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flam3-genome.c
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/*
FLAM3 - cosmic recursive fractal flames
Copyright (C) 1992-2009 Spotworks LLC
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "private.h"
#include "isaacs.h"
#include "config.h"
int verbose;
char *get_extras() {
char *e = getenv("extras");
return e;
}
void gprint(flam3_genome *cp, int extras) {
if (getenv("noedits"))
flam3_print(stdout, cp, extras ? get_extras() : NULL, flam3_dont_print_edits);
else
flam3_print(stdout, cp, extras ? get_extras() : NULL, flam3_print_edits);
}
void test_cp(flam3_genome *cp) {
cp->time = 0.0;
cp->interpolation = flam3_interpolation_linear;
cp->palette_interpolation = flam3_palette_interpolation_hsv;
cp->background[0] = 0.0;
cp->background[1] = 0.0;
cp->background[2] = 0.0;
cp->center[0] = 0.0;
cp->center[1] = 0.0;
cp->rotate = 0.0;
cp->pixels_per_unit = 64;
cp->width = 128;
cp->height = 128;
cp->spatial_oversample = 1;
cp->spatial_filter_radius = 0.5;
cp->spatial_filter_select = 0;
cp->highlight_power= 1.0;
cp->zoom = 0.0;
cp->sample_density = 1;
cp->nbatches = 1;
cp->ntemporal_samples = 1;
cp->estimator = 0.0;
cp->estimator_minimum = 0.0;
cp->estimator_curve = 0.6;
}
flam3_genome *string_to_cp(char *s, int *n, int defaults) {
flam3_genome *cp;
FILE *fp;
fp = fopen(s, "rb");
if (NULL == fp) {
perror(s);
exit(1);
}
cp = flam3_parse_from_file(fp, s, defaults, n);
if (NULL == cp) {
fprintf(stderr, "could not read genome from %s.\n", s);
exit(1);
}
return cp;
}
xmlDocPtr create_new_editdoc(char *action, flam3_genome *parent0, flam3_genome *parent1) {
xmlDocPtr doc = NULL, comment_doc = NULL;
xmlNodePtr root_node = NULL, node = NULL, nodecopy = NULL;
xmlNodePtr root_comment = NULL;
struct tm *localt;
time_t mytime;
char *ai;
char timestring[100];
char *nick = getenv("nick");
char *url = getenv("url");
char *id = getenv("id");
char *gen = getenv("gen");
char *comment = getenv("comment");
int sheep_gen = argi("sheep_gen",-1);
int sheep_id = argi("sheep_id",-1);
char buffer[100];
char comment_string[100];
doc = xmlNewDoc( (const xmlChar *)"1.0");
/* Create the root node, called "edit" */
root_node = xmlNewNode(NULL, (const xmlChar *)"edit");
xmlDocSetRootElement(doc,root_node);
/* Add the edit attributes */
/* date */
mytime = time(NULL);
localt = localtime(&mytime);
/* XXX use standard time format including timezone */
strftime(timestring, 100, "%a %b %e %H:%M:%S %z %Y", localt);
xmlNewProp(root_node, (const xmlChar *)"date", (const xmlChar *)timestring);
/* nick */
if (nick) {
xmlNewProp(root_node, (const xmlChar *)"nick", (const xmlChar *)nick);
}
/* url */
if (url) {
xmlNewProp(root_node, (const xmlChar *)"url", (const xmlChar *)url);
}
if (id) {
xmlNewProp(root_node, (const xmlChar *)"id", (const xmlChar *)id);
}
if (gen) {
xmlNewProp(root_node, (const xmlChar *)"gen", (const xmlChar *)gen);
}
/* action */
xmlNewProp(root_node, (const xmlChar *)"action", (const xmlChar *)action);
/* sheep info */
if (sheep_gen > 0 && sheep_id > 0) {
