From bd6c301c136ca7dd8f0bc89a90ad85e0f01be01b Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Sun, 22 Jan 2017 17:05:37 +0100
Subject: tikz output

---
 tikzit/src/data/graph.cpp | 110 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

(limited to 'tikzit/src/data/graph.cpp')

diff --git a/tikzit/src/data/graph.cpp b/tikzit/src/data/graph.cpp
index 9307d62..2480507 100644
--- a/tikzit/src/data/graph.cpp
+++ b/tikzit/src/data/graph.cpp
@@ -1,8 +1,11 @@
 #include "graph.h"
 
+#include <QTextStream>
+
 Graph::Graph(QObject *parent) : QObject(parent)
 {
     _data = new GraphElementData();
+    _bbox = QRectF(0,0,0,0);
 }
 
 Graph::~Graph()
@@ -53,6 +56,113 @@ const QVector<Edge*> &Graph::edges()
     return _edges;
 }
 
+QRectF Graph::bbox() const
+{
+    return _bbox;
+}
+
+bool Graph::hasBbox() {
+    return !(_bbox == QRectF(0,0,0,0));
+}
+
+void Graph::clearBbox() {
+    _bbox = QRectF(0,0,0,0);
+}
+
+QString Graph::tikz()
+{
+    QString str;
+    QTextStream code(&str);
+//    [NSMutableString
+//                                 stringWithFormat:@"\\begin{tikzpicture}%@\n",
+//                                 [[self data] tikzList]];
+
+//        if ([self hasBoundingBox]) {
+//            [code appendFormat:@"\t\\path [use as bounding box] (%@,%@) rectangle (%@,%@);\n",
+//                [NSNumber numberWithFloat:boundingBox.origin.x],
+//                [NSNumber numberWithFloat:boundingBox.origin.y],
+//                [NSNumber numberWithFloat:boundingBox.origin.x + boundingBox.size.width],
+//                [NSNumber numberWithFloat:boundingBox.origin.y + boundingBox.size.height]];
+//        }
+
+//    //	NSArray *sortedNodeList = [[nodes allObjects]
+//    //				     sortedArrayUsingSelector:@selector(compareTo:)];
+//        //NSMutableDictionary *nodeNames = [NSMutableDictionary dictionary];
+
+//        if ([nodes count] > 0) [code appendFormat:@"\t\\begin{pgfonlayer}{nodelayer}\n"];
+
+//        int i = 0;
+//        for (Node *n in nodes) {
+//            [n updateData];
+//            [n setName:[NSString stringWithFormat:@"%d", i]];
+//            [code appendFormat:@"\t\t\\node %@ (%d) at (%@, %@) {%@};\n",
+//                [[n data] tikzList],
+//                i,
+//                formatFloat([n point].x, 4),
+//                formatFloat([n point].y, 4),
+//                [n label]
+//            ];
+//            i++;
+//        }
+
+//        if ([nodes count] > 0) [code appendFormat:@"\t\\end{pgfonlayer}\n"];
+//        if ([edges count] > 0) [code appendFormat:@"\t\\begin{pgfonlayer}{edgelayer}\n"];
+
+//        NSString *nodeStr;
+//        for (Edge *e in edges) {
+//            [e updateData];
+
+//            if ([e hasEdgeNode]) {
+//                nodeStr = [NSString stringWithFormat:@"node%@{%@} ",
+//                           [[[e edgeNode] data] tikzList],
+//                           [[e edgeNode] label]
+//                           ];
+//            } else {
+//                nodeStr = @"";
+//            }
+
+//            NSString *edata = [[e data] tikzList];
+
+//            NSString *srcAnchor;
+//            NSString *tgtAnchor;
+
+//            if ([[e sourceAnchor] isEqual:@""]) {
+//                srcAnchor = @"";
+//            } else {
+//                srcAnchor = [NSString stringWithFormat:@".%@", [e sourceAnchor]];
+//            }
+
+//            if ([[e targetAnchor] isEqual:@""]) {
+//                tgtAnchor = @"";
+//            } else {
+//                tgtAnchor = [NSString stringWithFormat:@".%@", [e targetAnchor]];
+//            }
+
+//            [code appendFormat:@"\t\t\\draw%@ (%@%@) to %@(%@%@);\n",
+//                ([edata isEqual:@""]) ? @"" : [NSString stringWithFormat:@" %@", edata],
+//                [[e source] name],
+//                srcAnchor,
+//                nodeStr,
+//                ([e source] == [e target]) ? @"" : [[e target] name],
+//                tgtAnchor
+//            ];
+//        }
+
+//        if ([edges count] > 0) [code appendFormat:@"\t\\end{pgfonlayer}\n"];
+
+//        [code appendString:@"\\end{tikzpicture}"];
+
+//        [graphLock unlock];
+
+//        return code;
+    return str;
+}
+
+void Graph::setBbox(const QRectF &bbox)
+{
+    _bbox = bbox;
+}
+
 Node *Graph::addNode() {
     Node *n = new Node(this);
     _nodes << n;
-- 
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