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6883: non-Western fonts broken in PS reports

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Replace PSDrawDoc with an almost identical twin of PdfDoc.
runtest.sh now aware that the new backend produces text reports.

svn: r22803
This commit is contained in:
Vassilii Khachaturov
2013-08-06 17:09:56 +00:00
parent 91a9126876
commit 2acb205ed0
4 changed files with 246 additions and 341 deletions
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568
src/plugins/docgen/PSDrawDoc.py
View File

@@ -1,10 +1,9 @@
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006 Donald N. Allingham
# Copyright (C) 2007-2009 Brian G. Matherly
# Copyright (C) 2010 Jakim Friant
# Copyright (C) 2011 Adam Stein <adam@csh.rit.edu>
# Copyright (C) 2007 Zsolt Foldvari
# Copyright (C) 2008 Brian G. Matherly
# Copyright (C) 2013 Vassilii Khachaturov
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -23,371 +22,266 @@
# $Id$
"""
PostScript document generator.
"""PS output generator based on Cairo.
"""
#-------------------------------------------------------------------------
#------------------------------------------------------------------------
#
# python modules
# Python modules
#
#-------------------------------------------------------------------------
#------------------------------------------------------------------------
from gen.ggettext import gettext as _
#-------------------------------------------------------------------------
#Gramps modules
#-------------------------------------------------------------------------
from gen.plug.report import utils as ReportUtils
from gen.plug.docgen import BaseDoc, DrawDoc, FONT_SERIF, PAPER_PORTRAIT, SOLID
from gen.plug.utils import gformat
import sys
#------------------------------------------------------------------------
#
# Gramps modules
#
#------------------------------------------------------------------------
import libcairodoc
from gen.plug.docgen import INDEX_TYPE_ALP, INDEX_TYPE_TOC
import Errors
def lrgb(grp):
grp = ReportUtils.rgb_color(grp)
return (gformat(grp[0]), gformat(grp[1]), gformat(grp[2]))
def coords(grp):
return (gformat(grp[0]), gformat(grp[1]))
#------------------------------------------------------------------------
#
# Set up logging
#
#------------------------------------------------------------------------
import logging
LOG = logging.getLogger(".PSDrawDoc")
#-------------------------------------------------------------------------
#
# PSDrawDoc
# GTK modules
#
#-------------------------------------------------------------------------
class PSDrawDoc(BaseDoc, DrawDoc):
import pango
import cairo
import pangocairo
def __init__(self, styles, type):
BaseDoc.__init__(self, styles, type)
self.file = None
self.filename = None
self.level = 0
self.page = 0
#------------------------------------------------------------------------
#
# Constants
#
#------------------------------------------------------------------------
def fontdef(self, para):
font = para.get_font()
if font.get_type_face() == FONT_SERIF:
font_name = "/Times"
if font.get_bold():
font_name += "-Bold"
if font.get_italic():
font_name += "Italic"
elif font.get_italic():
font_name += "-Italic"
else:
font_name += "-Roman"
# resolution
DPI = 72.0
else: # Use a font without serifs
font_name = "/Helvetica"
if font.get_bold():
font_name += "-Bold"
if font.get_italic():
font_name += "Oblique"
elif font.get_italic():
font_name += "-Oblique"
return "%s find-latin-font %d scalefont setfont\n" % \
(font_name, font.get_size())
#------------------------------------------------------------------------
#
# PSDrawDoc class
#
#------------------------------------------------------------------------
class PSDrawDoc(libcairodoc.CairoDoc):
"""Render the document into PS file using Cairo.
"""
EXT = 'ps'
def translate(self, x, y):
return (x, self.paper.get_size().get_height() - y)
def open(self, filename):
def run(self):
"""Create the PS output.
"""
Opens the file so that it can be generated.
@param filename: path name of the file to create
"""
self.filename = filename
if not filename.endswith(".ps"):
self.filename += ".ps"
# get paper dimensions
paper_width = self.paper.get_size().get_width() * DPI / 2.54
