下面列出了java.awt.color.ColorSpace#toRGB ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
/**
* Creates a color in the specified {@code ColorSpace}
* with the color components specified in the {@code float}
* array and the specified alpha. The number of components is
* determined by the type of the {@code ColorSpace}. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the {@code ColorSpace} to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the {@code ColorSpace}
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* {@code components} array or {@code alpha} is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float[] components, float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
/**
* Creates a color in the specified {@code ColorSpace}
* with the color components specified in the {@code float}
* array and the specified alpha. The number of components is
* determined by the type of the {@code ColorSpace}. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the {@code ColorSpace} to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the {@code ColorSpace}
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* {@code components} array or {@code alpha} is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
/**
* Creates a color in the specified <code>ColorSpace</code>
* with the color components specified in the <code>float</code>
* array and the specified alpha. The number of components is
* determined by the type of the <code>ColorSpace</code>. For
* example, RGB requires 3 components, but CMYK requires 4
* components.
* @param cspace the <code>ColorSpace</code> to be used to
* interpret the components
* @param components an arbitrary number of color components
* that is compatible with the <code>ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the
* <code>components</code> array or <code>alpha</code> is
* outside of the range 0.0 to 1.0
* @see #getComponents
* @see #getColorComponents
*/
public Color(ColorSpace cspace, float components[], float alpha) {
boolean rangeError = false;
String badComponentString = "";
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < 0.0 || components[i] > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Component " + i
+ " ";
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString = badComponentString + "Alpha";
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " +
badComponentString);
}
frgbvalue = cspace.toRGB(fvalue);
cs = cspace;
value = ((((int)(falpha*255)) & 0xFF) << 24) |
((((int)(frgbvalue[0]*255)) & 0xFF) << 16) |
((((int)(frgbvalue[1]*255)) & 0xFF) << 8) |
((((int)(frgbvalue[2]*255)) & 0xFF) << 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
public void runTest(Object ctx, int numReps) {
final Context ictx = (Context) ctx;
final ColorSpace cs = ictx.cs;
final float[] val = ictx.val;
do {
try {
cs.toRGB(val);
} catch (Exception e) {
e.printStackTrace();
}
} while (--numReps >= 0);
}
public static BufferedImage cmyk2rgb(final byte[] buffer, final int w,
final int h) throws IOException {
final ColorSpace CMYK = ImageValue.adobeCmykColorSpace();
final int pixelCount = w * h * 4;
int C, M, Y, K, lastC = -1, lastM = -1, lastY = -1, lastK = -1;
int j = 0;
float[] RGB = new float[]{0f, 0f, 0f};
//turn YCC in Buffer to CYM using profile
for (int i = 0; i < pixelCount; i = i + 4) {
C = (buffer[i] & 255);
M = (buffer[i + 1] & 255);
Y = (buffer[i + 2] & 255);
K = (buffer[i + 3] & 255);
// System.out.println(C+" "+M+" "+Y+" "+K);
if (C == lastC && M == lastM && Y == lastY && K == lastK) {
//no change so use last value
} else { //new value
RGB = CMYK.toRGB(new float[]{C / 255f, M / 255f, Y / 255f, K / 255f});
//flag so we can just reuse if next value the same
lastC = C;
lastM = M;
lastY = Y;
lastK = K;
}
//put back as CMY
buffer[j] = (byte) (RGB[0] * 255f);
buffer[j + 1] = (byte) (RGB[1] * 255f);
buffer[j + 2] = (byte) (RGB[2] * 255f);
j = j + 3;
}
/**
* create CMYK raster from buffer
*/
final Raster raster = Raster.createInterleavedRaster(new DataBufferByte(buffer, j), w, h, w * 3, 3, new int[]{0, 1, 2}, null);
//data now sRGB so create image
final BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
image.setData(raster);
return image;
}