| Methods Summary |
|---|
| private static byte[] | createLUT(int bits)
int lutSize = (1 << bits);
byte lut[] = new byte[lutSize];
for (int i = 0; i < lutSize; i++) {
lut[i] = (byte) (255.0f / (lutSize - 1) + 0.5f);
}
return lut;
|
| public static byte[] | getFrom16lRGBtosRGB_LUT()
if (from16lRGBtosRGB_LUT == null) {
from16lRGBtosRGB_LUT = new byte[65536];
float v;
for (int i = 0; i < 65536; i++) {
v = (float) i / 65535;
v = (v <= 0.04045f) ? v / 12.92f :
(float) Math.pow((v + 0.055) / 1.055, 2.4);
from16lRGBtosRGB_LUT[i] = (byte) Math.round(v * 255.0f);
}
}
return from16lRGBtosRGB_LUT;
|
| public static byte[] | getFrom8lRGBtosRGB_LUT()
if (from8lRGBtosRGB_LUT == null) {
from8lRGBtosRGB_LUT = new byte[256];
float v;
for (int i = 0; i < 256; i++) {
v = (float)i / 255;
v = (v <= 0.04045f) ? v / 12.92f :
(float) Math.pow((v + 0.055) / 1.055, 2.4);
from8lRGBtosRGB_LUT[i] = (byte) Math.round(v * 255.0f);
}
}
return from8lRGBtosRGB_LUT;
|
| public static short[] | getFromsRGBto16lRGB_LUT()
if (fromsRGBto16lRGB_LUT == null) {
fromsRGBto16lRGB_LUT = new short[256];
float v;
for (int i = 0; i < 256; i++) {
v = (float) i / 255;
v = (v <= 0.0031308f) ? v * 12.92f :
((float) Math.pow(v, 1.0 / 2.4)) * 1.055f - 0.055f;
fromsRGBto16lRGB_LUT[i] = (short) Math.round(v * 65535.0f);
}
}
return fromsRGBto16lRGB_LUT;
|
| public static byte[] | getFromsRGBto8lRGB_LUT()
if (fromsRGBto8lRGB_LUT == null) {
fromsRGBto8lRGB_LUT = new byte[256];
float v;
for (int i = 0; i < 256; i++) {
v = (float) i / 255;
v = (v <= 0.0031308f) ? v * 12.92f :
((float) Math.pow(v, 1.0 / 2.4)) * 1.055f - 0.055f;
fromsRGBto8lRGB_LUT[i] = (byte) Math.round(v * 255.0f);
}
}
return fromsRGBto8lRGB_LUT;
|
| public static byte[] | getsRGBLUT(int bits)
if (bits < 1) return null;
int idx = bits -1;
if(fromsRGBto8sRGB_LUTs == null) fromsRGBto8sRGB_LUTs = new byte[16][];
if(fromsRGBto8sRGB_LUTs[idx] == null){
fromsRGBto8sRGB_LUTs[idx] = createLUT(bits);
}
return fromsRGBto8sRGB_LUTs[idx];
|
| public static boolean | is_LINEAR_GRAY_CS(java.awt.color.ColorSpace cs)
return (cs == LINEAR_GRAY_CS);
|
| public static boolean | is_LINEAR_RGB_CS(java.awt.color.ColorSpace cs)
return (cs == LINEAR_RGB_CS);
|
| public static boolean | is_sRGB_CS(java.awt.color.ColorSpace cs)
return (cs == sRGB_CS);
|
