static void mk_new_int(JRB l, JRB r, JRB p, int il)
{
JRB newnode;
newnode = (JRB) calloc(1, sizeof(struct jrb_node));
setint(newnode);
setred(newnode);
setnormal(newnode);
newnode->flink = l;
newnode->blink = r;
newnode->parent = p;
setlext(newnode, l);
setrext(newnode, r);
l->parent = newnode;
r->parent = newnode;
setleft(l);
setright(r);
if (ishead(p)) {
p->parent = newnode;
setroot(newnode);
} else if (il) {
setleft(newnode);
p->flink = newnode;
} else {
setright(newnode);
p->blink = newnode;
}
recolor(newnode);
}
static void mk_new_int(Rb_node l, Rb_node r, Rb_node p, int il)
{
Rb_node newnode;
newnode = (Rb_node) malloc(sizeof(struct rb_node));
setint(newnode);
setred(newnode);
setnormal(newnode);
newnode->c.child.left = l;
newnode->c.child.right = r;
newnode->p.parent = p;
newnode->k.lext = l;
newnode->v.rext = r;
l->p.parent = newnode;
r->p.parent = newnode;
setleft(l);
setright(r);
if (ishead(p)) {
p->p.root = newnode;
setroot(newnode);
} else if (il) {
setleft(newnode);
p->c.child.left = newnode;
} else {
setright(newnode);
p->c.child.right = newnode;
}
recolor(newnode);
}
//sux
void
invert_brightness (iImage * source)
{
int i, j;
int r, g, b;
//float bright;
for (i = 0; i < source->GetWidth (); i++)
for (j = 0; j < source->GetHeight (); j++)
{
r = getred (source, i, j);
g = getgreen (source, i, j);
b = getblue (source, i, j);
r = 255 - r;
g = 255 - g;
b = 255 - b;
setred (source, i, j, r);
setgreen (source, i, j, g);
setblue (source, i, j, b);
}
}
void
alter_colors (iImage * source, int o_r, int o_g, int o_b, int r2, int g2,
int b2)
{
int i, j;
int r, g, b;
//float bright;
//int red_ratio;
//int green_ratio;
//int blue_ratio;
for (i = 0; i < source->GetWidth (); i++)
for (j = 0; j < source->GetHeight (); j++)
{
r = getred (source, i, j);
g = getgreen (source, i, j);
b = getblue (source, i, j);
//bright=sqrt(r*r+g*g+b*b);
setred (source, i, j, (int)(r2 * sqrt (o_r * r + o_g * g + o_b * b) / 255) );
setgreen (source, i, j,(int)(
g2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
setblue (source, i, j,(int)(b2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
}
}
static void recolor(JRB n)
{
JRB p, gp, s;
int done = 0;
while (!done) {
if (isroot(n)) {
setblack(n);
return;
}
p = n->parent;
if (isblack(p))
return;
if (isroot(p)) {
setblack(p);
return;
}
gp = p->parent;
s = sibling(p);
if (isred(s)) {
setblack(p);
setred(gp);
setblack(s);
n = gp;
}
else {
done = 1;
}
}
/* p's sibling is black, p is red, gp is black */
if ((isleft(n) == 0) == (isleft(p) == 0)) {
single_rotate(gp, isleft(n));
setblack(p);
setred(gp);
}
else {
single_rotate(p, isleft(n));
single_rotate(gp, isleft(n));
setblack(n);
setred(gp);
}
}
//0,200,200 is nice cyan
//draws an open rectangle
void
rect_open (iImage * dest, int x, int y, int end_x, int end_y, int r, int g,
int b)
{
int i, j;
//top bar
j = y;
for (i = x; i < end_x + 1; i++)
{
setred (dest, i, j, r);
setgreen (dest, i, j, g);
setblue (dest, i, j, b);
setalpha (dest, i, j, 255);
}
//bottom bar
j = end_y;
for (i = x; i < end_x + 1; i++)
{
setred (dest, i, j, r);
setgreen (dest, i, j, g);
setblue (dest, i, j, b);
setalpha (dest, i, j, 255);
}
i = x;
for (j = y; j < end_y + 1; j++)
{
setred (dest, i, j, r);
setgreen (dest, i, j, g);
setblue (dest, i, j, b);
