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-rw-r--r--app/pdb/gimppdbcontext.c554
1 files changed, 554 insertions, 0 deletions
diff --git a/app/pdb/gimppdbcontext.c b/app/pdb/gimppdbcontext.c
new file mode 100644
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--- /dev/null
+++ b/app/pdb/gimppdbcontext.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
+ *
+ * gimppdbcontext.c
+ *
+ * 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 "libgimpconfig/gimpconfig.h"
+
+#include "pdb-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimplist.h"
+#include "core/gimppaintinfo.h"
+#include "core/gimpstrokeoptions.h"
+
+#include "paint/gimpbrushcore.h"
+#include "paint/gimppaintoptions.h"
+
+#include "gimppdbcontext.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_ANTIALIAS,
+ PROP_FEATHER,
+ PROP_FEATHER_RADIUS_X,
+ PROP_FEATHER_RADIUS_Y,
+ PROP_SAMPLE_MERGED,
+ PROP_SAMPLE_CRITERION,
+ PROP_SAMPLE_THRESHOLD,
+ PROP_SAMPLE_TRANSPARENT,
+ PROP_DIAGONAL_NEIGHBORS,
+ PROP_INTERPOLATION,
+ PROP_TRANSFORM_DIRECTION,
+ PROP_TRANSFORM_RESIZE,
+ PROP_DISTANCE_METRIC
+};
+
+
+static void gimp_pdb_context_iface_init (GimpConfigInterface *iface);
+
+static void gimp_pdb_context_constructed (GObject *object);
+static void gimp_pdb_context_finalize (GObject *object);
+static void gimp_pdb_context_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_pdb_context_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_pdb_context_reset (GimpConfig *config);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpPDBContext, gimp_pdb_context, GIMP_TYPE_CONTEXT,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG,
+ gimp_pdb_context_iface_init))
+
+#define parent_class gimp_pdb_context_parent_class
+
+static GimpConfigInterface *parent_config_iface = NULL;
+
+
+static void
+gimp_pdb_context_class_init (GimpPDBContextClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_pdb_context_constructed;
+ object_class->finalize = gimp_pdb_context_finalize;
+ object_class->set_property = gimp_pdb_context_set_property;
+ object_class->get_property = gimp_pdb_context_get_property;
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_ANTIALIAS,
+ "antialias",
+ _("Antialiasing"),
+ _("Smooth edges"),
+ TRUE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_FEATHER,
+ "feather",
+ _("Feather"),
+ NULL,
+ FALSE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_FEATHER_RADIUS_X,
+ "feather-radius-x",
+ _("Feather radius X"),
+ NULL,
+ 0.0, 1000.0, 10.0,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_FEATHER_RADIUS_Y,
+ "feather-radius-y",
+ _("Feather radius Y"),
+ NULL,
+ 0.0, 1000.0, 10.0,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SAMPLE_MERGED,
+ "sample-merged",
+ _("Sample merged"),
+ NULL,
+ FALSE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_SAMPLE_CRITERION,
+ "sample-criterion",
+ _("Sample criterion"),
+ NULL,
+ GIMP_TYPE_SELECT_CRITERION,
+ GIMP_SELECT_CRITERION_COMPOSITE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_SAMPLE_THRESHOLD,
+ "sample-threshold",
+ _("Sample threshold"),
+ NULL,
+ 0.0, 1.0, 0.0,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SAMPLE_TRANSPARENT,
+ "sample-transparent",
+ _("Sample transparent"),
+ NULL,
+ FALSE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DIAGONAL_NEIGHBORS,
+ "diagonal-neighbors",
+ _("Diagonal neighbors"),
+ NULL,
+ FALSE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_INTERPOLATION,
+ "interpolation",
+ _("Interpolation"),
+ NULL,
+ GIMP_TYPE_INTERPOLATION_TYPE,
+ GIMP_INTERPOLATION_CUBIC,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_TRANSFORM_DIRECTION,
+ "transform-direction",
+ _("Transform direction"),
+ NULL,
+ GIMP_TYPE_TRANSFORM_DIRECTION,
+ GIMP_TRANSFORM_FORWARD,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_TRANSFORM_RESIZE,
+ "transform-resize",
+ _("Transform resize"),
+ NULL,
+ GIMP_TYPE_TRANSFORM_RESIZE,
+ GIMP_TRANSFORM_RESIZE_ADJUST,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ /* Legacy blend used "manhattan" metric to compute distance.
+ * API needs to stay compatible, hence the default value for this
+ * property.
+ * Nevertheless Euclidean distance since to render better; for GIMP 3
+ * API, we might therefore want to change the defaults to
+ * GEGL_DISTANCE_METRIC_EUCLIDEAN. FIXME.
