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#!/usr/bin/env python
# -*- coding: latin-1 -*-
# ****************************************************************************
# * Software: FPDF for python *
# * Version: 1.7.1 *
# * Date: 2010-09-10 *
# * Last update: 2012-08-16 *
# * License: LGPL v3.0 *
# * *
# * Original Author (PHP): Olivier PLATHEY 2004-12-31 *
# * Ported to Python 2.4 by Max ([email protected]) on 2006-05 *
# * Maintainer: Mariano Reingart ([email protected]) et al since 2008 est. *
# * NOTE: 'I' and 'D' destinations are disabled, and simply print to STDOUT *
# ****************************************************************************
from __future__ import division
from datetime import datetime
from functools import wraps
import math
import errno
import os, sys, zlib, struct, re, tempfile, struct
from .ttfonts import TTFontFile
from .fonts import fpdf_charwidths
from .php import substr, sprintf, print_r, UTF8ToUTF16BE, UTF8StringToArray
from .py3k import PY3K, pickle, urlopen, Image, basestring, unicode, exception, b, hashpath
# Global variables
FPDF_VERSION = '1.7.2'
FPDF_FONT_DIR = os.path.join(os.path.dirname(__file__),'font')
FPDF_CACHE_MODE = 0 # 0 - in same foder, 1 - none, 2 - hash
FPDF_CACHE_DIR = None
SYSTEM_TTFONTS = None
def set_global(var, val):
globals()[var] = val
class FPDF(object):
"PDF Generation class"
def __init__(self, orientation='P',unit='mm',format='A4'):
# Some checks
self._dochecks()
# Initialization of properties
self.offsets={} # array of object offsets
self.page=0 # current page number
self.n=2 # current object number
self.buffer='' # buffer holding in-memory PDF
self.pages={} # array containing pages
self.orientation_changes={} # array indicating orientation changes
self.state=0 # current document state
self.fonts={} # array of used fonts
self.font_files={} # array of font files
self.diffs={} # array of encoding differences
self.images={} # array of used images
self.page_links={} # array of links in pages
self.links={} # array of internal links
self.in_footer=0 # flag set when processing footer
self.lastw=0
self.lasth=0 # height of last cell printed
self.font_family='' # current font family
self.font_style='' # current font style
self.font_size_pt=12 # current font size in points
self.underline=0 # underlining flag
self.draw_color='0 G'
self.fill_color='0 g'
self.text_color='0 g'
self.color_flag=0 # indicates whether fill and text colors are different
self.ws=0 # word spacing
self.angle=0
# Standard fonts
self.core_fonts={'courier':'Courier','courierB':'Courier-Bold','courierI':'Courier-Oblique','courierBI':'Courier-BoldOblique',
'helvetica':'Helvetica','helveticaB':'Helvetica-Bold','helveticaI':'Helvetica-Oblique','helveticaBI':'Helvetica-BoldOblique',
'times':'Times-Roman','timesB':'Times-Bold','timesI':'Times-Italic','timesBI':'Times-BoldItalic',
'symbol':'Symbol','zapfdingbats':'ZapfDingbats'}
# Scale factor
if(unit=='pt'):
self.k=1
elif(unit=='mm'):
self.k=72/25.4
elif(unit=='cm'):
self.k=72/2.54
elif(unit=='in'):
self.k=72.
else:
self.error('Incorrect unit: '+unit)
# Page format
if(isinstance(format,basestring)):
format=format.lower()
if(format=='a3'):
format=(841.89,1190.55)
elif(format=='a4'):
format=(595.28,841.89)
elif(format=='a5'):
format=(420.94,595.28)
elif(format=='letter'):
format=(612,792)
elif(format=='legal'):
format=(612,1008)
else:
self.error('Unknown page format: '+format)
self.fw_pt=format[0]
self.fh_pt=format[1]
else:
self.fw_pt=format[0]*self.k
self.fh_pt=format[1]*self.k
self.fw=self.fw_pt/self.k
self.fh=self.fh_pt/self.k
# Page orientation
orientation=orientation.lower()
if(orientation=='p' or orientation=='portrait'):
self.def_orientation='P'
self.w_pt=self.fw_pt
self.h_pt=self.fh_pt
elif(orientation=='l' or orientation=='landscape'):
self.def_orientation='L'
self.w_pt=self.fh_pt
self.h_pt=self.fw_pt
else:
self.error('Incorrect orientation: '+orientation)
self.cur_orientation=self.def_orientation
self.w=self.w_pt/self.k
self.h=self.h_pt/self.k
# Page margins (1 cm)
margin=28.35/self.k
self.set_margins(margin,margin)
# Interior cell margin (1 mm)
self.c_margin=margin/10.0
# line width (0.2 mm)
self.line_width=.567/self.k
# Automatic page break
self.set_auto_page_break(1,2*margin)
# Full width display mode
self.set_display_mode('fullwidth')
# Enable compression
self.set_compression(1)
# Set default PDF version number
self.pdf_version='1.3'
def check_page(fn):
"Decorator to protect drawing methods"
@wraps(fn)
def wrapper(self, *args, **kwargs):
if not self.page and not kwargs.get('split_only'):
self.error("No page open, you need to call add_page() first")
else:
return fn(self, *args, **kwargs)
return wrapper
def set_margins(self, left,top,right=-1):
"Set left, top and right margins"
self.l_margin=left
self.t_margin=top
if(right==-1):
right=left
self.r_margin=right
def set_left_margin(self, margin):
"Set left margin"
self.l_margin=margin
if(self.page>0 and self.x<margin):
self.x=margin
def set_top_margin(self, margin):
"Set top margin"
self.t_margin=margin
def set_right_margin(self, margin):
"Set right margin"
self.r_margin=margin
def set_auto_page_break(self, auto,margin=0):
"Set auto page break mode and triggering margin"
self.auto_page_break=auto
self.b_margin=margin
self.page_break_trigger=self.h-margin
def set_display_mode(self, zoom,layout='continuous'):
"""Set display mode in viewer
The "zoom" argument may be 'fullpage', 'fullwidth', 'real',
'default', or a number, interpreted as a percentage."""
