add support for graphviz builtin shapes

graphviz2drawio/mx/MxConst.py

@@ -8,6 +8,7 @@
 
 DEFAULT_TEXT_SIZE = 10
 DEFAULT_FONT_FAMILY = "Helvetica"
+DEFAULT_FONT_COLOR = "#000000"
 
 DEFAUT_STROKE = "#000000"
 DEFAUT_FILL = "#ffffff"

graphviz2drawio/mx/MxGraph.py

@@ -2,7 +2,6 @@
 
 from graphviz2drawio.models import DotAttr
 from graphviz2drawio.mx import MxConst
-from graphviz2drawio.mx.Shape import Shape
 from graphviz2drawio.mx.Styles import Styles
 
 
@@ -22,11 +21,10 @@ def __init__(self, nodes, edges):
             self.add_edge(edge)
 
     def add_edge(self, edge):
-        end_arrow = MxConst.NONE
+        end_arrow = MxConst.BLOCK
         end_fill = 1
         dashed = 1 if edge.style == DotAttr.DASHED else 0
         if edge.arrowtail is not None:
-            end_arrow = MxConst.BLOCK
             tail = edge.arrowtail
             if edge.arrowtail[0] == DotAttr.NO_FILL:
                 end_fill = 0
@@ -68,7 +66,7 @@ def add_edge(self, edge):
         self.add_mx_geo(edge_element)
 
     def edge_reposition(self, edges):
-        # TODO: this needs to be smarter
+        # TODO: https://github.com/hbmartin/graphviz2drawio/issues/7
         edge_to = {}
         for edge in edges:
             if edge.to not in edge_to:
@@ -96,9 +94,12 @@ def add_node(self, node):
             else MxConst.DEFAUT_FILL
         )
         stroke = node.stroke if node.stroke is not None else MxConst.DEFAUT_STROKE
-        style = Styles.NODE.format(fill=fill, stroke=stroke)
-        if node.shape == Shape.ELLIPSE:
-            style = Shape.ELLIPSE.value + ";" + style
+
+        if node.shape is not None:
+            style = Styles.get_for_shape(node.shape).format(fill=fill, stroke=stroke)
+        else:
+            style = Styles.NODE.format(fill=fill, stroke=stroke)
+
         node_element = ET.SubElement(
             self.root,
             MxConst.CELL,

graphviz2drawio/mx/Node.py

@@ -2,14 +2,14 @@
 
 
 class Node(GraphObj):
-    def __init__(self, sid, gid, rect, texts, fill, stroke, shape):
+    def __init__(self, sid, gid, rect, texts, fill, stroke):
         super(Node, self).__init__(sid, gid)
         self.rect = rect
         self.texts = texts
         self.fill = fill
         self.stroke = stroke
         self.label = None
-        self.shape = shape
+        self.shape = None
 
     def text_to_mx_value(self):
         value = ""

graphviz2drawio/mx/NodeFactory.py

@@ -1,6 +1,5 @@
 from graphviz2drawio.models import SVG
 from graphviz2drawio.models.Rect import Rect
-from graphviz2drawio.mx.Shape import Shape
 from .Node import Node
 from .Text import Text
 
@@ -11,7 +10,6 @@ def __init__(self, coords):
 
     def rect_from_svg_points(self, svg):
         points = svg.split(" ")
-        assert len(points) == 5
         points = [self.coords.translate(*p.split(",")) for p in points]
         min_x, min_y = points[0]
         width = 0
@@ -57,14 +55,14 @@ def from_svg(self, g):
             rect = self.rect_from_svg_points(
                 SVG.get_first(g, "polygon").attrib["points"]
             )
-            shape = Shape.RECT
         else:
             rect = self.rect_from_ellipse_svg(SVG.get_first(g, "ellipse").attrib)
-            shape = Shape.ELLIPSE
 
         stroke = None
-        if "stroke" in g.attrib:
-            stroke = g.attrib["stroke"]
+        if SVG.has(g, "polygon"):
+            polygon = SVG.get_first(g, "polygon")
+            if "stroke" in polygon.attrib:
+                stroke = polygon.attrib["stroke"]
         fill = None
         if "fill" in g.attrib:
             fill = g.attrib["fill"]
@@ -75,5 +73,4 @@ def from_svg(self, g):
             texts=texts,
             fill=fill,
             stroke=stroke,
-            shape=shape,
         )

