gimp/plug-ins/gimpressionist/general.c

284 lines
11 KiB
C

/* GIMP - The GNU 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "gimpressionist.h"
#include "infile.h"
#include "general.h"
#include "libgimp/stdplugins-intl.h"
#define COLORBUTTONWIDTH 30
#define COLORBUTTONHEIGHT 20
#define NUMGENERALBGRADIO 4
static GtkWidget *general_bg_radio[NUMGENERALBGRADIO];
static GtkWidget *general_paint_edges = NULL;
static GtkObject *general_dark_edge_adjust = NULL;
static GtkWidget *general_tileable;
static GtkWidget *general_drop_shadow = NULL;
static GtkWidget *general_color_button;
static GtkObject *general_shadow_adjust = NULL;
static GtkObject *general_shadow_depth = NULL;
static GtkObject *general_shadow_blur = NULL;
static GtkObject *dev_thresh_adjust = NULL;
static int
normalize_bg (int n)
{
return (!img_has_alpha && (n == 3)) ? 1 : n;
}
static void
general_bg_callback (GtkWidget *wg, void *d)
{
pcvals.general_background_type = normalize_bg (GPOINTER_TO_INT (d));
}
void
general_store (void)
{
pcvals.general_paint_edges = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (general_paint_edges));
pcvals.general_dark_edge = gtk_adjustment_get_value (GTK_ADJUSTMENT (general_dark_edge_adjust));
pcvals.general_tileable = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (general_tileable));
pcvals.general_drop_shadow = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (general_drop_shadow));
pcvals.general_shadow_darkness = gtk_adjustment_get_value (GTK_ADJUSTMENT (general_shadow_adjust));
pcvals.general_shadow_depth = gtk_adjustment_get_value (GTK_ADJUSTMENT (general_shadow_depth));
pcvals.general_shadow_blur = gtk_adjustment_get_value (GTK_ADJUSTMENT (general_shadow_blur));
pcvals.devthresh = gtk_adjustment_get_value (GTK_ADJUSTMENT (dev_thresh_adjust));
}
int
general_bg_type_input (int in)
{
return CLAMP_UP_TO (in, NUMGENERALBGRADIO);
}
void
general_restore (void)
{
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (general_bg_radio[normalize_bg (pcvals.general_background_type)]),
TRUE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (general_paint_edges),
pcvals.general_paint_edges);
gtk_adjustment_set_value (GTK_ADJUSTMENT (general_dark_edge_adjust),
pcvals.general_dark_edge);
gtk_adjustment_set_value (GTK_ADJUSTMENT (general_shadow_adjust),
pcvals.general_shadow_darkness);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (general_drop_shadow),
pcvals.general_drop_shadow);
gtk_adjustment_set_value (GTK_ADJUSTMENT (general_shadow_depth),
pcvals.general_shadow_depth);
gtk_adjustment_set_value (GTK_ADJUSTMENT (general_shadow_blur),
pcvals.general_shadow_blur);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (general_tileable),
pcvals.general_tileable);
gimp_color_button_set_color (GIMP_COLOR_BUTTON (general_color_button),
&pcvals.color);
gtk_adjustment_set_value (GTK_ADJUSTMENT (dev_thresh_adjust),
pcvals.devthresh);
}
static void
select_color (GtkWidget *widget, gpointer data)
{
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (general_bg_radio[BG_TYPE_SOLID]),
TRUE);
}
static GtkWidget *
create_general_button (GtkWidget *box,
int idx,
const gchar *label,
const gchar *help_string,
GSList **radio_group)
{
return create_radio_button (box, idx, general_bg_callback, label,
help_string, radio_group, general_bg_radio);
}
void
create_generalpage (GtkNotebook *notebook)
{
GtkWidget *box1, *box2, *box3, *box4, *thispage;
GtkWidget *label, *tmpw, *frame, *table;
GSList * radio_group = NULL;
label = gtk_label_new_with_mnemonic (_("_General"));
thispage = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (thispage), 12);
gtk_widget_show (thispage);
frame = gimp_frame_new (_("Background"));
gtk_box_pack_start (GTK_BOX (thispage), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
box3 = gtk_vbox_new (FALSE, 6);
gtk_container_add (GTK_CONTAINER (frame), box3);
gtk_widget_show (box3);
create_general_button (box3,