if(zoom=='fullpage' or zoom=='fullwidth' or zoom=='real' or zoom=='default' or not isinstance(zoom,basestring)):
self.zoom_mode=zoom
else:
self.error('Incorrect zoom display mode: '+zoom)
if(layout=='single' or layout=='continuous' or layout=='two' or layout=='default'):
self.layout_mode=layout
else:
self.error('Incorrect layout display mode: '+layout)
def set_compression(self, compress):
"Set page compression"
self.compress=compress
def set_title(self, title):
"Title of document"
self.title=title
def set_subject(self, subject):
"Subject of document"
self.subject=subject
def set_author(self, author):
"Author of document"
self.author=author
def set_keywords(self, keywords):
"Keywords of document"
self.keywords=keywords
def set_creator(self, creator):
"Creator of document"
self.creator=creator
def alias_nb_pages(self, alias='{nb}'):
"Define an alias for total number of pages"
self.str_alias_nb_pages=alias
return alias
def error(self, msg):
"Fatal error"
raise RuntimeError('FPDF error: '+msg)
def open(self):
"Begin document"
self.state=1
def close(self):
"Terminate document"
if(self.state==3):
return
if(self.page==0):
self.add_page()
#Page footer
self.in_footer=1
self.footer()
self.in_footer=0
#close page
self._endpage()
#close document
self._enddoc()
def add_page(self, orientation=''):
"Start a new page"
if(self.state==0):
self.open()
family=self.font_family
if self.underline:
style = self.font_style + 'U'
else:
style = self.font_style
size=self.font_size_pt
lw=self.line_width
dc=self.draw_color
fc=self.fill_color
tc=self.text_color
cf=self.color_flag
if(self.page>0):
#Page footer
self.in_footer=1
self.footer()
self.in_footer=0
#close page
self._endpage()
#Start new page
self._beginpage(orientation)
#Set line cap style to square
self._out('2 J')
#Set line width
self.line_width=lw
self._out(sprintf('%.2f w',lw*self.k))
#Set font
if(family):
self.set_font(family,style,size)
#Set colors
self.draw_color=dc
if(dc!='0 G'):
self._out(dc)
self.fill_color=fc
if(fc!='0 g'):
self._out(fc)
self.text_color=tc
self.color_flag=cf
#Page header
self.header()
#Restore line width
if(self.line_width!=lw):
self.line_width=lw
self._out(sprintf('%.2f w',lw*self.k))
#Restore font
if(family):
self.set_font(family,style,size)
#Restore colors
if(self.draw_color!=dc):
self.draw_color=dc
self._out(dc)
if(self.fill_color!=fc):
self.fill_color=fc
self._out(fc)
self.text_color=tc
self.color_flag=cf
def header(self):
"Header to be implemented in your own inherited class"
pass
def footer(self):
"Footer to be implemented in your own inherited class"
pass
def page_no(self):
"Get current page number"
return self.page
def set_draw_color(self, r,g=-1,b=-1):
"Set color for all stroking operations"
if((r==0 and g==0 and b==0) or g==-1):
self.draw_color=sprintf('%.3f G',r/255.0)
else:
self.draw_color=sprintf('%.3f %.3f %.3f RG',r/255.0,g/255.0,b/255.0)
if(self.page>0):
self._out(self.draw_color)
def set_fill_color(self,r,g=-1,b=-1):
"Set color for all filling operations"
if((r==0 and g==0 and b==0) or g==-1):
self.fill_color=sprintf('%.3f g',r/255.0)
else:
self.fill_color=sprintf('%.3f %.3f %.3f rg',r/255.0,g/255.0,b/255.0)
self.color_flag=(self.fill_color!=self.text_color)
if(self.page>0):
self._out(self.fill_color)
def set_text_color(self, r,g=-1,b=-1):
"Set color for text"
if((r==0 and g==0 and b==0) or g==-1):
self.text_color=sprintf('%.3f g',r/255.0)
else:
self.text_color=sprintf('%.3f %.3f %.3f rg',r/255.0,g/255.0,b/255.0)
self.color_flag=(self.fill_color!=self.text_color)
def get_string_width(self, s):
"Get width of a string in the current font"
s = self.normalize_text(s)
cw=self.current_font['cw']
w=0
l=len(s)
if self.unifontsubset:
for char in s:
char = ord(char)
if len(cw) > char:
w += cw[char] # ord(cw[2*char])<<8 + ord(cw[2*char+1])
#elif (char>0 and char<128 and isset($cw[chr($char)])) { $w += $cw[chr($char)]; }
elif (self.current_font['desc']['MissingWidth']) :
w += self.current_font['desc']['MissingWidth']
#elif (isset($this->CurrentFont['MissingWidth'])) { $w += $this->CurrentFont['MissingWidth']; }
else:
w += 500
else:
for i in range(0, l):
w += cw.get(s[i],0)
return w*self.font_size/1000.0
def set_line_width(self, width):
"Set line width"
self.line_width=width
if(self.page>0):
self._out(sprintf('%.2f w',width*self.k))
@check_page
def line(self, x1,y1,x2,y2):
"Draw a line"
self._out(sprintf('%.2f %.2f m %.2f %.2f l S',x1*self.k,(self.h-y1)*self.k,x2*self.k,(self.h-y2)*self.k))
def _set_dash(self, dash_length=False, space_length=False):
if(dash_length and space_length):
s = sprintf('[%.3f %.3f] 0 d', dash_length*self.k, space_length*self.k)
else:
s = '[] 0 d'
self._out(s)
@check_page
def dashed_line(self, x1,y1,x2,y2, dash_length=1, space_length=1):
"""Draw a dashed line. Same interface as line() except:
- dash_length: Length of the dash
- space_length: Length of the space between dashes"""
self._set_dash(dash_length, space_length)
self.line(x1, y1, x2, y2)
self._set_dash()
@check_page
def rect(self, x,y,w,h,style=''):
"Draw a rectangle"
if(style=='F'):
op='f'
elif(style=='FD' or style=='DF'):
op='B'
else:
op='S'
self._out(sprintf('%.2f %.2f %.2f %.2f re %s',x*self.k,(self.h-y)*self.k,w*self.k,-h*self.k,op))
@check_page
def ellipse(self, x,y,w,h,style=''):
"Draw a ellipse"
if(style=='F'):
op='f'
elif(style=='FD' or style=='DF'):
op='B'
else:
op='S'
cx = x + w/2.0
cy = y + h/2.0
rx = w/2.0
ry = h/2.0
lx = 4.0/3.0*(math.sqrt(2)-1)*rx
ly = 4.0/3.0*(math.sqrt(2)-1)*ry
self._out(sprintf('%.2f %.2f m %.2f %.2f %.2f %.2f %.2f %.2f c',
(cx+rx)*self.k, (self.h-cy)*self.k,
(cx+rx)*self.k, (self.h-(cy-ly))*self.k,
(cx+lx)*self.k, (self.h-(cy-ry))*self.k,
cx*self.k, (self.h-(cy-ry))*self.k))
self._out(sprintf('%.2f %.2f %.2f %.2f %.2f %.2f c',
(cx-lx)*self.k, (self.h-(cy-ry))*self.k,
(cx-rx)*self.k, (self.h-(cy-ly))*self.k,
(cx-rx)*self.k, (self.h-cy)*self.k))
self._out(sprintf('%.2f %.2f %.2f %.2f %.2f %.2f c',
(cx-rx)*self.k, (self.h-(cy+ly))*self.k,
(cx-lx)*self.k, (self.h-(cy+ry))*self.k,
cx*self.k, (self.h-(cy+ry))*self.k))
self._out(sprintf('%.2f %.2f %.2f %.2f %.2f %.2f c %s',
(cx+lx)*self.k, (self.h-(cy+ry))*self.k,
(cx+rx)*self.k, (self.h-(cy+ly))*self.k,
(cx+rx)*self.k, (self.h-cy)*self.k,
op))
def add_font(self, family, style='', fname='', uni=False):
"Add a TrueType or Type1 font"
family = family.lower()
if (fname == ''):
fname = family.replace(' ','') + style.lower() + '.pkl'
if (family == 'arial'):
family = 'helvetica'
style = style.upper()
if (style == 'IB'):
style = 'BI'
fontkey = family+style
if fontkey in self.fonts:
# Font already added!
return
if (uni):
global SYSTEM_TTFONTS, FPDF_CACHE_MODE, FPDF_CACHE_DIR
if os.path.exists(fname):
ttffilename = fname
elif (FPDF_FONT_DIR and
os.path.exists(os.path.join(FPDF_FONT_DIR, fname))):
ttffilename = os.path.join(FPDF_FONT_DIR, fname)
elif (SYSTEM_TTFONTS and
os.path.exists(os.path.join(SYSTEM_TTFONTS, fname))):
ttffilename = os.path.join(SYSTEM_TTFONTS, fname)
else:
raise RuntimeError("TTF Font file not found: %s" % fname)
name = ''
if FPDF_CACHE_MODE == 0:
unifilename = os.path.splitext(ttffilename)[0] + '.pkl'
elif FPDF_CACHE_MODE == 2:
unifilename = os.path.join(FPDF_CACHE_DIR, \
hashpath(ttffilename) + ".pkl")
else:
unifilename = None
if unifilename and os.path.exists(unifilename):
fh = open(unifilename, "rb")
try:
font_dict = pickle.load(fh)
finally:
fh.close()
else:
ttf = TTFontFile()
ttf.getMetrics(ttffilename)
desc = {
'Ascent': int(round(ttf.ascent, 0)),
'Descent': int(round(ttf.descent, 0)),
'CapHeight': int(round(ttf.capHeight, 0)),
'Flags': ttf.flags,
'FontBBox': "[%s %s %s %s]" % (
int(round(ttf.bbox[0], 0)),
int(round(ttf.bbox[1], 0)),
int(round(ttf.bbox[2], 0)),
int(round(ttf.bbox[3], 0))),
'ItalicAngle': int(ttf.italicAngle),
'StemV': int(round(ttf.stemV, 0)),
'MissingWidth': int(round(ttf.defaultWidth, 0)),
}
# Generate metrics .pkl file
font_dict = {
'name': re.sub('[ ()]', '', ttf.fullName),
'type': 'TTF',
'desc': desc,
'up': round(ttf.underlinePosition),
'ut': round(ttf.underlineThickness),
'ttffile': ttffilename,
'fontkey': fontkey,
'originalsize': os.stat(ttffilename).st_size,
'cw': ttf.charWidths,
}
if unifilename:
try:
fh = open(unifilename, "wb")
pickle.dump(font_dict, fh)
fh.close()
except IOError:
if not exception().errno == errno.EACCES:
raise # Not a permission error.
del ttf
if hasattr(self,'str_alias_nb_pages'):
sbarr = list(range(0,57)) # include numbers in the subset!
else:
sbarr = list(range(0,32))
self.fonts[fontkey] = {
'i': len(self.fonts)+1, 'type': font_dict['type'],
'name': font_dict['name'], 'desc': font_dict['desc'],
'up': font_dict['up'], 'ut': font_dict['ut'],
'cw': font_dict['cw'],
'ttffile': font_dict['ttffile'], 'fontkey': fontkey,
'subset': sbarr, 'unifilename': unifilename,
}
self.font_files[fontkey] = {'length1': font_dict['originalsize'],
'type': "TTF", 'ttffile': ttffilename}
self.font_files[fname] = {'type': "TTF"}
else:
fontfile = open(fname)
try:
font_dict = pickle.load(fontfile)
finally:
fontfile.close()
self.fonts[fontkey] = {'i': len(self.fonts)+1}
self.fonts[fontkey].update(font_dict)
if (diff):
#Search existing encodings
d = 0
nb = len(self.diffs)
for i in range(1, nb+1):
if(self.diffs[i] == diff):
d = i
break
if (d == 0):
d = nb + 1
self.diffs[d] = diff
self.fonts[fontkey]['diff'] = d
filename = font_dict.get('filename')
if (filename):
if (type == 'TrueType'):
self.font_files[filename]={'length1': originalsize}
else:
self.font_files[filename]={'length1': size1,
'length2': size2}
def set_font(self, family,style='',size=0):
"Select a font; size given in points"
family=family.lower()
if(family==''):
family=self.font_family
if(family=='arial'):
family='helvetica'
elif(family=='symbol' or family=='zapfdingbats'):
style=''
style=style.upper()
if('U' in style):
self.underline=1
style=style.replace('U','')
else:
self.underline=0
if(style=='IB'):
style='BI'
if(size==0):
size=self.font_size_pt
#Test if font is already selected
if(self.font_family==family and self.font_style==style and self.font_size_pt==size):
return
#Test if used for the first time
fontkey=family+style
if fontkey not in self.fonts:
#Check if one of the standard fonts
if fontkey in self.core_fonts:
if fontkey not in fpdf_charwidths:
#Load metric file
name=os.path.join(FPDF_FONT_DIR,family)
if(family=='times' or family=='helvetica'):
name+=style.lower()
exec(compile(open(name+'.font').read(), name+'.font', 'exec'))
if fontkey not in fpdf_charwidths:
self.error('Could not include font metric file for'+fontkey)
i=len(self.fonts)+1
self.fonts[fontkey]={'i':i,'type':'core','name':self.core_fonts[fontkey],'up':-100,'ut':50,'cw':fpdf_charwidths[fontkey]}
else:
self.error('Undefined font: '+family+' '+style)
#Select it
self.font_family=family
self.font_style=style
self.font_size_pt=size
self.font_size=size/self.k
self.current_font=self.fonts[fontkey]
self.unifontsubset = (self.fonts[fontkey]['type'] == 'TTF')
if(self.page>0):
self._out(sprintf('BT /F%d %.2f Tf ET',self.current_font['i'],self.font_size_pt))
def set_font_size(self, size):
"Set font size in points"
if(self.font_size_pt==size):
return
self.font_size_pt=size
self.font_size=size/self.k
if(self.page>0):
self._out(sprintf('BT /F%d %.2f Tf ET',self.current_font['i'],self.font_size_pt))
def add_link(self):
"Create a new internal link"
n=len(self.links)+1
self.links[n]=(0,0)
return n
def set_link(self, link,y=0,page=-1):
"Set destination of internal link"
if(y==-1):
y=self.y
if(page==-1):
page=self.page
self.links[link]=[page,y]
def link(self, x,y,w,h,link):
"Put a link on the page"
if not self.page in self.page_links:
self.page_links[self.page] = []
self.page_links[self.page] += [(x*self.k,self.h_pt-y*self.k,w*self.k,h*self.k,link),]
@check_page
def text(self, x, y, txt=''):
"Output a string"
txt = self.normalize_text(txt)
if (self.unifontsubset):
txt2 = self._escape(UTF8ToUTF16BE(txt, False))
for uni in UTF8StringToArray(txt):
self.current_font['subset'].append(uni)
else:
txt2 = self._escape(txt)
s=sprintf('BT %.2f %.2f Td (%s) Tj ET',x*self.k,(self.h-y)*self.k, txt2)
if(self.underline and txt!=''):
s+=' '+self._dounderline(x,y,txt)
if(self.color_flag):
s='q '+self.text_color+' '+s+' Q'
self._out(s)
@check_page
def rotate(self, angle, x=None, y=None):
if x is None:
x = self.x
if y is None:
y = self.y;
if self.angle!=0:
self._out('Q')
self.angle = angle
if angle!=0:
angle *= math.pi/180;
c = math.cos(angle);
s = math.sin(angle);
cx = x*self.k;
cy = (self.h-y)*self.k
s = sprintf('q %.5F %.5F %.5F %.5F %.2F %.2F cm 1 0 0 1 %.2F %.2F cm',c,s,-s,c,cx,cy,-cx,-cy)
