Package de.intarsys.cwt.swt.environment

Class CwtSwtGraphicsContext

java.lang.Object

de.intarsys.cwt.swt.environment.CwtSwtGraphicsContext

All Implemented Interfaces:

IGraphicsContext

public class CwtSwtGraphicsContext
extends java.lang.Object
implements IGraphicsContext

An IGraphicsContext mapping to SWT.

It is currently not safe to use this IGraphicsContext concurrently.

Constructor Summary

Constructors

Constructor	Description
CwtSwtGraphicsContext(org.eclipse.swt.graphics.GC paramGC, org.eclipse.swt.graphics.Device paramDevice)

Method Summary

Modifier and Type	Method	Description
protected void	applyAlphaBackground()
protected void	applyAlphaForeground()
protected void	applyClip()
protected void	applyTransform()
void	clip(java.awt.Shape shape)	Clip the subsequent drawing operations to the shape.
protected org.eclipse.swt.graphics.Path	createPath(java.awt.Shape s)
void	dispose()	Dispose the current context and all its resources.
void	draw(java.awt.Shape s)	Draw s using the current graphics context state.
void	drawImage(IImage image, float x, float y)	Draw image image at coordinates x, y.
void	drawString(java.lang.String s, float x, float y)	Draw a plain text string in the graphics.
void	fill(java.awt.Shape s)	Fill s using the current graphics context state.
java.awt.Color	getBackgroundColor()	The current background color.
BlendMode	getBlendMode()
java.awt.Shape	getClip()	The current clip.
org.eclipse.swt.graphics.Device	getDevice()
java.awt.Font	getFont()
java.awt.font.FontRenderContext	getFontRenderContext()
java.awt.Color	getForegroundColor()	The current foregroumd color.
org.eclipse.swt.graphics.GC	getGc()
IGraphicsEnvironment	getGraphicsEnvironment()	The associated IGraphicsEnvironment
java.awt.RenderingHints	getRenderingHints()	The current RenderingHints
java.awt.geom.AffineTransform	getTransform()	The transformatiom currentlz active.
protected float[]	getTransformationValues(java.awt.geom.AffineTransform tx)
void	resetAdvanced()
void	rotate(float theta)	Rotate the currently active transformation by theta.
void	scale(float x, float y)	Scale the currently active transformation by x, y
void	setBackgroundColor(java.awt.Color color)	Assign a new background color.
void	setBackgroundColor(org.eclipse.swt.graphics.Color resource)
void	setBackgroundPaint(IPaint paint)	Assign a new background IPaint.
void	setBackgroundPattern(org.eclipse.swt.graphics.Pattern resource)
void	setBlendMode(BlendMode blendMode)
void	setClip(java.awt.Shape shape)	Assign the new shape as the clipping shape.
void	setFont(java.awt.Font awtFont)	Set the current font for writing plain text in the graphics.
void	setForegroundColor(java.awt.Color color)	Assign a new foreground color.
void	setForegroundColor(org.eclipse.swt.graphics.Color resource)
void	setForegroundPaint(IPaint paint)	Assign a new foreground IPaint
void	setForegroundPattern(org.eclipse.swt.graphics.Pattern resource)
void	setRenderingHint(java.awt.RenderingHints.Key hintKey, java.lang.Object hintValue)	Set a specific rendering hint.
void	setRenderingHints(java.util.Map hints)	Assign the currently active rendering hints.
void	setStroke(java.awt.Stroke s)	Assign the currently active Stroke
void	setTransform(java.awt.geom.AffineTransform pTransform)	Set the currently active AffineTransform
java.awt.Point	textExtent(java.lang.String s)
static org.eclipse.swt.graphics.Path	toPath(org.eclipse.swt.graphics.Device device, java.awt.geom.PathIterator pathIterator)
static java.awt.geom.Rectangle2D	toRectangle2D(org.eclipse.swt.graphics.Rectangle rect)
static org.eclipse.swt.graphics.Transform	toTransform(org.eclipse.swt.graphics.Device device, java.awt.geom.AffineTransform at)	This methods intentionally duplicated to avoid compile time dependency..
static org.eclipse.swt.graphics.Transform	toTransform(org.eclipse.swt.graphics.Device device, org.eclipse.swt.graphics.Transform st, java.awt.geom.AffineTransform at)	This methods intentionally duplicated to avoid compile time dependency..
void	transform(java.awt.geom.AffineTransform deltaTransform)	Transform the IGraphicsEnvironment by transform
void	translate(float x, float y)	translate the currently active transformation by x, y

