FreeRDP/server/shadow/shadow_screen.c
2024-02-15 11:49:16 +01:00

164 lines
4.0 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.
*/
#include <freerdp/config.h>
#include <winpr/assert.h>
#include "shadow_surface.h"
#include "shadow_screen.h"
#include "shadow_lobby.h"
rdpShadowScreen* shadow_screen_new(rdpShadowServer* server)
{
WINPR_ASSERT(server);
WINPR_ASSERT(server->subsystem);
rdpShadowScreen* screen = (rdpShadowScreen*)calloc(1, sizeof(rdpShadowScreen));
if (!screen)
goto fail;
screen->server = server;
rdpShadowSubsystem* subsystem = server->subsystem;
if (!InitializeCriticalSectionAndSpinCount(&(screen->lock), 4000))
goto fail;
region16_init(&(screen->invalidRegion));
WINPR_ASSERT(subsystem->selectedMonitor < ARRAYSIZE(subsystem->monitors));
const MONITOR_DEF* primary = &(subsystem->monitors[subsystem->selectedMonitor]);
WINPR_ASSERT(primary);
INT64 x = primary->left;
INT64 y = primary->top;
INT64 width = primary->right - primary->left + 1;
INT64 height = primary->bottom - primary->top + 1;
WINPR_ASSERT(x >= 0);
WINPR_ASSERT(x <= UINT16_MAX);
WINPR_ASSERT(y >= 0);
WINPR_ASSERT(y <= UINT16_MAX);
WINPR_ASSERT(width >= 0);
WINPR_ASSERT(width <= UINT16_MAX);
WINPR_ASSERT(height >= 0);
WINPR_ASSERT(height <= UINT16_MAX);
screen->width = (UINT16)width;
screen->height = (UINT16)height;
screen->primary =
shadow_surface_new(server, (UINT16)x, (UINT16)y, (UINT16)width, (UINT16)height);
if (!screen->primary)
goto fail;
server->surface = screen->primary;
screen->lobby = shadow_surface_new(server, (UINT16)x, (UINT16)y, (UINT16)width, (UINT16)height);
if (!screen->lobby)
goto fail;
server->lobby = screen->lobby;
if (!shadow_client_init_lobby(server))
goto fail;
return screen;
fail:
WINPR_PRAGMA_DIAG_PUSH
WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
shadow_screen_free(screen);
WINPR_PRAGMA_DIAG_POP
return NULL;
}
void shadow_screen_free(rdpShadowScreen* screen)
{
if (!screen)
return;
DeleteCriticalSection(&(screen->lock));
region16_uninit(&(screen->invalidRegion));
if (screen->primary)
{
shadow_surface_free(screen->primary);
screen->primary = NULL;
}
if (screen->lobby)
{
shadow_surface_free(screen->lobby);
screen->lobby = NULL;
}
free(screen);
}
BOOL shadow_screen_resize(rdpShadowScreen* screen)
{
int x = 0;
int y = 0;
int width = 0;
int height = 0;
MONITOR_DEF* primary = NULL;
rdpShadowSubsystem* subsystem = NULL;
if (!screen)
return FALSE;
subsystem = screen->server->subsystem;
primary = &(subsystem->monitors[subsystem->selectedMonitor]);
x = primary->left;
y = primary->top;
width = primary->right - primary->left + 1;
height = primary->bottom - primary->top + 1;
WINPR_ASSERT(x >= 0);
WINPR_ASSERT(x <= UINT16_MAX);
WINPR_ASSERT(y >= 0);
WINPR_ASSERT(y <= UINT16_MAX);
WINPR_ASSERT(width >= 0);
WINPR_ASSERT(width <= UINT16_MAX);
WINPR_ASSERT(height >= 0);
WINPR_ASSERT(height <= UINT16_MAX);
if (shadow_surface_resize(screen->primary, (UINT16)x, (UINT16)y, (UINT16)width,
(UINT16)height) &&
shadow_surface_resize(screen->lobby, (UINT16)x, (UINT16)y, (UINT16)width, (UINT16)height))
{
if (((UINT32)width != screen->width) || ((UINT32)height != screen->height))
{
/* screen size is changed. Store new size and reinit lobby */
screen->width = (UINT32)width;
screen->height = (UINT32)height;
shadow_client_init_lobby(screen->server);
}
return TRUE;
}
return FALSE;
}