Thank Gary and Tilman, digesting the code right now.
I am about 20+ hours in decomposing the differences of my output vs acrobat.
If I have anything re-usable, will make a pull request for examples.
-JAson
> -----Original Message-----
> From: Gary Grosso <gary.gro...@oberontech.com>
> Sent: Thursday, November 7, 2019 12:24 PM
> To: users@pdfbox.apache.org
> Subject: RE: Unable to find documentation on using PDRadioButton.setValue
> with regards to
> PDDocument.saveIncremental (selected appearance not show in PDF viewer)
>
> I haven't looked at this code in a few years, so I am not in a position to
> expound on it. I offer it
> in the possibility it suggests something. Caveat: I seem to recall they
> wanted their radio buttons
> optionally to do some things that did not seem radio-button-like to me.
>
>
> private static void addRadiobuttonAtRect(PDDocument document, PDPage page,
> PDAcroForm acroForm, String
> name,
> Map<String, String> optionMap, PDRectangle rect, GroupInfo groupInfo, String
> dflt) {
> PDAnnotationWidget radioButton = new PDAnnotationWidget();
>
> String grp = Utils.unescapeChar(optionMap.get("grp"));
> System.out.println("grp=" + grp + "; name=" + name + "; num=" +
> optionMap.get("num"));
>
> radioButton.setRectangle(rect);
> radioButton.setPrinted(true);
>
> int wd = Utils.getInt(optionMap.get("wd"));
> if (wd == -1) {
> System.out.println("Zero or invalid wd of radio button '" +
> optionMap.get("wd") + "'");
> wd = 8;
> }
> rect.setUpperRightX(rect.getLowerLeftX() + wd);
> rect.setUpperRightY(rect.getLowerLeftY() + wd); // assume buttons are never
> oblong/oval
>
> boolean squareButtons = true;
> String type = optionMap.get("btnshape");
> if ((type != null) && type.equals("round")) {
> squareButtons = false;
> }
>
> PDFormFieldAdditionalActions fieldActions = new
> PDFormFieldAdditionalActions();
> PDAnnotationAdditionalActions annotationActions = new
> PDAnnotationAdditionalActions();
> setWidgetActions(optionMap, fieldActions, annotationActions);
> radioButton.setActions(annotationActions);
>
> PDAppearanceCharacteristicsDictionary fieldAppearance
> = new PDAppearanceCharacteristicsDictionary(new
> COSDictionary());
> if (Utils.getInt(optionMap.get("brdwt")) != 0) {
> /*
> * For borderWeight of zero to work reliably (and not exhibit a thin
> rule),
> * it is important not so set any border color.
> */
>
> fieldAppearance.setBorderColour(Utils.hexToPDColor(optionMap.get("brdclr")));
> }
> fieldAppearance.setBackground(Utils.hexToPDColor(optionMap.get("bclr")));
>
> radioButton.setAnnotationFlags(4);
> radioButton.setPage(page);
> PDRadioButton radioGroupWidget = (PDRadioButton)
> groupInfo.getGroupButton();
> radioButton.setParent(radioGroupWidget);
>
>
> COSDictionary apNDict = new COSDictionary();
> COSDictionary apDDict = new COSDictionary();
>
> PDAppearanceDictionary appearance = new PDAppearanceDictionary();
> PDAppearanceEntry appearanceNEntry;
> PDAppearanceEntry appearanceDEntry;
>
> COSStream offNStream = new COSStream();
> offNStream.setItem(COSName.BBOX, rect);
> offNStream.setItem(COSName.FORMTYPE, COSInteger.ONE);
> offNStream.setItem(COSName.TYPE, COSName.XOBJECT);
> offNStream.setItem(COSName.SUBTYPE, COSName.FORM);
> apNDict.setItem(COSName.Off, offNStream);
>
> COSStream onNStream = new COSStream();
> onNStream.setItem(COSName.BBOX, rect);
> onNStream.setItem(COSName.FORMTYPE, COSInteger.ONE);
> onNStream.setItem(COSName.TYPE, COSName.XOBJECT);
> onNStream.setItem(COSName.SUBTYPE, COSName.FORM);
>
> apNDict.setItem(name, onNStream);
>
> COSStream offDStream = new COSStream();
> offDStream.setItem(COSName.BBOX, rect);
> offDStream.setItem(COSName.FORMTYPE, COSInteger.ONE);
> offDStream.setItem(COSName.TYPE, COSName.XOBJECT);
> offDStream.setItem(COSName.SUBTYPE, COSName.FORM);
