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Issue #1850. Warning are given for many error cases.

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svn: r10289
This commit is contained in:
Peter Landgren 2008-03-13 16:17:11 +00:00
parent 4072288ea6
commit f7d311f184
1 changed files with 56 additions and 5 deletions
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61
src/ReportBase/_GraphvizReportDialog.py
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@ -51,6 +51,7 @@ from _Constants import CATEGORY_GRAPHVIZ
from _ReportDialog import ReportDialog
from _PaperMenu import PaperFrame
from PluginUtils import NumberOption, EnumeratedListOption, TextOption
from QuestionDialog import WarningDialog
#-------------------------------------------------------------------------------
#
@ -155,7 +156,7 @@ class GVDocBase(BaseDoc.BaseDoc,BaseDoc.GVDoc):
sizew = sizew * self.hpages
sizeh = sizeh * self.vpages
self.write( 'digraph GRAMPS_graph\n' )
self.write( '{\n' )
self.write( ' bgcolor=white;\n' )
@ -790,6 +791,8 @@ class GraphvizReportDialog(ReportDialog):
self.options.add_menu_option(category, "ratio", aspect_ratio)
dpi = NumberOption(_("DPI"), 75, 20, 1200)
# Remember dpi until later margins check
self.dpi = dpi
dpi.set_help(_( "Dots per inch. When creating images such as "
".gif or .png files for the web, try numbers "
"such as 75 or 100 DPI. When printing, try"
@ -939,10 +942,6 @@ class GraphvizReportDialog(ReportDialog):
the output file name before doing anything else. If there is
a file name, gather the options and create the report."""
# Is there a filename? This should also test file permissions, etc.
if not self.parse_target_frame():
self.window.run()
# Preparation
self.parse_format_frame()
self.parse_user_options()
@ -952,6 +951,58 @@ class GraphvizReportDialog(ReportDialog):
self.options.handler.set_orientation(self.paper_frame.get_orientation())
self.options.handler.set_margins(self.paper_frame.get_paper_margins())
self.options.handler.set_custom_paper_size(self.paper_frame.get_custom_paper_size())
#=====================================================================
# First check for small margins
# Warn if margins less than 0.5", which can generate wrong ouput:
# pdf via Graphviz generates pdf errors
# pdf via Ghostscrip generetes 4 pages is stead of one,
# which are without errors, but only one was wanted.
# If all margins are >1.0" then graphs are OK, but some graphs are
# offset a lot
# Note margins are always in cm.
warn_text1 = ""
if self.paper_frame.get_paper_metric():
warn_marg = "1.3 cm."
else:
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
pm_t = self.paper_frame.get_paper_margins()[2] / 2.54
pm_b = self.paper_frame.get_paper_margins()[3] / 2.54
if (self.h_pages.get_value() > 1) or (self.h_pages.get_value() > 1) and \
(self.format_menu.get_clname() == 'gvpdf'):
warn_text1 = _("You have used more than one page as output.")
warn_text2 = _("This will cause incorrect and/or partial graphs.")
warn_marg = ""
if ((pm_l < 0.5 and pm_r < 0.5) or (pm_t < 0.5 and pm_b < 0.5)) and \
(self.format_menu.get_clname() == 'gvpdf'):
warn_text1 = _("Two or more opposite paper margins are less than ")
warn_text2 = _("This will cause incorrect and/or partial graphs.")
if ((pm_l < 0.5 and pm_r < 0.5) or (pm_t < 0.5 and pm_b < 0.5)) and \
(self.format_menu.get_clname() == 'gspdf') or (self.format_menu.get_clname() == 'ps'):
warn_text1 = _("Two or more opposite paper margins are less than ")
warn_text2 = _("More than expected number of pages will be generated.")
if warn_text1:
WarningDialog(warn_text1 + warn_marg, warn_text2)
warn_text1 = ""
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.")
warn_marg = ""
if warn_text1:
WarningDialog(warn_text1 + warn_marg, warn_text2)
#======================================================================
# Is there a filename? This should also test file permissions, etc.
if not self.parse_target_frame():
self.window.run()
# Create the output document.
self.make_document()