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Java RenderContext.getGraphicsContext方法代码示例

本文整理汇总了Java中edu.uci.ics.jung.visualization.RenderContext.getGraphicsContext方法的典型用法代码示例。如果您正苦于以下问题：Java RenderContext.getGraphicsContext方法的具体用法？Java RenderContext.getGraphicsContext怎么用？Java RenderContext.getGraphicsContext使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类edu.uci.ics.jung.visualization.RenderContext的用法示例。


在下文中一共展示了RenderContext.getGraphicsContext方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: renderSet

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
private void renderSet(
        RenderContext<ViwnNode, ViwnEdge> rc,
        Point2D p,
        ViwnNodeSet node) {
    GraphicsDecorator g = rc.getGraphicsContext();
    String text = "" + node.getSynsets().size();

    Font f = new Font("Sansserif", Font.BOLD, 14);
    Font old_font = g.getFont();
    g.setFont(f);

    FontMetrics metrics = g.getFontMetrics(g.getFont());
    int width = metrics.stringWidth(text);
    int height = metrics.getHeight();

    g.setColor(Color.black);
    g.drawString(text,
            (int) p.getX() - width / 2,
            (int) p.getY());

    width = metrics.stringWidth("...");
    g.drawString("...",
            (int) p.getX() - width / 2,
            (int) p.getY() + 0.25f * height);
    g.setFont(old_font);
}
开发者ID:CLARIN-PL，项目名称:WordnetLoom，代码行数:27，代码来源:ViwnVertexRenderer.java

示例2: labelVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
@Override
public void labelVertex(RenderContext<GUINode, GUILink> rc, Layout<GUINode, GUILink> layout, GUINode v, String label)
{
    if (!callback.getVisualizationState().isVisibleInCanvas(v)) return;
    if (callback.getVisualizationState().isCanvasShowNodeNames() && v.getLayer().isDefaultLayer())
    {
        Point2D vertexPositionInPixels = layout.transform(v);
        vertexPositionInPixels = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, vertexPositionInPixels);
        final Component component = prepareRenderer(rc, rc.getVertexLabelRenderer(), "<html><font color='black'>" + v.getLabel() + "</font></html>", rc.getPickedVertexState().isPicked(v), v);
        final GraphicsDecorator g = rc.getGraphicsContext();
        final Dimension dimensionMessage = component.getPreferredSize();
        final Icon vertexIcon = v.getIcon();
        final Rectangle2D boundsVertex = new Rectangle2D.Double(vertexPositionInPixels.getX() - vertexIcon.getIconWidth() / 2, vertexPositionInPixels.getY() - vertexIcon.getIconHeight() / 2, vertexIcon.getIconWidth(), vertexIcon.getIconHeight());
        final Point anchorPointInPixels = getAnchorPoint(boundsVertex, dimensionMessage, Renderer.VertexLabel.Position.NE);
        g.draw(component, rc.getRendererPane(), anchorPointInPixels.x, anchorPointInPixels.y, dimensionMessage.width, dimensionMessage.height, true);
    }
}
开发者ID:girtel，项目名称:Net2Plan，代码行数:18，代码来源:JUNGCanvas.java

示例3: paintVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
@Override public void paintVertex(RenderContext<String, String> rc,
    Layout<String, String> layout, String vertex) {
  GraphicsDecorator graphicsContext = rc.getGraphicsContext();
  Point2D center = layout.transform(vertex);
  Shape shape = null;
  Color color = null;
  if(vertex.equals("Square")) {
    shape = new Rectangle((int)center.getX()-10, (int)center.getY()-10, 20, 20);
    color = new Color(127, 127, 0);
  } else if(vertex.equals("Rectangle")) {
    shape = new Rectangle((int)center.getX()-10, (int)center.getY()-20, 20, 40);
    color = new Color(127, 0, 127);
  } else if(vertex.equals("Circle")) {
    shape = new Ellipse2D.Double(center.getX()-10, center.getY()-10, 20, 20);
    color = new Color(0, 127, 127);
  }
  graphicsContext.setPaint(color);
  graphicsContext.fill(shape);
}
开发者ID:marcvanzee，项目名称:mdp-plan-revision，代码行数:20，代码来源:VertexShapes.java

示例4: paintEdge

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
public void paintEdge(RenderContext<V,E> rc, Layout<V, E> layout, E e) {
    GraphicsDecorator g2d = rc.getGraphicsContext();
    Graph<V,E> graph = layout.getGraph();
    if (!rc.getEdgeIncludePredicate().evaluate(Context.<Graph<V,E>,E>getInstance(graph,e)))
        return;
    