paper_height = self.paper.get_size().get_height() * DPI / 2.54
page_width = round(self.paper.get_usable_width() * DPI / 2.54)
page_height = round(self.paper.get_usable_height() * DPI / 2.54)
left_margin = self.paper.get_left_margin() * DPI / 2.54
top_margin = self.paper.get_top_margin() * DPI / 2.54
# create cairo context and pango layout
filename = self._backend.filename.encode(sys.getfilesystemencoding())
try:
self.file = open(self.filename,"w")
surface = cairo.PSSurface(filename, paper_width, paper_height)
except IOError,msg:
errmsg = "%s\n%s" % (_("Could not create %s") % self.filename, msg)
errmsg = "%s\n%s" % (_("Could not create %s") % filename, msg)
raise Errors.ReportError(errmsg)
except:
raise Errors.ReportError(_("Could not create %s") % self.filename)
raise Errors.ReportError(_("Could not create %s") % filename)
surface.set_fallback_resolution(300, 300)
cr = pangocairo.CairoContext(cairo.Context(surface))
fontmap = pangocairo.cairo_font_map_get_default()
saved_resolution = fontmap.get_resolution()
fontmap.set_resolution(DPI)
self.file.write(
'%!PS-Adobe-3.0\n'
'%%LanguageLevel: 2\n'
'%%Pages: (atend)\n'
'%%PageOrder: Ascend\n'
'%%Orientation: '
)
if self.paper.get_orientation() != PAPER_PORTRAIT:
self.file.write('Landscape\n')
else:
self.file.write('Portrait\n')
self.file.write(
'%%EndComments\n'
'/cm { 28.34 mul } def\n'
'% build iso-latin-1 version of a font\n'
'/font-to-iso-latin-1 { % <font> font-to-iso-latin-1 <font>\n'
'%% reencode for iso latin1; from the 2nd edition red book, sec 5.6.1\n'
'dup length dict begin {1 index /FID ne {def} {pop pop} ifelse} forall\n'
'/Encoding ISOLatin1Encoding def currentdict end\n'
'dup /FontName get 80 string cvs (-ISOLatin1) concatstrings cvn \n'
'exch definefont\n'
'} def\n'
'\n'
'/find-latin-font { % <name> find-latin-font <font>\n'
'findfont font-to-iso-latin-1\n'
'} def\n'
)
pango_context = fontmap.create_context()
options = cairo.FontOptions()
options.set_hint_metrics(cairo.HINT_METRICS_OFF)
pangocairo.context_set_font_options(pango_context, options)
layout = pango.Layout(pango_context)
cr.update_context(pango_context)
self.filename = filename
# paginate the document
self.paginate_document(layout, page_width, page_height, DPI, DPI)
body_pages = self._pages
def close(self):
self.file.write(
'%%Trailer\n'
'%%Pages: ' +
'%d\n' % self.page +
'%%EOF\n'
)
self.file.close()
# build the table of contents and alphabetical index
toc_page = None
index_page = None
toc = []
index = {}
for page_nr, page in enumerate(body_pages):
if page.has_toc():
toc_page = page_nr
if page.has_index():
index_page = page_nr
for mark in page.get_marks():
if mark.type == INDEX_TYPE_ALP:
if mark.key in index:
if page_nr + 1 not in index[mark.key]:
index[mark.key].append(page_nr + 1)
else:
index[mark.key] = [page_nr + 1]
elif mark.type == INDEX_TYPE_TOC:
toc.append([mark, page_nr + 1])
# paginate the table of contents
rebuild_required = False
if toc_page is not None:
toc_pages = self.__generate_toc(layout, page_width, page_height,
toc)
offset = len(toc_pages) - 1
if offset > 0:
self.__increment_pages(toc, index, toc_page, offset)
rebuild_required = True
else:
toc_pages = []
def write_text(self, text, mark=None, links=False):
pass
def start_page(self):
self.page += 1
self.file.write(
"%%Page:" +
"%d %d\n" % (self.page, self.page)
)
if self.paper.get_orientation() != PAPER_PORTRAIT:
self.file.write('90 rotate %s cm %s cm translate\n' % (
gformat(0),gformat(-1*self.paper.get_size().get_height())))
def end_page(self):
self.file.write(
'showpage\n'
'%%PageTrailer\n'
)
def encode(self, text):
try:
orig = unicode(text)
new_text = orig.encode('iso-8859-1')
except:
new_text = "?" * len(text)
return new_text
def encode_text(self, p, text):
fdef = self.fontdef(p)
new_text = self.encode(text)
return (new_text, fdef)
def center_text(self, style, text, x, y):
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
pname = stype.get_paragraph_style()
p = style_sheet.get_paragraph_style(pname)
x += self.paper.get_left_margin()
y += self.paper.get_top_margin() + ReportUtils.pt2cm(p.get_font().get_size())
(text, fdef) = self.encode_text(p, text)
self.file.write(
'gsave\n'
