C++ IDirectFBDisplayLayer::GetConfiguration方法代码示例

void QDirectFbWindow::createDirectFBWindow()
{
    Q_ASSERT(!m_dfbWindow.data());

    DFBDisplayLayerConfig layerConfig;
    IDirectFBDisplayLayer *layer;

    layer = toDfbScreen(window())->dfbLayer();
    layer->GetConfiguration(layer, &layerConfig);

    DFBWindowDescription description;
    memset(&description,0,sizeof(DFBWindowDescription));
    description.flags = DFBWindowDescriptionFlags(DWDESC_WIDTH|DWDESC_HEIGHT|DWDESC_POSX|DWDESC_POSY|DWDESC_SURFACE_CAPS
                                                  |DWDESC_OPTIONS
                                                  |DWDESC_CAPS);
    description.width = qMax(1, window()->width());
    description.height = qMax(1, window()->height());
    description.posx = window()->x();
    description.posy = window()->y();

    if (layerConfig.surface_caps & DSCAPS_PREMULTIPLIED)
        description.surface_caps = DSCAPS_PREMULTIPLIED;
    description.pixelformat = layerConfig.pixelformat;

    description.options = DFBWindowOptions(DWOP_ALPHACHANNEL);
    description.caps = DFBWindowCapabilities(DWCAPS_DOUBLEBUFFER|DWCAPS_ALPHACHANNEL);

    DFBResult result = layer->CreateWindow(layer, &description, m_dfbWindow.outPtr());
    if (result != DFB_OK)
        DirectFBError("QDirectFbWindow: failed to create window", result);

    m_dfbWindow->SetOpacity(m_dfbWindow.data(), 0xff);
    m_inputHandler->addWindow(m_dfbWindow.data(), window());
}

/** Opens application window and return pointer to offscreen buffer for  */
char *directfbapp_open_window() {

    DFBWindowDescription wdesc;
    DFBDisplayLayerConfig lconfig;
    static char *argv_array[] = {
        "CVM",
        "--dfb:system=FBDev"
            ",force-windowed"   /* use windows instead of surfaces */
            ",no-vt-switch"     /* do not switch between Linux' VT */
            ",no-cursor"        /* do not use pointer */
            // ",no-deinit-check" /* do not check for deinit */
        ,NULL
    };
    int argc = sizeof argv_array / sizeof argv_array[0] - 1;
    char **argv = argv_array;
    IDirectFBDisplayLayer *dlayer;
    char *dst;
    int pitch;
    unsigned int win_id;
    int win_x, win_y;

    DFBCHECK(DirectFBInit(&argc, &argv));
    DFBCHECK(DirectFBCreate(&dfb));
    DFBCHECK(dfb->SetCooperativeLevel(dfb, DFSCL_NORMAL));

    DFBCHECK(dfb->GetDisplayLayer(dfb, DLID_PRIMARY, &dlayer));
    DFBCHECK(dlayer->GetConfiguration(dlayer, &lconfig));
    wdesc.caps = DWCAPS_DOUBLEBUFFER;
    wdesc.surface_caps = DSCAPS_DOUBLE;
    wdesc.pixelformat = DSPF_RGB16;
    wdesc.width = CHAM_WIDTH;
    wdesc.height = CHAM_HEIGHT;
    wdesc.flags = DWDESC_CAPS | DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_PIXELFORMAT |
        DWDESC_SURFACE_CAPS;
    DFBCHECK(dlayer->CreateWindow(dlayer, &wdesc, &window));
    releaseInterface(dlayer);
    if ((lconfig.flags & (DLCONF_WIDTH | DLCONF_HEIGHT)) == (DLCONF_WIDTH | DLCONF_HEIGHT)) {
        DFBCHECK(window->GetID(window, &win_id));
        set_win_position(win_id, lconfig.width, lconfig.height, win_x, win_y);
        DFBCHECK(window->MoveTo(window, win_x, win_y));
    }
    DFBCHECK(window->RaiseToTop(window));
    DFBCHECK(window->SetOpacity(window, 0xff));
    DFBCHECK(window->RequestFocus(window));
    DFBCHECK(window->GetSurface(window, &screen));
    DFBCHECK(screen->GetSize(screen, &screen_width, &screen_height));
    DFBCHECK(screen->Lock(screen, DSLF_WRITE, (void**)(void*)&dst, &pitch));
    if (pitch != (int)sizeof(gxj_pixel_type) * screen_width) {
        REPORT_ERROR(LC_LOWUI,
            "Invalid pixel format: Supports only 16-bit, 5:6:5 display");
        goto dfb_err;
    }
    return dst;