setalpha (dest, i, j, 255);
}
i = end_x;
for (j = y; j < end_y + 1; j++)
{
setred (dest, i, j, r);
setgreen (dest, i, j, g);
setblue (dest, i, j, b);
setalpha (dest, i, j, 255);
}
}
void
blit_alpha (iImage * source, iImage * dest, int source_startx,
int source_starty, int destx, int desty, int source_endx,
int source_endy, int range)
{
int x;
int y;
//check if its out of range yourself :P
int r, g, b, a;
int i, j;
//int r2,g2,b2;
x = dest->GetWidth ();
y = dest->GetHeight ();
if (source_endx + destx - source_startx >= x)
source_endx = x - destx + source_startx;
if (source_endy + desty - source_starty >= y)
source_endy = y - desty + source_starty;
i = 0;
j = 0;
for (x = source_startx; x < source_endx; x++)
{
for (y = source_starty; y < source_endy; y++)
{
r = getred (source, x, y);
g = getgreen (source, x, y);
b = getblue (source, x, y);
a = getalpha (source, x, y);
if (a - range < 1)
{
}
else
{
setred (dest, i + destx, j + desty, r);
setgreen (dest, i + destx, j + desty, g);
setblue (dest, i + destx, j + desty, b);
}
j++;
}
j = 0;
i++;
}
}
void
remove_red (iImage * source)
{
int x;
int y;
int i, j;
x = source->GetWidth ();
y = source->GetHeight ();
for (i = 0; i < x; i++)
for (j = 0; j < y; j++)
setred (source, i, j, 0);
}
//the except is where you have a 0...
//if o_r ==0 and o_g>0 and o_b>0 rng=10 no colors with red greater than 10 will be replaced
void
alter_colors_except (iImage * source, int o_r, int o_g, int o_b, int r2,
int g2, int b2, int rng)
{
int i, j;
int r, g, b;
int ok;
for (i = 0; i < source->GetWidth (); i++)
for (j = 0; j < source->GetHeight (); j++)
{
ok = 1;
r = getred (source, i, j);
g = getgreen (source, i, j);
b = getblue (source, i, j);
if (o_r == 0)
if (r > rng)
ok = 0;
if (o_g == 0)
if (g > rng)
ok = 0;
if (o_b == 0)
if (b > rng)
ok = 0;
if (ok == 1)
{
setred (source, i, j,(int)(
r2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
setgreen (source, i, j,(int)(
g2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
setblue (source, i, j,(int)(
b2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
}
}
}
//This Blit conserves the alpha, Blit_merge blends the alphaed color in with background.
void
blit (iImage * source, iImage * dest, int source_startx, int source_starty,
int destx, int desty, int source_endx, int source_endy)
{
int x;
int y;
int r, g, b;
int i, j;
int a;
x = dest->GetWidth ();
y = dest->GetHeight ();
if (source_endx + destx - source_startx >= x)
source_endx = x - destx + source_startx;
if (source_endy + desty - source_starty >= y)
source_endy = y - desty + source_starty;
i = 0;
j = 0;
for (x = source_startx; x < source_endx; x++)
{
for (y = source_starty; y < source_endy; y++)
{
r = getred (source, x, y);
g = getgreen (source, x, y);
b = getblue (source, x, y);
a = getalpha (source, x, y);
setred (dest, i + destx, j + desty, r);
setgreen (dest, i + destx, j + desty, g);
setblue (dest, i + destx, j + desty, b);
setalpha (dest, i + destx, j + desty, a);
j++;
}
j = 0;
i++;
}
}
void
clear_image (iImage * dest)
{
int i, j;
for (i = 0; i < dest->GetWidth (); i++)
for (j = 0; j < dest->GetHeight (); j++)
{
setred (dest, i, j, 0);
setgreen (dest, i, j, 0);
setblue (dest, i, j, 0);
setalpha (dest, i, j, 0);
}
}
//draws a rectangle_filled with colors r,g,b
void
