pdfannotation.java

iText是一个能够快速产生PDF文件的java类库。iText的java类对于那些要产生包含文本

        for (int k = 0; k < quadPoints.length; ++k)
            array.add(new PdfNumber(quadPoints[k]));
        annot.put(PdfName.QUADPOINTS, array);
        return annot;
    }

    /**
     * Adds a Stamp to your document. Move over the stamp and a tooltip is shown
     * @param writer
     * @param rect
     * @param contents
     * @param name
     * @return A PdfAnnotation
     */
    public static PdfAnnotation createStamp(PdfWriter writer, Rectangle rect, String contents, String name) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        annot.put(PdfName.SUBTYPE, PdfName.STAMP);
        annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        annot.put(PdfName.NAME, new PdfName(name));
        return annot;
    }

    public static PdfAnnotation createInk(PdfWriter writer, Rectangle rect, String contents, float inkList[][]) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        annot.put(PdfName.SUBTYPE, PdfName.INK);
        annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        PdfArray outer = new PdfArray();
        for (int k = 0; k < inkList.length; ++k) {
            PdfArray inner = new PdfArray();
            float deep[] = inkList[k];
            for (int j = 0; j < deep.length; ++j)
                inner.add(new PdfNumber(deep[j]));
            outer.add(inner);
        }
        annot.put(PdfName.INKLIST, outer);
        return annot;
    }

    /** Creates a file attachment annotation.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param rect the dimensions in the page of the annotation
     * @param contents the file description
     * @param fileStore an array with the file. If it's <CODE>null</CODE>
     * the file will be read from the disk
     * @param file the path to the file. It will only be used if
     * <CODE>fileStore</CODE> is not <CODE>null</CODE>
     * @param fileDisplay the actual file name stored in the pdf
     * @throws IOException on error
     * @return the annotation
     */    
    public static PdfAnnotation createFileAttachment(PdfWriter writer, Rectangle rect, String contents, byte fileStore[], String file, String fileDisplay) throws IOException {
        return createFileAttachment(writer, rect, contents, PdfFileSpecification.fileEmbedded(writer, file, fileDisplay, fileStore));
    }

    /** Creates a file attachment annotation
     * @param writer
     * @param rect
     * @param contents
     * @param fs
     * @return the annotation
     * @throws IOException
     */
    public static PdfAnnotation createFileAttachment(PdfWriter writer, Rectangle rect, String contents, PdfFileSpecification fs) throws IOException {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        annot.put(PdfName.SUBTYPE, PdfName.FILEATTACHMENT);
        if (contents != null)
            annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        annot.put(PdfName.FS, fs.getReference());
        return annot;
    }
    
    /**
     * Adds a popup to your document.
     * @param writer
     * @param rect
     * @param contents
     * @param open
     * @return A PdfAnnotation
     */
    public static PdfAnnotation createPopup(PdfWriter writer, Rectangle rect, String contents, boolean open) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        annot.put(PdfName.SUBTYPE, PdfName.POPUP);
        if (contents != null)
            annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        if (open)
            annot.put(PdfName.OPEN, PdfBoolean.PDFTRUE);
        return annot;
    }

    public void setDefaultAppearanceString(PdfContentByte cb) {
        byte b[] = cb.getInternalBuffer().toByteArray();
        int len = b.length;
        for (int k = 0; k < len; ++k) {
            if (b[k] == '\n')
                b[k] = 32;
        }
        put(PdfName.DA, new PdfString(b));
    }
    
    public void setFlags(int flags) {
        if (flags == 0)
            remove(PdfName.F);
        else
            put(PdfName.F, new PdfNumber(flags));
    }
    
    public void setBorder(PdfBorderArray border) {
        put(PdfName.BORDER, border);
    }

    public void setBorderStyle(PdfBorderDictionary border) {
        put(PdfName.BS, border);
    }
    
