org.stellarium.ui.render
Class GlPng

java.lang.Object
  org.stellarium.ui.render.GlPng

public class GlPng
extends java.lang.Object

Nested Class Summary

static interface	GlPng.AlphaCallback
static class	GlPng.PngInfo
static class	GlPng.PngRawInfo

Field Summary

static GlPng.AlphaCallback	defaultAlphaCallback
(package private) static boolean	gammaExplicit
(package private) static int	MaxTextureSize
(package private) static int	PalettedTextures
static int	PNG_ALPHA
static int	PNG_BLEND1
static int	PNG_BLEND2
static int	PNG_BLEND3
static int	PNG_BLEND4
static int	PNG_BLEND5
static int	PNG_BLEND6
static int	PNG_BLEND7
static int	PNG_BLEND8
static int	PNG_BUILDMIPMAP
static int	PNG_BUILDMIPMAPS
static int	PNG_CALLBACK
static int	PNG_NOMIPMAP
static int	PNG_NOMIPMAPS
static int	PNG_SIMPLEMIPMAP
static int	PNG_SIMPLEMIPMAPS
static int	PNG_SOLID
static int	PNG_STENCIL
(package private) static double	screenGamma screenGamma = displayGamma/viewingGamma displayGamma = CRT has gamma of ~2.2 viewingGamma depends on platform.
(package private) static int	StandardOrientation
(package private) static byte	StencilBlue
(package private) static byte	StencilGreen
(package private) static byte	StencilRed

Constructor Summary

GlPng()

Method Summary

(package private) static void	Build2DMipmaps(int components, int width, int height, int format, java.nio.ByteBuffer data, boolean filter)
(package private) static void	checkForGammaEnv()
(package private) static boolean	HalfSize(int components, int width, int height, java.nio.ByteBuffer data, java.nio.ByteBuffer d, boolean filter)
static int	pngBind(java.lang.String filename, int mipmap, int trans, GlPng.PngInfo info, int wrapst, int minfilter, int magfilter)
static int	pngBindF(java.io.File file, int mipmap, int trans, GlPng.PngInfo info, int wrapst, int minfilter, int magfilter)
static boolean	pngLoad(java.lang.String filename, int mipmap, int trans, GlPng.PngInfo info)
static boolean	pngLoadF(java.io.File file, int mipmap, int trans, GlPng.PngInfo info)
static void	pngSetAlphaCallback(GlPng.AlphaCallback callback)
static void	pngSetStandardOrientation(int standardorientation)
static void	pngSetStencil(byte red, byte green, byte blue)
static void	pngSetViewingGamma(double viewingGamma)
(package private) static void	Resize(int components, java.nio.ByteBuffer d1, int w1, int h1, java.nio.ByteBuffer d2, int w2, int h2)
(package private) static int	SafeSize(int i)
private static int	setParams(int wrapst, int magfilter, int minfilter)

Methods inherited from class java.lang.Object

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

Field Detail

PNG_NOMIPMAPS

public static final int PNG_NOMIPMAPS

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Constant Field Values

PNG_BUILDMIPMAPS

public static final int PNG_BUILDMIPMAPS

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Constant Field Values

PNG_SIMPLEMIPMAPS

public static final int PNG_SIMPLEMIPMAPS

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Constant Field Values

PNG_NOMIPMAP

public static final int PNG_NOMIPMAP

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Constant Field Values

PNG_BUILDMIPMAP

public static final int PNG_BUILDMIPMAP

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Constant Field Values

PNG_SIMPLEMIPMAP

public static final int PNG_SIMPLEMIPMAP

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Constant Field Values

PNG_CALLBACK

public static final int PNG_CALLBACK

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Constant Field Values

PNG_ALPHA

public static final int PNG_ALPHA

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Constant Field Values

PNG_SOLID

public static final int PNG_SOLID

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Constant Field Values

PNG_STENCIL

public static final int PNG_STENCIL

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Constant Field Values

PNG_BLEND1

public static final int PNG_BLEND1

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Constant Field Values

PNG_BLEND2

public static final int PNG_BLEND2

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Constant Field Values

PNG_BLEND3

public static final int PNG_BLEND3

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Constant Field Values

PNG_BLEND4

public static final int PNG_BLEND4

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Constant Field Values

PNG_BLEND5

public static final int PNG_BLEND5

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PNG_BLEND6

public static final int PNG_BLEND6

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PNG_BLEND7

public static final int PNG_BLEND7

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Constant Field Values

PNG_BLEND8

public static final int PNG_BLEND8

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Constant Field Values

defaultAlphaCallback

public static GlPng.AlphaCallback defaultAlphaCallback

StencilRed

static byte StencilRed

StencilGreen

static byte StencilGreen

StencilBlue

static byte StencilBlue

StandardOrientation

static int StandardOrientation

PalettedTextures

static int PalettedTextures

MaxTextureSize

static int MaxTextureSize

screenGamma

static double screenGamma

screenGamma = displayGamma/viewingGamma displayGamma = CRT has gamma of ~2.2 viewingGamma depends on platform. PC is 1.0, Mac is 1.45, SGI defaults to 1.7, but this can be checked and changed w/ /usr/sbin/gamma command. If the environment variable VIEWING_GAMMA is set, adjust gamma per this value.

gammaExplicit

static boolean gammaExplicit

Constructor Detail

GlPng

public GlPng()

Method Detail

checkForGammaEnv

static void checkForGammaEnv()

SafeSize

static int SafeSize(int i)

Resize

static void Resize(int components,
                   java.nio.ByteBuffer d1,
                   int w1,
                   int h1,
                   java.nio.ByteBuffer d2,
                   int w2,
                   int h2)

HalfSize

static boolean HalfSize(int components,
                        int width,
                        int height,
                        java.nio.ByteBuffer data,
                        java.nio.ByteBuffer d,
                        boolean filter)

Build2DMipmaps

static void Build2DMipmaps(int components,
                           int width,
                           int height,
                           int format,
                           java.nio.ByteBuffer data,
                           boolean filter)

pngLoad

public static boolean pngLoad(java.lang.String filename,
                              int mipmap,
                              int trans,
                              GlPng.PngInfo info)

pngLoadF

public static boolean pngLoadF(java.io.File file,
                               int mipmap,
                               int trans,
                               GlPng.PngInfo info)

setParams

private static int setParams(int wrapst,
                             int magfilter,
                             int minfilter)

pngBind

public static int pngBind(java.lang.String filename,
                          int mipmap,
                          int trans,
                          GlPng.PngInfo info,
                          int wrapst,
                          int minfilter,
                          int magfilter)

pngBindF

public static int pngBindF(java.io.File file,
                           int mipmap,
                           int trans,
                           GlPng.PngInfo info,
                           int wrapst,
                           int minfilter,
                           int magfilter)

pngSetStencil

public static void pngSetStencil(byte red,
                                 byte green,
                                 byte blue)

pngSetAlphaCallback

public static void pngSetAlphaCallback(GlPng.AlphaCallback callback)

pngSetViewingGamma

public static void pngSetViewingGamma(double viewingGamma)

pngSetStandardOrientation

public static void pngSetStandardOrientation(int standardorientation)