.setPixels(pix, 0, w, 0, 0, w, h);
return bitmap;
}
}
}