/* cairo - a vector graphics library with display and print output * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 Red Hat, Inc. * * Contributor(s): * Kristian Høgsberg <krh@redhat.com> */ #ifndef CAIRO_CLIP_PRIVATE_H #define CAIRO_CLIP_PRIVATE_H #include "cairo-types-private.h" #include "cairo-compiler-private.h" #include "cairo-path-fixed-private.h" #include "cairo-reference-count-private.h" #include "cairo-region-private.h" extern const cairo_private cairo_rectangle_list_t _cairo_rectangles_nil; struct _cairo_clip_path { cairo_reference_count_t ref_count; cairo_path_fixed_t path; cairo_fill_rule_t fill_rule; double tolerance; cairo_antialias_t antialias; cairo_clip_path_t *prev; }; struct _cairo_clip { cairo_clip_mode_t mode; cairo_bool_t all_clipped; /* * Mask-based clipping for cases where the backend * clipping isn't sufficiently able. * * The rectangle here represents the * portion of the destination surface that this * clip surface maps to, it does not * represent the extents of the clip region or * clip paths */ cairo_surface_t *surface; cairo_rectangle_int_t surface_rect; /* * Surface clip serial number to store * in the surface when this clip is set */ unsigned int serial; /* * A clip region that can be placed in the surface */ cairo_region_t region; cairo_bool_t has_region; /* * If the surface supports path clipping, we store the list of * clipping paths that has been set here as a linked list. */ cairo_clip_path_t *path; }; cairo_private void _cairo_clip_init (cairo_clip_t *clip, cairo_surface_t *target); cairo_private cairo_status_t _cairo_clip_init_copy (cairo_clip_t *clip, cairo_clip_t *other); cairo_private cairo_status_t _cairo_clip_init_deep_copy (cairo_clip_t *clip, cairo_clip_t *other, cairo_surface_t *target); cairo_private void _cairo_clip_reset (cairo_clip_t *clip); cairo_private cairo_status_t _cairo_clip_clip (cairo_clip_t *clip, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, cairo_surface_t *target); cairo_private cairo_status_t _cairo_clip_intersect_to_rectangle (cairo_clip_t *clip, cairo_rectangle_int_t *rectangle); cairo_private cairo_status_t _cairo_clip_intersect_to_region (cairo_clip_t *clip, cairo_region_t *region); cairo_private cairo_status_t _cairo_clip_combine_to_surface (cairo_clip_t *clip, cairo_operator_t op, cairo_surface_t *dst, int dst_x, int dst_y, const cairo_rectangle_int_t *extents); cairo_private void _cairo_clip_translate (cairo_clip_t *clip, cairo_fixed_t tx, cairo_fixed_t ty); cairo_private cairo_rectangle_list_t* _cairo_clip_copy_rectangle_list (cairo_clip_t *clip, cairo_gstate_t *gstate); #endif /* CAIRO_CLIP_PRIVATE_H */