+ */
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_DISTANCE_METRIC,
+ "distance-metric",
+ _("Distance metric"),
+ NULL,
+ GEGL_TYPE_DISTANCE_METRIC,
+ GEGL_DISTANCE_METRIC_MANHATTAN,
+ GIMP_PARAM_STATIC_STRINGS);
+
+}
+
+static void
+gimp_pdb_context_iface_init (GimpConfigInterface *iface)
+{
+ parent_config_iface = g_type_interface_peek_parent (iface);
+
+ if (! parent_config_iface)
+ parent_config_iface = g_type_default_interface_peek (GIMP_TYPE_CONFIG);
+
+ iface->reset = gimp_pdb_context_reset;
+}
+
+static void
+gimp_pdb_context_init (GimpPDBContext *context)
+{
+ context->paint_options_list = gimp_list_new (GIMP_TYPE_PAINT_OPTIONS,
+ FALSE);
+}
+
+static void
+gimp_pdb_context_constructed (GObject *object)
+{
+ GimpPDBContext *context = GIMP_PDB_CONTEXT (object);
+ GimpInterpolationType interpolation;
+ gint threshold;
+ GParamSpec *pspec;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ context->stroke_options = gimp_stroke_options_new (GIMP_CONTEXT (context)->gimp,
+ GIMP_CONTEXT (context),
+ TRUE);
+
+ /* keep the stroke options in sync with the context */
+ gimp_context_define_properties (GIMP_CONTEXT (context->stroke_options),
+ GIMP_CONTEXT_PROP_MASK_ALL, FALSE);
+ gimp_context_set_parent (GIMP_CONTEXT (context->stroke_options),
+ GIMP_CONTEXT (context));
+
+ /* preserve the traditional PDB default */
+ g_object_set (context->stroke_options,
+ "method", GIMP_STROKE_PAINT_METHOD,
+ NULL);
+
+ g_object_bind_property (G_OBJECT (context), "antialias",
+ G_OBJECT (context->stroke_options), "antialias",
+ G_BINDING_SYNC_CREATE);
+
+ /* get default interpolation from gimprc */
+
+ interpolation = GIMP_CONTEXT (object)->gimp->config->interpolation_type;
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
+ "interpolation");
+
+ if (pspec)
+ G_PARAM_SPEC_ENUM (pspec)->default_value = interpolation;
+
+ g_object_set (object, "interpolation", interpolation, NULL);
+
+ /* get default threshold from gimprc */
+
+ threshold = GIMP_CONTEXT (object)->gimp->config->default_threshold;
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
+ "sample-threshold");
+
+ if (pspec)
+ G_PARAM_SPEC_DOUBLE (pspec)->default_value = threshold / 255.0;
+
+ g_object_set (object, "sample-threshold", threshold / 255.0, NULL);
+}
+
+static void
+gimp_pdb_context_finalize (GObject *object)
+{
+ GimpPDBContext *context = GIMP_PDB_CONTEXT (object);
+
+ g_clear_object (&context->paint_options_list);
+ g_clear_object (&context->stroke_options);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_pdb_context_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPDBContext *options = GIMP_PDB_CONTEXT (object);
+
+ switch (property_id)
+ {
+ case PROP_ANTIALIAS:
+ options->antialias = g_value_get_boolean (value);
+ break;
+
+ case PROP_FEATHER:
+ options->feather = g_value_get_boolean (value);
+ break;
+
+ case PROP_FEATHER_RADIUS_X:
+ options->feather_radius_x = g_value_get_double (value);
+ break;
+
+ case PROP_FEATHER_RADIUS_Y:
+ options->feather_radius_y = g_value_get_double (value);
+ break;
+
+ case PROP_SAMPLE_MERGED:
+ options->sample_merged = g_value_get_boolean (value);
+ break;
+
+ case PROP_SAMPLE_CRITERION:
+ options->sample_criterion = g_value_get_enum (value);
+ break;
+
+ case PROP_SAMPLE_THRESHOLD:
+ options->sample_threshold = g_value_get_double (value);
+ break;
+
+ case PROP_SAMPLE_TRANSPARENT:
+ options->sample_transparent = g_value_get_boolean (value);
+ break;
+
+ case PROP_DIAGONAL_NEIGHBORS:
+ options->diagonal_neighbors = g_value_get_boolean (value);
+ break;
+
+ case PROP_INTERPOLATION:
+ options->interpolation = g_value_get_enum (value);
+ break;
+
+ case PROP_TRANSFORM_DIRECTION:
+ options->transform_direction = g_value_get_enum (value);
+ break;
+
+ case PROP_TRANSFORM_RESIZE:
+ options->transform_resize = g_value_get_enum (value);
+ break;
+
+ case PROP_DISTANCE_METRIC:
+ options->distance_metric = g_value_get_enum (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_pdb_context_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPDBContext *options = GIMP_PDB_CONTEXT (object);
+
+ switch (property_id)
+ {
+ case PROP_ANTIALIAS:
+ g_value_set_boolean (value, options->antialias);
+ break;
+
+ case PROP_FEATHER:
+ g_value_set_boolean (value, options->feather);
+ break;
+
+ case PROP_FEATHER_RADIUS_X:
+ g_value_set_double (value, options->feather_radius_x);
+ break;
+
