org.monte.media.ilbm
Class DRNGColorCycle

java.lang.Object
  org.monte.media.ilbm.ColorCycle
      org.monte.media.ilbm.DRNGColorCycle

All Implemented Interfaces:

java.lang.Cloneable

public class DRNGColorCycle
extends ColorCycle

Implements DRNG color cycling for an IFF ILBM image.

 ILBM DRNG DPaint IV enhanced color cycle chunk
 --------------------------------------------

 set {
     active=1,DPReserved=4
 } drngFlags;

 /* True color cell * /
 typedef struct {
     UBYTE cell;
     UBYTE r;
     UBYTE g;
     UBYTE b;
 } ilbmDRNGDColor;

 /* Color register cell * /
 typedef struct {
     UBYTE cell;
     UBYTE index;
 } ilbmDRNGDIndex;

 /* DRNG chunk. * /
 typedef struct {
     UBYTE min; /* min cell value * /
     UBYTE max; /* max cell value * /
     UWORD rate; /* color cycling rate, 16384 = 60 steps/second * /
     UWORD set drngFlags flags; /* 1=RNG_ACTIVE, 4=RNG_DP_RESERVED * /
     UBYTE ntrue; /* number of DColorCell structs to follow * /
     UBYTE ntregs; /* number of DIndexCell structs to follow * /
     ilbmDRNGDColor[ntrue] trueColorCells;
     ilbmDRNGDIndex[ntregs] colorRegisterCells;
 } ilbmDRangeChunk;
 

Version:

1.0.1 2010-11-08 Fixed color cycling rate.
1.0 2009-12-23 Created.

Author:

Werner Randelshofer

Nested Class Summary

static class	DRNGColorCycle.Cell
static class	DRNGColorCycle.DColorCell True color cell.
static class	DRNGColorCycle.DIndexCell Color register cell.

Field Summary

Fields inherited from class org.monte.media.ilbm.ColorCycle

isActive, isBlended, rate, timeScale

Constructor Summary

DRNGColorCycle(int rate, int timeScale, int min, int max, boolean isActive, boolean isEHB, DRNGColorCycle.Cell[] cells)

Method Summary

void	doCycle(int[] rgbs, long time)
int	getMax()
int	getMin()

Methods inherited from class org.monte.media.ilbm.ColorCycle

clone, getRate, getTimeScale, isActive, isBlended, setBlended

Methods inherited from class java.lang.Object

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

Constructor Detail

DRNGColorCycle

public DRNGColorCycle(int rate,
                      int timeScale,
                      int min,
                      int max,
                      boolean isActive,
                      boolean isEHB,
                      DRNGColorCycle.Cell[] cells)

Parameters:

rate -

timeScale -

min -

max -

isActive -

isEHB -

cells -

Method Detail

getMin

public int getMin()

getMax

public int getMax()

doCycle

public void doCycle(int[] rgbs,
                    long time)

Specified by:

doCycle in class ColorCycle