graphviz2drawio/mx/Shape.py

@@ -1,6 +1,37 @@
-from enum import Enum
-
-
-class Shape(Enum):
-    RECT = "rect"
-    ELLIPSE = "ellipse"
+ELLIPSE = "ellipse"
+OVAL = "oval"
+BOX = "box"
+RECT = "rect"
+RECTANGLE = "rectangle"
+HEXAGON = "hexagon"
+POLYGON = "polygon"
+CIRCLE = "circle"
+EGG = "egg"
+TRIANGLE = "triangle"
+PLAIN = "plain"
+DIAMOND = "diamond"
+TRAPEZIUM = "trapezium"
+PARALLELOGRAM = "parallelogram"
+HOUSE = "house"
+PENTAGON = "pentagon"
+OCTAGON = "octagon"
+DOUBLE_CIRCLE = "doublecircle"
+DOUBLE_OCTAGON = "doubleoctagon"
+INV_TRIANGLE = "invtriangle"
+INV_TRAPEZIUM = "invtrapezium"
+INV_HOUSE = "invhouse"
+SQUARE = "square"
+STAR = "star"
+UNDERLINE = "underline"
+CYLINDER = "cylinder"
+NOTE = "note"
+TAB = "tab"
+FOLDER = "folder"
+BOX_3D = "box3d"
+COMPONENT = "component"
+PROMOTER = "promoter"
+RPROMOTER = "rpromoter"
+LPROMOTER = "lpromoter"
+CDS = "cds"
+RARROW = "rarrow"
+LARROW = "larrow"

graphviz2drawio/mx/Styles.py

@@ -1,10 +1,112 @@
 from enum import Enum
+from . import Shape
 
 
 class Styles(Enum):
     NODE = "verticalAlign=top;align=left;overflow=fill;html=1;rounded=0;shadow=0;comic=0;labelBackgroundColor=none;strokeColor={stroke};strokeWidth=1;fillColor={fill};"
     EDGE = "edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;exitX={exit_x:.3g};exitY={exit_y:.3g};entryX={entry_x:.3g};entryY={entry_y:.3g};jettySize=auto;orthogonalLoop=1;endArrow={end_arrow};dashed={dashed};endFill={end_fill};"
     TEXT = "margin:0px;text-align:{align};{margin};font-size:{size}px;font-family:{family};color:{color};"
 
