src/cairo-surface-wrapper-private.h

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2002 University of Southern California
   4  * Copyright © 2005 Red Hat, Inc.
   5  * Copyright © 2009 Chris Wilson
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it either under the terms of the GNU Lesser General Public
   9  * License version 2.1 as published by the Free Software Foundation
  10  * (the "LGPL") or, at your option, under the terms of the Mozilla
  11  * Public License Version 1.1 (the "MPL"). If you do not alter this
  12  * notice, a recipient may use your version of this file under either
  13  * the MPL or the LGPL.
  14  *
  15  * You should have received a copy of the LGPL along with this library
  16  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
  18  * You should have received a copy of the MPL along with this library
  19  * in the file COPYING-MPL-1.1
  20  *
  21  * The contents of this file are subject to the Mozilla Public License
  22  * Version 1.1 (the "License"); you may not use this file except in
  23  * compliance with the License. You may obtain a copy of the License at
  24  * http://www.mozilla.org/MPL/
  25  *
  26  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  27  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  28  * the specific language governing rights and limitations.
  29  *
  30  * The Original Code is the cairo graphics library.
  31  *
  32  * The Initial Developer of the Original Code is University of Southern
  33  * California.
  34  *
  35  * Contributor(s):
  36  *      Chris Wilson <chris@chris-wilson.co.u>
  37  */
  38
  39 #ifndef CAIRO_SURFACE_WRAPPER_PRIVATE_H
  40 #define CAIRO_SURFACE_WRAPPER_PRIVATE_H
  41
  42 #include "cairoint.h"
  43 #include "cairo-types-private.h"
  44 #include "cairo-surface-backend-private.h"
  45
  46 CAIRO_BEGIN_DECLS
  47
  48 struct _cairo_surface_wrapper {
  49     cairo_surface_t *target;
  50
  51     cairo_matrix_t transform;
  52
  53     cairo_bool_t has_extents;
  54     cairo_rectangle_int_t extents;
  55     const cairo_clip_t *clip;
  56
  57     cairo_bool_t needs_transform;
  58 };
  59
  60 cairo_private void
  61 _cairo_surface_wrapper_init (cairo_surface_wrapper_t *wrapper,
  62                              cairo_surface_t *target);
  63
  64 cairo_private void
  65 _cairo_surface_wrapper_intersect_extents (cairo_surface_wrapper_t *wrapper,
  66                                           const cairo_rectangle_int_t *extents);
  67
  68 cairo_private void
  69 _cairo_surface_wrapper_set_inverse_transform (cairo_surface_wrapper_t *wrapper,
  70                                               const cairo_matrix_t *transform);
  71
  72 cairo_private void
  73 _cairo_surface_wrapper_set_clip (cairo_surface_wrapper_t *wrapper,
  74                                  const cairo_clip_t *clip);
  75
  76 cairo_private void
  77 _cairo_surface_wrapper_fini (cairo_surface_wrapper_t *wrapper);
  78
  79 static inline cairo_bool_t
  80 _cairo_surface_wrapper_has_fill_stroke (cairo_surface_wrapper_t *wrapper)
  81 {
  82     return wrapper->target->backend->fill_stroke != NULL;
  83 }
  84
  85 cairo_private cairo_status_t
  86 _cairo_surface_wrapper_acquire_source_image (cairo_surface_wrapper_t *wrapper,
  87                                              cairo_image_surface_t  **image_out,
  88                                              void                   **image_extra);
  89
  90 cairo_private void
  91 _cairo_surface_wrapper_release_source_image (cairo_surface_wrapper_t *wrapper,
  92                                              cairo_image_surface_t  *image,
  93                                              void                   *image_extra);
  94
  95
  96 cairo_private cairo_status_t
  97 _cairo_surface_wrapper_paint (cairo_surface_wrapper_t *wrapper,
  98                               cairo_operator_t   op,
  99                               const cairo_pattern_t *source,
 100                               const cairo_clip_t            *clip);
 101
 102 cairo_private cairo_status_t
 103 _cairo_surface_wrapper_mask (cairo_surface_wrapper_t *wrapper,
 104                              cairo_operator_t    op,
 105                              const cairo_pattern_t *source,
 106                              const cairo_pattern_t *mask,
 107                              const cairo_clip_t     *clip);
 108
 109 cairo_private cairo_status_t
 110 _cairo_surface_wrapper_stroke (cairo_surface_wrapper_t *wrapper,
 111                                cairo_operator_t          op,
 112                                const cairo_pattern_t    *source,
 113                                const cairo_path_fixed_t *path,