/* Create a child node of the root node called sheep */
node = xmlNewChild(root_node, NULL, (const xmlChar *)"sheep", NULL);
/* Create the sheep attributes */
sprintf(buffer, "%d", sheep_gen);
xmlNewProp(node, (const xmlChar *)"generation", (const xmlChar *)buffer);
sprintf(buffer, "%d", sheep_id);
xmlNewProp(node, (const xmlChar *)"id", (const xmlChar *)buffer);
}
/* Check for the parents */
/* If Parent 0 not specified, this is a randomly generated genome. */
if (parent0) {
if (parent0->edits) {
/* Copy the node from the parent */
node = xmlDocGetRootElement(parent0->edits);
nodecopy = xmlCopyNode(node, 1);
xmlNewProp(nodecopy,(const xmlChar *)"filename", (const xmlChar *)parent0->parent_fname);
sprintf(buffer,"%d",parent0->genome_index);
xmlNewProp(nodecopy,(const xmlChar *)"index", (const xmlChar *)buffer);
xmlAddChild(root_node, nodecopy);
} else {
/* Insert a (parent has no edit) message */
nodecopy = xmlNewChild(root_node, NULL, (const xmlChar *)"edit",NULL);
xmlNewProp(nodecopy,(const xmlChar *)"filename", (const xmlChar *)parent0->parent_fname);
sprintf(buffer,"%d",parent0->genome_index);
xmlNewProp(nodecopy,(const xmlChar *)"index", (const xmlChar *)buffer);
}
}
if (parent1) {
if (parent1->edits) {
/* Copy the node from the parent */
node = xmlDocGetRootElement(parent1->edits);
nodecopy = xmlCopyNode(node, 1);
xmlNewProp(nodecopy,(const xmlChar *)"filename", (const xmlChar *)parent1->parent_fname);
sprintf(buffer,"%d",parent1->genome_index);
xmlNewProp(nodecopy,(const xmlChar *)"index", (const xmlChar *)buffer);
xmlAddChild(root_node, nodecopy);
} else {
/* Insert a (parent has no edit) message */
nodecopy = xmlNewChild(root_node, NULL, (const xmlChar *)"edit",NULL);
xmlNewProp(nodecopy,(const xmlChar *)"filename", (const xmlChar *)parent1->parent_fname);
sprintf(buffer,"%d",parent1->genome_index);
xmlNewProp(nodecopy,(const xmlChar *)"index", (const xmlChar *)buffer);
}
}
/* Comment string */
/* This one's hard, since we have to treat the comment string as */
/* a valid XML document. Create a new document using the comment */
/* string as the in-memory document, and then copy all children of */
/* the root node into the edit structure */
/* Parsing the comment string should be done once and then copied */
/* for each call to create_new_editdoc, but that's for later. */
if (comment) {
sprintf(comment_string,"<comm>%s</comm>",comment);
comment_doc = xmlReadMemory(comment_string, strlen(comment_string), "comment.env", NULL, XML_PARSE_NONET);
/* Check for errors */
if (comment_doc==NULL) {
fprintf(stderr, "Failed to parse comment into XML!\n");
exit(1);
}
/* Loop through the children of the new document and copy */
/* them into the root_node */
root_comment = xmlDocGetRootElement(comment_doc);
for (node=root_comment->children; node; node = node->next) {
nodecopy = xmlCopyNode(node,1);
xmlAddChild(root_node, nodecopy);
}
/* Free the created document */
xmlFreeDoc(comment_doc);
}
/* return the xml doc */
return(doc);
}
void offset(flam3_genome *g) {
char *os = getenv("offset");
double ox, oy;
if (NULL == os) return;