Methods inherited from class java.lang.Object

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

Constructor Detail

CwtSwtGraphicsContext

public CwtSwtGraphicsContext(org.eclipse.swt.graphics.GC paramGC,
                             org.eclipse.swt.graphics.Device paramDevice)

Method Detail

toPath

public static org.eclipse.swt.graphics.Path toPath(org.eclipse.swt.graphics.Device device,
                                                   java.awt.geom.PathIterator pathIterator)

toRectangle2D

public static java.awt.geom.Rectangle2D toRectangle2D(org.eclipse.swt.graphics.Rectangle rect)

toTransform

public static org.eclipse.swt.graphics.Transform toTransform(org.eclipse.swt.graphics.Device device,
                                                             java.awt.geom.AffineTransform at)

This methods intentionally duplicated to avoid compile time dependency..

toTransform

public static org.eclipse.swt.graphics.Transform toTransform(org.eclipse.swt.graphics.Device device,
                                                             org.eclipse.swt.graphics.Transform st,
                                                             java.awt.geom.AffineTransform at)

This methods intentionally duplicated to avoid compile time dependency..

applyAlphaBackground

protected void applyAlphaBackground()

applyAlphaForeground

protected void applyAlphaForeground()

applyClip

protected void applyClip()

applyTransform

protected void applyTransform()

clip

public void clip(java.awt.Shape shape)

Description copied from interface: IGraphicsContext

Clip the subsequent drawing operations to the shape. This adds the new clip shape to the existing one.

Specified by:

clip in interface IGraphicsContext

createPath

protected org.eclipse.swt.graphics.Path createPath(java.awt.Shape s)

dispose

public void dispose()

Description copied from interface: IGraphicsContext

Dispose the current context and all its resources.

Specified by:

dispose in interface IGraphicsContext

draw

public void draw(java.awt.Shape s)

Description copied from interface: IGraphicsContext

Draw s using the current graphics context state.

Specified by:

draw in interface IGraphicsContext

drawImage

public void drawImage(IImage image,
                      float x,
                      float y)

Description copied from interface: IGraphicsContext

Draw image image at coordinates x, y.

Specified by:

drawImage in interface IGraphicsContext

drawString

public void drawString(java.lang.String s,
                       float x,
                       float y)

Description copied from interface: IGraphicsContext

Draw a plain text string in the graphics.

Specified by:

drawString in interface IGraphicsContext

fill

public void fill(java.awt.Shape s)

Description copied from interface: IGraphicsContext

Fill s using the current graphics context state.

Specified by:

fill in interface IGraphicsContext

getBackgroundColor

public java.awt.Color getBackgroundColor()

Description copied from interface: IGraphicsContext

The current background color.

Specified by:

getBackgroundColor in interface IGraphicsContext

Returns:

getBlendMode

public BlendMode getBlendMode()

getClip

public java.awt.Shape getClip()

Description copied from interface: IGraphicsContext

The current clip.

Specified by:

getClip in interface IGraphicsContext

Returns:

getDevice

public org.eclipse.swt.graphics.Device getDevice()

getFont

public java.awt.Font getFont()

getFontRenderContext

public java.awt.font.FontRenderContext getFontRenderContext()

getForegroundColor

public java.awt.Color getForegroundColor()

Description copied from interface: IGraphicsContext

The current foregroumd color.

