diff options
Diffstat (limited to 'qemu/ui/vnc-palette.c')
| -rw-r--r-- | qemu/ui/vnc-palette.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/qemu/ui/vnc-palette.c b/qemu/ui/vnc-palette.c deleted file mode 100644 index 3b89d1af2..000000000 --- a/qemu/ui/vnc-palette.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * QEMU VNC display driver: palette hash table - * - * From libvncserver/libvncserver/tight.c - * Copyright (C) 2000, 2001 Const Kaplinsky. All Rights Reserved. - * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved. - * - * Copyright (C) 2010 Corentin Chary <corentin.chary@gmail.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "vnc-palette.h" -#include <glib.h> - -static VncPaletteEntry *palette_find(const VncPalette *palette, - uint32_t color, unsigned int hash) -{ - VncPaletteEntry *entry; - - QLIST_FOREACH(entry, &palette->table[hash], next) { - if (entry->color == color) { - return entry; - } - } - - return NULL; -} - -static unsigned int palette_hash(uint32_t rgb, int bpp) -{ - if (bpp == 16) { - return ((unsigned int)(((rgb >> 8) + rgb) & 0xFF)); - } else { - return ((unsigned int)(((rgb >> 16) + (rgb >> 8)) & 0xFF)); - } -} - -VncPalette *palette_new(size_t max, int bpp) -{ - VncPalette *palette; - - palette = g_malloc0(sizeof(*palette)); - palette_init(palette, max, bpp); - return palette; -} - -void palette_init(VncPalette *palette, size_t max, int bpp) -{ - memset(palette, 0, sizeof (*palette)); - palette->max = max; - palette->bpp = bpp; -} - -void palette_destroy(VncPalette *palette) -{ - g_free(palette); -} - -int palette_put(VncPalette *palette, uint32_t color) -{ - unsigned int hash; - unsigned int idx = palette->size; - VncPaletteEntry *entry; - - hash = palette_hash(color, palette->bpp) % VNC_PALETTE_HASH_SIZE; - entry = palette_find(palette, color, hash); - - if (!entry && palette->size >= palette->max) { - return 0; - } - if (!entry) { - VncPaletteEntry *entry; - - entry = &palette->pool[palette->size]; - entry->color = color; - entry->idx = idx; - QLIST_INSERT_HEAD(&palette->table[hash], entry, next); - palette->size++; - } - return palette->size; -} - -int palette_idx(const VncPalette *palette, uint32_t color) -{ - VncPaletteEntry *entry; - unsigned int hash; - - hash = palette_hash(color, palette->bpp) % VNC_PALETTE_HASH_SIZE; - entry = palette_find(palette, color, hash); - return (entry == NULL ? -1 : entry->idx); -} - -size_t palette_size(const VncPalette *palette) -{ - return palette->size; -} - -void palette_iter(const VncPalette *palette, - void (*iter)(int idx, uint32_t color, void *opaque), - void *opaque) -{ - int i; - VncPaletteEntry *entry; - - for (i = 0; i < VNC_PALETTE_HASH_SIZE; i++) { - QLIST_FOREACH(entry, &palette->table[i], next) { - iter(entry->idx, entry->color, opaque); - } - } -} - -uint32_t palette_color(const VncPalette *palette, int idx, bool *found) -{ - int i; - VncPaletteEntry *entry; - - for (i = 0; i < VNC_PALETTE_HASH_SIZE; i++) { - QLIST_FOREACH(entry, &palette->table[i], next) { - if (entry->idx == idx) { - *found = true; - return entry->color; - } - } - } - - *found = false; - return -1; -} - -static void palette_fill_cb(int idx, uint32_t color, void *opaque) -{ - uint32_t *colors = opaque; - - colors[idx] = color; -} - -size_t palette_fill(const VncPalette *palette, - uint32_t colors[VNC_PALETTE_MAX_SIZE]) -{ - palette_iter(palette, palette_fill_cb, colors); - return palette_size(palette); -} |