static inline void writeAttributes(
std::ostream &out,
const GraphAttributes &GA, const node &v)
{
const long flags = GA.attributes();
out << "[";
bool separator = false; // Wheter to put separator before attribute.
if(flags & GraphAttributes::nodeId) {
writeAttribute(out, separator, "id", GA.idNode(v));
}
if(flags & GraphAttributes::nodeLabel) {
writeAttribute(out, separator, "label", GA.label(v));
}
if(flags & GraphAttributes::nodeTemplate) {
writeAttribute(out, separator, "comment", GA.templateNode(v));
}
if(flags & GraphAttributes::nodeGraphics) {
writeAttribute(out, separator, "width", GA.width(v));
writeAttribute(out, separator, "height", GA.height(v));
writeAttribute(out, separator, "shape", dot::toString(GA.shape(v)));
out << ", pos=\"" << GA.x(v) << "," << GA.y(v);
if(flags & GraphAttributes::threeD) {
out << "," << GA.z(v);
}
out << "\"";
}
if(flags & GraphAttributes::nodeStyle) {
writeAttribute(out, separator, "color", GA.strokeColor(v));
writeAttribute(out, separator, "fillcolor", GA.fillColor(v));
writeAttribute(out, separator, "stroketype", toString(GA.strokeType(v)));
writeAttribute(out, separator, "strokewidth", GA.strokeWidth(v));
writeAttribute(out, separator, "fillpattern", toString(GA.fillPattern(v)));
}
if(flags & GraphAttributes::nodeType) {
writeAttribute(out, separator, "type", int(GA.type(v)));
}
if(flags & GraphAttributes::nodeWeight) {
writeAttribute(out, separator, "weight", GA.weight(v));
}
out << "]";
}
static inline void readAttValue(
GraphAttributes &GA,
node v,
const std::string &name,
const std::string &value)
{
const long attrs = GA.attributes();
// For not "viz" attributes, we use GraphML ones.
switch(graphml::toAttribute(name)) {
case graphml::Attribute::NodeType:
if(attrs & GraphAttributes::nodeType) {
GA.type(v) = graphml::toNodeType(value);
}
break;
case graphml::Attribute::Template:
if(attrs & GraphAttributes::nodeTemplate) {
GA.templateNode(v) = value;
}
break;
case graphml::Attribute::NodeWeight:
if(attrs & GraphAttributes::nodeWeight) {
std::istringstream ss(value);
ss >> GA.weight(v);
}
break;
case graphml::Attribute::NodeStrokeType:
if(attrs & GraphAttributes::nodeStyle) {
GA.strokeType(v) = fromString<StrokeType>(value);
}
break;
case graphml::Attribute::NodeFillPattern:
if(attrs & GraphAttributes::nodeStyle) {
GA.fillPattern(v) = fromString<FillPattern>(value);
}
break;
case graphml::Attribute::NodeStrokeWidth:
if(attrs & GraphAttributes::nodeWeight) {
std::istringstream ss(value);
ss >> GA.strokeWidth(v);
}
static void write_ogml_layout_nodes_edges(const GraphAttributes &A, ostream &os)
{
const Graph &G = A.constGraph();
if (A.has(GraphAttributes::nodeGraphics | GraphAttributes::nodeStyle))
{
for(node v : G.nodes) {
GraphIO::indent(os,4) << "<nodeStyle idRef=\"n" << v->index() << "\">\n";
if(A.has(GraphAttributes::nodeGraphics)) {
GraphIO::indent(os,5) << "<location x=\"" << A.x(v)-0.5*A.width(v) << "\" y=\""<< A.y(v)-0.5*A.height(v) << "\" />\n";
GraphIO::indent(os,5) << "<shape type=\"";
switch (A.shape(v)) {
case shRect:
os << "rect";
break;
case shRoundedRect:
os << "roundedRect";
break;
case shEllipse:
os << "ellipse";
break;
case shTriangle:
os << "triangle";
break;
case shPentagon:
os << "pentagon";
