-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
-
/*
- * (GLABELS) Label and Business Card Creation program for GNOME
- *
- * label_ellipse.c: GLabels label ellipse object
+ * label-ellipse.c
+ * Copyright (C) 2001-2009 Jim Evins <evins@snaught.com>.
*
- * Copyright (C) 2001-2007 Jim Evins <evins@snaught.com>.
+ * This file is part of gLabels.
*
- * This program is free software; you can redistribute it and/or modify
+ * gLabels 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 2 of the License, or
+ * 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,
+ * gLabels 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with gLabels. If not, see <http://www.gnu.org/licenses/>.
*/
#include "label-ellipse.h"
-#include <glib/gmem.h>
-#include <glib/gstrfuncs.h>
-#include <glib/gmessages.h>
+#include <glib/gi18n.h>
+#include <glib.h>
#include <math.h>
#include "cairo-ellipse-path.h"
/* Private function prototypes. */
/*========================================================*/
-static void gl_label_ellipse_finalize (GObject *object);
+static void gl_label_ellipse_finalize (GObject *object);
-static void copy (glLabelObject *dst_object,
- glLabelObject *src_object);
+static void copy (glLabelObject *dst_object,
+ glLabelObject *src_object);
-static void set_fill_color (glLabelObject *object,
- glColorNode *fill_color_node);
+static void set_fill_color (glLabelObject *object,
+ glColorNode *fill_color_node,
+ gboolean checkpoint);
-static void set_line_color (glLabelObject *object,
- glColorNode *line_color_node);
+static void set_line_color (glLabelObject *object,
+ glColorNode *line_color_node,
+ gboolean checkpoint);
-static void set_line_width (glLabelObject *object,
- gdouble line_width);
+static void set_line_width (glLabelObject *object,
+ gdouble line_width,
+ gboolean checkpoint);
-static glColorNode* get_fill_color (glLabelObject *object);
+static glColorNode* get_fill_color (glLabelObject *object);
-static glColorNode* get_line_color (glLabelObject *object);
+static glColorNode* get_line_color (glLabelObject *object);
-static gdouble get_line_width (glLabelObject *object);
+static gdouble get_line_width (glLabelObject *object);
static void draw_object (glLabelObject *object,
cairo_t *cr,
gboolean screen_flag,
glMergeRecord *record);
+static gboolean object_at (glLabelObject *object,
+ cairo_t *cr,
+ gdouble x_pixels,
+ gdouble y_pixels);
-\f
/*****************************************************************************/
/* Boilerplate object stuff. */
/*****************************************************************************/
-G_DEFINE_TYPE (glLabelEllipse, gl_label_ellipse, GL_TYPE_LABEL_OBJECT);
+G_DEFINE_TYPE (glLabelEllipse, gl_label_ellipse, GL_TYPE_LABEL_OBJECT)
+
static void
gl_label_ellipse_class_init (glLabelEllipseClass *class)
label_object_class->get_line_width = get_line_width;
label_object_class->draw_object = draw_object;
label_object_class->draw_shadow = draw_shadow;
+ label_object_class->object_at = object_at;
object_class->finalize = gl_label_ellipse_finalize;
}
+
static void
gl_label_ellipse_init (glLabelEllipse *lellipse)
{
lellipse->priv = g_new0 (glLabelEllipsePrivate, 1);
- lellipse->priv->line_color_node = gl_color_node_new_default ();
- lellipse->priv->fill_color_node = gl_color_node_new_default ();
}
+
static void
gl_label_ellipse_finalize (GObject *object)
{
G_OBJECT_CLASS (gl_label_ellipse_parent_class)->finalize (object);
}
+
/*****************************************************************************/
/* NEW label "ellipse" object. */
/*****************************************************************************/
GObject *
-gl_label_ellipse_new (glLabel *label)
+gl_label_ellipse_new (glLabel *label,
+ gboolean checkpoint)
{
- glLabelEllipse *lellipse;
+ glLabelEllipse *lellipse;
+ glColorNode *fill_color_node;
+ glColorNode *line_color_node;
