[Bug 251016] New: setting font to "Bitstream Vera Sans Mono" in kompare: "load glyph failed err=6 face=0x9745e0, glyph=320" "QFontEngine: Glyph neither outline nor bitmap format=0"

[esigra at gmail.com]

https://bugs.kde.org/show_bug.cgi?id=251016

           Summary: setting font to "Bitstream Vera Sans Mono" in kompare:
                    "load glyph failed err=6 face=0x9745e0, glyph=320"
                    "QFontEngine: Glyph neither outline nor bitmap
                    format=0"
           Product: kompare
           Version: 4.0.0
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: viewpart
        AssignedTo: kompare-devel at kde.org
        ReportedBy: esigra at gmail.com


Version:           4.0.0 (using KDE 4.5.1) 
OS:                Linux

hen font is set to "Bitstream Vera Sans Mono" in Kompare 4.0.0 (KDE 4.5.1, Qt
4.6.3), the following 2 lines appear several times in Konsole (where Kompare
was started):
load glyph failed err=6 face=0x9745e0, glyph=320
QFontEngine: Glyph neither outline nor bitmap format=0

Reproducible: Always

Steps to Reproduce:
1. Start Konsole.
2. Create a directory and cd into it.
3. Create the empty file empty.cc
4. Create the file prov.cc with some content like this:
float calculate_something(float const a, float const b, float const c) {
   return
      calculate_something(1.7, calculate_something(8.9, 19.51, 33.0), a) +
      calculate_something(c, 18.8, calculate_something(7.5, b, a));
}
5. Execute "diff -u empty.cc prov.cc|kompare -".
6. Open the settings dialog and set the font to "Bitstream Vera Sans Mono".
7. Confirm the change and close the settings dialog.
8. Make Kompare redraw the main view (if it did not already).

Actual Results:  
The 2 lines are printed to the terminal (repeated). Altering the file prov.cc
indicates that the lines are printed once for every line in prov.cc that has at
least 2 characters (not counting the newline). It does not seem to matter which
characters (space, letter, number, symbol).

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