Function read_layer

src/doc/layer_io.cpp:106–183

}

Layer* read_layer(std::istream& is, SubObjectsFromSprite* subObjects)
{
  ObjectId id = read32(is);
  std::string name = read_string(is);
  uint32_t flags = read32(is);                     // Flags
  uint16_t layer_type = read16(is);                // Type
  std::unique_ptr<Layer> layer;

  switch (static_cast<ObjectType>(layer_type)) {

    case ObjectType::LayerImage: {
      LayerImage* imgLayer = new LayerImage(subObjects->sprite());

      // Create layer
      layer.reset(imgLayer);

      // Blend mode & opacity
      imgLayer->setBlendMode((BlendMode)read16(is));
      imgLayer->setOpacity(read8(is));

      // Read images
      int images = read16(is);  // Number of images
      for (int c=0; c<images; ++c) {
        ImageRef image(read_image(is));
        subObjects->addImageRef(image);
      }

      // Read celdatas
      int celdatas = read16(is);
      for (int c=0; c<celdatas; ++c) {
        CelDataRef celdata(read_celdata(is, subObjects));
        subObjects->addCelDataRef(celdata);
      }

      // Read cels
      int cels = read16(is);                      // Number of cels
      for (int c=0; c<cels; ++c) {
        // Read the cel
        auto cel = std::shared_ptr<Cel>(read_cel(is, subObjects));

        // Add the cel in the layer
        imgLayer->addCel(cel);
      }
      break;
    }

    case ObjectType::LayerFolder: {
      // Create the layer set
      layer.reset(new LayerFolder(subObjects->sprite()));

      // Number of sub-layers
      int layers = read16(is);
      for (int c=0; c<layers; c++) {
        Layer* child = read_layer(is, subObjects);
        if (child)
          static_cast<LayerFolder*>(layer.get())->addLayer(child);
        else
          break;