dfb_err:;
    directfbapp_finalize();
    exit(1); /* TODO: exit from Java */
    /* return NULL; */
}

int
main( int argc, char *argv[] )
{
     int                    i;
     DFBResult              ret;
     IDirectFB             *dfb;
     IDirectFBDisplayLayer *layer  = NULL;
     App                    apps[1];
     DFBDisplayLayerConfig  config;

     /* Parse arguments. */
     for (i=1; i<argc; i++) {
          if (!strcmp( argv[i], "-h" ))
               return show_usage( argv[0] );
     }

     /* Initialize DirectFB. */
     ret = DirectFBInit( &argc, &argv );
     if (ret) {
          D_DERROR( ret, "DFBTest/WindowFlip: DirectFBInit() failed!\n" );
          return ret;
     }

     /* Create super interface. */
     ret = DirectFBCreate( &dfb );
     if (ret) {
          D_DERROR( ret, "DFBTest/WindowFlip: DirectFBCreate() failed!\n" );
          return ret;
     }

     /* Get primary layer. */
     ret = dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer );
     if (ret) {
          D_DERROR( ret, "DFBTest/WindowFlip: IDirectFB::GetDisplayLayer( PRIMARY ) failed!\n" );
          goto out;
     }

     
     layer->GetConfiguration( layer, &config );

     app_init( &apps[0], layer, 100, 50, config.width-300, config.height-150, 0 );

     while (true) {
          direct_thread_sleep( 1000000 );

          app_update( &apps[0] );
     }


out:
     /* Shutdown DirectFB. */
     dfb->Release( dfb );

     return ret;
}

void QDirectFbWindow::setVisible(bool visible)
{
    if (visible) {
        int x = geometry().x();
        int y = geometry().y();
        m_dfbWindow->MoveTo(m_dfbWindow,x,y);
    } else {
        IDirectFBDisplayLayer *displayLayer;
        QDirectFbConvenience::dfbInterface()->GetDisplayLayer(QDirectFbConvenience::dfbInterface(),DLID_PRIMARY,&displayLayer);

        DFBDisplayLayerConfig config;
        displayLayer->GetConfiguration(displayLayer,&config);
        m_dfbWindow->MoveTo(m_dfbWindow,config.width+1,config.height + 1);
    }
}

QDirectFbWindow::QDirectFbWindow(QWidget *tlw, QDirectFbInput *inputhandler)
    : QPlatformWindow(tlw), m_inputHandler(inputhandler), m_context(0)
{
    IDirectFBDisplayLayer *layer = QDirectFbConvenience::dfbDisplayLayer();
    DFBDisplayLayerConfig layerConfig;
    layer->GetConfiguration(layer,&layerConfig);

    DFBWindowDescription description;
    memset(&description,0,sizeof(DFBWindowDescription));
    description.flags = DFBWindowDescriptionFlags(DWDESC_WIDTH|DWDESC_HEIGHT|DWDESC_POSX|DWDESC_POSY|DWDESC_SURFACE_CAPS
#if DIRECTFB_MINOR_VERSION >= 1
                                                  |DWDESC_OPTIONS
#endif
                                                  |DWDESC_CAPS);
    description.width = tlw->rect().width();
    description.height = tlw->rect().height();
    description.posx = tlw->rect().x();
    description.posy = tlw->rect().y();

    if (layerConfig.surface_caps & DSCAPS_PREMULTIPLIED)
        description.surface_caps = DSCAPS_PREMULTIPLIED;
    description.pixelformat = layerConfig.pixelformat;

