Add cairo-quartz-private.h

If the destination surface is a quartz surface, get the clip mask from it.
Added.
Keep a copy of the clip mask around.
(_cairo_surface_is_quartz): New function which determines if a given surface is a quartz surface.

1 files changed, 61 insertions, 0 deletions

diff --git a/src/cairo-quartz-private.h b/src/cairo-quartz-private.h
new file mode 100644
index 00000000..d291c766
--- /dev/null
+++ b/src/cairo-quartz-private.h
@@ -0,0 +1,61 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2004 Calum Robinson
+ *
+ * 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 Calum Robinson
+ *
+ * Contributor(s):
+ *    Calum Robinson <calumr@mac.com>
+ */
+
+#ifndef CAIRO_QUARTZ_PRIVATE_H
+#define CAIRO_QUARTZ_PRIVATE_H
+
+#include <cairoint.h>
+#include <cairo-quartz.h>
+
+typedef struct cairo_quartz_surface {
+    cairo_surface_t base;
+
+    CGContextRef context;
+
+    cairo_bool_t flipped;
+
+    int width;
+    int height;
+
+    cairo_image_surface_t *image;
+	 pixman_region16_t *clip_region;
+	
+    CGImageRef cgImage;
+} cairo_quartz_surface_t;
+
+cairo_bool_t
+_cairo_surface_is_quartz (cairo_surface_t *surface);
+
+#endif /* CAIRO_QUARTZ_PRIVATE_H */