    // don't draw edge if either incident vertex is not drawn
    Pair<V> endpoints = graph.getEndpoints(e);
    V v1 = endpoints.getFirst();
    V v2 = endpoints.getSecond();
    if (!rc.getVertexIncludePredicate().evaluate(Context.<Graph<V,E>,V>getInstance(graph,v1)) || 
        !rc.getVertexIncludePredicate().evaluate(Context.<Graph<V,E>,V>getInstance(graph,v2)))
        return;
    
    Stroke new_stroke = rc.getEdgeStrokeTransformer().transform(e);
    Stroke old_stroke = g2d.getStroke();
    if (new_stroke != null)
        g2d.setStroke(new_stroke);
    
    drawSimpleEdge(rc, layout, e);

    // restore paint and stroke
    if (new_stroke != null)
        g2d.setStroke(old_stroke);

}
开发者ID:SiLeBAT，项目名称:BfROpenLab，代码行数:27，代码来源:BasicEdgeRenderer.java

示例5: labelVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
/**
* Labels the specified vertex with the specified label.  
* Uses the font specified by this instance's 
* <code>VertexFontFunction</code>.  (If the font is unspecified, the existing
* font for the graphics context is used.)  If vertex label centering
* is active, the label is centered on the position of the vertex; otherwise
   * the label is offset slightly.
   */
  public void labelVertex(RenderContext<V,E> rc, Layout<V,E> layout, V v, String label) {
  	Graph<V,E> graph = layout.getGraph();
      if (rc.getVertexIncludePredicate().evaluate(Context.<Graph<V,E>,V>getInstance(graph,v)) == false) {
      	return;
      }
      GraphicsDecorator g = rc.getGraphicsContext();
      Component component = prepareRenderer(rc, rc.getVertexLabelRenderer(), label,
      		rc.getPickedVertexState().isPicked(v), v);
      Dimension d = component.getPreferredSize();
      
      int h_offset = -d.width / 2;
      int v_offset = -d.height / 2;
      
      Point2D p = layout.transform(v);
      p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);

      int x = (int)p.getX();
      int y = (int)p.getY();

      g.draw(component, rc.getRendererPane(), x+h_offset, y+v_offset, d.width, d.height, true);

      Dimension size = component.getPreferredSize();
      Rectangle bounds = new Rectangle(-size.width/2 -2, -size.height/2 -2, size.width+4, size.height);
      shapes.put(v, bounds);
  }
开发者ID:SiLeBAT，项目名称:BfROpenLab，代码行数:34，代码来源:VertexLabelAsShapeRenderer.java

示例6: paintShapeForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
protected void paintShapeForVertex(RenderContext<V,E> rc, V v, Shape shape) {
    GraphicsDecorator g = rc.getGraphicsContext();
    Paint oldPaint = g.getPaint();
    Paint fillPaint = rc.getVertexFillPaintTransformer().transform(v);
    if(fillPaint != null) {
        g.setPaint(fillPaint);
        g.fill(shape);
        g.setPaint(oldPaint);
    }
    Paint drawPaint = rc.getVertexDrawPaintTransformer().transform(v);
    if(drawPaint != null) {
    	g.setPaint(drawPaint);
    	Stroke oldStroke = g.getStroke();
    	Stroke stroke = rc.getVertexStrokeTransformer().transform(v);
    	if(stroke != null) {
    		g.setStroke(stroke);
    	}
    	g.draw(shape);
    	g.setPaint(oldPaint);
    	g.setStroke(oldStroke);
    }
}
开发者ID:SiLeBAT，项目名称:BfROpenLab，代码行数:23，代码来源:BasicVertexRenderer.java

示例7: paintIconForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
/**
 * Paint <code>v</code>'s icon on <code>g</code> at <code>(x,y)</code>.
 */
protected void paintIconForVertex(RenderContext<V, E> rc, V v, Layout<V, E> layout) {
	GraphicsDecorator g = rc.getGraphicsContext();
	boolean vertexHit = true;
	// get the shape to be rendered
	Shape shape = rc.getVertexShapeTransformer().transform(v);

	Point2D p = layout.transform(v);
	p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
	float x = (float) p.getX();
	float y = (float) p.getY();
	// create a transform that translates to the location of
	// the vertex to be rendered
	AffineTransform xform = AffineTransform.getTranslateInstance(x, y);
	// transform the vertex shape with xtransform
	shape = xform.createTransformedShape(shape);

	vertexHit = vertexHit(rc, shape);
	// rc.getViewTransformer().transform(shape).intersects(deviceRectangle);

	if (vertexHit) {
		if (rc.getVertexIconTransformer() != null) {
			Icon icon = rc.getVertexIconTransformer().transform(v);
			if (icon != null) {

				g.draw(icon, rc.getScreenDevice(), shape, (int) x, (int) y);

