[Poppler-bugs] [Bug 20534] New: Type3 fonts are always anti-aliased

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Mar 8 03:08:06 PDT 2009


http://bugs.freedesktop.org/show_bug.cgi?id=20534

           Summary: Type3 fonts are always anti-aliased
           Product: poppler
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: splash backend
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: ubanus at users.sf.net


Created an attachment (id=23651)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=23651)
An example document with Type3 fonts

(Tested with poppler 0.8.7 and 0.10.4.)

Splash backend anti-aliases Type3 fonts even if explicitly asked not to do so:

$ pdftoppm -aa no type3.pdf | ppmhist
   r     g     b         lum     count
 ----- ----- -----      -----   -------
   255   255   255        255     24481
     0     0     0          0       768
    64    64    64         64       550
   191   191   191        191       104
   127   127   127        127        90
   239   239   239        239        80
    16    16    16         16        74
    48    48    48         48        48
   159   159   159        159        44
    96    96    96         96        43
   207   207   207        207        42
   175   175   175        175        41
    32    32    32         32        32
    80    80    80         80        31
   223   223   223        223        31
   112   112   112        112        30
    51    51    51         51        24
   143   143   143        143        21
   106   106   106        106         4
   102   102   102        102         4
    76    76    76         76         4
   115   115   115        115         3
    89    89    89         89         3
   212   212   212        212         3
   178   178   178        178         3
   229   229   229        229         3
   234   234   234        234         2
   204   204   204        204         2
    25    25    25         25         2
    13    13    13         13         2
   217   217   217        217         2
   153   153   153        153         1
    85    85    85         85         1
   242   242   242        242         1
    17    17    17         17         1
   170   170   170        170         1
   166   166   166        166         1
   140   140   140        140         1
    42    42    42         42         1
    38    38    38         38         1


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