Java Stroke類代碼示例

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {
    StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();
    StackedXYAreaRenderer r2 = new StackedXYAreaRenderer();
    assertEquals(r1, r2);
    assertEquals(r2, r1);
    
    r1.setShapePaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 
            3.0f, 4.0f, Color.green));
    assertFalse(r1.equals(r2));
    r2.setShapePaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 
            3.0f, 4.0f, Color.green));
    assertTrue(r1.equals(r2));
    
    Stroke s = new BasicStroke(1.23f);
    r1.setShapeStroke(s);
    assertFalse(r1.equals(r2));
    r2.setShapeStroke(s);
    assertTrue(r1.equals(r2)); 
}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Draws a domain crosshair.
 * 
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param orientation  the plot orientation.
 * @param value  the crosshair value.
 * @param axis  the axis against which the value is measured.
 * @param stroke  the stroke used to draw the crosshair line.
 * @param paint  the paint used to draw the crosshair line.
 * 
 * @since 1.0.4
 */
protected void drawDomainCrosshair(Graphics2D g2, Rectangle2D dataArea, 
        PlotOrientation orientation, double value, ValueAxis axis, 
        Stroke stroke, Paint paint) {
    
    if (axis.getRange().contains(value)) {
        Line2D line = null;
        if (orientation == PlotOrientation.VERTICAL) {
            double xx = axis.valueToJava2D(value, dataArea, 
                    RectangleEdge.BOTTOM);
            line = new Line2D.Double(xx, dataArea.getMinY(), xx, 
                    dataArea.getMaxY());
        }
        else {
            double yy = axis.valueToJava2D(value, dataArea, 
                    RectangleEdge.LEFT);
            line = new Line2D.Double(dataArea.getMinX(), yy, 
                    dataArea.getMaxX(), yy);
        }
        g2.setStroke(stroke);
        g2.setPaint(paint);
        g2.draw(line);
    }
    
}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * 
 */
public Stroke createStroke(Map<String, Object> style)
{
	double width = mxUtils
			.getFloat(style, mxConstants.STYLE_STROKEWIDTH, 1) * scale;
	boolean dashed = mxUtils.isTrue(style, mxConstants.STYLE_DASHED);
	if (dashed)
	{
		float[] dashPattern = mxUtils.getFloatArray(style,
				mxConstants.STYLE_DASH_PATTERN,
				mxConstants.DEFAULT_DASHED_PATTERN, " ");
		float[] scaledDashPattern = new float[dashPattern.length];

		for (int i = 0; i < dashPattern.length; i++)
		{
			scaledDashPattern[i] = (float) (dashPattern[i] * scale * width);
		}

		return new BasicStroke((float) width, BasicStroke.CAP_BUTT,
				BasicStroke.JOIN_MITER, 10.0f, scaledDashPattern, 0.0f);
	}
	else
	{
		return new BasicStroke((float) width);
	}
}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Sets the stroke used to outline the plot area and sends a {@link PlotChangeEvent} to all
 * registered listeners. If you set this attribute to <code>null<.code>, no outline will be 
 * drawn.
 *
 * @param stroke  the stroke (<code>null</code> permitted).
 */
public void setOutlineStroke(Stroke stroke) {

    if (stroke == null) {
        if (this.outlineStroke != null) {
            this.outlineStroke = null;
            notifyListeners(new PlotChangeEvent(this));
        }
    }
    else {
        if (this.outlineStroke != null) {
            if (this.outlineStroke.equals(stroke)) {
                return;  // nothing to do
            }
        }
        this.outlineStroke = stroke;
        notifyListeners(new PlotChangeEvent(this));
    }

}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Constructor for ClipPath.
 *
 * @param xValue  x coordinates of curved to be created
 * @param yValue  y coordinates of curved to be created
 * @param fillPath  whether the path is to filled
 * @param drawPath  whether the path is to drawn as an outline
 * @param fillPaint  the fill paint
 * @param drawPaint  the outline stroke color
 * @param drawStroke  the stroke style
 * @param composite  the composite rule
 */
public ClipPath(double[] xValue, double[] yValue, boolean fillPath, boolean drawPath,
                 Paint fillPaint, Paint drawPaint, Stroke drawStroke, Composite composite) {

    this.xValue = xValue;
    this.yValue = yValue;

    this.fillPath = fillPath;
    this.drawPath = drawPath;

    this.fillPaint = fillPaint;
    this.drawPaint = drawPaint;
    this.drawStroke = drawStroke;
    this.composite = composite;

