org.bukkit.map.MapPalette Maven / Gradle / Ivy
package org.bukkit.map;
import java.awt.*;
import java.awt.image.BufferedImage;
/**
* Represents the palette that map items use.
*
* These fields are hee base color ranges. Each entry corresponds to four
* colors of varying shades with values entry to entry + 3.
*/
public final class MapPalette {
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte TRANSPARENT = 0;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte LIGHT_GREEN = 4;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte LIGHT_BROWN = 8;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte GRAY_1 = 12;
// Interface
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte RED = 16;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte PALE_BLUE = 20;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte GRAY_2 = 24;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte DARK_GREEN = 28;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte WHITE = 32;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte LIGHT_GRAY = 36;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte BROWN = 40;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte DARK_GRAY = 44;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte BLUE = 48;
/**
* @deprecated Magic value
*/
@Deprecated
public static final byte DARK_BROWN = 52;
static final Color[] colors = {
c(0, 0, 0), c(0, 0, 0), c(0, 0, 0), c(0, 0, 0),
c(89, 125, 39), c(109, 153, 48), c(127, 178, 56), c(67, 94, 29),
c(174, 164, 115), c(213, 201, 140), c(247, 233, 163), c(130, 123, 86),
c(140, 140, 140), c(171, 171, 171), c(199, 199, 199), c(105, 105, 105),
c(180, 0, 0), c(220, 0, 0), c(255, 0, 0), c(135, 0, 0),
c(112, 112, 180), c(138, 138, 220), c(160, 160, 255), c(84, 84, 135),
c(117, 117, 117), c(144, 144, 144), c(167, 167, 167), c(88, 88, 88),
c(0, 87, 0), c(0, 106, 0), c(0, 124, 0), c(0, 65, 0),
c(180, 180, 180), c(220, 220, 220), c(255, 255, 255), c(135, 135, 135),
c(115, 118, 129), c(141, 144, 158), c(164, 168, 184), c(86, 88, 97),
c(106, 76, 54), c(130, 94, 66), c(151, 109, 77), c(79, 57, 40),
c(79, 79, 79), c(96, 96, 96), c(112, 112, 112), c(59, 59, 59),
c(45, 45, 180), c(55, 55, 220), c(64, 64, 255), c(33, 33, 135),
c(100, 84, 50), c(123, 102, 62), c(143, 119, 72), c(75, 63, 38),
c(180, 177, 172), c(220, 217, 211), c(255, 252, 245), c(135, 133, 129),
c(152, 89, 36), c(186, 109, 44), c(216, 127, 51), c(114, 67, 27),
c(125, 53, 152), c(153, 65, 186), c(178, 76, 216), c(94, 40, 114),
c(72, 108, 152), c(88, 132, 186), c(102, 153, 216), c(54, 81, 114),
c(161, 161, 36), c(197, 197, 44), c(229, 229, 51), c(121, 121, 27),
c(89, 144, 17), c(109, 176, 21), c(127, 204, 25), c(67, 108, 13),
c(170, 89, 116), c(208, 109, 142), c(242, 127, 165), c(128, 67, 87),
c(53, 53, 53), c(65, 65, 65), c(76, 76, 76), c(40, 40, 40),
c(108, 108, 108), c(132, 132, 132), c(153, 153, 153), c(81, 81, 81),
c(53, 89, 108), c(65, 109, 132), c(76, 127, 153), c(40, 67, 81),
c(89, 44, 125), c(109, 54, 153), c(127, 63, 178), c(67, 33, 94),
c(36, 53, 125), c(44, 65, 153), c(51, 76, 178), c(27, 40, 94),
c(72, 53, 36), c(88, 65, 44), c(102, 76, 51), c(54, 40, 27),
c(72, 89, 36), c(88, 109, 44), c(102, 127, 51), c(54, 67, 27),
c(108, 36, 36), c(132, 44, 44), c(153, 51, 51), c(81, 27, 27),
c(17, 17, 17), c(21, 21, 21), c(25, 25, 25), c(13, 13, 13),
c(176, 168, 54), c(215, 205, 66), c(250, 238, 77), c(132, 126, 40),
