Revision 8798
| org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.legend/org.gvsig.raster.lib.legend.impl/src/main/java/org/gvsig/raster/lib/legend/impl/DefaultColorManager.java | ||
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| 443 | 443 |
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| 444 | 444 |
public double[] RGBtoCMYK(int red, int green, int blue, double kScale) {
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double[] cmyk = new double[4]; |
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double c = 1D - (red / 255D);
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double m = 1D - (green / 255D);
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double y = 1D - (blue / 255D);
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cmyk[3] = 1D; |
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double r = red / 255D;
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double g = green / 255D;
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double b = blue / 255D;
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cmyk[3] = 1D - Math.max(r, Math.max(g, b));
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| 450 | 450 |
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if(c < cmyk[3]) |
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cmyk[3] = c; |
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if(m < cmyk[3]) |
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cmyk[3] = m; |
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if(y < cmyk[3]) |
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cmyk[3] = y; |
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cmyk[3] *= kScale; |
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if(cmyk[3] < 1.0) {
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cmyk[0] = ((double)(c - cmyk[3]) / (double)(1D - cmyk[3])); |
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cmyk[1] = ((double)(m - cmyk[3]) / (double)(1D - cmyk[3])); |
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cmyk[2] = ((double)(y - cmyk[3]) / (double)(1D - cmyk[3])); |
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cmyk[0] = 0; |
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cmyk[1] = 0; |
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cmyk[2] = 0; |
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if(cmyk[3]!=1){
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cmyk[0] = ((double) (1 - r - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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cmyk[1] = ((double) (1 - g - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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cmyk[2] = ((double) (1 - b - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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| 464 | 458 |
} |
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cmyk[3] *= kScale; |
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| 465 | 460 |
return cmyk; |
| 466 | 461 |
} |
| 467 | 462 |
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public double[] CMYKtoRGB(double cyan, double magenta, double yellow, double key) {
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| 469 | 464 |
double[] rgb = new double[3]; |
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double c = 1, m = 1, y = 1; |
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if (key < 1D) {
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c = cyan * (1D - key) + key; |
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m = magenta * (1D - key) + key; |
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y = yellow * (1D - key) + key; |
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} |
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rgb[0] = (1D - cyan)*(1-key); |
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rgb[1] = (1D - magenta)*(1-key); |
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rgb[2] = (1D - yellow)*(1-key); |
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| 477 | 469 |
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rgb[0] = 1D - c; |
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rgb[1] = 1D - m; |
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rgb[2] = 1D - y; |
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| 481 | 470 |
return rgb; |
| 482 | 471 |
} |
| 483 | 472 |
|
| org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.legend/org.gvsig.raster.lib.legend.impl/src/main/java/org/gvsig/raster/lib/legend/impl/operations/cmyktorgb/CMYKToRGBOperation.java | ||
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| 68 | 68 |
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try {
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if (!colorInterpretation.isCMYK()) {
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throw new UnsupportedOperationException("The color interpretation of input buffer isn't HSL");
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throw new UnsupportedOperationException("The color interpretation of input buffer isn't CMYK");
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} |
| 73 | 73 |
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int[] inputBandTypes = buffer.getBandTypes(); |
| org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.legend/org.gvsig.raster.lib.legend.impl/src/main/java/org/gvsig/raster/lib/legend/impl/operations/rgbtocmyk/RGBToCMYKOperation.java | ||
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| 26 | 26 |
import java.util.Iterator; |
| 27 | 27 |
import java.util.List; |
| 28 | 28 |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
| 30 | 33 |
import org.gvsig.raster.lib.buffer.api.Band; |
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import org.gvsig.raster.lib.buffer.api.BufferLocator; |
| ... | ... | |
| 35 | 38 |
import org.gvsig.raster.lib.buffer.api.exceptions.BufferOperationException; |
| 36 | 39 |
import org.gvsig.raster.lib.buffer.api.operations.OperationFactory; |
| 37 | 40 |
import org.gvsig.raster.lib.buffer.spi.exceptions.ProcessingOperationException; |
