shadow_lobby.c

 
#include <freerdp/config.h>
 
#include <winpr/assert.h>
#include <winpr/cast.h>
 
#if defined(WITH_RDTK)
#include <rdtk/rdtk.h>
#endif
 
#include "shadow.h"
 
#include "shadow_lobby.h"
 
BOOL shadow_client_init_lobby(rdpShadowServer* server)
{
  BOOL rc = FALSE;
  RECTANGLE_16 invalidRect = WINPR_C_ARRAY_INIT;
 
  WINPR_ASSERT(server);
  rdpShadowSurface* lobby = server->lobby;
 
  if (!lobby)
    return FALSE;
 
  EnterCriticalSection(&lobby->lock);
 
#if defined(WITH_RDTK)
  rdtkSurface* surface = nullptr;
  rdtkEngine* engine = rdtk_engine_new();
  if (!engine)
    goto fail;
 
  surface =
      rdtk_surface_new(engine, lobby->data, WINPR_ASSERTING_INT_CAST(uint16_t, lobby->width),
                       WINPR_ASSERTING_INT_CAST(uint16_t, lobby->height), lobby->scanline);
  if (!surface)
    goto fail;
#endif
 
  invalidRect.left = 0;
  invalidRect.top = 0;
  WINPR_ASSERT(lobby->width <= UINT16_MAX);
  WINPR_ASSERT(lobby->height <= UINT16_MAX);
  invalidRect.right = (UINT16)lobby->width;
  invalidRect.bottom = (UINT16)lobby->height;
  if (server->shareSubRect)
  {
    /* If we have shared sub rect setting, only fill shared rect */
    if (!rectangles_intersection(&invalidRect, &(server->subRect), &invalidRect))
      goto fail;
  }
 
#if defined(WITH_RDTK)
  const int width = invalidRect.right - invalidRect.left;
  const int height = invalidRect.bottom - invalidRect.top;
  WINPR_ASSERT(width <= UINT16_MAX);
  WINPR_ASSERT(width >= 0);
  WINPR_ASSERT(height <= UINT16_MAX);
  WINPR_ASSERT(height >= 0);
 
  if (rdtk_surface_fill(surface, invalidRect.left, invalidRect.top, (UINT16)width, (UINT16)height,
                        0x3BB9FF) < 0)
    goto fail;
 
  if (rdtk_label_draw(surface, invalidRect.left, invalidRect.top, (UINT16)width, (UINT16)height,
                      nullptr, "Welcome", 0, 0) < 0)
    goto fail;
  // rdtk_button_draw(surface, 16, 64, 128, 32, nullptr, "button");
  // rdtk_text_field_draw(surface, 16, 128, 128, 32, nullptr, "text field");
#endif
 
  if (!region16_union_rect(&(lobby->invalidRegion), &(lobby->invalidRegion), &invalidRect))
    goto fail;
 
  rc = TRUE;
fail:
 
#if defined(WITH_RDTK)
  rdtk_surface_free(surface);
  rdtk_engine_free(engine);
#endif
 
  LeaveCriticalSection(&lobby->lock);
  return rc;
}