'%s %s %s setrgbcolor\n' % lrgb(stype.get_color()) +
fdef +
'(%s) dup stringwidth pop -2 div ' % text +
'%s cm add %s cm moveto ' % coords(self.translate(x, y)) +
'show\n'
'grestore\n'
)
def draw_text(self, style, text, x1, y1):
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
pname = stype.get_paragraph_style()
p = style_sheet.get_paragraph_style(pname)
x1 += self.paper.get_left_margin()
y1 += self.paper.get_top_margin() + ReportUtils.pt2cm(p.get_font().get_size())
(text, fdef) = self.encode_text(p, text)
self.file.write(
'gsave\n'
'%s cm %s cm moveto\n' % coords(self.translate(x1, y1)) +
fdef +
'(%s) show grestore\n' % text
)
def rotate_text(self, style, text, x, y, angle):
x += self.paper.get_left_margin()
y += self.paper.get_top_margin()
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
pname = stype.get_paragraph_style()
p = style_sheet.get_paragraph_style(pname)
font = p.get_font()
size = font.get_size()
(new_text, fdef) = self.encode_text(p, text[0])
coords = self.translate(x, y)
self.file.write(
'gsave\n' +
fdef +
'%s cm %s cm translate\n' % (
gformat(coords[0]), gformat(coords[1])) +
'%s rotate\n' % gformat(-angle) +
'%s %s %s setrgbcolor\n' % lrgb(stype.get_color())
)
y = ((size * len(text)) / 2.0) - size
for line in text:
self.file.write(
'(%s) dup stringwidth pop -2 div '
% self.encode(line) +
"%s moveto show\n" % gformat(y)
)
y -= size
self.file.write('grestore\n')
def draw_path(self, style, path):
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
self.file.write(
'gsave\n'
'newpath\n'
'%s setlinewidth\n' % gformat(stype.get_line_width())
)
if stype.get_line_style() == SOLID:
self.file.write('[] 0 setdash\n')
# paginate the index
if index_page is not None:
index_pages = self.__generate_index(layout, page_width, page_height,
index)
offset = len(index_pages) - 1
if offset > 0:
self.__increment_pages(toc, index, index_page, offset)
rebuild_required = True
else:
dash_style = stype.get_dash_style(stype.get_line_style())
self.file.write('[%s] 0 setdash\n' % (
" ".join(map(str, dash_style)))
)
point = path[0]
x1 = point[0] + self.paper.get_left_margin()
y1 = point[1] + self.paper.get_top_margin()
self.file.write(
'%s cm %s cm moveto\n' % coords(self.translate(x1, y1))
)
for point in path[1:]:
x1 = point[0] + self.paper.get_left_margin()
y1 = point[1] + self.paper.get_top_margin()
self.file.write(
'%s cm %s cm lineto\n' % coords(self.translate(x1, y1))
)
self.file.write('closepath\n')
color = stype.get_fill_color()
self.file.write(
'gsave %s %s %s setrgbcolor fill grestore\n' % lrgb(color) +
'%s %s %s setrgbcolor stroke\n' % lrgb(stype.get_color()) +
'grestore\n'
)
def draw_line(self, style, x1, y1, x2, y2):
x1 += self.paper.get_left_margin()
x2 += self.paper.get_left_margin()
y1 += self.paper.get_top_margin()
y2 += self.paper.get_top_margin()
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
self.file.write(
'gsave newpath\n'
'%s cm %s cm moveto\n' % coords(self.translate(x1, y1)) +
'%s cm %s cm lineto\n' % coords(self.translate(x2, y2)) +
'%s setlinewidth\n' % gformat(stype.get_line_width())
)
if stype.get_line_style() == SOLID:
self.file.write('[] 0 setdash\n')
else:
dash_style = stype.get_dash_style(stype.get_line_style())
self.file.write('[%s] 0 setdash\n' % (
" ".join(map(str, dash_style)))
)
index_pages = []
self.file.write(
'2 setlinecap\n' +
'%s %s %s setrgbcolor stroke\n' % lrgb(stype.get_color()) +
'grestore\n'
)
# rebuild the table of contents and index if required
if rebuild_required:
if toc_page is not None:
toc_pages = self.__generate_toc(layout, page_width, page_height,
toc)
if index_page is not None:
index_pages = self.__generate_index(layout, page_width,
page_height, index)
def draw_box(self, style, text, x, y, w, h):
x += self.paper.get_left_margin()
y += self.paper.get_top_margin()
# render the pages
if toc_page is not None:
body_pages = body_pages[:toc_page] + toc_pages + \
body_pages[toc_page+1:]
if index_page is not None:
body_pages = body_pages[:index_page] + index_pages + \
body_pages[index_page+1:]
self._pages = body_pages
for page_nr in range(len(self._pages)):
cr.save()
cr.translate(left_margin, top_margin)
self.draw_page(page_nr, cr, layout,
page_width, page_height,
DPI, DPI)
