gimp/app/propgui/gimppropgui-newsprint.c

445 lines
14 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimppropgui-newsprint.c
* Copyright (C) 2019 Michael Natterer <mitch@gimp.org>
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "propgui-types.h"
#include "core/gimpcontext.h"
#include "gimppropgui.h"
#include "gimppropgui-generic.h"
#include "gimppropgui-newsprint.h"
#include "gimp-intl.h"
typedef enum
{
COLOR_MODEL_WHITE_ON_BLACK,
COLOR_MODEL_BLACK_ON_WHITE,
COLOR_MODEL_RGB,
COLOR_MODEL_CMYK,
N_COLOR_MODELS
} ColorModel;
typedef enum
{
PATTERN_LINE,
PATTERN_CIRCLE,
PATTERN_DIAMOND,
PATTERN_PSCIRCLE,
PATTERN_CROSS,
N_PATTERNS
} Pattern;
typedef struct _Newsprint Newsprint;
struct _Newsprint
{
GObject *config;
GtkWidget *notebook;
GtkWidget *pattern_check;
GtkWidget *period_check;
GtkWidget *angle_check;
};
/* local function prototypes */
static void newsprint_color_model_notify (GObject *config,
const GParamSpec *pspec,
GtkWidget *label);
static void newsprint_model_prop_notify (GObject *config,
const GParamSpec *pspec,
Newsprint *np);
static void newsprint_lock_patterns_toggled (GtkWidget *widget,
Newsprint *np);
static void newsprint_lock_periods_toggled (GtkWidget *widget,
Newsprint *np);
static void newsprint_lock_angles_toggled (GtkWidget *widget,
Newsprint *np);
static const gchar *label_strings[N_COLOR_MODELS][4] =
{
{ NULL, NULL, NULL, N_("White") },
{ NULL, NULL, NULL, N_("Black") },
{ N_("Red"), N_("Green"), N_("Blue"), NULL },
{ N_("Cyan"), N_("Magenta"), N_("Yellow"), N_("Black") }
};
static const gchar *pattern_props[] =
{
"pattern2",
"pattern3",
"pattern4",
"pattern"
};
static const gchar *period_props[] =
{
"period2",
"period3",
"period4",
"period"
};
static const gchar *angle_props[] =
{
"angle2",
"angle3",
"angle4",
"angle"
};
/* public functions */
GtkWidget *
_gimp_prop_gui_new_newsprint (GObject *config,
GParamSpec **param_specs,
guint n_param_specs,
GeglRectangle *area,
GimpContext *context,
GimpCreatePickerFunc create_picker_func,
GimpCreateControllerFunc create_controller_func,
gpointer creator)
{
Newsprint *np;
GtkWidget *main_vbox;
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *combo;
GtkWidget *labels[4];
GtkWidget *pages[4];
GtkWidget *check;
gint i;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (param_specs != NULL, NULL);
g_return_val_if_fail (n_param_specs > 0, NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
np = g_new0 (Newsprint, 1);
np->config = config;
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
g_object_set_data_full (G_OBJECT (main_vbox), "newsprint", np,
(GDestroyNotify) g_free);
frame = gimp_frame_new (_("Channels"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
combo = _gimp_prop_gui_new_generic (config,
param_specs + 0, 1,
area,
context,
create_picker_func,
create_controller_func,
creator);
gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
np->notebook = gtk_notebook_new ();
gtk_box_pack_start (GTK_BOX (vbox), np->notebook, FALSE, FALSE, 0);
gtk_widget_show (np->notebook);
for (i = 0; i < 4; i++)
{
GtkWidget *widget;
const gchar *unused;
gint remaining;
labels[i] = gtk_label_new (NULL);
pages[i] = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
g_object_set_data (G_OBJECT (labels[i]), "channel", GINT_TO_POINTER (i));
g_signal_connect_object (config, "notify::color-model",
G_CALLBACK (newsprint_color_model_notify),
G_OBJECT (labels[i]), 0);
newsprint_color_model_notify (config, NULL, labels[i]);
gtk_container_set_border_width (GTK_CONTAINER (pages[i]), 6);
gtk_notebook_append_page (GTK_NOTEBOOK (np->notebook),
pages[i], labels[i]);
widget = gimp_prop_widget_new_from_pspec (config,
param_specs[1 + 3 * i],
area, context,
create_picker_func,
create_controller_func,
creator, &unused);
gtk_box_pack_start (GTK_BOX (pages[i]), widget, FALSE, FALSE, 0);
gtk_widget_show (widget);
g_object_bind_property (G_OBJECT (widget), "visible",
G_OBJECT (pages[i]), "visible",
G_BINDING_SYNC_CREATE);
if (i == 3)
remaining = 3;
else
remaining = 2;
widget = _gimp_prop_gui_new_generic (config,
param_specs + 2 + 3 * i, remaining,
area, context,
create_picker_func,
create_controller_func,
creator);
gtk_box_pack_start (GTK_BOX (pages[i]), widget, FALSE, FALSE, 0);
gtk_widget_show (widget);
}
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
np->pattern_check = check =
