7b69b201a9
* src/BaseDoc.py: fix angle calculation * src/docgen/PSDrawDoc.py: fix angle calculation svn: r7063
424 lines
15 KiB
Python
424 lines
15 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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#-------------------------------------------------------------------------
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#
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# python modules
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#
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#-------------------------------------------------------------------------
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from math import pi, cos, sin
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from gettext import gettext as _
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#-------------------------------------------------------------------------
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#Gramps modules
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#-------------------------------------------------------------------------
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from ReportBase import ReportUtils, Report
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from PluginUtils import register_draw_doc
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import BaseDoc
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import Errors
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from Utils import gformat
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def lrgb(grp):
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grp = ReportUtils.rgb_color(grp)
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return (gformat(grp[0]),gformat(grp[1]),gformat(grp[2]))
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def coords(grp):
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return (gformat(grp[0]),gformat(grp[1]))
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#-------------------------------------------------------------------------
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#
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# PSDrawDoc
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#
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#-------------------------------------------------------------------------
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class PSDrawDoc(BaseDoc.BaseDoc):
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def __init__(self,styles,type,template,orientation):
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BaseDoc.BaseDoc.__init__(self,styles,type,template,orientation)
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self.f = None
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self.filename = None
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self.level = 0
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self.page = 0
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def fontdef(self,para):
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font = para.get_font()
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if font.get_type_face() == BaseDoc.FONT_SERIF:
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if font.get_bold():
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if font.get_italic():
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font_name = "/Times-BoldItalic"
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else:
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font_name = "/Times-Bold"
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else:
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if font.get_italic():
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font_name = "/Times-Italic"
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else:
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font_name = "/Times-Roman"
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else:
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if font.get_bold():
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if font.get_italic():
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font_name = "/Helvetica-BoldOblique"
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else:
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font_name = "/Helvetica-Bold"
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else:
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if font.get_italic():
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font_name = "/Helvetica-Oblique"
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else:
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font_name = "/Helvetica"
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return "%s find-latin-font %d scalefont setfont\n" % (font_name,font.get_size())
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def translate(self,x,y):
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return (x,self.height-y)
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def open(self,filename):
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if filename[-3:] != ".ps":
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self.filename = filename + ".ps"
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else:
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self.filename = filename
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try:
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self.f = open(self.filename,"w")
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except IOError,msg:
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errmsg = "%s\n%s" % (_("Could not create %s") % self.filename, msg)
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raise Errors.ReportError(errmsg)
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except:
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raise Errors.ReportError(_("Could not create %s") % self.filename)
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self.f.write('%!PS-Adobe-3.0\n')
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self.f.write('%%LanguageLevel: 2\n')
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self.f.write('%%Pages: (atend)\n')
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self.f.write('%%PageOrder: Ascend\n')
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if self.orientation != BaseDoc.PAPER_PORTRAIT:
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self.f.write('%%Orientation: Landscape\n')
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else:
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self.f.write('%%Orientation: Portrait\n')
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self.f.write('%%EndComments\n')
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self.f.write('/cm { 28.34 mul } def\n')
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self.f.write('% build iso-latin-1 version of a font\n')
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self.f.write('/font-to-iso-latin-1 { % <font> font-to-iso-latin-1 <font>\n')
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self.f.write('%% reencode for iso latin1; from the 2nd edition red book, sec 5.6.1\n')
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self.f.write('dup length dict begin {1 index /FID ne {def} {pop pop} ifelse} forall\n')
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self.f.write('/Encoding ISOLatin1Encoding def currentdict end\n')
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self.f.write('dup /FontName get 80 string cvs (-ISOLatin1) concatstrings cvn \n')
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self.f.write('exch definefont\n')
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self.f.write('} def\n')
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self.f.write('\n')
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self.f.write('/find-latin-font { % <name> find-latin-font <font>\n')
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self.f.write('findfont font-to-iso-latin-1\n')
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self.f.write('} def\n')
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self.filename = filename
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def close(self):
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self.f.write('%%Trailer\n')
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self.f.write('%%Pages: ')
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self.f.write('%d\n' % self.page)
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self.f.write('%%EOF\n')
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self.f.close()
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if self.print_req:
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Report.run_print_dialog (self.filename)
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def write_text(self,text,mark=None):
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pass
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def start_page(self):
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self.page = self.page + 1
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self.f.write("%%Page:")
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self.f.write("%d %d\n" % (self.page,self.page))
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if self.orientation != BaseDoc.PAPER_PORTRAIT:
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self.f.write('90 rotate %s cm %s cm translate\n' % (
