fr.inria.zvtm.lens
Class FSFresnelLens

java.lang.Object
  fr.inria.zvtm.lens.Lens
      fr.inria.zvtm.lens.FixedSizeLens
          fr.inria.zvtm.lens.FSFresnelLens

Direct Known Subclasses:

L1FSFresnelLens, L3FSFresnelLens, LInfFSFresnelLens

public class FSFresnelLens
extends FixedSizeLens

Profile: Fresnel-like (discrete steps) - Distance metric: L(2) (circular shape)
Size expressed as an absolute value in pixels

Field Summary

Fields inherited from class fr.inria.zvtm.lens.FixedSizeLens

CONSTANT, LR1, LR2, SPEED_DEPENDENT_LINEAR

Fields inherited from class fr.inria.zvtm.lens.Lens

h, lensHeight, lensWidth, lx, ly, magnifiedGraphics, mbh, mbi, mbw, MM, MM_FLOOR, mSwitchThreshold, owningView, sh, sw, w

Constructor Summary

FSFresnelLens()
create a lens with a maximum magnification factor of 2.0 with 2 discrete transition steps

FSFresnelLens(float mm, int ns)
create a lens with a given maximum magnification factor

FSFresnelLens(float mm, int outerRadius, int innerRadius, int ns)
create a lens with a given maximum magnification factor, inner and outer radii

FSFresnelLens(float mm, int outerRadius, int innerRadius, int ns, int x, int y)
create a lens with a given maximum magnification factor, inner and outer radii

Method Summary

void	gf(float x, float y, float[] g) gain factor function
void	setInnerRadius(int r) set the lens' inner radius (beyond which maximum magnification is applied - inward)
void	setMaximumMagnification(float mm) set the lens' maximum magnification
void	setMaximumMagnification(float mm, boolean forceRaster) set the lens' maximum magnification
void	setMMandRadii(float mm, int outerRadius, int innerRadius) set the lens' radii and maximum magnification
void	setMMandRadii(float mm, int outerRadius, int innerRadius, boolean forceRaster) set the lens' radii and maximum magnification
void	setOuterRadius(int r) set the lens' outer radius (beyond which no magnification is applied - outward)
void	setRadii(int outerRadius, int innerRadius) set the lens' radii
void	setRadii(int outerRadius, int innerRadius, boolean forceRaster) set the lens' radii

Methods inherited from class fr.inria.zvtm.lens.FixedSizeLens

drawBoundary, getActualRingRadius, getInnerRadius, getInnerRadiusColor, getOuterRadius, getOuterRadiusColor, getRadius, getVisibleRegionInFocus, moveLensBy, setAbsolutePosition, setFocusControlled, setFocusControlled, setInnerRadiusColor, setLensBuffer, setOuterRadiusColor

Methods inherited from class fr.inria.zvtm.lens.Lens

dispose, getActualMaximumMagnification, getBufferThreshold, getMagnificationGraphics, getMaximumMagnification, getOwningView, getVisibleRegion, getXfocusOffset, getYfocusOffset, isInitialized, resetMagnificationBuffer, setBufferThreshold, setMagRasterDimensions, setMagRasterDimensions, setXfocusOffset, setYfocusOffset, transform

Methods inherited from class java.lang.Object

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

Constructor Detail

FSFresnelLens

public FSFresnelLens()

create a lens with a maximum magnification factor of 2.0 with 2 discrete transition steps

FSFresnelLens

public FSFresnelLens(float mm,
                     int ns)

create a lens with a given maximum magnification factor

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

ns - number of discrete transition steps between context and focus

FSFresnelLens

public FSFresnelLens(float mm,
                     int outerRadius,
                     int innerRadius,
                     int ns)

create a lens with a given maximum magnification factor, inner and outer radii

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

outerRadius - outer radius (beyond which no magnification is applied - outward)

innerRadius - inner radius (beyond which maximum magnification is applied - inward)

ns - number of discrete transition steps between context and focus

FSFresnelLens

public FSFresnelLens(float mm,
                     int outerRadius,
                     int innerRadius,
                     int ns,
                     int x,
                     int y)

create a lens with a given maximum magnification factor, inner and outer radii

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

outerRadius - outer radius (beyond which no magnification is applied - outward)

innerRadius - inner radius (beyond which maximum magnification is applied - inward)

ns - number of discrete transition steps between context and focus

x - horizontal coordinate of the lens' center (as an offset w.r.t the view's center coordinates)

y - vertical coordinate of the lens' center (as an offset w.r.t the view's center coordinates)

Method Detail

setOuterRadius

public void setOuterRadius(int r)

set the lens' outer radius (beyond which no magnification is applied - outward)

Overrides:

setOuterRadius in class FixedSizeLens

Parameters:

r - radius in pixels

setInnerRadius

public void setInnerRadius(int r)

set the lens' inner radius (beyond which maximum magnification is applied - inward)

Overrides:

setInnerRadius in class FixedSizeLens

Parameters:

r - radius in pixels

setRadii

public void setRadii(int outerRadius,
                     int innerRadius)

set the lens' radii

Overrides:

setRadii in class FixedSizeLens

Parameters:

outerRadius - outer radius (beyond which no magnification is applied - outward)

innerRadius - inner radius (beyond which maximum magnification is applied - inward)

setRadii

public void setRadii(int outerRadius,
                     int innerRadius,
                     boolean forceRaster)

set the lens' radii

Overrides:

setRadii in class FixedSizeLens

Parameters:

outerRadius - outer radius (beyond which no magnification is applied - outward)

innerRadius - inner radius (beyond which maximum magnification is applied - inward)

forceRaster - true if the magnification raster size should be updated according to the new maximum magnification factor (default is true)

setMMandRadii

public void setMMandRadii(float mm,
                          int outerRadius,
                          int innerRadius)

set the lens' radii and maximum magnification

Overrides:

setMMandRadii in class FixedSizeLens

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

outerRadius - outer radius (beyond which no magnification is applied - outward)

innerRadius - inner radius (beyond which maximum magnification is applied - inward)

setMMandRadii

public void setMMandRadii(float mm,
                          int outerRadius,
                          int innerRadius,
                          boolean forceRaster)

set the lens' radii and maximum magnification

Overrides:

setMMandRadii in class FixedSizeLens

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

outerRadius - outer radius (beyond which no magnification is applied - outward)

innerRadius - inner radius (beyond which maximum magnification is applied - inward)

forceRaster - true if the magnification raster size should be updated according to the new maximum magnification factor (default is true)

setMaximumMagnification

public void setMaximumMagnification(float mm)

Description copied from class: Lens

set the lens' maximum magnification

Overrides:

setMaximumMagnification in class Lens

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

setMaximumMagnification

public void setMaximumMagnification(float mm,
                                    boolean forceRaster)

Description copied from class: Lens

set the lens' maximum magnification

Overrides:

setMaximumMagnification in class Lens

Parameters:

mm - maximum magnification factor, mm in [0,+inf[

forceRaster - true if the magnification raster size should be updated according to the new maximum magnification factor (default is true)

gf

public void gf(float x,
               float y,
               float[] g)

Description copied from class: Lens

gain factor function

Specified by:

gf in class Lens