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authorBenjamin Otte <otte@redhat.com>2010-10-14 00:40:37 +0800
committerMatthew Barnes <mbarnes@redhat.com>2010-10-30 01:50:00 +0800
commit8106873666ddb27067ca289d2cb3968d657ba11e (patch)
treeebac458e9a412ab40c763fdfe5ed64878e8c1781 /libgnomecanvas/gnome-canvas-rect.c
parentef0288a709f531ea8edd002f3efc31fba297b8bb (diff)
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gnome-canvas: gnome-canvas-rect-ellipse.[ch] => gnome-canvas-rect.[ch]
Rename to reflect change of scope
Diffstat (limited to 'libgnomecanvas/gnome-canvas-rect.c')
-rw-r--r--libgnomecanvas/gnome-canvas-rect.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/libgnomecanvas/gnome-canvas-rect.c b/libgnomecanvas/gnome-canvas-rect.c
new file mode 100644
index 0000000000..6e347e36e5
--- /dev/null
+++ b/libgnomecanvas/gnome-canvas-rect.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation
+ * All rights reserved.
+ *
+ * This file is part of the Gnome Library.
+ *
+ * The Gnome Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Gnome Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the Gnome Library; see the file COPYING.LIB. If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/*
+ @NOTATION@
+ */
+/* Rectangle and ellipse item types for GnomeCanvas widget
+ *
+ * GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
+ * copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
+ *
+ *
+ * Authors: Federico Mena <federico@nuclecu.unam.mx>
+ * Rusty Conover <rconover@bangtail.net>
+ */
+
+#include <config.h>
+#include <math.h>
+#include "gnome-canvas-rect.h"
+#include "gnome-canvas-util.h"
+#include "gnome-canvas-shape.h"
+
+#include <libart_lgpl/art_vpath.h>
+#include <libart_lgpl/art_svp.h>
+#include <libart_lgpl/art_svp_vpath.h>
+#include <libart_lgpl/art_rgb_svp.h>
+
+/* Base class for rectangle and ellipse item types */
+
+#define noVERBOSE
+
+enum {
+ PROP_0,
+ PROP_X1,
+ PROP_Y1,
+ PROP_X2,
+ PROP_Y2
+};
+
+static void gnome_canvas_rect_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gnome_canvas_rect_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags);
+
+G_DEFINE_TYPE(GnomeCanvasRect, gnome_canvas_rect, GNOME_TYPE_CANVAS_SHAPE)
+
+static void
+gnome_canvas_rect_class_init (GnomeCanvasRectClass *class)
+{
+ GObjectClass *gobject_class;
+ GnomeCanvasItemClass *item_class;
+
+ gobject_class = (GObjectClass *) class;
+
+ gobject_class->set_property = gnome_canvas_rect_set_property;
+ gobject_class->get_property = gnome_canvas_rect_get_property;
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_X1,
+ g_param_spec_double ("x1", NULL, NULL,
+ -G_MAXDOUBLE, G_MAXDOUBLE, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+ g_object_class_install_property
+ (gobject_class,
+ PROP_Y1,
+ g_param_spec_double ("y1", NULL, NULL,
+ -G_MAXDOUBLE, G_MAXDOUBLE, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+ g_object_class_install_property
+ (gobject_class,
+ PROP_X2,
+ g_param_spec_double ("x2", NULL, NULL,
+ -G_MAXDOUBLE, G_MAXDOUBLE, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+ g_object_class_install_property
+ (gobject_class,
+ PROP_Y2,
+ g_param_spec_double ("y2", NULL, NULL,
+ -G_MAXDOUBLE, G_MAXDOUBLE, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ item_class = (GnomeCanvasItemClass *) class;
+
+ item_class->update = gnome_canvas_rect_update;
+}
+
+static void
+gnome_canvas_rect_init (GnomeCanvasRect *rect)
+{
+ rect->x1 = 0.0;
+ rect->y1 = 0.0;
+ rect->x2 = 0.0;
+ rect->y2 = 0.0;
+ rect->path_dirty = 0;
+}
+
+static void
+gnome_canvas_rect_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GnomeCanvasItem *item;
+ GnomeCanvasRect *rect;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GNOME_IS_CANVAS_RECT (object));
+
+ item = GNOME_CANVAS_ITEM (object);
+ rect = GNOME_CANVAS_RECT (object);
+
+ switch (param_id) {
+ case PROP_X1:
+ rect->x1 = g_value_get_double (value);
+ rect->path_dirty = 1;
+ gnome_canvas_item_request_update (item);
+ break;
+
+ case PROP_Y1:
+ rect->y1 = g_value_get_double (value);
+ rect->path_dirty = 1;
+ gnome_canvas_item_request_update (item);
+ break;
+
+ case PROP_X2:
+ rect->x2 = g_value_get_double (value);
+ rect->path_dirty = 1;
+ gnome_canvas_item_request_update (item);
+ break;
+
+ case PROP_Y2:
+ rect->y2 = g_value_get_double (value);
+ rect->path_dirty = 1;
+ gnome_canvas_item_request_update (item);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+gnome_canvas_rect_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GnomeCanvasRect *rect;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GNOME_IS_CANVAS_RECT (object));
+
+ rect = GNOME_CANVAS_RECT (object);
+
+ switch (param_id) {
+ case PROP_X1:
+ g_value_set_double (value, rect->x1);
+ break;
+
+ case PROP_Y1:
+ g_value_set_double (value, rect->y1);
+ break;
+
+ case PROP_X2:
+ g_value_set_double (value, rect->x2);
+ break;
+
+ case PROP_Y2:
+ g_value_set_double (value, rect->y2);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip_path, gint flags)
+{
+ GnomeCanvasRect *rect;
+ GnomeCanvasPathDef *path_def;
+
+ rect = GNOME_CANVAS_RECT (item);
+
+ if (rect->path_dirty) {
+ path_def = gnome_canvas_path_def_new ();
+
+ gnome_canvas_path_def_moveto (path_def, rect->x1, rect->y1);
+ gnome_canvas_path_def_lineto (path_def, rect->x2, rect->y1);
+ gnome_canvas_path_def_lineto (path_def, rect->x2, rect->y2);
+ gnome_canvas_path_def_lineto (path_def, rect->x1, rect->y2);
+ gnome_canvas_path_def_lineto (path_def, rect->x1, rect->y1);
+ gnome_canvas_path_def_closepath_current (path_def);
+ gnome_canvas_shape_set_path_def (GNOME_CANVAS_SHAPE (item), path_def);
+ gnome_canvas_path_def_unref (path_def);
+ rect->path_dirty = 0;
+ }
+
+ if (GNOME_CANVAS_ITEM_CLASS (gnome_canvas_rect_parent_class)->update)
+ GNOME_CANVAS_ITEM_CLASS (gnome_canvas_rect_parent_class)->update (item, affine, clip_path, flags);
+}