+    ELLIPSE = "ellipse;" + NODE
+    CIRCLE = "ellipse;aspect=fixed;" + NODE
+    HEXAGON = "shape=hexagon;perimeter=hexagonPerimeter2;" + NODE
+    EGG = "shape=mxgraph.flowchart.display;direction=south;" + NODE
+    TRIANGLE = "triangle;direction=north;" + NODE
+    LINE = "line;strokeWidth=2;verticalAlign=bottom;labelPosition=center;verticalLabelPosition=top;align=center;" + NODE
+    DIAMOND = "rhombus;" + NODE
+    TRAPEZOID = "shape=trapezoid;perimeter=trapezoidPerimeter;" + NODE
+    PARALLELOGRAM = "shape=parallelogram;perimeter=parallelogramPerimeter;" + NODE
+    HOUSE = "shape=offPageConnector;direction=west;" + NODE
+    PENTAGON = "shape=mxgraph.basic.pentagon;" + NODE
+    OCTAGON = "shape=mxgraph.basic.octagon2;align=center;verticalAlign=middle;dx=15;" + NODE
+    DOUBLE_CIRCLE = "ellipse;shape=doubleEllipse;aspect=fixed;" + NODE
+    DOUBLE_OCTAGON = "shape=image;html=1;verticalAlign=middle;verticalLabelPosition=middle;imageAspect=0;aspect=fixed;image=https://cdn4.iconfinder.com/data/icons/feather/24/octagon-128.png;labelPosition=center;align=center;" + NODE
+    INV_TRIANGLE = "triangle;direction=south;" + NODE
+    INV_TRAPEZOID = "shape=trapezoid;perimeter=trapezoidPerimeter;direction=west;" + NODE
+    INV_HOUSE = "shape=offPageConnector;direction=east;" + NODE
+    SQUARE = "aspect=fixed;" + NODE
+    STAR = "shape=mxgraph.basic.star;labelPosition=center;align=center;verticalLabelPosition=middle;verticalAlign=middle;" + NODE
+    UNDERLINE = "line;strokeWidth=2;verticalAlign=bottom;labelPosition=center;verticalLabelPosition=top;align=center;"
+    CYLINDER = "shape=cylinder;boundedLbl=1;backgroundOutline=1;" + NODE
+    NOTE = "shape=note;backgroundOutline=1;" + NODE
+    TAB = "shape=folder;tabWidth=40;tabHeight=14;tabPosition=left;" + NODE
+    FOLDER = "shape=mxgraph.office.concepts.folder;outlineConnect=0;align=center;verticalLabelPosition=middle;verticalAlign=middle;labelPosition=center;shadow=0;dashed=0;" + NODE
+    CUBE = "shape=cube;boundedLbl=1;backgroundOutline=1;" + NODE
+    COMPONENT = "shape=component;align=center;spacingLeft=36;verticalAlign=bottom;" + NODE
+    RPROMOTER = "shape=mxgraph.arrows2.bendArrow;dy=15;dx=38;notch=0;arrowHead=55;rounded=0;shadow=0;dashed=0;align=center;verticalAlign=middle;" + NODE
+    LPROMOTER = "flipH=1;" + RPROMOTER
+    CDS = "shape=mxgraph.arrows2.arrow;dy=0;dx=10;notch=0;shadow=0;dashed=0;align=center;verticalAlign=middle;" + NODE
+    RARROW = "shape=mxgraph.arrows2.arrow;dy=0.6;dx=40;align=center;labelPosition=center;notch=0;strokeWidth=2;verticalLabelPosition=middle;verticalAlign=middle;" + NODE
+    LARROW = "flipH=1;" + RARROW
+
+    @staticmethod
+    def get_for_shape(dot_shape):
+        if dot_shape == Shape.ELLIPSE or dot_shape == Shape.OVAL:
+            return Styles.ELLIPSE
+        elif dot_shape == Shape.BOX or dot_shape == Shape.RECT or dot_shape == Shape.RECTANGLE:
+            return Styles.NODE
+        elif dot_shape == Shape.HEXAGON or dot_shape == Shape.POLYGON:
+            return Styles.HEXAGON
+        elif dot_shape == Shape.CIRCLE:
+            return Styles.CIRCLE
+        elif dot_shape == Shape.EGG:
+            return Styles.EGG
+        elif dot_shape == Shape.TRIANGLE:
+            return Styles.TRIANGLE
+        elif dot_shape == Shape.PLAIN:
+            return Styles.LINE
+        elif dot_shape == Shape.DIAMOND:
+            return Styles.DIAMOND
+        elif dot_shape == Shape.TRAPEZIUM:
+            return Styles.TRAPEZOID
+        elif dot_shape == Shape.PARALLELOGRAM:
+            return Styles.PARALLELOGRAM
+        elif dot_shape == Shape.HOUSE:
+            return Styles.HOUSE
+        elif dot_shape == Shape.PENTAGON:
+            return Styles.PENTAGON
+        elif dot_shape == Shape.OCTAGON:
+            return Styles.OCTAGON
+        elif dot_shape == Shape.DOUBLE_CIRCLE:
+            return Styles.DOUBLE_CIRCLE
+        elif dot_shape == Shape.DOUBLE_OCTAGON:
+            return Styles.DOUBLE_OCTAGON
+        elif dot_shape == Shape.INV_TRIANGLE:
+            return Styles.INV_TRIANGLE
+        elif dot_shape == Shape.INV_TRAPEZIUM:
+            return Styles.INV_TRAPEZOID
+        elif dot_shape == Shape.INV_HOUSE:
+            return Styles.INV_HOUSE
+        elif dot_shape == Shape.SQUARE:
+            return Styles.SQUARE
+        elif dot_shape == Shape.STAR:
+            return Styles.STAR
+        elif dot_shape == Shape.UNDERLINE:
+            return Styles.UNDERLINE
+        elif dot_shape == Shape.CYLINDER:
+            return Styles.CYLINDER
+        elif dot_shape == Shape.NOTE:
+            return Styles.NODE
+        elif dot_shape == Shape.TAB:
+            return Styles.TAB
+        elif dot_shape == Shape.FOLDER:
+            return Styles.FOLDER
+        elif dot_shape == Shape.BOX_3D:
+            return Styles.CUBE
+        elif dot_shape == Shape.COMPONENT:
+            return Styles.COMPONENT
+        elif dot_shape == Shape.PROMOTER or dot_shape == Shape.RPROMOTER:
+            return Styles.RPROMOTER
+        elif dot_shape == Shape.LPROMOTER:
+            return Styles.LPROMOTER
+        elif dot_shape == Shape.CDS:
+            return Styles.CDS
+        elif dot_shape == Shape.RARROW:
+            return Styles.RARROW
+        elif dot_shape == Shape.LARROW:
+            return Styles.LARROW
+        else:
+            return Styles.NODE
+
     def format(self, **values):
         return self.value.format(**values)

graphviz2drawio/mx/Text.py

@@ -22,7 +22,7 @@ def get_mx_style(self):
             margin=margin,
             size=rescaled_size,
             family=self.family or MxConst.DEFAULT_FONT_FAMILY,
-            color=self.color,
+            color=self.color or MxConst.DEFAULT_FONT_COLOR,
         )
 
     @staticmethod
@@ -32,5 +32,5 @@ def from_svg(t):
             anchor=t.attrib["text-anchor"],
             family=t.attrib["font-family"],
             size=float(t.attrib["font-size"]),
-            color=t.attrib["fill"],
+            color=t.attrib["fill"] or None,
         )

graphviz2drawio/version.py

@@ -1 +1 @@
-__version__ = "0.0.4"
+__version__ = "0.0.5"