}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Utility method for drawing a line perpendicular to the range axis (used for crosshairs).
 *
 * @param g2  the graphics device.
 * @param dataArea  the area defined by the axes.
 * @param value  the data value.
 * @param stroke  the line stroke.
 * @param paint  the line paint.
 */
protected void drawRangeLine(Graphics2D g2,
                             Rectangle2D dataArea,
                             double value, Stroke stroke, Paint paint) {

    double java2D = getRangeAxis().valueToJava2D(value, dataArea, getRangeAxisEdge());
    Line2D line = null;
    if (this.orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(java2D, dataArea.getMinY(), java2D, dataArea.getMaxY());
    }
    else if (this.orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(dataArea.getMinX(), java2D, dataArea.getMaxX(), java2D);
    }
    g2.setStroke(stroke);
    g2.setPaint(paint);
    g2.draw(line);

}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Creates a new annotation that draws a line from (x1, y1) to (x2, y2) 
 * where the coordinates are measured in data space (that is, against the 
 * plot's axes).
 *
 * @param x1  the x-coordinate for the start of the line.
 * @param y1  the y-coordinate for the start of the line.
 * @param x2  the x-coordinate for the end of the line.
 * @param y2  the y-coordinate for the end of the line.
 * @param stroke  the line stroke (<code>null</code> not permitted).
 * @param paint  the line color (<code>null</code> not permitted).
 */
public XYLineAnnotation(double x1, double y1, double x2, double y2,
                        Stroke stroke, Paint paint) {

    if (stroke == null) {
        throw new IllegalArgumentException("Null 'stroke' argument.");   
    }
    if (paint == null) {
        throw new IllegalArgumentException("Null 'paint' argument.");   
    }
    this.x1 = x1;
    this.y1 = y1;
    this.x2 = x2;
    this.y2 = y2;
    this.stroke = stroke;
    this.paint = paint;

}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Creates a new annotation.  The array of polygon coordinates must 
 * contain an even number of coordinates (each pair is an (x, y) location 
 * on the plot) and the last point is automatically joined back to the 
 * first point.
 *
 * @param polygon  the coordinates of the polygon's vertices 
 *     (<code>null</code> not permitted).
 * @param stroke  the shape stroke (<code>null</code> permitted).
 * @param outlinePaint  the shape color (<code>null</code> permitted).
 * @param fillPaint  the paint used to fill the shape (<code>null</code> 
 *                   permitted).
 */
public XYPolygonAnnotation(double[] polygon, 
                           Stroke stroke, 
                           Paint outlinePaint, Paint fillPaint) {
    if (polygon == null) {
        throw new IllegalArgumentException("Null 'polygon' argument.");
    }
    if (polygon.length % 2 != 0) {
        throw new IllegalArgumentException("The 'polygon' array must " 
                + "contain an even number of items.");
    }
    this.polygon = (double[]) polygon.clone();
    this.stroke = stroke;
    this.outlinePaint = outlinePaint;
    this.fillPaint = fillPaint;
}
 

import java.awt.Stroke; //導入依賴的package包/類
public void draw(GamePiece p, Graphics g, int x, int y, Component obs, double zoom) {
  final Graphics2D g2d = (Graphics2D) g;
  if (accept(p)) {
    if (useImage) {
      final int x1 = x - (int) (imagePainter.getImageSize().width * zoom / 2);
      final int y1 = y - (int) (imagePainter.getImageSize().height * zoom / 2);
      imagePainter.draw(g, x1, y1, zoom, obs);
    }
    else {
      if (color == null || thickness <= 0) {
        return;
      }
      final Shape s = p.getShape();
      final Stroke str = g2d.getStroke();
      g2d.setStroke(new BasicStroke(Math.max(1, Math.round(zoom * thickness))));
      g2d.setColor(color);
      final AffineTransform t = AffineTransform.getScaleInstance(zoom, zoom);
      t.translate(x / zoom, y / zoom);
      g2d.draw(t.createTransformedShape(s));
      g2d.setStroke(str);
    }
  }
}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Draw a semi-trasparent area that is the filtered area
 * @param g The graphic object
 * @param filteredArea The filtered area
 */
public void drawFiltArea(Graphics2D g, Area filtArea) {
	AffineTransform t = new AffineTransform();
	t.scale(scale / 100, scale / 100);
	AffineTransform t2 = new AffineTransform();
	t2.translate(tran_x, tran_y);

