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gimp/app/palette.c

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/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_DIRENT_H
#include <sys/types.h>
#include <dirent.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
#include "appenv.h"
#include "actionarea.h"
#include "buildmenu.h"
#include "colormaps.h"
#include "color_area.h"
#include "color_select.h"
#include "datafiles.h"
#include "devices.h"
#include "errors.h"
#include "general.h"
#include "gimprc.h"
#include "gradient_header.h"
#include "gradient.h"
#include "interface.h"
#include "palette.h"
#include "palette_entries.h"
#include "session.h"
#include "palette_select.h"
#include "dialog_handler.h"
#include "pixmaps/zoom_in.xpm"
#include "pixmaps/zoom_out.xpm"
#include "libgimp/gimpintl.h"
#define ENTRY_WIDTH 12
#define ENTRY_HEIGHT 10
#define SPACING 1
#define COLUMNS 16
#define ROWS 11
#define PREVIEW_WIDTH ((ENTRY_WIDTH * COLUMNS) + (SPACING * (COLUMNS + 1)))
#define PREVIEW_HEIGHT ((ENTRY_HEIGHT * ROWS) + (SPACING * (ROWS + 1)))
#define PALETTE_EVENT_MASK GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_ENTER_NOTIFY_MASK
/* New palette code... */
#define IMPORT_PREVIEW_WIDTH 80
#define IMPORT_PREVIEW_HEIGHT 80
#define MAX_IMAGE_COLOURS (10000*2)
typedef enum
{
GRAD_IMPORT = 0,
IMAGE_IMPORT = 1,
} ImportType;
struct _ImportDialog {
GtkWidget *dialog;
GtkWidget *preview;
GtkWidget *entry;
GtkWidget *select_area;
GtkWidget *select;
GtkWidget *image_list;
GtkWidget *image_menu_item_image;
GtkWidget *image_menu_item_gradient;
GtkWidget *optionmenu1_menu;
GtkWidget *type_option;
GtkWidget *threshold_scale;
GtkWidget *threshold_text;
GtkAdjustment *threshold;
GtkAdjustment *sample;
ImportType import_type;
GimpImage *gimage;
};
typedef struct _ImportDialog ImportDialog ,*ImportDialogP;
typedef struct _Palette _Palette, *PaletteP;
struct _Palette {
GtkWidget *shell;
GtkWidget *color_area;
GtkWidget *scrolled_window;
GtkWidget *color_name;
GtkWidget *clist;
GtkWidget *popup_menu;
GtkWidget *popup_small_menu;
ColorSelectP color_select;
int color_select_active;
PaletteEntriesP entries;
PaletteEntryP color;
GdkGC *gc;
guint entry_sig_id;
gfloat zoom_factor; /* range from 0.1 to 4.0 */
gint columns;
gint freeze_update;
};
static void palette_entries_free (PaletteEntriesP);
static void palette_entries_load (char *);
static void palette_entry_free (PaletteEntryP);
static void palette_entries_save (PaletteEntriesP, char *);
PaletteP create_palette_dialog (gint vert);
static void palette_draw_entries (PaletteP palette,gint row_start, gint column_highlight);
static void redraw_palette(PaletteP palette);
static GSList * palette_entries_insert_list (GSList *list,PaletteEntriesP entries,gint pos);
void palette_clist_init(GtkWidget *clist,
GtkWidget *shell,
GdkGC *gc);
static void palette_draw_small_preview(GdkGC *gc, PaletteEntriesP p_entry);
static void palette_scroll_clist_to_current(PaletteP palette);
static void palette_update_small_preview(PaletteP palette);
static void palette_scroll_top_left(PaletteP palette);
static ImportDialogP palette_import_dialog(PaletteP palette);
static void palette_import_dialog_callback (GtkWidget *w,gpointer client_data);
static void import_palette_create_from_image (GImage *gimage,guchar *pname,PaletteP palette);
static void palette_merge_dialog_callback (GtkWidget *w,gpointer client_data);
GSList *palette_entries_list = NULL;
static PaletteEntriesP default_palette_entries = NULL;
static int num_palette_entries = 0;
static unsigned char foreground[3] = { 0, 0, 0 };
static unsigned char background[3] = { 255, 255, 255 };
static ImportDialogP import_dialog = NULL;
PaletteP top_level_edit_palette = NULL;
PaletteP top_level_palette = NULL;
static void
palette_entries_free (PaletteEntriesP entries)
{
PaletteEntryP entry;
GSList * list;
list = entries->colors;
while (list)
{
entry = (PaletteEntryP) list->data;
palette_entry_free (entry);
list = list->next;
}
g_free (entries->name);
if (entries->filename)
g_free (entries->filename);
g_free (entries);
}
static void
palette_entries_delete (char *filename)
{
if (filename)
unlink (filename);
}
void
palettes_init (int no_data)
{
palette_init_palettes (no_data);
}
void
palette_free_palettes (void)
{
GSList *list;
PaletteEntriesP entries;
list = palette_entries_list;
while (list)
{
entries = (PaletteEntriesP) list->data;
/* If the palette has been changed, save it, if possible */
if (entries->changed)
/* save the palette */
palette_entries_save (entries, entries->filename);
palette_entries_free (entries);
list = g_slist_next (list);
}
g_slist_free (palette_entries_list);
num_palette_entries = 0;
palette_entries_list = NULL;
}
void
palettes_free ()
{
palette_free_palettes ();
}
void
palette_get_foreground (unsigned char *r,
unsigned char *g,
unsigned char *b)
{
*r = foreground[0];
*g = foreground[1];
*b = foreground[2];
}
void
palette_get_background (unsigned char *r,
unsigned char *g,
unsigned char *b)
{
*r = background[0];
*g = background[1];
*b = background[2];
}
void
palette_set_foreground (int r,
int g,
int b)
{
unsigned char rr, gg, bb;
/* Foreground */
foreground[0] = r;
foreground[1] = g;
foreground[2] = b;
palette_get_foreground (&rr, &gg, &bb);
if (no_interface == FALSE)
{
store_color (&foreground_pixel, rr, gg, bb);
color_area_update ();
device_status_update (current_device);
}
}
void
palette_set_background (int r,
int g,
int b)
{
unsigned char rr, gg, bb;
/* Background */
background[0] = r;
background[1] = g;
background[2] = b;
palette_get_background (&rr, &gg, &bb);
if (no_interface == FALSE)
{
store_color (&background_pixel, rr, gg, bb);
color_area_update ();
}
}
void
palette_set_default_colors (void)
{
palette_set_foreground (0, 0, 0);
palette_set_background (255, 255, 255);
}
void
palette_swap_colors (void)
{
unsigned char fg_r, fg_g, fg_b;
unsigned char bg_r, bg_g, bg_b;
palette_get_foreground (&fg_r, &fg_g, &fg_b);
palette_get_background (&bg_r, &bg_g, &bg_b);
palette_set_foreground (bg_r, bg_g, bg_b);
palette_set_background (fg_r, fg_g, fg_b);
}
void
palette_init_palettes (int no_data)
{
if(!no_data)
datafiles_read_directories (palette_path, palette_entries_load, 0);
}
static void
palette_select2_set_text_all(PaletteEntriesP entries)
{
gint pos = 0;
char *num_buf;
GSList *plist;
PaletteP pp;
PaletteEntriesP p_entries = NULL;
gchar * num_copy;
plist = palette_entries_list;
while (plist)
{
p_entries = (PaletteEntriesP) plist->data;
plist = g_slist_next (plist);
if (p_entries == entries)
break;
pos++;
}
if(p_entries == NULL)
return; /* This is actually and error */
num_buf = g_strdup_printf("%d",p_entries->n_colors);;
num_copy = g_strdup(num_buf);
pp = top_level_palette;
gtk_clist_set_text(GTK_CLIST(pp->clist),pos,1,num_copy);
redraw_palette(pp);
}
static void
palette_select2_refresh_all()
{
PaletteP pp;
if(!top_level_palette)
return;
pp = top_level_palette;
gtk_clist_freeze(GTK_CLIST(pp->clist));
gtk_clist_clear(GTK_CLIST(pp->clist));
palette_clist_init(pp->clist,pp->shell,pp->gc);
gtk_clist_thaw(GTK_CLIST(pp->clist));
pp->entries = palette_entries_list->data;
redraw_palette(pp);
palette_scroll_clist_to_current(pp);
}
static void
palette_select2_clist_insert_all(PaletteEntriesP p_entries)
{
PaletteEntriesP chk_entries;
PaletteP pp;
GSList *plist;
gint pos = 0;
plist = palette_entries_list;
while (plist)
{
chk_entries = (PaletteEntriesP) plist->data;
plist = g_slist_next (plist);
/* to make sure we get something! */
if (chk_entries == NULL)
{
return;
}
if (strcmp(p_entries->name, chk_entries->name) == 0)
break;
pos++;
}
pp = top_level_palette;
gtk_clist_freeze(GTK_CLIST(pp->clist));
palette_insert_clist(pp->clist,pp->shell,pp->gc,p_entries,pos);
gtk_clist_thaw(GTK_CLIST(pp->clist));
/* if(gradient_select_dialog) */
/* { */
/* gtk_clist_set_text(GTK_CLIST(gradient_select_dialog->clist),n,1,grad->name); */
/* } */
}
static void
palette_save_palettes()
{
GSList *list;
PaletteEntriesP entries;
list = palette_entries_list;
while (list)
{
entries = (PaletteEntriesP) list->data;
/* If the palette has been changed, save it, if possible */
if (entries->changed)
/* save the palette */
palette_entries_save (entries, entries->filename);
list = g_slist_next (list);
}
}
static void
palette_save_palettes_callback(GtkWidget *w,
gpointer client_data)
{
palette_save_palettes();
}
static void
palette_entry_free (PaletteEntryP entry)
{
if (entry->name)
g_free (entry->name);
g_free (entry);
}
void
palette_free ()
{
if (top_level_edit_palette)
{
if(import_dialog)
{
gtk_widget_destroy(import_dialog->dialog);
g_free(import_dialog);
import_dialog = NULL;
}
gdk_gc_destroy (top_level_edit_palette->gc);
if (top_level_edit_palette->color_select)
color_select_free (top_level_edit_palette->color_select);
g_free (top_level_edit_palette);
top_level_edit_palette = NULL;
}
if(top_level_palette)
{
gdk_gc_destroy (top_level_palette->gc);
session_get_window_info (top_level_palette->shell, &palette_session_info);
top_level_palette = NULL;
}
}
static void
palette_entries_save (PaletteEntriesP palette,
char *filename)
