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1.1 root 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 <[email protected]>
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 "qlist.h"
33: #include "qemu-queue.h"
34: #include <stdint.h>
35:
36: #define VNC_PALETTE_HASH_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: QObject_HEAD;
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_destroy(VncPalette *palette);
54:
55: int palette_put(VncPalette *palette, uint32_t color);
56: int palette_idx(const VncPalette *palette, uint32_t color);
57: size_t palette_size(const VncPalette *palette);
58:
59: void palette_iter(const VncPalette *palette,
60: void (*iter)(int idx, uint32_t color, void *opaque),
61: void *opaque);
62:
63: #endif /* VNC_PALETTE_H */
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