FreeRDP/libfreerdp/rail/icon.c
2013-10-15 22:42:07 -04:00

124 lines
2.8 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Window Icon Cache
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/stream.h>
#include <freerdp/rail/icon.h>
ICON_INFO* icon_cache_get(rdpIconCache* cache, BYTE id, UINT16 index, void** extra)
{
ICON_INFO* entry;
if (id >= cache->numCaches)
{
fprintf(stderr, "invalid window icon cache id:%d\n", id);
return (ICON_INFO*) NULL;
}
if (index >= cache->numCacheEntries)
{
fprintf(stderr, "invalid window icon cache index:%d in cache id:%d\n", index, id);
return (ICON_INFO*) NULL;
}
entry = cache->caches[id].entries[index].entry;
if (extra)
*extra = cache->caches[id].entries[index].extra;
return entry;
}
void icon_cache_put(rdpIconCache* cache, BYTE id, UINT16 index, ICON_INFO* entry, void* extra)
{
if (id >= cache->numCaches)
{
fprintf(stderr, "invalid window icon cache id:%d\n", id);
return;
}
if (index >= cache->numCacheEntries)
{
fprintf(stderr, "invalid window icon cache index:%d in cache id:%d\n", index, id);
return;
}
cache->caches[id].entries[index].entry = entry;
if (extra != NULL)
cache->caches[id].entries[index].extra = extra;
}
rdpIconCache* icon_cache_new(rdpRail* rail)
{
rdpIconCache* cache;
cache = (rdpIconCache*) malloc(sizeof(rdpIconCache));
if (cache != NULL)
{
int i;
ZeroMemory(cache, sizeof(rdpIconCache));
cache->rail = rail;
cache->numCaches = (BYTE) rail->settings->RemoteAppNumIconCacheEntries;
cache->numCacheEntries = rail->settings->RemoteAppNumIconCacheEntries;
cache->caches = malloc(cache->numCaches * sizeof(WINDOW_ICON_CACHE));
ZeroMemory(cache->caches, cache->numCaches * sizeof(WINDOW_ICON_CACHE));
for (i = 0; i < cache->numCaches; i++)
{
if (cache->numCacheEntries)
{
cache->caches[i].entries = malloc(cache->numCacheEntries * sizeof(rdpIcon));
ZeroMemory(cache->caches[i].entries, cache->numCacheEntries * sizeof(rdpIcon));
}
}
}
return cache;
}
void icon_cache_free(rdpIconCache* cache)
{
if (cache)
{
int i;
for (i = 0; i < cache->numCaches; i++)
{
free(cache->caches[i].entries);
}
free(cache->caches);
free(cache);
}
}