			} else {
				paintShapeForVertex(rc, v, shape);
			}
		} else {
			paintShapeForVertex(rc, v, shape);
		}
	}
}
开发者ID:transwarpio，项目名称:rapidminer，代码行数:38，代码来源:TreeModelNodeRenderer.java

示例8: renderWord

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
private void renderWord(
        RenderContext<ViwnNode, ViwnEdge> rc,
        Point2D p,
        ViwnNodeWord node) {
    GraphicsDecorator g = rc.getGraphicsContext();
    String text = node.getLabel();

    FontMetrics metrics = g.getFontMetrics(g.getFont());
    int width = metrics.stringWidth(text);

    g.setColor(Color.black);
    g.drawString(text,
            (int) p.getX() - width / 2,
            (int) p.getY() + 5);
}
开发者ID:CLARIN-PL，项目名称:WordnetLoom，代码行数:16，代码来源:ViwnVertexRenderer.java

示例9: paintIconForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
public void paintIconForVertex(RenderContext<V,E> rc, V v, Layout<V,E> layout) {
	
    Point2D p = layout.transform(v);
    p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
    float x = (float)p.getX();
    float y = (float)p.getY();

    GraphicsDecorator g = rc.getGraphicsContext();
    boolean outlineImages = false;
    Transformer<V,Icon> vertexIconFunction = rc.getVertexIconTransformer();
    
    if(vertexIconFunction instanceof DemoVertexIconTransformer) {
        outlineImages = ((DemoVertexIconTransformer<V>)vertexIconFunction).isOutlineImages();
    }
    Icon icon = vertexIconFunction.transform(v);
    if(icon == null || outlineImages) {
        
        Shape s = AffineTransform.getTranslateInstance(x,y).
            createTransformedShape(rc.getVertexShapeTransformer().transform(v));
        paintShapeForVertex(rc, v, s);
    }
    if(icon != null) {
        int xLoc = (int) (x - icon.getIconWidth()/2);
        int yLoc = (int) (y - icon.getIconHeight()/2);
        icon.paintIcon(rc.getScreenDevice(), g.getDelegate(), xLoc, yLoc);
    }
}
开发者ID:marcvanzee，项目名称:mdp-plan-revision，代码行数:28，代码来源:VertexImageShaperDemo.java

示例10: labelEdge

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
@Override
public void labelEdge(RenderContext<V, E> rc, Layout<V, E> layout, E e, String label) {
	if (Strings.isNullOrEmpty(label)) {
		return;
	}

	Shape edgeShape = JungUtils.getTransformedEdgeShape(rc, layout, e);

	if (edgeShape == null) {
		return;
	}

	Line2D line = JungUtils.getLineInMiddle(edgeShape);

	GraphicsDecorator g = rc.getGraphicsContext();
	Font font = rc.getEdgeFontTransformer().transform(e);
	double width = font.getStringBounds(label, g.getFontRenderContext()).getWidth();
	AffineTransform old = g.getTransform();
	AffineTransform trans = new AffineTransform(old);
	double angle = Math.atan2(line.getY2() - line.getY1(), line.getX2() - line.getX1());

	if (angle < -Math.PI / 2) {
		angle += Math.PI;
	} else if (angle > Math.PI / 2) {
		angle -= Math.PI;
	}

	trans.translate(line.getX1(), line.getY1());
	trans.rotate(angle);
	g.setTransform(trans);
	g.setColor(rc.getPickedEdgeState().isPicked(e) ? Color.GREEN : Color.BLACK);
	g.setFont(rc.getEdgeFontTransformer().transform(e));
	g.drawString(label, (int) (-width / 2), 0);
	g.setTransform(old);
}
开发者ID:SiLeBAT，项目名称:BfROpenLab，代码行数:36，代码来源:BetterEdgeLabelRenderer.java

示例11: paintShapeForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
protected void paintShapeForVertex(RenderContext<V,E> rc, V v, Shape shape) {
    GraphicsDecorator g = rc.getGraphicsContext();
    Paint oldPaint = g.getPaint();
    Rectangle r = shape.getBounds();
    float y2 = (float)r.getMaxY();
    if(cyclic) {
    	y2 = (float)(r.getMinY()+r.getHeight()/2);
    }
    
