some filters fix + added more filters codebase

This commit is contained in:
gdlbo
2022-07-12 15:21:05 +03:00
parent 5f68809d9c
commit 049940f3bb
4 changed files with 996 additions and 104 deletions
@@ -0,0 +1,98 @@
package ru.vtosters.lite.ui.wallpapers;
import android.graphics.Bitmap;
import android.graphics.Color;
public class ConvolutionMatrix{
public static final int SIZE = 3;
public double[][] Matrix;
public double Factor = 1;
public double Offset = 1;
public ConvolutionMatrix(int size){
Matrix = new double[size][size];
}
public static Bitmap computeConvolution3x3(Bitmap src, ConvolutionMatrix matrix){
int width = src.getWidth();
int height = src.getHeight();
Bitmap result = Bitmap.createBitmap(width, height, src.getConfig());
int A, R, G, B;
int sumR, sumG, sumB;
int[][] pixels = new int[SIZE][SIZE];
for (int y = 0; y < height - 2; ++y) {
for (int x = 0; x < width - 2; ++x) {
// get pixel matrix
for (int i = 0; i < SIZE; ++i) {
for (int j = 0; j < SIZE; ++j) {
pixels[i][j] = src.getPixel(x + i, y + j);
}
}
// get alpha of center pixel
A = Color.alpha(pixels[1][1]);
// init color sum
sumR = sumG = sumB = 0;
// get sum of RGB on matrix
for (int i = 0; i < SIZE; ++i) {
for (int j = 0; j < SIZE; ++j) {
sumR += (Color.red(pixels[i][j]) * matrix.Matrix[i][j]);
sumG += (Color.green(pixels[i][j]) * matrix.Matrix[i][j]);
sumB += (Color.blue(pixels[i][j]) * matrix.Matrix[i][j]);
}
}
// get final Red
R = (int) (sumR / matrix.Factor + matrix.Offset);
if (R < 0) {
R = 0;
} else if (R > 255) {
R = 255;
}
// get final Green
G = (int) (sumG / matrix.Factor + matrix.Offset);
if (G < 0) {
G = 0;
} else if (G > 255) {
G = 255;
}
// get final Blue
B = (int) (sumB / matrix.Factor + matrix.Offset);
if (B < 0) {
B = 0;
} else if (B > 255) {
B = 255;
}
// apply new pixel
result.setPixel(x + 1, y + 1, Color.argb(A, R, G, B));
}
}
// final image
return result;
}
public void setAll(double value){
for (int x = 0; x < SIZE; ++x) {
for (int y = 0; y < SIZE; ++y) {
Matrix[x][y] = value;
}
}
}
public void applyConfig(double[][] config){
for (int x = 0; x < SIZE; ++x) {
for (int y = 0; y < SIZE; ++y) {
Matrix[x][y] = config[x][y];
}
}
}
}
@@ -0,0 +1,894 @@
package ru.vtosters.lite.ui.wallpapers;
import static ru.vtosters.lite.utils.Globals.getPreferences;
import static ru.vtosters.lite.utils.Globals.getResources;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import com.vk.medianative.MediaNative;
import java.util.Random;
public class ImageFilters{
public static final double PI = 3.14159d;
public static final double HALF_CIRCLE_DEGREE = 180d;
public static final double RANGE = 256d;
public static final int COLOR_MIN = 0x00;
public static final int COLOR_MAX = 0xFF;
public static Drawable getBlurredWallpaper(Drawable orig, int radius){
try {
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig; // we need only BitmapDrawable
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
MediaNative.blurBitmap(instance, radius);
return new BitmapDrawable(getResources(), instance);
} catch (Exception e) {
e.printStackTrace();
return orig;
}
}
public static Drawable getMosaic(Drawable orig){
int scale = 100;
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig;
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
String radius = getPreferences().getString("msg_mosaic", "disabled");
switch(radius) {
case "high":
scale = 25;
break;
case "med":
scale = 50;
break;
case "low":
scale = 75;
}
Bitmap temp = Bitmap.createScaledBitmap(instance, scale, scale, false);
Bitmap mosaicBitmap = Bitmap.createScaledBitmap(temp, instance.getWidth(), instance.getHeight(), false);
return new BitmapDrawable(getResources(), mosaicBitmap);
}
public static Drawable getDimmed(Drawable orig){
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig;
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
String radius = getPreferences().getString("msg_dim", "disabled");