#if DIRECTFB_MINOR_VERSION >= 1
    description.options = DFBWindowOptions(DWOP_ALPHACHANNEL);
#endif
    description.caps = DFBWindowCapabilities(DWCAPS_DOUBLEBUFFER|DWCAPS_ALPHACHANNEL);
    description.surface_caps = DSCAPS_PREMULTIPLIED;

    DFBResult result = layer->CreateWindow(layer,&description,&m_dfbWindow);
    if (result != DFB_OK) {
        DirectFBError("QDirectFbGraphicsSystemScreen: failed to create window",result);
    }

    m_dfbWindow->SetOpacity(m_dfbWindow,0xff);

    setVisible(widget()->isVisible());

    DFBWindowID id;
    m_dfbWindow->GetID(m_dfbWindow, &id);
    m_inputHandler->addWindow(id,tlw);
}

int DirectFB_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst)
{
  DFBResult              ret;
  DFBDisplayLayerConfig  conf;
  IDirectFBDisplayLayer *primary = HIDDEN->layer;
  IDirectFBDisplayLayer *layer   = overlay->hwdata->layer;

  primary->GetConfiguration (primary, &conf);

  ret = layer->SetScreenLocation (layer,
                                  dst->x / (float) conf.width, dst->y / (float) conf.height,
                                  dst->w / (float) conf.width, dst->h / (float) conf.height );
  if (ret)
    {
      SetDirectFBerror("IDirectFBDisplayLayer::SetScreenLocation", ret);
      return -1;
    }

  return 0;
}

int main( int argc, char *argv[] )
{
     IDirectFB              *dfb;
     IDirectFBDisplayLayer  *layer;

     IDirectFBSurface       *bgsurface;
     IDirectFBImageProvider *provider;

     IDirectFBWindow        *window1;
     IDirectFBWindow        *window2;
     IDirectFBSurface       *window_surface1;
     IDirectFBSurface       *window_surface2;

     IDirectFBEventBuffer   *buffer;

     DFBDisplayLayerConfig  layer_config;

#if ((DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23))
     DFBCardCapabilities    caps;
#else
     DFBGraphicsDeviceDescription caps;
#endif
     IDirectFBWindow*       upper;
     DFBWindowID            id1;

     IDirectFBFont          *font;
     int fontheight;
     int err;
     int quit = 0;


     DFBCHECK(DirectFBInit( &argc, &argv ));
     DFBCHECK(DirectFBCreate( &dfb ));

#if ((DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23))
     dfb->GetCardCapabilities( dfb, &caps );
#else
     dfb->GetDeviceDescription( dfb, &caps );
#endif

     dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer );

     if (!((caps.blitting_flags & DSBLIT_BLEND_ALPHACHANNEL) &&
           (caps.blitting_flags & DSBLIT_BLEND_COLORALPHA  )))
     {
          layer_config.flags = DLCONF_BUFFERMODE;
          layer_config.buffermode = DLBM_BACKSYSTEM;

          layer->SetConfiguration( layer, &layer_config );
     }

     layer->GetConfiguration( layer, &layer_config );
     layer->EnableCursor ( layer, 1 );

     {
          DFBFontDescription desc;

          desc.flags = DFDESC_HEIGHT;
          desc.height = layer_config.width/50;

          DFBCHECK(dfb->CreateFont( dfb, PACKAGE_DATA_DIR"/grunge.ttf", &desc, &font ));
          font->GetHeight( font, &fontheight );
     }

     {
          DFBSurfaceDescription desc;

          DFBCHECK(dfb->CreateImageProvider( dfb,
                                             PACKAGE_DATA_DIR"/bg.png",
                                             &provider ));

          desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT;
          desc.width = layer_config.width;
          desc.height = layer_config.height;

          DFBCHECK(dfb->CreateSurface( dfb, &desc, &bgsurface ) );


          provider->RenderTo( provider, bgsurface, NULL );
          provider->Release( provider );

