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gramps/src/docgen/PSDrawDoc.py
Raphael Ackermann 90f883e46d 2008-02-18 Raphael Ackermann <raphael.ackermann@gmail.com> 
* src/* 143 files
    * test/try_tree_model.py
    * windows/nsis/gcheck.py
    imports cleanup

svn: r10055
2008-02-18 20:07:09 +00:00

371 lines
14 KiB
Python
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006 Donald N. Allingham
# Copyright (C) 2007 Brian G. Matherly
#
# 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
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
#-------------------------------------------------------------------------
#
# python modules
#
#-------------------------------------------------------------------------
from gettext import gettext as _
#-------------------------------------------------------------------------
#Gramps modules
#-------------------------------------------------------------------------
from ReportBase import ReportUtils, run_print_dialog, get_print_dialog_app
from PluginUtils import register_draw_doc
import BaseDoc
import Errors
from Utils import gformat
import Mime
import Utils
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]))
_apptype = 'application/postscript'
print_label = None
try:
# First try to find a viewer program
mprog = Mime.get_application(_apptype)
if Utils.search_for(mprog[0]):
print_label = _("Open in %(program_name)s") % {'program_name': mprog[1]}
except:
pass
if print_label == None:
# Second, try to print directly
if get_print_dialog_app() != None:
print_label = _("Print a copy")
#-------------------------------------------------------------------------
#
# PSDrawDoc
#
#-------------------------------------------------------------------------
class PSDrawDoc(BaseDoc.BaseDoc,BaseDoc.DrawDoc):
def __init__(self,styles,type,template):
BaseDoc.BaseDoc.__init__(self,styles,type,template)
self.f = None
self.filename = None
self.level = 0
self.page = 0
def fontdef(self,para):
font = para.get_font()
if font.get_type_face() == BaseDoc.FONT_SERIF:
if font.get_bold():
if font.get_italic():
font_name = "/Times-BoldItalic"
else:
font_name = "/Times-Bold"
else:
if font.get_italic():
font_name = "/Times-Italic"
else:
font_name = "/Times-Roman"
else:
if font.get_bold():
if font.get_italic():
font_name = "/Helvetica-BoldOblique"
else:
font_name = "/Helvetica-Bold"
else:
if font.get_italic():
font_name = "/Helvetica-Oblique"
else:
font_name = "/Helvetica"
return "%s find-latin-font %d scalefont setfont\n" % (font_name,font.get_size())
def translate(self,x,y):
return (x,self.paper.get_size().get_height()-y)
def open(self,filename):
if filename[-3:] != ".ps":
self.filename = filename + ".ps"
else:
self.filename = filename
try:
self.f = open(self.filename,"w")
except IOError,msg:
errmsg = "%s\n%s" % (_("Could not create %s") % self.filename, msg)
raise Errors.ReportError(errmsg)
except:
raise Errors.ReportError(_("Could not create %s") % self.filename)
self.f.write('%!PS-Adobe-3.0\n')
self.f.write('%%LanguageLevel: 2\n')
self.f.write('%%Pages: (atend)\n')
self.f.write('%%PageOrder: Ascend\n')
if self.paper.get_orientation() != BaseDoc.PAPER_PORTRAIT:
self.f.write('%%Orientation: Landscape\n')
else:
self.f.write('%%Orientation: Portrait\n')
self.f.write('%%EndComments\n')
self.f.write('/cm { 28.34 mul } def\n')
self.f.write('% build iso-latin-1 version of a font\n')
self.f.write('/font-to-iso-latin-1 { % <font> font-to-iso-latin-1 <font>\n')
self.f.write('%% reencode for iso latin1; from the 2nd edition red book, sec 5.6.1\n')
self.f.write('dup length dict begin {1 index /FID ne {def} {pop pop} ifelse} forall\n')
self.f.write('/Encoding ISOLatin1Encoding def currentdict end\n')
self.f.write('dup /FontName get 80 string cvs (-ISOLatin1) concatstrings cvn \n')
self.f.write('exch definefont\n')
self.f.write('} def\n')
self.f.write('\n')
self.f.write('/find-latin-font { % <name> find-latin-font <font>\n')
self.f.write('findfont font-to-iso-latin-1\n')
self.f.write('} def\n')
self.filename = filename
def close(self):
self.f.write('%%Trailer\n')
self.f.write('%%Pages: ')
self.f.write('%d\n' % self.page)
self.f.write('%%EOF\n')
self.f.close()
if self.print_req:
if print_label == _("Print a copy"):
run_print_dialog (self.filename)
elif print_label:
app = Mime.get_application(_apptype)
Utils.launch(app[0],self.filename)
else:
# This should never happen
print "Invalid print request"
def write_text(self,text,mark=None):
pass
def start_page(self):
self.page = self.page + 1
self.f.write("%%Page:")
self.f.write("%d %d\n" % (self.page,self.page))
if self.paper.get_orientation() != BaseDoc.PAPER_PORTRAIT:
self.f.write('90 rotate %s cm %s cm translate\n' % (
gformat(0),gformat(-1*self.paper.get_size().get_height())))
def end_page(self):
self.f.write('showpage\n')
