void setWithType(int type, int sx, int sy, int c, float p) {
  switch (type) {
    case 0: setNorm(sx,sy,c,p); break;
    case 1: setAdd(sx,sy,c,p); break;
    case 2: setBruise(sx,sy,c,p); break;
    default: break;
  }
}


void setWithType(int type, float x, float y, int c, float p) {
  switch (type) {
    case 0: setNorm(x,y,c,p); break;
    case 1: setAdd(x,y,c,p); break;
    case 2: setBruise(x,y,c,p); break;
    default: break;
  }
}


void setNorm(int sx, int sy, int c, float p) {
  set(sx,sy,colorMixNorm(c,get(sx,sy),p));
}

void setNorm(float x, float y, int c, float p) {
  int x0 = int(floor(x)), x1 = x0+1;
  int y0 = int(floor(y)), y1 = y0+1;
  float px1 = x-x0, px0 = 1.0-px1;
  float py1 = y-y0, py0 = 1.0-py1;
  float p00 = p*px0*py0;
  float p10 = p*px1*py0;
  float p01 = p*px0*py1;
  float p11 = p*px1*py1;
  set(x0,y0,colorMixNorm(c,get(x0,y0),p00));
  set(x1,y0,colorMixNorm(c,get(x0,y0),p10));
  set(x0,y1,colorMixNorm(c,get(x0,y0),p01));
  set(x1,y1,colorMixNorm(c,get(x0,y0),p11));
}

void setNorm(PImage img, int sx, int sy, int c, float p) {
  img.set(sx,sy,colorMixNorm(c,img.get(sx,sy),p));
}

void setNorm(PImage img, float x, float y, int c, float p) {
  int x0 = int(floor(x)), x1 = x0+1;
  int y0 = int(floor(y)), y1 = y0+1;
  float px1 = x-x0, px0 = 1.0-px1;
  float py1 = y-y0, py0 = 1.0-py1;
  float p00 = p*px0*py0;
  float p10 = p*px1*py0;
  float p01 = p*px0*py1;
  float p11 = p*px1*py1;
  img.set(x0,y0,colorMixNorm(c,img.get(x0,y0),p00));
  img.set(x1,y0,colorMixNorm(c,img.get(x0,y0),p10));
  img.set(x0,y1,colorMixNorm(c,img.get(x0,y0),p01));
  img.set(x1,y1,colorMixNorm(c,img.get(x0,y0),p11));
}





void setAdd(int sx, int sy, int c, float p) {
  set(sx,sy,colorMixAdd(c,get(sx,sy),p));
}

void setAdd(float x, float y, int c, float p) {
  int x0 = int(floor(x)), x1 = x0+1;
  int y0 = int(floor(y)), y1 = y0+1;
  float px1 = x-x0, px0 = 1.0-px1;
  float py1 = y-y0, py0 = 1.0-py1;
  float p00 = p*px0*py0;
  float p10 = p*px1*py0;
  float p01 = p*px0*py1;
  float p11 = p*px1*py1;
  set(x0,y0,colorMixAdd(c,get(x0,y0),p00));
  set(x1,y0,colorMixAdd(c,get(x0,y0),p10));
  set(x0,y1,colorMixAdd(c,get(x0,y0),p01));
  set(x1,y1,colorMixAdd(c,get(x0,y0),p11));
}

void setAdd(PImage img, int sx, int sy, int c, float p) {
  img.set(sx,sy,colorMixAdd(c,img.get(sx,sy),p));
}

void setAdd(PImage img, float x, float y, int c, float p) {
  int x0 = int(floor(x)), x1 = x0+1;
  int y0 = int(floor(y)), y1 = y0+1;
  float px1 = x-x0, px0 = 1.0-px1;
  float py1 = y-y0, py0 = 1.0-py1;
  float p00 = p*px0*py0;
  float p10 = p*px1*py0;
  float p01 = p*px0*py1;
  float p11 = p*px1*py1;
  img.set(x0,y0,colorMixAdd(c,img.get(x0,y0),p00));
  img.set(x1,y0,colorMixAdd(c,img.get(x0,y0),p10));
  img.set(x0,y1,colorMixAdd(c,img.get(x0,y0),p01));
  img.set(x1,y1,colorMixAdd(c,img.get(x0,y0),p11));
}





