[Pspp-commits] [SCM] GNU PSPP branch, output, updated. v0.6.1-706-ga2a92dd

[Ben Pfaff]

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- Log -----------------------------------------------------------------
commit a2a92dd38cf37e50ccfd56bedd4da21bc56dfe0f
Author: Ben Pfaff <address@hidden>
Date:   Thu Jul 2 16:59:08 2009 -0700

    output: Refactor implementation of charts.
    
    This commit addresses a weakness of the charts implementation in PSPP, in
    that charts can only be sent to a single output device.  This is because
    the chart code calls into a single output driver to obtain a libplot
    plotting context and then passes that back into the calling code, which
    draws on it and passes it back to the output driver.  This commit refactors
    the code so that, instead, a chart is an ADT that is reponsible for knowing
    how to draw itself on a plotting device.  Then the function for outputting
    a chart applies this function to each output device.
    
    This is more complicated than necessary: we could just loop over the set of
    output devices and draw a chart on each one in turn.  But this level of
    complication is being introduced now so that later we can keep around
    charts in memory as long as necessary for the GUI output engine to export
    them on user demand.
    
    This commit introduces a couple of regressions:
    
        * libplot is now required, not optional.
    
        * Box-whisker plots are disabled.
    
    This regressions will be fixed by later commits.

-----------------------------------------------------------------------

Summary of changes:
 src/language/stats/examine.q     |  196 ++++++++++++++++++++++++----------
 src/language/stats/frequencies.q |   13 +--
 src/output/ascii.c               |   47 +++-----
 src/output/cairo.c               |   37 +------
 src/output/chart-provider.h      |   74 +++++++++++++
 src/output/chart.c               |  203 ++++++++++++++++++++----------------
 src/output/chart.h               |   82 ++-------------
 src/output/charts/automake.mk    |    4 -
 src/output/charts/cartesian.c    |   62 ++++-------
 src/output/charts/cartesian.h    |   14 ++-
 src/output/charts/piechart.c     |  188 ++++++++++++++++++++-------------
 src/output/charts/piechart.h     |    5 +-
 src/output/charts/plot-chart.c   |  190 ++++++++++++++-------------------
 src/output/charts/plot-chart.h   |   23 +++--
 src/output/charts/plot-hist.c    |  217 ++++++++++++++++++++++----------------
 src/output/charts/plot-hist.h    |   27 +++---
 src/output/html.c                |   52 +++++----
 src/output/manager.c             |    2 +-
 src/output/manager.h             |    3 +-
 src/output/output.h              |    4 +-
 src/output/postscript.c          |  160 ++++++++++++++--------------
 21 files changed, 857 insertions(+), 746 deletions(-)
 create mode 100644 src/output/chart-provider.h


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