Example usage for java.awt Color getColorComponents

Introduction

In this page you can find the example usage for java.awt Color getColorComponents.

Prototype

public float[] getColorComponents(float[] compArray) 

Source Link

Document

Returns a float array containing only the color components of the Color , in the ColorSpace of the Color .

Usage

From source file:fi.nls.oskari.printout.printing.PDPageContentStream.java

/**
 * Set the non stroking color, specified as RGB.
 * /*w w  w. ja  v a2 s.  c  o m*/
 * @param color
 *            The color to set.
 * @throws IOException
 *             If an IO error occurs while writing to the stream.
 */
public void setNonStrokingColor(Color color) throws IOException {
    ColorSpace colorSpace = color.getColorSpace();
    if (colorSpace.getType() == ColorSpace.TYPE_RGB) {
        setNonStrokingColor(color.getRed(), color.getGreen(), color.getBlue());
    } else if (colorSpace.getType() == ColorSpace.TYPE_GRAY) {
        color.getColorComponents(colorComponents);
        setNonStrokingColor(colorComponents[0]);
    } else if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
        color.getColorComponents(colorComponents);
        setNonStrokingColor(colorComponents[0], colorComponents[1], colorComponents[2], colorComponents[3]);
    } else {
        throw new IOException("Error: unknown colorspace:" + colorSpace);
    }
}

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From source file:org.apache.fop.afp.ptoca.PtocaBuilder.java

/**
 * The Set Extended Text Color control sequence specifies a color value and
 * defines the color space and encoding for that value. The specified color
 * value is applied to foreground areas of the text presentation space.
 * <p>/*from   ww  w.j a  va  2  s .c o m*/
 * This is a modal control sequence.
 *
 * @param col The color to be set.
 * @throws IOException if an I/O error occurs
 */
public void setExtendedTextColor(Color col) throws IOException {
    if (ColorUtil.isSameColor(col, currentColor)) {
        return;
    }
    if (col instanceof ColorWithAlternatives) {
        ColorWithAlternatives cwa = (ColorWithAlternatives) col;
        Color alt = cwa.getFirstAlternativeOfType(ColorSpace.TYPE_CMYK);
        if (alt != null) {
            col = alt;
        }
    }
    ColorSpace cs = col.getColorSpace();

    newControlSequence();
    if (col.getColorSpace().getType() == ColorSpace.TYPE_CMYK) {
        // Color space - 0x04 = CMYK, all else are reserved and must be zero
        writeBytes(0x00, 0x04, 0x00, 0x00, 0x00, 0x00);
        writeBytes(8, 8, 8, 8); // Number of bits in component 1, 2, 3 & 4 respectively
        float[] comps = col.getColorComponents(null);
        assert comps.length == 4;
        for (int i = 0; i < 4; i++) {
            int component = Math.round(comps[i] * 255);
            writeBytes(component);
        }
    } else if (cs instanceof CIELabColorSpace) {
        // Color space - 0x08 = CIELAB, all else are reserved and must be zero
        writeBytes(0x00, 0x08, 0x00, 0x00, 0x00, 0x00);
        writeBytes(8, 8, 8, 0); // Number of bits in component 1,2,3 & 4
        //Sadly, 16 bit components don't seem to work
        float[] colorComponents = col.getColorComponents(null);
        int l = Math.round(colorComponents[0] * 255f);
        int a = Math.round(colorComponents[1] * 255f) - 128;
        int b = Math.round(colorComponents[2] * 255f) - 128;
        writeBytes(l, a, b); // l*, a* and b*
    } else {
        // Color space - 0x01 = RGB, all else are reserved and must be zero
        writeBytes(0x00, 0x01, 0x00, 0x00, 0x00, 0x00);
        writeBytes(8, 8, 8, 0); // Number of bits in component 1, 2, 3 & 4 respectively
        writeBytes(col.getRed(), col.getGreen(), col.getBlue()); // RGB intensity
    }
    commit(chained(SEC));
    this.currentColor = col;
}

