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-rw-r--r--app/paint/gimppaintoptions.c1272
1 files changed, 1272 insertions, 0 deletions
diff --git a/app/paint/gimppaintoptions.c b/app/paint/gimppaintoptions.c
new file mode 100644
index 0000000..60c5959
--- /dev/null
+++ b/app/paint/gimppaintoptions.c
@@ -0,0 +1,1272 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1999 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpmath/gimpmath.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "paint-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpbrush-header.h"
+#include "core/gimpbrushgenerated.h"
+#include "core/gimpimage.h"
+#include "core/gimpdynamics.h"
+#include "core/gimpdynamicsoutput.h"
+#include "core/gimpgradient.h"
+#include "core/gimppaintinfo.h"
+
+#include "gimpbrushcore.h"
+#include "gimppaintoptions.h"
+
+#include "gimp-intl.h"
+
+
+#define DEFAULT_BRUSH_SIZE 20.0
+#define DEFAULT_BRUSH_ASPECT_RATIO 0.0
+#define DEFAULT_BRUSH_ANGLE 0.0
+#define DEFAULT_BRUSH_SPACING 0.1
+#define DEFAULT_BRUSH_HARDNESS 1.0 /* Generated brushes have their own */
+#define DEFAULT_BRUSH_FORCE 0.5
+
+#define DEFAULT_BRUSH_LINK_SIZE TRUE
+#define DEFAULT_BRUSH_LINK_ASPECT_RATIO TRUE
+#define DEFAULT_BRUSH_LINK_ANGLE TRUE
+#define DEFAULT_BRUSH_LINK_SPACING TRUE
+#define DEFAULT_BRUSH_LINK_HARDNESS TRUE
+
+#define DEFAULT_BRUSH_LOCK_TO_VIEW FALSE
+
+#define DEFAULT_APPLICATION_MODE GIMP_PAINT_CONSTANT
+#define DEFAULT_HARD FALSE
+
+#define DEFAULT_USE_JITTER FALSE
+#define DEFAULT_JITTER_AMOUNT 0.2
+
+#define DEFAULT_DYNAMICS_EXPANDED FALSE
+
+#define DEFAULT_FADE_LENGTH 100.0
+#define DEFAULT_FADE_REVERSE FALSE
+#define DEFAULT_FADE_REPEAT GIMP_REPEAT_NONE
+#define DEFAULT_FADE_UNIT GIMP_UNIT_PIXEL
+
+#define DEFAULT_GRADIENT_REVERSE FALSE
+#define DEFAULT_GRADIENT_BLEND_SPACE GIMP_GRADIENT_BLEND_RGB_PERCEPTUAL
+#define DEFAULT_GRADIENT_REPEAT GIMP_REPEAT_NONE
+
+#define DYNAMIC_MAX_VALUE 1.0
+#define DYNAMIC_MIN_VALUE 0.0
+
+#define DEFAULT_SMOOTHING_QUALITY 20
+#define DEFAULT_SMOOTHING_FACTOR 50
+
+enum
+{
+ PROP_0,
+
+ PROP_PAINT_INFO,
+
+ PROP_USE_APPLICATOR, /* temp debug */
+
+ PROP_BRUSH_SIZE,
+ PROP_BRUSH_ASPECT_RATIO,
+ PROP_BRUSH_ANGLE,
+ PROP_BRUSH_SPACING,
+ PROP_BRUSH_HARDNESS,
+ PROP_BRUSH_FORCE,
+
+ PROP_BRUSH_LINK_SIZE,
+ PROP_BRUSH_LINK_ASPECT_RATIO,
+ PROP_BRUSH_LINK_ANGLE,
+ PROP_BRUSH_LINK_SPACING,
+ PROP_BRUSH_LINK_HARDNESS,
+
+ PROP_BRUSH_LOCK_TO_VIEW,
+
+ PROP_APPLICATION_MODE,
+ PROP_HARD,
+
+ PROP_USE_JITTER,
+ PROP_JITTER_AMOUNT,
+
+ PROP_DYNAMICS_EXPANDED,
+
+ PROP_FADE_LENGTH,
+ PROP_FADE_REVERSE,
+ PROP_FADE_REPEAT,
+ PROP_FADE_UNIT,
+
+ PROP_GRADIENT_REVERSE,
+ PROP_GRADIENT_BLEND_COLOR_SPACE,
+ PROP_GRADIENT_REPEAT,
+
+ PROP_BRUSH_VIEW_TYPE,
+ PROP_BRUSH_VIEW_SIZE,
+ PROP_DYNAMICS_VIEW_TYPE,
+ PROP_DYNAMICS_VIEW_SIZE,
+ PROP_PATTERN_VIEW_TYPE,
+ PROP_PATTERN_VIEW_SIZE,
+ PROP_GRADIENT_VIEW_TYPE,
+ PROP_GRADIENT_VIEW_SIZE,
+
+ PROP_USE_SMOOTHING,
+ PROP_SMOOTHING_QUALITY,
+ PROP_SMOOTHING_FACTOR
+};
+
+
+static void gimp_paint_options_config_iface_init (GimpConfigInterface *config_iface);
+
+static void gimp_paint_options_dispose (GObject *object);
+static void gimp_paint_options_finalize (GObject *object);
+static void gimp_paint_options_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_paint_options_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_paint_options_brush_changed (GimpContext *context,
+ GimpBrush *brush);
+static void gimp_paint_options_brush_notify (GimpBrush *brush,
+ const GParamSpec *pspec,
+ GimpPaintOptions *options);
+
+static GimpConfig * gimp_paint_options_duplicate (GimpConfig *config);
+static gboolean gimp_paint_options_copy (GimpConfig *src,
+ GimpConfig *dest,
+ GParamFlags flags);
+static void gimp_paint_options_reset (GimpConfig *config);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpPaintOptions, gimp_paint_options,
+ GIMP_TYPE_TOOL_OPTIONS,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG,
+ gimp_paint_options_config_iface_init))
+
+#define parent_class gimp_paint_options_parent_class
+
+static GimpConfigInterface *parent_config_iface = NULL;
+
+