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gformat(0),gformat(-1*self.height)))
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def end_page(self):
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self.f.write('showpage\n')
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self.f.write('%%PageTrailer\n')
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def encode(self,text):
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try:
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orig = unicode(text)
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new_text = orig.encode('iso-8859-1')
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except:
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new_text = "?"*len(text)
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return new_text
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def encode_text(self,p,text):
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fdef = self.fontdef(p)
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new_text = self.encode(text)
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return (new_text,fdef)
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def center_text(self,style,text,x,y):
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x += self.lmargin
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y += self.tmargin
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stype = self.draw_styles[style]
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pname = stype.get_paragraph_style()
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p = self.style_list[pname]
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(text,fdef) = self.encode_text(p,text)
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self.f.write('gsave\n')
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self.f.write('%s %s %s setrgbcolor\n' % lrgb(stype.get_color()))
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self.f.write(fdef)
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self.f.write('(%s) dup stringwidth pop -2 div ' % text)
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self.f.write('%s cm add %s cm moveto ' % coords(self.translate(x,y)))
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self.f.write('show\n')
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self.f.write('grestore\n')
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def draw_text(self,style,text,x1,y1):
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stype = self.draw_styles[style]
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para_name = stype.get_paragraph_style()
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p = self.style_list[para_name]
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x1 = x1 + self.lmargin
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y1 = y1 + self.tmargin + ReportUtils.pt2cm(p.get_font().get_size())
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(text,fdef) = self.encode_text(p,text)
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self.f.write('gsave\n')
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x1,y1)))
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self.f.write(fdef)
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self.f.write('(%s) show grestore\n' % text)
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def draw_wedge(self, style, centerx, centery, radius, start_angle,
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end_angle, short_radius=0):
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while end_angle < start_angle:
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end_angle += 360
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p = []
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degreestoradians = pi/180.0
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radiansdelta = degreestoradians/2
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sangle = start_angle*degreestoradians
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eangle = end_angle*degreestoradians
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while eangle<sangle:
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eangle = eangle+2*pi
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angle = sangle
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if short_radius == 0:
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if (end_angle - start_angle) != 360:
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p.append((centerx,centery))
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else:
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origx = (centerx + cos(angle)*short_radius)
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origy = (centery + sin(angle)*short_radius)
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p.append((origx, origy))
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while angle<eangle:
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x = centerx + cos(angle)*radius
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y = centery + sin(angle)*radius
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p.append((x,y))
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angle = angle+radiansdelta
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x = centerx + cos(eangle)*radius
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y = centery + sin(eangle)*radius
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p.append((x,y))
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if short_radius:
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x = centerx + cos(eangle)*short_radius
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y = centery + sin(eangle)*short_radius
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p.append((x,y))
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angle = eangle
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while angle>=sangle:
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x = centerx + cos(angle)*short_radius
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y = centery + sin(angle)*short_radius
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p.append((x,y))
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angle = angle-radiansdelta
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self.draw_path(style,p)
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delta = (eangle - sangle)/2.0
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rad = short_radius + (radius-short_radius)/2.0
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return ( (centerx + cos(sangle+delta) * rad),
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(centery + sin(sangle+delta) * rad))
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def rotate_text(self,style,text,x,y,angle):
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x += self.lmargin
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y += self.tmargin
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stype = self.draw_styles[style]
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pname = stype.get_paragraph_style()
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p = self.style_list[pname]
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font = p.get_font()
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size = font.get_size()
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(new_text,fdef) = self.encode_text(p,text[0])
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self.f.write('gsave\n')
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self.f.write(fdef)
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coords = self.translate(x,y)
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self.f.write('%s cm %s cm translate\n' % (
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gformat(coords[0]),gformat(coords[1])))
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self.f.write('%s rotate\n' % gformat(-angle))
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self.f.write('%s %s %s setrgbcolor\n' % lrgb(stype.get_color()))
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val = len(text)
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y = ((size * val)/2.0) - size
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for line in text:
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self.f.write('(%s) dup stringwidth pop -2 div '
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% self.encode(line))
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self.f.write("%s moveto show\n" % gformat(y))
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y -= size
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self.f.write('grestore\n')
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def draw_path(self,style,path):
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stype = self.draw_styles[style]
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self.f.write('gsave\n')
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self.f.write('newpath\n')
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self.f.write('%s setlinewidth\n' % gformat(stype.get_line_width()))
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if stype.get_line_style() == BaseDoc.SOLID:
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self.f.write('[] 0 setdash\n')
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else:
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self.f.write('[2 4] 0 setdash\n')
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point = path[0]
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x1 = point[0]+self.lmargin