self._out(s)
def accept_page_break(self):
"Accept automatic page break or not"
return self.auto_page_break
@check_page
def cell(self, w,h=0,txt='',border=0,ln=0,align='',fill=0,link=''):
"Output a cell"
txt = self.normalize_text(txt)
k=self.k
if(self.y+h>self.page_break_trigger and not self.in_footer and self.accept_page_break()):
#Automatic page break
x=self.x
ws=self.ws
if(ws>0):
self.ws=0
self._out('0 Tw')
self.add_page(self.cur_orientation)
self.x=x
if(ws>0):
self.ws=ws
self._out(sprintf('%.3f Tw',ws*k))
if(w==0):
w=self.w-self.r_margin-self.x
s=''
if(fill==1 or border==1):
if(fill==1):
if border==1:
op='B'
else:
op='f'
else:
op='S'
s=sprintf('%.2f %.2f %.2f %.2f re %s ',self.x*k,(self.h-self.y)*k,w*k,-h*k,op)
if(isinstance(border,basestring)):
x=self.x
y=self.y
if('L' in border):
s+=sprintf('%.2f %.2f m %.2f %.2f l S ',x*k,(self.h-y)*k,x*k,(self.h-(y+h))*k)
if('T' in border):
s+=sprintf('%.2f %.2f m %.2f %.2f l S ',x*k,(self.h-y)*k,(x+w)*k,(self.h-y)*k)
if('R' in border):
s+=sprintf('%.2f %.2f m %.2f %.2f l S ',(x+w)*k,(self.h-y)*k,(x+w)*k,(self.h-(y+h))*k)
if('B' in border):
s+=sprintf('%.2f %.2f m %.2f %.2f l S ',x*k,(self.h-(y+h))*k,(x+w)*k,(self.h-(y+h))*k)
if(txt!=''):
if(align=='R'):
dx=w-self.c_margin-self.get_string_width(txt)
elif(align=='C'):
dx=(w-self.get_string_width(txt))/2.0
else:
dx=self.c_margin
if(self.color_flag):
s+='q '+self.text_color+' '
# If multibyte, Tw has no effect - do word spacing using an adjustment before each space
if (self.ws and self.unifontsubset):
for uni in UTF8StringToArray(txt):
self.current_font['subset'].append(uni)
space = self._escape(UTF8ToUTF16BE(' ', False))
s += sprintf('BT 0 Tw %.2F %.2F Td [',(self.x + dx) * k,(self.h - (self.y + 0.5*h+ 0.3 * self.font_size)) * k)
t = txt.split(' ')
numt = len(t)
for i in range(numt):
tx = t[i]
tx = '(' + self._escape(UTF8ToUTF16BE(tx, False)) + ')'
s += sprintf('%s ', tx);
if ((i+1)<numt):
adj = -(self.ws * self.k) * 1000 / self.font_size_pt
s += sprintf('%d(%s) ', adj, space)
s += '] TJ'
s += ' ET'
else:
if (self.unifontsubset):
txt2 = self._escape(UTF8ToUTF16BE(txt, False))
for uni in UTF8StringToArray(txt):
self.current_font['subset'].append(uni)
else:
txt2 = self._escape(txt)
s += sprintf('BT %.2f %.2f Td (%s) Tj ET',(self.x+dx)*k,(self.h-(self.y+.5*h+.3*self.font_size))*k,txt2)
if(self.underline):
s+=' '+self._dounderline(self.x+dx,self.y+.5*h+.3*self.font_size,txt)
if(self.color_flag):
s+=' Q'
if(link):
self.link(self.x+dx,self.y+.5*h-.5*self.font_size,self.get_string_width(txt),self.font_size,link)
if(s):
self._out(s)
self.lasth=h
if(ln>0):
#Go to next line
self.y+=h
if(ln==1):
self.x=self.l_margin
else:
self.x+=w
@check_page
def multi_cell(self, w, h, txt='', border=0, align='J', fill=0, split_only=False):
"Output text with automatic or explicit line breaks"
txt = self.normalize_text(txt)
ret = [] # if split_only = True, returns splited text cells
cw=self.current_font['cw']
if(w==0):
w=self.w-self.r_margin-self.x
wmax=(w-2*self.c_margin)*1000.0/self.font_size
s=txt.replace("\r",'')
nb=len(s)
if(nb>0 and s[nb-1]=="\n"):
nb-=1
b=0
if(border):
if(border==1):
border='LTRB'
b='LRT'
b2='LR'
else:
b2=''
if('L' in border):
b2+='L'
if('R' in border):
b2+='R'
if ('T' in border):
b=b2+'T'
else:
b=b2
sep=-1
i=0
j=0
l=0
ns=0
nl=1
while(i<nb):
#Get next character
c=s[i]
if(c=="\n"):
#Explicit line break
if(self.ws>0):
self.ws=0
if not split_only:
self._out('0 Tw')
if not split_only:
self.cell(w,h,substr(s,j,i-j),b,2,align,fill)
else:
ret.append(substr(s,j,i-j))
i+=1
sep=-1
j=i
l=0
ns=0
nl+=1
if(border and nl==2):
b=b2
continue
if(c==' '):
sep=i
ls=l
ns+=1
if self.unifontsubset:
l += self.get_string_width(c) / self.font_size*1000.0
else:
l += cw.get(c,0)
if(l>wmax):
#Automatic line break
if(sep==-1):
if(i==j):
i+=1
if(self.ws>0):
self.ws=0
if not split_only:
self._out('0 Tw')
if not split_only:
self.cell(w,h,substr(s,j,i-j),b,2,align,fill)
else:
ret.append(substr(s,j,i-j))
else:
if(align=='J'):
if ns>1:
self.ws=(wmax-ls)/1000.0*self.font_size/(ns-1)
else:
self.ws=0
if not split_only:
self._out(sprintf('%.3f Tw',self.ws*self.k))
if not split_only:
self.cell(w,h,substr(s,j,sep-j),b,2,align,fill)
else:
ret.append(substr(s,j,sep-j))
i=sep+1
sep=-1
j=i
l=0
ns=0
nl+=1
if(border and nl==2):
b=b2
else:
i+=1
#Last chunk
if(self.ws>0):
self.ws=0
if not split_only:
self._out('0 Tw')
if(border and 'B' in border):
b+='B'
if not split_only:
self.cell(w,h,substr(s,j,i-j),b,2,align,fill)
self.x=self.l_margin
else:
ret.append(substr(s,j,i-j))
return ret
@check_page
def write(self, h, txt='', link=''):
"Output text in flowing mode"
txt = self.normalize_text(txt)
cw=self.current_font['cw']
w=self.w-self.r_margin-self.x
wmax=(w-2*self.c_margin)*1000.0/self.font_size
s=txt.replace("\r",'')
nb=len(s)
sep=-1
i=0
j=0
l=0
nl=1
while(i<nb):
#Get next character
c=s[i]
if(c=="\n"):
#Explicit line break
self.cell(w,h,substr(s,j,i-j),0,2,'',0,link)
i+=1
sep=-1
j=i
l=0
if(nl==1):
self.x=self.l_margin
w=self.w-self.r_margin-self.x
wmax=(w-2*self.c_margin)*1000.0/self.font_size
nl+=1
continue
if(c==' '):
sep=i
if self.unifontsubset:
l += self.get_string_width(c) / self.font_size*1000.0
else:
l += cw.get(c,0)
if(l>wmax):
#Automatic line break
if(sep==-1):
if(self.x>self.l_margin):
#Move to next line
self.x=self.l_margin
self.y+=h
w=self.w-self.r_margin-self.x
wmax=(w-2*self.c_margin)*1000.0/self.font_size
i+=1
nl+=1
continue
if(i==j):
i+=1
self.cell(w,h,substr(s,j,i-j),0,2,'',0,link)
else:
self.cell(w,h,substr(s,j,sep-j),0,2,'',0,link)
i=sep+1
sep=-1
j=i
l=0
if(nl==1):
self.x=self.l_margin
w=self.w-self.r_margin-self.x
wmax=(w-2*self.c_margin)*1000.0/self.font_size
nl+=1
else:
i+=1
#Last chunk
if(i!=j):
self.cell(l/1000.0*self.font_size,h,substr(s,j),0,0,'',0,link)
@check_page
def image(self, name, x=None, y=None, w=0,h=0,type='',link=''):
"Put an image on the page"
if not name in self.images:
#First use of image, get info
if(type==''):
pos=name.rfind('.')
