author | wenzelm |
Tue, 06 Jan 2015 16:33:30 +0100 | |
changeset 59302 | 4d985afc0565 |
parent 59294 | 126293918a37 |
child 59303 | 15cd9bcd6ddb |
permissions | -rw-r--r-- |
59202 | 1 |
/* Title: Tools/Graphview/shapes.scala |
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parents:
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2 |
Author: Markus Kaiser, TU Muenchen |
59240 | 3 |
Author: Makarius |
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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4 |
|
61988f9df94d
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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5 |
Drawable shapes. |
61988f9df94d
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parents:
diff
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6 |
*/ |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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7 |
|
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
8 |
package isabelle.graphview |
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
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9 |
|
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
10 |
|
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parents:
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import isabelle._ |
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more formal Graph_Display.Node (with ordering) and Graph_Display.Edge;
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parents:
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|
49557
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
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13 |
import java.awt.{BasicStroke, Graphics2D, Shape} |
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import java.awt.geom.{AffineTransform, GeneralPath, Path2D, Rectangle2D, PathIterator} |
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
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15 |
|
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
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|
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object Shapes |
18 |
{ |
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private val default_stroke = |
20 |
new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND) |
|
21 |
||
59258 | 22 |
object Node |
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{ |
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def shape(visualizer: Visualizer, node: Graph_Display.Node): Rectangle2D.Double = |
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{ |
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val metrics = visualizer.metrics |
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parents:
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val p = visualizer.get_vertex(Layout.Node(node)) |
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val bounds = metrics.string_bounds(node.toString) |
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parents:
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val w2 = ((bounds.getWidth + metrics.pad_x) / 2).ceil |
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parents:
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val h2 = ((bounds.getHeight + metrics.pad_y) / 2).ceil |
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parents:
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new Rectangle2D.Double(p.x - w2, p.y - h2, 2 * w2, 2 * h2) |
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parents:
diff
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} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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|
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def paint(gfx: Graphics2D, visualizer: Visualizer, node: Graph_Display.Node) |
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{ |
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val metrics = visualizer.metrics |
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val s = shape(visualizer, node) |
|
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parents:
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val c = visualizer.node_color(node) |
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val bounds = metrics.string_bounds(node.toString) |
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|
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gfx.setColor(c.background) |
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gfx.fill(s) |
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gfx.setColor(c.border) |
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gfx.setStroke(default_stroke) |
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gfx.draw(s) |
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|
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gfx.setColor(c.foreground) |
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gfx.setFont(metrics.font) |
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gfx.drawString(node.toString, |
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(s.getCenterX - bounds.getWidth / 2).round.toInt, |
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(s.getCenterY - bounds.getHeight / 2 + metrics.ascent).round.toInt) |
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
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} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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|
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object Dummy |
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{ |
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def shape(visualizer: Visualizer, d: Layout.Point): Rectangle2D.Double = |
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{ |
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val metrics = visualizer.metrics |
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parents:
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val w = metrics.dummy_width2 |
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new Rectangle2D.Double(d.x - w / 2, d.y - w / 2, w, w) |
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} |
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parents:
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|
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def paint(gfx: Graphics2D, visualizer: Visualizer, d: Layout.Point) |
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{ |
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gfx.setStroke(default_stroke) |
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gfx.setColor(visualizer.dummy_color) |
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gfx.draw(shape(visualizer, d)) |
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
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|
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object Straight_Edge |
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{ |
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def paint(gfx: Graphics2D, visualizer: Visualizer, edge: Graph_Display.Edge) |
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{ |
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wenzelm
parents:
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val p = visualizer.get_vertex(Layout.Node(edge._1)) |
4d985afc0565
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wenzelm
parents:
59294
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changeset
|
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val q = visualizer.get_vertex(Layout.Node(edge._2)) |
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val ds = |
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{ |
|
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val a = p.y min q.y |
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val b = p.y max q.y |
|
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wenzelm
parents:
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visualizer.dummies_iterator(edge).filter(d => a < d.y && d.y < b).toList |
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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84 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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val path = new GeneralPath(Path2D.WIND_EVEN_ODD, ds.length + 2) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
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parents:
diff
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|
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path.moveTo(p.x, p.y) |
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ds.foreach(d => path.lineTo(d.x, d.y)) |
|
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path.lineTo(q.x, q.y) |
|
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parents:
diff
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if (visualizer.show_dummies) |
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ds.foreach(Dummy.paint(gfx, visualizer, _)) |
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gfx.setStroke(default_stroke) |
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gfx.setColor(visualizer.edge_color(edge)) |
|
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gfx.draw(path) |
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if (visualizer.arrow_heads) |
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Arrow_Head.paint(gfx, path, Shapes.Node.shape(visualizer, edge._2)) |
|
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parents:
diff
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} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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} |
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|
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object Cardinal_Spline_Edge |
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{ |
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parents:
diff
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private val slack = 0.1 |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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|
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def paint(gfx: Graphics2D, visualizer: Visualizer, edge: Graph_Display.Edge) |
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{ |
