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-rw-r--r--app/core/gimpmybrush.c281
1 files changed, 281 insertions, 0 deletions
diff --git a/app/core/gimpmybrush.c b/app/core/gimpmybrush.c
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+++ b/app/core/gimpmybrush.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpmybrush.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 <cairo.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "core-types.h"
+
+#include "gimp-memsize.h"
+#include "gimpmybrush.h"
+#include "gimpmybrush-load.h"
+#include "gimpmybrush-private.h"
+#include "gimptagged.h"
+
+#include "gimp-intl.h"
+
+
+static void gimp_mybrush_tagged_iface_init (GimpTaggedInterface *iface);
+
+static void gimp_mybrush_finalize (GObject *object);
+static void gimp_mybrush_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_mybrush_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static gint64 gimp_mybrush_get_memsize (GimpObject *object,
+ gint64 *gui_size);
+
+static gchar * gimp_mybrush_get_description (GimpViewable *viewable,
+ gchar **tooltip);
+
+static void gimp_mybrush_dirty (GimpData *data);
+static const gchar * gimp_mybrush_get_extension (GimpData *data);
+
+static gchar * gimp_mybrush_get_checksum (GimpTagged *tagged);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpMybrush, gimp_mybrush, GIMP_TYPE_DATA,
+ G_ADD_PRIVATE (GimpMybrush)
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_TAGGED,
+ gimp_mybrush_tagged_iface_init))
+
+#define parent_class gimp_mybrush_parent_class
+
+
+static void
+gimp_mybrush_class_init (GimpMybrushClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
+ GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
+ GimpDataClass *data_class = GIMP_DATA_CLASS (klass);
+
+ object_class->finalize = gimp_mybrush_finalize;
+ object_class->get_property = gimp_mybrush_get_property;
+ object_class->set_property = gimp_mybrush_set_property;
+
+ gimp_object_class->get_memsize = gimp_mybrush_get_memsize;
+
+ viewable_class->default_icon_name = "gimp-tool-mypaint-brush";
+ viewable_class->get_description = gimp_mybrush_get_description;
+
+ data_class->dirty = gimp_mybrush_dirty;
+ data_class->get_extension = gimp_mybrush_get_extension;
+}
+
+static void
+gimp_mybrush_tagged_iface_init (GimpTaggedInterface *iface)
+{
+ iface->get_checksum = gimp_mybrush_get_checksum;
+}
+
+static void
+gimp_mybrush_init (GimpMybrush *brush)
+{
+ brush->priv = gimp_mybrush_get_instance_private (brush);
+
+ brush->priv->radius = 1.0;
+ brush->priv->opaque = 1.0;
+ brush->priv->hardness = 1.0;
+ brush->priv->eraser = FALSE;
+}
+
+static void
+gimp_mybrush_finalize (GObject *object)
+{
+ GimpMybrush *brush = GIMP_MYBRUSH (object);
+
+ g_clear_pointer (&brush->priv->brush_json, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_mybrush_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id)
+ {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_mybrush_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id)
+ {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static gint64
+gimp_mybrush_get_memsize (GimpObject *object,
+ gint64 *gui_size)
+{
+ GimpMybrush *brush = GIMP_MYBRUSH (object);
+ gint64 memsize = 0;
+
+ memsize += gimp_string_get_memsize (brush->priv->brush_json);
+
+ return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
+ gui_size);
+}
+
+static gchar *
+gimp_mybrush_get_description (GimpViewable *viewable,
+ gchar **tooltip)
+{
+ GimpMybrush *brush = GIMP_MYBRUSH (viewable);
+
+ return g_strdup_printf ("%s",
+ gimp_object_get_name (brush));
+}
+
+static void
+gimp_mybrush_dirty (GimpData *data)
+{
+ GIMP_DATA_CLASS (parent_class)->dirty (data);
+}
+
+static const gchar *
+gimp_mybrush_get_extension (GimpData *data)
+{
+ return GIMP_MYBRUSH_FILE_EXTENSION;
+}
+
+static gchar *
+gimp_mybrush_get_checksum (GimpTagged *tagged)
+{
+ GimpMybrush *brush = GIMP_MYBRUSH (tagged);
+ gchar *checksum_string = NULL;
+
+ if (brush->priv->brush_json)
+ {
+ GChecksum *checksum = g_checksum_new (G_CHECKSUM_MD5);
+
+ g_checksum_update (checksum,
+ (const guchar *) brush->priv->brush_json,
+ strlen (brush->priv->brush_json));
+
+ checksum_string = g_strdup (g_checksum_get_string (checksum));
+
+ g_checksum_free (checksum);
+ }
+
+ return checksum_string;
+}
+
+/* public functions */
+
+GimpData *
+gimp_mybrush_new (GimpContext *context,
+ const gchar *name)
+{
+ g_return_val_if_fail (name != NULL, NULL);
+
+ return g_object_new (GIMP_TYPE_MYBRUSH,
+ "name", name,
+ "mime-type", "image/x-gimp-myb",
+ NULL);
+}
+
+GimpData *
+gimp_mybrush_get_standard (GimpContext *context)
+{
+ static GimpData *standard_mybrush = NULL;
+
+ if (! standard_mybrush)
+ {
+ standard_mybrush = gimp_mybrush_new (context, "Standard");
+
+ gimp_data_clean (standard_mybrush);
+ gimp_data_make_internal (standard_mybrush, "gimp-mybrush-standard");
+
+ g_object_add_weak_pointer (G_OBJECT (standard_mybrush),
+ (gpointer *) &standard_mybrush);
+ }
+
+ return standard_mybrush;
+}
+
+const gchar *
+gimp_mybrush_get_brush_json (GimpMybrush *brush)
+{
+ g_return_val_if_fail (GIMP_IS_MYBRUSH (brush), NULL);
+
+ return brush->priv->brush_json;
+}
+
+gdouble
+gimp_mybrush_get_radius (GimpMybrush *brush)
+{
+ g_return_val_if_fail (GIMP_IS_MYBRUSH (brush), 1.0);
+
+ return brush->priv->radius;
+}
+
+gdouble
+gimp_mybrush_get_opaque (GimpMybrush *brush)
+{
+ g_return_val_if_fail (GIMP_IS_MYBRUSH (brush), 1.0);
+
+ return brush->priv->opaque;
+}
+
+gdouble
+gimp_mybrush_get_hardness (GimpMybrush *brush)
+{
+ g_return_val_if_fail (GIMP_IS_MYBRUSH (brush), 1.0);
+
+ return brush->priv->hardness;
+}
+
+gdouble
+gimp_mybrush_get_offset_by_random (GimpMybrush *brush)
+{
+ g_return_val_if_fail (GIMP_IS_MYBRUSH (brush), 1.0);
+
+ return brush->priv->offset_by_random;
+}
+
+gboolean
+gimp_mybrush_get_is_eraser (GimpMybrush *brush)
+{
+ g_return_val_if_fail (GIMP_IS_MYBRUSH (brush), FALSE);
+
+ return brush->priv->eraser;
+}
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