+static void
+gimp_paint_options_class_init (GimpPaintOptionsClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpContextClass *context_class = GIMP_CONTEXT_CLASS (klass);
+
+ object_class->dispose = gimp_paint_options_dispose;
+ object_class->finalize = gimp_paint_options_finalize;
+ object_class->set_property = gimp_paint_options_set_property;
+ object_class->get_property = gimp_paint_options_get_property;
+
+ context_class->brush_changed = gimp_paint_options_brush_changed;
+
+ g_object_class_install_property (object_class, PROP_PAINT_INFO,
+ g_param_spec_object ("paint-info",
+ NULL, NULL,
+ GIMP_TYPE_PAINT_INFO,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_USE_APPLICATOR,
+ g_param_spec_boolean ("use-applicator",
+ "Use GimpApplicator",
+ NULL,
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BRUSH_SIZE,
+ "brush-size",
+ _("Size"),
+ _("Brush Size"),
+ 1.0, GIMP_BRUSH_MAX_SIZE, DEFAULT_BRUSH_SIZE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BRUSH_ASPECT_RATIO,
+ "brush-aspect-ratio",
+ _("Aspect Ratio"),
+ _("Brush Aspect Ratio"),
+ -20.0, 20.0, DEFAULT_BRUSH_ASPECT_RATIO,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BRUSH_ANGLE,
+ "brush-angle",
+ _("Angle"),
+ _("Brush Angle"),
+ -180.0, 180.0, DEFAULT_BRUSH_ANGLE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BRUSH_SPACING,
+ "brush-spacing",
+ _("Spacing"),
+ _("Brush Spacing"),
+ 0.01, 50.0, DEFAULT_BRUSH_SPACING,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BRUSH_HARDNESS,
+ "brush-hardness",
+ _("Hardness"),
+ _("Brush Hardness"),
+ 0.0, 1.0, DEFAULT_BRUSH_HARDNESS,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BRUSH_FORCE,
+ "brush-force",
+ _("Force"),
+ _("Brush Force"),
+ 0.0, 1.0, DEFAULT_BRUSH_FORCE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_BRUSH_LINK_SIZE,
+ "brush-link-size",
+ _("Link Size"),
+ _("Link brush size to brush native"),
+ DEFAULT_BRUSH_LINK_SIZE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_BRUSH_LINK_ASPECT_RATIO,
+ "brush-link-aspect-ratio",
+ _("Link Aspect Ratio"),
+ _("Link brush aspect ratio to brush native"),
+ DEFAULT_BRUSH_LINK_ASPECT_RATIO,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_BRUSH_LINK_ANGLE,
+ "brush-link-angle",
+ _("Link Angle"),
+ _("Link brush angle to brush native"),
+ DEFAULT_BRUSH_LINK_ANGLE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_BRUSH_LINK_SPACING,
+ "brush-link-spacing",
+ _("Link Spacing"),
+ _("Link brush spacing to brush native"),
+ DEFAULT_BRUSH_LINK_SPACING,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_BRUSH_LINK_HARDNESS,
+ "brush-link-hardness",
+ _("Link Hardness"),
+ _("Link brush hardness to brush native"),
+ DEFAULT_BRUSH_LINK_HARDNESS,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_BRUSH_LOCK_TO_VIEW,
+ "brush-lock-to-view",
+ _("Lock brush to view"),
+ _("Keep brush appearance fixed relative to the view"),
+ DEFAULT_BRUSH_LOCK_TO_VIEW,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_APPLICATION_MODE,
+ "application-mode",
+ _("Incremental"),
+ _("Every stamp has its own opacity"),
+ GIMP_TYPE_PAINT_APPLICATION_MODE,
+ DEFAULT_APPLICATION_MODE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_HARD,
+ "hard",
+ _("Hard edge"),
+ _("Ignore fuzziness of the current brush"),
+ DEFAULT_HARD,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_USE_JITTER,
+ "use-jitter",
+ _("Apply Jitter"),
+ _("Scatter brush as you paint"),
+ DEFAULT_USE_JITTER,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_JITTER_AMOUNT,
+ "jitter-amount",
+ _("Amount"),
+ _("Distance of scattering"),
+ 0.0, 50.0, DEFAULT_JITTER_AMOUNT,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DYNAMICS_EXPANDED,
+ "dynamics-expanded",
+ _("Dynamics Options"),
+ NULL,
+ DEFAULT_DYNAMICS_EXPANDED,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_FADE_LENGTH,
+ "fade-length",
+ _("Fade length"),
+ _("Distance over which strokes fade out"),
+ 0.0, 32767.0, DEFAULT_FADE_LENGTH,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_UNIT (object_class, PROP_FADE_UNIT,
+ "fade-unit",
+ NULL, NULL,
+ TRUE, TRUE, DEFAULT_FADE_UNIT,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_FADE_REVERSE,