void setBruise(int sx, int sy, int c, float p) {
  set(sx,sy,colorMixBruise(c,get(sx,sy),p));
}

void setBruise(float x, float y, int c, float p) {
  int x0 = int(floor(x)), x1 = x0+1;
  int y0 = int(floor(y)), y1 = y0+1;
  float px1 = x-x0, px0 = 1.0-px1;
  float py1 = y-y0, py0 = 1.0-py1;
  float p00 = p*px0*py0;
  float p10 = p*px1*py0;
  float p01 = p*px0*py1;
  float p11 = p*px1*py1;
  set(x0,y0,colorMixBruise(c,get(x0,y0),p00));
  set(x1,y0,colorMixBruise(c,get(x0,y0),p10));
  set(x0,y1,colorMixBruise(c,get(x0,y0),p01));
  set(x1,y1,colorMixBruise(c,get(x0,y0),p11));
}

void setBruise(PImage img, int sx, int sy, int c, float p) {
  img.set(sx,sy,colorMixBruise(c,img.get(sx,sy),p));
}

void setBruise(PImage img, float x, float y, int c, float p) {
  int x0 = int(floor(x)), x1 = x0+1;
  int y0 = int(floor(y)), y1 = y0+1;
  float px1 = x-x0, px0 = 1.0-px1;
  float py1 = y-y0, py0 = 1.0-py1;
  float p00 = p*px0*py0;
  float p10 = p*px1*py0;
  float p01 = p*px0*py1;
  float p11 = p*px1*py1;
  img.set(x0,y0,colorMixBruise(c,img.get(x0,y0),p00));
  img.set(x1,y0,colorMixBruise(c,img.get(x0,y0),p10));
  img.set(x0,y1,colorMixBruise(c,img.get(x0,y0),p01));
  img.set(x1,y1,colorMixBruise(c,img.get(x0,y0),p11));
}





int colorMixNorm(int c1, int c2, float p1) {
  int r1 = c1>>16&0xFF;
  int g1 = c1>>8&0xFF;
  int b1 = c1&0xFF;
  int r2 = c2>>16&0xFF;
  int g2 = c2>>8&0xFF;
  int b2 = c2&0xFF;
  float p2 = 1.0-p1;
  
  int rr = int(r1*p1+r2*p2);
  int gg = int(g1*p1+g2*p2);
  int bb = int(b1*p1+b2*p2);
  
  return (rr<<16|gg<<8|bb);
}

int colorMixAdd(int c1, int c2, float p1) {
  int r1 = c1>>16&0xFF;
  int g1 = c1>>8&0xFF;
  int b1 = c1&0xFF;
  int r2 = c2>>16&0xFF;
  int g2 = c2>>8&0xFF;
  int b2 = c2&0xFF;
  float p2 = 1.0-p1;
  
  int rr = r2 + int(r1*p1);
  int gg = g2 + int(g1*p1);
  int bb = b2 + int(b1*p1);
  
  return (rr<<16|gg<<8|bb);
}

int colorMixBruise(int c1, int c2, float p1) {
  int r1 = 255 - (c1>>16&0xFF);
  int g1 = 255 - (c1>>8&0xFF);
  int b1 = 255 - (c1&0xFF);
  int r2 = c2>>16&0xFF;
  int g2 = c2>>8&0xFF;
  int b2 = c2&0xFF;
  float p2 = 1.0-p1;
  
  int rr = int(r2-r1*p1);
  int gg = int(g2-g1*p1);
  int bb = int(b2-b1*p1);
  if (rr<0) rr=0;
  if (gg<0) gg=0;
  if (bb<0) bb=0;
  
  return (rr<<16|gg<<8|bb);
}