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graphics - How to speed up TextJustification in Mathematica 10


Based on this question: - Version 7 print environment - I set up two 10 page test documents in version 7.0.1 and version 10.1. The version 7 document exported to PDF in 4.18 seconds whereas the version 10 export took 424.6 seconds.


Can I speed up export from version 10?


These are the test exports.


For Version 7


time = DateList[];
SetOptions[$FrontEndSession,

  PrintingOptions -> {"PrintingMargins" -> {{45, 43}, {17, 31}},
    "FirstPageHeader" -> False, "FirstPageFooter" -> False,
    "RestPagesHeader" -> False, "RestPagesFooter" -> False,
    "Magnification" -> 1}];
text = StringReplace[StringTake[
    ExampleData[{"Text", "Prufrock"}], 4221],
   FromCharacterCode[{195, 162, 128, 194, 153}] -> "'"];
square = Graphics[{Orange, Rectangle[{0, 0}, {70, 70}]},
   PlotRange -> {{0, 70}, {0, 70}}];
column = Table[Inset[square, {415, 100 i}, {Left, Bottom},

    {70, 70}], {i, 0, 9}];
page = Graphics[{White, Rectangle[{0, 0}, {500, 973}], Black,
    Inset[TextCell[text, LineSpacing -> {0, 16},
      TextJustification -> 1], {0, 973}, {Left, Top}, {400, 973}],
    column}, PlotRange -> {{0, 500}, {0, 973}}, ImageSize -> 500, 
   BaseStyle -> {FontFamily -> "Times", FontWeight -> "Plain", FontSize -> 14}];
nb = CreateDocument[ConstantArray[ExpressionCell[page, "Print"], 10],
   WindowSize -> 800];
filename = StringJoin["v", ToString[Round@$VersionNumber], ".pdf"];
Quiet@DeleteFile[filename];

Export[filename, nb];
NotebookClose[nb];
DateDifference[time, DateList[], "Second"]


{4.18004, Second}



For Version 10


time = DateList[];
SetOptions[$FrontEndSession,

  PrintingOptions -> {"PrintingMargins" -> {{11, 43}, {15, 31}},
    "FirstPageHeader" -> False, "FirstPageFooter" -> False,
    "RestPagesHeader" -> False, "RestPagesFooter" -> False,
    "Magnification" -> 1}];
text = StringReplace[StringTake[
    ExampleData[{"Text", "Prufrock"}], 4221],
   FromCharacterCode[{195, 162, 128, 194, 153}] -> "'"];
square = Graphics[{Orange, Rectangle[{0, 0}, {70, 70}]},
   PlotRange -> {{0, 70}, {0, 70}}];
column = Table[Inset[square, {415, 100 i}, {Left, Bottom},

    {70, 70}], {i, 0, 9}];
page = Graphics[{White, Rectangle[{0, 0}, {500, 973}], Black,
    Inset[TextCell[text, LineSpacing -> {0, 17},
      TextJustification -> 1], {0, 973}, {Left, Top}, {400, 973}],
    column}, PlotRange -> {{0, 500}, {0, 973}}, ImageSize -> 555,
   BaseStyle -> {FontFamily -> "Times", FontWeight -> "Plain", FontSize -> 15.5}];
nb = CreateDocument[ConstantArray[ExpressionCell[page, "Print"], 10],
   WindowSize -> 800];
filename = StringJoin["v", ToString[Round@$VersionNumber], ".pdf"];
Quiet@DeleteFile[filename];

Export[filename, nb];
NotebookClose[nb];
DateDifference[time, DateList[], "Second"]


424.599 s





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