forked from KolibriOS/kolibrios
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2005 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Red Hat, Inc.
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*
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* Contributor(s):
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* Kristian Høgsberg <krh@redhat.com>
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*/
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#ifndef CAIRO_CLIP_PRIVATE_H
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#define CAIRO_CLIP_PRIVATE_H
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#include "cairo-types-private.h"
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#include "cairo-compiler-private.h"
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#include "cairo-path-fixed-private.h"
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#include "cairo-reference-count-private.h"
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extern const cairo_private cairo_rectangle_list_t _cairo_rectangles_nil;
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enum {
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CAIRO_CLIP_PATH_HAS_REGION = 0x1,
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CAIRO_CLIP_PATH_REGION_IS_UNSUPPORTED = 0x2,
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CAIRO_CLIP_PATH_IS_BOX = 0x4
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};
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struct _cairo_clip_path {
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cairo_reference_count_t ref_count;
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cairo_path_fixed_t path;
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cairo_fill_rule_t fill_rule;
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double tolerance;
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cairo_antialias_t antialias;
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cairo_clip_path_t *prev;
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cairo_rectangle_int_t extents;
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/* partial caches */
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unsigned int flags;
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cairo_region_t *region;
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cairo_surface_t *surface;
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};
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struct _cairo_clip {
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/* can be used as a cairo_hash_entry_t for live clips */
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cairo_clip_path_t *path;
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cairo_bool_t all_clipped;
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};
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cairo_private void
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_cairo_clip_init (cairo_clip_t *clip);
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cairo_private_no_warn cairo_clip_t *
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_cairo_clip_init_copy (cairo_clip_t *clip, cairo_clip_t *other);
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cairo_private cairo_status_t
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_cairo_clip_init_copy_transformed (cairo_clip_t *clip,
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cairo_clip_t *other,
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const cairo_matrix_t *matrix);
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cairo_private void
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_cairo_clip_reset (cairo_clip_t *clip);
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cairo_private cairo_bool_t
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_cairo_clip_equal (const cairo_clip_t *clip_a,
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const cairo_clip_t *clip_b);
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#define _cairo_clip_fini(clip) _cairo_clip_reset (clip)
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cairo_private cairo_status_t
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_cairo_clip_rectangle (cairo_clip_t *clip,
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const cairo_rectangle_int_t *rectangle);
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cairo_private cairo_status_t
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_cairo_clip_clip (cairo_clip_t *clip,
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const cairo_path_fixed_t *path,
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cairo_fill_rule_t fill_rule,
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double tolerance,
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cairo_antialias_t antialias);
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cairo_private cairo_status_t
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_cairo_clip_apply_clip (cairo_clip_t *clip,
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const cairo_clip_t *other);
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cairo_private const cairo_rectangle_int_t *
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_cairo_clip_get_extents (const cairo_clip_t *clip);
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cairo_private cairo_surface_t *
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_cairo_clip_get_surface (cairo_clip_t *clip, cairo_surface_t *dst, int *tx, int *ty);
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cairo_private cairo_status_t
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_cairo_clip_combine_with_surface (cairo_clip_t *clip,
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cairo_surface_t *dst,
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int dst_x, int dst_y);
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cairo_private cairo_int_status_t
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_cairo_clip_get_region (cairo_clip_t *clip,
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cairo_region_t **region);
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cairo_private cairo_int_status_t
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_cairo_clip_get_boxes (cairo_clip_t *clip,
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cairo_box_t **boxes,
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int *count);
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cairo_private cairo_status_t
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_cairo_clip_to_boxes (cairo_clip_t **clip,
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cairo_composite_rectangles_t *extents,
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cairo_box_t **boxes,
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int *num_boxes);
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cairo_private cairo_bool_t
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_cairo_clip_contains_rectangle (cairo_clip_t *clip,
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const cairo_rectangle_int_t *rect);
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cairo_private cairo_bool_t
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_cairo_clip_contains_extents (cairo_clip_t *clip,
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const cairo_composite_rectangles_t *extents);
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cairo_private void
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_cairo_clip_drop_cache (cairo_clip_t *clip);
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cairo_private cairo_rectangle_list_t*
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_cairo_clip_copy_rectangle_list (cairo_clip_t *clip, cairo_gstate_t *gstate);
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#endif /* CAIRO_CLIP_PRIVATE_H */
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