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gimp/plug-ins/flame/flame.c

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Initial revision
1997-11-25 06:05:25 +08:00
/*
flame - cosmic recursive fractal flames
Copyright (C) 1997 Scott Draves <spot@cs.cmu.edu>
The GIMP -- an image manipulation program
Copyright (C) 1995 Spencer Kimball and Peter Mattis
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include "gtk/gtk.h"
#include "libgimp/gimp.h"
#include "libgimp/gimpmenu.h"
#include "libgimp/gimpwire.h"
#include "app/drawable.h"
#include "megawidget.h"
#include "libifs.h"
#include "rect.h"
#include "cmap.h"
#define variation_same (-2)
/* Declare local functions. */
static void query(void);
static void run(char *name,
int nparams,
GParam * param,
int *nreturn_vals,
GParam ** return_vals);
static gint dialog();
static void doit(GDrawable * drawable);
static void set_flame_preview();
static void load_callback(GtkWidget * widget, gpointer data);
static void store_callback(GtkWidget * widget, gpointer data);
static void set_edit_preview();
static void menu_cb(GtkWidget * widget, gpointer data);
static void my_mw_update_cb(gpointer data);
static void init_mutants();
char buffer[10000];
GtkWidget *cmap_preview;
GtkWidget *flame_preview;
int preview_width, preview_height;
GtkWidget *dlg;
static GtkWidget *file_dlg = 0;
static int load_store;
GtkWidget *edit_dlg = 0;
#define preview_size 150
#define edit_preview_size 85
#define nmutants 9
control_point edit_cp;
control_point mutants[nmutants];
GtkWidget *edit_previews[nmutants];
double pick_speed = 0.2;
GPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
int run_flag = 0;
#define black_drawable (-2)
#define gradient_drawable (-3)
#define table_drawable (-4)
struct {
int randomize; /* superseded */
int variation;
gint32 cmap_drawable;
control_point cp;
} config;
frame_spec f = {0.0, &config.cp, 1, 0.0};
MAIN();
static void query()
{
static GParamDef args[] =
{
{PARAM_INT32, "run_mode", "Interactive, non-interactive"},
{PARAM_IMAGE, "image", "Input image (unused)"},
{PARAM_DRAWABLE, "drawable", "Input drawable"},
};
static GParamDef *return_vals = NULL;
static int nargs = sizeof(args) / sizeof(args[0]);
static int nreturn_vals = 0;
gimp_install_procedure("plug_in_flame",
"cosmic recursive fractal flames",
"use Smooth Palette to make colormaps",
"Scott Draves",
"Scott Draves",
"1997",
"<Image>/Filters/Render/Flame",
"RGB*",
PROC_PLUG_IN,
nargs, nreturn_vals,
args, return_vals);
}
static void maybe_init_cp() {
if (0 == config.cp.spatial_oversample) {
config.randomize = 0;
config.variation = variation_same;
config.cmap_drawable = gradient_drawable;
random_control_point(&config.cp, variation_random);
config.cp.center[0] = 0.0;
config.cp.center[1] = 0.0;
config.cp.pixels_per_unit = 100;
config.cp.spatial_oversample = 2;
config.cp.gamma = 2.0;
config.cp.contrast = 1.0;
config.cp.brightness = 1.0;
config.cp.spatial_filter_radius = 0.75;
config.cp.sample_density = 5.0;
config.cp.zoom = 0.0;
config.cp.nbatches = 1;
config.cp.white_level = 200;
config.cp.cmap_index = 72;
/* cheating */
config.cp.width = 256;
config.cp.height = 256;
}
}
static void run(char *name, int n_params, GParam * param, int *nreturn_vals,
GParam ** return_vals)
{
static GParam values[1];
GDrawable *drawable;
GRunModeType run_mode;
GStatusType status = STATUS_SUCCESS;
*nreturn_vals = 1;
*return_vals = values;
srandom(time(0));
run_mode = param[0].data.d_int32;
if (run_mode == RUN_NONINTERACTIVE) {
status = STATUS_CALLING_ERROR;
} else {
gimp_get_data("plug_in_flame", &config);