cr.show_page()
cr.restore()
# close the surface (file)
surface.finish()
style_sheet = self.get_style_sheet()
box_style = style_sheet.get_draw_style(style)
# Restore the resolution. On windows, Gramps UI fonts will be smaller
# if we don't restore the resolution.
fontmap.set_resolution(saved_resolution)
self.file.write('gsave\n')
def __increment_pages(self, toc, index, start_page, offset):
"""
Increment the page numbers in the table of contents and index.
"""
for n, value in enumerate(toc):
page_nr = toc[n][1]
toc[n][1] = page_nr + (offset if page_nr > start_page else 0)
for key, value in index.iteritems():
index[key] = [page_nr + (offset if page_nr > start_page else 0)
for page_nr in value]
shadsize = box_style.get_shadow_space()
if box_style.get_shadow():
self.file.write(
'newpath\n'
'%s cm %s cm moveto\n'
% coords(self.translate(x+shadsize, y+shadsize)) +
'0 -%s cm rlineto\n' % gformat(h) +
'%s cm 0 rlineto\n' % gformat(w) +
'0 %s cm rlineto\n' % gformat(h) +
'closepath\n'
'.5 setgray\n'
'fill\n'
)
self.file.write(
'newpath\n'
'%s cm %s cm moveto\n' % coords(self.translate(x, y)) +
'0 -%s cm rlineto\n' % gformat(h) +
'%s cm 0 rlineto\n' % gformat(w) +
'0 %s cm rlineto\n' % gformat(h) +
'closepath\n'
)
def __generate_toc(self, layout, page_width, page_height, toc):
"""
Generate the table of contents.
"""
self._doc = libcairodoc.GtkDocDocument()
self._active_element = self._doc
self._pages = []
write_toc(toc, self)
self.paginate_document(layout, page_width, page_height, DPI, DPI)
return self._pages
def __generate_index(self, layout, page_width, page_height, index):
"""
Generate the index.
"""
self._doc = libcairodoc.GtkDocDocument()
self._active_element = self._doc
self._pages = []
write_index(index, self)
self.paginate_document(layout, page_width, page_height, DPI, DPI)
return self._pages
fill_color = box_style.get_fill_color()
color = box_style.get_color()
self.file.write(
'gsave %s %s %s setrgbcolor fill grestore\n' % lrgb(fill_color) +
'%s %s %s setrgbcolor stroke\n' % lrgb(color)
)
def write_toc(toc, doc):
"""
Write the table of contents.
"""
if not toc:
return
self.file.write('newpath\n')
if box_style.get_line_width():
self.file.write(
'%s cm %s cm moveto\n' % coords(self.translate(x, y)) +
'0 -%s cm rlineto\n' % gformat(h) +
'%s cm 0 rlineto\n' % gformat(w) +
'0 %s cm rlineto\n' % gformat(h) +
'closepath\n' +
'%s setlinewidth\n' % gformat(box_style.get_line_width()) +
'%s %s %s setrgbcolor stroke\n' % lrgb(box_style.get_color())
)
if text:
para_name = box_style.get_paragraph_style()
assert( para_name != '' )
p = style_sheet.get_paragraph_style(para_name)
(text, fdef) = self.encode_text(p, text)
self.file.write(fdef)
lines = text.split('\n')
doc.start_paragraph('TOC-Title')
doc.write_text(_('Contents'))
doc.end_paragraph()
doc.start_table('toc', 'TOC-Table')
for mark, page_nr in toc:
doc.start_row()
doc.start_cell('TOC-Cell')
if mark.level == 1:
style_name = "TOC-Heading1"
elif mark.level == 2:
style_name = "TOC-Heading2"
else:
style_name = "TOC-Heading3"
doc.start_paragraph(style_name)
doc.write_text(mark.key)
doc.end_paragraph()
doc.end_cell()
doc.start_cell('TOC-Cell')
doc.start_paragraph(style_name)
doc.write_text(str(page_nr))
doc.end_paragraph()
doc.end_cell()
doc.end_row()
doc.end_table()
def write_index(index, doc):
"""
Write the alphabetical index.
"""
if not index:
return
mar = 10/28.35
f_in_cm = p.get_font().get_size()/28.35
fs = f_in_cm * 1.2
center = y + (h + fs)/2.0 + (fs*shadsize)
ystart = center - (fs/2.0) * len(lines)
for i, line in enumerate(lines):
ypos = ystart + (i * fs)
self.file.write(
'%s cm %s cm moveto\n'
% coords(self.translate(x+mar, ypos)) +
"(%s) show\n" % lines[i]
)
self.file.write('grestore\n')
doc.start_paragraph('IDX-Title')
doc.write_text(_('Index'))
doc.end_paragraph()
doc.start_table('index', 'IDX-Table')
for key in sorted(index.iterkeys()):
doc.start_row()
doc.start_cell('IDX-Cell')
doc.start_paragraph('IDX-Entry')
doc.write_text(key)
doc.end_paragraph()
doc.end_cell()
doc.start_cell('IDX-Cell')
doc.start_paragraph('IDX-Entry')
pages = [str(page_nr) for page_nr in index[key]]
doc.write_text(', '.join(pages))
doc.end_paragraph()
doc.end_cell()
doc.end_row()
doc.end_table()