+ "fade-reverse",
+ _("Reverse"),
+ _("Reverse direction of fading"),
+ DEFAULT_FADE_REVERSE,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_FADE_REPEAT,
+ "fade-repeat",
+ _("Repeat"),
+ _("How fade is repeated as you paint"),
+ GIMP_TYPE_REPEAT_MODE,
+ DEFAULT_FADE_REPEAT,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_GRADIENT_REVERSE,
+ "gradient-reverse",
+ NULL, NULL,
+ DEFAULT_GRADIENT_REVERSE,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_GRADIENT_BLEND_COLOR_SPACE,
+ "gradient-blend-color-space",
+ _("Blend Color Space"),
+ _("Which color space to use when blending RGB gradient segments"),
+ GIMP_TYPE_GRADIENT_BLEND_COLOR_SPACE,
+ DEFAULT_GRADIENT_BLEND_SPACE,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_GRADIENT_REPEAT,
+ "gradient-repeat",
+ _("Repeat"),
+ NULL,
+ GIMP_TYPE_REPEAT_MODE,
+ DEFAULT_GRADIENT_REPEAT,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_BRUSH_VIEW_TYPE,
+ "brush-view-type",
+ NULL, NULL,
+ GIMP_TYPE_VIEW_TYPE,
+ GIMP_VIEW_TYPE_GRID,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_INT (object_class, PROP_BRUSH_VIEW_SIZE,
+ "brush-view-size",
+ NULL, NULL,
+ GIMP_VIEW_SIZE_TINY,
+ GIMP_VIEWABLE_MAX_BUTTON_SIZE,
+ GIMP_VIEW_SIZE_SMALL,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_DYNAMICS_VIEW_TYPE,
+ "dynamics-view-type",
+ NULL, NULL,
+ GIMP_TYPE_VIEW_TYPE,
+ GIMP_VIEW_TYPE_LIST,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_INT (object_class, PROP_DYNAMICS_VIEW_SIZE,
+ "dynamics-view-size",
+ NULL, NULL,
+ GIMP_VIEW_SIZE_TINY,
+ GIMP_VIEWABLE_MAX_BUTTON_SIZE,
+ GIMP_VIEW_SIZE_SMALL,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_PATTERN_VIEW_TYPE,
+ "pattern-view-type",
+ NULL, NULL,
+ GIMP_TYPE_VIEW_TYPE,
+ GIMP_VIEW_TYPE_GRID,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_INT (object_class, PROP_PATTERN_VIEW_SIZE,
+ "pattern-view-size",
+ NULL, NULL,
+ GIMP_VIEW_SIZE_TINY,
+ GIMP_VIEWABLE_MAX_BUTTON_SIZE,
+ GIMP_VIEW_SIZE_SMALL,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_GRADIENT_VIEW_TYPE,
+ "gradient-view-type",
+ NULL, NULL,
+ GIMP_TYPE_VIEW_TYPE,
+ GIMP_VIEW_TYPE_LIST,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_INT (object_class, PROP_GRADIENT_VIEW_SIZE,
+ "gradient-view-size",
+ NULL, NULL,
+ GIMP_VIEW_SIZE_TINY,
+ GIMP_VIEWABLE_MAX_BUTTON_SIZE,
+ GIMP_VIEW_SIZE_LARGE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_USE_SMOOTHING,
+ "use-smoothing",
+ _("Smooth stroke"),
+ _("Paint smoother strokes"),
+ FALSE,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_INT (object_class, PROP_SMOOTHING_QUALITY,
+ "smoothing-quality",
+ _("Quality"),
+ _("Depth of smoothing"),
+ 1, 100, DEFAULT_SMOOTHING_QUALITY,
+ GIMP_PARAM_STATIC_STRINGS);
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_SMOOTHING_FACTOR,
+ "smoothing-factor",
+ _("Weight"),
+ _("Gravity of the pen"),
+ /* Max velocity is set to 3; allowing for
+ * smoothing factor to be less than velcoty
+ * results in numeric instablility
+ */
+ 3.0, 1000.0, DEFAULT_SMOOTHING_FACTOR,
+ GIMP_PARAM_STATIC_STRINGS);
+}
+
+static void
+gimp_paint_options_config_iface_init (GimpConfigInterface *config_iface)
+{
+ parent_config_iface = g_type_interface_peek_parent (config_iface);
+
+ if (! parent_config_iface)
+ parent_config_iface = g_type_default_interface_peek (GIMP_TYPE_CONFIG);
+
+ config_iface->duplicate = gimp_paint_options_duplicate;
+ config_iface->copy = gimp_paint_options_copy;
+ config_iface->reset = gimp_paint_options_reset;
+}
+
+static void
+gimp_paint_options_init (GimpPaintOptions *options)
+{
+ options->application_mode_save = DEFAULT_APPLICATION_MODE;
+
+ options->jitter_options = g_slice_new0 (GimpJitterOptions);
+ options->fade_options = g_slice_new0 (GimpFadeOptions);
+ options->gradient_options = g_slice_new0 (GimpGradientPaintOptions);
+ options->smoothing_options = g_slice_new0 (GimpSmoothingOptions);
+}
+
+static void
+gimp_paint_options_dispose (GObject *object)
+{
+ GimpPaintOptions *options = GIMP_PAINT_OPTIONS (object);
+
+ g_clear_object (&options->paint_info);