/* XXX i tried using the init routine, but it didn't work. */
mw_update_cb = my_mw_update_cb;
maybe_init_cp();
drawable = gimp_drawable_get(param[2].data.d_drawable);
config.cp.width = drawable->width;
config.cp.height = drawable->height;
if (run_mode == RUN_INTERACTIVE) {
if (!dialog()) {
status = STATUS_EXECUTION_ERROR;
}
}
}
if (status == STATUS_SUCCESS) {
if (gimp_drawable_color(drawable->id)) {
gimp_progress_init("Drawing Flame...");
gimp_tile_cache_ntiles(2 * (drawable->width / gimp_tile_width() + 1));
doit(drawable);
if (run_mode != RUN_NONINTERACTIVE)
gimp_displays_flush();
gimp_set_data("plug_in_flame", &config, sizeof(config));
} else {
status = STATUS_EXECUTION_ERROR;
}
gimp_drawable_detach(drawable);
}
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
}
static void
drawable_to_cmap(control_point *cp) {
int i, j;
GPixelRgn pr;
GDrawable *d;
guchar *p;
int indexed;
if (table_drawable >= config.cmap_drawable) {
i = table_drawable - config.cmap_drawable;
get_cmap(i, cp->cmap, 256);
} else if (black_drawable == config.cmap_drawable) {
for (i = 0; i < 256; i++)
for (j = 0; j < 3; j++)
cp->cmap[i][j] = 0.0;
} else if (gradient_drawable == config.cmap_drawable) {
gdouble *g = gimp_gradients_sample_uniform(256);
for (i = 0; i < 256; i++)
for (j = 0; j < 3; j++)
cp->cmap[i][j] = g[i*4 + j];
free(g);
} else {
d = gimp_drawable_get(config.cmap_drawable);
indexed = gimp_drawable_indexed(config.cmap_drawable);
p = (guchar *) malloc(d->bpp);
gimp_pixel_rgn_init(&pr, d, 0, 0,
d->width, d->height, FALSE, FALSE);
for (i = 0; i < 256; i++) {
gimp_pixel_rgn_get_pixel(&pr, p, i % d->width,
(i / d->width) % d->height);
for (j = 0; j < 3; j++)
cp->cmap[i][j] =
(d->bpp >= 3) ? (p[j] / 255.0) : (p[0]/255.0);
}
free(p);
}
}
static void doit(GDrawable * drawable)
{
gint width, height;
guchar *tmp;
gint bytes;
width = drawable->width;
height = drawable->height;
bytes = drawable->bpp;
if (3 != bytes && 4 != bytes) {
fprintf(stderr, "only works with three or four channels, not %d.\n", bytes);
return;
}
tmp = (guchar *) malloc(width * height * 4);
if (tmp == NULL) {
fprintf(stderr, "cannot malloc %d bytes.\n", width * height * bytes);
return;
}
/* render */
config.cp.width = width;
config.cp.height = height;
if (config.randomize)
random_control_point(&config.cp, config.variation);
drawable_to_cmap(&config.cp);
render_rectangle(&f, tmp, width, field_both, 4,
gimp_progress_update);
/* update destination */
if (4 == bytes) {
GPixelRgn pr;
gimp_pixel_rgn_init(&pr, drawable, 0, 0, width, height,
TRUE, TRUE);
gimp_pixel_rgn_set_rect(&pr, tmp, 0, 0, width, height);
} else if (3 == bytes) {
int i, j;
GPixelRgn src_pr, dst_pr;
guchar *sl = (guchar *) malloc(3 * width);
if (sl == NULL) {
fprintf(stderr, "cannot malloc %d bytes.\n", width * 3);
return;
}
gimp_pixel_rgn_init(&src_pr, drawable,
0, 0, width, height, FALSE, FALSE);
gimp_pixel_rgn_init(&dst_pr, drawable,
0, 0, width, height, TRUE, TRUE);
for (i = 0; i < height; i++) {
guchar *rr = tmp + 4 * i * width;
guchar *sld = sl;
gimp_pixel_rgn_get_rect(&src_pr, sl, 0, i, width, 1);
for (j = 0; j < width; j++) {
int k, alpha = rr[3];
for (k = 0; k < 3; k++) {
int t = (rr[k] + ((sld[k] * (256-alpha)) >> 8));
if (t > 255) t = 255;
sld[k] = t;
}
rr += 4;
sld += 3;
}
gimp_pixel_rgn_set_rect(&dst_pr, sl, 0, i, width, 1);
}
free(sl);
} else
printf("oops\n");
free(tmp);
gimp_drawable_flush(drawable);
gimp_drawable_merge_shadow(drawable->id, TRUE);
gimp_drawable_update(drawable->id, 0, 0, width, height);
}
static void close_callback(GtkWidget * widget, gpointer data)