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From source file:org.apache.fop.pdf.PDFColorHandler.java

private boolean establishColorFromColor(StringBuffer codeBuffer, Color color, boolean fill) {
    ColorSpace cs = color.getColorSpace();
    if (cs instanceof DeviceCMYKColorSpace) {
        establishDeviceCMYK(codeBuffer, color, fill);
        return true;
    } else if (!cs.isCS_sRGB()) {
        if (cs instanceof ICC_ColorSpace) {
            PDFICCBasedColorSpace pdfcs = getICCBasedColorSpace((ICC_ColorSpace) cs);
            establishColor(codeBuffer, pdfcs, color, fill);
            return true;
        } else if (cs instanceof NamedColorSpace) {
            PDFSeparationColorSpace sepcs = getSeparationColorSpace((NamedColorSpace) cs);
            establishColor(codeBuffer, sepcs, color, fill);
            return true;
        } else if (cs instanceof CIELabColorSpace) {
            CIELabColorSpace labcs = (CIELabColorSpace) cs;
            PDFCIELabColorSpace pdflab = getCIELabColorSpace(labcs);
            selectColorSpace(codeBuffer, pdflab, fill);
            float[] comps = color.getColorComponents(null);
            float[] nativeComps = labcs.toNativeComponents(comps);
            writeColor(codeBuffer, nativeComps, labcs.getNumComponents(), (fill ? "sc" : "SC"));
            return true;
        }//w w w.  jav a 2  s . c  o m
    }
    return false;
}

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From source file:org.apache.fop.pdf.PDFColorHandler.java

private void establishDeviceRGB(StringBuffer codeBuffer, Color color, boolean fill) {
    float[] comps;
    if (color.getColorSpace().isCS_sRGB()) {
        comps = color.getColorComponents(null);
    } else {/*from   w  w  w .j  a  v  a 2 s  .  c om*/
        if (log.isDebugEnabled()) {
            log.debug("Converting color to sRGB as a fallback: " + color);
        }
        ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        comps = color.getColorComponents(sRGB, null);
    }
    if (ColorUtil.isGray(color)) {
        comps = new float[] { comps[0] }; //assuming that all components are the same
        writeColor(codeBuffer, comps, 1, (fill ? "g" : "G"));
    } else {
        writeColor(codeBuffer, comps, 3, (fill ? "rg" : "RG"));
    }
}

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From source file:org.apache.fop.pdf.PDFColorHandler.java

private void writeColor(StringBuffer codeBuffer, Color color, int componentCount, String command) {
    float[] comps = color.getColorComponents(null);
    writeColor(codeBuffer, comps, componentCount, command);
}

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From source file:org.apache.fop.pdf.PDFFactory.java

private List toColorVector(Color nextColor) {
    List vector = new java.util.ArrayList();
    float[] comps = nextColor.getColorComponents(null);
    for (int i = 0, c = comps.length; i < c; i++) {
        vector.add(new Double(comps[i]));
    }/*from  w  ww  .  j  a va 2  s.co m*/
    return vector;
}

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From source file:org.apache.fop.util.ColorUtil.java

/**
 * Creates a re-parsable string representation of the given color.
 * <p>//from  w w w . j  a  va2s  .com
 * First, the color will be converted into the sRGB colorspace. It will then
 * be printed as #rrggbb, or as #rrrggbbaa if an alpha value is present.
 *
 * @param color
 *            the color to represent.
 * @return a re-parsable string representadion.
 */
public static String colorToString(Color color) {
    ColorSpace cs = color.getColorSpace();
    if (color instanceof ColorWithAlternatives) {
        return toFunctionCall((ColorWithAlternatives) color);
    } else if (cs != null && cs.getType() == ColorSpace.TYPE_CMYK) {
        StringBuffer sbuf = new StringBuffer(24);
        float[] cmyk = color.getColorComponents(null);
        sbuf.append("cmyk(").append(cmyk[0]).append(",").append(cmyk[1]).append(",").append(cmyk[2]).append(",")
                .append(cmyk[3]).append(")");
        return sbuf.toString();
    } else {
        return toRGBFunctionCall(color);
    }
}

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From source file:org.apache.fop.util.ColorUtil.java