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_paint_options_finalize (GObject *object)
+{
+ GimpPaintOptions *options = GIMP_PAINT_OPTIONS (object);
+
+ g_slice_free (GimpJitterOptions, options->jitter_options);
+ g_slice_free (GimpFadeOptions, options->fade_options);
+ g_slice_free (GimpGradientPaintOptions, options->gradient_options);
+ g_slice_free (GimpSmoothingOptions, options->smoothing_options);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_paint_options_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPaintOptions *options = GIMP_PAINT_OPTIONS (object);
+ GimpFadeOptions *fade_options = options->fade_options;
+ GimpJitterOptions *jitter_options = options->jitter_options;
+ GimpGradientPaintOptions *gradient_options = options->gradient_options;
+ GimpSmoothingOptions *smoothing_options = options->smoothing_options;
+
+ switch (property_id)
+ {
+ case PROP_PAINT_INFO:
+ options->paint_info = g_value_dup_object (value);
+ break;
+
+ case PROP_USE_APPLICATOR:
+ options->use_applicator = g_value_get_boolean (value);
+ break;
+
+ case PROP_BRUSH_SIZE:
+ options->brush_size = g_value_get_double (value);
+ break;
+ case PROP_BRUSH_ASPECT_RATIO:
+ options->brush_aspect_ratio = g_value_get_double (value);
+ break;
+ case PROP_BRUSH_ANGLE:
+ options->brush_angle = - 1.0 * g_value_get_double (value) / 360.0; /* let's make the angle mathematically correct */
+ break;
+ case PROP_BRUSH_SPACING:
+ options->brush_spacing = g_value_get_double (value);
+ break;
+ case PROP_BRUSH_HARDNESS:
+ options->brush_hardness = g_value_get_double (value);
+ break;
+ case PROP_BRUSH_FORCE:
+ options->brush_force = g_value_get_double (value);
+ break;
+
+ case PROP_BRUSH_LINK_SIZE:
+ options->brush_link_size = g_value_get_boolean (value);
+ break;
+ case PROP_BRUSH_LINK_ASPECT_RATIO:
+ options->brush_link_aspect_ratio = g_value_get_boolean (value);
+ break;
+ case PROP_BRUSH_LINK_ANGLE:
+ options->brush_link_angle = g_value_get_boolean (value);
+ break;
+ case PROP_BRUSH_LINK_SPACING:
+ options->brush_link_spacing = g_value_get_boolean (value);
+ break;
+ case PROP_BRUSH_LINK_HARDNESS:
+ options->brush_link_hardness = g_value_get_boolean (value);
+ break;
+
+ case PROP_BRUSH_LOCK_TO_VIEW:
+ options->brush_lock_to_view = g_value_get_boolean (value);
+ break;
+
+ case PROP_APPLICATION_MODE:
+ options->application_mode = g_value_get_enum (value);
+ break;
+ case PROP_HARD:
+ options->hard = g_value_get_boolean (value);
+ break;
+
+ case PROP_USE_JITTER:
+ jitter_options->use_jitter = g_value_get_boolean (value);
+ break;
+ case PROP_JITTER_AMOUNT:
+ jitter_options->jitter_amount = g_value_get_double (value);
+ break;
+
+ case PROP_DYNAMICS_EXPANDED:
+ options->dynamics_expanded = g_value_get_boolean (value);
+ break;
+
+ case PROP_FADE_LENGTH:
+ fade_options->fade_length = g_value_get_double (value);
+ break;
+ case PROP_FADE_REVERSE:
+ fade_options->fade_reverse = g_value_get_boolean (value);
+ break;
+ case PROP_FADE_REPEAT:
+ fade_options->fade_repeat = g_value_get_enum (value);
+ break;
+ case PROP_FADE_UNIT:
+ fade_options->fade_unit = g_value_get_int (value);
+ break;
+
+ case PROP_GRADIENT_REVERSE:
+ gradient_options->gradient_reverse = g_value_get_boolean (value);
+ break;
+ case PROP_GRADIENT_BLEND_COLOR_SPACE:
+ gradient_options->gradient_blend_color_space = g_value_get_enum (value);
+ break;
+ case PROP_GRADIENT_REPEAT:
+ gradient_options->gradient_repeat = g_value_get_enum (value);
+ break;
+
+ case PROP_BRUSH_VIEW_TYPE:
+ options->brush_view_type = g_value_get_enum (value);
+ break;
+ case PROP_BRUSH_VIEW_SIZE:
+ options->brush_view_size = g_value_get_int (value);
+ break;
+
+ case PROP_DYNAMICS_VIEW_TYPE:
+ options->dynamics_view_type = g_value_get_enum (value);
+ break;
+ case PROP_DYNAMICS_VIEW_SIZE:
+ options->dynamics_view_size = g_value_get_int (value);
+ break;
+
+ case PROP_PATTERN_VIEW_TYPE:
+ options->pattern_view_type = g_value_get_enum (value);
+ break;
+ case PROP_PATTERN_VIEW_SIZE:
+ options->pattern_view_size = g_value_get_int (value);
+ break;
+
+ case PROP_GRADIENT_VIEW_TYPE:
+ options->gradient_view_type = g_value_get_enum (value);
+ break;