gtk_check_button_new_with_mnemonic (_("_Lock patterns"));
gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, FALSE, 0);
gtk_widget_show (check);
g_signal_connect (check, "toggled",
G_CALLBACK (newsprint_lock_patterns_toggled),
np);
np->period_check = check =
gtk_check_button_new_with_mnemonic (_("Loc_k periods"));
gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, FALSE, 0);
gtk_widget_show (check);
g_signal_connect (check, "toggled",
G_CALLBACK (newsprint_lock_periods_toggled),
np);
np->angle_check = check =
gtk_check_button_new_with_mnemonic (_("Lock a_ngles"));
gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, FALSE, 0);
gtk_widget_show (check);
g_signal_connect (check, "toggled",
G_CALLBACK (newsprint_lock_angles_toggled),
np);
frame = gimp_frame_new (_("Quality"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = _gimp_prop_gui_new_generic (config,
param_specs + 14, 1,
area,
context,
create_picker_func,
create_controller_func,
creator);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
frame = gimp_frame_new (_("Effects"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = _gimp_prop_gui_new_generic (config,
param_specs + 15, 3,
area,
context,
create_picker_func,
create_controller_func,
creator);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
g_signal_connect (config, "notify",
G_CALLBACK (newsprint_model_prop_notify),
np);
return main_vbox;
}
/* private functions */
static void
newsprint_color_model_notify (GObject *config,
const GParamSpec *pspec,
GtkWidget *label)
{
ColorModel model;
gint channel;
g_object_get (config,
"color-model", &model,
NULL);
channel =
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (label), "channel"));
if (label_strings[model][channel])
gtk_label_set_text (GTK_LABEL (label),
gettext (label_strings[model][channel]));
}
static gboolean
newsprint_sync_model_props (Newsprint *np,
const GParamSpec *pspec,
const gchar **props,
gint n_props)
{
gint i;
for (i = 0; i < n_props; i++)
{
if (! strcmp (pspec->name, props[i]))
{
GValue value = G_VALUE_INIT;
gint j;
g_value_init (&value, pspec->value_type);
g_object_get_property (np->config, pspec->name, &value);
for (j = 0; j < n_props; j++)
{
if (i != j)
{
g_signal_handlers_block_by_func (np->config,
newsprint_model_prop_notify,
np);
g_object_set_property (np->config, props[j], &value);
g_signal_handlers_unblock_by_func (np->config,
newsprint_model_prop_notify,
np);
}
}
g_value_unset (&value);
return TRUE;
}
}
return FALSE;
}
static void
newsprint_model_prop_notify (GObject *config,
const GParamSpec *pspec,
Newsprint *np)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (np->pattern_check)) &&
newsprint_sync_model_props (np, pspec,
pattern_props, G_N_ELEMENTS (pattern_props)))
return;
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (np->period_check)) &&
newsprint_sync_model_props (np, pspec,
period_props, G_N_ELEMENTS (period_props)))
return;
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (np->angle_check)) &&
newsprint_sync_model_props (np, pspec,
angle_props, G_N_ELEMENTS (angle_props)))
return;
}
static void
newsprint_lock_patterns_toggled (GtkWidget *widget,
Newsprint *np)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
GParamSpec *pspec;
gint channel;
channel = gtk_notebook_get_current_page (GTK_NOTEBOOK (np->notebook));
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (np->config),
pattern_props[channel]);
newsprint_sync_model_props (np, pspec,
pattern_props, G_N_ELEMENTS (pattern_props));
}
}
static void
newsprint_lock_periods_toggled (GtkWidget *widget,
Newsprint *np)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
GParamSpec *pspec;
gint channel;
channel = gtk_notebook_get_current_page (GTK_NOTEBOOK (np->notebook));
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (np->config),
period_props[channel]);
newsprint_sync_model_props (np, pspec,
period_props, G_N_ELEMENTS (period_props));
}
}
static void
newsprint_lock_angles_toggled (GtkWidget *widget,
Newsprint *np)
{
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
GParamSpec *pspec;
gint channel;
channel = gtk_notebook_get_current_page (GTK_NOTEBOOK (np->notebook));
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (np->config),
angle_props[channel]);
newsprint_sync_model_props (np, pspec,
angle_props, G_N_ELEMENTS (angle_props));
}
}