sscanf(os, "%lf:%lf", &ox, &oy);
g->center[0] += ox / (g->pixels_per_unit * g->spatial_oversample);
g->center[1] += oy / (g->pixels_per_unit * g->spatial_oversample);
}
void spin(int frame, double blend, flam3_genome *parent, flam3_genome *templ)
{
flam3_genome *result;
char action[50];
xmlDocPtr doc;
/* Spin the parent blend*360 degrees */
result = sheep_loop(parent,blend);
/* Apply the template if necessary */
if (templ)
flam3_apply_template(result, templ);
/* Set genome parameters accordingly */
result->time = (double)frame;
result->interpolation = flam3_interpolation_linear;
result->palette_interpolation = flam3_palette_interpolation_hsv;
/* Force linear interpolation - unsure if this is still necessary */
/* I believe we put this in so that older clients could render frames */
// result->interpolation_type = flam3_inttype_linear;
/* Create the edit doc xml */
sprintf(action,"rotate %g",blend*360.0);
doc = create_new_editdoc(action, parent, (flam3_genome *)NULL);
result->edits = doc;
/* Subpixel jitter */
offset(result);
/* Make the name of the flame the time */
sprintf(result->flame_name,"%f",result->time);
/* Print the resulting xml */
gprint(result, 1);
/* Clear out the xml doc */
xmlFreeDoc(result->edits);
/* Clear the result cp */
clear_cp(result,flam3_defaults_on);
/* Free the cp allocated in flam3_sheep_loop */
free(result);
}
void spin_inter(int frame, double blend, int seqflag, flam3_genome *parents, flam3_genome *templ) {
flam3_genome *result;
char action[50];
xmlDocPtr doc;
char *ai;
double stagger = argf("stagger", 0.0);
/* Interpolate between spun parents */
result = sheep_edge(parents, blend, seqflag, stagger);
/* Unsure why we check for random palettes on both ends... */
if ((parents[0].palette_index != flam3_palette_random) &&
(parents[1].palette_index != flam3_palette_random)) {
result->palette_index = flam3_palette_interpolated;
result->palette_index0 = parents[0].palette_index;
result->hue_rotation0 = parents[0].hue_rotation;
result->palette_index1 = parents[1].palette_index;
result->hue_rotation1 = parents[1].hue_rotation;
result->palette_blend = blend;
}
/* Apply template if necessary */
if (templ)
flam3_apply_template(result, templ);
/* Set genome attributes */
result->time = (double)frame;
// result->interpolation_type = flam3_inttype_linear;
/* Create the edit doc xml */
sprintf(action,"interpolate %g",blend*360.0);
doc = create_new_editdoc(action, &parents[0], &parents[1]);
result->edits = doc;
/* Subpixel jitter */
offset(result);
/* Make the name of the flame the time */
sprintf(result->flame_name,"%f",result->time);
/* Print the genome */
gprint(result, 1);
/* Clean up */
xmlFreeDoc(result->edits);
/* Free genome storage */
clear_cp(result,flam3_defaults_on);
free(result);
}
void truncate_variations(flam3_genome *g, int max_vars, char *action) {
int i, j, nvars, smallest;
double sv=0;
char trunc_note[30];
for (i = 0; i < g->num_xforms; i++) {
double d = g->xform[i].density;
/* if (0.0 < d && d < 0.001) */
if (d < 0.001 && (g->final_xform_index != i)) {
