source: mainline/uspace/lib/guigfx/private/canvas.h@ 0ee3157

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 0ee3157 was f8375f7, checked in by Jiri Svoboda <jiri@…>, 5 years ago

Communicate memory GC updates via callback function

This is what we want in most use cases. Allows us to expose memory GC
ops directly without interposing on them (greatly simplifying the code).
The previous behavior is easily achieved by supplying the right callback
function.

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2019 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libguigfx
30 * @{
31 */
32/**
33 * @file GFX canvas backend structure
34 *
35 */
36
37#ifndef _GUIGFX_PRIVATE_CANVAS_H
38#define _GUIGFX_PRIVATE_CANVAS_H
39
40#include <canvas.h>
41#include <draw/surface.h>
42#include <gfx/bitmap.h>
43#include <gfx/context.h>
44#include <gfx/coord.h>
45#include <io/pixel.h>
46#include <memgfx/memgc.h>
47
48/** Actual structure of canvas GC. */
49struct canvas_gc {
50 /** Memory GC */
51 mem_gc_t *mgc;
52 /** Base graphic context */
53 gfx_context_t *gc;
54 /** Canvas */
55 canvas_t *canvas;
56 /** Surface */
57 surface_t *surface;
58};
59
60#endif
61
62/** @}
63 */
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