FreeRDP/server/shadow/shadow_surface.c

55 lines
1.4 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
*
* Copyright 2014 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 "shadow_surface.h"
rdpShadowSurface* shadow_surface_new(rdpShadowServer* server, int width, int height)
{
rdpShadowSurface* surface;
surface = (rdpShadowSurface*) calloc(1, sizeof(rdpShadowSurface));
if (!surface)
return NULL;
surface->server = server;
surface->width = width;
surface->height = height;
surface->scanline = (surface->width + (surface->width % 4)) * 4;
surface->data = (BYTE*) malloc(surface->scanline * surface->height);
if (!surface->data)
return NULL;
ZeroMemory(surface->data, surface->scanline * surface->height);
return surface;
}
void shadow_surface_free(rdpShadowSurface* surface)
{
if (!surface)
return;
}