sprintf(trunc_note," trunc_density %d",i);
//strcat(action,trunc_note);
add_to_action(action,trunc_note);
flam3_delete_xform(g, i);
/* g->xform[i].density = 0.0;
} else if (d > 0.0) {
*/
} else {
do {
nvars = 0;
smallest = -1;
for (j = 0; j < flam3_nvariations; j++) {
double v = g->xform[i].var[j];
if (v != 0.0) {
nvars++;
if (-1 == smallest || fabs(v) < sv) {
smallest = j;
sv = fabs(v);
}
}
}
if (nvars > max_vars) {
sprintf(trunc_note," trunc %d %d",i,smallest);
//strcat(action,trunc_note);
add_to_action(action,trunc_note);
g->xform[i].var[smallest] = 0.0;
}
} while (nvars > max_vars);
}
}
}
static double golden_bit(randctx *rc) {
return flam3_random_isaac_bit(rc)?0.38196:0.61804;
}
static void print_find_parents(xmlNode *node, int last, int level) {
xmlAttrPtr att_ptr, cur_att;
xmlNodePtr chld_ptr=NULL, cur_chld=NULL;
xmlNode *this_node;
int next_last;
//for (i = 0; i < level; i++)
// fprintf(stdout, "+");
// fprintf(stdout, "pfp %d ", last);
for (this_node=node; this_node; this_node = this_node->next) {
if (this_node->type == XML_ELEMENT_NODE) {
// fprintf(stdout, "nname=%s ", this_node->name);
if (!xmlStrcmp(this_node->name, (const xmlChar *)"edit")) {
att_ptr = node->properties;
next_last = 0;
if (last) {
char *pgen = NULL, *pid = NULL;
for (cur_att = att_ptr; cur_att; cur_att = cur_att->next) {
if (!xmlStrcmp(cur_att->name, (const xmlChar *)"gen")) {
char *att_str = (char *) xmlGetProp(node,cur_att->name);
pgen = att_str;
}
if (!xmlStrcmp(cur_att->name, (const xmlChar *)"id")) {
char *att_str = (char *) xmlGetProp(node,cur_att->name);
pid = att_str;
}
}
if (pgen) printf("GEN=%s ", pgen);
if (pid) printf("ID=%s", pid);
if (pid || pgen)
printf("\n");
} else {
for (cur_att = att_ptr; cur_att; cur_att = cur_att->next) {
char *att_str = (char *) xmlGetProp(node,cur_att->name);
// fprintf(stdout, "name=%s val=%s ", cur_att->name, att_str);
if (!xmlStrcmp(cur_att->name, (const xmlChar *)"action")) {
if (!strncmp(att_str, "cross", 5) || !strncmp(att_str, "mutate", 6)) {
next_last = 1;
}
}
}
// fprintf(stdout, "\n");
chld_ptr = node->children;
for (cur_chld=chld_ptr; cur_chld; cur_chld = cur_chld->next)
print_find_parents(cur_chld, next_last, level + 1);
}
}
}
return;
}
}
int
main(argc, argv)
int argc;
char **argv;
{
int debug = 0;
int count;
char *ai;
unsigned char *image;
flam3_genome *templ = NULL;
flam3_genome cp_orig, cp_save;
int i, j;
double avg_pix, fraction_black, fraction_white;
double avg_thresh = argf("avg", 20.0);
double black_thresh = argf("black", 0.01);
double white_limit = argf("white", 0.05);
int nframes = argi("nframes", 100);
int sym = argi("symmetry", 0);
int enclosed = argi("enclosed", 1);
char *clone = getenv("clone");
char *clone_all = getenv("clone_all");
char *animate = getenv("animate");
char *mutate = getenv("mutate");
char *cross0 = getenv("cross0");
char *cross1 = getenv("cross1");
char *method = getenv("method");
char *inter = getenv("inter");
char *find_parents = getenv("find_parents");
char *rotate = getenv("rotate");
char *strip = getenv("strip");
char *sequence = getenv("sequence");
