565 lines
18 KiB
C
565 lines
18 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
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*
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* pikapdbcontext.c
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikabase/pikabase.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "pdb-types.h"
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#include "config/pikacoreconfig.h"
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#include "core/pika.h"
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#include "core/pikalist.h"
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#include "core/pikapaintinfo.h"
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#include "core/pikastrokeoptions.h"
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#include "paint/pikabrushcore.h"
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#include "paint/pikapaintoptions.h"
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#include "pikapdbcontext.h"
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#include "pika-intl.h"
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enum
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{
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PROP_0,
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PROP_ANTIALIAS,
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PROP_FEATHER,
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PROP_FEATHER_RADIUS_X,
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PROP_FEATHER_RADIUS_Y,
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PROP_SAMPLE_MERGED,
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PROP_SAMPLE_CRITERION,
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PROP_SAMPLE_THRESHOLD,
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PROP_SAMPLE_TRANSPARENT,
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PROP_DIAGONAL_NEIGHBORS,
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PROP_INTERPOLATION,
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PROP_TRANSFORM_DIRECTION,
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PROP_TRANSFORM_RESIZE,
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PROP_DISTANCE_METRIC
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};
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static void pika_pdb_context_iface_init (PikaConfigInterface *iface);
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static void pika_pdb_context_constructed (GObject *object);
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static void pika_pdb_context_finalize (GObject *object);
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static void pika_pdb_context_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_pdb_context_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_pdb_context_reset (PikaConfig *config);
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G_DEFINE_TYPE_WITH_CODE (PikaPDBContext, pika_pdb_context, PIKA_TYPE_CONTEXT,
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_CONFIG,
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pika_pdb_context_iface_init))
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#define parent_class pika_pdb_context_parent_class
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static PikaConfigInterface *parent_config_iface = NULL;
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static void
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pika_pdb_context_class_init (PikaPDBContextClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = pika_pdb_context_constructed;
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object_class->finalize = pika_pdb_context_finalize;
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object_class->set_property = pika_pdb_context_set_property;
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object_class->get_property = pika_pdb_context_get_property;
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_ANTIALIAS,
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"antialias",
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_("Antialiasing"),
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_("Smooth edges"),
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TRUE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_FEATHER,
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"feather",
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_("Feather"),
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NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_FEATHER_RADIUS_X,
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"feather-radius-x",
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_("Feather radius X"),
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NULL,
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0.0, 1000.0, 10.0,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_FEATHER_RADIUS_Y,
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"feather-radius-y",
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_("Feather radius Y"),
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NULL,
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0.0, 1000.0, 10.0,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_SAMPLE_MERGED,
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"sample-merged",
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_("Sample merged"),
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NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_SAMPLE_CRITERION,
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"sample-criterion",
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_("Sample criterion"),
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NULL,
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PIKA_TYPE_SELECT_CRITERION,
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PIKA_SELECT_CRITERION_COMPOSITE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_SAMPLE_THRESHOLD,
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"sample-threshold",
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_("Sample threshold"),
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NULL,
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0.0, 1.0, 0.0,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_SAMPLE_TRANSPARENT,
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"sample-transparent",
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_("Sample transparent"),
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NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_DIAGONAL_NEIGHBORS,
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"diagonal-neighbors",
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_("Diagonal neighbors"),
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NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_INTERPOLATION,
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"interpolation",
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_("Interpolation"),
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NULL,
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PIKA_TYPE_INTERPOLATION_TYPE,
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PIKA_INTERPOLATION_CUBIC,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_TRANSFORM_DIRECTION,
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"transform-direction",
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_("Transform direction"),
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NULL,
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PIKA_TYPE_TRANSFORM_DIRECTION,
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PIKA_TRANSFORM_FORWARD,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_TRANSFORM_RESIZE,
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"transform-resize",
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_("Transform resize"),
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NULL,
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PIKA_TYPE_TRANSFORM_RESIZE,
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PIKA_TRANSFORM_RESIZE_ADJUST,
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PIKA_PARAM_STATIC_STRINGS);
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/* Legacy blend used "manhattan" metric to compute distance.
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* API needs to stay compatible, hence the default value for this
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* property.
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* Nevertheless Euclidean distance since to render better; for PIKA 3
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* API, we might therefore want to change the defaults to
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* GEGL_DISTANCE_METRIC_EUCLIDEAN. FIXME.