{
FILE * fp;
GSList * list;
PaletteEntryP entry;
if (! filename)
return;
/* Open the requested file */
if (! (fp = fopen (filename, "wb")))
{
g_message (_("can't save palette \"%s\"\n"), filename);
return;
}
fprintf (fp, "GIMP Palette\n");
fprintf (fp, "# %s -- GIMP Palette file\n", palette->name);
list = palette->colors;
while (list)
{
entry = (PaletteEntryP) list->data;
fprintf (fp, "%d %d %d\t%s\n", entry->color[0], entry->color[1],
entry->color[2], entry->name);
list = g_slist_next (list);
}
/* Clean up */
fclose (fp);
}
static PaletteEntryP
palette_add_entry (PaletteEntriesP entries,
char *name,
int r,
int g,
int b)
{
PaletteEntryP entry;
if (entries)
{
entry = g_malloc (sizeof (_PaletteEntry));
entry->color[0] = r;
entry->color[1] = g;
entry->color[2] = b;
if (name)
entry->name = g_strdup (name);
else
entry->name = g_strdup (_("Untitled"));
entry->position = entries->n_colors;
entries->colors = g_slist_append (entries->colors, entry);
entries->n_colors += 1;
entries->changed = 1;
return entry;
}
return NULL;
}
static void
palette_change_color (int r,
int g,
int b,
int state)
{
if (top_level_edit_palette && top_level_edit_palette->entries)
{
switch (state)
{
case COLOR_NEW:
top_level_edit_palette->color = palette_add_entry (top_level_edit_palette->entries, _("Untitled"), r, g, b);
palette_update_small_preview(top_level_edit_palette);
redraw_palette(top_level_edit_palette);
break;
case COLOR_UPDATE_NEW:
top_level_edit_palette->color->color[0] = r;
top_level_edit_palette->color->color[1] = g;
top_level_edit_palette->color->color[2] = b;
palette_update_small_preview(top_level_edit_palette);
redraw_palette(top_level_edit_palette);
break;
default:
break;
}
}
if (active_color == FOREGROUND)
palette_set_foreground (r, g, b);
else if (active_color == BACKGROUND)
palette_set_background (r, g, b);
}
void
palette_set_active_color (int r,
int g,
int b,
int state)
{
palette_change_color (r, g, b, state);
}
static void
palette_entries_load (char *filename)
{
PaletteEntriesP entries;
char str[512];
char *tok;
FILE *fp;
int r, g, b;
int linenum;
GSList *list;
gint pos = 0;
PaletteEntriesP p_entries = NULL;
r = g = b = 0;
entries = (PaletteEntriesP) g_malloc (sizeof (_PaletteEntries));
entries->filename = g_strdup (filename);
entries->name = g_strdup (g_basename (filename));
entries->colors = NULL;
entries->n_colors = 0;
entries->pixmap = NULL;
/* Open the requested file */
if (!(fp = fopen (filename, "rb")))
{
palette_entries_free (entries);
g_warning (_("failed to open palette file %s: can't happen?"), filename);
return;
}
linenum = 0;
fread (str, 13, 1, fp);
str[13] = '\0';
linenum++;
if (strcmp (str, "GIMP Palette\n"))
{
/* bad magic, but maybe it has \r\n at the end of lines? */
if (!strcmp (str, "GIMP Palette\r"))
g_message (_("Loading palette %s:\nCorrupt palette: missing magic header\nDoes this file need converting from DOS?"), filename);
else
g_message (_("Loading palette %s:\nCorrupt palette: missing magic header"), filename);
fclose (fp);
palette_entries_free (entries);
return;
}
while (!feof (fp))
{
if (!fgets (str, 512, fp))
{
if (feof (fp))
break;
g_message (_("Loading palette %s (line %d):\nRead error"),
filename, linenum);
fclose (fp);
palette_entries_free (entries);
return;
}
linenum++;
if (str[0] != '#')
{
tok = strtok (str, " \t");
if (tok) {
r = atoi (tok);
} else {
g_message (_("Loading palette %s (line %d):\nMissing RED component"), filename, linenum);
/* maybe we should just abort? */
}
tok = strtok (NULL, " \t");
if (tok) {
g = atoi (tok);
} else {
g_message (_("Loading palette %s (line %d):\nMissing GREEN component"), filename, linenum);
}
tok = strtok (NULL, " \t");
if (tok) {
b = atoi (tok);
} else {
g_message (_("Loading palette %s (line %d):\nMissing BLUE component"), filename, linenum);
}
/* optional name */
tok = strtok (NULL, "\n");
if (r < 0 || r > 255 ||
g < 0 || g > 255 ||
b < 0 || b > 255)
g_message (_("Loading palette %s (line %d):\nRGB value out of range"), filename, linenum);
palette_add_entry (entries, tok, r, g, b);
} /* if */
} /* while */
/* Clean up */
fclose (fp);
entries->changed = 0;
list = palette_entries_list;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
/* to make sure we get something! */
if (p_entries == NULL)
{
p_entries = default_palette_entries;
}
if (strcmp(p_entries->name, entries->name) > 0)
break;
pos++;
}
palette_entries_list = palette_entries_insert_list (palette_entries_list, entries,pos);
/* Check if the current palette is the default one */
if (strcmp(default_palette, g_basename(filename)) == 0)
default_palette_entries = entries;
}
static PaletteP
new_top_palette(gint vert)
{
PaletteP p;
p = create_palette_dialog(vert);
palette_clist_init(p->clist,p->shell,p->gc);
return(p);
}
void
palette_select_palette_init(void)
{
/* Load them if they are not already loaded */
if(top_level_edit_palette == NULL)
{
top_level_edit_palette = new_top_palette(FALSE);
}
}
void
palette_create(void)
{
if(top_level_palette == NULL)
{
top_level_palette = new_top_palette(TRUE);
/* top_level_palette = palette_new_selection(_("Palette"),NULL); */
session_set_window_geometry (top_level_palette->shell, &palette_session_info, TRUE);
/* register this one only */
dialog_register(top_level_palette->shell);
gtk_widget_show(top_level_palette->shell);
palette_scroll_clist_to_current(top_level_palette);
}
else
{
if (!GTK_WIDGET_VISIBLE (top_level_palette->shell))
{
gtk_widget_show (top_level_palette->shell);
}
else
{
gdk_window_raise(top_level_palette->shell->window);
}
}
}
void
palette_create_edit(PaletteEntriesP entries)
{
PaletteP p;
if(top_level_edit_palette == NULL)
{
p = new_top_palette(FALSE);
gtk_widget_show(p->shell);
palette_draw_entries(p,-1,-1);
top_level_edit_palette = p;
}
else
{
if (!GTK_WIDGET_VISIBLE (top_level_edit_palette->shell))
{
gtk_widget_show (top_level_edit_palette->shell);
palette_draw_entries(top_level_edit_palette,-1,-1);
}
else
{
gdk_window_raise(top_level_edit_palette->shell->window);
}
}
if(entries != NULL)
{
top_level_edit_palette->entries = entries;
gtk_clist_unselect_all(GTK_CLIST(top_level_edit_palette->clist));
palette_scroll_clist_to_current(top_level_edit_palette);
}
}
static GSList *
palette_entries_insert_list (GSList * list,
PaletteEntriesP entries,
gint pos)
{
GSList *ret_list;
/* add it to the list */
num_palette_entries++;
ret_list = g_slist_insert(list, (void *) entries,pos);
return ret_list;
}
static void palette_update_small_preview(PaletteP palette)
{
GSList *list;
gint pos = 0;
PaletteEntriesP p_entries = NULL;
char *num_buf;
list = palette_entries_list;
pos = 0;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
/* to make sure we get something! */
if (p_entries == NULL)
{
p_entries = default_palette_entries;
}
if (p_entries == palette->entries)
break;
pos++;
}
num_buf = g_strdup_printf("%d",p_entries->n_colors);
palette_draw_small_preview(palette->gc,p_entries);
gtk_clist_set_text(GTK_CLIST(palette->clist),pos,1,num_buf);
}
static void
palette_delete_entry (GtkWidget *w,
gpointer client_data)
{
PaletteEntryP entry;
GSList *tmp_link;
PaletteP palette;
gint pos = 0;
palette = client_data;
if (palette && palette->entries && palette->color)
{
entry = palette->color;
palette->entries->colors = g_slist_remove (palette->entries->colors, entry);
palette->entries->n_colors--;
palette->entries->changed = 1;
pos = entry->position;
palette_entry_free (entry);
tmp_link = g_slist_nth (palette->entries->colors, pos);
if (tmp_link)
{
palette->color = tmp_link->data;
while (tmp_link)
{
entry = tmp_link->data;
tmp_link = tmp_link->next;
entry->position = pos++;
}
}
else
{
tmp_link = g_slist_nth (palette->entries->colors, pos - 1);
if (tmp_link)
palette->color = tmp_link->data;
}
if (palette->entries->n_colors == 0)
palette->color = palette_add_entry (palette->entries, _("Black"), 0, 0, 0);
palette_update_small_preview(palette);
palette_select_set_text_all(palette->entries);
palette_select2_set_text_all(palette->entries);
redraw_palette(palette);
}
}
static void
palette_new_callback (GtkWidget *w,
gpointer client_data)
{
PaletteP palette;
char *num_buf;
GSList *list;
gint pos = 0;
PaletteEntriesP p_entries = NULL;
palette = client_data;
if (palette && palette->entries)
{
if (active_color == FOREGROUND)
palette->color =
palette_add_entry (palette->entries, _("Untitled"),
foreground[0], foreground[1], foreground[2]);
else if (active_color == BACKGROUND)
palette->color =
palette_add_entry (palette->entries, _("Untitled"),
background[0], background[1], background[2]);
redraw_palette(palette);
list = palette_entries_list;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
/* to make sure we get something! */
if (p_entries == NULL)
{
p_entries = default_palette_entries;
}
if (p_entries == palette->entries)
break;
pos++;
}
num_buf = g_strdup_printf("%d",p_entries->n_colors);;
palette_draw_small_preview(palette->gc,p_entries);
gtk_clist_set_text(GTK_CLIST(palette->clist),pos,1,num_buf);
palette_select_set_text_all(palette->entries);
palette_select2_set_text_all(palette->entries);
}
}
static PaletteEntriesP
