284 lines
8.1 KiB
C
284 lines
8.1 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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* pikamybrush.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 <cairo.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "core-types.h"
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#include "pika-memsize.h"
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#include "pikamybrush.h"
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#include "pikamybrush-load.h"
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#include "pikamybrush-private.h"
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#include "pikatagged.h"
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#include "pika-intl.h"
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static void pika_mybrush_tagged_iface_init (PikaTaggedInterface *iface);
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static void pika_mybrush_finalize (GObject *object);
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static void pika_mybrush_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_mybrush_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 gint64 pika_mybrush_get_memsize (PikaObject *object,
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gint64 *gui_size);
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static gchar * pika_mybrush_get_description (PikaViewable *viewable,
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gchar **tooltip);
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static void pika_mybrush_dirty (PikaData *data);
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static const gchar * pika_mybrush_get_extension (PikaData *data);
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static gchar * pika_mybrush_get_checksum (PikaTagged *tagged);
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G_DEFINE_TYPE_WITH_CODE (PikaMybrush, pika_mybrush, PIKA_TYPE_DATA,
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G_ADD_PRIVATE (PikaMybrush)
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_TAGGED,
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pika_mybrush_tagged_iface_init))
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#define parent_class pika_mybrush_parent_class
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static void
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pika_mybrush_class_init (PikaMybrushClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
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PikaViewableClass *viewable_class = PIKA_VIEWABLE_CLASS (klass);
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PikaDataClass *data_class = PIKA_DATA_CLASS (klass);
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object_class->finalize = pika_mybrush_finalize;
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object_class->get_property = pika_mybrush_get_property;
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object_class->set_property = pika_mybrush_set_property;
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pika_object_class->get_memsize = pika_mybrush_get_memsize;
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viewable_class->default_icon_name = "pika-tool-mypaint-brush";
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viewable_class->get_description = pika_mybrush_get_description;
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data_class->dirty = pika_mybrush_dirty;
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data_class->get_extension = pika_mybrush_get_extension;
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}
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static void
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pika_mybrush_tagged_iface_init (PikaTaggedInterface *iface)
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{
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iface->get_checksum = pika_mybrush_get_checksum;
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}
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static void
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pika_mybrush_init (PikaMybrush *brush)
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{
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brush->priv = pika_mybrush_get_instance_private (brush);
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brush->priv->radius = 1.0;
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brush->priv->opaque = 1.0;
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brush->priv->hardness = 1.0;
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brush->priv->eraser = FALSE;
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}
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static void
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pika_mybrush_finalize (GObject *object)
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{
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PikaMybrush *brush = PIKA_MYBRUSH (object);
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g_clear_pointer (&brush->priv->brush_json, g_free);
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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_mybrush_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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switch (property_id)
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{
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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_mybrush_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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switch (property_id)
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{
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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 gint64
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pika_mybrush_get_memsize (PikaObject *object,
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gint64 *gui_size)
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{
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PikaMybrush *brush = PIKA_MYBRUSH (object);
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gint64 memsize = 0;
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memsize += pika_string_get_memsize (brush->priv->brush_json);
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return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static gchar *
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pika_mybrush_get_description (PikaViewable *viewable,
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gchar **tooltip)
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{
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PikaMybrush *brush = PIKA_MYBRUSH (viewable);
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return g_strdup_printf ("%s",
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pika_object_get_name (brush));
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}
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static void
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pika_mybrush_dirty (PikaData *data)
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{
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PIKA_DATA_CLASS (parent_class)->dirty (data);
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}
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static const gchar *
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pika_mybrush_get_extension (PikaData *data)
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{
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return PIKA_MYBRUSH_FILE_EXTENSION;
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}
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static gchar *
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pika_mybrush_get_checksum (PikaTagged *tagged)
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{
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PikaMybrush *brush = PIKA_MYBRUSH (tagged);
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gchar *checksum_string = NULL;
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if (brush->priv->brush_json)
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{
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GChecksum *checksum = g_checksum_new (G_CHECKSUM_MD5);
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g_checksum_update (checksum,
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(const guchar *) brush->priv->brush_json,
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strlen (brush->priv->brush_json));
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checksum_string = g_strdup (g_checksum_get_string (checksum));
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g_checksum_free (checksum);
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}
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return checksum_string;
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}
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/* public functions */
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PikaData *
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pika_mybrush_new (PikaContext *context,
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const gchar *name)
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{
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g_return_val_if_fail (name != NULL, NULL);
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return g_object_new (PIKA_TYPE_MYBRUSH,
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"name", name,
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"mime-type", "image/x-pika-myb",
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NULL);
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}
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PikaData *
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pika_mybrush_get_standard (PikaContext *context)
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{
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static PikaData *standard_mybrush = NULL;
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if (! standard_mybrush)
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{
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g_set_weak_pointer (&standard_mybrush,
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pika_mybrush_new (context, "Standard"));
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pika_data_clean (standard_mybrush);
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pika_data_make_internal (standard_mybrush, "pika-mybrush-standard");
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}
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return standard_mybrush;
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}
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const gchar *
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pika_mybrush_get_brush_json (PikaMybrush *brush)
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{
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g_return_val_if_fail (PIKA_IS_MYBRUSH (brush), NULL);
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return brush->priv->brush_json;
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}
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gdouble
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pika_mybrush_get_radius (PikaMybrush *brush)
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{
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g_return_val_if_fail (PIKA_IS_MYBRUSH (brush), 1.0);
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return brush->priv->radius;
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}
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gdouble
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pika_mybrush_get_opaque (PikaMybrush *brush)
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{
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g_return_val_if_fail (PIKA_IS_MYBRUSH (brush), 1.0);
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return brush->priv->opaque;
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}
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gdouble
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pika_mybrush_get_hardness (PikaMybrush *brush)
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{
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g_return_val_if_fail (PIKA_IS_MYBRUSH (brush), 1.0);
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return brush->priv->hardness;
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}
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gdouble
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pika_mybrush_get_offset_by_random (PikaMybrush *brush)
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{
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g_return_val_if_fail (PIKA_IS_MYBRUSH (brush), 1.0);
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return brush->priv->offset_by_random;
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}
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gboolean
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pika_mybrush_get_is_eraser (PikaMybrush *brush)
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{
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g_return_val_if_fail (PIKA_IS_MYBRUSH (brush), FALSE);
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return brush->priv->eraser;
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}
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