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gimp/app/tools/gimpgradientoptions.c

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/* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimpdata.h"
#include "core/gimpdatafactory.h"
#include "core/gimp-gradients.h"
#include "widgets/gimppropwidgets.h"
#include "widgets/gimpviewablebox.h"
#include "widgets/gimpwidgets-utils.h"
#include "gimpgradientoptions.h"
#include "gimppaintoptions-gui.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_OFFSET,
PROP_GRADIENT_TYPE,
PROP_DISTANCE_METRIC,
PROP_SUPERSAMPLE,
PROP_SUPERSAMPLE_DEPTH,
PROP_SUPERSAMPLE_THRESHOLD,
PROP_DITHER,
PROP_INSTANT,
PROP_MODIFY_ACTIVE
};
static void gimp_gradient_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_gradient_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gradient_options_repeat_gradient_type_notify (GimpGradientOptions *options,
GParamSpec *pspec,
GtkWidget *repeat_combo);
static void gradient_options_metric_gradient_type_notify (GimpGradientOptions *options,
GParamSpec *pspec,
GtkWidget *repeat_combo);
G_DEFINE_TYPE (GimpGradientOptions, gimp_gradient_options,
GIMP_TYPE_PAINT_OPTIONS)
static void
gimp_gradient_options_class_init (GimpGradientOptionsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gimp_gradient_options_set_property;
object_class->get_property = gimp_gradient_options_get_property;
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_OFFSET,
"offset",
_("Offset"),
NULL,
0.0, 100.0, 0.0,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_ENUM (object_class, PROP_GRADIENT_TYPE,
"gradient-type",
_("Shape"),
NULL,
GIMP_TYPE_GRADIENT_TYPE,
GIMP_GRADIENT_LINEAR,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_ENUM (object_class, PROP_DISTANCE_METRIC,
"distance-metric",
_("Metric"),
_("Metric to use for the distance calculation"),
GEGL_TYPE_DISTANCE_METRIC,
GEGL_DISTANCE_METRIC_EUCLIDEAN,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SUPERSAMPLE,
"supersample",
_("Adaptive Supersampling"),
NULL,
FALSE,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_INT (object_class, PROP_SUPERSAMPLE_DEPTH,
"supersample-depth",
_("Max depth"),
NULL,
1, 9, 3,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_SUPERSAMPLE_THRESHOLD,
"supersample-threshold",
_("Threshold"),
NULL,
0.0, 4.0, 0.2,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DITHER,
"dither",
_("Dithering"),
NULL,
TRUE,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_INSTANT,
"instant",
_("Instant mode"),
_("Commit gradient instantly"),
FALSE,
GIMP_PARAM_STATIC_STRINGS);
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_MODIFY_ACTIVE,
"modify-active",
_("Modify active gradient"),
_("Modify the active gradient in-place"),
FALSE,
GIMP_PARAM_STATIC_STRINGS);
}
static void
gimp_gradient_options_init (GimpGradientOptions *options)
{
}
static void
gimp_gradient_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpGradientOptions *options = GIMP_GRADIENT_OPTIONS (object);
switch (property_id)
{
case PROP_OFFSET:
options->offset = g_value_get_double (value);
break;
case PROP_GRADIENT_TYPE:
options->gradient_type = g_value_get_enum (value);
break;
case PROP_DISTANCE_METRIC:
options->distance_metric = g_value_get_enum (value);
break;
case PROP_SUPERSAMPLE:
options->supersample = g_value_get_boolean (value);
break;
case PROP_SUPERSAMPLE_DEPTH:
options->supersample_depth = g_value_get_int (value);
break;
case PROP_SUPERSAMPLE_THRESHOLD:
options->supersample_threshold = g_value_get_double (value);
break;
case PROP_DITHER:
options->dither = g_value_get_boolean (value);
break;
case PROP_INSTANT:
options->instant = g_value_get_boolean (value);
break;
case PROP_MODIFY_ACTIVE:
options->modify_active = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_gradient_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpGradientOptions *options = GIMP_GRADIENT_OPTIONS (object);
switch (property_id)
{
case PROP_OFFSET:
g_value_set_double (value, options->offset);
break;
case PROP_GRADIENT_TYPE:
g_value_set_enum (value, options->gradient_type);
break;
case PROP_DISTANCE_METRIC:
g_value_set_enum (value, options->distance_metric);
break;
case PROP_SUPERSAMPLE:
g_value_set_boolean (value, options->supersample);
break;
case PROP_SUPERSAMPLE_DEPTH:
g_value_set_int (value, options->supersample_depth);
break;
case PROP_SUPERSAMPLE_THRESHOLD:
g_value_set_double (value, options->supersample_threshold);
break;
case PROP_DITHER:
g_value_set_boolean (value, options->dither);
break;
case PROP_INSTANT:
g_value_set_boolean (value, options->instant);
break;
case PROP_MODIFY_ACTIVE:
g_value_set_boolean (value, options->modify_active);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
GtkWidget *
gimp_gradient_options_gui (GimpToolOptions *tool_options)
{
GObject *config = G_OBJECT (tool_options);
GimpContext *context = GIMP_CONTEXT (tool_options);
