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-rw-r--r--app/tools/gimpgradientoptions.c414
1 files changed, 414 insertions, 0 deletions
diff --git a/app/tools/gimpgradientoptions.c b/app/tools/gimpgradientoptions.c
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+++ b/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);
+}