2
src/plugins/docgen/docgen.gpr.py
View File

@@ -151,7 +151,7 @@ plg = newplugin()
plg.id = 'psdrawdoc'
plg.name = _('PostScript')
plg.description = _("Generates documents in PostScript format (.ps).")
plg.version = '1.0'
plg.version = '2.0'
plg.gramps_target_version = '3.4'
plg.status = STABLE
plg.fname = 'PSDrawDoc.py'

15
src/plugins/lib/libcairodoc.py
View File

@@ -1336,10 +1336,21 @@ class CairoDoc(BaseDoc, TextDoc, DrawDoc):
"""
# BaseDoc implementation
EXT = 'pdf'
def open(self, filename):
if filename[-4:] != '.pdf':
filename = filename + '.pdf'
fe = filename.split('.')
if len(fe) == 1:
filename = filename + '.' + self.EXT
elif fe[-1] != self.EXT:
# NOTE: the warning will be bogus
# if the EXT isn't properly overridden by derived class
log.warn(_(
"""Mismatch between selected extension %(ext)s and actual format.
Writing to %(filename)s in format %(impliedext)s.""") %
{'ext' : fe[-1],
'filename' : filename,
'impliedext' : self.EXT} )
self._backend = CairoBackend(filename)
self._doc = GtkDocDocument()
self._active_element = self._doc

2
test/runtest.sh
View File

@@ -21,7 +21,7 @@ mkdir -p $REP_DIR
OPTS="-i $EXAMPLE_XML"
GRPH_FMT="sxw ps pdf svg"
TEXT_FMT="sxw pdf kwd abw rtf txt html tex"
TEXT_FMT="sxw ps pdf kwd abw rtf txt html tex"
GRPH_REP="ancestor_chart descend_chart fan_chart statistics_chart timeline calendar"
TEXT_REP="ancestor_report descend_report det_ancestor_report det_descendant_report family_group"