if(not pos):
self.error('image file has no extension and no type was specified: '+name)
type=substr(name,pos+1)
type=type.lower()
if(type=='jpg' or type=='jpeg'):
info=self._parsejpg(name)
elif(type=='png'):
info=self._parsepng(name)
else:
#Allow for additional formats
#maybe the image is not showing the correct extension,
#but the header is OK,
succeed_parsing = False
#try all the parsing functions
parsing_functions = [self._parsejpg,self._parsepng,self._parsegif]
for pf in parsing_functions:
try:
info = pf(name)
succeed_parsing = True
break;
except:
pass
#last resource
if not succeed_parsing:
mtd='_parse'+type
if not hasattr(self,mtd):
self.error('Unsupported image type: '+type)
info=getattr(self, mtd)(name)
mtd='_parse'+type
if not hasattr(self,mtd):
self.error('Unsupported image type: '+type)
info=getattr(self, mtd)(name)
info['i']=len(self.images)+1
self.images[name]=info
else:
info=self.images[name]
#Automatic width and height calculation if needed
if(w==0 and h==0):
#Put image at 72 dpi
w=info['w']/self.k
h=info['h']/self.k
elif(w==0):
w=h*info['w']/info['h']
elif(h==0):
h=w*info['h']/info['w']
# Flowing mode
if y is None:
if (self.y + h > self.page_break_trigger and not self.in_footer and self.accept_page_break()):
#Automatic page break
x = self.x
self.add_page(self.cur_orientation)
self.x = x
y = self.y
self.y += h
if x is None:
x = self.x
self._out(sprintf('q %.2f 0 0 %.2f %.2f %.2f cm /I%d Do Q',w*self.k,h*self.k,x*self.k,(self.h-(y+h))*self.k,info['i']))
if(link):
self.link(x,y,w,h,link)
@check_page
def ln(self, h=''):
"Line Feed; default value is last cell height"
self.x=self.l_margin
if(isinstance(h, basestring)):
self.y+=self.lasth
else:
self.y+=h
def get_x(self):
"Get x position"
return self.x
def set_x(self, x):
"Set x position"
if(x>=0):
self.x=x
else:
self.x=self.w+x
def get_y(self):
"Get y position"
return self.y
def set_y(self, y):
"Set y position and reset x"
self.x=self.l_margin
if(y>=0):
self.y=y
else:
self.y=self.h+y
def set_xy(self, x,y):
"Set x and y positions"
self.set_y(y)
self.set_x(x)
def output(self, name='',dest=''):
"Output PDF to some destination"
#Finish document if necessary
if(self.state<3):
self.close()
dest=dest.upper()
if(dest==''):
if(name==''):
name='doc.pdf'
dest='I'
else:
dest='F'
if dest=='I':
print(self.buffer)
elif dest=='D':
print(self.buffer)
elif dest=='F':
#Save to local file
f=open(name,'wb')
if(not f):
self.error('Unable to create output file: '+name)
if PY3K:
# manage binary data as latin1 until PEP461 or similar is implemented
f.write(self.buffer.encode("latin1"))
else:
f.write(self.buffer)
f.close()
elif dest=='S':
#Return as a string
return self.buffer
else:
self.error('Incorrect output destination: '+dest)
return ''
def normalize_text(self, txt):
"Check that text input is in the correct format/encoding"
# - for TTF unicode fonts: unicode object (utf8 encoding)
# - for built-in fonts: string instances (latin 1 encoding)
if self.unifontsubset and isinstance(txt, str) and not PY3K:
txt = txt.decode('utf8')
elif not self.unifontsubset and isinstance(txt, unicode) and not PY3K:
txt = txt.encode('latin1')
return txt
def _dochecks(self):
#Check for locale-related bug
# if(1.1==1):
# self.error("Don\'t alter the locale before including class file");
#Check for decimal separator
if(sprintf('%.1f',1.0)!='1.0'):
import locale
locale.setlocale(locale.LC_NUMERIC,'C')
def _getfontpath(self):
return FPDF_FONT_DIR+'/'
def _putpages(self):
nb=self.page
if hasattr(self,'str_alias_nb_pages'):
# Replace number of pages in fonts using subsets (unicode)
alias = UTF8ToUTF16BE(self.str_alias_nb_pages, False)
r = UTF8ToUTF16BE(str(nb), False)
for n in range(1, nb+1):
self.pages[n] = self.pages[n].replace(alias, r)
# Now repeat for no pages in non-subset fonts
for n in range(1,nb+1):
self.pages[n]=self.pages[n].replace(self.str_alias_nb_pages,str(nb))
if(self.def_orientation=='P'):
w_pt=self.fw_pt
h_pt=self.fh_pt
else:
w_pt=self.fh_pt
h_pt=self.fw_pt
if self.compress:
filter='/Filter /FlateDecode '
else:
filter=''
for n in range(1,nb+1):
#Page
self._newobj()
self._out('<</Type /Page')
self._out('/Parent 1 0 R')
if n in self.orientation_changes:
self._out(sprintf('/MediaBox [0 0 %.2f %.2f]',h_pt,w_pt))
self._out('/Resources 2 0 R')
if self.page_links and n in self.page_links:
#Links
annots='/Annots ['
for pl in self.page_links[n]:
rect=sprintf('%.2f %.2f %.2f %.2f',pl[0],pl[1],pl[0]+pl[2],pl[1]-pl[3])
annots+='<</Type /Annot /Subtype /Link /Rect ['+rect+'] /Border [0 0 0] '
if(isinstance(pl[4],basestring)):
annots+='/A <</S /URI /URI '+self._textstring(pl[4])+'>>>>'
else:
l=self.links[pl[4]]
if l[0] in self.orientation_changes:
h=w_pt
else:
h=h_pt
annots+=sprintf('/Dest [%d 0 R /XYZ 0 %.2f null]>>',1+2*l[0],h-l[1]*self.k)
self._out(annots+']')
if(self.pdf_version>'1.3'):
self._out('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>')
self._out('/Contents '+str(self.n+1)+' 0 R>>')
self._out('endobj')
#Page content
if self.compress:
# manage binary data as latin1 until PEP461 or similar is implemented
p = self.pages[n].encode("latin1") if PY3K else self.pages[n]
p = zlib.compress(p)
else:
p = self.pages[n]
self._newobj()
self._out('<<'+filter+'/Length '+str(len(p))+'>>')
self._putstream(p)
self._out('endobj')
#Pages root
self.offsets[1]=len(self.buffer)
