Hi,
> Am 22.01.2016 um 02:29 schrieb Adam Steen <[email protected]>:
>
> HI Tilman
>
> Thanks for your help, regarding "pdAcroForm.setNeedAppearances(true);", will
> pdfbox have a default appearance in the future, so need appearances will not
> be needed?
we will start working on that after 2.0 is out as we will also need that for
PDF 2.0 support which mandates that the appearance stream is generated.
BR
Maruan
>
> I have a working solution to set default values and have acrobat render them.
> It was pure fluke that I got this result, but wanted to post it so other will
> know and to close out the solution.
>
> Code:
> package pdfboxtesting;
>
> import java.io.FileInputStream;
> import java.io.FileOutputStream;
> import java.io.IOException;
> import java.io.OutputStream;
> import java.util.ArrayList;
> import java.util.Arrays;
> import java.util.List;
> import org.apache.pdfbox.cos.COSDictionary;
> import org.apache.pdfbox.cos.COSName;
> import org.apache.pdfbox.cos.COSStream;
> import org.apache.pdfbox.pdmodel.PDDocument;
> import org.apache.pdfbox.pdmodel.PDPage;
> import org.apache.pdfbox.pdmodel.PDPageContentStream;
> import org.apache.pdfbox.pdmodel.PDResources;
> import org.apache.pdfbox.pdmodel.common.PDRectangle;
> import org.apache.pdfbox.pdmodel.font.PDFont;
> import org.apache.pdfbox.pdmodel.font.PDTrueTypeFont;
> import org.apache.pdfbox.pdmodel.font.encoding.StandardEncoding;
> import org.apache.pdfbox.pdmodel.graphics.color.PDColor;
> import org.apache.pdfbox.pdmodel.graphics.color.PDDeviceRGB;
> import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
> import
> org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceCharacteristicsDictionary;
> import
> org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceDictionary;
> import org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceEntry;
> import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
> import org.apache.pdfbox.pdmodel.interactive.form.PDRadioButton;
>
> public class RadioButtonTest
> {
> private RadioButtonTest() {
> }
>
> public static void main(String[] args) throws IOException
> {
> String fileName = "output/Test.pdf";
> String selectedValue = "a";
> String name = "Radio";
>
> PDDocument document = new PDDocument();
> PDPage page = new PDPage(PDRectangle.A4);
> document.addPage(page);
>
> PDAcroForm acroForm = new PDAcroForm(document);
> acroForm.setNeedAppearances(true);
> document.getDocumentCatalog().setAcroForm(acroForm);
>
> PDFont font = PDTrueTypeFont.load(document, new
> FileInputStream("C:/Windows/Fonts/arial.ttf"), StandardEncoding.INSTANCE);
>
> PDResources res = new PDResources();
> COSName fontName = res.add(font);
> acroForm.setDefaultResources(res);
> acroForm.setDefaultAppearance('/' + fontName.getName() + " 0 Tf 0 g");
>
> PDPageContentStream contents = new PDPageContentStream(document, page);
>
> List<String> options = Arrays.asList("a", "b", "c");
> PDRadioButton radioButton = new PDRadioButton(acroForm);
> radioButton.setPartialName("RadioButton");
> List<PDAnnotationWidget> widgets = new ArrayList<>();
> for (int i = 0; i < options.size(); i++)
> {
> PDRadioButton subRadioButton = new PDRadioButton(acroForm);
> subRadioButton.setPartialName(name);
>
> PDAnnotationWidget widget = subRadioButton.getWidgets().get(0);
>
> PDAppearanceCharacteristicsDictionary fieldAppearance = new
> PDAppearanceCharacteristicsDictionary(new COSDictionary());
> fieldAppearance.setBorderColour(new PDColor(new float[]{0, 0, 0},
> PDDeviceRGB.INSTANCE));
>
> widget.setRectangle(new PDRectangle(30, 800 - i * (21), 16, 16));
> widget.setAppearanceCharacteristics(fieldAppearance);
> widget.setPage(page);
> widget.getCOSObject().setItem(COSName.PARENT, radioButton);
> widget.setAnnotationFlags(4);
>
> widget.setAppearanceState(options.get(i).equals(selectedValue) ?
