public float[] toCIEXYZ(float[] colorvalue) {
if (colorvalue[0] == 1) {
return prev1;
} else if (colorvalue[0] == 0) {
return prev0;
} else {
// System.out.println("MaskColorSpace converting: "+colorvalue[0]);
return cie.fromRGB(toRGB(colorvalue));
}
}
/**
* A color space used to implement masks. For now, the only type of mask supported is one where the
* image pixels specify where to paint, and the painting itself is done in a pre-specified PDF
* Paint.
*/
public class MaskColorSpace extends ColorSpace {
/** The paint to paint in. Note this cannot be a pattern or gradient. */
private PDFPaint paint;
/** Creates a new instance of PaintColorSpace */
public MaskColorSpace(PDFPaint paint) {
super(TYPE_RGB, 1);
this.paint = paint;
}
public float[] fromCIEXYZ(float[] colorvalue) {
float x = colorvalue[0];
float y = colorvalue[1];
float z = colorvalue[2];
float[] mask = new float[1];
if (Math.round(x) > 0 || Math.round(y) > 0 || Math.round(z) > 0) {
mask[0] = 1;
} else {
mask[0] = 0;
}
return mask;
}
public float[] fromRGB(float[] rgbvalue) {
float r = rgbvalue[0];
float g = rgbvalue[1];
float b = rgbvalue[2];
float[] mask = new float[1];
if (Math.round(r) > 0 || Math.round(g) > 0 || Math.round(b) > 0) {
mask[0] = 1;
} else {
mask[0] = 0;
}
return mask;
}
ColorSpace cie = ColorSpace.getInstance(ColorSpace.CS_CIEXYZ);
float[] prev1 = cie.fromRGB(toRGB(new float[] {1.0f}));
float[] prev0 = cie.fromRGB(toRGB(new float[] {0.0f}));
public float[] toCIEXYZ(float[] colorvalue) {
if (colorvalue[0] == 1) {
return prev1;
} else if (colorvalue[0] == 0) {
return prev0;
} else {
// System.out.println("MaskColorSpace converting: "+colorvalue[0]);
return cie.fromRGB(toRGB(colorvalue));
}
}
public float[] toRGB(float[] colorvalue) {
return ((Color) paint.getPaint()).getRGBColorComponents(null);
}
@Override
public int getNumComponents() {
return 1;
}
}
