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java.lang.Objectorg.jfree.chart.block.AbstractBlock
org.jfree.chart.title.Title
org.jfree.chart.title.ImageTitle
A chart title that displays an image. This is useful, for example, if you have an image of your corporate logo and want to use as a footnote or part of a title in a chart you create.
ImageTitle needs an image passed to it in the constructor. For ImageTitle to work, you must have already loaded this image from its source (disk or URL). It is recomended you use something like Toolkit.getDefaultToolkit().getImage() to get the image. Then, use MediaTracker or some other message to make sure the image is fully loaded from disk.
Field Summary |
Fields inherited from class org.jfree.chart.title.Title |
DEFAULT_HORIZONTAL_ALIGNMENT, DEFAULT_PADDING, DEFAULT_POSITION, DEFAULT_VERTICAL_ALIGNMENT |
Constructor Summary | |
ImageTitle(java.awt.Image image)
Creates a new image title. |
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ImageTitle(java.awt.Image image,
int height,
int width,
RectangleEdge position,
HorizontalAlignment horizontalAlignment,
VerticalAlignment verticalAlignment,
RectangleInsets padding)
Creates a new image title with the given image scaled to the given width and height in the given location. |
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ImageTitle(java.awt.Image image,
RectangleEdge position,
HorizontalAlignment horizontalAlignment,
VerticalAlignment verticalAlignment)
Creates a new image title. |
Method Summary | |
void |
draw(java.awt.Graphics2D g2,
java.awt.geom.Rectangle2D titleArea)
Draws the title on a Java 2D graphics device (such as the screen or a printer). |
protected Size2D |
drawHorizontal(java.awt.Graphics2D g2,
java.awt.geom.Rectangle2D chartArea)
Draws the title on a Java 2D graphics device (such as the screen or a printer). |
protected Size2D |
drawVertical(java.awt.Graphics2D g2,
java.awt.geom.Rectangle2D chartArea)
Draws the title on a Java 2D graphics device (such as the screen or a printer). |
java.awt.Image |
getImage()
Returns the image for the title. |
void |
setImage(java.awt.Image image)
Sets the image for the title and notifies registered listeners that the title has been modified. |
Methods inherited from class org.jfree.chart.title.Title |
addChangeListener, clone, equals, getHorizontalAlignment, getNotify, getPosition, getVerticalAlignment, hashCode, notifyListeners, removeChangeListener, setHorizontalAlignment, setNotify, setPosition, setVerticalAlignment |
Methods inherited from class org.jfree.chart.block.AbstractBlock |
arrange, arrange, calculateTotalHeight, calculateTotalWidth, drawBorder, getBorder, getBounds, getHeight, getID, getMargin, getPadding, getWidth, setBorder, setBounds, setHeight, setID, setMargin, setPadding, setWidth, toContentConstraint, trimBorder, trimMargin, trimPadding, trimToContentHeight, trimToContentWidth |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.jfree.chart.block.Block |
arrange, arrange, getBounds, getID, setBounds, setID |
Constructor Detail |
public ImageTitle(java.awt.Image image)
image
- the image.public ImageTitle(java.awt.Image image, RectangleEdge position, HorizontalAlignment horizontalAlignment, VerticalAlignment verticalAlignment)
image
- the image.position
- the title position.horizontalAlignment
- the horizontal alignment.verticalAlignment
- the vertical alignment.public ImageTitle(java.awt.Image image, int height, int width, RectangleEdge position, HorizontalAlignment horizontalAlignment, VerticalAlignment verticalAlignment, RectangleInsets padding)
image
- the image (not null).height
- the height used to draw the image.width
- the width used to draw the image.position
- the title position.horizontalAlignment
- the horizontal alignment.verticalAlignment
- the vertical alignment.padding
- the amount of space to leave around the outside of the
title.Method Detail |
public java.awt.Image getImage()
public void setImage(java.awt.Image image)
image
- the new image (null
not permitted).public void draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D titleArea)
draw
in class Title
g2
- the graphics device.titleArea
- the area within which the title (and plot) should be
drawn.protected Size2D drawHorizontal(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D chartArea)
g2
- the graphics device.chartArea
- the area within which the title (and plot) should be
drawn.
protected Size2D drawVertical(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D chartArea)
g2
- the graphics device.chartArea
- the area within which the title (and plot) should be
drawn.
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