| /* cairo - a vector graphics library with display and print output |
| * |
| * Copyright © 2002 University of Southern California |
| * Copyright © 2005 Red Hat, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it either under the terms of the GNU Lesser General Public |
| * License version 2.1 as published by the Free Software Foundation |
| * (the "LGPL") or, at your option, under the terms of the Mozilla |
| * Public License Version 1.1 (the "MPL"). If you do not alter this |
| * notice, a recipient may use your version of this file under either |
| * the MPL or the LGPL. |
| * |
| * You should have received a copy of the LGPL along with this library |
| * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
| * You should have received a copy of the MPL along with this library |
| * in the file COPYING-MPL-1.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License |
| * Version 1.1 (the "License"); you may not use this file except in |
| * compliance with the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
| * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
| * the specific language governing rights and limitations. |
| * |
| * The Original Code is the cairo graphics library. |
| * |
| * The Initial Developer of the Original Code is University of Southern |
| * California. |
| * |
| * Contributor(s): |
| * Carl D. Worth <cworth@cworth.org> |
| */ |
| |
| #ifndef CAIRO_SURFACE_BACKEND_PRIVATE_H |
| #define CAIRO_SURFACE_BACKEND_PRIVATE_H |
| |
| #include "cairo-compiler-private.h" |
| #include "cairo-error-private.h" |
| |
| CAIRO_BEGIN_DECLS |
| |
| struct _cairo_surface_backend { |
| cairo_surface_type_t type; |
| |
| cairo_warn cairo_status_t |
| (*finish) (void *surface); |
| |
| cairo_t * |
| (*create_context) (void *surface); |
| |
| cairo_surface_t * |
| (*create_similar) (void *surface, |
| cairo_content_t content, |
| int width, |
| int height); |
| cairo_surface_t * |
| (*create_similar_image) (void *surface, |
| cairo_format_t format, |
| int width, |
| int height); |
| |
| cairo_image_surface_t * |
| (*map_to_image) (void *surface, |
| const cairo_rectangle_int_t *extents); |
| cairo_int_status_t |
| (*unmap_image) (void *surface, |
| cairo_image_surface_t *image); |
| |
| cairo_surface_t * |
| (*source) (void *abstract_surface, |
| cairo_rectangle_int_t *extents); |
| |
| cairo_warn cairo_status_t |
| (*acquire_source_image) (void *abstract_surface, |
| cairo_image_surface_t **image_out, |
| void **image_extra); |
| |
| cairo_warn void |
| (*release_source_image) (void *abstract_surface, |
| cairo_image_surface_t *image_out, |
| void *image_extra); |
| |
| cairo_surface_t * |
| (*snapshot) (void *surface); |
| |
| cairo_warn cairo_int_status_t |
| (*copy_page) (void *surface); |
| |
| cairo_warn cairo_int_status_t |
| (*show_page) (void *surface); |
| |
| /* Get the extents of the current surface. For many surface types |
| * this will be as simple as { x=0, y=0, width=surface->width, |
| * height=surface->height}. |
| * |
| * If this function is not implemented, or if it returns |
| * FALSE the surface is considered to be |
| * boundless and infinite bounds are used for it. |
| */ |
| cairo_bool_t |
| (*get_extents) (void *surface, |
| cairo_rectangle_int_t *extents); |
| |
| void |
| (*get_font_options) (void *surface, |
| cairo_font_options_t *options); |
| |
| cairo_warn cairo_status_t |
| (*flush) (void *surface, |
| unsigned flags); |
| |
| cairo_warn cairo_status_t |
| (*mark_dirty_rectangle) (void *surface, |
| int x, |
| int y, |
| int width, |
| int height); |
| |
| cairo_warn cairo_int_status_t |
| (*paint) (void *surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| const cairo_clip_t *clip); |
| |
| cairo_warn cairo_int_status_t |
| (*mask) (void *surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| const cairo_pattern_t *mask, |
| const cairo_clip_t *clip); |
| |
| cairo_warn cairo_int_status_t |
| (*stroke) (void *surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| const cairo_path_fixed_t *path, |
| const cairo_stroke_style_t *style, |
| const cairo_matrix_t *ctm, |
| const cairo_matrix_t *ctm_inverse, |
| double tolerance, |
| cairo_antialias_t antialias, |
| const cairo_clip_t *clip); |
| |
| cairo_warn cairo_int_status_t |
| (*fill) (void *surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| const cairo_path_fixed_t *path, |
| cairo_fill_rule_t fill_rule, |
| double tolerance, |
| cairo_antialias_t antialias, |
| const cairo_clip_t *clip); |
| |
| cairo_warn cairo_int_status_t |
| (*fill_stroke) (void *surface, |
| cairo_operator_t fill_op, |
| const cairo_pattern_t *fill_source, |
| cairo_fill_rule_t fill_rule, |
| double fill_tolerance, |
| cairo_antialias_t fill_antialias, |
| const cairo_path_fixed_t*path, |
| cairo_operator_t stroke_op, |
| const cairo_pattern_t *stroke_source, |
| const cairo_stroke_style_t *stroke_style, |
| const cairo_matrix_t *stroke_ctm, |
| const cairo_matrix_t *stroke_ctm_inverse, |
| double stroke_tolerance, |
| cairo_antialias_t stroke_antialias, |
| const cairo_clip_t *clip); |
| |
| cairo_warn cairo_int_status_t |
| (*show_glyphs) (void *surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| cairo_glyph_t *glyphs, |
| int num_glyphs, |
| cairo_scaled_font_t *scaled_font, |
| const cairo_clip_t *clip); |
| |
| cairo_bool_t |
| (*has_show_text_glyphs) (void *surface); |
| |
| cairo_warn cairo_int_status_t |
| (*show_text_glyphs) (void *surface, |
| cairo_operator_t op, |
| const cairo_pattern_t *source, |
| const char *utf8, |
| int utf8_len, |
| cairo_glyph_t *glyphs, |
| int num_glyphs, |
| const cairo_text_cluster_t *clusters, |
| int num_clusters, |
| cairo_text_cluster_flags_t cluster_flags, |
| cairo_scaled_font_t *scaled_font, |
| const cairo_clip_t *clip); |
| |
| const char ** |
| (*get_supported_mime_types) (void *surface); |
| }; |
| |
| cairo_private cairo_status_t |
| _cairo_surface_default_acquire_source_image (void *surface, |
| cairo_image_surface_t **image_out, |
| void **image_extra); |
| |
| cairo_private void |
| _cairo_surface_default_release_source_image (void *surface, |
| cairo_image_surface_t *image, |
| void *image_extra); |
| |
| cairo_private cairo_surface_t * |
| _cairo_surface_default_source (void *surface, |
| cairo_rectangle_int_t *extents); |
| |
| CAIRO_END_DECLS |
| |
| #endif /* CAIRO_SURFACE_BACKEND_PRIVATE_H */ |