c(64, 154, 150), c(79, 188, 183), c(92, 219, 213), c(48, 115, 112),
c(52, 90, 180), c(63, 110, 220), c(74, 128, 255), c(39, 67, 135),
c(0, 153, 40), c(0, 187, 50), c(0, 217, 58), c(0, 114, 30),
c(91, 60, 34), c(111, 74, 42), c(129, 86, 49), c(68, 45, 25),
c(79, 1, 0), c(96, 1, 0), c(112, 2, 0), c(59, 1, 0),
};
// Internal mechanisms
private MapPalette() {
}
private static Color c(int r, int g, int b) {
return new Color(r, g, b);
}
private static double getDistance(Color c1, Color c2) {
double rmean = (c1.getRed() + c2.getRed()) / 2.0;
double r = c1.getRed() - c2.getRed();
double g = c1.getGreen() - c2.getGreen();
int b = c1.getBlue() - c2.getBlue();
double weightR = 2 + rmean / 256.0;
double weightG = 4.0;
double weightB = 2 + (255 - rmean) / 256.0;
return weightR * r * r + weightG * g * g + weightB * b * b;
}
/**
* Resize an image to 128x128.
*
* @param image The image to resize.
* @return The resized image.
*/
public static BufferedImage resizeImage(Image image) {
BufferedImage result = new BufferedImage(128, 128, BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = result.createGraphics();
graphics.drawImage(image, 0, 0, 128, 128, null);
graphics.dispose();
return result;
}
/**
* Convert an Image to a byte[] using the palette.
*
* @param image The image to convert.
* @return A byte[] containing the pixels of the image.
* @deprecated Magic value
*/
@Deprecated
public static byte[] imageToBytes(Image image) {
BufferedImage temp = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = temp.createGraphics();
graphics.drawImage(image, 0, 0, null);
graphics.dispose();
int[] pixels = new int[temp.getWidth() * temp.getHeight()];
temp.getRGB(0, 0, temp.getWidth(), temp.getHeight(), pixels, 0, temp.getWidth());
byte[] result = new byte[temp.getWidth() * temp.getHeight()];
for (int i = 0; i < pixels.length; i++) {
result[i] = matchColor(new Color(pixels[i], true));
}
return result;
}
/**
* Get the index of the closest matching color in the palette to the given
* color.
*
* @param r The red component of the color.
* @param b The blue component of the color.
* @param g The green component of the color.
* @return The index in the palette.
* @deprecated Magic value
*/
@Deprecated
public static byte matchColor(int r, int g, int b) {
return matchColor(new Color(r, g, b));
}
/**
* Get the index of the closest matching color in the palette to the given
* color.
*
* @param color The Color to match.
* @return The index in the palette.
* @deprecated Magic value
*/
@Deprecated
public static byte matchColor(Color color) {
if (color.getAlpha() < 128) return 0;
int index = 0;
double best = -1;
for (int i = 4; i < colors.length; i++) {
double distance = getDistance(color, colors[i]);
if (distance < best || best == -1) {
best = distance;
index = i;
}
}
// Minecraft has 143 colors, some of which have negative byte representations
return (byte) (index < 128 ? index : -129 + (index - 127));
}
/**
* Get the value of the given color in the palette.
*
* @param index The index in the palette.
* @return The Color of the palette entry.
* @deprecated Magic value
*/
@Deprecated
public static Color getColor(byte index) {
if ((index > -113 && index < 0) || index > 127) {
throw new IndexOutOfBoundsException();
} else {
// Minecraft has 143 colors, some of which have negative byte representations
return colors[index >= 0 ? index : index + 256];
}
}
}