self._out('1 0 obj')
self._out('<</Type /Pages')
kids='/Kids ['
for i in range(0,nb):
kids+=str(3+2*i)+' 0 R '
self._out(kids+']')
self._out('/Count '+str(nb))
self._out(sprintf('/MediaBox [0 0 %.2f %.2f]',w_pt,h_pt))
self._out('>>')
self._out('endobj')
def _putfonts(self):
nf=self.n
for diff in self.diffs:
#Encodings
self._newobj()
self._out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['+self.diffs[diff]+']>>')
self._out('endobj')
for name,info in self.font_files.items():
if 'type' in info and info['type'] != 'TTF':
#Font file embedding
self._newobj()
self.font_files[name]['n']=self.n
font=''
f=open(self._getfontpath()+name,'rb',1)
if(not f):
self.error('Font file not found')
font=f.read()
f.close()
compressed=(substr(name,-2)=='.z')
if(not compressed and 'length2' in info):
header=(ord(font[0])==128)
if(header):
#Strip first binary header
font=substr(font,6)
if(header and ord(font[info['length1']])==128):
#Strip second binary header
font=substr(font,0,info['length1'])+substr(font,info['length1']+6)
self._out('<</Length '+str(len(font)))
if(compressed):
self._out('/Filter /FlateDecode')
self._out('/Length1 '+str(info['length1']))
if('length2' in info):
self._out('/Length2 '+str(info['length2'])+' /Length3 0')
self._out('>>')
self._putstream(font)
self._out('endobj')
flist = [(x[1]["i"],x[0],x[1]) for x in self.fonts.items()]
flist.sort()
for idx,k,font in flist:
#Font objects
self.fonts[k]['n']=self.n+1
type=font['type']
name=font['name']
if(type=='core'):
#Standard font
self._newobj()
self._out('<</Type /Font')
self._out('/BaseFont /'+name)
self._out('/Subtype /Type1')
if(name!='Symbol' and name!='ZapfDingbats'):
self._out('/Encoding /WinAnsiEncoding')
self._out('>>')
self._out('endobj')
elif(type=='Type1' or type=='TrueType'):
#Additional Type1 or TrueType font
self._newobj()
self._out('<</Type /Font')
self._out('/BaseFont /'+name)
self._out('/Subtype /'+type)
self._out('/FirstChar 32 /LastChar 255')
self._out('/Widths '+str(self.n+1)+' 0 R')
self._out('/FontDescriptor '+str(self.n+2)+' 0 R')
if(font['enc']):
if('diff' in font):
self._out('/Encoding '+str(nf+font['diff'])+' 0 R')
else:
self._out('/Encoding /WinAnsiEncoding')
self._out('>>')
self._out('endobj')
#Widths
self._newobj()
cw=font['cw']
s='['
for i in range(32,256):
# Get doesn't rise exception; returns 0 instead of None if not set
s+=str(cw.get(chr(i)) or 0)+' '
self._out(s+']')
self._out('endobj')
#Descriptor
self._newobj()
s='<</Type /FontDescriptor /FontName /'+name
for k in ('Ascent', 'Descent', 'CapHeight', 'Falgs', 'FontBBox', 'ItalicAngle', 'StemV', 'MissingWidth'):
s += ' /%s %s' % (k, font['desc'][k])
filename=font['file']
if(filename):
s+=' /FontFile'
if type!='Type1':
s+='2'
s+=' '+str(self.font_files[filename]['n'])+' 0 R'
self._out(s+'>>')
self._out('endobj')
elif (type == 'TTF'):
self.fonts[k]['n'] = self.n + 1
ttf = TTFontFile()
fontname = 'MPDFAA' + '+' + font['name']
subset = font['subset']
del subset[0]
ttfontstream = ttf.makeSubset(font['ttffile'], subset)
ttfontsize = len(ttfontstream)
fontstream = zlib.compress(ttfontstream)
codeToGlyph = ttf.codeToGlyph
##del codeToGlyph[0]
# Type0 Font
# A composite font - a font composed of other fonts, organized hierarchically
self._newobj()
self._out('<</Type /Font');
self._out('/Subtype /Type0');
self._out('/BaseFont /' + fontname + '');
self._out('/Encoding /Identity-H');
self._out('/DescendantFonts [' + str(self.n + 1) + ' 0 R]')
self._out('/ToUnicode ' + str(self.n + 2) + ' 0 R')
self._out('>>')
self._out('endobj')
# CIDFontType2
# A CIDFont whose glyph descriptions are based on TrueType font technology
self._newobj()
self._out('<</Type /Font')
self._out('/Subtype /CIDFontType2')
self._out('/BaseFont /' + fontname + '')
self._out('/CIDSystemInfo ' + str(self.n + 2) + ' 0 R')
self._out('/FontDescriptor ' + str(self.n + 3) + ' 0 R')
if (font['desc'].get('MissingWidth')):
self._out('/DW %d' % font['desc']['MissingWidth'])
self._putTTfontwidths(font, ttf.maxUni)
self._out('/CIDToGIDMap ' + str(self.n + 4) + ' 0 R')
self._out('>>')
self._out('endobj')
# ToUnicode
self._newobj()
toUni = "/CIDInit /ProcSet findresource begin\n" \
"12 dict begin\n" \
"begincmap\n" \
"/CIDSystemInfo\n" \
"<</Registry (Adobe)\n" \
"/Ordering (UCS)\n" \
"/Supplement 0\n" \
">> def\n" \
"/CMapName /Adobe-Identity-UCS def\n" \
"/CMapType 2 def\n" \
"1 begincodespacerange\n" \
"<0000> <FFFF>\n" \
"endcodespacerange\n" \
"1 beginbfrange\n" \
"<0000> <FFFF> <0000>\n" \
"endbfrange\n" \
"endcmap\n" \
"CMapName currentdict /CMap defineresource pop\n" \
"end\n" \
"end"
self._out('<</Length ' + str(len(toUni)) + '>>')
self._putstream(toUni)
self._out('endobj')
# CIDSystemInfo dictionary
self._newobj()
self._out('<</Registry (Adobe)')
self._out('/Ordering (UCS)')
self._out('/Supplement 0')
self._out('>>')
self._out('endobj')
# Font descriptor
self._newobj()
self._out('<</Type /FontDescriptor')
self._out('/FontName /' + fontname)
for kd in ('Ascent', 'Descent', 'CapHeight', 'Flags', 'FontBBox', 'ItalicAngle', 'StemV', 'MissingWidth'):
v = font['desc'][kd]
if (kd == 'Flags'):
v = v | 4;
v = v & ~32; # SYMBOLIC font flag
self._out(' /%s %s' % (kd, v))
self._out('/FontFile2 ' + str(self.n + 2) + ' 0 R')
self._out('>>')
self._out('endobj')
