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-rw-r--r--Build/source/libs/cairo/cairo-src/src/cairo-surface-clipper.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/Build/source/libs/cairo/cairo-src/src/cairo-surface-clipper.c b/Build/source/libs/cairo/cairo-src/src/cairo-surface-clipper.c
deleted file mode 100644
index 5309362c68f..00000000000
--- a/Build/source/libs/cairo/cairo-src/src/cairo-surface-clipper.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/* cairo - a vector graphics library with display and print output
- *
- * Copyright © 2009 Chris Wilson
- *
- * 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):
- * Chris Wilson <chris@chris-wilson.co.uk>
- */
-
-#include "cairoint.h"
-
-#include "cairo-clip-inline.h"
-#include "cairo-surface-clipper-private.h"
-
-/* A collection of routines to facilitate vector surface clipping */
-
-/* XXX Eliminate repeated paths and nested clips */
-
-static cairo_status_t
-_cairo_path_fixed_add_box (cairo_path_fixed_t *path,
- const cairo_box_t *box)
-{
- cairo_status_t status;
-
- status = _cairo_path_fixed_move_to (path, box->p1.x, box->p1.y);
- if (unlikely (status))
- return status;
-
- status = _cairo_path_fixed_line_to (path, box->p2.x, box->p1.y);
- if (unlikely (status))
- return status;
-
- status = _cairo_path_fixed_line_to (path, box->p2.x, box->p2.y);
- if (unlikely (status))
- return status;
-
- status = _cairo_path_fixed_line_to (path, box->p1.x, box->p2.y);
- if (unlikely (status))
- return status;
-
- return _cairo_path_fixed_close_path (path);
-}
-
-static cairo_status_t
-_cairo_surface_clipper_intersect_clip_boxes (cairo_surface_clipper_t *clipper,
- const cairo_clip_t *clip)
-{
- cairo_path_fixed_t path;
- cairo_status_t status;
- int i;
-
- if (clip->num_boxes == 0)
- return CAIRO_STATUS_SUCCESS;
-
- /* Reconstruct the path for the clip boxes.
- * XXX maybe a new clipper callback?
- */
-
- _cairo_path_fixed_init (&path);
- for (i = 0; i < clip->num_boxes; i++) {
- status = _cairo_path_fixed_add_box (&path, &clip->boxes[i]);
- if (unlikely (status)) {
- _cairo_path_fixed_fini (&path);
- return status;
- }
- }
-
- status = clipper->intersect_clip_path (clipper, &path,
- CAIRO_FILL_RULE_WINDING,
- 0.,
- CAIRO_ANTIALIAS_DEFAULT);
- _cairo_path_fixed_fini (&path);
-
- return status;
-}
-
-static cairo_status_t
-_cairo_surface_clipper_intersect_clip_path_recursive (cairo_surface_clipper_t *clipper,
- cairo_clip_path_t *clip_path,
- cairo_clip_path_t *end)
-{
- cairo_status_t status;
-
- if (clip_path->prev != end) {
- status =
- _cairo_surface_clipper_intersect_clip_path_recursive (clipper,
- clip_path->prev,
- end);
- if (unlikely (status))
- return status;
- }
-
- return clipper->intersect_clip_path (clipper,
- &clip_path->path,
- clip_path->fill_rule,
- clip_path->tolerance,
- clip_path->antialias);
-}
-
-cairo_status_t
-_cairo_surface_clipper_set_clip (cairo_surface_clipper_t *clipper,
- const cairo_clip_t *clip)
-{
- cairo_status_t status;
- cairo_bool_t incremental = FALSE;
-
- if (_cairo_clip_equal (clip, clipper->clip))
- return CAIRO_STATUS_SUCCESS;
-
- /* all clipped out state should never propagate this far */
- assert (!_cairo_clip_is_all_clipped (clip));
-
- /* XXX Is this an incremental clip? */
- if (clipper->clip && clip &&
- clip->num_boxes == clipper->clip->num_boxes &&
- memcmp (clip->boxes, clipper->clip->boxes,
- sizeof (cairo_box_t) * clip->num_boxes) == 0)
- {
- cairo_clip_path_t *clip_path = clip->path;
- while (clip_path != NULL && clip_path != clipper->clip->path)
- clip_path = clip_path->prev;
-
- if (clip_path) {
- incremental = TRUE;
- status = _cairo_surface_clipper_intersect_clip_path_recursive (clipper,
- clip->path,
- clipper->clip->path);
- }
- }
-
- _cairo_clip_destroy (clipper->clip);
- clipper->clip = _cairo_clip_copy (clip);
-
- if (incremental)
- return status;
-
- status = clipper->intersect_clip_path (clipper, NULL, 0, 0, 0);
- if (unlikely (status))
- return status;
-
- if (clip == NULL)
- return CAIRO_STATUS_SUCCESS;
-
- status = _cairo_surface_clipper_intersect_clip_boxes (clipper, clip);
- if (unlikely (status))
- return status;
-
- if (clip->path != NULL) {
- status = _cairo_surface_clipper_intersect_clip_path_recursive (clipper,
- clip->path,
- NULL);
- }
-
- return status;
-}
-
-void
-_cairo_surface_clipper_init (cairo_surface_clipper_t *clipper,
- cairo_surface_clipper_intersect_clip_path_func_t func)
-{
- clipper->clip = NULL;
- clipper->intersect_clip_path = func;
-}
-
-void
-_cairo_surface_clipper_reset (cairo_surface_clipper_t *clipper)
-{
- _cairo_clip_destroy (clipper->clip);
- clipper->clip = NULL;
-}