lellipse = g_object_new (gl_label_ellipse_get_type(), NULL);
- gl_label_object_set_parent (GL_LABEL_OBJECT(lellipse), label);
+ if (label != NULL)
+ {
+ if ( checkpoint )
+ {
+ gl_label_checkpoint (label, _("Create ellipse object"));
+ }
+
+ fill_color_node = gl_color_node_new_default ();
+ line_color_node = gl_color_node_new_default ();
+
+ line_color_node->color = gl_label_get_default_line_color(label);
+ fill_color_node->color = gl_label_get_default_fill_color(label);
+
+ lellipse->priv->line_width = gl_label_get_default_line_width(label);
+ lellipse->priv->line_color_node = line_color_node;
+ lellipse->priv->fill_color_node = fill_color_node;
+
+ gl_label_add_object (label, GL_LABEL_OBJECT (lellipse));
+ gl_label_object_set_parent (GL_LABEL_OBJECT (lellipse), label);
+ }
return G_OBJECT (lellipse);
}
+
/*****************************************************************************/
/* Copy object contents. */
/*****************************************************************************/
line_color_node = get_line_color (src_object);
fill_color_node = get_fill_color (src_object);
- set_line_width (dst_object, line_width);
- set_line_color (dst_object, line_color_node);
- set_fill_color (dst_object, fill_color_node);
+ set_line_width (dst_object, line_width, FALSE);
+ set_line_color (dst_object, line_color_node, FALSE);
+ set_fill_color (dst_object, fill_color_node, FALSE);
gl_color_node_free (&line_color_node);
gl_color_node_free (&fill_color_node);
/*---------------------------------------------------------------------------*/
static void
set_fill_color (glLabelObject *object,
- glColorNode *fill_color_node)
+ glColorNode *fill_color_node,
+ gboolean checkpoint)
{
glLabelEllipse *lellipse = (glLabelEllipse *)object;
+ glLabel *label;
g_return_if_fail (lellipse && GL_IS_LABEL_ELLIPSE (lellipse));
- if (!gl_color_node_equal (lellipse->priv->fill_color_node, fill_color_node)) {
+ if (!gl_color_node_equal (lellipse->priv->fill_color_node, fill_color_node))
+ {
+ if ( checkpoint )
+ {
+ label = gl_label_object_get_parent (GL_LABEL_OBJECT (lellipse));
+ gl_label_checkpoint (label, _("Fill color"));
+ }
gl_color_node_free (&(lellipse->priv->fill_color_node));
lellipse->priv->fill_color_node = gl_color_node_dup (fill_color_node);
}
}
+
/*---------------------------------------------------------------------------*/
/* PRIVATE. Set line color method. */
/*---------------------------------------------------------------------------*/
static void
set_line_color (glLabelObject *object,
- glColorNode *line_color_node)
+ glColorNode *line_color_node,
+ gboolean checkpoint)
{
glLabelEllipse *lellipse = (glLabelEllipse *)object;
+ glLabel *label;
g_return_if_fail (lellipse && GL_IS_LABEL_ELLIPSE (lellipse));
- if ( !gl_color_node_equal (lellipse->priv->line_color_node, line_color_node) ) {
-
+ if ( !gl_color_node_equal (lellipse->priv->line_color_node, line_color_node) )
+ {
+ if ( checkpoint )
+ {
+ label = gl_label_object_get_parent (GL_LABEL_OBJECT (lellipse));
+ gl_label_checkpoint (label, _("Line color"));
+ }
+
gl_color_node_free (&(lellipse->priv->line_color_node));
lellipse->priv->line_color_node = gl_color_node_dup (line_color_node);
}
}
+
/*---------------------------------------------------------------------------*/
/* PRIVATE. Set line width method. */
/*---------------------------------------------------------------------------*/
static void
set_line_width (glLabelObject *object,
- gdouble line_width)
+ gdouble line_width,
+ gboolean checkpoint)
{
glLabelEllipse *lellipse = (glLabelEllipse *)object;
+ glLabel *label;
g_return_if_fail (lellipse && GL_IS_LABEL_ELLIPSE (lellipse));
- if ( lellipse->priv->line_width != line_width ) {
+ if ( lellipse->priv->line_width != line_width )
+ {
+ if ( checkpoint )
+ {
+ label = gl_label_object_get_parent (GL_LABEL_OBJECT (lellipse));
+ gl_label_checkpoint (label, _("Line width"));
