Class DDSImageDataEncoder.BlockCompressor1

java.lang.Object

com.twelvemonkeys.imageio.plugins.dds.DDSImageDataEncoder.BlockCompressorBase

com.twelvemonkeys.imageio.plugins.dds.DDSImageDataEncoder.BlockCompressor1

Direct Known Subclasses:

DDSImageDataEncoder.BlockCompressor2, DDSImageDataEncoder.BlockCompressor3

Enclosing class:

DDSImageDataEncoder

private static class DDSImageDataEncoder.BlockCompressor1
extends DDSImageDataEncoder.BlockCompressorBase

Field Summary

Fields

Modifier and Type	Field	Description
private final DDSImageDataEncoder.MutableColor[]	color32s
private final boolean	forceOpaque
private final int[]	palettes

Fields inherited from class DDSImageDataEncoder.BlockCompressorBase

samples

Constructor Summary

Constructors

Modifier	Constructor	Description
private	BlockCompressor1(boolean forceOpaque)

Method Summary

Modifier and Type	Method	Description
private static double	calculateDistance(Color color1, Color color0)
private static int	color888ToInt(int r, int g, int b, int a)
private static Color	color888ToObject(int c888)
private static Color	convertTo888(int c565)
(package private) int	encodeBlockIndices(boolean alphaMode, int[] sampled, int[] palettes)
(package private) boolean	getBlockEndpoints(int[] sampledColors, int[] paletteBuffer)
(package private) boolean	getBlockEndpoints2(int[] sampled, int[] paletteBuffer)
private static byte	getClosest(double d0, double d1, double d2, double d3)
private static int	getColorDistance(int r1, int g1, int b1, int r2, int g2, int b2)
(package private) void	interpolate(boolean alphaMode, int[] palettes)
private Color	setColorFor(int index, int r, int g, int b)
(package private) void	startEncodeBlock(ImageOutputStream imageOutput, int[] sampled)

Methods inherited from class DDSImageDataEncoder.BlockCompressorBase

encode, isAlphaBelowCap

Methods inherited from class Object

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

Field Details

forceOpaque

private final boolean forceOpaque

palettes

private final int[] palettes

color32s

private final DDSImageDataEncoder.MutableColor[] color32s

Constructor Details

BlockCompressor1

private BlockCompressor1(boolean forceOpaque)

Method Details

color888ToInt

private static int color888ToInt(int r,
 int g,
 int b,
 int a)

startEncodeBlock

void startEncodeBlock(ImageOutputStream imageOutput,
 int[] sampled)
               throws IOException

Specified by:

startEncodeBlock in class DDSImageDataEncoder.BlockCompressorBase

Throws:

IOException

encodeBlockIndices

int encodeBlockIndices(boolean alphaMode,
 int[] sampled,
 int[] palettes)

setColorFor

private Color setColorFor(int index,
 int r,
 int g,
 int b)

calculateDistance

private static double calculateDistance(Color color1,
 Color color0)

getClosest

private static byte getClosest(double d0,
 double d1,
 double d2,
 double d3)

interpolate

void interpolate(boolean alphaMode,
 int[] palettes)

getBlockEndpoints

boolean getBlockEndpoints(int[] sampledColors,
 int[] paletteBuffer)

getBlockEndpoints2

boolean getBlockEndpoints2(int[] sampled,
 int[] paletteBuffer)

getColorDistance

private static int getColorDistance(int r1,
 int g1,
 int b1,
 int r2,
 int g2,
 int b2)

convertTo888

private static Color convertTo888(int c565)

color888ToObject

private static Color color888ToObject(int c888)