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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimppatternclipboard.c
* Copyright (C) 2006 Michael Natterer <mitch@gimp.org>
*
* 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 "core-types.h"
#include "gimp.h"
#include "gimpbuffer.h"
#include "gimppatternclipboard.h"
#include "gimpimage.h"
#include "gimppickable.h"
#include "gimptempbuf.h"
#include "gimp-intl.h"
#define PATTERN_MAX_SIZE 1024
enum
{
PROP_0,
PROP_GIMP
};
/* local function prototypes */
static void gimp_pattern_clipboard_constructed (GObject *object);
static void gimp_pattern_clipboard_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_pattern_clipboard_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static GimpData * gimp_pattern_clipboard_duplicate (GimpData *data);
static void gimp_pattern_clipboard_changed (Gimp *gimp,
GimpPattern *pattern);
G_DEFINE_TYPE (GimpPatternClipboard, gimp_pattern_clipboard, GIMP_TYPE_PATTERN)
#define parent_class gimp_pattern_clipboard_parent_class
static void
gimp_pattern_clipboard_class_init (GimpPatternClipboardClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpDataClass *data_class = GIMP_DATA_CLASS (klass);
object_class->constructed = gimp_pattern_clipboard_constructed;
object_class->set_property = gimp_pattern_clipboard_set_property;
object_class->get_property = gimp_pattern_clipboard_get_property;
data_class->duplicate = gimp_pattern_clipboard_duplicate;
g_object_class_install_property (object_class, PROP_GIMP,
g_param_spec_object ("gimp", NULL, NULL,
GIMP_TYPE_GIMP,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_pattern_clipboard_init (GimpPatternClipboard *pattern)
{
}
static void
gimp_pattern_clipboard_constructed (GObject *object)
{
GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_assert (GIMP_IS_GIMP (pattern->gimp));
g_signal_connect_object (pattern->gimp, "clipboard-changed",
G_CALLBACK (gimp_pattern_clipboard_changed),
pattern, 0);
gimp_pattern_clipboard_changed (pattern->gimp, GIMP_PATTERN (pattern));
}
static void
gimp_pattern_clipboard_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (object);
switch (property_id)
{
case PROP_GIMP:
pattern->gimp = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_pattern_clipboard_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (object);
switch (property_id)
{
case PROP_GIMP:
g_value_set_object (value, pattern->gimp);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GimpData *
gimp_pattern_clipboard_duplicate (GimpData *data)
{
GimpData *new = g_object_new (GIMP_TYPE_PATTERN, NULL);
gimp_data_copy (new, data);
return new;
}
GimpData *
gimp_pattern_clipboard_new (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_new (GIMP_TYPE_PATTERN_CLIPBOARD,
"name", _("Clipboard Image"),
"gimp", gimp,
NULL);
}
/* private functions */
static void
gimp_pattern_clipboard_changed (Gimp *gimp,
GimpPattern *pattern)
{
GimpObject *paste;
GeglBuffer *buffer = NULL;
g_clear_pointer (&pattern->mask, gimp_temp_buf_unref);
paste = gimp_get_clipboard_object (gimp);
if (GIMP_IS_IMAGE (paste))
{
gimp_pickable_flush (GIMP_PICKABLE (paste));
buffer = gimp_pickable_get_buffer (GIMP_PICKABLE (paste));
}
else if (GIMP_IS_BUFFER (paste))
{
buffer = gimp_buffer_get_buffer (GIMP_BUFFER (paste));
}
if (buffer)
{
gint width = MIN (gegl_buffer_get_width (buffer), PATTERN_MAX_SIZE);
gint height = MIN (gegl_buffer_get_height (buffer), PATTERN_MAX_SIZE);
pattern->mask = gimp_temp_buf_new (width, height,
gegl_buffer_get_format (buffer));
gegl_buffer_get (buffer,
GEGL_RECTANGLE (0, 0, width, height), 1.0,
NULL,
gimp_temp_buf_get_data (pattern->mask),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
else
{
pattern->mask = gimp_temp_buf_new (16, 16, babl_format ("R'G'B' u8"));
memset (gimp_temp_buf_get_data (pattern->mask), 255, 16 * 16 * 3);
}
gimp_data_dirty (GIMP_DATA (pattern));
}
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