cpml/cpml-extents.h

   1 /* CPML - Cairo Path Manipulation Library
   2  * Copyright (C) 2008, 2009  Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef __CPML_EXTENTS_H__
  21 #define __CPML_EXTENTS_H__
  22
  23 #include <cpml/cpml-pair.h>
  24
  25
  26 CAIRO_BEGIN_DECLS
  27
  28 typedef struct _CpmlExtents CpmlExtents;
  29
  30 struct _CpmlExtents {
  31     cairo_bool_t is_defined;
  32     CpmlPair     org;
  33     CpmlVector   size;
  34 };
  35
  36
  37 CpmlExtents *   cpml_extents_copy               (CpmlExtents       *extents,
  38                                                  const CpmlExtents *src);
  39 CpmlExtents *   cpml_extents_from_cairo_text    (CpmlExtents       *extents,
  40                                                  const cairo_text_extents_t
  41                                                                    *cairo_extents);
  42 void            cpml_extents_add                (CpmlExtents       *extents,
  43                                                  const CpmlExtents *src);
  44 void            cpml_extents_pair_add           (CpmlExtents       *extents,
  45                                                  const CpmlPair    *src);
  46 cairo_bool_t    cpml_extents_is_inside          (const CpmlExtents *extents,
  47                                                  const CpmlExtents *src);
  48 cairo_bool_t    cpml_extents_pair_is_inside     (const CpmlExtents *extents,
  49                                                  const CpmlPair    *src);
  50 void            cpml_extents_transform          (CpmlExtents       *extents,
  51                                                  const cairo_matrix_t *matrix);
  52
  53 CAIRO_END_DECLS
  54
  55
  56 #endif /* __CPML_EXTENTS_H__ */