int loops = argi("loops", 1);
int frame = argi("frame", 0);
int rep, repeat = argi("repeat", 1);
double speed = argf("speed", 0.1);
int bits = argi("bits", 33);
int ntries = argi("tries", 10);
char *use_vars = getenv("use_vars");
char *dont_use_vars = getenv("dont_use_vars");
flam3_genome *parent0=NULL, *parent1=NULL;
flam3_genome selp0, selp1;
flam3_genome *aselp0, *aselp1;
int parent0_n, parent1_n;
int num_threads = 1;
flam3_genome *cp;
int ncp;
int ivars[max_specified_vars];
int novars[max_specified_vars];
int num_ivars = 0;
int num_novars = 0;
char *var_tok;
flam3_frame f;
char action[flam3_max_action_length];
stat_struct stats;
#ifdef WIN32
char *slashloc;
char exepath[256];
char palpath[256];
memset(exepath,0,256);
memset(palpath,0,256);
slashloc = strrchr(argv[0],'\\');
if (NULL==slashloc) {
sprintf(palpath,"flam3_palettes=flam3-palettes.xml");
} else {
strncpy(exepath,argv[0],slashloc-argv[0]+1);
sprintf(palpath,"flam3_palettes=%sflam3-palettes.xml",exepath);
}
putenv(palpath);
#endif
if (argc>1) {
if (strcmp("--version",argv[1])==0) {
printf("FLAM3-%s\n",flam3_version());
exit(0);
} else {
printf("unrecognized option %s, aborting.\n",argv[1]);
exit(-1);
}
}
verbose = argi("verbose", 0);
memset(&cp_orig, 0, sizeof(flam3_genome));
memset(&cp_save, 0, sizeof(flam3_genome));
memset(&selp0, 0, sizeof(flam3_genome));
memset(&selp1, 0, sizeof(flam3_genome));
if (1 != argc) {
docstring();
exit(0);
}
/* Init random number generators */
flam3_init_frame(&f);
flam3_srandom();
//f.temporal_filter_radius = 0.0;
f.bits = bits;
f.bytes_per_channel = 1;
f.earlyclip = 1;
f.verbose = 0;
f.genomes = &cp_orig;
f.ngenomes = 1;
f.pixel_aspect_ratio = 1.0;
f.progress = 0;
f.nthreads = num_threads;
f.sub_batch_size = 10000;
test_cp(&cp_orig); // just for the width & height
/* Are the variations to be used specified? */
if (use_vars && dont_use_vars) {
fprintf(stderr,"use_vars and dont_use_vars cannot both be specified. Terminating.\n");
exit(-1);
}
/* Specify reasonable defaults if nothing is specified */
if (!use_vars && !dont_use_vars) {
novars[num_novars++] = VAR_NOISE;
novars[num_novars++] = VAR_BLUR;
novars[num_novars++] = VAR_GAUSSIAN_BLUR;
novars[num_novars++] = VAR_RADIAL_BLUR;
novars[num_novars++] = VAR_NGON;
novars[num_novars++] = VAR_SQUARE;
novars[num_novars++] = VAR_RAYS;
novars[num_novars++] = VAR_CROSS;
novars[num_novars++] = VAR_PRE_BLUR;
novars[num_novars++] = VAR_SEPARATION;
novars[num_novars++] = VAR_SPLIT;
novars[num_novars++] = VAR_SPLITS;
/* Loop over the novars and set ivars to the complement */
for (i=0;i<flam3_nvariations;i++) {
for (j=0;j<num_novars;j++) {
if (novars[j] == i)
break;
}
if (j==num_novars)
ivars[num_ivars++] = i;
}
} else {
if (use_vars) {
/* Parse comma-separated list of variations to use */
var_tok = strtok(use_vars,",");
ivars[num_ivars++] = atoi(var_tok);
while(1) {
var_tok = strtok(NULL,",");
if (var_tok==NULL)
break;
ivars[num_ivars++] = atoi(var_tok);
if (num_ivars==max_specified_vars) {
fprintf(stderr,"Maximum number of user-specified variations exceeded. Truncating.\n");
break;
