298 lines
9.9 KiB
C
298 lines
9.9 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 Spencer Kimball and Peter Mattis
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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 "paint-types.h"
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#include "core/pika.h"
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#include "core/pikacontainer.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-new.h"
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#include "core/pikaitem.h"
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#include "core/pikapickable.h"
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#include "pikasourceoptions.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_SRC_DRAWABLES,
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PROP_SRC_X,
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PROP_SRC_Y,
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PROP_ALIGN_MODE,
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PROP_SAMPLE_MERGED
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};
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static void pika_source_options_finalize (GObject *object);
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static void pika_source_options_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_source_options_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
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pika_source_options_set_src_drawables (PikaSourceOptions *options,
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GList *drawables);
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static void
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pika_source_options_src_drawable_removed (PikaDrawable *drawable,
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PikaSourceOptions *options);
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static void pika_source_options_make_pickable (PikaSourceOptions *options);
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G_DEFINE_TYPE (PikaSourceOptions, pika_source_options, PIKA_TYPE_PAINT_OPTIONS)
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#define parent_class pika_source_options_parent_class
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static void
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pika_source_options_class_init (PikaSourceOptionsClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = pika_source_options_finalize;
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object_class->set_property = pika_source_options_set_property;
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object_class->get_property = pika_source_options_get_property;
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g_object_class_install_property (object_class, PROP_SRC_DRAWABLES,
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g_param_spec_pointer ("src-drawables",
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NULL, NULL,
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PIKA_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_SRC_X,
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g_param_spec_int ("src-x",
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NULL, NULL,
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G_MININT, G_MAXINT, 0,
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PIKA_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_SRC_Y,
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g_param_spec_int ("src-y",
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NULL, NULL,
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G_MININT, G_MAXINT, 0,
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PIKA_PARAM_READWRITE));
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_ALIGN_MODE,
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"align-mode",
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_("Alignment"),
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NULL,
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PIKA_TYPE_SOURCE_ALIGN_MODE,
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PIKA_SOURCE_ALIGN_NO,
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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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}
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static void
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pika_source_options_init (PikaSourceOptions *options)
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{
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options->src_drawables = NULL;
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}
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static void
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pika_source_options_finalize (GObject *object)
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{
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PikaSourceOptions *options = PIKA_SOURCE_OPTIONS (object);
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pika_source_options_set_src_drawables (options, NULL);
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g_clear_object (&options->src_image);
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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_source_options_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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PikaSourceOptions *options = PIKA_SOURCE_OPTIONS (object);
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switch (property_id)
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{
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case PROP_SRC_DRAWABLES:
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pika_source_options_set_src_drawables (options,
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g_value_get_pointer (value));
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break;
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case PROP_SRC_X:
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options->src_x = g_value_get_int (value);
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break;
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case PROP_SRC_Y:
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options->src_y = g_value_get_int (value);
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break;
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case PROP_ALIGN_MODE:
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options->align_mode = g_value_get_enum (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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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_source_options_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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PikaSourceOptions *options = PIKA_SOURCE_OPTIONS (object);
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switch (property_id)
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{
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case PROP_SRC_DRAWABLES:
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g_value_set_pointer (value, options->src_drawables);
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break;
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case PROP_SRC_X:
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g_value_set_int (value, options->src_x);
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break;
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case PROP_SRC_Y:
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g_value_set_int (value, options->src_y);
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break;
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case PROP_ALIGN_MODE:
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g_value_set_enum (value, options->align_mode);
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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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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_source_options_set_src_drawables (PikaSourceOptions *options,
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GList *drawables)
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{
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PikaImage *image = NULL;
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GList *iter;
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if (g_list_length (options->src_drawables) == g_list_length (drawables))
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{
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GList *iter2;
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for (iter = options->src_drawables, iter2 = drawables;
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iter; iter = iter->next, iter2 = iter2->next)
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{
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if (iter->data != iter2->data)
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break;
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}
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if (iter == NULL)
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return;
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}
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for (GList *iter = drawables; iter; iter = iter->next)
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{
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/* Make sure all drawables are from the same image. */
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if (image == NULL)
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image = pika_item_get_image (PIKA_ITEM (iter->data));
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else
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g_return_if_fail (image == pika_item_get_image (PIKA_ITEM (iter->data)));
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}
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if (options->src_drawables)
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{
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for (GList *iter = options->src_drawables; iter; iter = iter->next)
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g_signal_handlers_disconnect_by_func (iter->data,
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pika_source_options_src_drawable_removed,
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options);
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g_list_free (options->src_drawables);
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}
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options->src_drawables = g_list_copy (drawables);
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if (options->src_drawables)
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{
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for (GList *iter = options->src_drawables; iter; iter = iter->next)
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g_signal_connect (iter->data, "removed",
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G_CALLBACK (pika_source_options_src_drawable_removed),
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options);
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}
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pika_source_options_make_pickable (options);
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g_object_notify (G_OBJECT (options), "src-drawables");
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}
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static void
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pika_source_options_src_drawable_removed (PikaDrawable *drawable,
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PikaSourceOptions *options)
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{
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options->src_drawables = g_list_remove (options->src_drawables, drawable);
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g_signal_handlers_disconnect_by_func (drawable,
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pika_source_options_src_drawable_removed,
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options);
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pika_source_options_make_pickable (options);
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g_object_notify (G_OBJECT (options), "src-drawables");
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}
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static void
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pika_source_options_make_pickable (PikaSourceOptions *options)
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{
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g_clear_object (&options->src_image);
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options->src_pickable = NULL;
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if (options->src_drawables)
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{
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PikaImage *image;
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image = pika_item_get_image (PIKA_ITEM (options->src_drawables->data));
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if (g_list_length (options->src_drawables) > 1)
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{
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/* A composited projection of src_drawables as if they were on
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* their own in the image. Some kind of sample_merged limited
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* to these drawables.
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*/
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options->src_image = pika_image_new_from_drawables (image->pika, options->src_drawables,
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FALSE, FALSE);
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pika_container_remove (image->pika->images, PIKA_OBJECT (options->src_image));
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options->src_pickable = PIKA_PICKABLE (options->src_image);
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pika_pickable_flush (options->src_pickable);
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}
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else
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{
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options->src_pickable = PIKA_PICKABLE (options->src_drawables->data);
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}
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}
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}
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