Java Code Examples for java.awt.Graphics2D#getClip()

The following examples show how to use java.awt.Graphics2D#getClip() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: osp   File: YAxis.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Draws the axis in the drawing panel.
 * @param drawingPanel
 * @param g
 */
public void draw(DrawingPanel drawingPanel, Graphics g) {
  int pixLoc = drawingPanel.xToPix(location);
  if(pixLoc<1) {
    location = drawingPanel.getXMin();
  }
  if(pixLoc>drawingPanel.getWidth()-1) {
    location = drawingPanel.getXMax();
  }
  Graphics2D g2 = (Graphics2D) g;
  Shape clipShape = g2.getClip();
  g2.clipRect(0, 0, drawingPanel.getWidth(), drawingPanel.getHeight());
  switch(locationType) {
     case DRAW_AT_LOCATION :
     case DRAW_IN_DISPLAY :
       drawInsideDisplay(drawingPanel, g);
       break;
     case DRAW_IN_GUTTER :
       drawInsideGutter(drawingPanel, g);
       break;
     default :
       drawInsideDisplay(drawingPanel, g);
       break;
  }
  g2.setClip(clipShape);
}
 
Example 2
Source Project: osp   File: XAxis.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Draws the axis in the drawing panel.
 * @param drawingPanel
 * @param g
 */
public void draw(DrawingPanel drawingPanel, Graphics g) {
  int pixLoc = drawingPanel.yToPix(location);
  if(pixLoc<1) {
    location = drawingPanel.getYMin();
  }
  if(pixLoc>drawingPanel.getHeight()-1) {
    location = drawingPanel.getYMax();
  }
  Graphics2D g2 = (Graphics2D) g;
  Shape clipShape = g2.getClip();
  g2.clipRect(0, 0, drawingPanel.getWidth(), drawingPanel.getHeight());
  switch(locationType) {
     case DRAW_AT_LOCATION :
     case DRAW_IN_DISPLAY :
       drawInsideDisplay(drawingPanel, g);
       break;
     case DRAW_IN_GUTTER :
       drawInsideGutter(drawingPanel, g);
       break;
     default :
       drawInsideDisplay(drawingPanel, g);
       break;
  }
  g2.setClip(clipShape);
}
 
Example 3
@Override
public void draw(Graphics2D g2) {
	int hgap = (height - upButton.height - downButton.height) / 3;
	upButton.x = width - upButton.width /*  - gaps */;
	downButton.x = width - downButton.width /* - gaps */;
	upButton.y = hgap;
	downButton.y = hgap * 2 + upButton.height;
	Shape save0 = g2.getClip();
	g2.clipRect(0, 0, width, height);
	super.draw(g2);
	if (borderColor != 0) {
		g2.setColor(new Color(borderColor, true));
		g2.drawRect(0, 0, width - 1, height - 1);
	}
	g2.setClip(save0);
}
 
Example 4
Source Project: astor   File: SymbolAxis.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * Draws the grid bands.  Alternate bands are colored using 
 * <CODE>gridBandPaint<CODE> (<CODE>DEFAULT_GRID_BAND_PAINT</CODE> by 
 * default).
 *
 * @param g2  the graphics device.
 * @param plotArea  the area within which the chart should be drawn.
 * @param dataArea  the area within which the plot should be drawn (a 
 *                  subset of the drawArea).
 * @param edge  the axis location.
 * @param ticks  the ticks.
 */
protected void drawGridBands(Graphics2D g2,
                             Rectangle2D plotArea, 
                             Rectangle2D dataArea,
                             RectangleEdge edge, 
                             List ticks) {

    Shape savedClip = g2.getClip();
    g2.clip(dataArea);
    if (RectangleEdge.isTopOrBottom(edge)) {
        drawGridBandsHorizontal(g2, plotArea, dataArea, true, ticks);
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        drawGridBandsVertical(g2, plotArea, dataArea, true, ticks);
    }
    g2.setClip(savedClip);