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import org.gvsig.raster.lib.buffer.spi.operations.AbstractOperation; |
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import org.gvsig.raster.lib.legend.api.RasterLegendLocator; |
| 40 | 42 |
import org.gvsig.raster.lib.legend.api.RasterLegendManager; |
| 41 | 43 |
import org.gvsig.raster.lib.legend.api.colorinterpretation.ColorInterpretation; |
| ... | ... | |
| 51 | 53 |
*/ |
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public class RGBToCMYKOperation extends AbstractColoredOperation {
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private static final Logger LOG = LoggerFactory.getLogger(RGBToCMYKOperation.class); |
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/** |
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* @param factory |
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* |
| ... | ... | |
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double[] convertedValues = colorManager.RGBtoCMYK(0xFF & inputByteRows[0][i], 0xFF & inputByteRows[1][i], 0xFF & inputByteRows[2][i], 255); |
| 231 | 235 |
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for (int band = 0; band < outputRows.size(); band++) {
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((byte[])(outputRows.get(band)))[i] = (new Double(convertedValues[band]*255)).byteValue();
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((byte[])(outputRows.get(band)))[i] = new Double(convertedValues[band]).byteValue();
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| 234 | 238 |
} |
| 235 | 239 |
} |
| 236 | 240 |
} |
| org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.legend/org.gvsig.raster.lib.legend.impl/src/test/java/org/gvsig/raster/lib/legend/impl/DefaultColorConversionTest.java | ||
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package org.gvsig.raster.lib.legend.impl; |
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import org.gvsig.raster.lib.legend.api.RasterLegendLocator; |
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import org.gvsig.raster.lib.legend.api.RasterLegendManager; |
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import org.gvsig.raster.lib.legend.api.colorinterpretation.ColorInterpretation; |
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import org.gvsig.tools.junit.AbstractLibraryAutoInitTestCase; |
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/** |
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* @author <a href="mailto:fdiaz@disid.com">Francisco D?az</a> |
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* |
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*/ |
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@SuppressWarnings("javadoc")
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public class DefaultColorConversionTest extends AbstractLibraryAutoInitTestCase {
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private ColorManager colorManager; |
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@Override |
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protected void doSetUp() throws Exception {
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RasterLegendManager rasterLegendManager = RasterLegendLocator.getRasterLegendManager(); |
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colorManager = ((RasterLegendManagerServices)RasterLegendLocator.getRasterLegendManager()).getColorManager(); |
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} |
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public void testSetColorInterpValue() {
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double[] convertedValues = colorManager.RGBtoCMYK(0xFF & 127, 0xFF & 127, 0xFF & 0, 100); |
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assertEquals((new Double(convertedValues[0])).byteValue(),0); |
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assertEquals((new Double(convertedValues[1])).byteValue(),0); |
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assertEquals((new Double(convertedValues[2])).byteValue(),100); |
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assertEquals((new Double(convertedValues[3])).byteValue(),50); |
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|
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convertedValues = colorManager.RGBtoCMYK(0xFF & 0, 0xFF & 0, 0xFF & 0, 100); |
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assertEquals((new Double(convertedValues[0])).byteValue(),0); |
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assertEquals((new Double(convertedValues[1])).byteValue(),0); |
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assertEquals((new Double(convertedValues[2])).byteValue(),0); |
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assertEquals((new Double(convertedValues[3])).byteValue(),100); |
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convertedValues = colorManager.RGBtoCMYK(0xFF & 64, 0xFF & 135, 0xFF & 192, 100); |
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assertEquals((new Double(convertedValues[0])).byteValue(),66); |
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assertEquals((new Double(convertedValues[1])).byteValue(),29); |
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assertEquals((new Double(convertedValues[2])).byteValue(),0); |
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assertEquals((new Double(convertedValues[3])).byteValue(),24); |
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convertedValues = colorManager.RGBtoCMYK(0xFF & 255, 0xFF & 255, 0xFF & 255, 100); |
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assertEquals((new Double(convertedValues[0])).byteValue(),0); |
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assertEquals((new Double(convertedValues[1])).byteValue(),0); |
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assertEquals((new Double(convertedValues[2])).byteValue(),0); |
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assertEquals((new Double(convertedValues[3])).byteValue(),0); |
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} |
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} |
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