Thank you Maruan! That solution works perfectly.
At last my users will be able to enjoy illegibly tiny 4 pt text in autosized fields (which, sadly, they believe that they want). On Thu, Mar 30, 2017 at 10:38 AM, Maruan Sahyoun <[email protected]> wrote: > Hi, > > > Am 30.03.2017 um 15:54 schrieb Evan Williams <[email protected]>: > > > > I would like to change default font of every field in an existing PDF > > form.This suggests to me that I should change the default appearance of > the > > acroform and, so be on the safe side (since I am not the author of these > > forms), change the default appearance of each PDTextField (I don't care > > about choice fields &c.) > > > > All of the examples that I have been able to find of changing field > > appearances are PDFBox 1.8 examples that get the COS Dictionary, mess > > around with it and reset the field dictionary AND THEN CREATE A NEW > > INSTANCE OF THE FIELD (e.g. java - How to set the text of a PDTextbox to > a > > color? - Stack Overflow > > <http://stackoverflow.com/questions/22073137/how-to-set- > the-text-of-a-pdtextbox-to-a-color/22082301#22082301>), > > which presents me with practical and aesthetic problems. The explanation > > given for this is 'The field variable has to be renewed in between > because > > `PDVariableText` stores the default appearance in a hidden member during > > initialization'. I would really like to avoid doing this if I don't have > to. > > > > I would think that, in 2.0, I could get away with something like: > > > > > > * field.setDefaultAppearance("/Helv 0 Tf 0 g");* > > you can get away with that IF there is also a font entry with the name > /Helv in the AcroForm Default Resources. > > So a more complete solution looks something like this: > > > // load the new font which shall be used for the form fields > // we use a TT font here but could also use other types of fonts > // if unicode support is needed stay with the sample font type > PDType0Font font = PDType0Font.load(doc, …); > > PDAcroForm form = doc.getDocumentCatalog().getAcroForm(); > PDResources resources = form.getDefaultResources(); > String fontName = resources.add(font).getName(); > String defaultAppearanceString = "/" + fontName + " 12 Tf 0 g"; > form.setDefaultResources(resources); > PDTextField field = (PDTextField) form.getField(...); > field.setDefaultAppearance(da); > > > Hope there are no typos. > > BR > Maruan > > > > > > > Can I get away with just that? Or do I need to create a new field > instance? > > -- > > *Evan Williams* > > Sr. Software Engineer > > [email protected] > > > > *www.ZappRx.com <http://www.zapprx.com/>* > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- *Evan Williams* Sr. Software Engineer [email protected] *www.ZappRx.com <http://www.zapprx.com/>*