BG_TYPE_KEEP_ORIGINAL,
_("Keep original"),
_("Preserve the original image as a background"),
&radio_group);
create_general_button (box3,
BG_TYPE_FROM_PAPER,
_("From paper"),
_("Copy the texture of the selected paper as a background"),
&radio_group);
box4 = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (box3), box4, FALSE, FALSE, 0);
gtk_widget_show (box4);
create_general_button (box4,
BG_TYPE_SOLID,
_("Solid"),
_("Solid colored background"),
&radio_group);
general_color_button = gimp_color_button_new (_("Color"),
COLORBUTTONWIDTH,
COLORBUTTONHEIGHT,
&pcvals.color,
GIMP_COLOR_AREA_FLAT);
g_signal_connect (general_color_button, "clicked",
G_CALLBACK (select_color), NULL);
g_signal_connect (general_color_button, "color-changed",
G_CALLBACK (gimp_color_button_get_color),
&pcvals.color);
gtk_box_pack_start (GTK_BOX (box4), general_color_button, FALSE, FALSE, 0);
gtk_widget_show (general_color_button);
tmpw = create_general_button (box3,
BG_TYPE_TRANSPARENT,
_("Transparent"),
_("Use a transparent background; Only the strokes painted will be visible"),
&radio_group);
if (!img_has_alpha)
gtk_widget_set_sensitive (tmpw, FALSE);
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (general_bg_radio[pcvals.general_background_type]), TRUE);
box1 = gtk_hbox_new (FALSE, 12);
gtk_box_pack_start (GTK_BOX (thispage), box1, FALSE, FALSE, 0);
gtk_widget_show (box1);
box2 = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, FALSE, 0);
gtk_widget_show (box2);
tmpw = gtk_check_button_new_with_label ( _("Paint edges"));
general_paint_edges = tmpw;
gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
gtk_widget_show (tmpw);
gimp_help_set_help_data (tmpw,
_("Selects if to place strokes all the way out to the edges of the image"),
NULL);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
pcvals.general_paint_edges);
general_tileable = tmpw = gtk_check_button_new_with_label ( _("Tileable"));
gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
gtk_widget_show (tmpw);
gimp_help_set_help_data (tmpw,
_("Selects if the resulting image should be seamlessly tileable"),
NULL);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
pcvals.general_tileable);
tmpw = gtk_check_button_new_with_label ( _("Drop shadow"));
general_drop_shadow = tmpw;
gtk_box_pack_start (GTK_BOX (box2), tmpw, FALSE, FALSE, 0);
gtk_widget_show (tmpw);
gimp_help_set_help_data (tmpw,
_("Adds a shadow effect to each brush stroke"),
NULL);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (tmpw),
pcvals.general_drop_shadow);
table = gtk_table_new (5, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_box_pack_start (GTK_BOX (box1), table, FALSE, FALSE, 0);
gtk_widget_show (table);
general_dark_edge_adjust =
gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("Edge darken:"),
150, 6, pcvals.general_dark_edge,
0.0, 1.0, 0.01, 0.1, 2,
TRUE, 0, 0,
_("How much to \"darken\" the edges of each brush stroke"),
NULL);
general_shadow_adjust =
gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
_("Shadow darken:"),
150, 6, pcvals.general_shadow_darkness,
0.0, 99.0, 0.1, 1, 2,
TRUE, 0, 0,
_("How much to \"darken\" the drop shadow"),
NULL);
general_shadow_depth =
gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
_("Shadow depth:"),
150, 6, pcvals.general_shadow_depth,
0, 99, 1, 5, 0,
TRUE, 0, 0,
_("The depth of the drop shadow, i.e. how far apart from the object it should be"),
NULL);
general_shadow_blur =
gimp_scale_entry_new (GTK_TABLE (table), 0, 3,
_("Shadow blur:"),
150, 6, pcvals.general_shadow_blur,
0, 99, 1, 5, 0,
TRUE, 0, 0,
_("How much to blur the drop shadow"),
NULL);
dev_thresh_adjust =
gimp_scale_entry_new (GTK_TABLE (table), 0, 4,
_("Deviation threshold:"),
150, 6, pcvals.devthresh,
0.0, 1.0, 0.01, 0.01, 2,
TRUE, 0, 0,
_("A bailout-value for adaptive selections"),
NULL);
gtk_notebook_append_page_menu (notebook, thispage, label, NULL);
}