}
 
Example 5
Source Project: ECG-Viewer   File: Plot.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * Draws the background image (if there is one) aligned within the
 * specified area.
 *
 * @param g2  the graphics device.
 * @param area  the area.
 *
 * @see #getBackgroundImage()
 * @see #getBackgroundImageAlignment()
 * @see #getBackgroundImageAlpha()
 */
public void drawBackgroundImage(Graphics2D g2, Rectangle2D area) {
    if (this.backgroundImage == null) {
        return;  // nothing to do
    }
    Composite savedComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
            this.backgroundImageAlpha));
    Rectangle2D dest = new Rectangle2D.Double(0.0, 0.0,
            this.backgroundImage.getWidth(null),
            this.backgroundImage.getHeight(null));
    Align.align(dest, area, this.backgroundImageAlignment);
    Shape savedClip = g2.getClip();
    g2.clip(area);
    g2.drawImage(this.backgroundImage, (int) dest.getX(),
            (int) dest.getY(), (int) dest.getWidth() + 1,
            (int) dest.getHeight() + 1, null);
    g2.setClip(savedClip);
    g2.setComposite(savedComposite);
}
 
Example 6
Source Project: SIMVA-SoS   File: Plot.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 
Example 7
Source Project: buffer_bci   File: Plot.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtilities.createTextBlock(
                this.noDataMessage, this.noDataMessageFont,
                this.noDataMessagePaint, 0.9f * (float) area.getWidth(),
                new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(),
                (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}
 
Example 8
Source Project: ccu-historian   File: Plot.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Draws the background image (if there is one) aligned within the
 * specified area.
 *
 * @param g2  the graphics device.
 * @param area  the area.
 *
 * @see #getBackgroundImage()
 * @see #getBackgroundImageAlignment()
 * @see #getBackgroundImageAlpha()
 */
public void drawBackgroundImage(Graphics2D g2, Rectangle2D area) {
    if (this.backgroundImage == null) {
        return;  // nothing to do
    }
    Composite savedComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
            this.backgroundImageAlpha));
    Rectangle2D dest = new Rectangle2D.Double(0.0, 0.0,
            this.backgroundImage.getWidth(null),
            this.backgroundImage.getHeight(null));
    Align.align(dest, area, this.backgroundImageAlignment);
    Shape savedClip = g2.getClip();
    g2.clip(area);
    g2.drawImage(this.backgroundImage, (int) dest.getX(),
            (int) dest.getY(), (int) dest.getWidth() + 1,
            (int) dest.getHeight() + 1, null);
    g2.setClip(savedClip);
    g2.setComposite(savedComposite);
}
 
Example 9
/**
 * Draws the element within the specified bounds.
 * 
 * @param g2  the graphics target ({@code null} not permitted).
 * @param bounds  the bounds ({@code null} not permitted).
 * @param onDrawHandler  an object that will receive notification before 
 *     and after the element is drawn ({@code null} permitted).
 * 
 * @since 1.3
 */
@Override
public void draw(Graphics2D g2, Rectangle2D bounds, 
        TableElementOnDraw onDrawHandler) {
    if (onDrawHandler != null) {
        onDrawHandler.beforeDraw(this, g2, bounds);
    }
    
    Shape savedClip = g2.getClip();
    g2.clip(bounds);
    
    // find the preferred size of the flow layout
    Dimension2D prefDim = preferredSize(g2, bounds);
    
    // fit a rectangle of this dimension to the bounds according to the 
    // element anchor
    Fit2D fitter = Fit2D.getNoScalingFitter(getRefPoint());
    Rectangle2D dest = fitter.fit(prefDim, bounds);
    
    // perform layout within this bounding rectangle
    List<Rectangle2D> layoutInfo = this.layoutElements(g2, dest, null);
    
    // draw the elements
    for (int i = 0; i < this.elements.size(); i++) {
        Rectangle2D rect = layoutInfo.get(i);
        TableElement element = this.elements.get(i);
        element.draw(g2, rect, onDrawHandler);
    }
    
    g2.setClip(savedClip);
    if (onDrawHandler != null) {
        onDrawHandler.afterDraw(this, g2, bounds);
    }
}
 