{
gtk_main_quit();
}
static void ok_callback(GtkWidget * widget, gpointer data)
{
run_flag = 1;
gtk_widget_destroy(GTK_WIDGET(data));
if (edit_dlg)
gtk_widget_destroy(edit_dlg);
}
static void file_ok_callback(GtkWidget * widget, gpointer data) {
GtkFileSelection *fs;
char* filename;
fs = GTK_FILE_SELECTION (data);
filename = gtk_file_selection_get_filename (fs);
if (load_store) {
FILE *f = fopen(filename, "r");
int i, c;
char *ss;
if (NULL == f) {
perror(filename);
return;
}
i = 0;
ss = buffer;
do {
c = getc(f);
if (EOF == c)
break;
ss[i++] = c;
} while (';' != c);
parse_control_point(&ss, &config.cp);
fclose(f);
/* i want to update the existing dialogue, but it's
too painful */
gimp_set_data("plug_in_flame", &config, sizeof(config));
/* gtk_widget_destroy(dlg); */
set_flame_preview();
set_edit_preview();
} else {
FILE *f = fopen(filename, "w");
if (NULL == f) {
perror(filename);
return;
}
print_control_point(f, &config.cp, 0);
fclose(f);
}
gtk_widget_hide (file_dlg);
}
static void file_cancel_callback(GtkWidget * widget, gpointer data) {
gtk_widget_hide (file_dlg);
}
static void make_file_dlg() {
file_dlg = gtk_file_selection_new ("Load/Store Flame");
gtk_window_position (GTK_WINDOW (file_dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect(GTK_OBJECT (GTK_FILE_SELECTION (file_dlg)->cancel_button),
"clicked", (GtkSignalFunc) file_cancel_callback, file_dlg);
gtk_signal_connect(GTK_OBJECT (GTK_FILE_SELECTION (file_dlg)->ok_button),
"clicked", (GtkSignalFunc) file_ok_callback, file_dlg);
}
static void randomize_callback(GtkWidget * widget, gpointer data) {
random_control_point(&edit_cp, config.variation);
init_mutants();
set_edit_preview();
}
static void edit_close_callback(GtkWidget * widget, gpointer data) {
gtk_widget_hide(edit_dlg);
}
static void edit_ok_callback(GtkWidget * widget, gpointer data) {
gtk_widget_hide(edit_dlg);
config.cp = edit_cp;
set_flame_preview();
}
static void edit_cancel_callback(GtkWidget * widget, gpointer data) {
gtk_widget_hide(edit_dlg);
}
static void init_mutants() {
int i;
for (i = 0; i < nmutants; i++) {
mutants[i] = edit_cp;
random_control_point(mutants + i, config.variation);
if (variation_same == config.variation)
copy_variation(mutants + i, &edit_cp);
}
}
static void my_mw_update_cb(gpointer data) {
double *fd = (double *) data;
if (fd == &pick_speed)
set_edit_preview();
else if (&config.cp.brightness == fd ||
&config.cp.contrast == fd ||
&config.cp.gamma == fd ||
&config.cp.zoom == fd ||
&config.cp.center[0] == fd ||
&config.cp.center[1] == fd)
set_flame_preview();
}
static void set_edit_preview() {
int y, i, j;
guchar *b;
control_point pcp;
static frame_spec pf = {0.0, 0, 1, 0.0};
int nbytes = edit_preview_size * edit_preview_size * 3;
if (NULL == edit_previews[0]) return;
b = malloc(nbytes);
maybe_init_cp();
drawable_to_cmap(&edit_cp);
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++) {
int mut = i*3 + j;
pf.cps = &pcp;
if (1 == i && 1 == j) {
pcp = edit_cp;
} else {
control_point ends[2];
ends[0] = edit_cp;
ends[1] = mutants[mut];
ends[0].time = 0.0;
ends[1].time = 1.0;
interpolate(ends, 2, pick_speed, &pcp);
}
pcp.pixels_per_unit =
(pcp.pixels_per_unit * edit_preview_size) / pcp.width;
pcp.width = edit_preview_size;
pcp.height = edit_preview_size;
pcp.sample_density = 1;
pcp.spatial_oversample = 1;
pcp.spatial_filter_radius = 0.5;
drawable_to_cmap(&pcp);
render_rectangle(&pf, b, edit_preview_size, field_both, 3, NULL);
for (y = 0; y < edit_preview_size; y++)
gtk_preview_draw_row(GTK_PREVIEW (edit_previews[mut]),
b + y * edit_preview_size * 3,