> apDDict.setItem(COSName.Off, offDStream);
>
> COSStream onDStream = new COSStream();
> onDStream.setItem(COSName.BBOX, rect);
> onDStream.setItem(COSName.FORMTYPE, COSInteger.ONE);
> onDStream.setItem(COSName.TYPE, COSName.XOBJECT);
> onDStream.setItem(COSName.SUBTYPE, COSName.FORM);
>
> apDDict.setItem(name, onDStream);
>
> if ((dflt != null) && dflt.equals("Yes")) {
> //radioButton.setAppearanceState(name);
> } else {
> radioButton.setAppearanceState("Off");
> }
>
> radioButton.setAppearance(appearance);
> radioButton.setAppearanceCharacteristics(fieldAppearance);
>
> appearanceNEntry = new PDAppearanceEntry(apNDict);
> appearanceDEntry = new PDAppearanceEntry(apDDict);
> appearance.setNormalAppearance(appearanceNEntry);
> appearance.setDownAppearance(appearanceDEntry);
>
> if (squareButtons) {
> /* The following controls what appears within a selected square.
> * If applied to round buttons, they become square. */
> // 8 = cross; 4 = checkmark; H = star; u = diamond; n = square, l = dot
> fieldAppearance.setNormalCaption("4");
>
> try {
> apNDict.setItem(COSName.Off, createRadioButtonAppearanceStream(document,
> radioButton, false));
> apNDict.setItem(COSName.YES, createRadioButtonAppearanceStream(document,
> radioButton, true));
> } catch (IOException exc) {
> System.out.println("IOException calling createRadioButtonAppearanceStream: "
> + exc.getMessage());
> }
> }
>
> // Add the annotation to the group.
> groupInfo.addItem(radioButton);
>
> try {
> page.getAnnotations().add(radioButton);
> } catch (IOException exc) {
> System.out.println("IOException adding readioButton to page: " +
> exc.getMessage());
> }
>
> }
>
> private static PDAppearanceStream createRadioButtonAppearanceStream (final
> PDDocument document,
> PDAnnotationWidget widget, boolean on) throws IOException {
> PDRectangle rect = widget.getRectangle();
> PDAppearanceCharacteristicsDictionary appearanceCharacteristics;
> PDAppearanceStream yesAP = new PDAppearanceStream(document);
> yesAP.setBBox(new PDRectangle(rect.getWidth(), rect.getHeight()));
> yesAP.setResources(new PDResources());
> try (PDAppearanceContentStream yesAPCS = new
> PDAppearanceContentStream(yesAP)) {
> appearanceCharacteristics = widget.getAppearanceCharacteristics();
> PDColor backgroundColor =
> appearanceCharacteristics.getBackground();
> PDColor borderColor = appearanceCharacteristics.getBorderColour();
> float lineWidth = 1.0F;
> yesAPCS.setBorderLine(lineWidth, widget.getBorderStyle(),
> widget.getBorder());
> yesAPCS.setNonStrokingColor(backgroundColor);
> yesAPCS.addRect(0, 0, rect.getWidth(), rect.getHeight());
> yesAPCS.fill();
> if (borderColor != null) {
> yesAPCS.setStrokingColor(borderColor);
> }
> yesAPCS.addRect(lineWidth / 2, lineWidth / 2, rect.getWidth() -
> lineWidth,
> rect.getHeight() - lineWidth);
> yesAPCS.stroke();
> if (!on) {
> return yesAP;
> }
>
> yesAPCS.addRect(lineWidth, lineWidth, rect.getWidth() - lineWidth
> * 2, rect.getHeight() -
> lineWidth * 2);
> yesAPCS.clip();
>
> String normalCaption =
> appearanceCharacteristics.getNormalCaption();
> if (normalCaption == null) {
> normalCaption = "4"; // Adobe behaviour
> }
> if ("8".equals(normalCaption)) {
> // Adobe paints a cross instead of using the Zapf Dingbats
> cross symbol
> yesAPCS.setStrokingColor(0f);
> yesAPCS.moveTo(lineWidth * 2, rect.getHeight() - lineWidth *
> 2);
> yesAPCS.lineTo(rect.getWidth() - lineWidth * 2, lineWidth *
> 2);
> yesAPCS.moveTo(rect.getWidth() - lineWidth * 2,
> rect.getHeight() - lineWidth * 2);
> yesAPCS.lineTo(lineWidth * 2, lineWidth * 2);
> yesAPCS.stroke();
> } else {
> // The caption is not unicode, but the Zapf Dingbats code in
> the PDF
> // Thus convert it back to unicode
> // Assume that only the first character is used.