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*/
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_DISTANCE_METRIC,
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"distance-metric",
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_("Distance metric"),
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NULL,
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GEGL_TYPE_DISTANCE_METRIC,
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GEGL_DISTANCE_METRIC_MANHATTAN,
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PIKA_PARAM_STATIC_STRINGS);
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}
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static void
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pika_pdb_context_iface_init (PikaConfigInterface *iface)
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{
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parent_config_iface = g_type_interface_peek_parent (iface);
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if (! parent_config_iface)
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parent_config_iface = g_type_default_interface_peek (PIKA_TYPE_CONFIG);
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iface->reset = pika_pdb_context_reset;
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}
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static void
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pika_pdb_context_init (PikaPDBContext *context)
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{
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context->paint_options_list = pika_list_new (PIKA_TYPE_PAINT_OPTIONS,
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FALSE);
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}
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static void
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pika_pdb_context_constructed (GObject *object)
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{
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PikaPDBContext *context = PIKA_PDB_CONTEXT (object);
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PikaInterpolationType interpolation;
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gint threshold;
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GParamSpec *pspec;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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context->stroke_options = pika_stroke_options_new (PIKA_CONTEXT (context)->pika,
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PIKA_CONTEXT (context),
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TRUE);
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/* keep the stroke options in sync with the context */
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pika_context_define_properties (PIKA_CONTEXT (context->stroke_options),
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PIKA_CONTEXT_PROP_MASK_ALL, FALSE);
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pika_context_set_parent (PIKA_CONTEXT (context->stroke_options),
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PIKA_CONTEXT (context));
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/* preserve the traditional PDB default */
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g_object_set (context->stroke_options,
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"method", PIKA_STROKE_PAINT_METHOD,
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NULL);
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g_object_bind_property (G_OBJECT (context), "antialias",
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G_OBJECT (context->stroke_options), "antialias",
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G_BINDING_SYNC_CREATE);
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/* get default interpolation from pikarc */
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interpolation = PIKA_CONTEXT (object)->pika->config->interpolation_type;
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pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
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"interpolation");
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if (pspec)
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G_PARAM_SPEC_ENUM (pspec)->default_value = interpolation;
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g_object_set (object, "interpolation", interpolation, NULL);
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/* get default threshold from pikarc */
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threshold = PIKA_CONTEXT (object)->pika->config->default_threshold;
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pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
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"sample-threshold");
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if (pspec)
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G_PARAM_SPEC_DOUBLE (pspec)->default_value = threshold / 255.0;
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g_object_set (object, "sample-threshold", threshold / 255.0, NULL);
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}
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static void
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pika_pdb_context_finalize (GObject *object)
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{
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PikaPDBContext *context = PIKA_PDB_CONTEXT (object);
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g_clear_object (&context->paint_options_list);
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g_clear_object (&context->stroke_options);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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pika_pdb_context_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaPDBContext *options = PIKA_PDB_CONTEXT (object);
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switch (property_id)
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{
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case PROP_ANTIALIAS:
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options->antialias = g_value_get_boolean (value);
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break;
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case PROP_FEATHER:
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options->feather = g_value_get_boolean (value);
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break;
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case PROP_FEATHER_RADIUS_X:
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options->feather_radius_x = g_value_get_double (value);
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break;
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case PROP_FEATHER_RADIUS_Y:
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options->feather_radius_y = g_value_get_double (value);
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break;
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case PROP_SAMPLE_MERGED:
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options->sample_merged = g_value_get_boolean (value);
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break;
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case PROP_SAMPLE_CRITERION:
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options->sample_criterion = g_value_get_enum (value);
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break;
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case PROP_SAMPLE_THRESHOLD:
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options->sample_threshold = g_value_get_double (value);
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break;
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case PROP_SAMPLE_TRANSPARENT:
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options->sample_transparent = g_value_get_boolean (value);
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break;
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case PROP_DIAGONAL_NEIGHBORS:
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options->diagonal_neighbors = g_value_get_boolean (value);
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break;
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case PROP_INTERPOLATION:
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options->interpolation = g_value_get_enum (value);
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break;
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case PROP_TRANSFORM_DIRECTION:
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options->transform_direction = g_value_get_enum (value);
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break;
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case PROP_TRANSFORM_RESIZE:
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options->transform_resize = g_value_get_enum (value);
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break;
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case PROP_DISTANCE_METRIC:
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options->distance_metric = g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_pdb_context_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaPDBContext *options = PIKA_PDB_CONTEXT (object);
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switch (property_id)
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{
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case PROP_ANTIALIAS:
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g_value_set_boolean (value, options->antialias);
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break;
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case PROP_FEATHER:
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g_value_set_boolean (value, options->feather);
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break;
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case PROP_FEATHER_RADIUS_X:
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g_value_set_double (value, options->feather_radius_x);