Example 10
Source Project: RipplePower   File: Graphics2DStore.java    License: Apache License 2.0 5 votes vote down vote up
public void save(Graphics2D g2d) {
	paint = g2d.getPaint();
	font = g2d.getFont();
	stroke = g2d.getStroke();
	transform = g2d.getTransform();
	composite = g2d.getComposite();
	clip = g2d.getClip();
	renderingHints = g2d.getRenderingHints();
	color = g2d.getColor();
	background = g2d.getBackground();
}
 
Example 11
Source Project: coming   File: Chart_15_PiePlot_s.java    License: MIT License 5 votes vote down vote up
/**
 * Draws the plot on a Java 2D graphics device (such as the screen or a 
 * printer).
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot, if there is one.
 * @param info  collects info about the drawing 
 *              (<code>null</code> permitted).
 */
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
                 PlotState parentState, PlotRenderingInfo info) {

    // adjust for insets...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    if (info != null) {
        info.setPlotArea(area);
        info.setDataArea(area);
    }

    drawBackground(g2, area);
    drawOutline(g2, area);

    Shape savedClip = g2.getClip();
    g2.clip(area);

    Composite originalComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 
            getForegroundAlpha()));

    if (!DatasetUtilities.isEmptyOrNull(this.dataset)) {
        drawPie(g2, area, info);
    }
    else {
        drawNoDataMessage(g2, area);
    }

    g2.setClip(savedClip);
    g2.setComposite(originalComposite);

    drawOutline(g2, area);

}
 
Example 12
Source Project: astor   File: PiePlot.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Draws the plot on a Java 2D graphics device (such as the screen or a 
 * printer).
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot, if there is one.
 * @param info  collects info about the drawing 
 *              (<code>null</code> permitted).
 */
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
                 PlotState parentState, PlotRenderingInfo info) {

    // adjust for insets...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    if (info != null) {
        info.setPlotArea(area);
        info.setDataArea(area);
    }

    drawBackground(g2, area);
    drawOutline(g2, area);

    Shape savedClip = g2.getClip();
    g2.clip(area);

    Composite originalComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 
            getForegroundAlpha()));

    if (!DatasetUtilities.isEmptyOrNull(this.dataset)) {
        drawPie(g2, area, info);
    }
    else {
        drawNoDataMessage(g2, area);
    }

    g2.setClip(savedClip);
    g2.setComposite(originalComposite);

    drawOutline(g2, area);

}
 
Example 13
/**
 * Draws the fast scatter plot on a Java 2D graphics device (such as the
 * screen or a printer).
 *
 * @param g2  the graphics device.
 * @param area   the area within which the plot (including axis labels)
 *                   should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot (ignored).
 * @param info  collects chart drawing information (<code>null</code>
 *              permitted).
 */
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
                 PlotState parentState, PlotRenderingInfo info) {

    // set up info collection...
    if (info != null) {
        info.setPlotArea(area);
    }

    // adjust the drawing area for plot insets (if any)...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    AxisSpace space = new AxisSpace();
    space = this.domainAxis.reserveSpace(g2, this, area,
            RectangleEdge.BOTTOM, space);
    space = this.rangeAxis.reserveSpace(g2, this, area, RectangleEdge.LEFT,
            space);
    Rectangle2D dataArea = space.shrink(area, null);

    if (info != null) {
        info.setDataArea(dataArea);
    }

    // draw the plot background and axes...
    drawBackground(g2, dataArea);

    AxisState domainAxisState = this.domainAxis.draw(g2,
            dataArea.getMaxY(), area, dataArea, RectangleEdge.BOTTOM, info);
    AxisState rangeAxisState = this.rangeAxis.draw(g2, dataArea.getMinX(),
            area, dataArea, RectangleEdge.LEFT, info);
    drawDomainGridlines(g2, dataArea, domainAxisState.getTicks());
    drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());

