Corentin Chary | 5136a05 | 2010-07-07 20:57:58 +0200 | [diff] [blame] | 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 | |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 32 | #include "qemu/queue.h" |
Corentin Chary | 5136a05 | 2010-07-07 20:57:58 +0200 | [diff] [blame] | 33 | |
| 34 | #define VNC_PALETTE_HASH_SIZE 256 |
Corentin Chary | e31e369 | 2011-02-04 09:05:58 +0100 | [diff] [blame] | 35 | #define VNC_PALETTE_MAX_SIZE 256 |
Corentin Chary | 5136a05 | 2010-07-07 20:57:58 +0200 | [diff] [blame] | 36 | |
| 37 | typedef struct VncPaletteEntry { |
| 38 | int idx; |
| 39 | uint32_t color; |
| 40 | QLIST_ENTRY(VncPaletteEntry) next; |
| 41 | } VncPaletteEntry; |
| 42 | |
| 43 | typedef struct VncPalette { |
Corentin Chary | e31e369 | 2011-02-04 09:05:58 +0100 | [diff] [blame] | 44 | VncPaletteEntry pool[VNC_PALETTE_MAX_SIZE]; |
Corentin Chary | 5136a05 | 2010-07-07 20:57:58 +0200 | [diff] [blame] | 45 | size_t size; |
| 46 | size_t max; |
| 47 | int bpp; |
| 48 | QLIST_HEAD(,VncPaletteEntry) table[VNC_PALETTE_HASH_SIZE]; |
| 49 | } VncPalette; |
| 50 | |
| 51 | VncPalette *palette_new(size_t max, int bpp); |
Corentin Chary | 72aefb7 | 2011-02-04 09:05:59 +0100 | [diff] [blame] | 52 | void palette_init(VncPalette *palette, size_t max, int bpp); |
Corentin Chary | 5136a05 | 2010-07-07 20:57:58 +0200 | [diff] [blame] | 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); |
Corentin Chary | f8562e3 | 2011-02-04 09:06:00 +0100 | [diff] [blame] | 62 | uint32_t palette_color(const VncPalette *palette, int idx, bool *found); |
| 63 | size_t palette_fill(const VncPalette *palette, |
| 64 | uint32_t colors[VNC_PALETTE_MAX_SIZE]); |
Corentin Chary | 5136a05 | 2010-07-07 20:57:58 +0200 | [diff] [blame] | 65 | |
| 66 | #endif /* VNC_PALETTE_H */ |