palette_create_entries(gpointer client_data,
gpointer call_data)
{
char *home;
char *palette_name;
char *local_path;
char *first_token;
char *token;
char *path;
PaletteEntriesP entries = NULL;
PaletteP palette;
GSList *list;
gint pos = 0;
PaletteEntriesP p_entries = NULL;
palette = client_data;
palette_name = (char *) call_data;
if (palette && palette_name)
{
entries = g_malloc (sizeof (_PaletteEntries));
if (palette_path)
{
/* Get the first path specified in the palette path list */
home = g_get_home_dir ();
local_path = g_strdup (palette_path);
first_token = local_path;
token = xstrsep(&first_token, G_SEARCHPATH_SEPARATOR_S);
if (token)
{
if (*token == '~')
{
if (home)
path = g_strdup_printf("%s%s", home, token + 1);
else
/* Just ignore the ~ if no HOME ??? */
path = g_strdup(token + 1);
}
else
{
path = g_strdup(token);
}
entries->filename = g_strdup_printf ("%s" G_DIR_SEPARATOR_S "%s",
path, palette_name);
g_free (path);
}
g_free (local_path);
}
else
entries->filename = NULL;
entries->name = palette_name; /* don't need to copy because this memory is ours */
entries->colors = NULL;
entries->n_colors = 0;
entries->changed = 1;
entries->pixmap = NULL;
/* Add into the clist */
list = palette_entries_list;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
/* to make sure we get something! */
if (p_entries == NULL)
{
p_entries = default_palette_entries;
}
if (strcmp(p_entries->name, entries->name) > 0)
break;
pos++;
}
palette_entries_list = palette_entries_insert_list (palette_entries_list, entries,pos);
palette_insert_clist(palette->clist,palette->shell,palette->gc,entries,pos);
palette->entries = entries;
palette_save_palettes();
}
return entries;
}
static void
palette_add_entries_callback (GtkWidget *w,
gpointer client_data,
gpointer call_data)
{
PaletteEntriesP entries;
entries = palette_create_entries(client_data,call_data);
/* Update other selectors on screen */
palette_select_clist_insert_all(entries);
palette_select2_clist_insert_all(entries);
palette_scroll_clist_to_current((PaletteP)client_data);
}
static void
palette_new_entries_callback (GtkWidget *w,
gpointer client_data)
{
query_string_box (_("New Palette"),
_("Enter a name for new palette"),
NULL,
NULL, NULL,
palette_add_entries_callback, client_data);
}
static void
redraw_zoom(PaletteP palette)
{
if(palette->zoom_factor > 4.0)
{
palette->zoom_factor = 4.0;
}
else if(palette->zoom_factor < 0.1)
{
palette->zoom_factor = 0.1;
}
palette->columns = COLUMNS;
redraw_palette(palette);
palette_scroll_top_left(palette);
}
static void
palette_zoomin(GtkWidget *w,
gpointer client_data)
{
PaletteP palette = client_data;
palette->zoom_factor += 0.1;
redraw_zoom(palette);
}
static void
palette_zoomout (GtkWidget *w,
gpointer client_data)
{
PaletteP palette = client_data;
palette->zoom_factor -= 0.1;
redraw_zoom(palette);
}
static void
palette_refresh(PaletteP palette)
{
if(palette)
{
if (default_palette_entries == palette->entries)
default_palette_entries = NULL;
palette->entries = NULL;
/* If a color selection dialog is up, hide it */
if (palette->color_select_active)
{
palette->color_select_active = 0;
color_select_hide (palette->color_select);
}
palette_free_palettes (); /* free palettes, don't save any modified versions */
palette_init_palettes (FALSE); /* reload palettes */
gtk_clist_freeze(GTK_CLIST(palette->clist));
gtk_clist_clear(GTK_CLIST(palette->clist));
palette_clist_init(palette->clist,palette->shell,palette->gc);
gtk_clist_thaw(GTK_CLIST(palette->clist));
if(palette->entries == NULL)
palette->entries = default_palette_entries;
if(palette->entries == NULL && palette_entries_list)
palette->entries = palette_entries_list->data;
redraw_palette(palette);
palette_scroll_clist_to_current(palette);
palette_select_refresh_all();
palette_select2_refresh_all();
}
else
{
palette_free_palettes ();
palette_init_palettes(FALSE);
}
}
static void
palette_refresh_callback (GtkWidget *w,
gpointer client_data)
{
palette_refresh(client_data);
}
/*****/
static void
palette_draw_small_preview(GdkGC *gc, PaletteEntriesP p_entry)
{
guchar rgb_buf[SM_PREVIEW_WIDTH*SM_PREVIEW_HEIGHT*3];
GSList *tmp_link;
gint index;
PaletteEntryP entry;
/*fill_clist_prev(p_entry,rgb_buf,48,16,0.0,1.0);*/
memset(rgb_buf,0x0,SM_PREVIEW_WIDTH*SM_PREVIEW_HEIGHT*3);
gdk_draw_rgb_image (p_entry->pixmap,
gc,
0,
0,
SM_PREVIEW_WIDTH,
SM_PREVIEW_HEIGHT,
GDK_RGB_DITHER_NORMAL,
rgb_buf,
SM_PREVIEW_WIDTH*3);
tmp_link = p_entry->colors;
index = 0;
while (tmp_link)
{
guchar cell[3*3*3];
int loop;
entry = tmp_link->data;
tmp_link = tmp_link->next;
for(loop = 0; loop < 27 ; loop+=3)
{
cell[0+loop] = entry->color[0];
cell[1+loop] = entry->color[1];
cell[2+loop] = entry->color[2];
}
gdk_draw_rgb_image (p_entry->pixmap,
gc,
1+(index%((SM_PREVIEW_WIDTH-2)/3))*3,
1+(index/((SM_PREVIEW_WIDTH-2)/3))*3,
3,
3,
GDK_RGB_DITHER_NORMAL,
cell,
3);
index++;
if(index >= (((SM_PREVIEW_WIDTH-2)*(SM_PREVIEW_HEIGHT-2))/9))
break;
}
}
static void
palette_select_callback (int r,
int g,
int b,
ColorSelectState state,
void *client_data)
{
PaletteP palette;
unsigned char * color;
GSList *list;
gint pos = 0;
PaletteEntriesP p_entries = NULL;
palette = client_data;
if (palette && palette->entries)
{
switch (state) {
case COLOR_SELECT_UPDATE:
break;
case COLOR_SELECT_OK:
if (palette->color)
{
color = palette->color->color;
color[0] = r;
color[1] = g;
color[2] = b;
/* Update either foreground or background colors */
if (active_color == FOREGROUND)
palette_set_foreground (r, g, b);
else if (active_color == BACKGROUND)
palette_set_background (r, g, b);
palette_draw_entries (palette,
palette->color->position/(palette->columns),
palette->color->position%(palette->columns));
palette_draw_small_preview(palette->gc,palette->entries);
/* Add into the clist */
list = palette_entries_list;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
/* to make sure we get something! */
if (p_entries == NULL)
{
p_entries = default_palette_entries;
}
if (p_entries == palette->entries)
break;
pos++;
}
gtk_clist_set_text(GTK_CLIST(palette->clist),pos,2,p_entries->name);
palette_select_set_text_all(palette->entries);
palette_select2_set_text_all(palette->entries);
}
/* Fallthrough */
case COLOR_SELECT_CANCEL:
color_select_hide (palette->color_select);
palette->color_select_active = 0;
}
}
}
static void
palette_scroll_clist_to_current(PaletteP palette)
{
GSList *list;
gint pos = 0;
PaletteEntriesP p_entries;
if(palette && palette->entries)
{
list = palette_entries_list;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
if (p_entries == palette->entries)
break;
pos++;
}
gtk_clist_unselect_all(GTK_CLIST(palette->clist));
gtk_clist_select_row(GTK_CLIST(palette->clist),pos,-1);
gtk_clist_moveto(GTK_CLIST(palette->clist),pos,0,0.0,0.0);
}
}
static void
palette_delete_entries_callback (GtkWidget *w,
gpointer client_data)
{
PaletteP palette;
PaletteEntriesP entries;
palette = client_data;
if (palette && palette->entries)
{
entries = palette->entries;
if (entries && entries->filename)
palette_entries_delete (entries->filename);
palette_entries_list = g_slist_remove(palette_entries_list,entries);
palette_refresh(palette);
}
}
static void
palette_close_callback (GtkWidget *w,
gpointer client_data)
{
PaletteP palette;
palette = client_data;
if (palette)
{
if (palette->color_select_active)
{
palette->color_select_active = 0;
color_select_hide (palette->color_select);
}
if(import_dialog)
{
gtk_widget_destroy(import_dialog->dialog);
g_free(import_dialog);
import_dialog = NULL;
}
if (GTK_WIDGET_VISIBLE (palette->shell))
gtk_widget_hide (palette->shell);
}
}
static gint
palette_dialog_delete_callback (GtkWidget *w,
GdkEvent *e,
gpointer client_data)
{
palette_close_callback (w, client_data);
return TRUE;
}
static void
color_name_entry_changed (GtkWidget *widget, gpointer pdata)
{
PaletteP palette;
palette = pdata;
if(palette->color->name)
g_free(palette->color->name);
palette->entries->changed = 1;
palette->color->name = g_strdup(gtk_entry_get_text(GTK_ENTRY (palette->color_name)));
}
static void
palette_edit_callback (GtkWidget * widget,
gpointer client_data)
{
PaletteP palette;
unsigned char *color;
palette = client_data;
if (palette && palette->entries && palette->color)
{
color = palette->color->color;
if (!palette->color_select)
{
palette->color_select = color_select_new (color[0], color[1], color[2],
palette_select_callback, palette,
FALSE);
palette->color_select_active = 1;
}
else
{
if (!palette->color_select_active)
{
color_select_show (palette->color_select);
palette->color_select_active = 1;
}
color_select_set_color (palette->color_select, color[0], color[1], color[2], 1);
}
}
}
static void
palette_popup_menu(PaletteP palette)
{
GtkWidget *menu;
GtkWidget *menu_items;
menu = gtk_menu_new();
menu_items = gtk_menu_item_new_with_label(_("Edit"));
gtk_menu_append(GTK_MENU (menu), menu_items);
gtk_signal_connect(GTK_OBJECT(menu_items), "activate",
GTK_SIGNAL_FUNC(palette_edit_callback), (gpointer)palette);
gtk_widget_show(menu_items);
menu_items = gtk_menu_item_new_with_label(_("New"));
gtk_menu_append(GTK_MENU (menu), menu_items);