GimpGradientOptions *options = GIMP_GRADIENT_OPTIONS (tool_options);
GtkWidget *vbox = gimp_paint_options_gui (tool_options);
GtkWidget *vbox2;
GtkWidget *frame;
GtkWidget *scale;
GtkWidget *combo;
GtkWidget *button;
GtkWidget *label;
gchar *str;
GdkModifierType extend_mask;
GimpGradient *gradient;
extend_mask = gimp_get_extend_selection_mask ();
/* the gradient */
button = gimp_prop_gradient_box_new (NULL, GIMP_CONTEXT (tool_options),
_("Gradient"), 2,
"gradient-view-type",
"gradient-view-size",
"gradient-reverse",
"gradient-blend-color-space",
"gimp-gradient-editor",
_("Edit this gradient"));
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
/* the blend color space */
combo = gimp_prop_enum_combo_box_new (config, "gradient-blend-color-space",
0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo),
_("Blend Color Space"));
g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
gtk_box_pack_start (GTK_BOX (vbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
/* the gradient type menu */
combo = gimp_prop_enum_combo_box_new (config, "gradient-type", 0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo), _("Shape"));
g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
gimp_enum_combo_box_set_icon_prefix (GIMP_ENUM_COMBO_BOX (combo),
"gimp-gradient");
gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
/* the distance metric menu */
combo = gimp_prop_enum_combo_box_new (config, "distance-metric", 0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo), _("Metric"));
g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
g_signal_connect (config, "notify::gradient-type",
G_CALLBACK (gradient_options_metric_gradient_type_notify),
combo);
gradient_options_metric_gradient_type_notify (options, NULL, combo);
/* the repeat option */
combo = gimp_prop_enum_combo_box_new (config, "gradient-repeat", 0, 0);
gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo), _("Repeat"));
g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
g_signal_connect (config, "notify::gradient-type",
G_CALLBACK (gradient_options_repeat_gradient_type_notify),
combo);
gradient_options_repeat_gradient_type_notify (options, NULL, combo);
/* the offset scale */
scale = gimp_prop_spin_scale_new (config, "offset", NULL,
1.0, 10.0, 1);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
gtk_widget_show (scale);
/* the dither toggle */
button = gimp_prop_check_button_new (config, "dither", NULL);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
/* supersampling options */
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
frame = gimp_prop_expanding_frame_new (config, "supersample", NULL,
vbox2, NULL);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
/* max depth scale */
scale = gimp_prop_spin_scale_new (config, "supersample-depth", NULL,
1.0, 1.0, 0);
gtk_box_pack_start (GTK_BOX (vbox2), scale, FALSE, FALSE, 0);
gtk_widget_show (scale);
/* threshold scale */
scale = gimp_prop_spin_scale_new (config, "supersample-threshold", NULL,
0.01, 0.1, 2);
gtk_box_pack_start (GTK_BOX (vbox2), scale, FALSE, FALSE, 0);
gtk_widget_show (scale);
/* the instant toggle */
str = g_strdup_printf (_("Instant mode (%s)"),
gimp_get_mod_string (extend_mask));
button = gimp_prop_check_button_new (config, "instant", str);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_free (str);
options->instant_toggle = button;
/* the modify active toggle */
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
frame = gimp_prop_expanding_frame_new (config, "modify-active", NULL,
vbox2, NULL);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
options->modify_active_frame = frame;
label = gtk_label_new (_("The active gradient is non-writable "
"and cannot be edited directly. "
"Uncheck this option "
"to edit a copy of it."));
gtk_box_pack_start (GTK_BOX (vbox2), label, TRUE, TRUE, 0);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_label_set_width_chars (GTK_LABEL (label), 24);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
options->modify_active_hint = label;
gradient = gimp_context_get_gradient (GIMP_CONTEXT (options));
gtk_widget_set_sensitive (options->modify_active_frame,
gradient !=
gimp_gradients_get_custom (context->gimp));
gtk_widget_set_visible (options->modify_active_hint,
gradient &&
! gimp_data_is_writable (GIMP_DATA (gradient)));
return vbox;
}
static void
gradient_options_repeat_gradient_type_notify (GimpGradientOptions *options,
GParamSpec *pspec,
GtkWidget *repeat_combo)
{
gtk_widget_set_sensitive (repeat_combo,
options->gradient_type < GIMP_GRADIENT_SHAPEBURST_ANGULAR);
}
static void
gradient_options_metric_gradient_type_notify (GimpGradientOptions *options,
GParamSpec *pspec,
GtkWidget *repeat_combo)
{
gtk_widget_set_sensitive (repeat_combo,
options->gradient_type >= GIMP_GRADIENT_SHAPEBURST_ANGULAR &&
options->gradient_type <= GIMP_GRADIENT_SHAPEBURST_DIMPLED);
}
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