Add functions to initialize and copy cairo_stroke_style_t objects.

Use new _cairo_stroke_style functions rather than direct modification.
Add missing prototype for _cairo_font_options_init_copy.

1 files changed, 87 insertions, 0 deletions

diff --git a/src/cairo-stroke-style.c b/src/cairo-stroke-style.c
new file mode 100644
index 000000000..426dc8aed
--- /dev/null
+++ b/src/cairo-stroke-style.c
@@ -0,0 +1,87 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2005 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Contributor(s):
+ *	Carl Worth <cworth@cworth.org>
+ */
+
+#include "cairoint.h"
+
+void
+_cairo_stroke_style_init (cairo_stroke_style_t *style)
+{
+    style->line_width = CAIRO_GSTATE_LINE_WIDTH_DEFAULT;
+    style->line_cap = CAIRO_GSTATE_LINE_CAP_DEFAULT;
+    style->line_join = CAIRO_GSTATE_LINE_JOIN_DEFAULT;
+    style->miter_limit = CAIRO_GSTATE_MITER_LIMIT_DEFAULT;
+
+    style->dash = NULL;
+    style->num_dashes = 0;
+    style->dash_offset = 0.0;
+}
+
+cairo_status_t
+_cairo_stroke_style_init_copy (cairo_stroke_style_t *style,
+			       cairo_stroke_style_t *other)
+{
+    style->line_width = other->line_width;
+    style->line_cap = other->line_cap;
+    style->line_join = other->line_join;
+    style->miter_limit = other->miter_limit;
+
+    style->num_dashes = other->num_dashes;
+
+    if (other->dash == NULL) {
+	style->dash = NULL;
+    } else {
+	style->dash = malloc (style->num_dashes * sizeof (double));
+	if (style->dash == NULL)
+	    return CAIRO_STATUS_NO_MEMORY;
+
+	memcpy (style->dash, other->dash,
+		style->num_dashes * sizeof (double));
+    }
+
+    style->dash_offset = other->dash_offset;
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+void
+_cairo_stroke_style_fini (cairo_stroke_style_t *style)
+{
+    if (style->dash) {
+	free (style->dash);
+	style->dash = NULL;
+    }
+    style->num_dashes = 0;
+}
+