    Shape originalClip = g2.getClip();
    Composite originalComposite = g2.getComposite();

    g2.clip(dataArea);
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
            getForegroundAlpha()));

    render(g2, dataArea, info, null);

    g2.setClip(originalClip);
    g2.setComposite(originalComposite);
    drawOutline(g2, dataArea);

}
 
Example 14
/**
 * Draws the fast scatter plot on a Java 2D graphics device (such as the
 * screen or a printer).
 *
 * @param g2  the graphics device.
 * @param area   the area within which the plot (including axis labels)
 *                   should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot (ignored).
 * @param info  collects chart drawing information (<code>null</code>
 *              permitted).
 */
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
                 PlotState parentState,
                 PlotRenderingInfo info) {

    // set up info collection...
    if (info != null) {
        info.setPlotArea(area);
    }

    // adjust the drawing area for plot insets (if any)...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    AxisSpace space = new AxisSpace();
    space = this.domainAxis.reserveSpace(g2, this, area,
            RectangleEdge.BOTTOM, space);
    space = this.rangeAxis.reserveSpace(g2, this, area, RectangleEdge.LEFT,
            space);
    Rectangle2D dataArea = space.shrink(area, null);

    if (info != null) {
        info.setDataArea(dataArea);
    }

    // draw the plot background and axes...
    drawBackground(g2, dataArea);

    AxisState domainAxisState = this.domainAxis.draw(g2,
            dataArea.getMaxY(), area, dataArea, RectangleEdge.BOTTOM, info);
    AxisState rangeAxisState = this.rangeAxis.draw(g2, dataArea.getMinX(),
            area, dataArea, RectangleEdge.LEFT, info);
    drawDomainGridlines(g2, dataArea, domainAxisState.getTicks());
    drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());

    Shape originalClip = g2.getClip();
    Composite originalComposite = g2.getComposite();

    g2.clip(dataArea);
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
            getForegroundAlpha()));

    render(g2, dataArea, info, null);

    g2.setClip(originalClip);
    g2.setComposite(originalComposite);
    drawOutline(g2, dataArea);

}
 
Example 15
Source Project: FlatLaf   File: FlatComboBoxUI.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public void update( Graphics g, JComponent c ) {
	float focusWidth = FlatUIUtils.getBorderFocusWidth( c );
	float arc = FlatUIUtils.getBorderArc( c );

	// fill background if opaque to avoid garbage if user sets opaque to true
	if( c.isOpaque() && (focusWidth > 0 || arc > 0) )
		FlatUIUtils.paintParentBackground( g, c );

	Graphics2D g2 = (Graphics2D) g;
	FlatUIUtils.setRenderingHints( g2 );

	int width = c.getWidth();
	int height = c.getHeight();
	int arrowX = arrowButton.getX();
	int arrowWidth = arrowButton.getWidth();
	boolean paintButton = (comboBox.isEditable() || "button".equals( buttonStyle )) && !"none".equals( buttonStyle );
	boolean enabled = comboBox.isEnabled();
	boolean isLeftToRight = comboBox.getComponentOrientation().isLeftToRight();

	// paint background
	g2.setColor( getBackground( enabled ) );
	FlatUIUtils.paintComponentBackground( g2, 0, 0, width, height, focusWidth, arc );

	// paint arrow button background
	if( enabled ) {
		g2.setColor( paintButton ? buttonEditableBackground : buttonBackground );
		Shape oldClip = g2.getClip();
		if( isLeftToRight )
			g2.clipRect( arrowX, 0, width - arrowX, height );
		else
			g2.clipRect( 0, 0, arrowX + arrowWidth, height );
		FlatUIUtils.paintComponentBackground( g2, 0, 0, width, height, focusWidth, arc );
		g2.setClip( oldClip );
	}