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wenzelm
parents:
59294
diff
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val p = visualizer.get_vertex(Layout.Node(edge._1)) |
4d985afc0565
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wenzelm
parents:
59294
diff
changeset
|
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val q = visualizer.get_vertex(Layout.Node(edge._2)) |
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val ds = |
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{ |
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59262 | 113 |
val a = p.y min q.y |
114 |
val b = p.y max q.y |
|
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wenzelm
parents:
59294
diff
changeset
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visualizer.dummies_iterator(edge).filter(d => a < d.y && d.y < b).toList |
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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} |
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if (ds.isEmpty) Straight_Edge.paint(gfx, visualizer, edge) |
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parents:
diff
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else { |
61988f9df94d
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parents:
diff
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120 |
val path = new GeneralPath(Path2D.WIND_EVEN_ODD, ds.length + 2) |
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path.moveTo(p.x, p.y) |
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|
59262 | 123 |
val coords = p :: ds ::: List(q) |
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val dx = coords(2).x - coords(0).x |
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val dy = coords(2).y - coords(0).y |
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|
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val (dx2, dy2) = |
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((dx, dy) /: coords.sliding(3)) { |
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case ((dx, dy), List(l, m, r)) => |
|
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val dx2 = r.x - l.x |
|
131 |
val dy2 = r.y - l.y |
|
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path.curveTo( |
|
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l.x + slack * dx, l.y + slack * dy, |
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m.x - slack * dx2, m.y - slack * dy2, |
|
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m.x, m.y) |
|
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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(dx2, dy2) |
59262 | 137 |
} |
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|
59262 | 139 |
val l = ds.last |
140 |
path.curveTo( |
|
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l.x + slack * dx2, l.y + slack * dy2, |
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q.x - slack * dx2, q.y - slack * dy2, |
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q.x, q.y) |
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|
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if (visualizer.show_dummies) |
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ds.foreach(Dummy.paint(gfx, visualizer, _)) |
|
49557
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
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|
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gfx.setStroke(default_stroke) |
149 |
gfx.setColor(visualizer.edge_color(edge)) |
|
150 |
gfx.draw(path) |
|
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
151 |
|
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if (visualizer.arrow_heads) |
153 |
Arrow_Head.paint(gfx, path, Shapes.Node.shape(visualizer, edge._2)) |
|
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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154 |
} |
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} |
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61988f9df94d
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parents:
diff
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156 |
} |
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|
158 |
object Arrow_Head |
|
159 |
{ |
|
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parents:
diff
changeset
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160 |
type Point = (Double, Double) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
161 |
|
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private def position(path: GeneralPath, shape: Shape): Option[AffineTransform] = |
163 |
{ |
|
164 |
def intersecting_line(path: GeneralPath, shape: Shape): Option[(Point, Point)] = |
|
165 |
{ |
|
49745 | 166 |
val i = path.getPathIterator(null, 1.0) |
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wenzelm
parents:
59242
diff
changeset
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167 |
val seg = Array[Double](0.0, 0.0, 0.0, 0.0, 0.0, 0.0) |
49745 | 168 |
var p1 = (0.0, 0.0) |
169 |
var p2 = (0.0, 0.0) |
|
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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170 |
while (!i.isDone()) { |
61988f9df94d
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parents:
diff
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i.currentSegment(seg) match { |
61988f9df94d
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
172 |
case PathIterator.SEG_MOVETO => p2 = (seg(0), seg(1)) |
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case PathIterator.SEG_LINETO => |
174 |
p1 = p2 |
|
175 |
p2 = (seg(0), seg(1)) |
|
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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|
176 |
|
50467 | 177 |
if(shape.contains(seg(0), seg(1))) |
178 |
return Some((p1, p2)) |
|
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parents:
diff
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179 |
case _ => |
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parents:
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180 |
} |
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parents:
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181 |
i.next() |
61988f9df94d
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parents:
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182 |
} |
50467 | 183 |
None |
184 |
} |
|
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
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|
185 |
|
50467 | 186 |
def binary_search(line: (Point, Point), shape: Shape): Option[AffineTransform] = |
187 |
{ |
|
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parents:
diff
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188 |
val ((fx, fy), (tx, ty)) = line |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
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parents:
diff
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189 |
if (shape.contains(fx, fy) == shape.contains(tx, ty)) |
61988f9df94d
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parents:
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190 |
None |
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parents:
diff
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|
191 |
else { |
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parents:
diff
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|
192 |
val (dx, dy) = (fx - tx, fy - ty) |
49745 | 193 |
if ((dx * dx + dy * dy) < 1.0) { |
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61988f9df94d
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parents:
diff
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194 |
val at = AffineTransform.getTranslateInstance(fx, fy) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
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parents:
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195 |
at.rotate(- (math.atan2(dx, dy) + math.Pi / 2)) |
61988f9df94d
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parents:
diff
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|
196 |
Some(at) |
50467 | 197 |
} |
198 |
else { |
|
49745 | 199 |
val (mx, my) = (fx + (tx - fx) / 2.0, fy + (ty - fy) / 2.0) |
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Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
200 |
if (shape.contains(fx, fy) == shape.contains(mx, my)) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
201 |
binary_search(((mx, my), (tx, ty)), shape) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
202 |
else |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
203 |
binary_search(((fx, fy), (mx, my)), shape) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
204 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
205 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
206 |
} |
50467 | 207 |
|
49557
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
208 |
intersecting_line(path, shape) match { |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
209 |
case None => None |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
210 |
case Some(line) => binary_search(line, shape) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
211 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
212 |
} |
50467 | 213 |
|
59250 | 214 |
def paint(gfx: Graphics2D, path: GeneralPath, shape: Shape) |
50464 | 215 |
{ |
49557
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
216 |
position(path, shape) match { |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
217 |
case None => |
50479 | 218 |
case Some(at) => |
49557
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
219 |
val arrow = new GeneralPath(Path2D.WIND_EVEN_ODD, 3) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
220 |
arrow.moveTo(0, 0) |
50479 | 221 |
arrow.lineTo(-10, 4) |
222 |
arrow.lineTo(-6, 0) |
|
223 |
arrow.lineTo(-10, -4) |
|
49557
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
224 |
arrow.lineTo(0, 0) |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
225 |
arrow.transform(at) |
59250 | 226 |
gfx.fill(arrow) |
49557
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
227 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
228 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
229 |
} |
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
Markus Kaiser <markus.kaiser@in.tum.de>
parents:
diff
changeset
|
230 |
} |