Package org.apache.xmlgraphics.java2d
Class GraphicsConfigurationWithTransparency
- java.lang.Object
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- java.awt.GraphicsConfiguration
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- org.apache.xmlgraphics.java2d.AbstractGraphicsConfiguration
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- org.apache.xmlgraphics.java2d.GraphicsConfigurationWithTransparency
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public class GraphicsConfigurationWithTransparency extends AbstractGraphicsConfiguration
An implementation ofGraphicsConfiguration
that supports transparencies (alpha channels).
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Field Summary
Fields Modifier and Type Field Description private static java.awt.image.BufferedImage
BI_WITH_ALPHA
private static java.awt.image.BufferedImage
BI_WITHOUT_ALPHA
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Constructor Summary
Constructors Constructor Description GraphicsConfigurationWithTransparency()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.awt.image.BufferedImage
createCompatibleImage(int width, int height)
Construct a buffered image with an alpha channel.java.awt.image.BufferedImage
createCompatibleImage(int width, int height, int transparency)
Construct a buffered image with an alpha channel, unless transparency is OPAQUE (no alpha at all).java.awt.Rectangle
getBounds()
TODO: This should return the page bounds in Pts, I couldn't figure out how to get this for the current page (this still works for now, but it should be fixed...).java.awt.image.ColorModel
getColorModel()
Return a good default color model for this 'device'.java.awt.image.ColorModel
getColorModel(int transparency)
Return a good color model giventransparency
java.awt.geom.AffineTransform
getDefaultTransform()
The default transform (1:1).java.awt.GraphicsDevice
getDevice()
Return our dummy instance of GraphicsDevicejava.awt.geom.AffineTransform
getNormalizingTransform()
The normalizing transform (1:1) (since we currently render images at 72dpi, which we might want to change in the future).-
Methods inherited from class org.apache.xmlgraphics.java2d.AbstractGraphicsConfiguration
createCompatibleVolatileImage, createCompatibleVolatileImage
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Method Detail
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createCompatibleImage
public java.awt.image.BufferedImage createCompatibleImage(int width, int height, int transparency)
Construct a buffered image with an alpha channel, unless transparency is OPAQUE (no alpha at all).- Overrides:
createCompatibleImage
in classjava.awt.GraphicsConfiguration
- Parameters:
width
- the width of the imageheight
- the height of the imagetransparency
- the alpha value of the image- Returns:
- the new buffered image
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createCompatibleImage
public java.awt.image.BufferedImage createCompatibleImage(int width, int height)
Construct a buffered image with an alpha channel.- Overrides:
createCompatibleImage
in classjava.awt.GraphicsConfiguration
- Parameters:
width
- the width of the imageheight
- the height of the image- Returns:
- the new buffered image
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getBounds
public java.awt.Rectangle getBounds()
TODO: This should return the page bounds in Pts, I couldn't figure out how to get this for the current page (this still works for now, but it should be fixed...).- Specified by:
getBounds
in classjava.awt.GraphicsConfiguration
- Returns:
- the bounds of the document page
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getColorModel
public java.awt.image.ColorModel getColorModel()
Return a good default color model for this 'device'.- Specified by:
getColorModel
in classjava.awt.GraphicsConfiguration
- Returns:
- the colour model for the configuration
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getColorModel
public java.awt.image.ColorModel getColorModel(int transparency)
Return a good color model giventransparency
- Specified by:
getColorModel
in classjava.awt.GraphicsConfiguration
- Parameters:
transparency
- the alpha value for the colour model- Returns:
- the colour model for the configuration
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getDefaultTransform
public java.awt.geom.AffineTransform getDefaultTransform()
The default transform (1:1).- Specified by:
getDefaultTransform
in classjava.awt.GraphicsConfiguration
- Returns:
- the default transform for the configuration
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getNormalizingTransform
public java.awt.geom.AffineTransform getNormalizingTransform()
The normalizing transform (1:1) (since we currently render images at 72dpi, which we might want to change in the future).- Specified by:
getNormalizingTransform
in classjava.awt.GraphicsConfiguration
- Returns:
- the normalizing transform for the configuration
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getDevice
public java.awt.GraphicsDevice getDevice()
Return our dummy instance of GraphicsDevice- Specified by:
getDevice
in classjava.awt.GraphicsConfiguration
- Returns:
- the graphics device
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