0, y, edit_preview_size);
gtk_widget_draw (edit_previews[mut], NULL);
}
free(b);
}
static void preview_clicked(GtkWidget * widget, gpointer data) {
int mut = (int) data;
if (mut == 4) {
control_point t = edit_cp;
init_mutants();
edit_cp = t;
} else {
control_point ends[2];
ends[0] = edit_cp;
ends[1] = mutants[mut];
ends[0].time = 0.0;
ends[1].time = 1.0;
interpolate(ends, 2, pick_speed, &edit_cp);
}
set_edit_preview();
}
static void edit_callback(GtkWidget * widget, gpointer data) {
edit_cp = config.cp;
if (0 == edit_dlg) {
GtkWidget *table;
GtkWidget *button;
GtkWidget *box, *frame, *vbox;
int i, j;
edit_dlg = gtk_dialog_new();
gtk_window_set_title(GTK_WINDOW(edit_dlg), "Edit Flame");
gtk_window_position(GTK_WINDOW(edit_dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect(GTK_OBJECT(edit_dlg), "destroy",
(GtkSignalFunc) edit_close_callback, NULL);
button = gtk_button_new_with_label("Ok");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) edit_ok_callback, 0);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(edit_dlg)->action_area),
button, TRUE, TRUE, 0);
gtk_widget_grab_default(button);
gtk_widget_show(button);
button = gtk_button_new_with_label("Cancel");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) edit_cancel_callback, 0);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(edit_dlg)->action_area),
button, TRUE, TRUE, 0);
gtk_widget_grab_default(button);
gtk_widget_show(button);
frame = gtk_frame_new("Directions");
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width(GTK_CONTAINER(frame), 10);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(edit_dlg)->vbox),
frame, TRUE, TRUE, 0);
gtk_widget_show(frame);
table = gtk_table_new(3, 3, FALSE);
gtk_container_add(GTK_CONTAINER(frame), table);
gtk_widget_show(table);
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++) {
int mut = i*3 + j;
edit_previews[mut] = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (edit_previews[mut]),
edit_preview_size, edit_preview_size);
button = gtk_button_new();
gtk_container_add (GTK_CONTAINER(button), edit_previews[mut]);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) preview_clicked,
(gpointer) mut);
gtk_table_attach (GTK_TABLE (table), button, i, i+1, j, j+1,
GTK_EXPAND, GTK_EXPAND, 0, 0);
gtk_widget_show (edit_previews[mut]);
gtk_widget_show (button);
}
frame = gtk_frame_new("Controls");
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width(GTK_CONTAINER(frame), 10);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(edit_dlg)->vbox),
frame, TRUE, TRUE, 0);
gtk_widget_show(frame);
vbox = gtk_vbox_new (FALSE, 5);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show(vbox);
table = gtk_table_new(2, 2, FALSE);
gtk_box_pack_start(GTK_BOX(vbox),
table, TRUE, FALSE, 10);
gtk_widget_show(table);
mw_fscale_entry_new(table, "Speed", 0.05, 0.5, 0.01, 0.1,
0.0, 0, 1, 1, 2, &pick_speed);
box = gtk_hbox_new (TRUE, 5);
gtk_box_pack_start(GTK_BOX(vbox),
box, TRUE, FALSE, 10);
gtk_widget_show(box);
button = gtk_button_new_with_label("Randomize");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) randomize_callback,
(gpointer) 0);
gtk_box_pack_start(GTK_BOX(box), button, TRUE, FALSE, 0);
gtk_widget_show(button);
{
static struct {
char *name;
int value;
} menu_items[] = {
{"Same", variation_same },
{"Random", variation_random },
{"Linear", 0},
{"Sinusoidal", 1},
{"Spherical", 2},
{"Swirl", 3},
{"Horseshoe", 4},
{"Polar", 5},
{"Bent", 6},
{ NULL, 0},
};
GtkWidget *hbox;
GtkWidget *option_menu;
GtkWidget *menu, *w;
int i;
hbox = gtk_hbox_new (FALSE, 5);
