FreeRDP/libfreerdp-cache/bitmap_v2.c
2011-08-05 16:56:40 -04:00

128 lines
3.2 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Bitmap Cache V2
*
* 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 "bitmap_v2.h"
void* bitmap_v2_get(rdpBitmapV2* bitmap_v2, uint8 id, uint16 index)
{
void* entry;
if (index > bitmap_v2->maxCells)
{
printf("invalid bitmap_v2 cell id: %d\n", id);
return NULL;
}
if (index > bitmap_v2->cells[id].number)
{
printf("invalid bitmap_v2 index %d in cell id: %d\n", index, id);
return NULL;
}
entry = bitmap_v2->cells[id].entries[index].entry;
if (entry == NULL)
{
printf("invalid bitmap_v2 at index %d in cell id: %d\n", index, id);
return NULL;
}
return entry;
}
void bitmap_v2_put(rdpBitmapV2* bitmap_v2, uint8 id, uint16 index, void* entry)
{
if (id > bitmap_v2->maxCells)
{
printf("invalid bitmap_v2 cell id: %d\n", id);
return;
}
if (index > bitmap_v2->cells[id].number)
{
printf("invalid bitmap_v2 index %d in cell id: %d\n", index, id);
return;
}
bitmap_v2->cells[id].entries[index].entry = entry;
}
rdpBitmapV2* bitmap_v2_new(rdpSettings* settings)
{
int i;
rdpBitmapV2* bitmap_v2;
bitmap_v2 = (rdpBitmapV2*) xzalloc(sizeof(rdpBitmapV2));
if (bitmap_v2 != NULL)
{
bitmap_v2->settings = settings;
bitmap_v2->maxCells = 5;
settings->bitmap_cache = True;
settings->bitmapCacheV2NumCells = 5;
settings->bitmapCacheV2CellInfo[0].numEntries = 600;
settings->bitmapCacheV2CellInfo[0].persistent = False;
settings->bitmapCacheV2CellInfo[1].numEntries = 600;
settings->bitmapCacheV2CellInfo[1].persistent = False;
settings->bitmapCacheV2CellInfo[2].numEntries = 2048;
settings->bitmapCacheV2CellInfo[2].persistent = False;
settings->bitmapCacheV2CellInfo[3].numEntries = 4096;
settings->bitmapCacheV2CellInfo[3].persistent = False;
settings->bitmapCacheV2CellInfo[4].numEntries = 2048;
settings->bitmapCacheV2CellInfo[4].persistent = False;
bitmap_v2->cells = (BITMAP_V2_CELL*) xzalloc(sizeof(BITMAP_V2_CELL) * bitmap_v2->maxCells);
for (i = 0; i < bitmap_v2->maxCells; i++)
{
bitmap_v2->cells[i].number = settings->bitmapCacheV2CellInfo[i].numEntries;
bitmap_v2->cells[i].entries = (BITMAP_V2_ENTRY*) xzalloc(sizeof(BITMAP_V2_ENTRY) * bitmap_v2->cells[i].number);
}
}
return bitmap_v2;
}
void bitmap_v2_free(rdpBitmapV2* bitmap_v2)
{
int i, j;
if (bitmap_v2 != NULL)
{
for (i = 0; i < bitmap_v2->maxCells; i++)
{
for (j = 0; j < bitmap_v2->cells[i].number; j++)
{
if (bitmap_v2->cells[i].entries[j].entry != NULL)
xfree(bitmap_v2->cells[i].entries[j].entry);
}
xfree(bitmap_v2->cells[i].entries);
}
xfree(bitmap_v2->cells);
xfree(bitmap_v2);
}
}