	// paint vertical line between value and arrow button
	if( paintButton ) {
		g2.setColor( enabled ? borderColor : disabledBorderColor );
		float lw = scale( 1f );
		float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
		g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - 1 - (focusWidth * 2)) );
	}

	paint( g, c );
}
 
Example 16
Source Project: astor   File: WaferMapPlot.java    License: GNU General Public License v2.0 4 votes vote down vote up
/**
 * Calculates and draws the chip locations on the wafer.
 *
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 */
protected void drawChipGrid(Graphics2D g2, Rectangle2D plotArea) {

    Shape savedClip = g2.getClip();
    g2.setClip(getWaferEdge(plotArea));
    Rectangle2D chip = new Rectangle2D.Double();
    int xchips = 35;
    int ychips = 20;
    double space = 1d;
    if (this.dataset != null) {
        xchips = this.dataset.getMaxChipX() + 2;
        ychips = this.dataset.getMaxChipY() + 2;
        space = this.dataset.getChipSpace();
    }
    double startX = plotArea.getX();
    double startY = plotArea.getY();
    double chipWidth = 1d;
    double chipHeight = 1d;
    if (plotArea.getWidth() != plotArea.getHeight()) {
        double major = 0d;
        double minor = 0d;
        if (plotArea.getWidth() > plotArea.getHeight()) {
            major = plotArea.getWidth();
            minor = plotArea.getHeight();
        }
        else {
            major = plotArea.getHeight();
            minor = plotArea.getWidth();
        }
        //set upperLeft point
        if (plotArea.getWidth() == minor) { // x is minor
            startY += (major - minor) / 2;
            chipWidth = (plotArea.getWidth() - (space * xchips - 1))
                / xchips;
            chipHeight = (plotArea.getWidth() - (space * ychips - 1))
                / ychips;
        }
        else { // y is minor
            startX += (major - minor) / 2;
            chipWidth = (plotArea.getHeight() - (space * xchips - 1))
                / xchips;
            chipHeight = (plotArea.getHeight() - (space * ychips - 1))
                / ychips;
        }
    }

    for (int x = 1; x <= xchips; x++) {
        double upperLeftX = (startX - chipWidth) + (chipWidth * x)
            + (space * (x - 1));
        for (int y = 1; y <= ychips; y++) {
            double upperLeftY = (startY - chipHeight) + (chipHeight * y)
                + (space * (y - 1));
            chip.setFrame(upperLeftX, upperLeftY, chipWidth, chipHeight);
            g2.setColor(Color.white);
            if (this.dataset.getChipValue(x - 1, ychips - y - 1) != null) {
                g2.setPaint(
                    this.renderer.getChipColor(
                        this.dataset.getChipValue(x - 1, ychips - y - 1)
                    )
                );
            }
            g2.fill(chip);
            g2.setColor(Color.lightGray);
            g2.draw(chip);
        }
    }
    g2.setClip(savedClip);
}
 
Example 17
/**
 * Draws the fast scatter plot on a Java 2D graphics device (such as the
 * screen or a printer).
 *
 * @param g2  the graphics device.
 * @param area   the area within which the plot (including axis labels)
 *                   should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot (ignored).
 * @param info  collects chart drawing information (<code>null</code>
 *              permitted).
 */
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
                 PlotState parentState, PlotRenderingInfo info) {

    // set up info collection...
    if (info != null) {
        info.setPlotArea(area);
    }

    // adjust the drawing area for plot insets (if any)...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    AxisSpace space = new AxisSpace();
    space = this.domainAxis.reserveSpace(g2, this, area,
            RectangleEdge.BOTTOM, space);
    space = this.rangeAxis.reserveSpace(g2, this, area, RectangleEdge.LEFT,
            space);
    Rectangle2D dataArea = space.shrink(area, null);

    if (info != null) {
        info.setDataArea(dataArea);
    }

    // draw the plot background and axes...
    drawBackground(g2, dataArea);