gtk_box_pack_start(GTK_BOX(box), hbox, TRUE, FALSE, 10);
gtk_widget_show(hbox);
w = gtk_label_new("Variation:");
gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(hbox), w, FALSE, FALSE, 0);
gtk_widget_show(w);
option_menu = gtk_option_menu_new ();
gtk_box_pack_start(GTK_BOX(hbox), option_menu, FALSE, FALSE, 0);
i = 0;
menu = gtk_menu_new ();
while (menu_items[i].name) {
GtkWidget *menu_item;
menu_item = gtk_menu_item_new_with_label(menu_items[i].name);
gtk_container_add (GTK_CONTAINER (menu), menu_item);
gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
(GtkSignalFunc) menu_cb,
(gpointer) menu_items[i].value);
gtk_widget_show (menu_item);
i++;
}
gtk_menu_set_active (GTK_MENU (menu), config.variation + 2);
gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), menu);
gtk_widget_show (option_menu);
}
init_mutants();
}
set_edit_preview();
if (!GTK_WIDGET_VISIBLE(edit_dlg))
gtk_widget_show(edit_dlg);
}
static void load_callback(GtkWidget * widget, gpointer data) {
if (!file_dlg) {
make_file_dlg();
} else {
if (GTK_WIDGET_VISIBLE(file_dlg))
return;
}
gtk_window_set_title(GTK_WINDOW (file_dlg), "Load Flame");
load_store = 1;
gtk_widget_show (file_dlg);
}
static void store_callback(GtkWidget * widget, gpointer data) {
if (!file_dlg) {
make_file_dlg();
} else {
if (GTK_WIDGET_VISIBLE(file_dlg))
return;
}
gtk_window_set_title(GTK_WINDOW (file_dlg), "Store Flame");
load_store = 0;
gtk_widget_show (file_dlg);
}
static void menu_cb(GtkWidget * widget, gpointer data) {
config.variation = (int) data;
if (variation_same != config.variation)
random_control_point(&edit_cp, config.variation);
init_mutants();
set_edit_preview();
}
static void set_flame_preview() {
int y;
guchar *b;
control_point pcp;
static frame_spec pf = {0.0, 0, 1, 0.0};
if (NULL == flame_preview)
return;
b = malloc(preview_width * preview_height * 3);
maybe_init_cp();
drawable_to_cmap(&config.cp);
pf.cps = &pcp;
pcp = config.cp;
pcp.pixels_per_unit =
(pcp.pixels_per_unit * preview_width) / pcp.width;
pcp.width = preview_width;
pcp.height = preview_height;
pcp.sample_density = 1;
pcp.spatial_oversample = 1;
pcp.spatial_filter_radius = 0.1;
render_rectangle(&pf, b, preview_width, field_both, 3, NULL);
for (y = 0; y < preview_size; y++)
gtk_preview_draw_row(GTK_PREVIEW (flame_preview),
b+y*preview_width*3, 0, y, preview_width);
free(b);
gtk_widget_draw (flame_preview, NULL);
}
static void set_cmap_preview() {
int i, x, y;
guchar b[96];
if (NULL == cmap_preview)
return;
drawable_to_cmap(&config.cp);
for (y = 0; y < 32; y+=4) {
for (x = 0; x < 32; x++) {
int j;
i = x + (y/4)*32;
for (j = 0; j < 3; j++)
b[x*3+j] = config.cp.cmap[i][j]*255.0;
}
gtk_preview_draw_row (GTK_PREVIEW (cmap_preview), b, 0, y, 32);
gtk_preview_draw_row (GTK_PREVIEW (cmap_preview), b, 0, y+1, 32);
gtk_preview_draw_row (GTK_PREVIEW (cmap_preview), b, 0, y+2, 32);
gtk_preview_draw_row (GTK_PREVIEW (cmap_preview), b, 0, y+3, 32);
}
gtk_widget_draw (cmap_preview, NULL);
}
static void gradient_cb(GtkWidget * widget, gpointer data) {
config.cmap_drawable = (int)data;
set_cmap_preview();
set_flame_preview();
/* set_edit_preview(); */
}
static void cmap_callback(gint32 id, gpointer data) {
config.cmap_drawable = id;
set_cmap_preview();
set_flame_preview();
/* set_edit_preview(); */
}
static gint
cmap_constrain (gint32 image_id, gint32 drawable_id, gpointer data) {
return ! gimp_drawable_indexed (drawable_id);
}
static gint dialog() {
GtkWidget *button;
GtkWidget *table;
GtkWidget *box;
GtkWidget *w;
GtkWidget *frame;
gchar **argv;
gint argc;
int row;
guchar *color_cube;