    Paint fillPaint = null;
    if(pickedState != null && pickedState.isPicked(v)) {
    	fillPaint = new GradientPaint((float)r.getMinX(), (float)r.getMinY(), pickedColorOne,
        		(float)r.getMinX(), y2, pickedColorTwo, cyclic);
    } else {
    	fillPaint = new GradientPaint((float)r.getMinX(), (float)r.getMinY(), colorOne,
    		(float)r.getMinX(), y2, colorTwo, cyclic);
    }
    if(fillPaint != null) {
        g.setPaint(fillPaint);
        g.fill(shape);
        g.setPaint(oldPaint);
    }
    Paint drawPaint = rc.getVertexDrawPaintTransformer().transform(v);
    if(drawPaint != null) {
        g.setPaint(drawPaint);
    }
    Stroke oldStroke = g.getStroke();
    Stroke stroke = rc.getVertexStrokeTransformer().transform(v);
    if(stroke != null) {
        g.setStroke(stroke);
    }
    g.draw(shape);
    g.setPaint(oldPaint);
    g.setStroke(oldStroke);
}
开发者ID:SiLeBAT，项目名称:BfROpenLab，代码行数:36，代码来源:GradientVertexRenderer.java

示例12: paintIconForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
/**
 * Paint <code>v</code>'s icon on <code>g</code> at <code>(x,y)</code>.
 */
protected void paintIconForVertex(RenderContext<V,E> rc, V v, Layout<V,E> layout) {
    GraphicsDecorator g = rc.getGraphicsContext();
    boolean vertexHit = true;
    // get the shape to be rendered
    Shape shape = rc.getVertexShapeTransformer().transform(v);
    
    Point2D p = layout.transform(v);
    p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
    float x = (float)p.getX();
    float y = (float)p.getY();
    // create a transform that translates to the location of
    // the vertex to be rendered
    AffineTransform xform = AffineTransform.getTranslateInstance(x,y);
    // transform the vertex shape with xtransform
    shape = xform.createTransformedShape(shape);
    
    vertexHit = vertexHit(rc, shape);
        //rc.getViewTransformer().transform(shape).intersects(deviceRectangle);

    if (vertexHit) {
    	if(rc.getVertexIconTransformer() != null) {
    		Icon icon = rc.getVertexIconTransformer().transform(v);
    		if(icon != null) {
    		
       			g.draw(icon, rc.getScreenDevice(), shape, (int)x, (int)y);

    		} else {
    			paintShapeForVertex(rc, v, shape);
    		}
    	} else {
    		paintShapeForVertex(rc, v, shape);
    	}
    }
}
开发者ID:SiLeBAT，项目名称:BfROpenLab，代码行数:38，代码来源:BasicVertexRenderer.java

示例13: paintIconForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
/**
 * Paint <code>v</code>'s icon on <code>g</code> at <code>(x,y)</code>.
 */
protected void paintIconForVertex(RenderContext<V,E> rc, V v, Layout<V,E> layout) {
    GraphicsDecorator g = rc.getGraphicsContext();
    boolean vertexHit = true;
    // get the shape to be rendered
    Shape shape = rc.getVertexShapeTransformer().transform(v);
    
    Point2D p = layout.transform(v);
    p = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p);
    float x = (float)p.getX();
    float y = (float)p.getY();
    // create a transform that translates to the location of
    // the vertex to be rendered
    AffineTransform xform = AffineTransform.getTranslateInstance(x,y);
    // transform the vertex shape with xtransform
    shape = xform.createTransformedShape(shape);
    
    vertexHit = vertexHit(rc, shape);
        //rc.getViewTransformer().transform(shape).intersects(deviceRectangle);

    if (vertexHit) {
            if(rc.getVertexIconTransformer() != null) {
                    Icon icon = rc.getVertexIconTransformer().transform(v);
                    if(icon != null) {
                    
                               g.draw(icon, rc.getScreenDevice(), shape, (int)x, (int)y);

                    } else {
                            paintShapeForVertex(rc, v, shape);
                    }
            } else {
                    paintShapeForVertex(rc, v, shape);
            }
    }
}
开发者ID:rapidminer，项目名称:rapidminer-5，代码行数:38，代码来源:TreeModelNodeRenderer.java