rect (iImage * dest, int x, int y, int end_x, int end_y, int r, int g, int b)
{
int i, j;
//float bright;
//int r3,g3,b3;
for (i = x; i < end_x + 1; i++)
for (j = y; j < end_y + 1; j++)
{
setred (dest, i, j, r);
setgreen (dest, i, j, g);
setblue (dest, i, j, b);
setalpha (dest, i, j, 255);
}
}
void
swap_blue_to_red (iImage * source)
{
int i, j;
int r, g, b;
//float bright;
for (i = 0; i < source->GetWidth (); i++)
for (j = 0; j < source->GetHeight (); j++)
{
r = getred (source, i, j);
g = getgreen (source, i, j);
b = getblue (source, i, j);
setred (source, i, j, b);
setgreen (source, i, j, g);
setblue (source, i, j, r);
}
}
void jrb_delete_node(JRB n)
{
JRB s, p, gp;
char ir;
if (isint(n)) {
fprintf(stderr, "Cannot delete an internal node: 0x%p\n", (void *)n);
exit(1);
}
if (ishead(n)) {
fprintf(stderr, "Cannot delete the head of an jrb_tree: 0x%p\n", (void *)n);
exit(1);
}
delete_item(n); /* Delete it from the list */
p = n->parent; /* The only node */
if (isroot(n)) {
p->parent = p;
free(n);
return;
}
s = sibling(n); /* The only node after deletion */
if (isroot(p)) {
s->parent = p->parent;
s->parent->parent = s;
setroot(s);
free(p);
free(n);
return;
}
gp = p->parent; /* Set parent to sibling */
s->parent = gp;
if (isleft(p)) {
gp->flink = s;
setleft(s);
} else {
gp->blink = s;
setright(s);
}
ir = isred(p);
free(p);
free(n);
if (isext(s)) { /* Update proper rext and lext values */
p = lprev(s);
if (!ishead(p)) setrext(p, s);
p = rprev(s);
if (!ishead(p)) setlext(p, s);
} else if (isblack(s)) {
fprintf(stderr, "DELETION PROB -- sib is black, internal\n");
exit(1);
} else {
p = lprev(s);
if (!ishead(p)) setrext(p, s->flink);
p = rprev(s);
if (!ishead(p)) setlext(p, s->blink);
setblack(s);
return;
}
if (ir) return;
/* Recolor */
n = s;
p = n->parent;
s = sibling(n);
while(isblack(p) && isblack(s) && isint(s) &&
isblack(s->flink) && isblack(s->blink)) {
setred(s);
n = p;
if (isroot(n)) return;
p = n->parent;
s = sibling(n);
}
if (isblack(p) && isred(s)) { /* Rotation 2.3b */
single_rotate(p, isright(n));
setred(p);
setblack(s);
s = sibling(n);
}
{ JRB x, z; char il;
if (isext(s)) {
fprintf(stderr, "DELETION ERROR: sibling not internal\n");
exit(1);
}
il = isleft(n);
x = il ? s->flink : s->blink ;
z = sibling(x);
if (isred(z)) { /* Rotation 2.3f */
single_rotate(p, !il);
setblack(z);
if (isred(p)) setred(s); else setblack(s);
setblack(p);
} else if (isblack(x)) { /* Recoloring only (2.3c) */
if (isred(s) || isblack(p)) {
fprintf(stderr, "DELETION ERROR: 2.3c not quite right\n");
exit(1);
}
setblack(p);
setred(s);
return;
} else if (isred(p)) { /* 2.3d */
single_rotate(s, il);
single_rotate(p, !il);
setblack(x);
setred(s);
return;
} else { /* 2.3e */
single_rotate(s, il);
single_rotate(p, !il);
setblack(x);
return;
}
}
}
//RNG is the times difference
void
alter_colors_ratio (iImage * source, int o_r, int o_g, int o_b, int r2,
int g2, int b2, int rng)
{
int i, j;
int r, g, b;
//int a1;
//float bright;
//int r3,g3,b3;
float rg_rat, gb_rat, br_rat;
//Which way do the ratio's face:
int rg_way = -1, gb_way = -1, br_way = -1;
float rg_fly=0;
float gb_fly, br_fly;
int ok;
//Rat values: 0 - none of one element
// greater than 0: green is greater than red
// less than 0: red is less than green -inverse 1/ number- greater than...