switch(radius) {
case "dim_black":
darken(instance);
case "dim_white":
lighten(instance);
}
return new BitmapDrawable(getResources(), instance);
}
public static Drawable getMonochrome(Drawable orig){
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig;
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
Bitmap bwBitmap = Bitmap.createBitmap(instance.getWidth(), instance.getHeight(), Bitmap.Config.RGB_565);
float[] hsv = new float[3];
for (int col = 0; col < instance.getWidth(); col++) {
for (int row = 0; row < instance.getHeight(); row++) {
Color.colorToHSV(instance.getPixel(col, row), hsv);
if (hsv[2] > 0.5f) {
bwBitmap.setPixel(col, row, 0xffffffff);
} else {
bwBitmap.setPixel(col, row, 0xff000000);
}
}
}
return new BitmapDrawable(getResources(), bwBitmap);
}
private static void darken(Bitmap bm){
Canvas canvas = new Canvas(bm);
Paint p = new Paint(Color.RED);
ColorFilter filter = new LightingColorFilter(0xFF7F7F7F, 0x00000000); // darken
p.setColorFilter(filter);
canvas.drawBitmap(bm, new Matrix(), p);
}
private static void lighten(Bitmap bm){
Canvas canvas = new Canvas(bm);
Paint p = new Paint(Color.RED);
ColorFilter filter = new LightingColorFilter(0xFFFFFFFF, 0x00222222); // lighten
p.setColorFilter(filter);
canvas.drawBitmap(bm, new Matrix(), p);
}
public Bitmap applyHighlightEffect(Bitmap src){
// create new bitmap, which will be painted and becomes result image
Bitmap bmOut = Bitmap.createBitmap(src.getWidth() + 96, src.getHeight() + 96, Bitmap.Config.ARGB_8888);
// setup canvas for painting
Canvas canvas = new Canvas(bmOut);
// setup default color
canvas.drawColor(0, PorterDuff.Mode.CLEAR);
// create a blur paint for capturing alpha
Paint ptBlur = new Paint();
ptBlur.setMaskFilter(new BlurMaskFilter(15, BlurMaskFilter.Blur.NORMAL));
int[] offsetXY = new int[2];
// capture alpha into a bitmap
Bitmap bmAlpha = src.extractAlpha(ptBlur, offsetXY);
// create a color paint
Paint ptAlphaColor = new Paint();
ptAlphaColor.setColor(0xFFFFFFFF);
// paint color for captured alpha region (bitmap)
canvas.drawBitmap(bmAlpha, offsetXY[0], offsetXY[1], ptAlphaColor);
// free memory
bmAlpha.recycle();
// paint the image source
canvas.drawBitmap(src, 0, 0, null);
// return out final image
return bmOut;
}
public Bitmap applyInvertEffect(Bitmap src){
// create new bitmap with the same settings as source bitmap
Bitmap bmOut = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig());
// color info
int A, R, G, B;
int pixelColor;
// image size
int height = src.getHeight();
int width = src.getWidth();
// scan through every pixel
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
// get one pixel
pixelColor = src.getPixel(x, y);
// saving alpha channel
A = Color.alpha(pixelColor);
// inverting byte for each R/G/B channel
R = 255 - Color.red(pixelColor);
G = 255 - Color.green(pixelColor);
B = 255 - Color.blue(pixelColor);
// set newly-inverted pixel to output image
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final bitmap
return bmOut;
}
public Bitmap applyGreyscaleEffect(Bitmap src){
// constant factors
final double GS_RED = 0.299;
final double GS_GREEN = 0.587;
final double GS_BLUE = 0.114;
// create output bitmap
Bitmap bmOut = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig());
// pixel information
int A, R, G, B;
int pixel;
// get image size
int width = src.getWidth();
int height = src.getHeight();
// scan through every single pixel
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get one pixel color
pixel = src.getPixel(x, y);
// retrieve color of all channels
A = Color.alpha(pixel);
R = Color.red(pixel);
G = Color.green(pixel);
B = Color.blue(pixel);
// take conversion up to one single value
R = G = B = (int) (GS_RED * R + GS_GREEN * G + GS_BLUE * B);
// set new pixel color to output bitmap
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