break;
case shHexagon:
os << "hexagon";
break;
case shOctagon:
os << "octagon";
break;
case shRhomb:
os << "rhomb";
break;
case shTrapeze:
os << "trapeze";
break;
case shParallelogram:
os << "parallelogram";
break;
case shInvTriangle:
os << "invTriangle";
break;
case shInvTrapeze:
os << "invTrapeze";
break;
case shInvParallelogram:
os << "invParallelogram";
break;
case shImage:
os << "image";
break;
}
os << "\" width=\"" << A.width(v) << "\" height=\"" << A.height(v) << "\" />\n";
}
if(A.has(GraphAttributes::nodeStyle)) {
// fill-tag
GraphIO::indent(os,5) << "<fill";
// color-attribute of fill-tag
os << " color=\"" << A.fillColor(v) << "\"";
// pattern- and patternColor-attribute of fill-tag (closing)
os << " pattern=\"" << fillPatternToOGML(A.fillPattern(v)) << "\" patternColor=\"" << A.fillBgColor(v) << "\" />\n";
// line-tag
GraphIO::indent(os,5) << "<line type=\"" << edgeStyleToOGML(A.strokeType(v)) << "\" width=\"" << A.strokeWidth(v) << "\""
<< " color=\"" << A.strokeColor(v) << "\"";
// closing fill-tag
os << " />\n";
}
GraphIO::indent(os,4) << "</nodeStyle>\n";
}
}
if (A.has(GraphAttributes::edgeGraphics | GraphAttributes::edgeStyle))
{
int pointId = 0;
for(edge e : G.edges) {
GraphIO::indent(os,4) << "<edgeStyle idRef=\"e" << e->index() << "\">\n";
if(A.has(GraphAttributes::edgeStyle)) {
GraphIO::indent(os,5) << "<line ";
if (A.has(GraphAttributes::edgeStyle)) {
os << "type=\"" << edgeStyleToOGML(A.strokeType(e)) << "\" width=\"" << A.strokeWidth(e) << "\" ";
os << "color=\"" << A.strokeColor(e) << "\" />\n";
} else {
os << " />\n";
}
}
// TODO review the handling of edge arrows
if(A.has(GraphAttributes::edgeArrow))
{
switch(A.arrowType(e)) {
case eaNone:
GraphIO::indent(os,5) << "<sourceStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
break;
case eaLast:
GraphIO::indent(os,5) << "<sourceStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
break;
case eaFirst:
GraphIO::indent(os,5) << "<sourceStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
break;
case eaBoth:
GraphIO::indent(os,5) << "<sourceStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
break;
case eaUndefined:
// do nothing
break;
default:
// do nothing
break;
}
}
// handling of points
// TODO: Revise for new OGML specification
const DPolyline &dpl = A.bends(e);
if (!dpl.empty()) {
// handle source
node v = e->source();
if(dpl.front().m_x < A.x(v) - A.width(v)/2 ||
dpl.front().m_x > A.x(v) + A.width(v)/2 ||
dpl.front().m_y < A.y(v) - A.height(v)/2 ||
dpl.front().m_y > A.y(v) + A.height(v)/2) {
GraphIO::indent(os,5) << "<point id=\"p" << pointId++ << "\" x=\"" << A.x(e->source()) << "\" y=\"" << A.y(e->source()) << "\" />\n";
}
// handle points
for(const DPoint &dp : dpl) {
GraphIO::indent(os,5) << "<point id=\"p" << pointId++ << "\" x=\"" << dp.m_x << "\" y=\"" << dp.m_y << "\" />\n";
}
// handle target
v = e->target();
if(dpl.back().m_x < A.x(v) - A.width(v)/2 ||
dpl.back().m_x > A.x(v) + A.width(v)/2 ||
dpl.back().m_y < A.y(v) - A.height(v)/2 ||
dpl.back().m_y > A.y(v) + A.height(v)/2) {
GraphIO::indent(os,5) << "<point id=\"p" << pointId++ << "\" x=\"" << A.x(e->target()) << "\" y=\"" << A.y(e->target()) << "\" />\n";
}
}
GraphIO::indent(os,4) << "</edgeStyle>\n";
}
}
}