argc = 1;
argv = g_new(gchar *, 1);
argv[0] = g_strdup("flame");
gtk_init(&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
gtk_preview_set_gamma (gimp_gamma ());
gtk_preview_set_install_cmap (gimp_install_cmap ());
color_cube = gimp_color_cube ();
gtk_preview_set_color_cube (color_cube[0], color_cube[1],
color_cube[2], color_cube[3]);
gtk_widget_set_default_visual (gtk_preview_get_visual ());
gtk_widget_set_default_colormap (gtk_preview_get_cmap ());
dlg = gtk_dialog_new();
gtk_window_set_title(GTK_WINDOW(dlg), "Flame");
gtk_window_position(GTK_WINDOW(dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect(GTK_OBJECT(dlg), "destroy",
(GtkSignalFunc) close_callback, NULL);
button = gtk_button_new_with_label("Ok");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) ok_callback,
dlg);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area), button, TRUE, TRUE, 0);
gtk_widget_grab_default(button);
gtk_widget_show(button);
button = gtk_button_new_with_label("Cancel");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) gtk_widget_destroy,
GTK_OBJECT(dlg));
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->action_area), button, TRUE, TRUE, 0);
gtk_widget_show(button);
frame = gtk_frame_new("Rendering");
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width(GTK_CONTAINER(frame), 10);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->vbox), frame, TRUE, TRUE, 0);
gtk_widget_show(frame);
box = gtk_vbox_new (FALSE, 5);
gtk_container_add(GTK_CONTAINER(frame), box);
gtk_widget_show(box);
table = gtk_table_new(7, 2, FALSE);
gtk_box_pack_start(GTK_BOX(box), table, FALSE, FALSE, 0);
gtk_container_border_width(GTK_CONTAINER(table), 10);
gtk_widget_show(table);
gtk_table_set_row_spacings(GTK_TABLE(table), 10);
gtk_table_set_col_spacings(GTK_TABLE(table), 10);
row = 1;
/* this zoom - gamma should redraw flame preview */
mw_fscale_entry_new(table, "Brightness", 0, 5, 1, 1, 0,
0, 1, row, row+1, &config.cp.brightness); row++;
mw_fscale_entry_new(table, "Contrast", 0, 5, 1, 1, 0,
0, 1, row, row+1, &config.cp.contrast); row++;
mw_fscale_entry_new(table, "Gamma", 1, 5, 1, 1, 0,
0, 1, row, row+1, &config.cp.gamma); row++;
mw_fscale_entry_new(table, "Sample Density", 0.1, 20, 1, 5, 0,
0, 1, row, row+1, &config.cp.sample_density); row++;
mw_iscale_entry_new(table, "Spatial Oversample", 1, 4, 1, 1, 0,
0, 1, row, row+1, &config.cp.spatial_oversample); row++;
mw_fscale_entry_new(table, "Spatial Filter Radius", 0, 4, 1, 1, 0,
0, 1, row, row+1, &config.cp.spatial_filter_radius); row++;
{
GtkWidget *menu;
GtkWidget *hbox;
GtkWidget *menuitem;
GtkWidget *option_menu = gtk_option_menu_new ();
gint32 save_drawable = config.cmap_drawable;
hbox = gtk_hbox_new (FALSE, 5);
gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 10);
gtk_widget_show(hbox);
w = gtk_label_new("Colormap:");
gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(hbox), w, TRUE, TRUE, 10);
gtk_widget_show(w);
gtk_box_pack_start(GTK_BOX(hbox), option_menu, TRUE, TRUE, 10);
menu = gimp_drawable_menu_new(cmap_constrain, cmap_callback,
0, config.cmap_drawable);
config.cmap_drawable = save_drawable;
#if 0
menuitem = gtk_menu_item_new_with_label("Black");
gtk_signal_connect(GTK_OBJECT (menuitem), "activate",
(GtkSignalFunc) gradient_cb,
(gpointer) black_drawable);
gtk_menu_prepend(GTK_MENU (menu), menuitem);
if (black_drawable == save_drawable)
gtk_menu_set_active(GTK_MENU(menu), 0);
gtk_widget_show(menuitem);
#endif
{
static char *names[] =
{"sunny harvest", "rose", "calcoast09",
"klee insula-dulcamara",
"ernst anti-pope", "gris josette"};
