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Better handling of Ghostscript output.

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svn: r10322
This commit is contained in:
Peter Landgren 2008-03-15 17:16:08 +00:00
parent 96bc205af0
commit 1c38e95944
1 changed files with 7 additions and 9 deletions
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16
src/ReportBase/_GraphvizReportDialog.py
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@ -547,10 +547,12 @@ class GVPdfGsDoc(GVDocBase):
command = 'dot -Tps -o"%s" "%s"' % ( tmp_ps, tmp_dot )
os.system(command)
# Add .5 to remove rounding errors.
# dot creates ps with a ceratin dpi; the paper size, in points, has to be
# adjusted according to what the user has defined. The paper will be large,
# but pdf-printers adjust to actual printer paper size.
paper_size = self.paper.get_size()
width_pt = int( (paper_size.get_width_inches() * 72) + 0.5 )
height_pt = int( (paper_size.get_height_inches() * 72) + 0.5 )
width_pt = int( (paper_size.get_width_inches() * self.dpi))
height_pt = int( (paper_size.get_height_inches() * self.dpi))
# Convert to PDF using ghostscript
command = '%s -q -sDEVICE=pdfwrite -dNOPAUSE -dDEVICEWIDTHPOINTS=%d' \
@ -961,9 +963,9 @@ class GraphvizReportDialog(ReportDialog):
# offset a lot
# Note margins are always in cm.
if self.paper_frame.get_paper_metric():
warn_marg = "1.3 cm."
warn_marg = "1.3 " + _("cm") + "."
else:
warn_marg = "0.5 in."
warn_marg = "0.5 " + _("in") + "."
pm_l = self.paper_frame.get_paper_margins()[0] / 2.54
pm_r = self.paper_frame.get_paper_margins()[1] / 2.54
@ -992,10 +994,6 @@ class GraphvizReportDialog(ReportDialog):
warn_text2 = _("This can cause incorrect and/or partial graphs.")
WarningDialog(warn_text1, warn_text2)
if (self.format_menu.get_clname() == 'gspdf') and (self.dpi.get_value() != 75 ):
warn_text1 = _("You have not used 75 dpi for Ghostscript.")
warn_text2 = _("Using other dpi's will cause incorrect graphs.")
WarningDialog(warn_text1, warn_text2)
#======================================================================
# Is there a filename? This should also test file permissions, etc.