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java.lang.Objectcom.jhlabs.image.AbstractBufferedImageOp
com.jhlabs.image.TransformFilter
com.jhlabs.image.PerspectiveFilter
public class PerspectiveFilter
A filter which performs a perspective distortion on an image.
Field Summary |
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Fields inherited from class com.jhlabs.image.TransformFilter |
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BILINEAR, CLAMP, edgeAction, interpolation, NEAREST_NEIGHBOUR, originalSpace, transformedSpace, WRAP, ZERO |
Constructor Summary | |
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PerspectiveFilter()
Construct a PerspectiveFilter. |
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PerspectiveFilter(float x0,
float y0,
float x1,
float y1,
float x2,
float y2,
float x3,
float y3)
Construct a PerspectiveFilter. |
Method Summary | |
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float |
getOriginX()
Get the origin of the output image. |
float |
getOriginY()
Get the origin of the output image. |
void |
setCorners(float x0,
float y0,
float x1,
float y1,
float x2,
float y2,
float x3,
float y3)
Set the new positions of the image corners. |
java.lang.String |
toString()
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protected void |
transformInverse(int x,
int y,
float[] out)
Inverse transform a point. |
protected void |
transformSpace(java.awt.Rectangle rect)
Forward transform a rectangle. |
Methods inherited from class com.jhlabs.image.TransformFilter |
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filter, filterPixelsNN, getEdgeAction, getInterpolation, setEdgeAction, setInterpolation |
Methods inherited from class com.jhlabs.image.AbstractBufferedImageOp |
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clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public PerspectiveFilter()
public PerspectiveFilter(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3)
x0
- the new position of the top left cornery0
- the new position of the top left cornerx1
- the new position of the top right cornery1
- the new position of the top right cornerx2
- the new position of the bottom right cornery2
- the new position of the bottom right cornerx3
- the new position of the bottom left cornery3
- the new position of the bottom left cornerMethod Detail |
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public void setCorners(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3)
x0
- the new position of the top left cornery0
- the new position of the top left cornerx1
- the new position of the top right cornery1
- the new position of the top right cornerx2
- the new position of the bottom right cornery2
- the new position of the bottom right cornerx3
- the new position of the bottom left cornery3
- the new position of the bottom left cornerprotected void transformSpace(java.awt.Rectangle rect)
TransformFilter
transformSpace
in class TransformFilter
rect
- the rectangle to transformpublic float getOriginX()
public float getOriginY()
protected void transformInverse(int x, int y, float[] out)
TransformFilter
transformInverse
in class TransformFilter
x
- the X position of the pixel in the output imagey
- the Y position of the pixel in the output imageout
- the position of the pixel in the input imagepublic java.lang.String toString()
toString
in class java.lang.Object
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