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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2019/07/10 17:22:00 UTC
[jira] [Created] (PDFBOX-4594) Multiline field text poorly
vertically aligned and has wrong size
Tilman Hausherr created PDFBOX-4594:
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Summary: Multiline field text poorly vertically aligned and has wrong size
Key: PDFBOX-4594
URL: https://issues.apache.org/jira/browse/PDFBOX-4594
Project: PDFBox
Issue Type: Bug
Components: AcroForm
Affects Versions: 2.0.16
Reporter: Tilman Hausherr
Attachments: SimpleMultilineForm-ADOBE.pdf, SimpleMultilineForm.pdf
The code to set the size of multiline sets it to 12. However Adobe does this differently. Attached: file generated by the code below, and file after adding a "d" in the field with Adobe Reader.
The code to generate the file:
{code:java}
try (PDDocument document = new PDDocument())
{
PDPage page = new PDPage(PDRectangle.A4);
document.addPage(page);
// Adobe Acrobat uses Helvetica as a default font and
// stores that under the name '/Helv' in the resources dictionary
PDFont font = PDType1Font.HELVETICA;
PDResources resources = new PDResources();
resources.put(COSName.getPDFName("Helv"), font);
// Add a new AcroForm and add that to the document
PDAcroForm acroForm = new PDAcroForm(document);
document.getDocumentCatalog().setAcroForm(acroForm);
// Add and set the resources and default appearance at the form level
acroForm.setDefaultResources(resources);
// Acrobat sets the font size on the form level to be
// auto sized as default. This is done by setting the font size to '0'
String defaultAppearanceString = "/Helv 0 Tf 0 g";
acroForm.setDefaultAppearance(defaultAppearanceString);
// Add a form field to the form.
PDTextField textBox = new PDTextField(acroForm);
textBox.setPartialName("SampleField");
// Acrobat sets the font size to 12 as default
// This is done by setting the font size to '12' on the
// field level.
// The text color is set to blue in this example.
// To use black, replace "0 0 1 rg" with "0 0 0 rg" or "0 g".
defaultAppearanceString = "/Helv 0 Tf 0 0 1 rg";
textBox.setDefaultAppearance(defaultAppearanceString);
textBox.setMultiline(true);
// add the field to the acroform
acroForm.getFields().add(textBox);
// Specify the widget annotation associated with the field
PDAnnotationWidget widget = textBox.getWidgets().get(0);
PDRectangle rect = new PDRectangle(50, 750, 200, 15);
widget.setRectangle(rect);
widget.setPage(page);
// set green border and yellow background
// if you prefer defaults, just delete this code block
PDAppearanceCharacteristicsDictionary fieldAppearance
= new PDAppearanceCharacteristicsDictionary(new COSDictionary());
fieldAppearance.setBorderColour(new PDColor(new float[]{0,1,0}, PDDeviceRGB.INSTANCE));
fieldAppearance.setBackground(new PDColor(new float[]{1,1,0}, PDDeviceRGB.INSTANCE));
widget.setAppearanceCharacteristics(fieldAppearance);
// make sure the widget annotation is visible on screen and paper
widget.setPrinted(true);
// Add the widget annotation to the page
page.getAnnotations().add(widget);
// set the field value
textBox.setValue("Sample field");
document.save("target/SimpleMultilineForm.pdf");
}{code}
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