@Override
public int hashCode() {
int hash = 0;
int tmp;
if (hasAlpha) {
hash ^= 1;
hash <<= 8;
}
if (isAlphaPremultiplied) {
hash ^= 1;
hash <<= 8;
}
tmp = hash >>> 24;
hash ^= numColorComponents;
hash <<= 8;
hash |= tmp;
tmp = hash >>> 24;
hash ^= transparency;
hash <<= 8;
hash |= tmp;
tmp = hash >>> 24;
hash ^= cs.getType();
hash <<= 8;
hash |= tmp;
tmp = hash >>> 24;
hash ^= pixel_bits;
hash <<= 8;
hash |= tmp;
tmp = hash >>> 24;
hash ^= transferType;
hash <<= 8;
hash |= tmp;
if (bits != null) {
for (int element : bits) {
tmp = hash >>> 24;
hash ^= element;
hash <<= 8;
hash |= tmp;
}
}
return hash;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ColorModel)) {
return false;
}
ColorModel cm = (ColorModel) obj;
return (pixel_bits == cm.getPixelSize()
&& transferType == cm.getTransferType()
&& cs.getType() == cm.getColorSpace().getType()
&& hasAlpha == cm.hasAlpha()
&& isAlphaPremultiplied == cm.isAlphaPremultiplied()
&& transparency == cm.getTransparency()
&& numColorComponents == cm.getNumColorComponents()
&& numComponents == cm.getNumComponents()
&& Arrays.equals(bits, cm.getComponentSize()));
}
/**
* Instantiates a new color model with the specified pixel bit depth. The transferType is chosen
* based on the pixel bits, and the other data fields are given default values.
*
* @param bits the array of component masks.
*/
public ColorModel(int bits) {
if (bits < 1) {
// awt.271=The number of bits in bits is less than 1
throw new IllegalArgumentException(Messages.getString("awt.271")); // $NON-NLS-1$
}
pixel_bits = bits;
transferType = getTransferType(bits);
cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
hasAlpha = true;
isAlphaPremultiplied = false;
transparency = Transparency.TRANSLUCENT;
numColorComponents = 3;
numComponents = 4;
this.bits = null;
}
@Override
public String toString() {
// The output format based on 1.5 release behavior.
// It could be reveled such way:
// ColorModel cm = new
// ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB,
// false, false, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
// System.out.println(cm.toString());
return "ColorModel: Color Space = "
+ cs.toString()
+ "; has alpha = " //$NON-NLS-1$ //$NON-NLS-2$
+ hasAlpha
+ "; is alpha premultipied = " //$NON-NLS-1$
+ isAlphaPremultiplied
+ "; transparency = "
+ transparency //$NON-NLS-1$
+ "; number color components = "
+ numColorComponents //$NON-NLS-1$
+ "; pixel bits = "
+ pixel_bits
+ "; transfer type = " //$NON-NLS-1$ //$NON-NLS-2$
+ transferType;
}
/**
* Instantiates a new color model with the specified values.
*
* @param pixel_bits the pixel length in bits.
* @param bits the array of component masks.
* @param cspace the color space.
* @param hasAlpha whether the color model has alpha.
* @param isAlphaPremultiplied whether the alpha is pre-multiplied.
* @param transparency the transparency strategy, @see java.awt.Transparency.
* @param transferType the transfer type (primitive java type to use for the components).
*/
protected ColorModel(
int pixel_bits,
int[] bits,
ColorSpace cspace,
boolean hasAlpha,
boolean isAlphaPremultiplied,
int transparency,
int transferType) {
if (pixel_bits < 1) {
// awt.26B=The number of bits in the pixel values is less than 1
throw new IllegalArgumentException(Messages.getString("awt.26B")); // $NON-NLS-1$
}
if (bits == null) {
// awt.26C=bits is null
throw new NullPointerException(Messages.getString("awt.26C")); // $NON-NLS-1$
}
int sum = 0;
for (int element : bits) {
if (element < 0) {
// awt.26D=The elements in bits is less than 0
throw new IllegalArgumentException(Messages.getString("awt.26D")); // $NON-NLS-1$
}
sum += element;
}
if (sum < 1) {
// awt.26E=The sum of the number of bits in bits is less than 1
throw new NullPointerException(Messages.getString("awt.26E")); // $NON-NLS-1$
}
if (cspace == null) {
// awt.26F=The cspace is null
throw new IllegalArgumentException(Messages.getString("awt.26F")); // $NON-NLS-1$
}
if (transparency < Transparency.OPAQUE || transparency > Transparency.TRANSLUCENT) {
// awt.270=The transparency is not a valid value
throw new IllegalArgumentException(Messages.getString("awt.270")); // $NON-NLS-1$
}
this.pixel_bits = pixel_bits;
this.bits = bits.clone();
maxValues = new int[bits.length];
maxBitLength = 0;
for (int i = 0; i < maxValues.length; i++) {
maxValues[i] = (1 << bits[i]) - 1;
if (bits[i] > maxBitLength) {
maxBitLength = bits[i];
}
}
cs = cspace;
this.hasAlpha = hasAlpha;
this.isAlphaPremultiplied = isAlphaPremultiplied;
numColorComponents = cs.getNumComponents();
if (hasAlpha) {
numComponents = numColorComponents + 1;
} else {
numComponents = numColorComponents;
}
this.transparency = transparency;
this.transferType = transferType;
}