self.f.write('%%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 = y + self.paper.get_top_margin() + ReportUtils.pt2cm(p.get_font().get_size())
(text,fdef) = self.encode_text(p,text)
self.f.write('gsave\n')
self.f.write('%s %s %s setrgbcolor\n' % lrgb(stype.get_color()))
self.f.write(fdef)
self.f.write('(%s) dup stringwidth pop -2 div ' % text)
self.f.write('%s cm add %s cm moveto ' % coords(self.translate(x,y)))
self.f.write('show\n')
self.f.write('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 = x1 + self.paper.get_left_margin()
y1 = y1 + self.paper.get_top_margin() + ReportUtils.pt2cm(p.get_font().get_size())
(text,fdef) = self.encode_text(p,text)
self.f.write('gsave\n')
self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x1,y1)))
self.f.write(fdef)
self.f.write('(%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])
self.f.write('gsave\n')
self.f.write(fdef)
coords = self.translate(x,y)
self.f.write('%s cm %s cm translate\n' % (
gformat(coords[0]),gformat(coords[1])))
self.f.write('%s rotate\n' % gformat(-angle))
self.f.write('%s %s %s setrgbcolor\n' % lrgb(stype.get_color()))
val = len(text)
y = ((size * val)/2.0) - size
for line in text:
self.f.write('(%s) dup stringwidth pop -2 div '
% self.encode(line))
self.f.write("%s moveto show\n" % gformat(y))
y -= size
self.f.write('grestore\n')
def draw_path(self,style,path):
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
self.f.write('gsave\n')
self.f.write('newpath\n')
self.f.write('%s setlinewidth\n' % gformat(stype.get_line_width()))
if stype.get_line_style() == BaseDoc.SOLID:
self.f.write('[] 0 setdash\n')
else:
self.f.write('[2 4] 0 setdash\n')
point = path[0]
x1 = point[0]+self.paper.get_left_margin()
y1 = point[1]+self.paper.get_top_margin()
self.f.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.f.write('%s cm %s cm lineto\n' % coords(self.translate(x1,y1)))
self.f.write('closepath\n')
color = stype.get_fill_color()
self.f.write('gsave %s %s %s setrgbcolor fill grestore\n' % lrgb(color))
self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(stype.get_color()))
self.f.write('grestore\n')
def draw_line(self,style,x1,y1,x2,y2):
x1 = x1 + self.paper.get_left_margin()
x2 = x2 + self.paper.get_left_margin()
y1 = y1 + self.paper.get_top_margin()
y2 = y2 + self.paper.get_top_margin()
style_sheet = self.get_style_sheet()
stype = style_sheet.get_draw_style(style)
self.f.write('gsave newpath\n')
self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x1,y1)))
self.f.write('%s cm %s cm lineto\n' % coords(self.translate(x2,y2)))
self.f.write('%s setlinewidth\n' % gformat(stype.get_line_width()))
if stype.get_line_style() == BaseDoc.SOLID:
self.f.write('[] 0 setdash\n')
else:
self.f.write('[2 4] 0 setdash\n')
self.f.write('2 setlinecap\n')
self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(stype.get_color()))
self.f.write('grestore\n')
def draw_box(self,style,text,x,y, w, h):
x = x + self.paper.get_left_margin()
y = y + self.paper.get_top_margin()
style_sheet = self.get_style_sheet()
box_style = style_sheet.get_draw_style(style)
self.f.write('gsave\n')
shadsize = box_style.get_shadow_space()
if box_style.get_shadow():
self.f.write('newpath\n')
self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x+shadsize,y+shadsize)))
self.f.write('0 -%s cm rlineto\n' % gformat(h))
self.f.write('%s cm 0 rlineto\n' % gformat(w))
self.f.write('0 %s cm rlineto\n' % gformat(h))
self.f.write('closepath\n')
self.f.write('.5 setgray\n')
self.f.write('fill\n')
self.f.write('newpath\n')
self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x,y)))
self.f.write('0 -%s cm rlineto\n' % gformat(h))
self.f.write('%s cm 0 rlineto\n' % gformat(w))
self.f.write('0 %s cm rlineto\n' % gformat(h))
self.f.write('closepath\n')
fill_color = box_style.get_fill_color()
color = box_style.get_color()
self.f.write('gsave %s %s %s setrgbcolor fill grestore\n' % lrgb(fill_color))
self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(color))
self.f.write('newpath\n')
if box_style.get_line_width():
self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x,y)))
self.f.write('0 -%s cm rlineto\n' % gformat(h))
self.f.write('%s cm 0 rlineto\n' % gformat(w))
self.f.write('0 %s cm rlineto\n' % gformat(h))
self.f.write('closepath\n')
self.f.write('%s setlinewidth\n' % gformat(box_style.get_line_width()))
self.f.write('%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.f.write(fdef)
lines = text.split('\n')
nlines = len(lines)
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) * nlines
for i in range(nlines):
ypos = ystart + (i * fs)
self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x+mar,ypos)))
self.f.write("(%s) show\n" % lines[i])
self.f.write('grestore\n')
register_draw_doc(_("PostScript"),PSDrawDoc,1,1,".ps", print_label);
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