	  DFBCHECK(bgsurface->SetFont( bgsurface, font ));

          bgsurface->SetColor( bgsurface, 0xCF, 0xCF, 0xFF, 0xFF );
          bgsurface->DrawString( bgsurface,
                                 "Move the mouse over a window to activate it.",
                                 -1, 10, 0, DSTF_LEFT | DSTF_TOP );

          bgsurface->SetColor( bgsurface, 0xFF, 0xCF, 0xFF, 0xFF );
          bgsurface->DrawString( bgsurface,
                    "You can drag them around, too, if you want.",
                                 -1, 10 , 40, DSTF_LEFT | DSTF_TOP );

          bgsurface->SetColor( bgsurface, 0xCF, 0xCF, 0xFF, 0xFF );
	  bgsurface->DrawString( bgsurface,
                    "The one with funky stuff happening and things flying around is an evas.",
                                 -1, 10, 80, DSTF_LEFT | DSTF_TOP );



//.........这里部分代码省略.........

void *BrowserMain(void * argument)
{
    printf("%s:%d\n", __func__, __LINE__);

    int argc = 0;
    char**argv = NULL;


    pthread_mutex_init (&mutex, NULL);
    
    g_type_init();
    g_thread_init(NULL);

    lite_open( &argc, &argv );

    WebKitDFB_Initialize( lite_get_dfb_interface() );

    IDirectFBDisplayLayer *layer;
    DFBDisplayLayerConfig  config;
    lite_get_layer_interface( &layer );
    layer->GetConfiguration( layer, &config );

    DFBRectangle windowRect        = {   0,  0, config.width, config.height };
    DFBRectangle webviewRect       = {   0,  0, config.width, config.height };

    lite_new_window( NULL, &windowRect, DWCAPS_NONE, liteNoWindowTheme, "WebKitDFB", &g_window );
    
    lite_new_webview( LITE_BOX(g_window), &webviewRect, liteDefaultWebViewTheme, &g_webview);

    lite_on_webview_doc_loaded ( g_webview, on_webview_doc_loaded, NULL );

    lite_on_raw_window_keyboard(g_window, on_key_press, g_webview );

    lite_focus_box( LITE_BOX(g_webview) );

    lite_set_window_opacity(g_window, 0xff);

    g_window->bg.enabled = DFB_FALSE;
    //lite_set_window_background_color(g_window, 0xff, 0, 0, 0xff);

    registerJsFunctions(g_webview, g_Callback);

    lite_webview_load(g_webview, g_url);
    lite_webview_set_transparent(g_webview, true);

    // FAKE KEY INTERFACE
    //IDirectFB *dfb;
    //dfb = lite_get_dfb_interface();
    //IDirectFBDisplayLayer *layer = NULL;
    //dfb->GetDisplayLayer(dfb, DLID_PRIMARY, &layer);
    layer->GetWindow(layer, 1, &g_dfb_window);

    lite_enqueue_window_timeout(200, timeout_cb, NULL, &timer_id);
    g_run = 1;
    while (g_run) {
        pthread_mutex_lock(&mutex);

        g_main_context_iteration(NULL, FALSE);
        lite_window_event_loop(g_window, 1);
        pthread_mutex_unlock(&mutex);
    }

   lite_close();

   return NULL;
}

int
main( int argc, char *argv[] )
{
     DFBResult              ret;
     bool                   quit = false;
     int                    i;
     IDirectFB              dfb;
     IDirectFBDisplayLayer  layer;
     IDirectFBSurface       surface;
     DFBDisplayLayerConfig  config;
     DFBDimension           sizes[2]  = { {400, 400}, {600, 600} };
     size_t                 num_sizes = D_ARRAY_SIZE(sizes);
     DFBInputEvent          evt;
     IDirectFBEventBuffer   keybuffer;

     /* Initialize DirectFB. */
     DirectFB::Init( &argc, &argv );

     /* Create super interface. */
     dfb = DirectFB::Create();

     layer = dfb.GetDisplayLayer( DLID_PRIMARY );

