const ImageMetadata* ObjectType::deserializeImageMetadata(const xml_node node) {
const xml_attribute pathAttribute = node.attribute("path");
const string path(pathAttribute.as_string());
if (path.empty()) {
#ifdef ENABLE_LOGGING
LOGGER->error("The \"path\" attribute is a required field for %s", node.path('/').c_str());
#endif
exit(XML_SCHEMA_MISMATCH);
}
const xml_attribute widthAttribute = node.attribute("width");
const int width = widthAttribute.as_int(-1);
const xml_attribute heightAttribute = node.attribute("height");
const int height = heightAttribute.as_int(-1);
// if width or height is below zero, we assume this is a single image
if (width < 0 || height < 0) {
return new ImageMetadata(path);
}
const xml_attribute rowCountAttribute = node.attribute("rows");
const int rowCount = rowCountAttribute.as_int(1);
const xml_attribute columnCountAttribute = node.attribute("columns");
const int columnCount = columnCountAttribute.as_int(1);
return new ImageMetadata(path, width, height, rowCount, columnCount);
}
const ImageReference* ObjectType::deserializeImageReference(const xml_node node) {
const xml_attribute idAttribute = node.attribute("id");
const int id = idAttribute.as_int(0);
const xml_attribute alphaAttribute = node.attribute("alpha");
const int alpha = alphaAttribute.as_int(255);
return new ImageReference(id, alpha);
}
const Sequence* ObjectType::deserializeSequence(const xml_node node) {
const xml_attribute idAttribute = node.attribute("id");
const int id = idAttribute.as_int();
const xml_attribute nextAttribute = node.attribute("next");
const int next = nextAttribute.as_int(0);
auto const frames = new vector<const Frame*>();
const auto frameNodes = node.children("frame");
for (const xml_node frameNode : frameNodes) {
auto const frame = deserializeFrame(frameNode);
frames->push_back(frame);
}
return new Sequence(id, next, frames);
}
const Frame* ObjectType::deserializeFrame(const xml_node node) {
const xml_attribute waitAttribute = node.attribute("wait");
const int wait = waitAttribute.as_int(0);
const xml_node imageReferenceNode = node.child("pic");
const ImageReference* imageReference = deserializeImageReference(imageReferenceNode);
return new Frame(wait, imageReference);
}
