quorum: Inline quorum_aio_cb()
[qemu.git] / ui / vnc-palette.h
1 /*
2 * QEMU VNC display driver: palette hash table
3 *
4 * From libvncserver/libvncserver/tight.c
5 * Copyright (C) 2000, 2001 Const Kaplinsky. All Rights Reserved.
6 * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
7 *
8 * Copyright (C) 2010 Corentin Chary <corentin.chary@gmail.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 * THE SOFTWARE.
27 */
28
29 #ifndef VNC_PALETTE_H
30 #define VNC_PALETTE_H
31
32 #include "qapi/qmp/qlist.h"
33 #include "qemu/queue.h"
34
35 #define VNC_PALETTE_HASH_SIZE 256
36 #define VNC_PALETTE_MAX_SIZE 256
37
38 typedef struct VncPaletteEntry {
39 int idx;
40 uint32_t color;
41 QLIST_ENTRY(VncPaletteEntry) next;
42 } VncPaletteEntry;
43
44 typedef struct VncPalette {
45 VncPaletteEntry pool[VNC_PALETTE_MAX_SIZE];
46 size_t size;
47 size_t max;
48 int bpp;
49 QLIST_HEAD(,VncPaletteEntry) table[VNC_PALETTE_HASH_SIZE];
50 } VncPalette;
51
52 VncPalette *palette_new(size_t max, int bpp);
53 void palette_init(VncPalette *palette, size_t max, int bpp);
54 void palette_destroy(VncPalette *palette);
55
56 int palette_put(VncPalette *palette, uint32_t color);
57 int palette_idx(const VncPalette *palette, uint32_t color);
58 size_t palette_size(const VncPalette *palette);
59
60 void palette_iter(const VncPalette *palette,
61 void (*iter)(int idx, uint32_t color, void *opaque),
62 void *opaque);
63 uint32_t palette_color(const VncPalette *palette, int idx, bool *found);
64 size_t palette_fill(const VncPalette *palette,
65 uint32_t colors[VNC_PALETTE_MAX_SIZE]);
66
67 #endif /* VNC_PALETTE_H */