| /* 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., 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 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" |
| |
| extern const cairo_private cairo_rectangle_list_t _cairo_rectangles_nil; |
| |
| enum { |
| CAIRO_CLIP_PATH_HAS_REGION = 0x1, |
| CAIRO_CLIP_PATH_REGION_IS_UNSUPPORTED = 0x2, |
| CAIRO_CLIP_PATH_IS_BOX = 0x4 |
| }; |
| |
| 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; |
| |
| cairo_rectangle_int_t extents; |
| |
| /* partial caches */ |
| unsigned int flags; |
| cairo_region_t *region; |
| cairo_surface_t *surface; |
| }; |
| |
| struct _cairo_clip { |
| /* can be used as a cairo_hash_entry_t for live clips */ |
| cairo_clip_path_t *path; |
| |
| cairo_bool_t all_clipped; |
| |
| }; |
| |
| cairo_private void |
| _cairo_clip_init (cairo_clip_t *clip); |
| |
| cairo_private_no_warn cairo_clip_t * |
| _cairo_clip_init_copy (cairo_clip_t *clip, cairo_clip_t *other); |
| |
| cairo_private cairo_status_t |
| _cairo_clip_init_copy_transformed (cairo_clip_t *clip, |
| cairo_clip_t *other, |
| const cairo_matrix_t *matrix); |
| |
| cairo_private void |
| _cairo_clip_reset (cairo_clip_t *clip); |
| |
| cairo_private cairo_bool_t |
| _cairo_clip_equal (const cairo_clip_t *clip_a, |
| const cairo_clip_t *clip_b); |
| |
| #define _cairo_clip_fini(clip) _cairo_clip_reset (clip) |
| |
| cairo_private cairo_status_t |
| _cairo_clip_rectangle (cairo_clip_t *clip, |
| const cairo_rectangle_int_t *rectangle); |
| |
| cairo_private cairo_status_t |
| _cairo_clip_clip (cairo_clip_t *clip, |
| const cairo_path_fixed_t *path, |
| cairo_fill_rule_t fill_rule, |
| double tolerance, |
| cairo_antialias_t antialias); |
| |
| cairo_private cairo_status_t |
| _cairo_clip_apply_clip (cairo_clip_t *clip, |
| const cairo_clip_t *other); |
| |
| cairo_private const cairo_rectangle_int_t * |
| _cairo_clip_get_extents (const cairo_clip_t *clip); |
| |
| cairo_private cairo_surface_t * |
| _cairo_clip_get_surface (cairo_clip_t *clip, cairo_surface_t *dst, int *tx, int *ty); |
| |
| cairo_private cairo_status_t |
| _cairo_clip_combine_with_surface (cairo_clip_t *clip, |
| cairo_surface_t *dst, |
| int dst_x, int dst_y); |
| |
| cairo_private cairo_int_status_t |
| _cairo_clip_get_region (cairo_clip_t *clip, |
| cairo_region_t **region); |
| |
| cairo_private cairo_int_status_t |
| _cairo_clip_get_boxes (cairo_clip_t *clip, |
| cairo_box_t **boxes, |
| int *count); |
| |
| cairo_private cairo_status_t |
| _cairo_clip_to_boxes (cairo_clip_t **clip, |
| cairo_composite_rectangles_t *extents, |
| cairo_box_t **boxes, |
| int *num_boxes); |
| |
| cairo_private cairo_bool_t |
| _cairo_clip_contains_rectangle (cairo_clip_t *clip, |
| const cairo_rectangle_int_t *rect); |
| |
| cairo_private cairo_bool_t |
| _cairo_clip_contains_extents (cairo_clip_t *clip, |
| const cairo_composite_rectangles_t *extents); |
| |
| cairo_private void |
| _cairo_clip_drop_cache (cairo_clip_t *clip); |
| |
| cairo_private cairo_rectangle_list_t* |
| _cairo_clip_copy_rectangle_list (cairo_clip_t *clip, cairo_gstate_t *gstate); |
| |
| #endif /* CAIRO_CLIP_PRIVATE_H */ |