static int good[] = {10, 20, 68, 79, 70, 75};
int i, n = (sizeof good) / (sizeof *good);
for (i = 0; i < n; i++) {
int d = table_drawable - good[i];
menuitem = gtk_menu_item_new_with_label(names[i]);
gtk_signal_connect(GTK_OBJECT (menuitem), "activate",
(GtkSignalFunc) gradient_cb,
(gpointer) d);
gtk_menu_prepend(GTK_MENU (menu), menuitem);
if (d == save_drawable)
gtk_menu_set_active(GTK_MENU(menu), 0);
gtk_widget_show(menuitem);
}
}
menuitem = gtk_menu_item_new_with_label("Custom Gradient");
gtk_signal_connect(GTK_OBJECT (menuitem), "activate",
(GtkSignalFunc) gradient_cb,
(gpointer) gradient_drawable);
gtk_menu_prepend(GTK_MENU (menu), menuitem);
if (gradient_drawable == save_drawable)
gtk_menu_set_active(GTK_MENU(menu), 0);
gtk_widget_show(menuitem);
gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), menu);
gtk_widget_show (option_menu);
cmap_preview = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (cmap_preview), 32, 32);
gtk_box_pack_start(GTK_BOX(hbox), cmap_preview, TRUE, TRUE, 10);
gtk_widget_show (cmap_preview);
set_cmap_preview();
}
frame = gtk_frame_new("Camera");
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width(GTK_CONTAINER(frame), 10);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->vbox), frame, TRUE, TRUE, 0);
gtk_widget_show(frame);
table = gtk_table_new(4, 2, FALSE);
gtk_container_border_width(GTK_CONTAINER(table), 10);
gtk_container_add(GTK_CONTAINER(frame), table);
gtk_widget_show(table);
gtk_table_set_row_spacings(GTK_TABLE(table), 10);
gtk_table_set_col_spacings(GTK_TABLE(table), 10);
row = 1;
mw_fscale_entry_new(table, "Zoom", -4, 4, 1, 1, 0,
0, 1, row, row+1, &config.cp.zoom); row++;
mw_fscale_entry_new(table, "X", -2, 2, 0.5, 0.5, 0,
0, 1, row, row+1, &config.cp.center[0]); row++;
mw_fscale_entry_new(table, "Y", -2, 2, 0.5, 0.5, 0,
0, 1, row, row+1, &config.cp.center[1]); row++;
flame_preview = gtk_preview_new (GTK_PREVIEW_COLOR);
{
double aspect = config.cp.width / (double) config.cp.height;
if (aspect > 1.0) {
preview_width = preview_size;
preview_height = preview_size/aspect;
} else {
preview_width = preview_size*aspect;
preview_height = preview_size;
}
}
gtk_preview_size (GTK_PREVIEW (flame_preview), preview_width, preview_height);
box = gtk_hbox_new (FALSE, 5);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dlg)->vbox),
box, FALSE, FALSE, 0);
gtk_widget_show(box);
frame = gtk_frame_new("Preview");
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width(GTK_CONTAINER(frame), 10);
gtk_container_add(GTK_CONTAINER(frame), flame_preview);
gtk_box_pack_start(GTK_BOX(box), frame, TRUE, FALSE, 0);
gtk_widget_show(frame);
gtk_widget_show (flame_preview);
set_flame_preview();
{
GtkWidget *vbox = gtk_vbox_new (TRUE, 5);
gtk_box_pack_start(GTK_BOX(box), vbox, TRUE, FALSE, 0);
gtk_widget_show(vbox);
button = gtk_button_new_with_label("Shape Edit");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) edit_callback,
(gpointer) 0);
gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, FALSE, 10);
gtk_widget_show(button);
button = gtk_button_new_with_label("Load");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) load_callback,
(gpointer) 0);
gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, FALSE, 10);
gtk_widget_show(button);
button = gtk_button_new_with_label("Store");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) store_callback,
(gpointer) 0);
gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, FALSE, 10);
gtk_widget_show(button);
}
gtk_widget_show(dlg);
gtk_main();
gdk_flush();
return run_flag;
}