src/adg/adg-cairo-fallback.c

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2021  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
  21 #include "adg-internal.h"
  22 #include <string.h>
  23 #include <math.h>
  24
  25 #include "adg-cairo-fallback.h"
  26
  27
  28 #if CAIRO_VERSION < CAIRO_VERSION_ENCODE(1, 14, 0)
  29
  30 void
  31 cairo_surface_set_device_scale(cairo_surface_t *surface,
  32                                double x_scale, double y_scale)
  33 {
  34 }
  35
  36 #endif /* cairo < 1.14.0 */
  37
  38
  39 #ifdef ADG_MISSING_GBOXED_MATRIX
  40
  41 GType
  42 cairo_gobject_matrix_get_type(void)
  43 {
  44     static GType matrix_type = 0;
  45
  46     if (G_UNLIKELY(matrix_type == 0))
  47         matrix_type = g_boxed_type_register_static("CairoMatrix",
  48                                                    (GBoxedCopyFunc) cairo_gobject_cairo_matrix_copy,
  49                                                    g_free);
  50
  51     return matrix_type;
  52 }
  53
  54 cairo_matrix_t *
  55 cairo_gobject_cairo_matrix_copy(const cairo_matrix_t *matrix)
  56 {
  57     return cpml_memdup(matrix, sizeof(cairo_matrix_t));
  58 }
  59
  60 #endif /* ADG_MISSING_GBOXED_MATRIX */
  61
  62
  63 #ifdef ADG_MISSING_GBOXED_PATTERN
  64
  65 GType
  66 cairo_gobject_pattern_get_type(void)
  67 {
  68     static GType pattern_type = 0;
  69
  70     if (G_UNLIKELY(pattern_type == 0))
  71         pattern_type = g_boxed_type_register_static("CairoPattern",
  72                                                     (GBoxedCopyFunc) cairo_pattern_reference,
  73                                                     (GBoxedFreeFunc) cairo_pattern_destroy);
  74
  75     return pattern_type;
  76 }
  77
  78 #endif /* ADG_MISSING_GBOXED_PATTERN */