FreeRDP/libfreerdp-cache/color_table.c
2011-10-11 18:51:45 -04:00

84 lines
1.9 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Color Table 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.
*/
#include <freerdp/utils/stream.h>
#include <freerdp/utils/memory.h>
#include <freerdp/cache/color_table.h>
void* color_table_get(rdpColorTableCache* color_table, uint8 index)
{
void* entry;
if (index > color_table->maxEntries)
{
printf("invalid color table index: 0x%04X\n", index);
return NULL;
}
entry = color_table->entries[index].entry;
if (entry == NULL)
{
printf("invalid color table at index: 0x%04X\n", index);
return NULL;
}
return entry;
}
void color_table_put(rdpColorTableCache* color_table, uint8 index, void* entry)
{
if (index > color_table->maxEntries)
{
printf("invalid color table index: 0x%04X\n", index);
return;
}
color_table->entries[index].entry = entry;
}
rdpColorTableCache* color_table_cache_new(rdpSettings* settings)
{
rdpColorTableCache* color_table;
color_table = (rdpColorTableCache*) xzalloc(sizeof(rdpColorTableCache));
if (color_table != NULL)
{
color_table->settings = settings;
color_table->maxEntries = 6;
color_table->entries = (COLOR_TABLE_ENTRY*) xzalloc(sizeof(COLOR_TABLE_ENTRY) * color_table->maxEntries);
}
return color_table;
}
void color_table_cache_free(rdpColorTableCache* color_table)
{
if (color_table != NULL)
{
xfree(color_table->entries);
xfree(color_table);
}
}