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Diffstat (limited to 'libs/cairo-1.16.0/src/cairo-damage.c')
-rw-r--r--libs/cairo-1.16.0/src/cairo-damage.c241
1 files changed, 0 insertions, 241 deletions
diff --git a/libs/cairo-1.16.0/src/cairo-damage.c b/libs/cairo-1.16.0/src/cairo-damage.c
deleted file mode 100644
index 97d9fe9..0000000
--- a/libs/cairo-1.16.0/src/cairo-damage.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * Copyright © 2012 Intel Corporation
- *
- * 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 Chris Wilson
- *
- * Contributor(s):
- * Chris Wilson <chris@chris-wilson.co.uk>
- */
-
-#include "cairoint.h"
-
-#include "cairo-damage-private.h"
-#include "cairo-region-private.h"
-
-static const cairo_damage_t __cairo_damage__nil = { CAIRO_STATUS_NO_MEMORY };
-
-cairo_damage_t *
-_cairo_damage_create_in_error (cairo_status_t status)
-{
- _cairo_error_throw (status);
- return (cairo_damage_t *) &__cairo_damage__nil;
-}
-
-cairo_damage_t *
-_cairo_damage_create (void)
-{
- cairo_damage_t *damage;
-
- damage = _cairo_malloc (sizeof (*damage));
- if (unlikely (damage == NULL)) {
- _cairo_error_throw(CAIRO_STATUS_NO_MEMORY);
- return (cairo_damage_t *) &__cairo_damage__nil;
- }
-
- damage->status = CAIRO_STATUS_SUCCESS;
- damage->region = NULL;
- damage->dirty = 0;
- damage->tail = &damage->chunks;
- damage->chunks.base = damage->boxes;
- damage->chunks.size = ARRAY_LENGTH(damage->boxes);
- damage->chunks.count = 0;
- damage->chunks.next = NULL;
-
- damage->remain = damage->chunks.size;
-
- return damage;
-}
-
-void
-_cairo_damage_destroy (cairo_damage_t *damage)
-{
- struct _cairo_damage_chunk *chunk, *next;
-
- if (damage == (cairo_damage_t *) &__cairo_damage__nil)
- return;
-
- for (chunk = damage->chunks.next; chunk != NULL; chunk = next) {
- next = chunk->next;
- free (chunk);
- }
- cairo_region_destroy (damage->region);
- free (damage);
-}
-
-static cairo_damage_t *
-_cairo_damage_add_boxes(cairo_damage_t *damage,
- const cairo_box_t *boxes,
- int count)
-{
- struct _cairo_damage_chunk *chunk;
- int n, size;
-
- TRACE ((stderr, "%s x%d\n", __FUNCTION__, count));
-
- if (damage == NULL)
- damage = _cairo_damage_create ();
- if (damage->status)
- return damage;
-
- damage->dirty += count;
-
- n = count;
- if (n > damage->remain)
- n = damage->remain;
-
- memcpy (damage->tail->base + damage->tail->count, boxes,
- n * sizeof (cairo_box_t));
-
- count -= n;
- damage->tail->count += n;
- damage->remain -= n;
-
- if (count == 0)
- return damage;
-
- size = 2 * damage->tail->size;
- if (size < count)
- size = (count + 64) & ~63;
-
- chunk = _cairo_malloc (sizeof (*chunk) + sizeof (cairo_box_t) * size);
- if (unlikely (chunk == NULL)) {
- _cairo_damage_destroy (damage);
- return (cairo_damage_t *) &__cairo_damage__nil;
- }
-
- chunk->next = NULL;
- chunk->base = (cairo_box_t *) (chunk + 1);
- chunk->size = size;
- chunk->count = count;
-
- damage->tail->next = chunk;
- damage->tail = chunk;
-
- memcpy (damage->tail->base, boxes + n,
- count * sizeof (cairo_box_t));
- damage->remain = size - count;
-
- return damage;
-}
-
-cairo_damage_t *
-_cairo_damage_add_box(cairo_damage_t *damage,
- const cairo_box_t *box)
-{
- TRACE ((stderr, "%s: (%d, %d),(%d, %d)\n", __FUNCTION__,
- box->p1.x, box->p1.y, box->p2.x, box->p2.y));
-
- return _cairo_damage_add_boxes(damage, box, 1);
-}
-
-cairo_damage_t *
-_cairo_damage_add_rectangle(cairo_damage_t *damage,
- const cairo_rectangle_int_t *r)
-{
- cairo_box_t box;
-
- TRACE ((stderr, "%s: (%d, %d)x(%d, %d)\n", __FUNCTION__,
- r->x, r->y, r->width, r->height));
-
- box.p1.x = r->x;
- box.p1.y = r->y;
- box.p2.x = r->x + r->width;
- box.p2.y = r->y + r->height;
-
- return _cairo_damage_add_boxes(damage, &box, 1);
-}
-
-cairo_damage_t *
-_cairo_damage_add_region (cairo_damage_t *damage,
- const cairo_region_t *region)
-{
- cairo_box_t *boxes;
- int nbox;
-
- TRACE ((stderr, "%s\n", __FUNCTION__));
-
- boxes = _cairo_region_get_boxes (region, &nbox);
- return _cairo_damage_add_boxes(damage, boxes, nbox);
-}
-
-cairo_damage_t *
-_cairo_damage_reduce (cairo_damage_t *damage)
-{
- cairo_box_t *free_boxes = NULL;
- cairo_box_t *boxes, *b;
- struct _cairo_damage_chunk *chunk, *last;
-
- TRACE ((stderr, "%s: dirty=%d\n", __FUNCTION__,
- damage ? damage->dirty : -1));
- if (damage == NULL || damage->status || !damage->dirty)
- return damage;
-
- if (damage->region) {
- cairo_region_t *region;
-
- region = damage->region;
- damage->region = NULL;
-
- damage = _cairo_damage_add_region (damage, region);
- cairo_region_destroy (region);
-
- if (unlikely (damage->status))
- return damage;
- }
-
- boxes = damage->tail->base;
- if (damage->dirty > damage->tail->size) {
- boxes = free_boxes = _cairo_malloc (damage->dirty * sizeof (cairo_box_t));
- if (unlikely (boxes == NULL)) {
- _cairo_damage_destroy (damage);
- return (cairo_damage_t *) &__cairo_damage__nil;
- }
-
- b = boxes;
- last = NULL;
- } else {
- b = boxes + damage->tail->count;
- last = damage->tail;
- }
-
- for (chunk = &damage->chunks; chunk != last; chunk = chunk->next) {
- memcpy (b, chunk->base, chunk->count * sizeof (cairo_box_t));
- b += chunk->count;
- }
-
- damage->region = _cairo_region_create_from_boxes (boxes, damage->dirty);
- free (free_boxes);
-
- if (unlikely (damage->region->status)) {
- _cairo_damage_destroy (damage);
- return (cairo_damage_t *) &__cairo_damage__nil;
- }
-
- damage->dirty = 0;
- return damage;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 13:41:37 +0000