> selectedValue : "Off");
> widget.setHighlightingMode("N");
>
> PDAppearanceDictionary ap = new PDAppearanceDictionary();
>
> COSDictionary aeDict = new COSDictionary();
>
> COSStream off = new COSStream();
> off.setItem(COSName.BBOX, new PDRectangle(0, 0, 16, 16));
> off.setItem(COSName.RESOURCES, res);
> OutputStream osOff = off.createOutputStream();
> osOff.write(("q 0 g /" + fontName.getName() + " 16 Tf BT (O) Tj ET
> Q").getBytes());
> osOff.write(("").getBytes());
> osOff.close();
> aeDict.setItem("Off", off);
>
> COSStream on = new COSStream();
> on.setItem(COSName.BBOX, new PDRectangle(0, 0, 16, 16));
> on.setItem(COSName.RESOURCES, res);
> OutputStream osOn = on.createOutputStream();
> osOn.write(("q 0 g BT /" + fontName.getName() + " 16 Tf (X) Tj ET
> Q").getBytes());
> osOn.write(("").getBytes());
> osOn.close();
> aeDict.setItem(options.get(i), on);
>
> PDAppearanceEntry ae = new PDAppearanceEntry(aeDict);
> ap.setNormalAppearance(ae);
> widget.setAppearance(ap);
>
> widgets.add(widget);
> page.getAnnotations().add(widget);
> }
> radioButton.setWidgets(widgets);
> System.out.println(radioButton.getOnValues());
> radioButton.setValue(selectedValue);
> acroForm.getFields().add(radioButton);
>
> System.out.println(radioButton.getValue());
>
> //acroForm.refreshAppearances(); // not implemented
> contents.close();
> document.save(new FileOutputStream(fileName));
>
> document.close();
> }
> }
>
> Adam
>
> -----Original Message-----
> From: Tilman Hausherr [mailto:[email protected]]
> Sent: Thursday, 21 January 2016 4:55 PM
> To: [email protected]
> Subject: Re: How do you create a Radio Button Group with PDFBox 2.0?
>
> Am 21.01.2016 um 09:41 schrieb Adam Steen:
>> I am now able to create a radio button group with
>> "pdAcroForm.setNeedAppearances(true);", acrobat rendering things nicely for
>> me.
>>
>> I am also able to create a group of checkboxes with default values also with
>> "pdAcroForm.setNeedAppearances(true);", again acrobat rendering things
>> nicely for me.
>>
>> My last hurdle is to create a radio button group with
>> "pdAcroForm.setNeedAppearances(true);" and have a default value (or value)
>> be displayed.
>>
>> Using your code provided earlier Tilman, I was able to set a value or a
>> default value, but acrobat just does not want to render it.
>>
>> Is " pdAcroForm.setNeedAppearances(true);" a hack? Should I be rendering
>> everything myself?
>
> Yes, it is a bit of a hack. Good applications should create their own
> appearance streams. In PDF 2.0 it will be mandatory.
>
>>
>> Adam
>>
>> -----Original Message-----
>> From: Tilman Hausherr [mailto:[email protected]]
>> Sent: Thursday, 21 January 2016 4:29 PM
>> To: [email protected]
>> Subject: Re: How do you create a Radio Button Group with PDFBox 2.0?
>>
>> Am 21.01.2016 um 06:51 schrieb Adam Steen:
>>> It seems without building an appearance I am unable to set a default value?
>> Indeed. I've been there too and looked through the code.
>>
>> Tilman
>>
>>> Does anyone have any ideas?
>>>
>>> Adam
>>>
>>>
>>> -----Original Message-----
>>> From: Adam Steen [mailto:[email protected]]
>>> Sent: Thursday, 21 January 2016 8:26 AM
>>> To: [email protected]
>>> Subject: RE: How do you create a Radio Button Group with PDFBox 2.0?
>>>
>>> Hi
>>>
>>> I did manage to get a Radio Group functioning, I have posted the code
>>> to my question on stack overflow ->
>>> http://stackoverflow.com/a/34895158/415681
>>>
>>> The next problem will be getting a default value set.
>>>
>>> Adam
>>>
>>> -----Original Message-----
>>> From: Tilman Hausherr [mailto:[email protected]]
>>> Sent: Wednesday, 20 January 2016 5:47 PM
>>> To: [email protected]
>>> Subject: Re: How do you create a Radio Button Group with PDFBox 2.0?
>>>
>>> Here's the code I did yesterday:
>>> http://justpaste.it/CreateRadioButtons
>>>
>>> The problem is that Adobe does things on its own even if the appearance
>>> streams are set. This seems to be related to the appearance characteristics
>>> (/MK). I haven't been able to teach it to "do nothing", or "do it all" when
>>> I do nothing (having empty streams).
>>>
>>> Tilman
>>>
>>>
>>>
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>>
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