Initial import of kscope 1.6.2

1 files changed, 76 insertions, 0 deletions

diff --git a/src/dotfrontend.h b/src/dotfrontend.h
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+/***************************************************************************
+ *
+ * Copyright (C) 2006 Elad Lahav (elad_lahav@users.sf.net)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ***************************************************************************/
+#ifndef DOTFRONTEND_H
+#define DOTFRONTEND_H
+
+#include <frontend.h>
+#include <qpointarray.h>
+
+class GraphWidget;
+
+/**
+ * Front-end for executing graphviz's command-line tool.
+ * This tool accepts the description of a graph in the 'dot' language, and
+ * outputs a set of drawing instructions for the graph.
+ * @author Elad Lahav
+ */
+class DotFrontend : public Frontend
+{
+	Q_OBJECT
+
+public:
+	DotFrontend(GraphWidget*);
+	~DotFrontend();
+
+	bool run(const QString&);
+	
+	static bool verify(const QString&);
+	
+protected:
+	virtual ParseResult parseStdout(QString&, ParserDelim);
+
+private:
+	/** The owner graph widget on which to draw. */
+	GraphWidget* m_pGraph;
+	
+	/** State values for the parser state machine. */
+	enum ParserState { Graph, GraphScale, GraphWidth, GraphHeight,
+		NodeEdgeStop, NodeName, NodeCentreX, NodeCentreY, NodeWidth, NodeHeight,
+		EdgeHead, EdgeTail, EdgeCurveSize, EdgeCurveX, EdgeCurveY,
+		EndNodeEdge };
+	
+	/** The current state of the parser state machine. */
+	ParserState m_state;
+	
+	/** The horizontal DPI value of the graph widget. */
+	double m_dDpiX;
+	
+	/** The vertical DPI value of the graph widget. */
+	double m_dDpiY;
+};
+
+#endif