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y1 = point[1]+self.tmargin
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x1,y1)))
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for point in path[1:]:
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x1 = point[0]+self.lmargin
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y1 = point[1]+self.tmargin
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self.f.write('%s cm %s cm lineto\n' % coords(self.translate(x1,y1)))
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self.f.write('closepath\n')
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color = stype.get_fill_color()
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self.f.write('gsave %s %s %s setrgbcolor fill grestore\n' % lrgb(color))
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self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(stype.get_color()))
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self.f.write('grestore\n')
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def draw_line(self,style,x1,y1,x2,y2):
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x1 = x1 + self.lmargin
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x2 = x2 + self.lmargin
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y1 = y1 + self.tmargin
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y2 = y2 + self.tmargin
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stype = self.draw_styles[style]
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self.f.write('gsave newpath\n')
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x1,y1)))
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self.f.write('%s cm %s cm lineto\n' % coords(self.translate(x2,y2)))
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self.f.write('%s setlinewidth\n' % gformat(stype.get_line_width()))
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if stype.get_line_style() == BaseDoc.SOLID:
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self.f.write('[] 0 setdash\n')
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else:
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self.f.write('[2 4] 0 setdash\n')
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self.f.write('2 setlinecap\n')
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self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(stype.get_color()))
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self.f.write('grestore\n')
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def write_at(self,style,text,x,y):
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para_style = self.style_list[style]
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x = x + self.lmargin
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y = y + self.tmargin
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(text,fdef) = self.encode_text(para_style,text)
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self.f.write('gsave\n')
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x,y)))
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self.f.write(fdef)
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self.f.write('(%s) show grestore\n' % text)
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def draw_bar(self,style,x1,y1,x2,y2):
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x1 = x1 + self.lmargin
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x2 = x2 + self.lmargin
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y1 = y1 + self.tmargin
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y2 = y2 + self.tmargin
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box_type = self.draw_styles[style]
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fill_color = ReportUtils.rgb_color(box_type.get_fill_color())
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color = ReportUtils.rgb_color(box_type.get_color())
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self.f.write('gsave\n')
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self.f.write("%s cm %s cm moveto\n" % coords(self.translate(x1,y1)))
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self.f.write("0 %s cm rlineto\n" % gformat(y2-y1))
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self.f.write("%s cm 0 rlineto\n" % gformat(x2-x1))
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self.f.write("0 %s cm rlineto\n" % gformat(y1-y2))
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self.f.write('closepath\n')
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self.f.write("%s setlinewidth\n" % gformat(box_type.get_line_width()))
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self.f.write('gsave %s %s %s setrgbcolor fill grestore\n' % lrgb(fill_color))
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self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(color))
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self.f.write('grestore\n')
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def draw_box(self,style,text,x,y):
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x = x + self.lmargin
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y = y + self.tmargin
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box_style = self.draw_styles[style]
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para_name = box_style.get_paragraph_style()
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p = self.style_list[para_name]
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bh = box_style.get_height()
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bw = box_style.get_width()
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self.f.write('gsave\n')
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shadsize = box_style.get_shadow_space()
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if box_style.get_shadow():
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self.f.write('newpath\n')
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x+shadsize,y+shadsize)))
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self.f.write('0 -%s cm rlineto\n' % gformat(bh))
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self.f.write('%s cm 0 rlineto\n' % gformat(bw))
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self.f.write('0 %s cm rlineto\n' % gformat(bh))
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self.f.write('closepath\n')
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self.f.write('.5 setgray\n')
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self.f.write('fill\n')
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self.f.write('newpath\n')
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x,y)))
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self.f.write('0 -%s cm rlineto\n' % gformat(bh))
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self.f.write('%s cm 0 rlineto\n' % gformat(bw))
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self.f.write('0 %s cm rlineto\n' % gformat(bh))
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self.f.write('closepath\n')
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self.f.write('1 setgray\n')
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self.f.write('fill\n')
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self.f.write('newpath\n')
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if box_style.get_line_width():
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x,y)))
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self.f.write('0 -%s cm rlineto\n' % gformat(bh))
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self.f.write('%s cm 0 rlineto\n' % gformat(bw))
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self.f.write('0 %s cm rlineto\n' % gformat(bh))
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self.f.write('closepath\n')
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self.f.write('%s setlinewidth\n' % gformat(box_style.get_line_width()))
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self.f.write('%s %s %s setrgbcolor stroke\n' % lrgb(box_style.get_color()))
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if text != "":
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(text,fdef) = self.encode_text(p,text)
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self.f.write(fdef)
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lines = text.split('\n')
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nlines = len(lines)
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mar = 10/28.35
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f_in_cm = p.get_font().get_size()/28.35
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fs = f_in_cm * 1.2
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center = y + (bh + fs)/2.0 + (fs*shadsize)
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ystart = center - (fs/2.0) * nlines
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for i in range(nlines):
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ypos = ystart + (i * fs)
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self.f.write('%s cm %s cm moveto\n' % coords(self.translate(x+mar,ypos)))
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self.f.write("(%s) show\n" % lines[i])
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self.f.write('grestore\n')
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register_draw_doc(_("PostScript"),PSDrawDoc,1,1,".ps",
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_("Print a copy"));
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