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-rw-r--r--flam3-convert.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/flam3-convert.c b/flam3-convert.c
new file mode 100644
index 0000000..3062a4b
--- /dev/null
+++ b/flam3-convert.c
@@ -0,0 +1,239 @@
+/*
+ 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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