gtk_signal_connect(GTK_OBJECT(menu_items), "activate",
GTK_SIGNAL_FUNC(palette_new_callback), (gpointer)palette);
gtk_widget_show(menu_items);
menu_items = gtk_menu_item_new_with_label(_("Delete"));
gtk_signal_connect(GTK_OBJECT(menu_items), "activate",
GTK_SIGNAL_FUNC(palette_delete_entry), (gpointer)palette);
gtk_menu_append(GTK_MENU (menu), menu_items);
gtk_widget_show(menu_items);
/* Do something interesting when the menuitem is selected */
/* gtk_signal_connect_object(GTK_OBJECT(menu_items), "activate", */
/* GTK_SIGNAL_FUNC(menuitem_response), (gpointer) g_strdup(buf)); */
palette->popup_menu = menu;
palette->popup_small_menu = menu = gtk_menu_new();
menu_items = gtk_menu_item_new_with_label(_("New"));
gtk_menu_append(GTK_MENU (menu), menu_items);
gtk_signal_connect(GTK_OBJECT(menu_items), "activate",
GTK_SIGNAL_FUNC(palette_new_callback), (gpointer)palette);
gtk_widget_show(menu_items);
}
static gint
palette_color_area_events (GtkWidget *widget,
GdkEvent *event,
PaletteP palette)
{
GdkEventButton *bevent;
GSList *tmp_link;
int r, g, b;
int width, height;
int entry_width;
int entry_height;
int row, col;
int pos;
switch (event->type)
{
case GDK_BUTTON_PRESS:
bevent = (GdkEventButton *) event;
width = palette->color_area->requisition.width;
height = palette->color_area->requisition.height;
entry_width = (ENTRY_WIDTH*palette->zoom_factor)+SPACING;
entry_height = (ENTRY_HEIGHT*palette->zoom_factor)+SPACING;
col = (bevent->x - 1) / entry_width;
row = (bevent->y - 1) / entry_height;
pos = row * palette->columns + col;
if ((bevent->button == 1 || bevent->button == 3) && palette->entries)
{
tmp_link = g_slist_nth (palette->entries->colors, pos);
if (tmp_link)
{
if(palette->color)
{
palette->freeze_update = TRUE;
palette_draw_entries(palette,-1,-1);
palette->freeze_update = FALSE;
}
palette->color = tmp_link->data;
/* Update either foreground or background colors */
r = palette->color->color[0];
g = palette->color->color[1];
b = palette->color->color[2];
if (active_color == FOREGROUND)
palette_set_foreground (r, g, b);
else if (active_color == BACKGROUND)
palette_set_background (r, g, b);
palette_draw_entries(palette,row,col);
/* Update the active color name */
gtk_entry_set_text (GTK_ENTRY (palette->color_name), palette->color->name);
gtk_widget_set_sensitive (palette->color_name, TRUE);
/* palette_update_current_entry (palette); */
if(bevent->button == 3)
{
/* Popup the edit menu */
gtk_menu_popup (GTK_MENU (palette->popup_menu), NULL, NULL,
NULL, NULL, 3, ((GdkEventButton *)event)->time);
}
}
else
{
if(bevent->button == 3)
{
/* Popup the small new menu */
gtk_menu_popup (GTK_MENU (palette->popup_small_menu), NULL, NULL,
NULL, NULL, 3, ((GdkEventButton *)event)->time);
}
}
}
break;
default:
break;
}
return FALSE;
}
void
palette_insert_clist(GtkWidget *clist,
GtkWidget *shell,
GdkGC *gc,
PaletteEntriesP p_entries,
gint pos)
{
gchar *string[3];
string[0] = NULL;
string[1] = g_strdup_printf("%d",p_entries->n_colors);
string[2] = p_entries->name;
gtk_clist_insert(GTK_CLIST(clist),pos,string);
g_free((void *)string[1]);
if(p_entries->pixmap == NULL)
p_entries->pixmap = gdk_pixmap_new(shell->window,
SM_PREVIEW_WIDTH,
SM_PREVIEW_HEIGHT,
gtk_widget_get_visual(shell)->depth);
palette_draw_small_preview(gc,p_entries);
gtk_clist_set_pixmap(GTK_CLIST(clist), pos, 0, p_entries->pixmap, NULL);
gtk_clist_set_row_data(GTK_CLIST(clist),pos,(gpointer)p_entries);
}
void
palette_clist_init(GtkWidget *clist,
GtkWidget *shell,
GdkGC *gc)
{
GSList *list;
PaletteEntriesP p_entries = NULL;
gint pos = 0;
list = palette_entries_list;
while (list)
{
p_entries = (PaletteEntriesP) list->data;
list = g_slist_next (list);
/* to make sure we get something! */
if (p_entries == NULL)
{
p_entries = default_palette_entries;
}
palette_insert_clist(clist,shell,gc,p_entries,pos);
pos++;
}
}
static int
palette_draw_color_row (unsigned char **colors,
gint ncolors,
gint y,
gint column_highlight,
unsigned char *buffer,
PaletteP palette)
{
unsigned char *p;
unsigned char bcolor;
int width, height;
int entry_width;
int entry_height;
int vsize;
int vspacing;
int i, j;
GtkWidget *preview;
if(!palette)
return -1;
preview = palette->color_area;
bcolor = 0;
width = preview->requisition.width;
height = preview->requisition.height;
entry_width = (ENTRY_WIDTH*palette->zoom_factor);
entry_height = (ENTRY_HEIGHT*palette->zoom_factor);
if ((y >= 0) && ((y + SPACING) < height))
vspacing = SPACING;
else if (y < 0)
vspacing = SPACING + y;
else
vspacing = height - y;
if (vspacing > 0)
{
if (y < 0)
y += SPACING - vspacing;
for (i = SPACING - vspacing; i < SPACING; i++, y++)
{
p = buffer;
for (j = 0; j < width; j++)
{
*p++ = bcolor;
*p++ = bcolor;
*p++ = bcolor;
}
if(column_highlight >= 0)
{
guchar *ph = &buffer[3*column_highlight*(entry_width+SPACING)];
for(j = 0 ; j <= entry_width + SPACING; j++)
{
*ph++ = ~bcolor;
*ph++ = ~bcolor;
*ph++ = ~bcolor;
}
gtk_preview_draw_row (GTK_PREVIEW (preview), buffer, 0, y+entry_height+1, width);
}
gtk_preview_draw_row (GTK_PREVIEW (preview), buffer, 0, y, width);
}
if (y > SPACING)
y += SPACING - vspacing;
}
else
y += SPACING;
vsize = (y >= 0) ? (entry_height) : (entry_height + y);
if ((y >= 0) && ((y + entry_height) < height))
vsize = entry_height;
else if (y < 0)
vsize = entry_height + y;
else
vsize = height - y;
if (vsize > 0)
{
p = buffer;
for (i = 0; i < ncolors; i++)
{
for (j = 0; j < SPACING; j++)
{
*p++ = bcolor;
*p++ = bcolor;
*p++ = bcolor;
}
for (j = 0; j < entry_width; j++)
{
*p++ = colors[i][0];
*p++ = colors[i][1];
*p++ = colors[i][2];
}
}
for (i = 0; i < (palette->columns - ncolors); i++)
{
for (j = 0; j < (SPACING + entry_width); j++)
{
*p++ = 0;
*p++ = 0;
*p++ = 0;
}
}
for (j = 0; j < SPACING; j++)
{
if(ncolors == column_highlight)
{
*p++ = ~bcolor;
*p++ = ~bcolor;
*p++ = ~bcolor;
}
else
{
*p++ = bcolor;
*p++ = bcolor;
*p++ = bcolor;
}
}
if (y < 0)
y += entry_height - vsize;
for (i = 0; i < vsize; i++, y++)
{
if(column_highlight >= 0)
{
guchar *ph = &buffer[3*column_highlight*(entry_width+SPACING)];
*ph++ = ~bcolor;
*ph++ = ~bcolor;
*ph++ = ~bcolor;
ph += 3*(entry_width);
*ph++ = ~bcolor;
*ph++ = ~bcolor;
*ph++ = ~bcolor;
}
gtk_preview_draw_row (GTK_PREVIEW (preview), buffer, 0, y, width);
}
if (y > entry_height)
y += entry_height - vsize;
}
else
y += entry_height;
return y;
}
static void
palette_draw_entries (PaletteP palette,gint row_start, gint column_highlight)
{
PaletteEntryP entry;
unsigned char *buffer;
unsigned char **colors;
GSList *tmp_link;
int width, height;
int entry_width;
int entry_height;
int index, y;
if (palette && palette->entries)
{
width = palette->color_area->requisition.width;
height = palette->color_area->requisition.height;
entry_width = (ENTRY_WIDTH*palette->zoom_factor);
entry_height = (ENTRY_HEIGHT*palette->zoom_factor);
colors = g_malloc (sizeof(unsigned char *) * palette->columns * 3);
buffer = g_malloc (width * 3);
if(row_start < 0)
{
y = 0;
tmp_link = palette->entries->colors;
column_highlight = -1;
}
else
{
y = (entry_height+SPACING)*row_start;
tmp_link = g_slist_nth (palette->entries->colors, row_start*palette->columns);
}
index = 0;
while (tmp_link)
{
entry = tmp_link->data;
tmp_link = tmp_link->next;
colors[index] = entry->color;
index++;
if (index == palette->columns)
{
index = 0;
y = palette_draw_color_row (colors, palette->columns, y, column_highlight, buffer, palette);
if (y >= height || row_start >= 0)
{
/* This row only */
gtk_widget_draw (palette->color_area, NULL);
g_free (buffer);
g_free (colors);
return;
}
}
}
while (y < height)
{
y = palette_draw_color_row (colors, index, y, column_highlight, buffer, palette);
index = 0;
if(row_start >= 0)
break;
}
g_free (buffer);
g_free (colors);
if(palette->freeze_update == FALSE)
gtk_widget_draw (palette->color_area, NULL);
}
}
static void
palette_scroll_top_left(PaletteP palette)
{
GtkAdjustment *hadj;
GtkAdjustment *vadj;
/* scroll viewport to top left */
if(palette && palette->scrolled_window)
{
hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(palette->scrolled_window));
vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(palette->scrolled_window));
if(hadj)
gtk_adjustment_set_value(hadj,0.0);
if(vadj)
gtk_adjustment_set_value(vadj,0.0);
}
}
static void
redraw_palette(PaletteP palette)
{
gint vsize;
gint nrows;
gint n_entries;
GtkWidget *parent;
gint new_pre_width;
n_entries = palette->entries->n_colors;
nrows = n_entries / palette->columns;
if (n_entries % palette->columns)
nrows += 1;
vsize = nrows*(SPACING + (gint)(ENTRY_HEIGHT*palette->zoom_factor))+SPACING;
parent = palette->color_area->parent;
gtk_widget_ref(palette->color_area);
gtk_container_remove(GTK_CONTAINER(parent),palette->color_area);
new_pre_width = (gint)(ENTRY_WIDTH*palette->zoom_factor);
new_pre_width = (new_pre_width+SPACING)*palette->columns+SPACING;
gtk_preview_size(GTK_PREVIEW(palette->color_area),
new_pre_width, /*PREVIEW_WIDTH,*/
vsize);
gtk_container_add(GTK_CONTAINER(parent),palette->color_area);
gtk_widget_unref(palette->color_area);
palette_draw_entries(palette,-1,-1);
}
static void
palette_list_item_update(GtkWidget *widget,
