[jira] [Commented] (PDFBOX-2649) Character widths incorrect in a loaded font

["Alex Nevidomsky (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14299878#comment-14299878 ] 

Alex Nevidomsky commented on PDFBOX-2649:
-----------------------------------------

In addition to this, the codeToGID() function seems to return identity map, which is incorrect.

> Character widths incorrect in a loaded font
> -------------------------------------------
>
>                 Key: PDFBOX-2649
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2649
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.0
>            Reporter: Alex Nevidomsky
>
> {code}
> @Test
> testRelativeWidth() {
> PDFont font = PDType0Font.load(document, this.getClass().getResourceAsStream("/LiberationSans-Regular.ttf"));
> float wO = font.getStringWidth("O");
> float wP = font.getStringWidth("P");
> float wN = font.getStringWidth("N");
> Assert.assertTrue("O must be wider than P", wO>wP);
> Assert.assertTrue("O must be wider than N", wO>wN);
> }
> {code}
> I can see that there is a confusion in the process between GID and CID values. The reason may not be entirely clear to me, but PDCIDFontType2Embedder.buildWidths(COSDictionary cidFont) seems to name "cid" something that in my opinion is still a glyph id. And when it comes to PDCIDFont.getWidth(int), the "widths" map that should presumably contain cid->width values in reality contains git->width.



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