1 /* cairo - a vector graphics library with display and print output
3 * Copyright © 2010 Intel Corporation
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.
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
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/
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.
28 * The Original Code is the cairo graphics library.
30 * The Initial Developer of the Original Code is Intel Corporation
33 * Chris Wilson <chris@chris-wilson.co.uk>
36 #ifndef CAIRO_BACKEND_PRIVATE_H
37 #define CAIRO_BACKEND_PRIVATE_H
39 #include "cairo-types-private.h"
41 typedef enum _cairo_backend_type {
44 } cairo_backend_type_t;
46 struct _cairo_backend {
47 cairo_backend_type_t type;
48 void (*destroy) (void *cr);
50 cairo_surface_t *(*get_original_target) (void *cr);
51 cairo_surface_t *(*get_current_target) (void *cr);
53 cairo_status_t (*save) (void *cr);
54 cairo_status_t (*restore) (void *cr);
56 cairo_status_t (*push_group) (void *cr, cairo_content_t content);
57 cairo_pattern_t *(*pop_group) (void *cr);
59 cairo_status_t (*set_source_rgba) (void *cr, double red, double green, double blue, double alpha);
60 cairo_status_t (*set_source_surface) (void *cr, cairo_surface_t *surface, double x, double y);
61 cairo_status_t (*set_source) (void *cr, cairo_pattern_t *source);
62 cairo_pattern_t *(*get_source) (void *cr);
64 cairo_status_t (*set_antialias) (void *cr, cairo_antialias_t antialias);
65 cairo_status_t (*set_dash) (void *cr, const double *dashes, int num_dashes, double offset);
66 cairo_status_t (*set_fill_rule) (void *cr, cairo_fill_rule_t fill_rule);
67 cairo_status_t (*set_line_cap) (void *cr, cairo_line_cap_t line_cap);
68 cairo_status_t (*set_line_join) (void *cr, cairo_line_join_t line_join);
69 cairo_status_t (*set_line_width) (void *cr, double line_width);
70 cairo_status_t (*set_miter_limit) (void *cr, double limit);
71 cairo_status_t (*set_opacity) (void *cr, double opacity);
72 cairo_status_t (*set_operator) (void *cr, cairo_operator_t op);
73 cairo_status_t (*set_tolerance) (void *cr, double tolerance);
75 cairo_antialias_t (*get_antialias) (void *cr);
76 void (*get_dash) (void *cr, double *dashes, int *num_dashes, double *offset);
77 cairo_fill_rule_t (*get_fill_rule) (void *cr);
78 cairo_line_cap_t (*get_line_cap) (void *cr);
79 cairo_line_join_t (*get_line_join) (void *cr);
80 double (*get_line_width) (void *cr);
81 double (*get_miter_limit) (void *cr);
82 double (*get_opacity) (void *cr);
83 cairo_operator_t (*get_operator) (void *cr);
84 double (*get_tolerance) (void *cr);
86 cairo_status_t (*translate) (void *cr, double tx, double ty);
87 cairo_status_t (*scale) (void *cr, double sx, double sy);
88 cairo_status_t (*rotate) (void *cr, double theta);
89 cairo_status_t (*transform) (void *cr, const cairo_matrix_t *matrix);
90 cairo_status_t (*set_matrix) (void *cr, const cairo_matrix_t *matrix);
91 cairo_status_t (*set_identity_matrix) (void *cr);
92 void (*get_matrix) (void *cr, cairo_matrix_t *matrix);
94 void (*user_to_device) (void *cr, double *x, double *y);
95 void (*user_to_device_distance) (void *cr, double *x, double *y);
96 void (*device_to_user) (void *cr, double *x, double *y);
97 void (*device_to_user_distance) (void *cr, double *x, double *y);
99 cairo_status_t (*new_path) (void *cr);
100 cairo_status_t (*new_sub_path) (void *cr);
101 cairo_status_t (*move_to) (void *cr, double x, double y);
102 cairo_status_t (*rel_move_to) (void *cr, double dx, double dy);
