io.github.bananapuncher714.cartographer.core.util

Class JetpImageUtil

java.lang.Object

io.github.bananapuncher714.cartographer.core.util.JetpImageUtil

public final class JetpImageUtil
extends java.lang.Object

What a piece of optimization; Performs incredibly fast Minecraft color conversion and dithering.

Author:

jetp250

Method Summary

Modifier and Type	Method and Description
static java.awt.Color	brightenColor(java.awt.Color c, int percent) Brightens a given color for a percent; Negative values darken the color.
static byte[]	dither(java.awt.Image image)
static void	dither(int[] buffer, int width) Floyd-steinberg dithering with serpentine scanning
static java.nio.ByteBuffer	dither2Minecraft(int[] buffer, int width)
static java.awt.image.BufferedImage	ditherImage(java.awt.Image image)
static byte	getBestColor(int rgb)
static byte	getBestColor(int red, int green, int blue)
static byte	getBestColorIncludingTransparent(int rgb)
static int	getBestFullColor(int red, int green, int blue)
static int	getColorFromMinecraftPalette(byte val)
static int	getLargestColorVal()
static int[]	getRGBArray(java.awt.image.BufferedImage image)
static int[]	getSubImage(int topCornerX, int topCornerY, int width, int height, int[] image, int imageWidth) Dither an rgb buffer
static int[]	getSubsegment(int start, int length, int substart, int sublength)
static void	init()
static void	main(java.lang.String[] args)
static int	mediateARGB(int c1, int c2)
static int	mixColors(int color1, int color2)
static void	overlay(int x, int y, int[] image, int imageWidth, int[] canvas, int canvasWidth)
static int	overwriteColor(int baseColor, int overlay) Takes in 2 colors and sets one as the foreground
static byte[]	resize(byte[] data, int originalWidth, int width, int height)
static byte[]	rotate(byte[] original, int width, byte[] copy, int copyWidth, double radians)
static byte[]	simplify(int[] buffer)
static java.awt.image.BufferedImage	toBufferedImage(java.awt.Image img)

Methods inherited from class java.lang.Object

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

Method Detail

main

public static void main(java.lang.String[] args)

init

public static final void init()

getLargestColorVal

public static int getLargestColorVal()

getColorFromMinecraftPalette

public static int getColorFromMinecraftPalette(byte val)

getBestColorIncludingTransparent

public static byte getBestColorIncludingTransparent(int rgb)

getBestColor

public static byte getBestColor(int rgb)

getBestColor

public static byte getBestColor(int red,
                                int green,
                                int blue)

getBestFullColor

public static int getBestFullColor(int red,
                                   int green,
                                   int blue)

simplify

public static byte[] simplify(int[] buffer)

ditherImage

public static java.awt.image.BufferedImage ditherImage(java.awt.Image image)

dither

public static byte[] dither(java.awt.Image image)

dither

public static void dither(int[] buffer,
                          int width)

Floyd-steinberg dithering with serpentine scanning

dither2Minecraft

public static java.nio.ByteBuffer dither2Minecraft(int[] buffer,
                                                   int width)

getSubImage

public static int[] getSubImage(int topCornerX,
                                int topCornerY,
                                int width,
                                int height,
                                int[] image,
                                int imageWidth)

Dither an rgb buffer

Parameters:

width - The width of the image

buffer - RGB buffer

Returns:

Dithered image in minecraft colors

overlay

public static void overlay(int x,
                           int y,
                           int[] image,
                           int imageWidth,
                           int[] canvas,
                           int canvasWidth)

toBufferedImage

public static java.awt.image.BufferedImage toBufferedImage(java.awt.Image img)

getRGBArray

public static int[] getRGBArray(java.awt.image.BufferedImage image)

getSubsegment

public static int[] getSubsegment(int start,
                                  int length,
                                  int substart,
                                  int sublength)

resize

public static byte[] resize(byte[] data,
                            int originalWidth,
                            int width,
                            int height)

rotate

public static byte[] rotate(byte[] original,
                            int width,
                            byte[] copy,
                            int copyWidth,
                            double radians)

overwriteColor

public static int overwriteColor(int baseColor,
                                 int overlay)

Takes in 2 colors and sets one as the foreground

Parameters:

baseColor - The background color

overlay - The foreground

Returns:

The colors combined, if the foreground is not opaque

mixColors

public static int mixColors(int color1,
                            int color2)

mediateARGB

public static int mediateARGB(int c1,
                              int c2)

brightenColor

public static java.awt.Color brightenColor(java.awt.Color c,
                                           int percent)

Brightens a given color for a percent; Negative values darken the color.

Parameters:

c - The color to brighten.

percent - The percentage to brighten; Must not exceed 100 percent.

Returns:

The new brightened color.