// greater than 0: How many times difference
//compare: times difference, against current times difference, and see if within range
if (o_r == 0)
rg_rat = 0;
else
{
rg_rat = o_g / o_r;
if (rg_rat < 0)
{
rg_rat = 1 / rg_rat;
rg_way = 1;
}
}
if (o_g == 0)
gb_rat = 0;
else
{
gb_rat = o_b / o_g;
if (gb_rat < 0)
{
gb_rat = 1 / gb_rat;
gb_way = 1;
}
}
if (o_b == 0)
br_rat = 0;
else
{
br_rat = o_r / o_b;
if (br_rat < 0)
{
br_rat = 1 / br_rat;
br_way = 1;
}
}
for (i = 0; i < source->GetWidth (); i++)
for (j = 0; j < source->GetHeight (); j++)
{
ok = 1;
r = getred (source, i, j);
g = getgreen (source, i, j);
b = getblue (source, i, j);
//Check which way rg goes
if (rg_way == -1)
{
//everything is cool if 0's.0 stops division by 0
if (r == 0)
{
if (o_r > 0)
ok = 0;
}
else
{
rg_fly = g / r;
//make sure we got green to red, and not red to green(insta failure for now)
//invert and negatize it, so its on a scale goin the other direction
if (rg_fly < 0)
rg_fly = -(1 / rg_fly);
rg_fly = abs ((int)(rg_fly - rg_rat));
if (rg_fly > rng)
ok = 0;
}
}
if (rg_way == 1)
{
rg_fly = r / g;
if (rg_fly < 0)
rg_fly = -(1 / rg_fly);
rg_fly = abs ((int)(rg_fly - rg_rat));
if (rg_fly > rng)
ok = 0;
}
if (gb_way == -1)
{
//everything is cool if 0's.0 stops division by 0
if (g == 0)
{
if (o_g > 0)
ok = 0;
}
else
{
gb_fly = b / g;
//make sure we got green to red, and not red to green(insta failure for now)
//invert and negatize it, so its on a scale goin the other direction
if (gb_fly < 0)
gb_fly = -(1 / gb_fly);
gb_fly = abs ((int)(gb_fly - gb_rat));
if (gb_fly > rng)
ok = 0;
}
}
if (gb_way == 1)
{
gb_fly = g / b;
if (rg_fly < 0)
gb_fly = -(1 / gb_fly);
gb_fly = abs ((int)(gb_fly - gb_rat));
if (gb_fly > rng)
ok = 0;
}
if (br_way == -1)
{
//everything is cool if 0's.0 stops division by 0
if (b == 0)
{
if (o_b > 0)
ok = 0;
}
else
{
br_fly = r / b;
//make sure we got green to red, and not red to green(insta failure for now)
//invert and negatize it, so its on a scale goin the other direction
if (br_fly < 0)
br_fly = -(1 / br_fly);
br_fly = abs ((int)(br_fly - br_rat));
if (br_fly > rng)
ok = 0;
}
}
if (br_way == 1)
{
br_fly = b / r;
if (rg_fly < 0)
br_fly = -(1 / br_fly);
br_fly = abs ((int)(br_fly - br_rat));
if (br_fly > rng)
ok = 0;
}
if (ok == 1)
{
setred (source, i, j,(int)(
r2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
setgreen (source, i, j,(int)(
g2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
setblue (source, i, j,(int)(
b2 * sqrt (o_r * r + o_g * g + o_b * b) / 255));
}
}
}
void
blit_transparent (iImage * source, iImage * dest, int source_startx,
int source_starty, int destx, int desty, int source_endx,
int source_endy, int r0, int g0, int b0, int range)
{
int x;
int y;
int r, g, b;
int i, j;
int r2, g2, b2;
x = dest->GetWidth ();
y = dest->GetHeight ();
if (source_endx + destx - source_startx >= x)
source_endx = x - destx + source_startx;
if (source_endy + desty - source_starty >= y)
source_endy = y - desty + source_starty;
i = 0;
j = 0;
for (x = source_startx; x < source_endx; x++)
{
for (y = source_starty; y < source_endy; y++)
{
r = getred (source, x, y);
g = getgreen (source, x, y);
b = getblue (source, x, y);
r2 = abs (r0 - r);
g2 = abs (g0 - g);
b2 = abs (b0 - b);
if (r2 < range && g2 < range && b2 < range)
{
r = r0;
setalpha (dest, i + destx, j + desty, 0);
}
else
{
setred (dest, i + destx, j + desty, r);
setgreen (dest, i + destx, j + desty, g);
setblue (dest, i + destx, j + desty, b);
setalpha (dest, i + destx, j + desty, 255);
}
j++;
}
j = 0;
i++;
}
}