+ case PROP_FEATHER_RADIUS_Y:
+ g_value_set_double (value, options->feather_radius_y);
+ break;
+
+ case PROP_SAMPLE_MERGED:
+ g_value_set_boolean (value, options->sample_merged);
+ break;
+
+ case PROP_SAMPLE_CRITERION:
+ g_value_set_enum (value, options->sample_criterion);
+ break;
+
+ case PROP_SAMPLE_THRESHOLD:
+ g_value_set_double (value, options->sample_threshold);
+ break;
+
+ case PROP_SAMPLE_TRANSPARENT:
+ g_value_set_boolean (value, options->sample_transparent);
+ break;
+
+ case PROP_DIAGONAL_NEIGHBORS:
+ g_value_set_boolean (value, options->diagonal_neighbors);
+ break;
+
+ case PROP_INTERPOLATION:
+ g_value_set_enum (value, options->interpolation);
+ break;
+
+ case PROP_TRANSFORM_DIRECTION:
+ g_value_set_enum (value, options->transform_direction);
+ break;
+
+ case PROP_TRANSFORM_RESIZE:
+ g_value_set_enum (value, options->transform_resize);
+ break;
+
+ case PROP_DISTANCE_METRIC:
+ g_value_set_enum (value, options->distance_metric);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_pdb_context_reset (GimpConfig *config)
+{
+ GimpPDBContext *context = GIMP_PDB_CONTEXT (config);
+ GList *list;
+
+ for (list = GIMP_LIST (context->paint_options_list)->queue->head;
+ list;
+ list = g_list_next (list))
+ {
+ gimp_config_reset (list->data);
+ }
+
+ gimp_config_reset (GIMP_CONFIG (context->stroke_options));
+
+ /* preserve the traditional PDB default */
+ g_object_set (context->stroke_options,
+ "method", GIMP_STROKE_PAINT_METHOD,
+ NULL);
+
+ parent_config_iface->reset (config);
+
+ g_object_notify (G_OBJECT (context), "antialias");
+}
+
+GimpContext *
+gimp_pdb_context_new (Gimp *gimp,
+ GimpContext *parent,
+ gboolean set_parent)
+{
+ GimpPDBContext *context;
+ GList *list;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+ g_return_val_if_fail (GIMP_IS_CONTEXT (parent), NULL);
+
+ context = g_object_new (GIMP_TYPE_PDB_CONTEXT,
+ "gimp", gimp,
+ "name", "PDB Context",
+ NULL);
+
+ if (set_parent)
+ {
+ gimp_context_define_properties (GIMP_CONTEXT (context),
+ GIMP_CONTEXT_PROP_MASK_ALL, FALSE);
+ gimp_context_set_parent (GIMP_CONTEXT (context), parent);
+
+ for (list = gimp_get_paint_info_iter (gimp);
+ list;
+ list = g_list_next (list))
+ {
+ GimpPaintInfo *info = list->data;
+
+ gimp_container_add (context->paint_options_list,
+ GIMP_OBJECT (info->paint_options));
+ }
+ }
+ else
+ {
+ for (list = GIMP_LIST (GIMP_PDB_CONTEXT (parent)->paint_options_list)->queue->head;
+ list;
+ list = g_list_next (list))
+ {
+ GimpPaintOptions *options = gimp_config_duplicate (list->data);
+
+ gimp_container_add (context->paint_options_list,
+ GIMP_OBJECT (options));
+ g_object_unref (options);
+ }
+
+ gimp_config_copy (GIMP_CONFIG (GIMP_PDB_CONTEXT (parent)->stroke_options),
+ GIMP_CONFIG (context->stroke_options),
+ 0);
+ }
+
+ /* copy the context properties last, they might have been
+ * overwritten by the above copying of stroke options, which have
+ * the pdb context as parent
+ */
+ gimp_config_sync (G_OBJECT (parent), G_OBJECT (context), 0);
+
+ return GIMP_CONTEXT (context);
+}
+
+GimpContainer *
+gimp_pdb_context_get_paint_options_list (GimpPDBContext *context)
+{
+ g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);
+
+ return context->paint_options_list;
+}
+
+GimpPaintOptions *
+gimp_pdb_context_get_paint_options (GimpPDBContext *context,
+ const gchar *name)
+{
+ g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);
+
+ if (! name)
+ name = gimp_object_get_name (gimp_context_get_paint_info (GIMP_CONTEXT (context)));
+
+ return (GimpPaintOptions *)
+ gimp_container_get_child_by_name (context->paint_options_list, name);
+}
+
+GList *
+gimp_pdb_context_get_brush_options (GimpPDBContext *context)
+{
+ GList *brush_options = NULL;
+ GList *list;
+
+ g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);
+
+ for (list = GIMP_LIST (context->paint_options_list)->queue->head;
+ list;
+ list = g_list_next (list))
+ {
+ GimpPaintOptions *options = list->data;
+
+ if (g_type_is_a (options->paint_info->paint_type, GIMP_TYPE_BRUSH_CORE))
+ brush_options = g_list_prepend (brush_options, options);
+ }
+
+ return g_list_reverse (brush_options);
+}
+
+GimpStrokeOptions *
+gimp_pdb_context_get_stroke_options (GimpPDBContext *context)
+{
+ g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);
+
+ return context->stroke_options;
+}
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