+ case PROP_GRADIENT_VIEW_SIZE:
+ options->gradient_view_size = g_value_get_int (value);
+ break;
+
+ case PROP_USE_SMOOTHING:
+ smoothing_options->use_smoothing = g_value_get_boolean (value);
+ break;
+ case PROP_SMOOTHING_QUALITY:
+ smoothing_options->smoothing_quality = g_value_get_int (value);
+ break;
+ case PROP_SMOOTHING_FACTOR:
+ smoothing_options->smoothing_factor = g_value_get_double (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_paint_options_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPaintOptions *options = GIMP_PAINT_OPTIONS (object);
+ GimpFadeOptions *fade_options = options->fade_options;
+ GimpJitterOptions *jitter_options = options->jitter_options;
+ GimpGradientPaintOptions *gradient_options = options->gradient_options;
+ GimpSmoothingOptions *smoothing_options = options->smoothing_options;
+
+ switch (property_id)
+ {
+ case PROP_PAINT_INFO:
+ g_value_set_object (value, options->paint_info);
+ break;
+
+ case PROP_USE_APPLICATOR:
+ g_value_set_boolean (value, options->use_applicator);
+ break;
+
+ case PROP_BRUSH_SIZE:
+ g_value_set_double (value, options->brush_size);
+ break;
+ case PROP_BRUSH_ASPECT_RATIO:
+ g_value_set_double (value, options->brush_aspect_ratio);
+ break;
+ case PROP_BRUSH_ANGLE:
+ g_value_set_double (value, - 1.0 * options->brush_angle * 360.0); /* mathematically correct -> intuitively correct */
+ break;
+ case PROP_BRUSH_SPACING:
+ g_value_set_double (value, options->brush_spacing);
+ break;
+ case PROP_BRUSH_HARDNESS:
+ g_value_set_double (value, options->brush_hardness);
+ break;
+ case PROP_BRUSH_FORCE:
+ g_value_set_double (value, options->brush_force);
+ break;
+
+ case PROP_BRUSH_LINK_SIZE:
+ g_value_set_boolean (value, options->brush_link_size);
+ break;
+ case PROP_BRUSH_LINK_ASPECT_RATIO:
+ g_value_set_boolean (value, options->brush_link_aspect_ratio);
+ break;
+ case PROP_BRUSH_LINK_ANGLE:
+ g_value_set_boolean (value, options->brush_link_angle);
+ break;
+ case PROP_BRUSH_LINK_SPACING:
+ g_value_set_boolean (value, options->brush_link_spacing);
+ break;
+ case PROP_BRUSH_LINK_HARDNESS:
+ g_value_set_boolean (value, options->brush_link_hardness);
+ break;
+
+ case PROP_BRUSH_LOCK_TO_VIEW:
+ g_value_set_boolean (value, options->brush_lock_to_view);
+ break;
+
+ case PROP_APPLICATION_MODE:
+ g_value_set_enum (value, options->application_mode);
+ break;
+ case PROP_HARD:
+ g_value_set_boolean (value, options->hard);
+ break;
+
+ case PROP_USE_JITTER:
+ g_value_set_boolean (value, jitter_options->use_jitter);
+ break;
+ case PROP_JITTER_AMOUNT:
+ g_value_set_double (value, jitter_options->jitter_amount);
+ break;
+
+ case PROP_DYNAMICS_EXPANDED:
+ g_value_set_boolean (value, options->dynamics_expanded);
+ break;
+
+ case PROP_FADE_LENGTH:
+ g_value_set_double (value, fade_options->fade_length);
+ break;
+ case PROP_FADE_REVERSE:
+ g_value_set_boolean (value, fade_options->fade_reverse);
+ break;
+ case PROP_FADE_REPEAT:
+ g_value_set_enum (value, fade_options->fade_repeat);
+ break;
+ case PROP_FADE_UNIT:
+ g_value_set_int (value, fade_options->fade_unit);
+ break;
+
+ case PROP_GRADIENT_REVERSE:
+ g_value_set_boolean (value, gradient_options->gradient_reverse);
+ break;
+ case PROP_GRADIENT_BLEND_COLOR_SPACE:
+ g_value_set_enum (value, gradient_options->gradient_blend_color_space);
+ break;
+ case PROP_GRADIENT_REPEAT:
+ g_value_set_enum (value, gradient_options->gradient_repeat);
+ break;
+
+ case PROP_BRUSH_VIEW_TYPE:
+ g_value_set_enum (value, options->brush_view_type);
+ break;
+ case PROP_BRUSH_VIEW_SIZE:
+ g_value_set_int (value, options->brush_view_size);
+ break;
+
+ case PROP_DYNAMICS_VIEW_TYPE:
+ g_value_set_enum (value, options->dynamics_view_type);
+ break;
+ case PROP_DYNAMICS_VIEW_SIZE:
+ g_value_set_int (value, options->dynamics_view_size);
+ break;
+
+ case PROP_PATTERN_VIEW_TYPE:
+ g_value_set_enum (value, options->pattern_view_type);
+ break;
+ case PROP_PATTERN_VIEW_SIZE:
+ g_value_set_int (value, options->pattern_view_size);
+ break;
+
+ case PROP_GRADIENT_VIEW_TYPE:
+ g_value_set_enum (value, options->gradient_view_type);
+ break;
+ case PROP_GRADIENT_VIEW_SIZE:
+ g_value_set_int (value, options->gradient_view_size);
+ break;
+
+ case PROP_USE_SMOOTHING:
+ g_value_set_boolean (value, smoothing_options->use_smoothing);
+ break;
+ case PROP_SMOOTHING_QUALITY:
+ g_value_set_int (value, smoothing_options->smoothing_quality);
+ break;
+ case PROP_SMOOTHING_FACTOR:
+ g_value_set_double (value, smoothing_options->smoothing_factor);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_paint_options_brush_changed (GimpContext *context,
+ GimpBrush *brush)
+{
+ GimpPaintOptions *options = GIMP_PAINT_OPTIONS (context);
+
+ if (options->paint_info &&
+ g_type_is_a (options->paint_info->paint_type,
+ GIMP_TYPE_BRUSH_CORE))
+ {
+ if (options->brush)
+ {
+ g_signal_handlers_disconnect_by_func (options->brush,
+ gimp_paint_options_brush_notify,
+ options);
+ g_object_remove_weak_pointer (G_OBJECT (options->brush),
+ (gpointer) &options->brush);
+ }
+
+ options->brush = brush;
+
+ if (options->brush)
+ {
+ g_object_add_weak_pointer (G_OBJECT (options->brush),
+ (gpointer) &options->brush);
+ g_signal_connect_object (options->brush, "notify",
+ G_CALLBACK (gimp_paint_options_brush_notify),
+ options, 0);
+
+ gimp_paint_options_brush_notify (options->brush, NULL, options);
+ }
+ }
+}
+
+static void
+gimp_paint_options_brush_notify (GimpBrush *brush,
+ const GParamSpec *pspec,
+ GimpPaintOptions *options)
+{
+ if (gimp_tool_options_get_gui_mode (GIMP_TOOL_OPTIONS (options)))
+ {
+#define IS_PSPEC(p,n) (p == NULL || ! strcmp (n, p->name))
+
+ if (options->brush_link_size && IS_PSPEC (pspec, "radius"))
+ gimp_paint_options_set_default_brush_size (options, brush);
+
+ if (options->brush_link_aspect_ratio && IS_PSPEC (pspec, "aspect-ratio"))
+ gimp_paint_options_set_default_brush_aspect_ratio (options, brush);
+
+ if (options->brush_link_angle && IS_PSPEC (pspec, "angle"))
+ gimp_paint_options_set_default_brush_angle (options, brush);
+
+ if (options->brush_link_spacing && IS_PSPEC (pspec, "spacing"))
+ gimp_paint_options_set_default_brush_spacing (options, brush);
+
+ if (options->brush_link_hardness && IS_PSPEC (pspec, "hardness"))
+ gimp_paint_options_set_default_brush_hardness (options, brush);
+
+#undef IS_SPEC
+ }
+}
+
+static GimpConfig *
+gimp_paint_options_duplicate (GimpConfig *config)
+{
+ return parent_config_iface->duplicate (config);
+}
+
+static gboolean
+gimp_paint_options_copy (GimpConfig *src,
+ GimpConfig *dest,
+ GParamFlags flags)
+{
+ return parent_config_iface->copy (src, dest, flags);
+}
+
+static void
+gimp_paint_options_reset (GimpConfig *config)
+{
+ GimpBrush *brush = gimp_context_get_brush (GIMP_CONTEXT (config));
+
+ parent_config_iface->reset (config);
+
+ if (brush)
+ {
+ gimp_paint_options_set_default_brush_size (GIMP_PAINT_OPTIONS (config),
+ brush);
+ gimp_paint_options_set_default_brush_hardness (GIMP_PAINT_OPTIONS (config),
+ brush);
+ gimp_paint_options_set_default_brush_aspect_ratio (GIMP_PAINT_OPTIONS (config),
+ brush);
+ gimp_paint_options_set_default_brush_angle (GIMP_PAINT_OPTIONS (config),
+ brush);
+ gimp_paint_options_set_default_brush_spacing (GIMP_PAINT_OPTIONS (config),
+ brush);
+ }
+}
+
+GimpPaintOptions *
+gimp_paint_options_new (GimpPaintInfo *paint_info)
+{
+ GimpPaintOptions *options;
+
+ g_return_val_if_fail (GIMP_IS_PAINT_INFO (paint_info), NULL);
+
+ options = g_object_new (paint_info->paint_options_type,
+ "gimp", paint_info->gimp,
+ "name", gimp_object_get_name (paint_info),
+ "paint-info", paint_info,
+ NULL);
+
+ return options;
+}
+
+gdouble
+gimp_paint_options_get_fade (GimpPaintOptions *paint_options,
+ GimpImage *image,
+ gdouble pixel_dist)
+{
+ GimpFadeOptions *fade_options;
+ gdouble z = -1.0;
+ gdouble fade_out = 0.0;
+ gdouble unit_factor;
+ gdouble pos;
+
+ g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options),
+ DYNAMIC_MAX_VALUE);
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), DYNAMIC_MAX_VALUE);
+
+ fade_options = paint_options->fade_options;
+
+ switch (fade_options->fade_unit)
+ {
+ case GIMP_UNIT_PIXEL:
+ fade_out = fade_options->fade_length;
+ break;
+
+ case GIMP_UNIT_PERCENT:
+ fade_out = (MAX (gimp_image_get_width (image),