103 cairo_status_t (*line_to) (void *cr, double x, double y);
104 cairo_status_t (*rel_line_to) (void *cr, double dx, double dy);
105 cairo_status_t (*curve_to) (void *cr, double x1, double y1, double x2, double y2, double x3, double y3);
106 cairo_status_t (*rel_curve_to) (void *cr, double dx1, double dy1, double dx2, double dy2, double dx3, double dy3);
107 cairo_status_t (*arc_to) (void *cr, double x1, double y1, double x2, double y2, double radius);
108 cairo_status_t (*rel_arc_to) (void *cr, double dx1, double dy1, double dx2, double dy2, double radius);
109 cairo_status_t (*close_path) (void *cr);
111 cairo_status_t (*arc) (void *cr, double xc, double yc, double radius, double angle1, double angle2, cairo_bool_t forward);
112 cairo_status_t (*rectangle) (void *cr, double x, double y, double width, double height);
114 void (*path_extents) (void *cr, double *x1, double *y1, double *x2, double *y2);
115 cairo_bool_t (*has_current_point) (void *cr);
116 cairo_bool_t (*get_current_point) (void *cr, double *x, double *y);
118 cairo_path_t *(*copy_path) (void *cr);
119 cairo_path_t *(*copy_path_flat) (void *cr);
120 cairo_status_t (*append_path) (void *cr, const cairo_path_t *path);
122 cairo_status_t (*stroke_to_path) (void *cr);
124 cairo_status_t (*clip) (void *cr);
125 cairo_status_t (*clip_preserve) (void *cr);
126 cairo_status_t (*in_clip) (void *cr, double x, double y, cairo_bool_t *inside);
127 cairo_status_t (*clip_extents) (void *cr, double *x1, double *y1, double *x2, double *y2);
128 cairo_status_t (*reset_clip) (void *cr);
129 cairo_rectangle_list_t *(*clip_copy_rectangle_list) (void *cr);
131 cairo_status_t (*paint) (void *cr);
132 cairo_status_t (*paint_with_alpha) (void *cr, double opacity);
133 cairo_status_t (*mask) (void *cr, cairo_pattern_t *pattern);
135 cairo_status_t (*stroke) (void *cr);
136 cairo_status_t (*stroke_preserve) (void *cr);
137 cairo_status_t (*in_stroke) (void *cr, double x, double y, cairo_bool_t *inside);
138 cairo_status_t (*stroke_extents) (void *cr, double *x1, double *y1, double *x2, double *y2);
140 cairo_status_t (*fill) (void *cr);
141 cairo_status_t (*fill_preserve) (void *cr);
142 cairo_status_t (*in_fill) (void *cr, double x, double y, cairo_bool_t *inside);
143 cairo_status_t (*fill_extents) (void *cr, double *x1, double *y1, double *x2, double *y2);
145 cairo_status_t (*set_font_face) (void *cr, cairo_font_face_t *font_face);
146 cairo_font_face_t *(*get_font_face) (void *cr);
147 cairo_status_t (*set_font_size) (void *cr, double size);
148 cairo_status_t (*set_font_matrix) (void *cr, const cairo_matrix_t *matrix);
149 void (*get_font_matrix) (void *cr, cairo_matrix_t *matrix);
150 cairo_status_t (*set_font_options) (void *cr, const cairo_font_options_t *options);
151 void (*get_font_options) (void *cr, cairo_font_options_t *options);
152 cairo_status_t (*set_scaled_font) (void *cr, cairo_scaled_font_t *scaled_font);
153 cairo_scaled_font_t *(*get_scaled_font) (void *cr);
154 cairo_status_t (*font_extents) (void *cr, cairo_font_extents_t *extents);
156 cairo_status_t (*glyphs) (void *cr,
157 const cairo_glyph_t *glyphs, int num_glyphs,
158 cairo_glyph_text_info_t *info);
159 cairo_status_t (*glyph_path) (void *cr,
160 const cairo_glyph_t *glyphs, int num_glyphs);
162 cairo_status_t (*glyph_extents) (void *cr,
163 const cairo_glyph_t *glyphs,
165 cairo_text_extents_t *extents);
167 cairo_status_t (*copy_page) (void *cr);
168 cairo_status_t (*show_page) (void *cr);
171 #endif /* CAIRO_BACKEND_PRIVATE_H */