> String name =
> PDType1Font.ZAPF_DINGBATS.codeToName(normalCaption.codePointAt(0));
> String unicode =
> PDType1Font.ZAPF_DINGBATS.getGlyphList().toUnicode(name);
> Rectangle2D bounds =
> PDType1Font.ZAPF_DINGBATS.getPath(name).getBounds2D();
> float size = (float) Math.min(bounds.getWidth(),
> bounds.getHeight()) / 1000;
> // assume that checkmark has square size
> // the calculations approximate what Adobe is doing, i.e. put
> the glyph in the middle
> float fontSize = (rect.getWidth() - lineWidth * 2) / size *
> 0.6666f;
> float xOffset = (float) (rect.getWidth() -
> (bounds.getWidth()) / 1000 * fontSize) / 2;
> xOffset -= bounds.getX() / 1000 * fontSize;
> float yOffset = (float) (rect.getHeight() -
> (bounds.getHeight()) / 1000 * fontSize) /
> 2;
> yOffset -= bounds.getY() / 1000 * fontSize;
> yesAPCS.setNonStrokingColor(0);
> yesAPCS.beginText();
> yesAPCS.setFont(PDType1Font.ZAPF_DINGBATS, fontSize);
> yesAPCS.newLineAtOffset(xOffset, yOffset);
> yesAPCS.showText(unicode);
> yesAPCS.endText();
> }
> }
> return yesAP;
> }
>
>
>
>
> -----Original Message-----
> From: Tilman Hausherr <thaush...@t-online.de>
> Sent: Thursday, November 7, 2019 12:13 PM
> To: users@pdfbox.apache.org
> Subject: Re: Unable to find documentation on using PDRadioButton.setValue
> with regards to
> PDDocument.saveIncremental (selected appearance not show in PDF viewer)
>
> Am 07.11.2019 um 14:07 schrieb Jason Pyeron:
> > Most of the form is saving and displaying just fine, since we
> > carefully call setNeedToBeUpdated(true) after setting fields.
> >
> >
> >
> > Radio buttons seem to require a bit more. The actual value is there,
> > but the display appearance is blank when going from Off to value, and
> > the old value display is still shown when from going from old value to new
> > value.
> >
> >
> >
> > Where is this properly documented? I have reviewed the examples,
> > pdfbox website, stackoverflow, google, etc.
>
>
> It's not documented, the whole incremental thing is hard to understand even
> for me... I suspect you
> need to add "setNeedToBeUpdated(true)" on the appearance state / dictionary
> too. Do a normal save and
> then look at your PDF with PDFDebugger to see what's in the field / the
> annotation.
> Then do an incrementalSave and look whether something is missing.
>
> It may also be possible that you can profit from the experimental branch from
> PDFBOX-45
> (pdfbox/branches/issue45). See the comments around April 2019.
>
> Tilman
>
>
>
> >
> >
> >
> > v/r,
> >
> >
> >
> > Jason
> >
> >
>
>
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