void setup()
{
size(1000,900);  
}

void draw()
{
 
}

void mouseClicked()
{

int coff = 2;

PImage b;
b = loadImage("newimage.jpg");

for (int i = 0; i < b.width;i++)
{
for (int k = 0; k < b.height;k++)
{
color c = b.get(i*coff,k*coff); 
set (i,k,c);
}
 
}

}