     /* Create an input buffer for key events */
     keybuffer = dfb.CreateInputEventBuffer( DICAPS_KEYS, DFB_TRUE );

     layer.SetCooperativeLevel( DLSCL_EXCLUSIVE );

     layer.GetConfiguration( &config );

     config.width  = sizes[0].w;
     config.height = sizes[0].h;

     layer.SetConfiguration( config );

     surface = layer.GetSurface();

     while (true) {
          surface.Clear( 0, 0, 0, 0xff );

          surface.SetColor( 0x00, 0xff, 0x00, 0xff );
          surface.DrawRectangle( 0, 0, config.width, config.height );

          surface.Flip( NULL, DSFLIP_NONE );


          keybuffer.WaitForEventWithTimeout( 3, 0 );

          /* Process keybuffer */
          while (keybuffer.GetEvent( DFB_EVENT(&evt) )) {
              if (evt.type == DIET_KEYPRESS) {
                  switch (DFB_LOWER_CASE(evt.key_symbol)) {
                      case DIKS_ESCAPE:
                      case DIKS_SMALL_Q:
                      case DIKS_BACK:
                      case DIKS_STOP:
                      case DIKS_EXIT:
                          /* Quit main loop & test thread */
                          quit = 1;
                          break;

                      case DIKS_SPACE:
                      case DIKS_OK:
                          i++;

                          config.width  = sizes[i % num_sizes].w;
                          config.height = sizes[i % num_sizes].h;

                          layer.SetConfiguration( config );
                          break;

                      default:
                          break;
                  }
              }
          }
     }

     return 0;
}

int main(int argc, char *argv[])
{
	IDirectFBDisplayLayer 	*layer;
	DFBWindowDescription	dwsc;
	DFBSurfaceDescription 	dsc;
	DFBDisplayLayerConfig	config;
	IDirectFBWindow 	*window_mic, *window_camera, *window_case, *window_tp;
	IDirectFBSurface 	*surface_case, *surface_tp, *surface_camera;
	IDirectFBSurface 	*surface_mic, *primary, *surface_button;
	IDirectFBFont 		*font;
	DFBRectangle		rect;
	DFBFontDescription 	font_desc;
	DirectThread     *thread_camera, *thread_music, *thread_mic, *thread_tp, *thread_flashlight, *thread_case[case_num];
	DirectThread 	*thread_button;
	 

//	int font_size = 24;
//	int camera_frame = 0;

	int i;
	char font_file[50] = "/misc/font/wqy-zenhei.ttc";
	char conf_file[50] = "/misc/pcba.conf";

	
	bool overflow = false;
	
	case_t *case_x;
	case_x = malloc((case_num + 3) * sizeof(case_t));
	
	//20 case,11 auto case,gps is the last autocase
	init_case(case_x, case_num + 3, gps + 1);
	
	if(parser_config_file(conf_file, case_x))
	{
		printf("config file open error, use default\n");
	}
	
	parse_global_config(case_x);

	printf("camera_frame = %d\n", camera_frame);
	printf("font_size = %d\n", font_size);
	printf("camera pixel [%d*%d]\n", camera_pixel_width, camera_pixel_height);

#ifndef __GS900A__
	ion_open_alc();
#endif
	//define window size
	int screen_width, screen_height;
	int mic_width, camera_window_width, camera_window_height;
	int case_width, case_name_align, case_result_align;
	int font_height;
	
	//change env
	char event_path[100];
	char env_gsensor[256];
	
	//enable gsensor
	i = get_input_event_name(case_x[gsensor].dev_name, event_path);
	if(i != -1)
	{
		sprintf(env_gsensor, "echo 1 > /sys/class/input/input%d/enable", i);
		system(env_gsensor);
	}
	else
	{
		printf("----error! gsensor not found\n");
	}
	
	//vibrate test for 3 second
	test_vibrate(3);
	