    AxisState domainAxisState = this.domainAxis.draw(g2,
            dataArea.getMaxY(), area, dataArea, RectangleEdge.BOTTOM, info);
    AxisState rangeAxisState = this.rangeAxis.draw(g2, dataArea.getMinX(),
            area, dataArea, RectangleEdge.LEFT, info);
    drawDomainGridlines(g2, dataArea, domainAxisState.getTicks());
    drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());

    Shape originalClip = g2.getClip();
    Composite originalComposite = g2.getComposite();

    g2.clip(dataArea);
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
            getForegroundAlpha()));

    render(g2, dataArea, info, null);

    g2.setClip(originalClip);
    g2.setComposite(originalComposite);
    drawOutline(g2, dataArea);

}
 
Example 18
Source Project: SIMVA-SoS   File: PolarPlot.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Draws the plot on a Java 2D graphics device (such as the screen or a
 * printer).
 * <P>
 * This plot relies on a {@link PolarItemRenderer} to draw each
 * item in the plot.  This allows the visual representation of the data to
 * be changed easily.
 * <P>
 * The optional info argument collects information about the rendering of
 * the plot (dimensions, tooltip information etc).  Just pass in
 * <code>null</code> if you do not need this information.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot (including axes and
 *              labels) should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  ignored.
 * @param info  collects chart drawing information (<code>null</code>
 *              permitted).
 */
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
        PlotState parentState, PlotRenderingInfo info) {

    // if the plot area is too small, just return...
    boolean b1 = (area.getWidth() <= MINIMUM_WIDTH_TO_DRAW);
    boolean b2 = (area.getHeight() <= MINIMUM_HEIGHT_TO_DRAW);
    if (b1 || b2) {
        return;
    }

    // record the plot area...
    if (info != null) {
        info.setPlotArea(area);
    }

    // adjust the drawing area for the plot insets (if any)...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    Rectangle2D dataArea = area;
    if (info != null) {
        info.setDataArea(dataArea);
    }

    // draw the plot background and axes...
    drawBackground(g2, dataArea);
    int axisCount = this.axes.size();
    AxisState state = null;
    for (int i = 0; i < axisCount; i++) {
        ValueAxis axis = getAxis(i);
        if (axis != null) {
            PolarAxisLocation location
                    = (PolarAxisLocation) this.axisLocations.get(i);
            AxisState s = this.drawAxis(axis, location, g2, dataArea);
            if (i == 0) {
                state = s;
            }
        }
    }

    // now for each dataset, get the renderer and the appropriate axis
    // and render the dataset...
    Shape originalClip = g2.getClip();
    Composite originalComposite = g2.getComposite();

    g2.clip(dataArea);
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
            getForegroundAlpha()));
    this.angleTicks = refreshAngleTicks();
    drawGridlines(g2, dataArea, this.angleTicks, state.getTicks());
    render(g2, dataArea, info);
    g2.setClip(originalClip);
    g2.setComposite(originalComposite);
    drawOutline(g2, dataArea);
    drawCornerTextItems(g2, dataArea);
}
 
Example 19
@Override
	public void draw(Graphics2D grx, JRPrintText text, int offsetX, int offsetY)
	{
		textRenderer.initialize(grx, text, offsetX, offsetY);
		
		JRStyledText styledText = textRenderer.getStyledText();
		
		if (styledText == null)
		{
			return;
		}

		double angle = 0;
		
		switch (text.getRotationValue())
		{
			case LEFT :
			{
				angle = - Math.PI / 2;
				break;
			}
			case RIGHT :
			{
				angle = Math.PI / 2;
				break;
			}
			case UPSIDE_DOWN :
			{
				angle = Math.PI;
				break;
			}
			case NONE :
			default :
			{
			}
		}
		