gint row,
gint column,
GdkEventButton *event,
gpointer data)
{
PaletteP palette;
PaletteEntriesP p_entries;
palette = (PaletteP)data;
if (palette->color_select_active)
{
palette->color_select_active = 0;
color_select_hide (palette->color_select);
}
if(palette->color_select)
color_select_free(palette->color_select);
palette->color_select = NULL;
p_entries =
(PaletteEntriesP)gtk_clist_get_row_data(GTK_CLIST(palette->clist),row);
palette->entries = p_entries;
redraw_palette(palette);
palette_scroll_top_left(palette);
/* Stop errors in case no colours are selected */
gtk_signal_handler_block(GTK_OBJECT (palette->color_name),palette->entry_sig_id);
gtk_entry_set_text (GTK_ENTRY (palette->color_name), _("Undefined"));
gtk_widget_set_sensitive (palette->color_name, FALSE);
gtk_signal_handler_unblock(GTK_OBJECT (palette->color_name),palette->entry_sig_id);
}
static void
palette_edit_palette_callback (GtkWidget *w,
gpointer client_data)
{
PaletteEntriesP p_entries = NULL;
PaletteP palette = (PaletteP)client_data;
GList *sel_list;
sel_list = GTK_CLIST(palette->clist)->selection;
if(sel_list)
{
while (sel_list)
{
gint row;
row = GPOINTER_TO_INT (sel_list->data);
p_entries =
(PaletteEntriesP)gtk_clist_get_row_data(GTK_CLIST(palette->clist),row);
palette_create_edit(p_entries);
/* One only */
return;
}
}
}
PaletteP
create_palette_dialog (gint vert)
{
GtkWidget *palette_dialog;
GtkWidget *dialog_vbox3;
GtkWidget *hbox3;
GtkWidget *hbox4;
GtkWidget *hbox5;
GtkWidget *vbox4;
GtkWidget *palette_scrolledwindow;
GtkWidget *palette_region;
GtkWidget *color_name;
GtkWidget *alignment1;
GtkWidget *palette_list;
GtkWidget *frame1;
GtkWidget *vbuttonbox2;
GtkWidget *new_palette;
GtkWidget *delete_palette;
GtkWidget *save_palettes;
GtkWidget *import_palette;
GtkWidget *merge_palette;
GtkWidget *dialog_action_area3;
GtkWidget *alignment2;
GtkWidget *hbuttonbox3;
GtkWidget *close_button;
GtkWidget *refresh_button;
GtkWidget *clist_scrolledwindow;
PaletteP palette;
GdkColormap *colormap;
GtkWidget* button_plus;
GtkWidget* button_minus;
GtkWidget* pixmapwid;
GdkPixmap* pixmap;
GdkBitmap* mask;
GtkStyle* style;
palette = g_malloc (sizeof (_Palette));
palette->entries = default_palette_entries;
palette->color = NULL;
palette->color_select = NULL;
palette->color_select_active = 0;
palette->zoom_factor = 1.0;
palette->columns = COLUMNS;
palette->freeze_update = FALSE;
palette->shell = palette_dialog = gtk_dialog_new ();
gtk_window_set_wmclass (GTK_WINDOW (palette->shell), "color_palette", "Gimp");
if(!vert)
{
gtk_widget_set_usize (palette_dialog, 615, 200);
}
else
{
gtk_widget_set_usize (palette_dialog, 230, 300);
}
if(!vert)
{
gtk_window_set_title (GTK_WINDOW (palette_dialog), _("Color Palette Edit"));
}
else
{
gtk_window_set_title (GTK_WINDOW (palette_dialog), _("Color Palette"));
}
gtk_window_set_policy (GTK_WINDOW (palette_dialog), TRUE, TRUE, FALSE);
dialog_vbox3 = GTK_DIALOG (palette_dialog)->vbox;
gtk_object_set_data (GTK_OBJECT (palette_dialog), "dialog_vbox3", dialog_vbox3);
gtk_widget_show (dialog_vbox3);
if(vert)
{
hbox3 = gtk_notebook_new();
gtk_widget_show (hbox3);
gtk_box_pack_start (GTK_BOX (dialog_vbox3), hbox3, TRUE, TRUE, 0);
}
else
{
hbox3 = gtk_hbox_new (FALSE, 0);
gtk_widget_show (hbox3);
gtk_box_pack_start (GTK_BOX (dialog_vbox3), hbox3, TRUE, TRUE, 0);
}
vbox4 = gtk_vbox_new (FALSE, 0);
gtk_object_set_data (GTK_OBJECT (palette_dialog), "vbox4", vbox4);
gtk_widget_show (vbox4);
if(!vert)
{
gtk_box_pack_start (GTK_BOX (hbox3), vbox4, TRUE, TRUE, 0);
}
alignment1 = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_object_set_data (GTK_OBJECT (palette_dialog), "alignment1", alignment1);
gtk_widget_show (alignment1);
palette->scrolled_window =
palette_scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (palette_scrolledwindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_object_set_data (GTK_OBJECT (palette_dialog), "palette_scrolledwindow", palette_scrolledwindow);
gtk_widget_show (palette_scrolledwindow);
gtk_box_pack_start (GTK_BOX (vbox4), palette_scrolledwindow, TRUE, TRUE, 0);
palette->color_area = palette_region = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_set_dither (GTK_PREVIEW (palette->color_area),
GDK_RGB_DITHER_MAX);
gtk_preview_size (GTK_PREVIEW (palette_region), PREVIEW_WIDTH, PREVIEW_HEIGHT);
gtk_widget_set_events (palette_region, PALETTE_EVENT_MASK);
gtk_signal_connect (GTK_OBJECT (palette->color_area), "event",
(GtkSignalFunc) palette_color_area_events,
palette);
gtk_widget_show (palette_region);
gtk_container_add (GTK_CONTAINER (alignment1), palette_region);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (palette_scrolledwindow), alignment1);
hbox4 = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox4), hbox4, FALSE, FALSE, 0);
gtk_widget_show(hbox4);
palette->color_name = color_name = gtk_entry_new ();
gtk_widget_show (color_name);
gtk_box_pack_start (GTK_BOX (hbox4), color_name, TRUE, TRUE, 0);
gtk_entry_set_text (GTK_ENTRY (color_name), _("Undefined"));
palette->entry_sig_id = gtk_signal_connect (GTK_OBJECT (color_name), "changed",
GTK_SIGNAL_FUNC (color_name_entry_changed),
palette);
/* + and - buttons */
style = gtk_widget_get_style(palette_dialog);
gtk_widget_realize(palette_dialog);
button_plus = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (button_plus, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (button_plus), "clicked",
GTK_SIGNAL_FUNC (palette_zoomin), (gpointer) palette);
gtk_box_pack_start (GTK_BOX (hbox4), button_plus, FALSE, FALSE, 0);
button_minus = gtk_button_new ();
GTK_WIDGET_UNSET_FLAGS (button_minus, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (button_minus), "clicked",
GTK_SIGNAL_FUNC (palette_zoomout), (gpointer) palette);
gtk_box_pack_start (GTK_BOX (hbox4), button_minus, FALSE, FALSE, 0);
pixmap = gdk_pixmap_create_from_xpm_d(palette_dialog->window, &mask,
&style->bg[GTK_STATE_NORMAL],
zoom_in_xpm);
pixmapwid = gtk_pixmap_new(pixmap, mask);
gtk_container_add (GTK_CONTAINER (button_plus), pixmapwid);
gtk_widget_show (pixmapwid);
pixmap = gdk_pixmap_create_from_xpm_d(palette_dialog->window, &mask,
&style->bg[GTK_STATE_NORMAL],
zoom_out_xpm);
pixmapwid = gtk_pixmap_new(pixmap, mask);
gtk_container_add (GTK_CONTAINER (button_minus), pixmapwid);
gtk_widget_show (pixmapwid);
gtk_widget_show (button_plus);
gtk_widget_show (button_minus);
/* clist preview of palettes */
clist_scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
palette->clist = palette_list = gtk_clist_new (3);
gtk_object_set_data (GTK_OBJECT (palette_dialog), "palette_list", palette_list);
gtk_clist_set_row_height(GTK_CLIST(palette_list),SM_PREVIEW_HEIGHT+2);
gtk_signal_connect(GTK_OBJECT(palette->clist), "select_row",
GTK_SIGNAL_FUNC(palette_list_item_update),
(gpointer) palette);
if(vert)
{
gtk_widget_set_usize (palette_list, 203, 90);
gtk_notebook_append_page(GTK_NOTEBOOK(hbox3),
vbox4,
gtk_label_new("Palette"));
gtk_notebook_append_page(GTK_NOTEBOOK(hbox3),
clist_scrolledwindow,
gtk_label_new("Select"));
gtk_widget_show (palette_list);
}
else
{
gtk_container_add (GTK_CONTAINER (hbox3), clist_scrolledwindow);
gtk_widget_set_usize (palette_list, 203, -1);
gtk_widget_show (palette_list);
}
gtk_clist_set_column_title(GTK_CLIST(palette_list), 0, _("Palette"));
gtk_clist_set_column_title(GTK_CLIST(palette_list), 1, _("Ncols"));
gtk_clist_set_column_title(GTK_CLIST(palette_list), 2, _("Name"));
gtk_clist_column_titles_show(GTK_CLIST(palette_list));
gtk_container_add (GTK_CONTAINER (clist_scrolledwindow), GTK_WIDGET(palette->clist));
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (clist_scrolledwindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_ALWAYS);
if(!vert)
{
gtk_clist_set_selection_mode(GTK_CLIST(palette_list),GTK_SELECTION_EXTENDED);
}
gtk_widget_show(clist_scrolledwindow);
gtk_container_border_width (GTK_CONTAINER (palette_list), 4);
gtk_clist_set_column_width (GTK_CLIST (palette_list), 0, SM_PREVIEW_WIDTH+2);
gtk_clist_column_titles_show (GTK_CLIST (palette_list));
if(!vert)
{
frame1 = gtk_frame_new (_("Palette Ops"));
gtk_object_set_data (GTK_OBJECT (palette_dialog), "frame1", frame1);
gtk_widget_show (frame1);
gtk_box_pack_end (GTK_BOX (hbox3), frame1, FALSE, FALSE, 7);
vbuttonbox2 = gtk_vbutton_box_new ();
gtk_object_set_data (GTK_OBJECT (palette_dialog), "vbuttonbox2", vbuttonbox2);
gtk_widget_show (vbuttonbox2);
gtk_container_add (GTK_CONTAINER (frame1), vbuttonbox2);
gtk_container_border_width (GTK_CONTAINER (vbuttonbox2), 6);
gtk_button_box_set_layout (GTK_BUTTON_BOX (vbuttonbox2), GTK_BUTTONBOX_SPREAD);
gtk_button_box_set_spacing (GTK_BUTTON_BOX (vbuttonbox2), 0);
gtk_button_box_set_child_size (GTK_BUTTON_BOX (vbuttonbox2), 44, 22);
gtk_button_box_set_child_ipadding (GTK_BUTTON_BOX (vbuttonbox2), 17, 0);
new_palette = gtk_button_new_with_label (_("New"));
GTK_WIDGET_UNSET_FLAGS (new_palette, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (new_palette), "clicked",
(GtkSignalFunc) palette_new_entries_callback,
(gpointer) palette);
gtk_object_set_data (GTK_OBJECT (palette_dialog), "new_palette", new_palette);
