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-rw-r--r--app/core/gimppatternclipboard.c213
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diff --git a/app/core/gimppatternclipboard.c b/app/core/gimppatternclipboard.c
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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));
+}