pdfannotation.java

处理PDF

     * @param page
     * @param dest
     * @return A PdfAnnotation
     */
    public static PdfAnnotation createLink(PdfWriter writer, Rectangle rect, PdfName highlight, int page, PdfDestination dest) {
        PdfAnnotation annot = createLink(writer, rect, highlight);
        PdfIndirectReference ref = writer.getPageReference(page);
        dest.addPage(ref);
        annot.put(PdfName.DEST, dest);
        return annot;
    }
    
    /**
     * Add some free text to the document.
     * @param writer
     * @param rect
     * @param contents
     * @param defaultAppearance
     * @return A PdfAnnotation
     */
    public static PdfAnnotation createFreeText(PdfWriter writer, Rectangle rect, String contents, PdfContentByte defaultAppearance) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        annot.put(PdfName.SUBTYPE, PdfName.FREETEXT);
        annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        annot.setDefaultAppearanceString(defaultAppearance);
        return annot;
    }

    /**
     * Adds a line to the document. Move over the line and a tooltip is shown.
     * @param writer
     * @param rect
     * @param contents
     * @param x1
     * @param y1
     * @param x2
     * @param y2
     * @return A PdfAnnotation
     */
    public static PdfAnnotation createLine(PdfWriter writer, Rectangle rect, String contents, float x1, float y1, float x2, float y2) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        annot.put(PdfName.SUBTYPE, PdfName.LINE);
        annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        PdfArray array = new PdfArray(new PdfNumber(x1));
        array.add(new PdfNumber(y1));
        array.add(new PdfNumber(x2));
        array.add(new PdfNumber(y2));
        annot.put(PdfName.L, array);
        return annot;
    }

    /**
     * Adds a circle or a square that shows a tooltip when you pass over it.
     * @param writer
     * @param rect
     * @param contents The tooltip
     * @param square true if you want a square, false if you want a circle
     * @return A PdfAnnotation
     */
    public static PdfAnnotation createSquareCircle(PdfWriter writer, Rectangle rect, String contents, boolean square) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        if (square)
            annot.put(PdfName.SUBTYPE, PdfName.SQUARE);
        else
            annot.put(PdfName.SUBTYPE, PdfName.CIRCLE);
        annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        return annot;
    }

    public static PdfAnnotation createMarkup(PdfWriter writer, Rectangle rect, String contents, int type, float quadPoints[]) {
        PdfAnnotation annot = new PdfAnnotation(writer, rect);
        PdfName name = PdfName.HIGHLIGHT;
        switch (type) {
            case MARKUP_UNDERLINE:
                name = PdfName.UNDERLINE;
                break;
            case MARKUP_STRIKEOUT:
                name = PdfName.STRIKEOUT;
                break;
            case MARKUP_SQUIGGLY:
                name = PdfName.SQUIGGLY;
                break;
        }
        annot.put(PdfName.SUBTYPE, name);
        annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
        PdfArray array = new PdfArray();
        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() {