# Embed CIDToGIDMap
# A specification of the mapping from CIDs to glyph indices
cidtogidmap = '';
cidtogidmap = ["\x00"] * 256*256*2
for cc, glyph in codeToGlyph.items():
cidtogidmap[cc*2] = chr(glyph >> 8)
cidtogidmap[cc*2 + 1] = chr(glyph & 0xFF)
cidtogidmap = ''.join(cidtogidmap)
if PY3K:
# manage binary data as latin1 until PEP461-like function is implemented
cidtogidmap = cidtogidmap.encode("latin1")
cidtogidmap = zlib.compress(cidtogidmap);
self._newobj()
self._out('<</Length ' + str(len(cidtogidmap)) + '')
self._out('/Filter /FlateDecode')
self._out('>>')
self._putstream(cidtogidmap)
self._out('endobj')
#Font file
self._newobj()
self._out('<</Length ' + str(len(fontstream)))
self._out('/Filter /FlateDecode')
self._out('/Length1 ' + str(ttfontsize))
self._out('>>')
self._putstream(fontstream)
self._out('endobj')
del ttf
else:
#Allow for additional types
mtd='_put'+type.lower()
if(not method_exists(self,mtd)):
self.error('Unsupported font type: '+type)
self.mtd(font)
def _putTTfontwidths(self, font, maxUni):
if font['unifilename']:
cw127fname = os.path.splitext(font['unifilename'])[0] + '.cw127.pkl'
else:
cw127fname = None
if cw127fname and os.path.exists(cw127fname):
fh = open(cw127fname, "rb");
try:
font_dict = pickle.load(fh)
finally:
fh.close()
rangeid = font_dict['rangeid']
range_ = font_dict['range']
prevcid = font_dict['prevcid']
prevwidth = font_dict['prevwidth']
interval = font_dict['interval']
range_interval = font_dict['range_interval']
startcid = 128
else:
rangeid = 0
range_ = {}
range_interval = {}
prevcid = -2
prevwidth = -1
interval = False
startcid = 1
cwlen = maxUni + 1
# for each character
for cid in range(startcid, cwlen):
if cid == 128 and cw127fname and not os.path.exists(cw127fname):
try:
fh = open(cw127fname, "wb")
font_dict = {}
font_dict['rangeid'] = rangeid
font_dict['prevcid'] = prevcid
font_dict['prevwidth'] = prevwidth
font_dict['interval'] = interval
font_dict['range_interval'] = range_interval
font_dict['range'] = range_
pickle.dump(font_dict, fh)
fh.close()
except IOError:
if not exception().errno == errno.EACCES:
raise # Not a permission error.
if (font['cw'][cid] == 0):
continue
width = font['cw'][cid]
if (width == 65535): width = 0
if (cid > 255 and (cid not in font['subset']) or not cid): #
continue
if ('dw' not in font or (font['dw'] and width != font['dw'])):
if (cid == (prevcid + 1)):
if (width == prevwidth):
if (width == range_[rangeid][0]):
range_.setdefault(rangeid, []).append(width)
else:
range_[rangeid].pop()
# new range
rangeid = prevcid
range_[rangeid] = [prevwidth, width]
interval = True
range_interval[rangeid] = True
else:
if (interval):
# new range
rangeid = cid
range_[rangeid] = [width]
else:
range_[rangeid].append(width)
interval = False
else:
rangeid = cid
range_[rangeid] = [width]
interval = False
prevcid = cid
prevwidth = width
prevk = -1
nextk = -1
prevint = False
for k, ws in sorted(range_.items()):
cws = len(ws)
if (k == nextk and not prevint and (not k in range_interval or cws < 3)):
if (k in range_interval):
del range_interval[k]
range_[prevk] = range_[prevk] + range_[k]
del range_[k]
else:
prevk = k
nextk = k + cws
if (k in range_interval):
prevint = (cws > 3)
del range_interval[k]
nextk -= 1
else:
prevint = False
w = []
for k, ws in sorted(range_.items()):
if (len(set(ws)) == 1):
w.append(' %s %s %s' % (k, k + len(ws) - 1, ws[0]))
else:
w.append(' %s [ %s ]\n' % (k, ' '.join([str(int(h)) for h in ws]))) ##
self._out('/W [%s]' % ''.join(w))
def _putimages(self):
filter=''
if self.compress:
filter='/Filter /FlateDecode '
i = [(x[1]["i"],x[1]) for x in self.images.items()]
i.sort()
for idx,info in i:
self._putimage(info)
del info['data']
if 'smask' in info:
del info['smask']
def _putimage(self, info):
if 'data' in info:
self._newobj()
info['n']=self.n
self._out('<</Type /XObject')
self._out('/Subtype /Image')
self._out('/Width '+str(info['w']))
self._out('/Height '+str(info['h']))
if(info['cs']=='Indexed'):
self._out('/ColorSpace [/Indexed /DeviceRGB '+str(int(len(info['pal'])/3)-1)+' '+str(self.n+1)+' 0 R]')
else:
self._out('/ColorSpace /'+info['cs'])
if(info['cs']=='DeviceCMYK'):
self._out('/Decode [1 0 1 0 1 0 1 0]')
self._out('/BitsPerComponent '+str(info['bpc']))
if 'f' in info:
self._out('/Filter /'+info['f'])
if 'dp' in info:
self._out('/DecodeParms <<' + info['dp'] + '>>')
if('trns' in info and isinstance(info['trns'], list)):
trns=''
for i in range(0,len(info['trns'])):
trns+=str(info['trns'][i])+' '+str(info['trns'][i])+' '
self._out('/Mask ['+trns+']')
if('smask' in info):
self._out('/SMask ' + str(self.n+1) + ' 0 R');
self._out('/Length '+str(len(info['data']))+'>>')
self._putstream(info['data'])
self._out('endobj')
# Soft mask
if('smask' in info):
dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns ' + str(info['w'])
smask = {'w': info['w'], 'h': info['h'], 'cs': 'DeviceGray', 'bpc': 8, 'f': info['f'], 'dp': dp, 'data': info['smask']}
self._putimage(smask)
#Palette
if(info['cs']=='Indexed'):
self._newobj()
filter = self.compress and '/Filter /FlateDecode ' or ''
if self.compress:
pal=zlib.compress(info['pal'])
else:
pal=info['pal']
self._out('<<'+filter+'/Length '+str(len(pal))+'>>')
self._putstream(pal)
self._out('endobj')
def _putxobjectdict(self):
i = [(x["i"],x["n"]) for x in self.images.values()]
i.sort()