gtk_widget_show (new_palette);
gtk_container_add (GTK_CONTAINER (vbuttonbox2), new_palette);
delete_palette = gtk_button_new_with_label (_("Delete"));
GTK_WIDGET_UNSET_FLAGS (delete_palette, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (delete_palette), "clicked",
(GtkSignalFunc) palette_delete_entries_callback,
(gpointer) palette);
gtk_widget_show (delete_palette);
gtk_container_add (GTK_CONTAINER (vbuttonbox2), delete_palette);
save_palettes = gtk_button_new_with_label (_("Save"));
GTK_WIDGET_UNSET_FLAGS (save_palettes, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (save_palettes), "clicked",
(GtkSignalFunc) palette_save_palettes_callback,
(gpointer) NULL);
gtk_widget_show (save_palettes);
gtk_container_add (GTK_CONTAINER (vbuttonbox2), save_palettes);
import_palette = gtk_button_new_with_label (_("Import"));
GTK_WIDGET_UNSET_FLAGS (import_palette, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (import_palette), "clicked",
(GtkSignalFunc) palette_import_dialog_callback,
(gpointer) palette);
gtk_widget_show (import_palette);
gtk_container_add (GTK_CONTAINER (vbuttonbox2), import_palette);
merge_palette = gtk_button_new_with_label (_("Merge"));
GTK_WIDGET_UNSET_FLAGS (merge_palette, GTK_RECEIVES_DEFAULT);
gtk_signal_connect (GTK_OBJECT (merge_palette), "clicked",
(GtkSignalFunc) palette_merge_dialog_callback,
(gpointer) palette);
gtk_widget_show (merge_palette);
gtk_container_add (GTK_CONTAINER (vbuttonbox2), merge_palette);
}
dialog_action_area3 = GTK_DIALOG (palette_dialog)->action_area;
gtk_object_set_data (GTK_OBJECT (palette_dialog), "dialog_action_area3", dialog_action_area3);
gtk_widget_show (dialog_action_area3);
gtk_container_border_width (GTK_CONTAINER (dialog_action_area3), 2);
alignment2 = gtk_alignment_new (0.5, 0.5, 1, 1);
gtk_object_set_data (GTK_OBJECT (palette_dialog), "alignment2", alignment2);
gtk_widget_show (alignment2);
gtk_box_pack_start (GTK_BOX (dialog_action_area3), alignment2, TRUE, TRUE, 0);
hbox5 = gtk_hbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (alignment2), hbox5);
gtk_widget_show (hbox5);
hbuttonbox3 = gtk_hbutton_box_new ();
gtk_object_set_data (GTK_OBJECT (palette_dialog), "hbuttonbox3", hbuttonbox3);
gtk_widget_show (hbuttonbox3);
gtk_box_pack_end (GTK_BOX(hbox5), hbuttonbox3, FALSE, FALSE, 0);
gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbuttonbox3), 4);
gtk_signal_connect (GTK_OBJECT (palette->shell), "delete_event",
GTK_SIGNAL_FUNC (palette_dialog_delete_callback),
palette);
close_button = gtk_button_new_with_label (_("Close"));
GTK_WIDGET_SET_FLAGS (close_button, GTK_CAN_DEFAULT);
gtk_window_set_default (GTK_WINDOW (palette->shell), close_button);
gtk_signal_connect(GTK_OBJECT(close_button), "clicked",
GTK_SIGNAL_FUNC(palette_close_callback), (gpointer)palette);
if(!vert)
{
refresh_button = gtk_button_new_with_label (_("Refresh"));
gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
GTK_SIGNAL_FUNC(palette_refresh_callback), (gpointer)palette);
}
else
{
refresh_button = gtk_button_new_with_label (_("Edit"));
gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
GTK_SIGNAL_FUNC(palette_edit_palette_callback), (gpointer)palette);
}
GTK_WIDGET_SET_FLAGS (refresh_button, GTK_CAN_DEFAULT);
gtk_container_add (GTK_CONTAINER (hbuttonbox3), refresh_button);
gtk_widget_show (refresh_button);
gtk_container_add (GTK_CONTAINER (hbuttonbox3), close_button);
gtk_widget_show (close_button);
gtk_widget_realize(palette->shell);
palette->gc = gdk_gc_new(palette->shell->window);
colormap = gtk_widget_get_colormap(palette->clist);
palette_popup_menu(palette);
return palette;
}
static void
import_dialog_select_grad_callback (GtkWidget *w,
gpointer client_data)
{
/* Popup grad edit box .... */
grad_create_gradient_editor();
}
static void
import_dialog_close_callback (GtkWidget *w,
gpointer client_data)
{
gtk_widget_destroy(import_dialog->dialog);
g_free(import_dialog);
import_dialog = NULL;
}
static void
import_palette_create_from_grad(gchar *name,PaletteP palette)
{
PaletteEntriesP entries;
if(curr_gradient)
{
/* Add names to entry */
double dx, cur_x;
double r, g, b, a;
extern void grad_get_color_at(double, double *, double *, double *, double *);
gint sample_sz;
gint loop;
entries = palette_create_entries(palette,name);
sample_sz = (gint)import_dialog->sample->value;
dx = 1.0/ (sample_sz - 1);
cur_x = 0;
for (loop = 0 ; loop < sample_sz; loop++)
{
grad_get_color_at(cur_x, &r, &g, &b, &a);
r = r * 255.0;
g = g * 255.0;
b = b * 255.0;
cur_x += dx;
palette_add_entry (palette->entries, _("Untitled"), (gint)r, (gint)g, (gint)b);
}
palette_update_small_preview(palette);
redraw_palette(palette);
/* Update other selectors on screen */
palette_select_clist_insert_all(entries);
palette_select2_clist_insert_all(entries);
palette_scroll_clist_to_current(palette);
}
}
static void
import_dialog_import_callback (GtkWidget *w,
gpointer client_data)
{
PaletteP palette;
palette = client_data;
if(import_dialog)
{
guchar *pname;
pname = gtk_entry_get_text(GTK_ENTRY(import_dialog->entry));
if(!pname || strlen(pname) == 0)
pname = g_strdup("tmp");
else
pname = g_strdup(pname);
switch(import_dialog->import_type)
{
case GRAD_IMPORT:
import_palette_create_from_grad(pname,palette);
break;
case IMAGE_IMPORT:
import_palette_create_from_image(import_dialog->gimage,pname,palette);
break;
default:
break;
}
import_dialog_close_callback(NULL,NULL);
}
}
static gint
import_dialog_delete_callback (GtkWidget *w,
GdkEvent *e,
gpointer client_data)
{
import_dialog_close_callback(w,client_data);
return TRUE;
}
static void
palette_merge_entries_callback (GtkWidget *w,
gpointer client_data,
gpointer call_data)
{
PaletteP palette;
PaletteEntriesP p_entries;
PaletteEntriesP new_entries;
GList *sel_list;
new_entries = palette_create_entries(client_data,call_data);
palette = (PaletteP)client_data;
sel_list = GTK_CLIST(palette->clist)->selection;
if(sel_list)
{
while (sel_list)
{
gint row;
GSList *cols;
row = GPOINTER_TO_INT (sel_list->data);
p_entries =
(PaletteEntriesP)gtk_clist_get_row_data(GTK_CLIST(palette->clist),row);
/* Go through each palette and merge the colours */
cols = p_entries->colors;
while(cols)
{
PaletteEntryP entry = cols->data;
palette_add_entry (new_entries,
g_strdup(entry->name),
entry->color[0],
entry->color[1],
entry->color[2]);
cols = cols->next;
}
sel_list = sel_list->next;
}
}
palette_update_small_preview(palette);
redraw_palette(palette);
gtk_clist_unselect_all(GTK_CLIST(palette->clist));
/* Update other selectors on screen */
palette_select_clist_insert_all(new_entries);
palette_select2_clist_insert_all(new_entries);
palette_scroll_clist_to_current(palette);
}
static void
palette_merge_dialog_callback (GtkWidget *w,
gpointer client_data)
{
query_string_box (_("Merge Palette"),
_("Enter a name for merged palette"),
NULL,
NULL, NULL,
palette_merge_entries_callback, client_data);
}
static void
palette_import_dialog_callback (GtkWidget *w,
gpointer client_data)
{
if(!import_dialog)
{
import_dialog = palette_import_dialog((PaletteP)client_data);
gtk_widget_show(import_dialog->dialog);
}
else
{
gdk_window_raise(import_dialog->dialog->window);
}
}
static void
palette_import_fill_grad_preview(GtkWidget *preview,
gradient_t *gradient)
{
guchar buffer[3*IMPORT_PREVIEW_WIDTH];
gint loop;
guchar *p = buffer;
double dx, cur_x;
double r, g, b, a;
extern void grad_get_color_at(double, double *, double *, double *, double *);
gradient_t *last_grad;
dx = 1.0/ (IMPORT_PREVIEW_WIDTH - 1);
cur_x = 0;
last_grad = curr_gradient;
curr_gradient = gradient;
for (loop = 0 ; loop < IMPORT_PREVIEW_WIDTH; loop++)
{
grad_get_color_at(cur_x, &r, &g, &b, &a);
*p++ = r * 255.0;
*p++ = g * 255.0;
*p++ = b * 255.0;
cur_x += dx;
}
curr_gradient = last_grad;
for (loop = 0 ; loop < IMPORT_PREVIEW_HEIGHT; loop++)
{
gtk_preview_draw_row (GTK_PREVIEW (preview), buffer, 0, loop, IMPORT_PREVIEW_WIDTH);
}
gtk_widget_draw (preview, NULL);
}
void import_palette_grad_update(gradient_t *grad)
{
if(import_dialog && import_dialog->import_type == GRAD_IMPORT)
{
/* redraw gradient */
palette_import_fill_grad_preview(import_dialog->preview,grad);
gtk_entry_set_text (GTK_ENTRY (import_dialog->entry), grad->name);
}
}
static void
import_grad_callback(GtkWidget *widget, gpointer data)
{
if(import_dialog)
{
import_dialog->import_type = GRAD_IMPORT;
if(import_dialog->image_list)
{
gtk_widget_hide(import_dialog->image_list);
gtk_widget_destroy(import_dialog->image_list);
import_dialog->image_list = NULL;
}
gtk_widget_show(import_dialog->select);
palette_import_fill_grad_preview(import_dialog->preview,curr_gradient);
gtk_entry_set_text (GTK_ENTRY (import_dialog->entry), curr_gradient->name);
gtk_widget_set_sensitive(import_dialog->threshold_scale,FALSE);
gtk_widget_set_sensitive(import_dialog->threshold_text,FALSE);
}
}
static void
gimlist_cb(gpointer im, gpointer data){
GSList** l=(GSList**)data;
*l=g_slist_prepend(*l, im);
}
static void
import_image_update_image_preview(GimpImage *gimage)
{
TempBuf * preview_buf;
gchar *src, *buf;
gint x,y,has_alpha;
gint sel_width, sel_height;