	//dfb init
	DFBCHECK(DirectFBInit(&argc, &argv));
	DFBCHECK(DirectFBCreate(&dfb));
	
	font_desc.flags = DFDESC_HEIGHT;
	font_desc.height = font_size;
	DFBCHECK(dfb->CreateFont( dfb, font_file,  &font_desc, &font));
	DFBCHECK(font->GetHeight(font, &font_height));
	DFBCHECK(dfb->GetDisplayLayer(dfb, DLID_PRIMARY, &layer));
	DFBCHECK(layer->GetConfiguration( layer, &config ));
	// DFBCHECK(layer->SetRotation( layer, 180 ));
	//set window size
	screen_width = config.width;
	screen_height = config.height;
	mic_width = screen_width / 20;
	camera_window_width = (screen_width - mic_width) / 2;
	camera_window_height = screen_height / 2;
	case_width = screen_width - mic_width - camera_window_width;
	case_name_align = font_size;
	case_result_align = 7 * font_size;
	
	//create tp window
	dwsc.flags = DWDESC_POSX | DWDESC_POSY | DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS;
	dwsc.posx = 0;
	dwsc.posy = 0;
	dwsc.width = screen_width;
	dwsc.height = screen_height;
	dwsc.caps = DWCAPS_ALPHACHANNEL;
	
//.........这里部分代码省略.........

void
DirectFB_InitModes(_THIS)
{
    SDL_DFB_DEVICEDATA(_this);
    IDirectFBDisplayLayer *layer = NULL;
    SDL_VideoDisplay display;
    DFB_DisplayData *dispdata = NULL;
    SDL_DisplayMode mode;
    DFBGraphicsDeviceDescription caps;
    DFBDisplayLayerConfig dlc;
    struct screen_callback_t *screencbdata;

    int tcw[DFB_MAX_SCREENS];
    int tch[DFB_MAX_SCREENS];
    int i;
    DFBResult ret;

    SDL_DFB_ALLOC_CLEAR(screencbdata, sizeof(*screencbdata));

    screencbdata->numscreens = 0;

    for (i = 0; i < DFB_MAX_SCREENS; i++) {
        screencbdata->gralayer[i] = -1;
        screencbdata->vidlayer[i] = -1;
    }

    SDL_DFB_CHECKERR(devdata->dfb->EnumScreens(devdata->dfb, &EnumScreensCallback,
                                               screencbdata));

    for (i = 0; i < screencbdata->numscreens; i++) {
        IDirectFBScreen *screen;

        SDL_DFB_CHECKERR(devdata->dfb->GetScreen(devdata->dfb,
                                                 screencbdata->screenid
                                                 [i], &screen));

        screencbdata->aux = i;
        SDL_DFB_CHECKERR(screen->EnumDisplayLayers(screen, &EnumLayersCallback,
                                                   screencbdata));
        screen->GetSize(screen, &tcw[i], &tch[i]);

        screen->Release(screen);
    }

    /* Query card capabilities */

    devdata->dfb->GetDeviceDescription(devdata->dfb, &caps);

    for (i = 0; i < screencbdata->numscreens; i++) {
        SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
                                                       screencbdata->gralayer
                                                       [i], &layer));

        SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer,
                                                    DLSCL_ADMINISTRATIVE));
        layer->EnableCursor(layer, 1);
        SDL_DFB_CHECKERR(layer->SetCursorOpacity(layer, 0xC0));

        if (devdata->use_yuv_underlays) {
            dlc.flags = DLCONF_PIXELFORMAT | DLCONF_OPTIONS;
            dlc.pixelformat = DSPF_ARGB;
            dlc.options = DLOP_ALPHACHANNEL;

            ret = layer->SetConfiguration(layer, &dlc);
            if (ret != DFB_OK) {
                /* try AiRGB if the previous failed */
                dlc.pixelformat = DSPF_AiRGB;
                SDL_DFB_CHECKERR(layer->SetConfiguration(layer, &dlc));
            }
        }

        /* Query layer configuration to determine the current mode and pixelformat */
        dlc.flags = DLCONF_ALL;
        SDL_DFB_CHECKERR(layer->GetConfiguration(layer, &dlc));

        mode.format = DirectFB_DFBToSDLPixelFormat(dlc.pixelformat);
        
        if (mode.format == SDL_PIXELFORMAT_UNKNOWN) {
            SDL_DFB_ERR("Unknown dfb pixelformat %x !\n", dlc.pixelformat);
            goto error;
        }

        mode.w = dlc.width;
        mode.h = dlc.height;
        mode.refresh_rate = 0;
        mode.driverdata = NULL;

