gimp/app/core/gimppatternclipboard.c

229 lines
6.8 KiB
C

/* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include "core-types.h"
#include "base/temp-buf.h"
#include "base/pixel-region.h"
#include "paint-funcs/paint-funcs.h"
#include "gimp.h"
#include "gimpbuffer.h"
#include "gimppatternclipboard.h"
#include "gimpimage.h"
#include "gimppickable.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_GIMP
};
/* local function prototypes */
static GObject * gimp_pattern_clipboard_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
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);
#if 0
static GimpData * gimp_pattern_clipboard_duplicate (GimpData *data);
#endif
static void gimp_pattern_clipboard_buffer_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);
#if 0
GimpDataClass *data_class = GIMP_DATA_CLASS (klass);
#endif
object_class->constructor = gimp_pattern_clipboard_constructor;
object_class->set_property = gimp_pattern_clipboard_set_property;
object_class->get_property = gimp_pattern_clipboard_get_property;
#if 0
data_class->duplicate = gimp_pattern_clipboard_duplicate;
#endif
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)
{
pattern->gimp = NULL;
}
static GObject *
gimp_pattern_clipboard_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpPatternClipboard *pattern;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
pattern = GIMP_PATTERN_CLIPBOARD (object);
g_assert (GIMP_IS_GIMP (pattern->gimp));
g_signal_connect_object (pattern->gimp, "buffer-changed",
G_CALLBACK (gimp_pattern_clipboard_buffer_changed),
pattern, 0);
gimp_pattern_clipboard_buffer_changed (pattern->gimp, GIMP_PATTERN (pattern));
return object;
}
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;
}
}
#if 0
static GimpData *
gimp_pattern_clipboard_duplicate (GimpData *data)
{
GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (data);
return gimp_pattern_clipboard_new (pattern->gimp);
}
#endif
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"),
"gimp", gimp,
NULL);
}
/* private functions */
static void
gimp_pattern_clipboard_buffer_changed (Gimp *gimp,
GimpPattern *pattern)
{
if (pattern->mask)
{
temp_buf_free (pattern->mask);
pattern->mask = NULL;
}
if (gimp->global_buffer)
{
gint width;
gint height;
gint bytes;
PixelRegion bufferPR;
PixelRegion maskPR;
width = MIN (gimp_buffer_get_width (gimp->global_buffer), 512);
height = MIN (gimp_buffer_get_height (gimp->global_buffer), 512);
bytes = gimp_buffer_get_bytes (gimp->global_buffer);
pattern->mask = temp_buf_new (width, height, bytes, 0, 0, NULL);
pixel_region_init (&bufferPR,
gimp_buffer_get_tiles (gimp->global_buffer),
0, 0, width, height, FALSE);
pixel_region_init_temp_buf (&maskPR, pattern->mask,
0, 0, width, height);
copy_region (&bufferPR, &maskPR);
}
else
{
guchar color[3] = { 255, 255, 255 };
pattern->mask = temp_buf_new (16, 16, 3, 0, 0, color);
}
gimp_data_dirty (GIMP_DATA (pattern));
}