Package org.eclipse.nebula.visualization.xygraph.util

Class GraphicsUtil

java.lang.Object

org.eclipse.nebula.visualization.xygraph.util.GraphicsUtil

public final class GraphicsUtil
extends java.lang.Object

Utility function for graphics operations.

Author:

Xihui Chen

Constructor Summary

Constructors

Constructor	Description
GraphicsUtil()

Method Summary

Modifier and Type	Method	Description
static org.eclipse.swt.graphics.Cursor	createCursor(org.eclipse.swt.graphics.Device device, org.eclipse.swt.graphics.ImageData imageData, int width, int height)
static org.eclipse.swt.graphics.GC	createGC(org.eclipse.swt.graphics.Drawable image)	Used for single sourcing, returns null if called in RAP Context.
static void	drawVerticalText(org.eclipse.draw2d.Graphics graphics, java.lang.String text, int x, int y, boolean upToDown)	Draw vertical text.
static void	drawVerticalText(org.eclipse.draw2d.Graphics graphics, java.lang.String text, org.eclipse.draw2d.geometry.Point location, boolean upToDown)	Draw vertical text.
static boolean	isRAP()
static void	setTransform(org.eclipse.swt.graphics.GC gc, org.eclipse.swt.graphics.Transform transform)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GraphicsUtil

public GraphicsUtil()

Method Detail

drawVerticalText

public static final void drawVerticalText(org.eclipse.draw2d.Graphics graphics,
                                          java.lang.String text,
                                          int x,
                                          int y,
                                          boolean upToDown)

Draw vertical text.

Parameters:

graphics - draw2D graphics.

text - text to be drawn.

x - the x coordinate of the text, which is the left upper corner.

y - the y coordinate of the text, which is the left upper corner.

drawVerticalText

public static final void drawVerticalText(org.eclipse.draw2d.Graphics graphics,
                                          java.lang.String text,
                                          org.eclipse.draw2d.geometry.Point location,
                                          boolean upToDown)

Draw vertical text.

Parameters:

graphics - draw2D graphics.

text - text to be drawn.

location - the left upper corner coordinates of the text.

isRAP

public static final boolean isRAP()

createGC

public static org.eclipse.swt.graphics.GC createGC(org.eclipse.swt.graphics.Drawable image)

Used for single sourcing, returns null if called in RAP Context.

Parameters:

image -

Returns:

setTransform

public static void setTransform(org.eclipse.swt.graphics.GC gc,
                                org.eclipse.swt.graphics.Transform transform)

createCursor

public static org.eclipse.swt.graphics.Cursor createCursor(org.eclipse.swt.graphics.Device device,
                                                           org.eclipse.swt.graphics.ImageData imageData,
                                                           int width,
                                                           int height)