//Gamma Image (R, G, B) = (1.8, 1.8, 1.8)
public Bitmap applyGammaEffect(Bitmap src, double red, double green, double blue){
// create output image
Bitmap bmOut = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig());
// get image size
int width = src.getWidth();
int height = src.getHeight();
// color information
int A, R, G, B;
int pixel;
// constant value curve
final int MAX_SIZE = 256;
final double MAX_VALUE_DBL = 255.0;
final int MAX_VALUE_INT = 255;
final double REVERSE = 1.0;
// gamma arrays
int[] gammaR = new int[MAX_SIZE];
int[] gammaG = new int[MAX_SIZE];
int[] gammaB = new int[MAX_SIZE];
// setting values for every gamma channels
for (int i = 0; i < MAX_SIZE; ++i) {
gammaR[i] = (int) Math.min(MAX_VALUE_INT,
(int) ((MAX_VALUE_DBL * Math.pow(i / MAX_VALUE_DBL, REVERSE / red)) + 0.5));
gammaG[i] = (int) Math.min(MAX_VALUE_INT,
(int) ((MAX_VALUE_DBL * Math.pow(i / MAX_VALUE_DBL, REVERSE / green)) + 0.5));
gammaB[i] = (int) Math.min(MAX_VALUE_INT,
(int) ((MAX_VALUE_DBL * Math.pow(i / MAX_VALUE_DBL, REVERSE / blue)) + 0.5));
}
// apply gamma table
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get pixel color
pixel = src.getPixel(x, y);
A = Color.alpha(pixel);
// look up gamma
R = gammaR[Color.red(pixel)];
G = gammaG[Color.green(pixel)];
B = gammaB[Color.blue(pixel)];
// set new color to output bitmap
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
public Bitmap applyColorFilterEffect(Bitmap src, double red, double green, double blue){
// image size
int width = src.getWidth();
int height = src.getHeight();
// create output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
// color information
int A, R, G, B;
int pixel;
// scan through all pixels
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get pixel color
pixel = src.getPixel(x, y);
// apply filtering on each channel R, G, B
A = Color.alpha(pixel);
R = (int) (Color.red(pixel) * red);
G = (int) (Color.green(pixel) * green);
B = (int) (Color.blue(pixel) * blue);
// set new color pixel to output bitmap
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
public Bitmap applySepiaToningEffect(Bitmap src, int depth, double red, double green, double blue){
// image size
int width = src.getWidth();
int height = src.getHeight();
// create output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
// constant grayscale
final double GS_RED = 0.3;
final double GS_GREEN = 0.59;
final double GS_BLUE = 0.11;
// color information
int A, R, G, B;
int pixel;
// scan through all pixels
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get pixel color
pixel = src.getPixel(x, y);
// get color on each channel
A = Color.alpha(pixel);
R = Color.red(pixel);
G = Color.green(pixel);
B = Color.blue(pixel);
// apply grayscale sample
B = G = R = (int) (GS_RED * R + GS_GREEN * G + GS_BLUE * B);
// apply intensity level for sepid-toning on each channel
R += (depth * red);
if (R > 255) {
R = 255;
}
G += (depth * green);
if (G > 255) {
G = 255;
}
B += (depth * blue);
if (B > 255) {
B = 255;
}
// set new pixel color to output image
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
public Bitmap applyDecreaseColorDepthEffect(Bitmap src, int bitOffset){
// get image size
int width = src.getWidth();
int height = src.getHeight();
// create output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
// color information
int A, R, G, B;
int pixel;
// scan through all pixels
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get pixel color
pixel = src.getPixel(x, y);
A = Color.alpha(pixel);
R = Color.red(pixel);
G = Color.green(pixel);
B = Color.blue(pixel);
// round-off color offset
R = ((R + (bitOffset / 2)) - ((R + (bitOffset / 2)) % bitOffset) - 1);
if (R < 0) {
R = 0;
}
G = ((G + (bitOffset / 2)) - ((G + (bitOffset / 2)) % bitOffset) - 1);
if (G < 0) {
G = 0;
}
B = ((B + (bitOffset / 2)) - ((B + (bitOffset / 2)) % bitOffset) - 1);
if (B < 0) {
B = 0;