+ }
+
lellipse->priv->line_width = line_width;
gl_label_object_emit_changed (GL_LABEL_OBJECT(lellipse));
}
return lellipse->priv->line_width;
}
+
/*---------------------------------------------------------------------------*/
/* PRIVATE. Get line color method. */
/*---------------------------------------------------------------------------*/
return gl_color_node_dup (lellipse->priv->line_color_node);
}
+
/*---------------------------------------------------------------------------*/
/* PRIVATE. Get line width method. */
/*---------------------------------------------------------------------------*/
return gl_color_node_dup (lellipse->priv->fill_color_node);
}
+
/*****************************************************************************/
/* Draw object method. */
/*****************************************************************************/
gl_debug (DEBUG_LABEL, "END");
}
+
/*****************************************************************************/
/* Draw shadow method. */
/*****************************************************************************/
glColorNode *shadow_color_node;
guint shadow_color;
gdouble shadow_opacity;
- guint shadow_line_color;
- guint shadow_fill_color;
gl_debug (DEBUG_LABEL, "START");
+ cairo_save (cr);
+
gl_label_object_get_size (object, &w, &h);
line_width = gl_label_object_get_line_width (object);
shadow_color = GL_COLOR_SHADOW_MERGE_DEFAULT;
}
shadow_opacity = gl_label_object_get_shadow_opacity (object);
- shadow_line_color = gl_color_shadow (shadow_color_node->color, shadow_opacity, line_color_node->color);
- shadow_fill_color = gl_color_shadow (shadow_color_node->color, shadow_opacity, fill_color_node->color);
+ shadow_color = gl_color_set_opacity (shadow_color, shadow_opacity);
- gl_cairo_ellipse_path (cr, w/2, h/2);
-
-
- /* Draw fill shadow */
- cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (shadow_fill_color));
- cairo_fill_preserve (cr);
+ cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (shadow_color));
- /* Draw outline shadow */
- cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (shadow_line_color));
- cairo_set_line_width (cr, line_width);
- cairo_stroke (cr);
+ if ( GL_COLOR_F_ALPHA (fill_color) )
+ {
+ if ( GL_COLOR_F_ALPHA (line_color) )
+ {
+ /* Has FILL and OUTLINE: adjust size to account for line width. */
+ cairo_translate (cr, -line_width/2, -line_width/2);
+ gl_cairo_ellipse_path (cr, (w+line_width)/2, (h+line_width)/2);
+
+ }
+ else
+ {
+ /* Has FILL but no OUTLINE. */
+ gl_cairo_ellipse_path (cr, w/2, h/2);
+ }
+
+ /* Draw shadow */
+ cairo_fill (cr);
+ }
+ else
+ {
+ if ( GL_COLOR_F_ALPHA (line_color) )
+ {
+ /* Has only OUTLINE. */
+ gl_cairo_ellipse_path (cr, w/2, h/2);
+
+ /* Draw shadow of outline */
+ cairo_set_line_width (cr, line_width);
+ cairo_stroke (cr);
+ }
+ }
gl_color_node_free (&line_color_node);
gl_color_node_free (&fill_color_node);
gl_color_node_free (&shadow_color_node);
+ cairo_restore (cr);
+
gl_debug (DEBUG_LABEL, "END");
}
+
+/*****************************************************************************/
+/* Is object at coordinates? */
+/*****************************************************************************/
+static gboolean
+object_at (glLabelObject *object,
+ cairo_t *cr,
+ gdouble x,
+ gdouble y)
+{
+ gdouble w, h;
+ gdouble line_width;
+
+ gl_label_object_get_size (object, &w, &h);
+
+ cairo_new_path (cr);
+ gl_cairo_ellipse_path (cr, w/2, h/2);
+
+ if (cairo_in_fill (cr, x, y))
+ {
+ return TRUE;
+ }
+
+ line_width = gl_label_object_get_line_width (object);
+ cairo_set_line_width (cr, line_width);
+ if (cairo_in_stroke (cr, x, y))
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+
+
+/*
+ * Local Variables: -- emacs
+ * mode: C -- emacs
+ * c-basic-offset: 8 -- emacs
+ * tab-width: 8 -- emacs
+ * indent-tabs-mode: nil -- emacs
+ * End: -- emacs
+ */
projects / glabels / blobdiff