Hello,
I have found the reason (maybe).
Using the code map to characters name here:
Map<String, Integer> m = e.getNameToCodeMap();
for (int i = 0; i < mechars.length; i++) {
char c = mechars[i];
String name = e.getNameFromCharacter(c);
int code = e.getCode(name);
codesstring.appendCodePoint(
code);
}
Makes the method "getFontWidth(int charCode)" mapping to width of another
character.
What is the best method to correct this? map the widths with encoded codes,
or changing method the getFontWidth(char charCode) using the correct char,
not the code?
Thanks,
Kevin
2012/4/10 Kévin Sailly <[email protected]>
> Hello,
>
> I have got some problems to render the word "Cœur" (that means "heart" in
> French) because of the "œ" character, the glyph width is not the good value.
>
> I am using FreeSerif truetype font downloadable from here :
> http://packages.debian.org/squeeze/all/ttf-freefont
> Generated PDFs can be accesed here:
> http://www.4shared.com/office/mOkLEPGd/out2.html
> http://www.4shared.com/office/kngqxy7X/out1.html
>
> I am using version 1.6 of PDFBOX
>
>
> First I try :
> String message = "Cœur";
> PDDocument doc = null;
> try
> {
> doc = new PDDocument();
> PDPage page = new PDPage();
> doc.addPage(page);
> PDTrueTypeFont font = PDTrueTypeFont.loadTTF(doc,
> "/usr/share/fonts/truetype/
> freefont/FreeSerif.ttf");
>
> Encoding e = EncodingManager.INSTANCE.getEncoding(
> COSName.WIN_ANSI_ENCODING);
> PDPageContentStream contentStream = new
> PDPageContentStream(doc,
> page);
> contentStream.beginText();
> contentStream.setFont(font, 24);
> contentStream.moveTextPositionByAmount(100, 700);
> contentStream.drawString(message);
> contentStream.endText();
> contentStream.close();
> doc.save("out1.pdf");
> } catch (IOException e) {
> e.printStackTrace();
> } catch (COSVisitorException e) {
> e.printStackTrace();
> }
> finally
> {
> if (doc != null)
> {
> try {
> doc.close();
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
> }
>
> But the result out1.pdf facin the bug PDFBOX-1242 (
> https://issues.apache.org/jira/browse/PDFBOX-1242)
>
> So I am using code points to render the pdf:
>
> String message = "Cœur";
> PDDocument doc = null;
> try
> {
> doc = new PDDocument();
> PDPage page = new PDPage();
> doc.addPage(page);
> PDTrueTypeFont font = PDTrueTypeFont.loadTTF(doc,
> "/usr/share/fonts/truetype/freefont/FreeSerif.ttf");
>
> Encoding e = EncodingManager.INSTANCE.getEncoding(
> COSName.WIN_ANSI_ENCODING);
> PDPageContentStream contentStream = new
> PDPageContentStream(doc,
> page);
> contentStream.beginText();
> contentStream.setFont(font, 24);
> contentStream.moveTextPositionByAmount(100, 700);
> char[] mechars = message.toCharArray();
> StringBuilder codesstring = new StringBuilder();
> Map<String, Integer> m = e.getNameToCodeMap();
> for (int i = 0; i < mechars.length; i++) {
> char c = mechars[i];
> String name = e.getNameFromCharacter(c);
> int code = e.getCode(name);
> codesstring.appendCodePoint(code);
> }
> contentStream.drawString(codesstring.toString());
> contentStream.endText();
> contentStream.close();
> doc.save("out2.pdf");
> } catch (IOException e) {
> e.printStackTrace();
> } catch (COSVisitorException e) {
> e.printStackTrace();
> }
> finally
> {
> if (doc != null)
> {
> try {
> doc.close();
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
> }
>
> The glyph "œ" is correct now but the next letter partially recovert it
> (see out2.pdf).
>
> The character "EM DASH" have the same problem.
>
> I looked at the PDTrueTypeFont class and the width looks correctly parsed
> by PDFBOX:
>
> 339 : œ : 709 : 709.0
>
> (inserting this in the class:
> for( int i=0; i<widthValues.length ; i++ )
> {
> if(glyphToCCode[i]-firstChar < widths.size() &&
> glyphToCCode[i]-firstChar >= 0
> && widths.get( glyphToCCode[i]-firstChar) == zero )
> {
> System.out.println(glyphToCCode[i] + " : " +(new
> StringBuilder()).appendCodePoint(glyphToCCode[i]) + " : " + widthValues[i]
> + " : " + widthValues[i]*scaling);
> widths.set( glyphToCCode[i]-firstChar,
> widthValues[i]*scaling );
> }
> }
> )
>
> I also notice that the width used to render the glyph is the "zero" value :
> float zero = 250;
> defined in the method loadDescriptorDictionary of class PDTrueTypeFont.
>
> I have no more clue to investigate as the glyph have is width correctly
> defined, so help will be greatly appreciated!
>
> Regards,
> Kévin
>
>