}
// set pixel color to output bitmap
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
public Bitmap applyContrastEffect(Bitmap src, double value){
// image size
int width = src.getWidth();
int height = src.getHeight();
// create output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
// color information
int A, R, G, B;
int pixel;
// get contrast value
double contrast = Math.pow((100 + value) / 100, 2);
// scan through all pixels
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get pixel color
pixel = src.getPixel(x, y);
A = Color.alpha(pixel);
// apply filter contrast for every channel R, G, B
R = Color.red(pixel);
R = (int) (((((R / 255.0) - 0.5) * contrast) + 0.5) * 255.0);
if (R < 0) {
R = 0;
} else if (R > 255) {
R = 255;
}
G = Color.red(pixel);
G = (int) (((((G / 255.0) - 0.5) * contrast) + 0.5) * 255.0);
if (G < 0) {
G = 0;
} else if (G > 255) {
G = 255;
}
B = Color.red(pixel);
B = (int) (((((B / 255.0) - 0.5) * contrast) + 0.5) * 255.0);
if (B < 0) {
B = 0;
} else if (B > 255) {
B = 255;
}
// set new pixel color to output bitmap
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
public Bitmap applyBrightnessEffect(Bitmap src, int value){
// image size
int width = src.getWidth();
int height = src.getHeight();
// create output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
// color information
int A, R, G, B;
int pixel;
// scan through all pixels
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
// get pixel color
pixel = src.getPixel(x, y);
A = Color.alpha(pixel);
R = Color.red(pixel);
G = Color.green(pixel);
B = Color.blue(pixel);
// increase/decrease each channel
R += value;
if (R > 255) {
R = 255;
} else if (R < 0) {
R = 0;
}
G += value;
if (G > 255) {
G = 255;
} else if (G < 0) {
G = 0;
}
B += value;
if (B > 255) {
B = 255;
} else if (B < 0) {
B = 0;
}
// apply new pixel color to output bitmap
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
// return final image
return bmOut;
}
public Bitmap applyGaussianBlurEffect(Bitmap src){
double[][] GaussianBlurConfig = new double[][] {
{1, 2, 1},
{2, 4, 2},
{1, 2, 1}
};
ConvolutionMatrix convMatrix = new ConvolutionMatrix(3);
convMatrix.applyConfig(GaussianBlurConfig);
convMatrix.Factor = 16;
convMatrix.Offset = 0;
return ConvolutionMatrix.computeConvolution3x3(src, convMatrix);
}
public Bitmap applySharpenEffect(Bitmap src, double weight){
double[][] SharpConfig = new double[][] {
{0, -2, 0},
{-2, weight, -2},
{0, -2, 0}
};
ConvolutionMatrix convMatrix = new ConvolutionMatrix(3);
convMatrix.applyConfig(SharpConfig);
convMatrix.Factor = weight - 8;
return ConvolutionMatrix.computeConvolution3x3(src, convMatrix);
}
public Bitmap applyMeanRemovalEffect(Bitmap src){
double[][] MeanRemovalConfig = new double[][] {
{-1, -1, -1},
{-1, 9, -1},
{-1, -1, -1}
};
ConvolutionMatrix convMatrix = new ConvolutionMatrix(3);
convMatrix.applyConfig(MeanRemovalConfig);
convMatrix.Factor = 1;
convMatrix.Offset = 0;
return ConvolutionMatrix.computeConvolution3x3(src, convMatrix);
}
public Bitmap applySmoothEffect(Bitmap src, double value){
ConvolutionMatrix convMatrix = new ConvolutionMatrix(3);
convMatrix.setAll(1);
convMatrix.Matrix[1][1] = value;
convMatrix.Factor = value + 8;
convMatrix.Offset = 1;
return ConvolutionMatrix.computeConvolution3x3(src, convMatrix);
}
public Bitmap applyEmbossEffect(Bitmap src){
double[][] EmbossConfig = new double[][] {
{-1, 0, -1},
{0, 4, 0},
{-1, 0, -1}
};
ConvolutionMatrix convMatrix = new ConvolutionMatrix(3);
convMatrix.applyConfig(EmbossConfig);
convMatrix.Factor = 1;
convMatrix.Offset = 127;
return ConvolutionMatrix.computeConvolution3x3(src, convMatrix);
}
public Bitmap applyEngraveEffect(Bitmap src){
ConvolutionMatrix convMatrix = new ConvolutionMatrix(3);
convMatrix.setAll(0);
convMatrix.Matrix[0][0] = -2;
convMatrix.Matrix[1][1] = 2;
convMatrix.Factor = 1;
convMatrix.Offset = 95;