Specified by:

getForegroundColor in interface IGraphicsContext

Returns:

getGc

public org.eclipse.swt.graphics.GC getGc()

getGraphicsEnvironment

public IGraphicsEnvironment getGraphicsEnvironment()

Description copied from interface: IGraphicsContext

The associated IGraphicsEnvironment

Specified by:

getGraphicsEnvironment in interface IGraphicsContext

Returns:

getRenderingHints

public java.awt.RenderingHints getRenderingHints()

Description copied from interface: IGraphicsContext

The current RenderingHints

Specified by:

getRenderingHints in interface IGraphicsContext

Returns:

getTransform

public java.awt.geom.AffineTransform getTransform()

Description copied from interface: IGraphicsContext

The transformatiom currentlz active.

Specified by:

getTransform in interface IGraphicsContext

Returns:

getTransformationValues

protected float[] getTransformationValues(java.awt.geom.AffineTransform tx)

resetAdvanced

public void resetAdvanced()

rotate

public void rotate(float theta)

Description copied from interface: IGraphicsContext

Rotate the currently active transformation by theta.

Specified by:

rotate in interface IGraphicsContext

scale

public void scale(float x,
                  float y)

Description copied from interface: IGraphicsContext

Scale the currently active transformation by x, y

Specified by:

scale in interface IGraphicsContext

setBackgroundColor

public void setBackgroundColor(java.awt.Color color)

Description copied from interface: IGraphicsContext

Assign a new background color.

Specified by:

setBackgroundColor in interface IGraphicsContext

setBackgroundColor

public void setBackgroundColor(org.eclipse.swt.graphics.Color resource)

setBackgroundPaint

public void setBackgroundPaint(IPaint paint)

Description copied from interface: IGraphicsContext

Assign a new background IPaint.

Specified by:

setBackgroundPaint in interface IGraphicsContext

setBackgroundPattern

public void setBackgroundPattern(org.eclipse.swt.graphics.Pattern resource)

setBlendMode

public void setBlendMode(BlendMode blendMode)

setClip

public void setClip(java.awt.Shape shape)

Description copied from interface: IGraphicsContext

Assign the new shape as the clipping shape.

Specified by:

setClip in interface IGraphicsContext

setFont

public void setFont(java.awt.Font awtFont)

Description copied from interface: IGraphicsContext

Set the current font for writing plain text in the graphics.

Specified by:

setFont in interface IGraphicsContext

setForegroundColor

public void setForegroundColor(java.awt.Color color)

Description copied from interface: IGraphicsContext

Assign a new foreground color.

Specified by:

setForegroundColor in interface IGraphicsContext

setForegroundColor

public void setForegroundColor(org.eclipse.swt.graphics.Color resource)

setForegroundPaint

public void setForegroundPaint(IPaint paint)

Description copied from interface: IGraphicsContext

Assign a new foreground IPaint

Specified by:

setForegroundPaint in interface IGraphicsContext

setForegroundPattern

public void setForegroundPattern(org.eclipse.swt.graphics.Pattern resource)

setRenderingHint

public void setRenderingHint(java.awt.RenderingHints.Key hintKey,
                             java.lang.Object hintValue)

Description copied from interface: IGraphicsContext

Set a specific rendering hint.

Specified by:

setRenderingHint in interface IGraphicsContext

setRenderingHints

public void setRenderingHints(java.util.Map hints)

Description copied from interface: IGraphicsContext

Assign the currently active rendering hints.

Specified by:

setRenderingHints in interface IGraphicsContext

setStroke

public void setStroke(java.awt.Stroke s)

Description copied from interface: IGraphicsContext

Assign the currently active Stroke

Specified by:

setStroke in interface IGraphicsContext

setTransform

public void setTransform(java.awt.geom.AffineTransform pTransform)

Description copied from interface: IGraphicsContext

Set the currently active AffineTransform

Specified by:

setTransform in interface IGraphicsContext

textExtent

public java.awt.Point textExtent(java.lang.String s)

transform

public void transform(java.awt.geom.AffineTransform deltaTransform)

Description copied from interface: IGraphicsContext

Transform the IGraphicsEnvironment by transform

Specified by:

transform in interface IGraphicsContext

translate

public void translate(float x,
                      float y)

Description copied from interface: IGraphicsContext

translate the currently active transformation by x, y

Specified by:

translate in interface IGraphicsContext