    /**
     * Sets the annotation's highlighting mode. The values can be
     * <CODE>HIGHLIGHT_NONE</CODE>, <CODE>HIGHLIGHT_INVERT</CODE>,
     * <CODE>HIGHLIGHT_OUTLINE</CODE> and <CODE>HIGHLIGHT_PUSH</CODE>;
     * @param highlight the annotation's highlighting mode
     */    
    public void setHighlighting(PdfName highlight) {
        if (highlight.equals(HIGHLIGHT_INVERT))
            remove(PdfName.H);
        else
            put(PdfName.H, highlight);
    }
    
    public void setAppearance(PdfName ap, PdfTemplate template) {
        PdfDictionary dic = (PdfDictionary)get(PdfName.AP);
        if (dic == null)
            dic = new PdfDictionary();
        dic.put(ap, template.getIndirectReference());
        put(PdfName.AP, dic);
        if (!form)
            return;
        if (templates == null)
            templates = new HashMap();
        templates.put(template, null);
    }

    public void setAppearance(PdfName ap, String state, PdfTemplate template) {
        PdfDictionary dicAp = (PdfDictionary)get(PdfName.AP);
        if (dicAp == null)
            dicAp = new PdfDictionary();

        PdfDictionary dic;
        PdfObject obj = dicAp.get(ap);
        if (obj != null && obj.isDictionary())
            dic = (PdfDictionary)obj;
        else
            dic = new PdfDictionary();
        dic.put(new PdfName(state), template.getIndirectReference());
        dicAp.put(ap, dic);
        put(PdfName.AP, dicAp);
        if (!form)
            return;
        if (templates == null)
            templates = new HashMap();
        templates.put(template, null);
    }
    
    public void setAppearanceState(String state) {
        if (state == null) {
            remove(PdfName.AS);
            return;
        }
        put(PdfName.AS, new PdfName(state));
    }
    
    public void setColor(Color color) {
        put(PdfName.C, new PdfColor(color));
    }
    
    public void setTitle(String title) {
        if (title == null) {
            remove(PdfName.T);
            return;
        }
        put(PdfName.T, new PdfString(title, PdfObject.TEXT_UNICODE));
    }
    
    public void setPopup(PdfAnnotation popup) {
        put(PdfName.POPUP, popup.getIndirectReference());
        popup.put(PdfName.PARENT, getIndirectReference());
    }
    
    public void setAction(PdfAction action) {
        put(PdfName.A, action);
    }
    
    public void setAdditionalActions(PdfName key, PdfAction action) {
        PdfDictionary dic;
        PdfObject obj = get(PdfName.AA);
        if (obj != null && obj.isDictionary())
            dic = (PdfDictionary)obj;
        else
            dic = new PdfDictionary();
        dic.put(key, action);
        put(PdfName.AA, dic);
    }
    
    /** Getter for property used.
     * @return Value of property used.
     */
    public boolean isUsed() {
        return used;
    }
    
    /** Setter for property used.
     */
    public void setUsed() {
        used = true;
    }
    
    public HashMap getTemplates() {
        return templates;
    }
    
    /** Getter for property form.
     * @return Value of property form.
     */
    public boolean isForm() {
        return form;
    }
    
    /** Getter for property annotation.
     * @return Value of property annotation.
     */
    public boolean isAnnotation() {
        return annotation;
    }
    
    public void setPage(int page) {
        put(PdfName.P, writer.getPageReference(page));
    }
    
    public void setPage() {
        put(PdfName.P, writer.getCurrentPage());
    }
    
    /** Getter for property placeInPage.
     * @return Value of property placeInPage.
     */
    public int getPlaceInPage() {
        return placeInPage;
    }
    
    /** Places the annotation in a specified page that must be greater
     * or equal to the current one. With <code>PdfStamper</code> the page
     * can be any. The first page is 1.
     * @param placeInPage New value of property placeInPage.
     */
    public void setPlaceInPage(int placeInPage) {
        this.placeInPage = placeInPage;
    }
    
    public void setRotate(int v) {
        put(PdfName.ROTATE, new PdfNumber(v));
    }
    
