C++ GraphAttributes::fillPattern方法代码示例

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))
			{
//.........这里部分代码省略.........