 114                                const cairo_stroke_style_t       *stroke_style,
 115                                const cairo_matrix_t             *ctm,
 116                                const cairo_matrix_t             *ctm_inverse,
 117                                double                    tolerance,
 118                                cairo_antialias_t         antialias,
 119                                const cairo_clip_t               *clip);
 120
 121 cairo_private cairo_status_t
 122 _cairo_surface_wrapper_fill_stroke (cairo_surface_wrapper_t *wrapper,
 123                                     cairo_operator_t         fill_op,
 124                                     const cairo_pattern_t   *fill_source,
 125                                     cairo_fill_rule_t        fill_rule,
 126                                     double                   fill_tolerance,
 127                                     cairo_antialias_t        fill_antialias,
 128                                     const cairo_path_fixed_t*path,
 129                                     cairo_operator_t         stroke_op,
 130                                     const cairo_pattern_t   *stroke_source,
 131                                     const cairo_stroke_style_t    *stroke_style,
 132                                     const cairo_matrix_t            *stroke_ctm,
 133                                     const cairo_matrix_t            *stroke_ctm_inverse,
 134                                     double                   stroke_tolerance,
 135                                     cairo_antialias_t        stroke_antialias,
 136                                     const cairo_clip_t      *clip);
 137
 138 cairo_private cairo_status_t
 139 _cairo_surface_wrapper_fill (cairo_surface_wrapper_t *wrapper,
 140                              cairo_operator_t    op,
 141                              const cairo_pattern_t *source,
 142                              const cairo_path_fixed_t   *path,
 143                              cairo_fill_rule_t   fill_rule,
 144                              double              tolerance,
 145                              cairo_antialias_t   antialias,
 146                              const cairo_clip_t *clip);
 147
 148 cairo_private cairo_status_t
 149 _cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
 150                                          cairo_operator_t            op,
 151                                          const cairo_pattern_t      *source,
 152                                          const char                 *utf8,
 153                                          int                         utf8_len,
 154                                          const cairo_glyph_t        *glyphs,
 155                                          int                         num_glyphs,
 156                                          const cairo_text_cluster_t *clusters,
 157                                          int                         num_clusters,
 158                                          cairo_text_cluster_flags_t  cluster_flags,
 159                                          cairo_scaled_font_t        *scaled_font,
 160                                          const cairo_clip_t         *clip);
 161
 162 cairo_private cairo_surface_t *
 163 _cairo_surface_wrapper_create_similar (cairo_surface_wrapper_t *wrapper,
 164                                        cairo_content_t  content,
 165                                        int              width,
 166                                        int              height);
 167 cairo_private cairo_bool_t
 168 _cairo_surface_wrapper_get_extents (cairo_surface_wrapper_t *wrapper,
 169                                     cairo_rectangle_int_t   *extents);
 170
 171 cairo_private void
 172 _cairo_surface_wrapper_get_font_options (cairo_surface_wrapper_t    *wrapper,
 173                                          cairo_font_options_t       *options);
 174
 175 cairo_private cairo_surface_t *
 176 _cairo_surface_wrapper_snapshot (cairo_surface_wrapper_t *wrapper);
 177
 178 cairo_private cairo_bool_t
 179 _cairo_surface_wrapper_has_show_text_glyphs (cairo_surface_wrapper_t *wrapper);
 180
 181 static inline cairo_bool_t
 182 _cairo_surface_wrapper_is_active (cairo_surface_wrapper_t *wrapper)
 183 {
 184     return wrapper->target != (cairo_surface_t *) 0;
 185 }
 186
 187 cairo_private cairo_bool_t
 188 _cairo_surface_wrapper_get_target_extents (cairo_surface_wrapper_t *wrapper,
 189                                            cairo_rectangle_int_t *extents);
 190
 191 CAIRO_END_DECLS
 192
 193 #endif /* CAIRO_SURFACE_WRAPPER_PRIVATE_H */