return ConvolutionMatrix.computeConvolution3x3(src, convMatrix);
}
public Bitmap applyBoostEffect(Bitmap src, int type, float percent){
int width = src.getWidth();
int height = src.getHeight();
Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
int A, R, G, B;
int pixel;
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
pixel = src.getPixel(x, y);
A = Color.alpha(pixel);
R = Color.red(pixel);
G = Color.green(pixel);
B = Color.blue(pixel);
if (type == 1) {
R = (int) (R * (1 + percent));
if (R > 255) R = 255;
} else if (type == 2) {
G = (int) (G * (1 + percent));
if (G > 255) G = 255;
} else if (type == 3) {
B = (int) (B * (1 + percent));
if (B > 255) B = 255;
}
bmOut.setPixel(x, y, Color.argb(A, R, G, B));
}
}
return bmOut;
}
public Bitmap applyRoundCornerEffect(Bitmap src, float round){
// image size
int width = src.getWidth();
int height = src.getHeight();
// create bitmap output
Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
// set canvas for painting
Canvas canvas = new Canvas(result);
canvas.drawARGB(0, 0, 0, 0);
// config paint
final Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(Color.BLACK);
// config rectangle for embedding
final Rect rect = new Rect(0, 0, width, height);
final RectF rectF = new RectF(rect);
// draw rect to canvas
canvas.drawRoundRect(rectF, round, round, paint);
// create Xfer mode
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
// draw source image to canvas
canvas.drawBitmap(src, rect, rect, paint);
// return final image
return result;
}
public Bitmap applyTintEffect(Bitmap src, int degree){
int width = src.getWidth();
int height = src.getHeight();
int[] pix = new int[width * height];
src.getPixels(pix, 0, width, 0, 0, width, height);
int RY, GY, BY, RYY, GYY, BYY, R, G, B, Y;
double angle = (PI * (double) degree) / HALF_CIRCLE_DEGREE;
int S = (int) (RANGE * Math.sin(angle));
int C = (int) (RANGE * Math.cos(angle));
for (int y = 0; y < height; y++)
for (int x = 0; x < width; x++) {
int index = y * width + x;
int r = (pix[index] >> 16) & 0xff;
int g = (pix[index] >> 8) & 0xff;
int b = pix[index] & 0xff;
RY = (70 * r - 59 * g - 11 * b) / 100;
GY = (-30 * r + 41 * g - 11 * b) / 100;
BY = (-30 * r - 59 * g + 89 * b) / 100;
Y = (30 * r + 59 * g + 11 * b) / 100;
RYY = (S * BY + C * RY) / 256;
BYY = (C * BY - S * RY) / 256;
GYY = (-51 * RYY - 19 * BYY) / 100;
R = Y + RYY;
R = (R < 0) ? 0 : (Math.min(R, 255));
G = Y + GYY;
G = (G < 0) ? 0 : (Math.min(G, 255));
B = Y + BYY;
B = (B < 0) ? 0 : (Math.min(B, 255));
pix[index] = 0xff000000 | (R << 16) | (G << 8) | B;
}
Bitmap outBitmap = Bitmap.createBitmap(width, height, src.getConfig());
outBitmap.setPixels(pix, 0, width, 0, 0, width, height);
pix = null;
return outBitmap;
}
public Bitmap applyFleaEffect(Bitmap source){
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
// a random object
Random random = new Random();
int index = 0;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// get random color
int randColor = Color.rgb(random.nextInt(COLOR_MAX),
random.nextInt(COLOR_MAX), random.nextInt(COLOR_MAX));
// OR
pixels[index] |= randColor;
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, source.getConfig());
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
public Bitmap applyBlackFilter(Bitmap source){
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
// random object
Random random = new Random();
int R, G, B, index = 0, thresHold = 0;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// get color
R = Color.red(pixels[index]);
G = Color.green(pixels[index]);
B = Color.blue(pixels[index]);
// generate threshold
thresHold = random.nextInt(COLOR_MAX);
if (R < thresHold && G < thresHold && B < thresHold) {
pixels[index] = Color.rgb(COLOR_MIN, COLOR_MIN, COLOR_MIN);
}
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
public Bitmap applySnowEffect(Bitmap source){
