java.lang.Object
org.apache.batik.ext.awt.image.renderable.AbstractRable
org.apache.batik.ext.awt.image.renderable.FilterResRable8Bit
- All Implemented Interfaces:
- Filter, FilterResRable, PaintRable, java.awt.image.renderable.RenderableImage
- public class FilterResRable8Bit
- extends AbstractRable
- implements FilterResRable, PaintRable
Interface for implementing filter resolution.
- Version:
- $Id: FilterResRable8Bit.java,v 1.11 2004/08/18 07:13:59 vhardy Exp $
| Methods inherited from class org.apache.batik.ext.awt.image.renderable.AbstractRable |
createDefaultRendering, createScaledRendering, getBounds2D, getDependencyRegion, getDirtyRegion, getHeight, getMinX, getMinY, getProperty, getPropertyNames, getSources, getTimeStamp, getWidth, init, init, init, init, isDynamic, touch |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
filterResolutionX
private int filterResolutionX
- Filter resolution along the x-axis
filterResolutionY
private int filterResolutionY
- Filter resolution along the y-axis
resRed
java.lang.ref.Reference resRed
- Cached Rendered image at filterRes.
resScale
float resScale
FilterResRable8Bit
public FilterResRable8Bit()
FilterResRable8Bit
public FilterResRable8Bit(Filter src,
int filterResX,
int filterResY)
getSource
public Filter getSource()
- Returns the source to be cropped.
- Specified by:
getSource in interface FilterResRable
setSource
public void setSource(Filter src)
- Sets the source to be cropped
- Specified by:
setSource in interface FilterResRable
getFilterResolutionX
public int getFilterResolutionX()
- Returns the resolution along the X axis.
- Specified by:
getFilterResolutionX in interface FilterResRable
setFilterResolutionX
public void setFilterResolutionX(int filterResolutionX)
- Sets the resolution along the X axis, i.e., the maximum
size for intermediate images along that axis.
The value should be greater than zero to have an effect.
Negative values are illegal.
- Specified by:
setFilterResolutionX in interface FilterResRable
getFilterResolutionY
public int getFilterResolutionY()
- Returns the resolution along the Y axis.
- Specified by:
getFilterResolutionY in interface FilterResRable
setFilterResolutionY
public void setFilterResolutionY(int filterResolutionY)
- Sets the resolution along the Y axis, i.e., the maximum
size for intermediate images along that axis.
If the Y-value is less than zero, the scale applied to
the rendered images is computed to preserve the image's aspect ratio
- Specified by:
setFilterResolutionY in interface FilterResRable
allPaintRable
public boolean allPaintRable(java.awt.image.renderable.RenderableImage ri)
- This returns true if ri and all of ri's
sources implement the PaintRable interface. This is used to
indicate that the chain has a good potential for bypassing the
filterRes operation entirely.
Ideally there would be a checkPaintRable method in PaintRable
that could be used to get a definate answer about a filters
ability to draw directly to a Graphics2D (this can sometimes
'fail' because of the way the Graphics2D is currently
configured).
distributeAcross
public boolean distributeAcross(java.awt.image.renderable.RenderableImage src,
java.awt.Graphics2D g2d)
- This function attempts to distribute the filterRes operation
across src. Right now it knows about two operations, pad and
composite. It's main target is the composite but often pad
operations are sprinked in the chain so it needs to know about
them. This list could be extended however if it gets much
longer it should probably be rolled into a new 'helper interface'
like PaintRable.
NOTE: This is essentially a bad hack, but it is a hack that is
recomended by the SVG specification so I do it.
paintRable
public boolean paintRable(java.awt.Graphics2D g2d)
- Should perform the equivilent action as
createRendering followed by drawing the RenderedImage.
- Specified by:
paintRable in interface PaintRable
getResScale
private float getResScale()
getResRed
private java.awt.image.RenderedImage getResRed(java.awt.RenderingHints hints)
createRendering
public java.awt.image.RenderedImage createRendering(java.awt.image.renderable.RenderContext renderContext)
- Specified by:
createRendering in interface java.awt.image.renderable.RenderableImage
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