/**
 * Create string representation of a fop-rgb-icc (or fop-rgb-named-color) function call from
 * the given color./*from   w  w  w .j av a  2s.c o m*/
 * @param color the color to turn into a function call
 * @return the string representing the internal fop-rgb-icc() or fop-rgb-named-color()
 *           function call
 */
private static String toFunctionCall(ColorWithAlternatives color) {
    ColorSpace cs = color.getColorSpace();
    if (cs.isCS_sRGB() && !color.hasAlternativeColors()) {
        return toRGBFunctionCall(color);
    }
    if (cs instanceof CIELabColorSpace) {
        return toCIELabFunctionCall(color);
    }

    Color specColor = color;
    if (color.hasAlternativeColors()) {
        Color alt = color.getAlternativeColors()[0];
        if (ColorSpaces.isDeviceColorSpace(alt.getColorSpace())) {
            cs = alt.getColorSpace();
            specColor = alt;
        }
    }
    ColorSpaceOrigin origin = ColorSpaces.getColorSpaceOrigin(cs);
    String functionName;

    Color fallbackColor = getsRGBFallback(color);
    float[] rgb = fallbackColor.getColorComponents(null);
    assert rgb.length == 3;
    StringBuffer sb = new StringBuffer(40);
    sb.append("(");
    sb.append(rgb[0]).append(",");
    sb.append(rgb[1]).append(",");
    sb.append(rgb[2]).append(",");
    String profileName = origin.getProfileName();
    sb.append(profileName).append(",");
    if (origin.getProfileURI() != null) {
        sb.append("\"").append(origin.getProfileURI()).append("\"");
    }

    if (cs instanceof NamedColorSpace) {
        NamedColorSpace ncs = (NamedColorSpace) cs;
        if (SEPARATION_PSEUDO_PROFILE.equalsIgnoreCase(profileName)) {
            functionName = "fop-rgb-icc";
        } else {
            functionName = "fop-rgb-named-color";
        }
        sb.append(",").append(ncs.getColorName());
    } else {
        functionName = "fop-rgb-icc";
        float[] colorComponents = specColor.getColorComponents(null);
        for (float colorComponent : colorComponents) {
            sb.append(",");
            sb.append(colorComponent);
        }
    }
    sb.append(")");
    return functionName + sb.toString();
}

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From source file:org.apache.pdfbox.pdmodel.edit.PDPageContentStream.java

/**
 * Set the stroking color, specified as RGB.
 *
 * @param color The color to set.//ww w .jav a 2s  . c om
 * @throws IOException If an IO error occurs while writing to the stream.
 */
public void setStrokingColor(Color color) throws IOException {
    ColorSpace colorSpace = color.getColorSpace();
    if (colorSpace.getType() == ColorSpace.TYPE_RGB) {
        setStrokingColor(color.getRed(), color.getGreen(), color.getBlue());
    } else if (colorSpace.getType() == ColorSpace.TYPE_GRAY) {
        color.getColorComponents(colorComponents);
        setStrokingColor(colorComponents[0]);
    } else if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
        color.getColorComponents(colorComponents);
        setStrokingColor(colorComponents[0], colorComponents[2], colorComponents[2], colorComponents[3]);
    } else {
        throw new IOException("Error: unknown colorspace:" + colorSpace);
    }
}

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From source file:org.apache.pdfbox.pdmodel.edit.PDPageContentStream.java

/**
 * Set the non stroking color, specified as RGB.
 *
 * @param color The color to set./*w  ww.  j a va  2  s  . c om*/
 * @throws IOException If an IO error occurs while writing to the stream.
 */
public void setNonStrokingColor(Color color) throws IOException {
    ColorSpace colorSpace = color.getColorSpace();
    if (colorSpace.getType() == ColorSpace.TYPE_RGB) {
        setNonStrokingColor(color.getRed(), color.getGreen(), color.getBlue());
    } else if (colorSpace.getType() == ColorSpace.TYPE_GRAY) {
        color.getColorComponents(colorComponents);
        setNonStrokingColor(colorComponents[0]);
    } else if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
        color.getColorComponents(colorComponents);
        setNonStrokingColor(colorComponents[0], colorComponents[2], colorComponents[2], colorComponents[3]);
    } else {
        throw new IOException("Error: unknown colorspace:" + colorSpace);
    }
}

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