gint pwidth, pheight;
import_dialog->gimage = gimage;
/* Calculate preview size */
sel_width = gimage->width;
sel_height = gimage->height;
if (sel_width > sel_height) {
pwidth = MIN(sel_width, IMPORT_PREVIEW_WIDTH);
pheight = sel_height * pwidth / sel_width;
} else {
pheight = MIN(sel_height, IMPORT_PREVIEW_HEIGHT);
pwidth = sel_width * pheight / sel_height;
}
/* Min size is 2 */
preview_buf = gimp_image_construct_composite_preview(gimage,
MAX(pwidth, 2),
MAX(pheight, 2));
gtk_preview_size(GTK_PREVIEW(import_dialog->preview),
preview_buf->width,
preview_buf->height);
buf = g_new (gchar, IMPORT_PREVIEW_WIDTH * 3);
src = (gchar *)temp_buf_data (preview_buf);
has_alpha = (preview_buf->bytes == 2 || preview_buf->bytes == 4);
for (y = 0; y <preview_buf->height ; y++)
{
if (preview_buf->bytes == (1+has_alpha))
for (x = 0; x < preview_buf->width; x++)
{
buf[x*3+0] = src[x];
buf[x*3+1] = src[x];
buf[x*3+2] = src[x];
}
else
for (x = 0; x < preview_buf->width; x++)
{
gint stride = 3 + has_alpha;
buf[x*3+0] = src[x*stride+0];
buf[x*3+1] = src[x*stride+1];
buf[x*3+2] = src[x*stride+2];
}
gtk_preview_draw_row (GTK_PREVIEW (import_dialog->preview), (guchar *)buf, 0, y, preview_buf->width);
src += preview_buf->width * preview_buf->bytes;
}
g_free(buf);
temp_buf_free(preview_buf);
gtk_widget_hide(import_dialog->preview);
gtk_widget_draw(import_dialog->preview, NULL);
gtk_widget_show(import_dialog->preview);
}
static void
import_image_sel_callback(GtkWidget *widget, gpointer data)
{
GimpImage *gimage;
gchar *lab;
gimage = GIMP_IMAGE(data);
import_image_update_image_preview(gimage);
lab = g_strdup_printf("%s-%d",
g_basename(gimage_filename(import_dialog->gimage)),
pdb_image_to_id (import_dialog->gimage));
gtk_entry_set_text (GTK_ENTRY (import_dialog->entry),lab);
}
static void
import_image_menu_add(GimpImage *gimage)
{
GtkWidget *menuitem;
gchar *lab = g_strdup_printf("%s-%d",
g_basename(gimage_filename(gimage)),
pdb_image_to_id (gimage));
menuitem = gtk_menu_item_new_with_label(lab);
gtk_widget_show (menuitem);
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
(GtkSignalFunc) import_image_sel_callback,
gimage);
gtk_menu_append (GTK_MENU (import_dialog->optionmenu1_menu), menuitem);
}
/* Last Param gives us control over what goes in the menu on a delete oper */
static void
import_image_menu_activate(gint redo,GimpImage * del_image)
{
GSList *list=NULL;
gint num_images;
GimpImage *last_img = NULL;
GimpImage *first_img = NULL;
gint act_num = -1;
gint count = 0;
gchar *lab;
if(import_dialog)
{
if(import_dialog->import_type == IMAGE_IMPORT)
{
if(!redo)
return;
else
{
if(import_dialog->image_list)
{
last_img = import_dialog->gimage;
gtk_widget_hide(import_dialog->image_list);
gtk_widget_destroy(import_dialog->image_list);
import_dialog->image_list = NULL;
}
}
}
import_dialog->import_type = IMAGE_IMPORT;
/* Get list of images */
gimage_foreach(gimlist_cb, &list);
num_images = g_slist_length (list);
if (num_images)
{
int i;
GtkWidget *optionmenu1;
GtkWidget *optionmenu1_menu;
import_dialog->image_list = optionmenu1 = gtk_option_menu_new ();
gtk_widget_set_usize (optionmenu1,IMPORT_PREVIEW_WIDTH,-1);
import_dialog->optionmenu1_menu = optionmenu1_menu = gtk_menu_new ();
for (i = 0; i < num_images; i++, list = g_slist_next (list))
{
if(GIMP_IMAGE(list->data) != del_image)
{
if(first_img == NULL)
first_img = GIMP_IMAGE(list->data);
import_image_menu_add(GIMP_IMAGE(list->data));
if(last_img == GIMP_IMAGE(list->data))
act_num = count;
else
count++;
}
}
gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu1), optionmenu1_menu);
gtk_widget_hide(import_dialog->select);
gtk_container_add(GTK_CONTAINER(import_dialog->select_area),optionmenu1);
if(last_img != NULL && last_img != del_image)
import_image_update_image_preview(last_img);
else if(first_img != NULL)
import_image_update_image_preview(first_img);
gtk_widget_show (optionmenu1);
/* reset to last one */
if(redo && act_num >= 0)
{
gchar *lab = g_strdup_printf("%s-%d",
g_basename(gimage_filename(import_dialog->gimage)),
pdb_image_to_id (import_dialog->gimage));
gtk_option_menu_set_history(GTK_OPTION_MENU(optionmenu1),act_num);
gtk_entry_set_text (GTK_ENTRY (import_dialog->entry),lab);
}
}
g_slist_free(list);
lab = g_strdup_printf("%s-%d",
g_basename(gimage_filename(import_dialog->gimage)),
pdb_image_to_id (import_dialog->gimage));
gtk_entry_set_text (GTK_ENTRY (import_dialog->entry),lab);
}
}
static void
import_image_callback(GtkWidget *widget, gpointer data)
{
import_image_menu_activate(FALSE,NULL);
gtk_widget_set_sensitive(import_dialog->threshold_scale,TRUE);
gtk_widget_set_sensitive(import_dialog->threshold_text,TRUE);
}
static gint
image_count()
{
GSList *list=NULL;
gint num_images = 0;
gimage_foreach(gimlist_cb, &list);
num_images = g_slist_length (list);
g_slist_free(list);
return (num_images);
}
static ImportDialogP
palette_import_dialog(PaletteP palette)
{
GtkWidget *dialog1;
GtkWidget *dialog_vbox1;
GtkWidget *hbox2;
GtkWidget *import_frame;
GtkWidget *vbox2;
GtkWidget *table1;
GtkWidget *steps;
GtkWidget *import_name;
GtkWidget *import_type;
GtkWidget *spinbutton2;
GtkWidget *entry1;
GtkWidget *optionmenu1;
GtkWidget *optionmenu1_menu;
GtkWidget *menuitem;
GtkWidget *preview_frame;
GtkWidget *vbox1;
GtkWidget *image1;
GtkWidget *select;
GtkWidget *dialog_action_area1;
GtkWidget *hbox1;
GtkWidget *hscale1;
GtkWidget *import;
GtkWidget *close;
import_dialog = g_malloc(sizeof(struct _ImportDialog));
import_dialog->image_list = NULL;
import_dialog->gimage = NULL;
import_dialog->dialog = dialog1 = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW (dialog1), _("Import Palette"));
gtk_window_set_policy (GTK_WINDOW (dialog1), TRUE, TRUE, FALSE);
dialog_vbox1 = GTK_DIALOG (dialog1)->vbox;
gtk_widget_show (dialog_vbox1);
hbox2 = gtk_hbox_new (FALSE, 0);
gtk_widget_show (hbox2);
gtk_box_pack_start (GTK_BOX (dialog_vbox1), hbox2, FALSE, FALSE, 0);
import_frame = gtk_frame_new (_("Import"));
gtk_widget_show (import_frame);
gtk_box_pack_start (GTK_BOX (hbox2), import_frame, TRUE, TRUE, 0);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox2);
gtk_container_add (GTK_CONTAINER (import_frame), vbox2);
table1 = gtk_table_new (4, 2, FALSE);
gtk_widget_show (table1);
gtk_box_pack_start (GTK_BOX (vbox2), table1, TRUE, TRUE, 0);
steps = gtk_label_new (_("Sample Size:"));
gtk_widget_show (steps);
gtk_table_attach (GTK_TABLE (table1), steps, 0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND, 0, 0);
gtk_label_set_justify (GTK_LABEL (steps), GTK_JUSTIFY_LEFT);
import_dialog->threshold_text =
steps = gtk_label_new (_("Interval:"));
gtk_widget_show (steps);
gtk_table_attach (GTK_TABLE (table1), steps, 0, 1, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND, 0, 0);
gtk_label_set_justify (GTK_LABEL (steps), GTK_JUSTIFY_LEFT);
gtk_widget_set_sensitive(steps,FALSE);
import_name = gtk_label_new (_("Name:"));
gtk_widget_show (import_name);
gtk_table_attach (GTK_TABLE (table1), import_name, 0, 1, 0, 1,
GTK_EXPAND | GTK_FILL, GTK_EXPAND, 0, 0);
gtk_label_set_justify (GTK_LABEL (import_name), GTK_JUSTIFY_LEFT);
import_type = gtk_label_new (_("Source:"));
gtk_widget_show (import_type);
gtk_table_attach (GTK_TABLE (table1), import_type, 0, 1, 1, 2,
GTK_EXPAND | GTK_FILL, GTK_EXPAND, 0, 0);
gtk_label_set_justify (GTK_LABEL (import_type), GTK_JUSTIFY_LEFT);
import_dialog->sample = GTK_ADJUSTMENT(gtk_adjustment_new (256, 2, 10000, 1, 10, 10));
spinbutton2 = gtk_spin_button_new (import_dialog->sample, 1, 0);
gtk_widget_show (spinbutton2);
gtk_table_attach (GTK_TABLE (table1), spinbutton2, 1, 2, 2, 3,
GTK_EXPAND | GTK_FILL, GTK_EXPAND, 0, 0);
import_dialog->threshold_scale =
hscale1 =
gtk_hscale_new (import_dialog->threshold =
GTK_ADJUSTMENT (gtk_adjustment_new (1, 1, 128, 1, 1, 1)));
gtk_scale_set_value_pos (GTK_SCALE (hscale1), GTK_POS_TOP);
gtk_scale_set_digits (GTK_SCALE (hscale1), 0);
gtk_widget_show (hscale1);
gtk_table_attach (GTK_TABLE (table1), hscale1, 1, 2, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND, 0, 0);
gtk_widget_set_sensitive(hscale1,FALSE);
import_dialog->entry = entry1 = gtk_entry_new ();
gtk_widget_show (entry1);
gtk_table_attach (GTK_TABLE (table1), entry1, 1, 2, 0, 1,
GTK_FILL, 0, 0, 0);
/* gtk_widget_set_usize (entry1, 100, -1); */
gtk_entry_set_text (GTK_ENTRY (entry1), (curr_gradient)?curr_gradient->name:_("new_import"));
import_dialog->type_option = optionmenu1 = gtk_option_menu_new ();
gtk_widget_show (optionmenu1);
gtk_table_attach (GTK_TABLE (table1), optionmenu1, 1, 2, 1, 2,
GTK_FILL, 0, 0, 0);
optionmenu1_menu = gtk_menu_new ();
import_dialog->image_menu_item_gradient =
menuitem = gtk_menu_item_new_with_label (_("Gradient"));
gtk_widget_show (menuitem);
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
(GtkSignalFunc) import_grad_callback,
NULL);
gtk_menu_append (GTK_MENU (optionmenu1_menu), menuitem);
import_dialog->image_menu_item_image = menuitem = gtk_menu_item_new_with_label ("Image");
gtk_widget_show (menuitem);
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
(GtkSignalFunc) import_image_callback,