        SDL_DFB_ALLOC_CLEAR(dispdata, sizeof(*dispdata));

        dispdata->layer = layer;
        dispdata->pixelformat = dlc.pixelformat;
        dispdata->cw = tcw[i];
        dispdata->ch = tch[i];

        /* YUV - Video layer */

        dispdata->vidID = screencbdata->vidlayer[i];
        dispdata->vidIDinuse = 0;

        SDL_zero(display);
//.........这里部分代码省略.........

int
main( int argc, char *argv[] )
{
     DFBResult              ret;
     int                    i;
     int                    x, y;
     int                    dx, dy;
     int                    sw3, sh3;
     int                    opacity       = 255;
     int                    opacity_delta = -1;
     IDirectFB             *dfb;
     IDirectFBDisplayLayer *layer;
     IDirectFBSurface      *surface;
     DFBDisplayLayerConfig  config;
     DFBDimension           size;
     DFBInputEvent          evt;

     /* Initialize DirectFB. */
     ret = DirectFBInit( &argc, &argv );
     if (ret) {
          D_DERROR( ret, "DFBTest/Layer: DirectFBInit() failed!\n" );
          return ret;
     }


     /* Create super interface. */
     ret = DirectFBCreate( &dfb );
     if (ret) {
          D_DERROR( ret, "DFBTest/Layer: DirectFBCreate() failed!\n" );
          return ret;
     }

     dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer );

     /* Create an input buffer for key events */
     dfb->CreateInputEventBuffer( dfb, DICAPS_KEYS,
                                  DFB_TRUE, &keybuffer);

     layer->SetCooperativeLevel( layer, DFSCL_EXCLUSIVE );

     layer->GetConfiguration( layer, &config );


     config.options    = DLOP_OPACITY | DLOP_SRC_COLORKEY;
     config.buffermode = DLBM_FRONTONLY;

     layer->SetConfiguration( layer, &config );
     layer->SetSrcColorKey( layer, 0x00, 0xff, 0x00 );



     ret = layer->GetSurface( layer, &surface );
     if (ret) {
          D_DERROR( ret, "DFBTest/Layer: GetSurface() failed!\n" );
          dfb->Release( dfb );
          return ret;
     }

     surface->GetSize( surface, &size.w, &size.h );

     sw3 = ((size.w / 3) + 1) & ~1;
     sh3 = ((size.h / 3) + 1) & ~1;


     surface->Clear( surface, 0, 0, 0, 0xff );

     for (i=0; i<10; i++) {
          surface->SetColor( surface, 0xff - i*16, 0xff - i*16, 0xff - i*16, 0xff );
          surface->DrawRectangle( surface, i, i, size.w - i*2, size.h - i*2 );
     }

     surface->FillRectangle( surface, 10, size.h/2, size.w - 20, 1 );
     surface->FillRectangle( surface, size.w/2, 10, 1, size.h - 20 );

     surface->SetColor( surface, 0xff, 0x00, 0x00, 0xff );
     surface->FillRectangle( surface, size.w/3, size.h/3, size.w/3, size.h/3 );

     surface->SetColor( surface, 0x00, 0xff, 0x00, 0xff );
     surface->FillRectangle( surface, size.w/3 + size.w/9, size.h/3 + size.h/9, size.w/9, size.h/9 );

     surface->Flip( surface, NULL, DSFLIP_NONE );

#ifdef BUILD_AUTOMATION
     sleep( 2 );
#else
     sleep( 12 );
#endif
     layer->SetSourceRectangle( layer, 0, 0, size.w - sw3, size.h - sh3 );

     layer->SetScreenPosition( layer, 100, 100 );
     layer->SetScreenRectangle( layer, 100, 100, size.w - sw3, size.h - sh3 );

     sleep( 2 );
#ifdef BUILD_AUTOMATION
     sleep( 20 );
     quit = 1;
#endif

     for (x=0, y=0, dx=1, dy=1; !quit ; x+=dx, y+=dy) {
          layer->SetOpacity( layer, opacity );
//.........这里部分代码省略.........