	filtArea.transform(t);
	filtArea.transform(t2);

	Stroke oldStro = g.getStroke();
	Stroke stroke = new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
	g.setStroke(stroke);

	g.setColor(Color.gray);
	Composite oldComp = g.getComposite();
	Composite alphaComp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f);
	g.setComposite(alphaComp);

	g.fill(filtArea);
	g.setComposite(oldComp);
	g.setStroke(oldStro);
}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * Draws the gridlines for the plot.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param ticks  the ticks.
 */
protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea, List ticks) {
    // draw the range grid lines, if any...
    if (isRangeGridlinesVisible()) {
        Stroke gridStroke = getRangeGridlineStroke();
        Paint gridPaint = getRangeGridlinePaint();
        if ((gridStroke != null) && (gridPaint != null)) {
            ValueAxis axis = getRangeAxis();
            if (axis != null) {
                Iterator iterator = ticks.iterator();
                while (iterator.hasNext()) {
                    ValueTick tick = (ValueTick) iterator.next();
                    CategoryItemRenderer renderer1 = getRenderer();
                    if (renderer1 != null) {
                        renderer1.drawRangeGridline(
                            g2, this, getRangeAxis(), dataArea, tick.getValue()
                        );
                    }
                }
            }
        }
    }
}
 

import java.awt.Stroke; //導入依賴的package包/類
public void draw(Graphics2D g) {
	if(!plot)return;
	Stroke stroke = g.getStroke();
	g.setStroke( new BasicStroke( 1f/(float)map.getZoom() ));
	if(enabled) {
		g.setColor(Color.black);
	} else {
		g.setColor(new Color(120, 90, 60));
	}
	for( int k=0 ; k<cruises.size() ; k++) {
		Vector t = ((MBCruise)cruises.get(k)).tracks;
		for( int i=0 ; i<t.size() ; i++) {
			((MBTrack)t.get(i)).draw(g);
		}
	}
	if(enabled) {
		drawSelectedCruise(g, Color.white);
		drawSelectedTrack(g, cruiseColor);
	}
	g.setStroke(stroke);
}
 

import java.awt.Stroke; //導入依賴的package包/類
@Override
public void render(final Graphics2D g, final Point2D emitterOrigin) {
  final Point2D renderLocation = this.getLocation(emitterOrigin);
  g.setColor(this.getColor());
  Stroke oldStroke = g.getStroke();
  g.setStroke(this.getStroke());
  g.draw(new Ellipse2D.Double(renderLocation.getX(), renderLocation.getY(), this.getWidth(), this.getHeight()));
  g.setStroke(oldStroke);
}
 

import java.awt.Stroke; //導入依賴的package包/類
public static Stroke getStroke(String name, Stroke defaultStroke) {
    String val = getString(name);
    if (val == null)
        return defaultStroke;
    ByteArrayInputStream is = new ByteArrayInputStream(
            DatatypeConverter.parseHexBinary(val));
    try {
        return DataLoader.readStroke(is, new DataLoader.MemoryData());
    } catch (IOException e) {// shell never happen
        e.printStackTrace();
        return null;
    }
}
 

import java.awt.Stroke; //導入依賴的package包/類
/**
 * The advance line is the line drawn at the limit of the current cycle, 
 * when erasing the previous cycle. 
 * 
 * @param stroke  the stroke (<code>null</code> not permitted).
 */
public void setAdvanceLineStroke(Stroke stroke) {
    if (stroke == null) {
        throw new IllegalArgumentException("Null 'stroke' argument.");
    }
    this.advanceLineStroke = stroke;
}