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break;
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case PROP_FEATHER_RADIUS_Y:
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g_value_set_double (value, options->feather_radius_y);
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break;
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case PROP_SAMPLE_MERGED:
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g_value_set_boolean (value, options->sample_merged);
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break;
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case PROP_SAMPLE_CRITERION:
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g_value_set_enum (value, options->sample_criterion);
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break;
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case PROP_SAMPLE_THRESHOLD:
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g_value_set_double (value, options->sample_threshold);
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break;
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case PROP_SAMPLE_TRANSPARENT:
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g_value_set_boolean (value, options->sample_transparent);
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break;
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case PROP_DIAGONAL_NEIGHBORS:
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g_value_set_boolean (value, options->diagonal_neighbors);
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break;
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case PROP_INTERPOLATION:
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g_value_set_enum (value, options->interpolation);
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break;
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case PROP_TRANSFORM_DIRECTION:
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g_value_set_enum (value, options->transform_direction);
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break;
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case PROP_TRANSFORM_RESIZE:
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g_value_set_enum (value, options->transform_resize);
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break;
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case PROP_DISTANCE_METRIC:
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g_value_set_enum (value, options->distance_metric);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_pdb_context_reset (PikaConfig *config)
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{
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PikaPDBContext *context = PIKA_PDB_CONTEXT (config);
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GList *list;
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for (list = PIKA_LIST (context->paint_options_list)->queue->head;
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list;
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list = g_list_next (list))
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{
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pika_config_reset (list->data);
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}
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pika_config_reset (PIKA_CONFIG (context->stroke_options));
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/* preserve the traditional PDB default */
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g_object_set (context->stroke_options,
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"method", PIKA_STROKE_PAINT_METHOD,
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NULL);
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parent_config_iface->reset (config);
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g_object_notify (G_OBJECT (context), "antialias");
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}
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PikaContext *
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pika_pdb_context_new (Pika *pika,
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PikaContext *parent,
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gboolean set_parent)
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{
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PikaPDBContext *context;
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GList *list;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
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g_return_val_if_fail (PIKA_IS_CONTEXT (parent), NULL);
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context = g_object_new (PIKA_TYPE_PDB_CONTEXT,
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"pika", pika,
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"name", "PDB Context",
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NULL);
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if (set_parent)
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{
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pika_context_define_properties (PIKA_CONTEXT (context),
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PIKA_CONTEXT_PROP_MASK_ALL, FALSE);
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pika_context_set_parent (PIKA_CONTEXT (context), parent);
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for (list = pika_get_paint_info_iter (pika);
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list;
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list = g_list_next (list))
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{
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PikaPaintInfo *info = list->data;
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pika_container_add (context->paint_options_list,
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PIKA_OBJECT (info->paint_options));
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}
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}
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else
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{
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for (list = PIKA_LIST (PIKA_PDB_CONTEXT (parent)->paint_options_list)->queue->head;
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list;
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list = g_list_next (list))
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{
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PikaPaintOptions *options = pika_config_duplicate (list->data);
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pika_container_add (context->paint_options_list,
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PIKA_OBJECT (options));
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g_object_unref (options);
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}
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pika_config_copy (PIKA_CONFIG (PIKA_PDB_CONTEXT (parent)->stroke_options),
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PIKA_CONFIG (context->stroke_options),
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0);
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}
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/* copy the context properties last, they might have been
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* overwritten by the above copying of stroke options, which have
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* the pdb context as parent
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*/
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pika_config_sync (G_OBJECT (parent), G_OBJECT (context), 0);
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/* Reset the proper init name after syncing. */
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g_object_set (G_OBJECT (context),
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"name", "PDB Context",
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NULL);
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return PIKA_CONTEXT (context);
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}
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PikaContainer *
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pika_pdb_context_get_paint_options_list (PikaPDBContext *context)
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{
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g_return_val_if_fail (PIKA_IS_PDB_CONTEXT (context), NULL);
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return context->paint_options_list;
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}
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PikaPaintOptions *
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pika_pdb_context_get_paint_options (PikaPDBContext *context,
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const gchar *name)
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{
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g_return_val_if_fail (PIKA_IS_PDB_CONTEXT (context), NULL);
|
|
|
|
if (! name)
|
|
name = pika_object_get_name (pika_context_get_paint_info (PIKA_CONTEXT (context)));
|
|
|
|
return (PikaPaintOptions *)
|
|
pika_container_get_child_by_name (context->paint_options_list, name);
|
|
}
|
|
|
|
GList *
|
|
pika_pdb_context_get_brush_options (PikaPDBContext *context)
|
|
{
|
|
GList *brush_options = NULL;
|
|
GList *list;
|
|
|
|
g_return_val_if_fail (PIKA_IS_PDB_CONTEXT (context), NULL);
|
|
|
|
for (list = PIKA_LIST (context->paint_options_list)->queue->head;
|
|
list;
|
|
list = g_list_next (list))
|
|
{
|
|
PikaPaintOptions *options = list->data;
|
|
|
|
if (g_type_is_a (options->paint_info->paint_type, PIKA_TYPE_BRUSH_CORE))
|
|
brush_options = g_list_prepend (brush_options, options);
|
|
}
|
|
|
|
return g_list_reverse (brush_options);
|
|
}
|
|
|
|
PikaStrokeOptions *
|
|
pika_pdb_context_get_stroke_options (PikaPDBContext *context)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_PDB_CONTEXT (context), NULL);
|
|
|
|
return context->stroke_options;
|
|
}
|