+ gimp_image_get_height (image)) *
+ fade_options->fade_length / 100);
+ break;
+
+ default:
+ {
+ gdouble xres;
+ gdouble yres;
+
+ gimp_image_get_resolution (image, &xres, &yres);
+
+ unit_factor = gimp_unit_get_factor (fade_options->fade_unit);
+ fade_out = (fade_options->fade_length *
+ MAX (xres, yres) / unit_factor);
+ }
+ break;
+ }
+
+ /* factor in the fade out value */
+ if (fade_out > 0.0)
+ {
+ pos = pixel_dist / fade_out;
+ }
+ else
+ pos = DYNAMIC_MAX_VALUE;
+
+ /* for no repeat, set pos close to 1.0 after the first chunk */
+ if (fade_options->fade_repeat == GIMP_REPEAT_NONE && pos >= DYNAMIC_MAX_VALUE)
+ pos = DYNAMIC_MAX_VALUE - 0.0000001;
+
+ if (((gint) pos & 1) &&
+ fade_options->fade_repeat != GIMP_REPEAT_SAWTOOTH)
+ pos = DYNAMIC_MAX_VALUE - (pos - (gint) pos);
+ else
+ pos = pos - (gint) pos;
+
+ z = pos;
+
+ if (fade_options->fade_reverse)
+ z = 1.0 - z;
+
+ return z; /* ln (1/255) */
+}
+
+gdouble
+gimp_paint_options_get_jitter (GimpPaintOptions *paint_options,
+ GimpImage *image)
+{
+ GimpJitterOptions *jitter_options;
+
+ g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), 0.0);
+
+ jitter_options = paint_options->jitter_options;
+
+ if (jitter_options->use_jitter)
+ {
+ return jitter_options->jitter_amount;
+ }
+
+ return 0.0;
+}
+
+gboolean
+gimp_paint_options_get_gradient_color (GimpPaintOptions *paint_options,
+ GimpImage *image,
+ gdouble grad_point,
+ gdouble pixel_dist,
+ GimpRGB *color)
+{
+ GimpDynamics *dynamics;
+
+ g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), FALSE);
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+ g_return_val_if_fail (color != NULL, FALSE);
+
+ dynamics = gimp_context_get_dynamics (GIMP_CONTEXT (paint_options));
+
+ if (gimp_dynamics_is_output_enabled (dynamics, GIMP_DYNAMICS_OUTPUT_COLOR))
+ {
+ GimpGradientPaintOptions *gradient_options = paint_options->gradient_options;
+ GimpGradient *gradient;
+
+ gradient = gimp_context_get_gradient (GIMP_CONTEXT (paint_options));
+
+ gimp_gradient_get_color_at (gradient, GIMP_CONTEXT (paint_options),
+ NULL, grad_point,
+ gradient_options->gradient_reverse,
+ gradient_options->gradient_blend_color_space,
+ color);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+GimpBrushApplicationMode
+gimp_paint_options_get_brush_mode (GimpPaintOptions *paint_options)
+{
+ GimpDynamics *dynamics;
+ gboolean dynamic_force = FALSE;
+
+ g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), GIMP_BRUSH_SOFT);
+
+ if (paint_options->hard)
+ return GIMP_BRUSH_HARD;
+
+ dynamics = gimp_context_get_dynamics (GIMP_CONTEXT (paint_options));
+
+ dynamic_force = gimp_dynamics_is_output_enabled (dynamics,
+ GIMP_DYNAMICS_OUTPUT_FORCE);
+
+ if (dynamic_force || (paint_options->brush_force != 0.5))
+ return GIMP_BRUSH_PRESSURE;
+
+ return GIMP_BRUSH_SOFT;
+}
+
+void
+gimp_paint_options_set_default_brush_size (GimpPaintOptions *paint_options,
+ GimpBrush *brush)
+{
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options));
+ g_return_if_fail (brush == NULL || GIMP_IS_BRUSH (brush));
+
+ if (! brush)
+ brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+ if (brush)
+ {
+ gint height;
+ gint width;
+
+ gimp_brush_transform_size (brush, 1.0, 0.0, 0.0, FALSE, &width, &height);
+
+ g_object_set (paint_options,
+ "brush-size", (gdouble) MAX (height, width),
+ NULL);
+ }
+}
+
+void
+gimp_paint_options_set_default_brush_angle (GimpPaintOptions *paint_options,
+ GimpBrush *brush)
+{
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options));
+ g_return_if_fail (brush == NULL || GIMP_IS_BRUSH (brush));
+
+ if (! brush)
+ brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+ if (GIMP_IS_BRUSH_GENERATED (brush))
+ {
+ GimpBrushGenerated *generated_brush = GIMP_BRUSH_GENERATED (brush);
+
+ g_object_set (paint_options,
+ "brush-angle", (gdouble) gimp_brush_generated_get_angle (generated_brush),
+ NULL);
+ }
+ else
+ {
+ g_object_set (paint_options,
+ "brush-angle", DEFAULT_BRUSH_ANGLE,
+ NULL);
+ }
+}
+
+void
+gimp_paint_options_set_default_brush_aspect_ratio (GimpPaintOptions *paint_options,
+ GimpBrush *brush)
+{
