Examples of com.lowagie.text.pdf.PdfNumber

com.lowagie.text.pdf.PdfNumber
PdfNumber provides two types of numbers, integer and real.
Integers may be specified by signed or unsigned constants. Reals may only be in decimal format.
This object is described in the 'Portable Document Format Reference Manual version 1.7' section 3.3.2 (page 52-53). @see PdfObject @see BadPdfFormatException

            else if (PLTE.equals(marker)) {
                if (colorType == 3) {
                    PdfArray colorspace = new PdfArray();
                    colorspace.add(PdfName.INDEXED);
                    colorspace.add(getColorspace());
                    colorspace.add(new PdfNumber(len / 3 - 1));
                    ByteBuffer colortable = new ByteBuffer();
                    while ((len--) > 0) {
                        colortable.append_i(is.read());
                    }
                    colorspace.add(new PdfString(colorTable = colortable.toByteArray()));

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            PdfDictionary dic = new PdfDictionary();
            if ((colorType & 2) == 0) {
                if (gamma == 1f)
                    return PdfName.DEVICEGRAY;
                array.add(PdfName.CALGRAY);
                dic.put(PdfName.GAMMA, new PdfNumber(gamma));
                dic.put(PdfName.WHITEPOINT, new PdfLiteral("[1 1 1]"));
                array.add(dic);
            }
            else {
                PdfObject wp = new PdfLiteral("[1 1 1]");
                array.add(PdfName.CALRGB);
                if (gamma != 1f) {
                    PdfArray gm = new PdfArray();
                    PdfNumber n = new PdfNumber(gamma);
                    gm.add(n);
                    gm.add(n);
                    gm.add(n);
                    dic.put(PdfName.GAMMA, gm);
                }
                if (hasCHRM) {
                    float z = yW*((xG-xB)*yR-(xR-xB)*yG+(xR-xG)*yB);
                    float YA = yR*((xG-xB)*yW-(xW-xB)*yG+(xW-xG)*yB)/z;
                    float XA = YA*xR/yR;
                    float ZA = YA*((1-xR)/yR-1);
                    float YB = -yG*((xR-xB)*yW-(xW-xB)*yR+(xW-xR)*yB)/z;
                    float XB = YB*xG/yG;
                    float ZB = YB*((1-xG)/yG-1);
                    float YC = yB*((xR-xG)*yW-(xW-xG)*yW+(xW-xR)*yG)/z;
                    float XC = YC*xB/yB;
                    float ZC = YC*((1-xB)/yB-1);
                    float XW = XA+XB+XC;
                    float YW = 1;//YA+YB+YC;
                    float ZW = ZA+ZB+ZC;
                    PdfArray wpa = new PdfArray();
                    wpa.add(new PdfNumber(XW));
                    wpa.add(new PdfNumber(YW));
                    wpa.add(new PdfNumber(ZW));
                    wp = wpa;
                    PdfArray matrix = new PdfArray();
                    matrix.add(new PdfNumber(XA));
                    matrix.add(new PdfNumber(YA));
                    matrix.add(new PdfNumber(ZA));
                    matrix.add(new PdfNumber(XB));
                    matrix.add(new PdfNumber(YB));
                    matrix.add(new PdfNumber(ZB));
                    matrix.add(new PdfNumber(XC));
                    matrix.add(new PdfNumber(YC));
                    matrix.add(new PdfNumber(ZC));
                    dic.put(PdfName.MATRIX, matrix);
                }
                dic.put(PdfName.WHITEPOINT, wp);
                array.add(dic);
            }

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            }
            else {
                img = new ImgRaw(width, height, components, bpc, idat.toByteArray());
                img.setDeflated(true);
                PdfDictionary decodeparms = new PdfDictionary();
                decodeparms.put(PdfName.BITSPERCOMPONENT, new PdfNumber(bitDepth));
                decodeparms.put(PdfName.PREDICTOR, new PdfNumber(15));
                decodeparms.put(PdfName.COLUMNS, new PdfNumber(width));
                decodeparms.put(PdfName.COLORS, new PdfNumber((colorType == 3 || (colorType & 2) == 0) ? 1 : 3));
                additional.put(PdfName.DECODEPARMS, decodeparms);
            }
            if (additional.get(PdfName.COLORSPACE) == null)
                additional.put(PdfName.COLORSPACE, getColorspace());
            if (intent != null)

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    /**
     * A content operator implementation (Tc).
     */
    private static class SetTextCharacterSpacing implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfNumber charSpace = (PdfNumber)operands.get(0);
            processor.gs().characterSpacing = charSpace.floatValue();
        }

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    /**
     * A content operator implementation (Tw).
     */
    private static class SetTextWordSpacing implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfNumber wordSpace = (PdfNumber)operands.get(0);
            processor.gs().wordSpacing = wordSpace.floatValue();
        }

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    /**
     * A content operator implementation (").
     */
    private static class MoveNextLineAndShowTextWithSpacing implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfNumber aw = (PdfNumber)operands.get(0);
            PdfNumber ac = (PdfNumber)operands.get(1);
            PdfString string = (PdfString)operands.get(2);
            
            ArrayList twOperands = new ArrayList(1);
            twOperands.add(0, aw);
            processor.invokeOperator(new PdfLiteral("Tw"), twOperands);

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     * A content operator implementation (T*).
     */
    private static class TextMoveNextLine implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            ArrayList tdoperands = new ArrayList(2);
            tdoperands.add(0, new PdfNumber(0));
            tdoperands.add(1, new PdfNumber(processor.gs().leading));
            processor.invokeOperator(new PdfLiteral("Td"), tdoperands);
        }

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    private static class TextMoveStartNextLineWithLeading implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            float ty = ((PdfNumber)operands.get(1)).floatValue();
            
            ArrayList tlOperands = new ArrayList(1);
            tlOperands.add(0, new PdfNumber(-ty));
            processor.invokeOperator(new PdfLiteral("TL"), tlOperands);
            processor.invokeOperator(new PdfLiteral("Td"), operands);
        }

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    /**
     * A content operator implementation (Tr).
     */
    private static class SetTextRenderMode implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfNumber render = (PdfNumber)operands.get(0);
            processor.gs().renderMode = render.intValue();
        }

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    /**
     * A content operator implementation (Ts).
     */
    private static class SetTextRise implements ContentOperator{
        public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
            PdfNumber rise = (PdfNumber)operands.get(0);
            processor.gs().rise = rise.floatValue();
        }

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