AI时代，找源码已成为过去式，纪念我过去的十年0(回)
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690天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
915天前import java.awt.Color; |
import jxl.format.Colour; |
public class ColorUtil { |
|
public static Colour getNearestColour(Color awtColor) { |
Colour color = null; |
Colour[] colors = Colour.getAllColours(); |
if ((colors != null) && (colors.length > 0)) { |
Colour crtColor = null; |
int[] rgb = null; |
int diff = 0; |
int minDiff = 999; |
for (int i = 0; i < colors.length; i++) { |
crtColor = colors[i]; |
rgb = new int[3]; |
rgb[0] = crtColor.getDefaultRGB().getRed(); |
rgb[1] = crtColor.getDefaultRGB().getGreen(); |
rgb[2] = crtColor.getDefaultRGB().getBlue(); |
diff = Math.abs(rgb[0] - awtColor.getRed()) |
+ Math.abs(rgb[1] - awtColor.getGreen()) |
+ Math.abs(rgb[2] - awtColor.getBlue()); |
if (diff < minDiff) { |
minDiff = diff; |
color = crtColor; |
} |
} |
} |
if (color == null) |
color = Colour.BLACK; |
return color; |
} |
//Color转换为16进制显示 |
public static String toHexEncoding(Color color) { |
String R, G, B; |
StringBuffer sb = new StringBuffer(); |
R = Integer.toHexString(color.getRed()); |
G = Integer.toHexString(color.getGreen()); |
B = Integer.toHexString(color.getBlue()); |
R = R.length() == 1 ? "0" + R : R; |
G = G.length() == 1 ? "0" + G : G; |
B = B.length() == 1 ? "0" + B : B; |
sb.append("0x"); |
sb.append(R); |
sb.append(G); |
sb.append(B); |
return sb.toString(); |
} |
|
//把字符串表达的颜色值转换成java.awt.Color |
public static Color parseToColor(final String c) { |
Color convertedColor = Color.ORANGE; |
try { |
convertedColor = new Color(Integer.parseInt(c, 16)); |
} catch(NumberFormatException e) { |
// codes to deal with this exception |
} |
return convertedColor; |
} |
public static Colour getColour(final String c) { |
Color cl=parseToColor(c); |
return getNearestColour(cl); |
} |
// |
} |