}
}
/* Error checking */
for (i=0;i<num_ivars;i++) {
if (ivars[i]<0 || ivars[i]>=flam3_nvariations) {
fprintf(stderr,"specified variation list includes bad value. (%d)\n",ivars[i]);
exit(1);
}
}
} else if (dont_use_vars) {
/* Parse comma-separated list of variations NOT to use */
var_tok = strtok(dont_use_vars,",");
novars[num_novars++] = atoi(var_tok);
while(1) {
var_tok = strtok(NULL,",");
if (var_tok==NULL)
break;
novars[num_novars++] = atoi(var_tok);
if (num_novars==max_specified_vars) {
fprintf(stderr,"Maximum number of user-specified variations exceeded. Truncating.\n");
break;
}
}
/* Loop over the novars and set ivars to the complement */
for (i=0;i<flam3_nvariations;i++) {
for (j=0;j<num_novars;j++) {
if (novars[j] == i)
break;
}
if (j==num_novars)
ivars[num_ivars++] = i;
}
}
}
if (1 < (!!mutate + !!(cross0 || cross1) +
!!inter + !!rotate + !!clone + !!strip )) {
fprintf(stderr,
"can only specify one of mutate, clone, cross, rotate, strip, or inter.\n");
exit(1);
}
if ( (!cross0) ^ (!cross1) ) {
fprintf(stderr, "must specify both crossover arguments.\n");
exit(1);
}
if (method && (!cross0 && !mutate)) {
fprintf(stderr, "cannot specify method unless doing crossover or mutate.\n");
exit(1);
}
if (getenv("template")) {
char *tf = getenv("template");
templ = string_to_cp(tf, &ncp, flam3_defaults_off);
if (1 < ncp) {
fprintf(stderr, "more than one control point in template, "
"ignoring all but first.\n");
} else if (0 == ncp) {
fprintf(stderr, "no control points in template.\n");
exit(1);
}
}
/* Methods for genetic manipulation begin here */
if (clone_all) {
cp = string_to_cp(clone_all, &ncp, flam3_defaults_on);
printf("<clone_all version=\"FLAM3-%s\">\n", flam3_version());
for (i = 0; i < ncp; i++) {
if (templ) flam3_apply_template(&cp[i], templ);
offset(&cp[i]);
gprint(&cp[i], 1);
}
printf("</clone_all>\n");
exit(0);
}
if (animate) {
flam3_genome interpolated;
int first_frame,last_frame;
int ftime,iscp;
double stagger = argf("stagger", 0.0);
cp = string_to_cp(animate, &ncp, flam3_defaults_on);
for (i = 0; i < ncp; i++) {
if (i > 0 && cp[i].time <= cp[i-1].time) {
fprintf(stderr, "error: control points must be sorted by time, but %g <= %g, index %d.\n",
cp[i].time, cp[i-1].time, i);
exit(1);
}
/* Strip out all motion elements here */
for (j=0;j<cp[i].num_xforms;j++)
flam3_delete_motion_elements(&cp[i].xform[j]);
}
if (!getenv("begin"))
first_frame = (int) cp[0].time;
else
first_frame = argi("begin",0);
if (!getenv("end"))
last_frame = (int) cp[ncp-1].time;
else
last_frame = argi("end",0);
if (last_frame < first_frame) last_frame = first_frame;
printf("<animate version=\"FLAM3-%s\">\n", flam3_version());
for (ftime = first_frame; ftime <= last_frame; ftime += 1) {
iscp=0;
for (i=0;i<ncp;i++) {
if ( ftime==cp[i].time ) {
flam3_copy(&interpolated, &(cp[i]) );
iscp=1;
}
}
if (iscp==0) {
flam3_interpolate(cp, ncp, (double)ftime, stagger, &interpolated);
for (i=0;i<ncp;i++) {
if ( ftime==cp[i].time-1 ) {
iscp=1;
}
}
if (iscp==0)
interpolated.interpolation_type = flam3_inttype_linear;
}