for idx,n in i:
self._out('/I'+str(idx)+' '+str(n)+' 0 R')
def _putresourcedict(self):
self._out('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]')
self._out('/Font <<')
f = [(x["i"],x["n"]) for x in self.fonts.values()]
f.sort()
for idx,n in f:
self._out('/F'+str(idx)+' '+str(n)+' 0 R')
self._out('>>')
self._out('/XObject <<')
self._putxobjectdict()
self._out('>>')
def _putresources(self):
self._putfonts()
self._putimages()
#Resource dictionary
self.offsets[2]=len(self.buffer)
self._out('2 0 obj')
self._out('<<')
self._putresourcedict()
self._out('>>')
self._out('endobj')
def _putinfo(self):
self._out('/Producer '+self._textstring('PyFPDF '+FPDF_VERSION+' http://pyfpdf.googlecode.com/'))
if hasattr(self,'title'):
self._out('/Title '+self._textstring(self.title))
if hasattr(self,'subject'):
self._out('/Subject '+self._textstring(self.subject))
if hasattr(self,'author'):
self._out('/Author '+self._textstring(self.author))
if hasattr (self,'keywords'):
self._out('/Keywords '+self._textstring(self.keywords))
if hasattr(self,'creator'):
self._out('/Creator '+self._textstring(self.creator))
self._out('/CreationDate '+self._textstring('D:'+datetime.now().strftime('%Y%m%d%H%M%S')))
def _putcatalog(self):
self._out('/Type /Catalog')
self._out('/Pages 1 0 R')
if(self.zoom_mode=='fullpage'):
self._out('/OpenAction [3 0 R /Fit]')
elif(self.zoom_mode=='fullwidth'):
self._out('/OpenAction [3 0 R /FitH null]')
elif(self.zoom_mode=='real'):
self._out('/OpenAction [3 0 R /XYZ null null 1]')
elif(not isinstance(self.zoom_mode,basestring)):
self._out(sprintf('/OpenAction [3 0 R /XYZ null null %s]',self.zoom_mode/100))
if(self.layout_mode=='single'):
self._out('/PageLayout /SinglePage')
elif(self.layout_mode=='continuous'):
self._out('/PageLayout /OneColumn')
elif(self.layout_mode=='two'):
self._out('/PageLayout /TwoColumnLeft')
def _putheader(self):
self._out('%PDF-'+self.pdf_version)
def _puttrailer(self):
self._out('/Size '+str(self.n+1))
self._out('/Root '+str(self.n)+' 0 R')
self._out('/Info '+str(self.n-1)+' 0 R')
def _enddoc(self):
self._putheader()
self._putpages()
self._putresources()
#Info
self._newobj()
self._out('<<')
self._putinfo()
self._out('>>')
self._out('endobj')
#Catalog
self._newobj()
self._out('<<')
self._putcatalog()
self._out('>>')
self._out('endobj')
#Cross-ref
o=len(self.buffer)
self._out('xref')
self._out('0 '+(str(self.n+1)))
self._out('0000000000 65535 f ')
for i in range(1,self.n+1):
self._out(sprintf('%010d 00000 n ',self.offsets[i]))
#Trailer
self._out('trailer')
self._out('<<')
self._puttrailer()
self._out('>>')
self._out('startxref')
self._out(o)
self._out('%%EOF')
self.state=3
def _beginpage(self, orientation):
self.page+=1
self.pages[self.page]=''
self.state=2
self.x=self.l_margin
self.y=self.t_margin
self.font_family=''
#Page orientation
if(not orientation):
orientation=self.def_orientation
else:
orientation=orientation[0].upper()
if(orientation!=self.def_orientation):
self.orientation_changes[self.page]=1
if(orientation!=self.cur_orientation):
#Change orientation
if(orientation=='P'):
self.w_pt=self.fw_pt
self.h_pt=self.fh_pt
self.w=self.fw
self.h=self.fh
else:
self.w_pt=self.fh_pt
self.h_pt=self.fw_pt
self.w=self.fh
self.h=self.fw
self.page_break_trigger=self.h-self.b_margin
self.cur_orientation=orientation
def _endpage(self):
#End of page contents
self.state=1
def _newobj(self):
#Begin a new object
self.n+=1
self.offsets[self.n]=len(self.buffer)
self._out(str(self.n)+' 0 obj')
def _dounderline(self, x,y,txt):
#Underline text
up=self.current_font['up']
ut=self.current_font['ut']
w=self.get_string_width(txt)+self.ws*txt.count(' ')
return sprintf('%.2f %.2f %.2f %.2f re f',x*self.k,(self.h-(y-up/1000.0*self.font_size))*self.k,w*self.k,-ut/1000.0*self.font_size_pt)
def _parsejpg(self, filename):
# Extract info from a JPEG file
try:
f = open(filename, 'rb')
while True:
markerHigh, markerLow = struct.unpack('BB', f.read(2))
if markerHigh != 0xFF or markerLow < 0xC0:
raise SyntaxError('No JPEG marker found')
elif markerLow == 0xDA: # SOS
raise SyntaxError('No JPEG SOF marker found')
elif (markerLow == 0xC8 or # JPG
(markerLow >= 0xD0 and markerLow <= 0xD9) or # RSTx
(markerLow >= 0xF0 and markerLow <= 0xFD)): # JPGx
pass
else:
dataSize, = struct.unpack('>H', f.read(2))
data = f.read(dataSize - 2) if dataSize > 2 else ''
if ((markerLow >= 0xC0 and markerLow <= 0xC3) or # SOF0 - SOF3
(markerLow >= 0xC5 and markerLow <= 0xC7) or # SOF4 - SOF7
(markerLow >= 0xC9 and markerLow <= 0xCB) or # SOF9 - SOF11
(markerLow >= 0xCD and markerLow <= 0xCF)): # SOF13 - SOF15
bpc, height, width, layers = struct.unpack_from('>BHHB', data)
colspace = 'DeviceRGB' if layers == 3 else ('DeviceCMYK' if layers == 4 else 'DeviceGray')
break
except Exception:
self.error('Missing or incorrect image file: %s. error: %s' % (filename, str(exception())))
# Read whole file from the start
f.seek(0)
data = f.read()
f.close()
return {'w':width,'h':height,'cs':colspace,'bpc':bpc,'f':'DCTDecode','data':data}
def _parsegif(self, filename):
# Extract info from a GIF file (via PNG conversion)
if Image is None:
self.error('PIL is required for GIF support')
try:
im = Image.open(filename)
except Exception:
self.error('Missing or incorrect image file: %s. error: %s' % (filename, str(exception())))
else:
# