FreeRDP/libfreerdp-cache/nine_grid.c
2012-02-12 20:29:33 -05:00

131 lines
3.2 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* NineGrid Cache
*
* Copyright 2012 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/update.h>
#include <freerdp/freerdp.h>
#include <freerdp/utils/stream.h>
#include <freerdp/utils/memory.h>
#include <freerdp/cache/nine_grid.h>
void update_gdi_draw_nine_grid(rdpContext* context, DRAW_NINE_GRID_ORDER* draw_nine_grid)
{
rdpCache* cache = context->cache;
IFCALL(cache->nine_grid->DrawNineGrid, context, draw_nine_grid);
}
void update_gdi_multi_draw_nine_grid(rdpContext* context, MULTI_DRAW_NINE_GRID_ORDER* multi_draw_nine_grid)
{
rdpCache* cache = context->cache;
IFCALL(cache->nine_grid->MultiDrawNineGrid, context, multi_draw_nine_grid);
}
void nine_grid_cache_register_callbacks(rdpUpdate* update)
{
rdpCache* cache = update->context->cache;
cache->nine_grid->DrawNineGrid = update->primary->DrawNineGrid;
cache->nine_grid->MultiDrawNineGrid = update->primary->MultiDrawNineGrid;
update->primary->DrawNineGrid = update_gdi_draw_nine_grid;
update->primary->MultiDrawNineGrid = update_gdi_multi_draw_nine_grid;
}
void* nine_grid_cache_get(rdpNineGridCache* nine_grid, uint32 index)
{
void* entry;
if (index > nine_grid->maxEntries)
{
printf("invalid NineGrid index: 0x%04X\n", index);
return NULL;
}
entry = nine_grid->entries[index].entry;
if (entry == NULL)
{
printf("invalid NineGrid at index: 0x%04X\n", index);
return NULL;
}
return entry;
}
void nine_grid_cache_put(rdpNineGridCache* nine_grid, uint32 index, void* entry)
{
void* prevEntry;
if (index > nine_grid->maxEntries)
{
printf("invalid NineGrid index: 0x%04X\n", index);
return;
}
prevEntry = nine_grid->entries[index].entry;
if (prevEntry != NULL)
xfree(prevEntry);
nine_grid->entries[index].entry = entry;
}
rdpNineGridCache* nine_grid_cache_new(rdpSettings* settings)
{
rdpNineGridCache* nine_grid;
nine_grid = (rdpNineGridCache*) xzalloc(sizeof(rdpNineGridCache));
if (nine_grid != NULL)
{
nine_grid->settings = settings;
nine_grid->maxSize = 2560;
nine_grid->maxEntries = 256;
nine_grid->settings->draw_nine_grid_cache_size = nine_grid->maxSize;
nine_grid->settings->draw_nine_grid_cache_entries = nine_grid->maxEntries;
nine_grid->entries = (NINE_GRID_ENTRY*) xzalloc(sizeof(NINE_GRID_ENTRY) * nine_grid->maxEntries);
}
return nine_grid;
}
void nine_grid_cache_free(rdpNineGridCache* nine_grid)
{
int i;
if (nine_grid != NULL)
{
if (nine_grid->entries != NULL)
{
for (i = 0; i < (int) nine_grid->maxEntries; i++)
{
if (nine_grid->entries[i].entry != NULL)
xfree(nine_grid->entries[i].entry);
}
xfree(nine_grid->entries);
}
xfree(nine_grid);
}
}