FreeRDP/libfreerdp-cache/pointer.c
2011-12-03 17:24:18 -05:00

157 lines
4.0 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Glyph 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/pointer.h>
void update_pointer_position(rdpContext* context, POINTER_POSITION_UPDATE* pointer_position)
{
}
void update_pointer_system(rdpContext* context, POINTER_SYSTEM_UPDATE* pointer_system)
{
}
void update_pointer_color(rdpContext* context, POINTER_COLOR_UPDATE* pointer_color)
{
}
void update_pointer_new(rdpContext* context, POINTER_NEW_UPDATE* pointer_new)
{
rdpPointer* pointer;
rdpCache* cache = context->cache;
pointer = Pointer_Alloc(context);
if (pointer != NULL)
{
pointer->xorBpp = pointer_new->xorBpp;
pointer->xPos = pointer_new->colorPtrAttr.xPos;
pointer->yPos = pointer_new->colorPtrAttr.yPos;
pointer->width = pointer_new->colorPtrAttr.width;
pointer->height = pointer_new->colorPtrAttr.height;
pointer->lengthAndMask = pointer_new->colorPtrAttr.lengthAndMask;
pointer->lengthXorMask = pointer_new->colorPtrAttr.lengthXorMask;
pointer->xorMaskData = pointer_new->colorPtrAttr.xorMaskData;
pointer->andMaskData = pointer_new->colorPtrAttr.andMaskData;
pointer->New(context, pointer);
pointer_cache_put(cache->pointer, pointer_new->colorPtrAttr.cacheIndex, pointer);
Pointer_Set(context, pointer);
}
}
void update_pointer_cached(rdpContext* context, POINTER_CACHED_UPDATE* pointer_cached)
{
rdpPointer* pointer;
rdpCache* cache = context->cache;
pointer = pointer_cache_get(cache->pointer, pointer_cached->cacheIndex);
Pointer_Set(context, pointer);
}
rdpPointer* pointer_cache_get(rdpPointerCache* pointer_cache, uint32 index)
{
rdpPointer* pointer;
if (index >= pointer_cache->cacheSize)
{
printf("invalid pointer index:%d\n", index);
return NULL;
}
pointer = pointer_cache->entries[index];
return pointer;
}
void pointer_cache_put(rdpPointerCache* pointer_cache, uint32 index, rdpPointer* pointer)
{
if (index >= pointer_cache->cacheSize)
{
printf("invalid pointer index:%d\n", index);
return;
}
pointer_cache->entries[index] = pointer;
}
void pointer_cache_register_callbacks(rdpUpdate* update)
{
rdpPointerUpdate* pointer = update->pointer;
pointer->PointerPosition = update_pointer_position;
pointer->PointerSystem = update_pointer_system;
pointer->PointerColor = update_pointer_color;
pointer->PointerNew = update_pointer_new;
pointer->PointerCached = update_pointer_cached;
}
rdpPointerCache* pointer_cache_new(rdpSettings* settings)
{
rdpPointerCache* pointer_cache;
pointer_cache = (rdpPointerCache*) xzalloc(sizeof(rdpPointerCache));
if (pointer_cache != NULL)
{
pointer_cache->settings = settings;
pointer_cache->cacheSize = settings->pointer_cache_size;
pointer_cache->update = ((freerdp*) settings->instance)->update;
pointer_cache->entries = xzalloc(sizeof(rdpPointer**) * pointer_cache->cacheSize);
}
return pointer_cache;
}
void pointer_cache_free(rdpPointerCache* pointer_cache)
{
if (pointer_cache != NULL)
{
int i;
rdpPointer* pointer;
for (i = 0; i < (int) pointer_cache->cacheSize; i++)
{
pointer = pointer_cache->entries[i];
if (pointer != NULL)
{
pointer->Free(pointer_cache->update->context, pointer);
if (pointer->xorMaskData != NULL)
xfree(pointer->xorMaskData);
if (pointer->andMaskData != NULL)
xfree(pointer->andMaskData);
xfree(pointer);
}
}
xfree(pointer_cache->entries);
xfree(pointer_cache);
}
}