Package com.gaia3d.util

Class ImageUtils

java.lang.Object

com.gaia3d.util.ImageUtils

public class ImageUtils
extends Object

Utility class for image operations.

Constructor Summary

Constructors

Constructor	Description
ImageUtils()

Method Summary

Modifier and Type	Method	Description
static float[][]	bufferedImageToFloatMatrix(BufferedImage image)
static BufferedImage	changeBackgroundColor(BufferedImage image, Color oldColor, Color newColor)
static BufferedImage	clampBackGroundColor(BufferedImage image, Color backGroundColor, int borderSize, int iterations)
static File	correctFile(File file)
static BufferedImage	correctGammaSaturation(BufferedImage src, double gamma, float saturationFactor)
static BufferedImage	correctGammaSaturation_original(BufferedImage src, double gamma, float saturationFactor)
static File	correctPath(File parent, File file)
static BufferedImage	expandWithBorderFast(BufferedImage src, int n, boolean bordeCopiado)
static BufferedImage	fillColor(BufferedImage image, Color newColor)
static File	getChildFile(File parent, String path)
static String	getChildPath(File parent, String path)
static String	getFormatNameByMimeType(String mimeType)
static String	getMimeTypeByExtension(String extension)
static int	getNearestPowerOfTwo(int value)
static int	getNearestPowerOfTwoHigher(int value)
static int	getNearestPowerOfTwoLower(int value)
static BufferedImage	invertImageY(BufferedImage image)
static boolean	isImageFullyTransparent(BufferedImage img)
static ByteBuffer	readFile(File file, boolean flip)
static int[]	readImageSize(String imagePath)
static boolean	saveBufferedImage(BufferedImage bufferedImage, String savePath, boolean fastPng, float jpegQuality)
static boolean	saveBufferedImageControlled(BufferedImage image, String savePath, boolean fastPng, float jpegQuality)
static int	setMinMaxSize(int size)
static float	unpackDepth32(float[] packedDepth)

Methods inherited from class java.lang.Object

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

Constructor Details

ImageUtils

public ImageUtils()

Method Details

getNearestPowerOfTwo

public static int getNearestPowerOfTwo(int value)

getNearestPowerOfTwoHigher

public static int getNearestPowerOfTwoHigher(int value)

getNearestPowerOfTwoLower

public static int getNearestPowerOfTwoLower(int value)

setMinMaxSize

public static int setMinMaxSize(int size)

getFormatNameByMimeType

public static String getFormatNameByMimeType(String mimeType)

getMimeTypeByExtension

public static String getMimeTypeByExtension(String extension)

readFile

public static ByteBuffer readFile(File file,
 boolean flip)

getChildFile

public static File getChildFile(File parent,
 String path)

getChildPath

public static String getChildPath(File parent,
 String path)

correctFile

public static File correctFile(File file)

correctPath

public static File correctPath(File parent,
 File file)
                        throws FileNotFoundException

Throws:

FileNotFoundException

readImageSize

public static int[] readImageSize(String imagePath)

unpackDepth32

public static float unpackDepth32(float[] packedDepth)

bufferedImageToFloatMatrix

public static float[][] bufferedImageToFloatMatrix(BufferedImage image)

invertImageY

public static BufferedImage invertImageY(BufferedImage image)

clampBackGroundColor

public static BufferedImage clampBackGroundColor(BufferedImage image,
 Color backGroundColor,
 int borderSize,
 int iterations)

fillColor

public static BufferedImage fillColor(BufferedImage image,
 Color newColor)

changeBackgroundColor

public static BufferedImage changeBackgroundColor(BufferedImage image,
 Color oldColor,
 Color newColor)

saveBufferedImage

public static boolean saveBufferedImage(BufferedImage bufferedImage,
 String savePath,
 boolean fastPng,
 float jpegQuality)

Parameters:

savePath - Ruta de destino.

fastPng - true para priorizar velocidad sobre tamaño del PNG.

jpegQuality - Calidad JPEG entre 0.0 y 1.0.

Returns:

true cuando la imagen se escribió correctamente.

saveBufferedImageControlled

public static boolean saveBufferedImageControlled(BufferedImage image,
 String savePath,
 boolean fastPng,
 float jpegQuality)

isImageFullyTransparent

public static boolean isImageFullyTransparent(BufferedImage img)

correctGammaSaturation

public static BufferedImage correctGammaSaturation(BufferedImage src,
 double gamma,
 float saturationFactor)

correctGammaSaturation_original

public static BufferedImage correctGammaSaturation_original(BufferedImage src,
 double gamma,
 float saturationFactor)

expandWithBorderFast

public static BufferedImage expandWithBorderFast(BufferedImage src,
 int n,
 boolean bordeCopiado)