(gpointer)import_dialog);
gtk_menu_append (GTK_MENU (optionmenu1_menu), menuitem);
gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu1), optionmenu1_menu);
gtk_widget_set_sensitive(menuitem,image_count() > 0);
preview_frame = gtk_frame_new (_("Preview"));
gtk_widget_show (preview_frame);
gtk_box_pack_start (GTK_BOX (hbox2), preview_frame, TRUE, TRUE, 0);
import_dialog->select_area = vbox1 = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox1);
gtk_container_add (GTK_CONTAINER (preview_frame), vbox1);
import_dialog->preview = image1 = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_set_dither (GTK_PREVIEW (image1),
GDK_RGB_DITHER_MAX);
gtk_preview_size (GTK_PREVIEW (image1), IMPORT_PREVIEW_WIDTH, IMPORT_PREVIEW_HEIGHT);
gtk_widget_show (image1);
gtk_widget_set_usize (image1,IMPORT_PREVIEW_WIDTH, IMPORT_PREVIEW_HEIGHT);
gtk_box_pack_start (GTK_BOX (vbox1), image1, FALSE, FALSE, 0);
import_dialog->select = select = gtk_button_new_with_label (_("select"));
gtk_signal_connect(GTK_OBJECT(select), "clicked",
GTK_SIGNAL_FUNC(import_dialog_select_grad_callback),(gpointer)image1);
gtk_widget_show (select);
gtk_box_pack_start (GTK_BOX (vbox1), select, FALSE, FALSE, 0);
dialog_action_area1 = GTK_DIALOG (dialog1)->action_area;
gtk_container_border_width (GTK_CONTAINER (dialog_action_area1), 2);
gtk_widget_show (dialog_action_area1);
hbox1 = gtk_hbox_new (FALSE, 0);
gtk_widget_show (hbox1);
gtk_box_pack_start (GTK_BOX (dialog_action_area1), hbox1, TRUE, TRUE, 0);
import = gtk_button_new_with_label (_("import"));
gtk_widget_show (import);
gtk_signal_connect(GTK_OBJECT(import), "clicked",
GTK_SIGNAL_FUNC(import_dialog_import_callback),(gpointer)palette);
gtk_container_border_width (GTK_CONTAINER (import), 4);
gtk_box_pack_end (GTK_BOX (hbox1), import, FALSE, FALSE, 0);
close = gtk_button_new_with_label (_("close"));
gtk_signal_connect(GTK_OBJECT(close), "clicked",
GTK_SIGNAL_FUNC(import_dialog_close_callback),(gpointer)NULL);
gtk_widget_show (close);
gtk_box_pack_start (GTK_BOX (hbox1), close, FALSE, FALSE, 0);
GTK_WIDGET_SET_FLAGS (close, GTK_CAN_DEFAULT);
gtk_widget_grab_default (close);
gtk_signal_connect (GTK_OBJECT (dialog1), "delete_event",
GTK_SIGNAL_FUNC (import_dialog_delete_callback),
(gpointer)palette);
/* Fill with the selected gradient */
palette_import_fill_grad_preview(image1,curr_gradient);
import_dialog->import_type = GRAD_IMPORT;
return import_dialog;
}
/* Stuff to keep dialog uptodate */
void
palette_import_image_new(GimpImage * gimage)
{
if(!import_dialog)
return;
if(!GTK_WIDGET_IS_SENSITIVE(import_dialog->image_menu_item_image))
{
gtk_widget_set_sensitive(import_dialog->image_menu_item_image,TRUE);
return;
}
/* Now fill in the names if image menu shown */
if(import_dialog->import_type == IMAGE_IMPORT)
{
import_image_menu_activate(TRUE,NULL);
}
}
void
palette_import_image_destroyed(GimpImage* gimage)
{
/* Now fill in the names if image menu shown */
if(!import_dialog)
return;
if(image_count() <= 1)
{
/* Back to gradient type */
gtk_option_menu_set_history(GTK_OPTION_MENU(import_dialog->type_option),0);
import_grad_callback(NULL,NULL);
if(import_dialog->image_menu_item_image)
gtk_widget_set_sensitive(import_dialog->image_menu_item_image,FALSE);
return;
}
if(import_dialog->import_type == IMAGE_IMPORT)
{
import_image_menu_activate(TRUE,gimage);
}
}
void
palette_import_image_renamed(GimpImage* gimage)
{
/* Now fill in the names if image menu shown */
if(import_dialog && import_dialog->import_type == IMAGE_IMPORT)
{
import_image_menu_activate(TRUE,NULL);
}
}
struct _img_colours {
guint count;
guint r_adj;
guint g_adj;
guint b_adj;
guchar r;
guchar g;
guchar b;
};
typedef struct _img_colours ImgColours, *ImgColoursP;
static int count_colour_entries = 0;
static void
create_storted_list(gpointer key,gpointer value,gpointer user_data)
{
GSList **sorted_list = (GSList**)user_data;
ImgColoursP colour_tab = (ImgColoursP)value;
*sorted_list = g_slist_prepend(*sorted_list,colour_tab);
}
static void
create_image_palette(gpointer data,gpointer user_data)
{
PaletteP palette = (PaletteP)user_data;
ImgColoursP colour_tab = (ImgColoursP)data;
gint sample_sz;
gchar *lab;
sample_sz = (gint)import_dialog->sample->value;
if(palette->entries->n_colors >= sample_sz)
return;
lab = g_strdup_printf("%s (occurs %u)",_("Untitled"),colour_tab->count);
/* Adjust the colours to the mean of the the sample */
palette_add_entry (palette->entries, lab,
(gint)colour_tab->r + (colour_tab->r_adj/colour_tab->count),
(gint)colour_tab->g + (colour_tab->g_adj/colour_tab->count),
(gint)colour_tab->b + (colour_tab->b_adj/colour_tab->count));
}
static gboolean
colour_print_remove(gpointer key,gpointer value,gpointer user_data)
{
g_free(value);
return TRUE;
}
static gint
sort_colours (gconstpointer a,gconstpointer b)
{
ImgColoursP s1 = (ImgColoursP) a;
ImgColoursP s2 = (ImgColoursP) b;
if(s1->count > s2->count)
return -1;
if(s1->count < s2->count)
return 1;
return 0;
}
static void
import_image_make_palette(GHashTable *h_array,guchar *name, PaletteP palette)
{
GSList * sorted_list = NULL;
PaletteEntriesP entries;
g_hash_table_foreach(h_array,create_storted_list,&sorted_list);
sorted_list = g_slist_sort(sorted_list,sort_colours);
entries = palette_create_entries(palette,name);
g_slist_foreach(sorted_list,create_image_palette,palette);
/* Free up used memory */
/* Note the same structure is on both the hash list and the sorted
* list. So only delete it once.
*/
g_hash_table_freeze(h_array);
g_hash_table_foreach_remove(h_array,colour_print_remove,NULL);
g_hash_table_thaw(h_array);
g_hash_table_destroy(h_array);
g_slist_free(sorted_list);
/* Redraw with new palette */
palette_update_small_preview(palette);
redraw_palette(palette);
/* Update other selectors on screen */
palette_select_clist_insert_all(entries);
palette_select2_clist_insert_all(entries);
palette_scroll_clist_to_current(palette);
}
static GHashTable *
store_colours(GHashTable *h_array,
guchar * colours,
guchar * colours_real,
gint sample_sz)
{
gpointer found_colour = NULL;
ImgColoursP new_colour;
guint key_colours = colours[0]*256*256+colours[1]*256+colours[2];
if(h_array == NULL)
{
h_array = g_hash_table_new(g_direct_hash,g_direct_equal);
count_colour_entries = 0;
}
else
{
found_colour = g_hash_table_lookup(h_array,(gpointer)key_colours);
}
if(found_colour == NULL)
{
if(count_colour_entries > MAX_IMAGE_COLOURS)
{
/* Don't add any more new ones */
return h_array;
}
count_colour_entries++;
new_colour = g_new(ImgColours,1);
new_colour->count = 1;
new_colour->r_adj = 0;
new_colour->g_adj = 0;
new_colour->b_adj = 0;
new_colour->r = colours[0];
new_colour->g = colours[1];
new_colour->b = colours[2];
g_hash_table_insert(h_array,(gpointer)key_colours,new_colour);
}
else
{
new_colour = (ImgColoursP)found_colour;
if(new_colour->count < (G_MAXINT - 1))
new_colour->count++;
/* Now do the adjustments ...*/
new_colour->r_adj += (colours_real[0] - colours[0]);
new_colour->g_adj += (colours_real[1] - colours[1]);
new_colour->b_adj += (colours_real[2] - colours[2]);
/* Boundary conditions */
if(new_colour->r_adj > (G_MAXINT - 255))
new_colour->r_adj /= new_colour->count;
if(new_colour->g_adj > (G_MAXINT - 255))
new_colour->g_adj /= new_colour->count;
if(new_colour->b_adj > (G_MAXINT - 255))
new_colour->b_adj /= new_colour->count;
}
return h_array;
}
static void
import_palette_create_from_image (GImage *gimage,guchar *pname,PaletteP palette)
{
PixelRegion imagePR;
unsigned char *image_data;
unsigned char *idata;
guchar rgb[MAX_CHANNELS];
guchar rgb_real[MAX_CHANNELS];
int has_alpha, indexed;
int width, height;
int bytes, alpha;
int i, j;
void * pr;
int d_type;
GHashTable *store_array = NULL;
gint sample_sz;
gint threshold = 1;
sample_sz = (gint)import_dialog->sample->value;
if(gimage == NULL)
return;
/* Get the image information */
bytes = gimage_composite_bytes (gimage);
d_type = gimage_composite_type (gimage);
has_alpha = (d_type == RGBA_GIMAGE ||
d_type == GRAYA_GIMAGE ||
d_type == INDEXEDA_GIMAGE);
indexed = d_type == INDEXEDA_GIMAGE || d_type == INDEXED_GIMAGE;
width = gimage->width;
height = gimage->height;
pixel_region_init (&imagePR, gimage_composite (gimage), 0, 0, width, height, FALSE);
alpha = bytes - 1;
threshold = (gint)import_dialog->threshold->value;
if(threshold < 1)
threshold = 1;
/* iterate over the entire image */
for (pr = pixel_regions_register (1, &imagePR); pr != NULL; pr = pixel_regions_process (pr))
{
image_data = imagePR.data;
for (i = 0; i < imagePR.h; i++)
{
idata = image_data;
for (j = 0; j < imagePR.w; j++)
{
/* Get the rgb values for the color */
gimage_get_color (gimage, d_type, rgb, idata);
memcpy(rgb_real,rgb,MAX_CHANNELS); /* Structure copy */
rgb[0] = (rgb[0]/threshold)*threshold;
rgb[1] = (rgb[1]/threshold)*threshold;
rgb[2] = (rgb[2]/threshold)*threshold;
store_array = store_colours(store_array,rgb,rgb_real,sample_sz);
idata += bytes;
}
image_data += imagePR.rowstride;
}
}
/* Make palette from the store_array */
import_image_make_palette(store_array,pname,palette);
}
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