if (templ) flam3_apply_template(&interpolated, templ);
gprint(&interpolated, 1);
}
printf("</animate>\n");
exit(0);
}
if (sequence) {
double blend;
int seqflag;
int framecount;
if (nframes <= 0) {
fprintf(stderr, "nframes must be positive, not %d.\n", nframes);
exit(1);
}
cp = string_to_cp(sequence, &ncp, flam3_defaults_on);
if (enclosed) printf("<sequence version=\"FLAM3-%s\">\n", flam3_version());
framecount = 0;
#if 1
for (i = 0; i < ncp; i++) {
if (loops) {
for (frame = 0; frame < nframes; frame++) {
blend = frame/(double)nframes;
spin(framecount++, blend, &cp[i], templ);
}
}
if (i < ncp-1)
for (frame = 0; frame < nframes; frame++) {
if (0==frame || nframes-1==frame)
seqflag=1;
else
seqflag=0;
blend = frame/(double)nframes;
spin_inter(framecount++, blend, seqflag, &cp[i], templ);
}
}
spin(framecount, 0.0, &cp[ncp-1], templ);
#else
if (1) {
flam3_genome res;
memset(&res, 0, sizeof(flam3_genome));
res.final_xform_index = -1;
flam3_add_xforms(&res, cp[0].num_xforms, 0);
if (ncp < 4) {
fprintf(stderr, "catmull-rom requires 4 or more control points.\n");
exit(1);
}
for (i = 0; i < ncp - 3; i++) {
for (frame = 0; frame < nframes; frame++) {
blend = frame/(double)nframes;
interpolate_catmull_rom(cp+i, blend, &res);
res.time = frame + i * nframes;
gprint(&res, 0);
fflush(stdout);
}
}
}
#endif
if (enclosed) printf("</sequence>\n");
exit(0);
}
if (inter || rotate) {
double blend, spread;
char *fname = inter?inter:rotate;
int ni;
if (nframes <= 0) {
fprintf(stderr, "nframes must be positive, not %d.\n", nframes);
exit(1);
}
blend = frame/(double)nframes;
spread = 1.0/nframes;
cp = string_to_cp(fname, &ncp, flam3_defaults_on);
if (enclosed) printf("<pick version=\"FLAM3-%s\">\n", flam3_version());
if (rotate) {
if (1 != ncp) {
fprintf(stderr, "rotation requires one control point, not %d.\n", ncp);
exit(1);
}
spin(frame - 1, blend - spread, cp, templ);
spin(frame , blend , cp, templ);
spin(frame + 1, blend + spread, cp, templ);
} else {
if (2 != ncp) {
fprintf(stderr, "interpolation requires two control points, not %d.\n", ncp);
exit(1);
}
spin_inter(frame - 1, blend - spread, 0, cp, templ);
spin_inter(frame , blend , 0, cp, templ);
spin_inter(frame + 1, blend + spread, 0, cp, templ);
}
if (enclosed) printf("</pick>\n");
for (ni=0;ni<ncp;ni++) {
xmlFreeDoc(cp[ni].edits);
clear_cp(&cp[ni],flam3_defaults_on);
}
free(cp);
exit(0);
}
if (strip) {
cp = string_to_cp(strip, &ncp, flam3_defaults_on);
if (enclosed) printf("<pick version=\"FLAM3-%s\">\n", flam3_version());
for (i = 0; i < ncp; i++) {
double old_center[2];
/* Strip out motion elements */
for (j=0;j<cp[i].num_xforms;j++)
flam3_delete_motion_elements(&cp[i].xform[j]);
old_center[0] = cp[i].center[0];
old_center[1] = cp[i].center[1];
cp[i].height /= nframes;
cp[i].center[1] = cp[i].center[1] - ((nframes - 1) * cp[i].height) /
(2 * cp[i].pixels_per_unit * pow(2.0, cp[i].zoom));
cp[i].center[1] += cp[i].height * frame / ( cp[i].pixels_per_unit * pow(2.0,cp[i].zoom) );
rotate_by(cp[i].center, old_center, cp[i].rotate);
if (templ) flam3_apply_template(&cp[i], templ);
offset(&cp[i]);
