source/libs/cairo/cairo-src/src/cairo-tristrip-private.h

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2011 Intel Corporation
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it either under the terms of the GNU Lesser General Public
   7  * License version 2.1 as published by the Free Software Foundation
   8  * (the "LGPL") or, at your option, under the terms of the Mozilla
   9  * Public License Version 1.1 (the "MPL"). If you do not alter this
  10  * notice, a recipient may use your version of this file under either
  11  * the MPL or the LGPL.
  12  *
  13  * You should have received a copy of the LGPL along with this library
  14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
  16  * You should have received a copy of the MPL along with this library
  17  * in the file COPYING-MPL-1.1
  18  *
  19  * The contents of this file are subject to the Mozilla Public License
  20  * Version 1.1 (the "License"); you may not use this file except in
  21  * compliance with the License. You may obtain a copy of the License at
  22  * http://www.mozilla.org/MPL/
  23  *
  24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  26  * the specific language governing rights and limitations.
  27  *
  28  * The Original Code is the cairo graphics library.
  29  *
  30  * The Initial Developer of the Original Code is University of Southern
  31  * California.
  32  *
  33  * Contributor(s):
  34  *      Chris Wilson <chris@chris-wilson.co.uk>
  35  */
  36
  37 #ifndef CAIRO_TRISTRIP_PRIVATE_H
  38 #define CAIRO_TRISTRIP_PRIVATE_H
  39
  40 #include "cairo-compiler-private.h"
  41 #include "cairo-error-private.h"
  42 #include "cairo-types-private.h"
  43
  44 CAIRO_BEGIN_DECLS
  45
  46 struct _cairo_tristrip {
  47     cairo_status_t status;
  48
  49     /* XXX clipping */
  50
  51     const cairo_box_t *limits;
  52     int num_limits;
  53
  54     int num_points;
  55     int size_points;
  56     cairo_point_t *points;
  57     cairo_point_t  points_embedded[64];
  58 };
  59
  60 cairo_private void
  61 _cairo_tristrip_init (cairo_tristrip_t *strip);
  62
  63 cairo_private void
  64 _cairo_tristrip_limit (cairo_tristrip_t *strip,
  65                        const cairo_box_t        *limits,
  66                        int                       num_limits);
  67
  68 cairo_private void
  69 _cairo_tristrip_init_with_clip (cairo_tristrip_t *strip,
  70                                 const cairo_clip_t *clip);
  71
  72 cairo_private void
  73 _cairo_tristrip_translate (cairo_tristrip_t *strip, int x, int y);
  74
  75 cairo_private void
  76 _cairo_tristrip_move_to (cairo_tristrip_t *strip,
  77                          const cairo_point_t *point);
  78
  79 cairo_private void
  80 _cairo_tristrip_add_point (cairo_tristrip_t *strip,
  81                            const cairo_point_t *point);
  82
  83 cairo_private void
  84 _cairo_tristrip_extents (const cairo_tristrip_t *strip,
  85                          cairo_box_t         *extents);
  86
  87 cairo_private void
  88 _cairo_tristrip_fini (cairo_tristrip_t *strip);
  89
  90 #define _cairo_tristrip_status(T) ((T)->status)
  91
  92 CAIRO_END_DECLS
  93
  94 #endif /* CAIRO_TRISTRIP_PRIVATE_H */