package com.example.Pvlearn.myapplication;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
public class MainActivity extends ActionBarActivity {
Button b1, b2, b3;
ImageView im;
private Bitmap bmp;
private Bitmap operation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b1 = (Button) findViewById(R.id.button);
b2 = (Button) findViewById(R.id.button2);
b3 = (Button) findViewById(R.id.button3);
im = (ImageView) findViewById(R.id.imageView);
BitmapDrawable abmp = (BitmapDrawable) im.getDrawable();
bmp = abmp.getBitmap();
}
public void gray(View view) {
operation = Bitmap.createBitmap(bmp.getWidth(),bmp.getHeight(), bmp.getConfig());
double red = 0.33;
double green = 0.59;
double blue = 0.11;
for (int i = 0; i < bmp.getWidth(); i++) {
for (int j = 0; j < bmp.getHeight(); j++) {
int p = bmp.getPixel(i, j);
int r = Color.red(p);
int g = Color.green(p);
int b = Color.blue(p);
r = (int) red * r;
g = (int) green * g;
b = (int) blue * b;
operation.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
}
}
im.setImageBitmap(operation);
}
public void bright(View view){
operation= Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(),bmp.getConfig());
for(int i=0; i<bmp.getWidth(); i++){
for(int j=0; j<bmp.getHeight(); j++){
int p = bmp.getPixel(i, j);
int r = Color.red(p);
int g = Color.green(p);
int b = Color.blue(p);
int alpha = Color.alpha(p);
r = 100 + r;
g = 100 + g;
b = 100 + b;
alpha = 100 + alpha;
operation.setPixel(i, j, Color.argb(alpha, r, g, b));
}
}
im.setImageBitmap(operation);
}
public void dark(View view){
operation= Bitmap.createBitmap(bmp.getWidth(),bmp.getHeight(),bmp.getConfig());
for(int i=0; i<bmp.getWidth(); i++){
for(int j=0; j<bmp.getHeight(); j++){
int p = bmp.getPixel(i, j);
int r = Color.red(p);
int g = Color.green(p);
int b = Color.blue(p);
int alpha = Color.alpha(p);
r = r - 50;
g = g - 50;
b = b - 50;
alpha = alpha -50;
operation.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
}
}
im.setImageBitmap(operation);
}
public void gama(View view) {
operation = Bitmap.createBitmap(bmp.getWidth(),bmp.getHeight(),bmp.getConfig());
for(int i=0; i<bmp.getWidth(); i++){
for(int j=0; j<bmp.getHeight(); j++){
int p = bmp.getPixel(i, j);
int r = Color.red(p);
int g = Color.green(p);
int b = Color.blue(p);
int alpha = Color.alpha(p);
r = r + 150;
g = 0;
b = 0;
alpha = 0;
operation.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
}
}
im.setImageBitmap(operation);
}
public void green(View view){
operation = Bitmap.createBitmap(bmp.getWidth(),bmp.getHeight(), bmp.getConfig());
for(int i=0; <bmp.getWidth(); i++){
for(int j=0; j<bmp.getHeight(); j++){
int p = bmp.getPixel(i, j);
int r = Color.red(p);
int g = Color.green(p);
int b = Color.blue(p);
int alpha = Color.alpha(p);
r = 0;
g = g+150;
b = 0;
alpha = 0;
operation.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
}
}
im.setImageBitmap(operation);
}
public void blue(View view){
operation = Bitmap.createBitmap(bmp.getWidth(),bmp.getHeight(), bmp.getConfig());
for(int i=0; i<bmp.getWidth(); i++){
for(int j=0; j<bmp.getHeight(); j++){
int p = bmp.getPixel(i, j);
int r = Color.red(p);
int g = Color.green(p);
int b = Color.blue(p);
int alpha = Color.alpha(p);
r = 0;
g = 0;
b = b+150;
alpha = 0;
operation.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
}
}
im.setImageBitmap(operation);
}
}
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