source: mainline/uspace/lib/memgfx/private/memgc.h@ cea9f0c

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since cea9f0c was d8e2485, checked in by Jiri Svoboda <jiri@…>, 6 years ago

Library with memory-backed GC (a.k.a. software renderer)

There are a few current cases where we can use this common implementation
instead of re-implementing it every time (e.g. window GC, RFB,
Canvas GC) as well as future ones.

  • Property mode set to 100644
File size: 2.4 KB
RevLine 
[d8e2485]1/*
2 * Copyright (c) 2020 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 memory backend structure
34 *
35 */
36
37#ifndef _MEMGFX_PRIVATE_MEMGC_H
38#define _MEMGFX_PRIVATE_MEMGC_H
39
40#include <gfx/bitmap.h>
41#include <gfx/context.h>
42#include <gfx/coord.h>
43#include <io/pixel.h>
44
45/** Actual structure of memory GC. */
46struct mem_gc {
47 /** Base graphic context */
48 gfx_context_t *gc;
49 /** Bounding rectangle */
50 gfx_rect_t rect;
51 /** Update rectangle */
52 gfx_rect_t upd_rect;
53 /** Allocation info */
54 gfx_bitmap_alloc_t alloc;
55 /** Current drawing color */
56 pixel_t color;
57};
58
59/** Bitmap in memory GC */
60typedef struct {
61 /** Containing canvas GC */
62 struct mem_gc *mgc;
63 /** Allocation info */
64 gfx_bitmap_alloc_t alloc;
65 /** @c true if we allocated the bitmap, @c false if allocated by caller */
66 bool myalloc;
67 /** Rectangle covered by bitmap */
68 gfx_rect_t rect;
69 /** Bitmap flags */
70 gfx_bitmap_flags_t flags;
71 /** Key color */
72 pixel_t key_color;
73} mem_gc_bitmap_t;
74
75#endif
76
77/** @}
78 */
Note: See TracBrowser for help on using the repository browser.