示例14: labelEdge

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
public void labelEdge(final RenderContext<Node, Edge> rc, final Layout<Node, Edge> layout, final Edge e, final String label) {
    if (label == null || label.length() == 0) {
        return;
    }

    final Graph<Node, Edge> graph = layout.getGraph();
    // don't draw edge if either incident vertex is not drawn
    final Pair<Node> endpoints = graph.getEndpoints(e);
    final Node v1 = endpoints.getFirst();
    final Node v2 = endpoints.getSecond();
    if (!rc.getEdgeIncludePredicate().evaluate(Context.<Graph<Node, Edge>, Edge>getInstance(graph, e))) {
        return;
    }

    if (!rc.getVertexIncludePredicate().evaluate(Context.<Graph<Node, Edge>, Node>getInstance(graph, v1)) ||
        !rc.getVertexIncludePredicate().evaluate(Context.<Graph<Node, Edge>, Node>getInstance(graph, v2))) {
        return;
    }

    final Point2D p1 = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, layout.transform(v1));
    final Point2D p2 = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, layout.transform(v2));

    final GraphicsDecorator g = rc.getGraphicsContext();
    final Component component = prepareRenderer(rc, rc.getEdgeLabelRenderer(), label, rc.getPickedEdgeState().isPicked(e), e);
    final Dimension d = component.getPreferredSize();

    final AffineTransform old = g.getTransform();
    final AffineTransform xform = new AffineTransform(old);
    final FontMetrics fm = g.getFontMetrics();
    int w = fm.stringWidth(e.text);
    double p = Math.max(0, p1.getX() + p2.getX() - w);
    xform.translate(Math.min(layout.getSize().width - w, p / 2), (p1.getY() + p2.getY() - fm.getHeight()) / 2);
    g.setTransform(xform);
    g.draw(component, rc.getRendererPane(), 0, 0, d.width, d.height, true);

    g.setTransform(old);
}
开发者ID:apache，项目名称:incubator-batchee，代码行数:38，代码来源:DiagramGenerator.java

示例15: paintShapeForVertex

import edu.uci.ics.jung.visualization.RenderContext; //导入方法依赖的package包/类
protected void paintShapeForVertex(RenderContext<V, E> rc, V v, Shape shape) {
	GraphicsDecorator g = rc.getGraphicsContext();
	Paint oldPaint = g.getPaint();
	Paint fillPaint = rc.getVertexFillPaintTransformer().transform(v);
	if (fillPaint != null) {
		g.setPaint(fillPaint);
		g.fill(shape);
		g.setPaint(oldPaint);
	}
	Paint drawPaint = rc.getVertexDrawPaintTransformer().transform(v);
	if (drawPaint != null) {
		g.setPaint(drawPaint);
		Stroke oldStroke = g.getStroke();
		Stroke stroke = rc.getVertexStrokeTransformer().transform(v);
		if (stroke != null) {
			g.setStroke(stroke);
		}
		g.draw(shape);
		g.setPaint(oldPaint);
		g.setStroke(oldStroke);
	}

	// leaf: draw frequency colors
	if (graphCreator.isLeaf((String) v)) {
		Tree tree = graphCreator.getTree((String) v);
		Map<String, Integer> countMap = tree.getCounterMap();
		int numberOfLabels = countMap.size();
		int frequencySum = tree.getFrequencySum();

		double height = tree.getFrequencySum() / (double) maxLeafSize
				* (FREQUENCY_BAR_MAX_HEIGHT - FREQUENCY_BAR_MIN_HEIGHT) + FREQUENCY_BAR_MIN_HEIGHT;
		double width = shape.getBounds().getWidth() - 2 * FREQUENCY_BAR_OFFSET_X - 1;
		double xPos = shape.getBounds().getX() + FREQUENCY_BAR_OFFSET_X;
		double yPos = shape.getBounds().getY() + shape.getBounds().getHeight() - FREQUENCY_BAR_OFFSET_Y - height;
		ColorProvider colorProvider = new ColorProvider();
		for (String labelValue : countMap.keySet()) {
			int count = tree.getCount(labelValue);
			double currentWidth = ((double) count / (double) frequencySum) * width;
			Rectangle2D.Double frequencyRect = new Rectangle2D.Double(xPos, yPos, currentWidth, height);
			Attribute label = model.getTrainingHeader().getAttributes().getLabel();
               if (label.isNominal()) {
               	int counter = label.getMapping().mapString(labelValue);
				g.setColor(colorProvider.getPointColor((double) counter / (double) (numberOfLabels - 1)));
				g.fill(frequencyRect);
				g.setColor(Color.BLACK);
				xPos += currentWidth;
			}
		}
		g.setColor(Color.BLACK);
		g.draw(new Rectangle2D.Double(shape.getBounds().getX() + FREQUENCY_BAR_OFFSET_X, yPos, width, height));

		g.setPaint(oldPaint);
	}
}
开发者ID:transwarpio，项目名称:rapidminer，代码行数:55，代码来源:TreeModelNodeRenderer.java


注：本文中的edu.uci.ics.jung.visualization.RenderContext.getGraphicsContext方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。