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options));
+ g_return_if_fail (brush == NULL || GIMP_IS_BRUSH (brush));
+
+ if (! brush)
+ brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+ if (GIMP_IS_BRUSH_GENERATED (brush))
+ {
+ GimpBrushGenerated *generated_brush = GIMP_BRUSH_GENERATED (brush);
+ gdouble ratio;
+
+ ratio = gimp_brush_generated_get_aspect_ratio (generated_brush);
+
+ ratio = (ratio - 1.0) * 20.0 / 19.0;
+
+ g_object_set (paint_options,
+ "brush-aspect-ratio", ratio,
+ NULL);
+ }
+ else
+ {
+ g_object_set (paint_options,
+ "brush-aspect-ratio", DEFAULT_BRUSH_ASPECT_RATIO,
+ NULL);
+ }
+}
+
+void
+gimp_paint_options_set_default_brush_spacing (GimpPaintOptions *paint_options,
+ GimpBrush *brush)
+{
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options));
+ g_return_if_fail (brush == NULL || GIMP_IS_BRUSH (brush));
+
+ if (! brush)
+ brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+ if (brush)
+ {
+ g_object_set (paint_options,
+ "brush-spacing", (gdouble) gimp_brush_get_spacing (brush) / 100.0,
+ NULL);
+ }
+}
+
+void
+gimp_paint_options_set_default_brush_hardness (GimpPaintOptions *paint_options,
+ GimpBrush *brush)
+{
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options));
+ g_return_if_fail (brush == NULL || GIMP_IS_BRUSH (brush));
+
+ if (! brush)
+ brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+ if (GIMP_IS_BRUSH_GENERATED (brush))
+ {
+ GimpBrushGenerated *generated_brush = GIMP_BRUSH_GENERATED (brush);
+
+ g_object_set (paint_options,
+ "brush-hardness", (gdouble) gimp_brush_generated_get_hardness (generated_brush),
+ NULL);
+ }
+ else
+ {
+ g_object_set (paint_options,
+ "brush-hardness", DEFAULT_BRUSH_HARDNESS,
+ NULL);
+ }
+}
+
+static const gchar *brush_props[] =
+{
+ "brush-size",
+ "brush-angle",
+ "brush-aspect-ratio",
+ "brush-spacing",
+ "brush-hardness",
+ "brush-force",
+ "brush-link-size",
+ "brush-link-angle",
+ "brush-link-aspect-ratio",
+ "brush-link-spacing",
+ "brush-link-hardness",
+ "brush-lock-to-view"
+};
+
+static const gchar *dynamics_props[] =
+{
+ "dynamics-expanded",
+ "fade-reverse",
+ "fade-length",
+ "fade-unit",
+ "fade-repeat"
+};
+
+static const gchar *gradient_props[] =
+{
+ "gradient-reverse",
+ "gradient-blend-color-space",
+ "gradient-repeat"
+};
+
+static const gint max_n_props = (G_N_ELEMENTS (brush_props) +
+ G_N_ELEMENTS (dynamics_props) +
+ G_N_ELEMENTS (gradient_props));
+
+gboolean
+gimp_paint_options_is_prop (const gchar *prop_name,
+ GimpContextPropMask prop_mask)
+{
+ gint i;
+
+ g_return_val_if_fail (prop_name != NULL, FALSE);
+
+ if (prop_mask & GIMP_CONTEXT_PROP_MASK_BRUSH)
+ {
+ for (i = 0; i < G_N_ELEMENTS (brush_props); i++)
+ if (! strcmp (prop_name, brush_props[i]))
+ return TRUE;
+ }
+
+ if (prop_mask & GIMP_CONTEXT_PROP_MASK_DYNAMICS)
+ {
+ for (i = 0; i < G_N_ELEMENTS (dynamics_props); i++)
+ if (! strcmp (prop_name, dynamics_props[i]))
+ return TRUE;
+ }
+
+ if (prop_mask & GIMP_CONTEXT_PROP_MASK_GRADIENT)
+ {
+ for (i = 0; i < G_N_ELEMENTS (gradient_props); i++)
+ if (! strcmp (prop_name, gradient_props[i]))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+void
+gimp_paint_options_copy_props (GimpPaintOptions *src,
+ GimpPaintOptions *dest,
+ GimpContextPropMask prop_mask)
+{
+ const gchar *names[max_n_props];
+ GValue values[max_n_props];
+ gint n_props = 0;
+ gint i;
+
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (src));
+ g_return_if_fail (GIMP_IS_PAINT_OPTIONS (dest));
+
+ if (prop_mask & GIMP_CONTEXT_PROP_MASK_BRUSH)
+ {
+ for (i = 0; i < G_N_ELEMENTS (brush_props); i++)
+ names[n_props++] = brush_props[i];
+ }
+
+ if (prop_mask & GIMP_CONTEXT_PROP_MASK_DYNAMICS)
+ {
+ for (i = 0; i < G_N_ELEMENTS (dynamics_props); i++)
+ names[n_props++] = dynamics_props[i];
+ }
+
+ if (prop_mask & GIMP_CONTEXT_PROP_MASK_GRADIENT)
+ {
+ for (i = 0; i < G_N_ELEMENTS (gradient_props); i++)
+ names[n_props++] = gradient_props[i];
+ }
+
+ if (n_props > 0)
+ {
+ g_object_getv (G_OBJECT (src), n_props, names, values);
+ g_object_setv (G_OBJECT (dest), n_props, names, values);
+
+ while (n_props--)
+ g_value_unset (&values[n_props]);
+ }
+}