diff options
Diffstat (limited to 'server/shadow/shadow_screen.c')
| -rw-r--r-- | server/shadow/shadow_screen.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/server/shadow/shadow_screen.c b/server/shadow/shadow_screen.c new file mode 100644 index 0000000..8a9e0b3 --- /dev/null +++ b/server/shadow/shadow_screen.c @@ -0,0 +1,163 @@ +/** + * 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; +} |