		Shape oldClip = grx.getClip();

		grx.rotate(angle, textRenderer.getX(), textRenderer.getY());

		if (text.getModeValue() == ModeEnum.OPAQUE)
		{
			grx.setColor(text.getBackcolor());
			grx.fillRect(textRenderer.getX(), textRenderer.getY(), textRenderer.getWidth(), textRenderer.getHeight()); 
		}
//		else
//		{
//			/*
//			grx.setColor(text.getForecolor());
//			grx.setStroke(new BasicStroke(1));
//			grx.drawRect(x, y, width, height);
//			*/
//		}

		grx.clip(
			new Rectangle(
				textRenderer.getX() + textRenderer.getLeftPadding(),
				textRenderer.getY() + textRenderer.getTopPadding(), 
				textRenderer.getWidth() - textRenderer.getLeftPadding() - textRenderer.getRightPadding(), 
				textRenderer.getHeight() - textRenderer.getTopPadding() - textRenderer.getBottomPadding()
				)
			);

		try
		{
			String allText = textRenderer.getPlainText();
			if (allText.length() > 0)
			{
				grx.setColor(text.getForecolor());

				/*   */
				textRenderer.render();
			}
		}
		finally
		{
			grx.rotate(-angle, textRenderer.getX(), textRenderer.getY());
			grx.setClip(oldClip);
		}
		
		/*   */
		drawBox(grx, text.getLineBox(), text, offsetX, offsetY);
	}
 
Example 20
Source Project: SIMVA-SoS   File: DialValueIndicator.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Draws the background to the specified graphics device.  If the dial
 * frame specifies a window, the clipping region will already have been
 * set to this window before this method is called.
 *
 * @param g2  the graphics device (<code>null</code> not permitted).
 * @param plot  the plot (ignored here).
 * @param frame  the dial frame (ignored here).
 * @param view  the view rectangle (<code>null</code> not permitted).
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame,
        Rectangle2D view) {

    // work out the anchor point
    Rectangle2D f = DialPlot.rectangleByRadius(frame, this.radius,
            this.radius);
    Arc2D arc = new Arc2D.Double(f, this.angle, 0.0, Arc2D.OPEN);
    Point2D pt = arc.getStartPoint();

    // the indicator bounds is calculated from the templateValue (which
    // determines the minimum size), the maxTemplateValue (which, if
    // specified, provides a maximum size) and the actual value
    FontMetrics fm = g2.getFontMetrics(this.font);
    double value = plot.getValue(this.datasetIndex);
    String valueStr = this.formatter.format(value);
    Rectangle2D valueBounds = TextUtilities.getTextBounds(valueStr, g2, fm);

    // calculate the bounds of the template value
    String s = this.formatter.format(this.templateValue);
    Rectangle2D tb = TextUtilities.getTextBounds(s, g2, fm);
    double minW = tb.getWidth();
    double minH = tb.getHeight();

    double maxW = Double.MAX_VALUE;
    double maxH = Double.MAX_VALUE;
    if (this.maxTemplateValue != null) {
        s = this.formatter.format(this.maxTemplateValue);
        tb = TextUtilities.getTextBounds(s, g2, fm);
        maxW = Math.max(tb.getWidth(), minW);
        maxH = Math.max(tb.getHeight(), minH);
    }
    double w = fixToRange(valueBounds.getWidth(), minW, maxW);
    double h = fixToRange(valueBounds.getHeight(), minH, maxH);

    // align this rectangle to the frameAnchor
    Rectangle2D bounds = RectangleAnchor.createRectangle(new Size2D(w, h),
            pt.getX(), pt.getY(), this.frameAnchor);

    // add the insets
    Rectangle2D fb = this.insets.createOutsetRectangle(bounds);

    // draw the background
    g2.setPaint(this.backgroundPaint);
    g2.fill(fb);

    // draw the border
    g2.setStroke(this.outlineStroke);
    g2.setPaint(this.outlinePaint);
    g2.draw(fb);

    // now find the text anchor point
    Shape savedClip = g2.getClip();
    g2.clip(fb);

    Point2D pt2 = RectangleAnchor.coordinates(bounds, this.valueAnchor);
    g2.setPaint(this.paint);
    g2.setFont(this.font);
    TextUtilities.drawAlignedString(valueStr, g2, (float) pt2.getX(),
            (float) pt2.getY(), this.textAnchor);
    g2.setClip(savedClip);

}