    PdfDictionary getMK() {
        PdfDictionary mk = (PdfDictionary)get(PdfName.MK);
        if (mk == null) {
            mk = new PdfDictionary();
            put(PdfName.MK, mk);
        }
        return mk;
    }
    
    public void setMKRotation(int rotation) {
        getMK().put(PdfName.R, new PdfNumber(rotation));
    }
    
    public static PdfArray getMKColor(Color color) {
        PdfArray array = new PdfArray();
        int type = ExtendedColor.getType(color);
        switch (type) {
            case ExtendedColor.TYPE_GRAY: {
                array.add(new PdfNumber(((GrayColor)color).getGray()));
                break;
            }
            case ExtendedColor.TYPE_CMYK: {
                CMYKColor cmyk = (CMYKColor)color;
                array.add(new PdfNumber(cmyk.getCyan()));
                array.add(new PdfNumber(cmyk.getMagenta()));
                array.add(new PdfNumber(cmyk.getYellow()));
                array.add(new PdfNumber(cmyk.getBlack()));
                break;
            }
            case ExtendedColor.TYPE_SEPARATION:
            case ExtendedColor.TYPE_PATTERN:
            case ExtendedColor.TYPE_SHADING:
                throw new RuntimeException("Separations, patterns and shadings are not allowed in MK dictionary.");
            default:
                array.add(new PdfNumber(color.getRed() / 255f));
                array.add(new PdfNumber(color.getGreen() / 255f));
                array.add(new PdfNumber(color.getBlue() / 255f));
        }
        return array;
    }
    
    public void setMKBorderColor(Color color) {
        if (color == null)
            getMK().remove(PdfName.BC);
        else
            getMK().put(PdfName.BC, getMKColor(color));
    }
    
    public void setMKBackgroundColor(Color color) {
        if (color == null)
            getMK().remove(PdfName.BG);
        else
            getMK().put(PdfName.BG, getMKColor(color));
    }
    
    public void setMKNormalCaption(String caption) {
        getMK().put(PdfName.CA, new PdfString(caption, PdfObject.TEXT_UNICODE));
    }
    
    public void setMKRolloverCaption(String caption) {
        getMK().put(PdfName.RC, new PdfString(caption, PdfObject.TEXT_UNICODE));
    }
    
    public void setMKAlternateCaption(String caption) {
        getMK().put(PdfName.AC, new PdfString(caption, PdfObject.TEXT_UNICODE));
    }
    
    public void setMKNormalIcon(PdfTemplate template) {
        getMK().put(PdfName.I, template.getIndirectReference());
    }
    
    public void setMKRolloverIcon(PdfTemplate template) {
        getMK().put(PdfName.RI, template.getIndirectReference());
    }
    
    public void setMKAlternateIcon(PdfTemplate template) {
        getMK().put(PdfName.IX, template.getIndirectReference());
    }
    
    public void setMKIconFit(PdfName scale, PdfName scalingType, float leftoverLeft, float leftoverBottom, boolean fitInBounds) {
        PdfDictionary dic = new PdfDictionary();
        if (!scale.equals(PdfName.A))
            dic.put(PdfName.SW, scale);
        if (!scalingType.equals(PdfName.P))
            dic.put(PdfName.S, scalingType);
        if (leftoverLeft != 0.5f || leftoverBottom != 0.5f) {
            PdfArray array = new PdfArray(new PdfNumber(leftoverLeft));
            array.add(new PdfNumber(leftoverBottom));
            dic.put(PdfName.A, array);
        }
        if (fitInBounds)
            dic.put(PdfName.FB, PdfBoolean.PDFTRUE);
        getMK().put(PdfName.IF, dic);
    }
    
    public void setMKTextPosition(int tp) {
        getMK().put(PdfName.TP, new PdfNumber(tp));
    }
    
    /**
     * Sets the layer this annotation belongs to.
     * @param layer the layer this annotation belongs to
     */    
    public void setLayer(PdfOCG layer) {
        put(PdfName.OC, layer.getRef());
    }
    
    /**
     * Sets the name of the annotation.
     * With this name the annotation can be identified among
     * all the annotations on a page (it has to be unique).
     */
    public void setName(String name) {
    	put(PdfName.NM, new PdfString(name));
    }
}