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
// random object
Random random = new Random();
int R, G, B, index = 0, thresHold = 50;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// get color
R = Color.red(pixels[index]);
G = Color.green(pixels[index]);
B = Color.blue(pixels[index]);
// generate threshold
thresHold = random.nextInt(COLOR_MAX);
if (R > thresHold && G > thresHold && B > thresHold) {
pixels[index] = Color.rgb(COLOR_MAX, COLOR_MAX, COLOR_MAX);
}
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
public Bitmap applyShadingFilter(Bitmap source, int shadingColor){
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
int index = 0;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// AND
pixels[index] &= shadingColor;
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
public Bitmap applySaturationFilter(Bitmap source, int level){
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
float[] HSV = new float[3];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
int index = 0;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// convert to HSV
Color.colorToHSV(pixels[index], HSV);
// increase Saturation level
HSV[1] *= level;
HSV[1] = (float) Math.max(0.0, Math.min(HSV[1], 1.0));
// take color back
pixels[index] |= Color.HSVToColor(HSV);
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
public Bitmap applyHueFilter(Bitmap source, int level){
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
float[] HSV = new float[3];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
int index = 0;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// convert to HSV
Color.colorToHSV(pixels[index], HSV);
// increase Saturation level
HSV[0] *= level;
HSV[0] = (float) Math.max(0.0, Math.min(HSV[0], 360.0));
// take color back
pixels[index] |= Color.HSVToColor(HSV);
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
public Bitmap applyReflection(Bitmap originalImage){
// gap space between original and reflected
final int reflectionGap = 4;
// get image size
int width = originalImage.getWidth();
int height = originalImage.getHeight();
// this will not scale but will flip on the Y axis
Matrix matrix = new Matrix();
matrix.preScale(1, -1);
// create a Bitmap with the flip matrix applied to it.
// we only want the bottom half of the image
Bitmap reflectionImage = Bitmap.createBitmap(originalImage, 0, height / 2, width, height / 2, matrix, false);
// create a new bitmap with same width but taller to fit reflection
Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 2), Bitmap.Config.ARGB_8888);
// create a new Canvas with the bitmap that's big enough for
// the image plus gap plus reflection
Canvas canvas = new Canvas(bitmapWithReflection);
// draw in the original image
canvas.drawBitmap(originalImage, 0, 0, null);
// draw in the gap
Paint defaultPaint = new Paint();
canvas.drawRect(0, height, width, height + reflectionGap, defaultPaint);
// draw in the reflection
canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);
// create a shader that is a linear gradient that covers the reflection
Paint paint = new Paint();
LinearGradient shader = new LinearGradient(0, originalImage.getHeight(), 0,
bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff,
Shader.TileMode.CLAMP);
// set the paint to use this shader (linear gradient)
paint.setShader(shader);
// set the Transfer mode to be porter duff and destination in
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
// draw a rectangle using the paint with our linear gradient
canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);
return bitmapWithReflection;
}
}
@@ -8,8 +8,6 @@ import static ru.vtosters.lite.ui.wallpapers.WallpapersHooks.requestUpdateWallpa
import static ru.vtosters.lite.utils.CacheUtils.deleteCache;
import static ru.vtosters.lite.utils.Globals.edit;
import static ru.vtosters.lite.utils.Globals.getIdentifier;
