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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"
#define MAXARGS 1000
#define streql(x,y) (!strcmp(x,y))
/*
* split a string passed in ss into tokens on whitespace.
* # comments to end of line. ; terminates the record
*/
void tokenize(ss, argv, argc)
char **ss;
char *argv[];
int *argc;
{
char *s = *ss;
int i = 0, state = 0;
while (*s != ';') {
char c = *s;
switch (state) {
case 0:
if ('#' == c)
state = 2;
else if (!isspace(c)) {
argv[i] = s;
i++;
state = 1;
}
case 1:
if (isspace(c)) {
*s = 0;
state = 0;
}
case 2:
if ('\n' == c)
state = 0;
}
s++;
}
*s = 0;
*ss = s+1;
*argc = i;
}
/*
* given a pointer to a string SS, fill fields of a control point CP.
* return a pointer to the first unused char in SS. totally barfucious,
* must integrate with tcl soon...
*/
void parse_control_point_old(char **ss, flam3_genome *cp) {
char *argv[MAXARGS];
int argc, i, j;
int set_cm = 0, set_image_size = 0, set_nbatches = 0, set_white_level = 0, set_cmap_inter = 0;
int set_spatial_oversample = 0, set_hr = 0;
double *slot, xf, cm, t, nbatches, white_level, spatial_oversample, cmap_inter;
double image_size[2];
memset(cp, 0, sizeof(flam3_genome));
flam3_add_xforms(cp, flam3_nxforms, 0, 0);
for (i = 0; i < flam3_nxforms; i++) {
cp->xform[i].density = 0.0;
cp->xform[i].color = i&1;
cp->xform[i].color_speed = 0.5;
cp->xform[i].animate = 1.0;
cp->xform[i].var[0] = 1.0;
for (j = 1; j < flam3_nvariations; j++)
cp->xform[i].var[j] = 0.0;
cp->xform[i].c[0][0] = 1.0;
cp->xform[i].c[0][1] = 0.0;
cp->xform[i].c[1][0] = 0.0;
cp->xform[i].c[1][1] = 1.0;
cp->xform[i].c[2][0] = 0.0;
cp->xform[i].c[2][1] = 0.0;
}
tokenize(ss, argv, &argc);
for (i = 0; i < argc; i++) {
if (streql("xform", argv[i]))
slot = &xf;
else if (streql("time", argv[i]))
slot = &cp->time;
else if (streql("brightness", argv[i]))
slot = &cp->brightness;
else if (streql("contrast", argv[i]))
slot = &cp->contrast;
else if (streql("gamma", argv[i]))
slot = &cp->gamma;
else if (streql("vibrancy", argv[i]))
slot = &cp->vibrancy;
else if (streql("hue_rotation", argv[i])) {
slot = &cp->hue_rotation;
set_hr = 1;
} else if (streql("zoom", argv[i]))
slot = &cp->zoom;
else if (streql("image_size", argv[i])) {
slot = image_size;
set_image_size = 1;
} else if (streql("center", argv[i]))
slot = cp->center;
else if (streql("background", argv[i]))
slot = cp->background;
else if (streql("pixels_per_unit", argv[i]))
slot = &cp->pixels_per_unit;
else if (streql("spatial_filter_radius", argv[i]))
slot = &cp->spatial_filter_radius;
else if (streql("sample_density", argv[i]))
slot = &cp->sample_density;
else if (streql("nbatches", argv[i])) {
slot = &nbatches;
set_nbatches = 1;
} else if (streql("white_level", argv[i])) {
slot = &white_level;
set_white_level = 1;
} else if (streql("spatial_oversample", argv[i])) {
slot = &spatial_oversample;
set_spatial_oversample = 1;
} else if (streql("cmap", argv[i])) {
slot = &cm;
set_cm = 1;
} else if (streql("palette", argv[i])) {
slot = &cp->palette[0].color[0];
} else if (streql("density", argv[i]))
slot = &cp->xform[(int)xf].density;
else if (streql("color", argv[i]))
slot = &cp->xform[(int)xf].color;
else if (streql("coefs", argv[i])) {
slot = cp->xform[(int)xf].c[0];
cp->xform[(int)xf].density = 1.0;
} else if (streql("var", argv[i]))
slot = cp->xform[(int)xf].var;
else if (streql("cmap_inter", argv[i])) {
slot = &cmap_inter;
set_cmap_inter = 1;
} else
*slot++ = atof(argv[i]);
}
if (set_cm) {
double hr = set_hr ? cp->hue_rotation : 0.0;
cp->palette_index = (int) cm;
flam3_get_palette(cp->palette_index, cp->palette, hr);
}
if (set_image_size) {
cp->width = (int) image_size[0];
cp->height = (int) image_size[1];
}
if (set_nbatches)
cp->nbatches = (int) nbatches;
if (set_spatial_oversample)
cp->spatial_oversample = (int) spatial_oversample;
if (set_white_level) {
/* ignore */
}
for (i = 0; i < flam3_nxforms; i++) {
t = 0.0;
for (j = 0; j < flam3_nvariations; j++)
t += cp->xform[i].var[j];
t = 1.0 / t;
for (j = 0; j < flam3_nvariations; j++)
cp->xform[i].var[j] *= t;
}
}
int
main(int argc, char **argv)
{
char *s, *ss;
#ifdef WIN32
char *slashloc;
char palpath[256],exepath[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 (1 != argc) {
docstring();
exit(0);
}
{
int i, c, slen = 5000;
s = malloc(slen);
i = 0;
do {
c = getchar();
if (EOF == c) goto done_reading;
s[i++] = c;
if (i == slen-1) {
slen *= 2;
s = realloc(s, slen);
}
} while (1);
done_reading:
s[i] = 0;
}
ss = s;
s += strlen(s);
printf("<conversions>\n");
while (strchr(ss, ';')) {
flam3_genome cp;
parse_control_point_old(&ss, &cp);
flam3_print(stdout, &cp, NULL, flam3_print_edits);
}
printf("</conversions>\n");
return 0;
}
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