C++ (Cpp) vik_layer_unmarshall_params示例

示例#1

文件： vikaggregatelayer.c 项目： gdt/viking

static VikAggregateLayer *aggregate_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
{
#define alm_size (*(gint *)data)
#define alm_next \
  len -= sizeof(gint) + alm_size; \
  data += sizeof(gint) + alm_size;
  
  VikAggregateLayer *rv = vik_aggregate_layer_new();
  VikLayer *child_layer;

  vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
  alm_next;

  while (len>0) {
    child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
    if (child_layer) {
      rv->children = g_list_append ( rv->children, child_layer );
      g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv );
    }
    alm_next;
  }
  //  g_print("aggregate_layer_unmarshall ended with len=%d\n", len);
  return rv;
#undef alm_size
#undef alm_next
}

示例#2

文件： vikcoordlayer.c 项目： guyou/viking

static VikCoordLayer *coord_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
{
  VikCoordLayer *rv = coord_layer_new ( vvp );
  vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp );
  coord_layer_update_gc ( rv, vvp );
  return rv;
}

示例#3

文件： vikgeoreflayer.c 项目： rpeyron/viking

static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
{
  VikGeorefLayer *rv = georef_layer_new ( vvp );
  vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp );
  if (rv->image) {
    georef_layer_load_image ( rv, vvp, TRUE );
  }
  return rv;
}

示例#4

文件： vikdemlayer.c 项目： yourealwaysbe/viking-extended-route-finder

static VikDEMLayer *dem_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
{
  VikDEMLayer *rv = dem_layer_new ( vvp );
  gint i;

  /* TODO: share GCS between layers */
  for ( i = 0; i < DEM_N_HEIGHT_COLORS; i++ ) {
    if ( i == 0 )
      rv->gcs[i] = vik_viewport_new_gc_from_color ( vvp, &(rv->color), UNUSED_LINE_THICKNESS );
    else
      rv->gcs[i] = vik_viewport_new_gc ( vvp, dem_height_colors[i], UNUSED_LINE_THICKNESS );
  }
  for ( i = 0; i < DEM_N_GRADIENT_COLORS; i++ )
    rv->gcsgradient[i] = vik_viewport_new_gc ( vvp, dem_gradient_colors[i], UNUSED_LINE_THICKNESS );

  vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp );
  return rv;
}