import static ru.vtosters.lite.utils.Globals.getPreferences;
import static ru.vtosters.lite.utils.Preferences.DoNotUseOldIcons;
import android.content.Context;
import android.content.Intent;
@@ -29,7 +27,6 @@ import java.io.InputStream;
import java.io.OutputStream;
import ru.vtosters.lite.ui.PreferencesUtil;
import ru.vtosters.lite.utils.Globals;
public class WallpaperMenuFragment extends MaterialPreferenceToolbarFragment{
@@ -1,23 +1,16 @@
package ru.vtosters.lite.ui.wallpapers;
import static com.vk.im.engine.h.im_bg_chat;
import static ru.vtosters.lite.ui.wallpapers.ImageFilters.getBlurredWallpaper;
import static ru.vtosters.lite.ui.wallpapers.ImageFilters.getDimmed;
import static ru.vtosters.lite.ui.wallpapers.ImageFilters.getMonochrome;
import static ru.vtosters.lite.ui.wallpapers.ImageFilters.getMosaic;
import static ru.vtosters.lite.utils.Globals.getContext;
import static ru.vtosters.lite.utils.Globals.getPreferences;
import static ru.vtosters.lite.utils.Globals.getResources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.widget.ImageView;
import com.vk.medianative.MediaNative;
import java.io.File;
public class WallpapersHooks{
@@ -127,96 +120,6 @@ public class WallpapersHooks{
}
}
public static Drawable getBlurredWallpaper(Drawable orig, int radius){
try {
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig; // we need only BitmapDrawable
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
MediaNative.blurBitmap(instance, radius);
return new BitmapDrawable(getResources(), instance);
} catch (Exception e) {
e.printStackTrace();
return orig;
}
}
public static Drawable getMosaic(Drawable orig){
int scale = 100;
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig;
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
String radius = getPreferences().getString("msg_mosaic", "disabled");
switch(radius) {
case "high":
scale = 25;
break;
case "med":
scale = 50;
break;
case "low":
scale = 75;
}
Bitmap temp = Bitmap.createScaledBitmap(instance, scale, scale, false);
Bitmap mosaicBitmap = Bitmap.createScaledBitmap(temp, instance.getWidth(), instance.getHeight(), false);
return new BitmapDrawable(getResources(), mosaicBitmap);
}
public static Drawable getDimmed(Drawable orig){
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig;
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
String radius = getPreferences().getString("msg_dim", "disabled");
switch(radius) {
case "dim_black":
instance = darken(instance);
case "dim_white":
instance = lighten(instance);
}
return new BitmapDrawable(getResources(), instance);
}
public static Drawable getMonochrome(Drawable orig){
if (orig == null) return null;
if (!(orig instanceof BitmapDrawable)) return orig;
Bitmap instance = ((BitmapDrawable) orig).getBitmap().copy(Bitmap.Config.ARGB_8888, true);
Bitmap bwBitmap = Bitmap.createBitmap( instance.getWidth(), instance.getHeight(), Bitmap.Config.RGB_565 );
float[] hsv = new float[ 3 ];
for( int col = 0; col < instance.getWidth(); col++ ) {
for( int row = 0; row < instance.getHeight(); row++ ) {
Color.colorToHSV( instance.getPixel( col, row ), hsv );
if( hsv[ 2 ] > 0.5f ) {
bwBitmap.setPixel( col, row, 0xffffffff );
} else {
bwBitmap.setPixel( col, row, 0xff000000 );
}
}
}
return new BitmapDrawable(getResources(), bwBitmap);
}
private static Bitmap darken(Bitmap bm){
Canvas canvas = new Canvas(bm);
Paint p = new Paint(Color.RED);
ColorFilter filter = new LightingColorFilter(0xFF7F7F7F, 0x00000000); // darken
p.setColorFilter(filter);
canvas.drawBitmap(bm, new Matrix(), p);
return bm;
}
private static Bitmap lighten(Bitmap bm){
Canvas canvas = new Canvas(bm);
Paint p = new Paint(Color.RED);
ColorFilter filter = new LightingColorFilter(0xFFFFFFFF, 0x00222222); // lighten
p.setColorFilter(filter);
canvas.drawBitmap(bm, new Matrix(), p);
return bm;
}
public static void removeWallpaper(){
getWallpaperFile().delete();