/* 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 */ #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_warn cairo_int_status_t (*tag) (void *surface, cairo_bool_t begin, const char *tag_name, const char *attributes); }; 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 */