gprint(&cp[i], 1);
}
if (enclosed) printf("</pick>\n");
exit(0);
}
if (find_parents) {
cp = string_to_cp(find_parents, &ncp, flam3_defaults_on);
if (1 != ncp) {
fprintf(stderr, "can only find parents of one genome\n");
exit(1);
}
xmlDocPtr edits = cp[0].edits;
xmlNode *rootnode = xmlDocGetRootElement(edits);
print_find_parents(rootnode, 0, 0);
exit(0);
}
/* pick a control point until it looks good enough */
if (repeat <= 0) {
fprintf(stderr, "repeat must be positive, not %d.\n", repeat);
exit(1);
}
if (enclosed) printf("<pick version=\"FLAM3-%s\">\n", flam3_version());
image = (unsigned char *) malloc(3 * cp_orig.width * cp_orig.height);
for (rep = 0; rep < repeat; rep++) {
if (verbose)
fprintf(stderr, "flame = %d/%d..", rep+1, repeat);
count = 0;
if (clone) {
parent0 = string_to_cp(clone, &parent0_n, flam3_defaults_on);
/* Action is 'clone' with trunc_vars concat */
sprintf(action,"clone");
if (getenv("clone_action"))
sprintf(action,"clone %s", getenv("clone_action"));
flam3_copy(&selp0, &(parent0[random()%parent0_n]));
flam3_copy(&cp_save, &selp0);
aselp0 = &selp0;
aselp1 = NULL;
truncate_variations(&cp_save, 5, action);
cp_save.edits = create_new_editdoc(action, aselp0, aselp1);
} else {
int did_color;
do {
int random_mode=0;
if (verbose) fprintf(stderr, ".");
did_color = 0;
f.time = (double) 0.0;
action[0] = 0;
if (mutate) {
int mutmeth;
parent0 = string_to_cp(mutate, &parent0_n, flam3_defaults_on);
flam3_copy(&selp0, &(parent0[((unsigned)irand(&f.rc))%parent0_n]));
flam3_copy(&cp_orig, &selp0);
aselp0 = &selp0;
aselp1 = NULL;
if (NULL == getenv("method"))
mutmeth = MUTATE_NOT_SPECIFIED;
else if (!strcmp(method,"all_vars"))
mutmeth = MUTATE_ALL_VARIATIONS;
else if (!strcmp(method,"one_xform"))
mutmeth = MUTATE_ONE_XFORM_COEFS;
else if (!strcmp(method,"add_symmetry"))
mutmeth = MUTATE_ADD_SYMMETRY;
else if (!strcmp(method,"post_xforms"))
mutmeth = MUTATE_POST_XFORMS;
else if (!strcmp(method,"color_palette"))
mutmeth = MUTATE_COLOR_PALETTE;
else if (!strcmp(method,"delete_xform"))
mutmeth = MUTATE_DELETE_XFORM;
else if (!strcmp(method,"all_coefs"))
mutmeth = MUTATE_ALL_COEFS;
else {
fprintf(stderr,"method '%s' not defined for mutate. defaulting to random.\n",method);
mutmeth = MUTATE_NOT_SPECIFIED;
}
flam3_mutate(&cp_orig, mutmeth, ivars, num_ivars, sym, speed, &f.rc, action);
/* Scan string returned for 'mutate color' */
if ( strstr(action,"mutate color") )
did_color = 1;
if (cp_orig.flame_name[0]) {
char tm[flam3_name_len+1];
strncpy(tm, cp_orig.flame_name, flam3_name_len);
snprintf(cp_orig.flame_name, flam3_name_len, "mutation %d of %s", rep, tm);
}
} else if (cross0) {
int i0, i1;
int crossmeth;
parent0 = string_to_cp(cross0, &parent0_n, flam3_defaults_on);
parent1 = string_to_cp(cross1, &parent1_n, flam3_defaults_on);
i0 = ((unsigned)irand(&f.rc))%parent0_n;
i1 = ((unsigned)irand(&f.rc))%parent1_n;
flam3_copy(&selp0, &(parent0[i0]));
flam3_copy(&selp1, &(parent1[i1]));
aselp0 = &selp0;
aselp1 = &selp1;
if (NULL == getenv("method"))
crossmeth = CROSS_NOT_SPECIFIED;
else if (!strcmp(method,"union"))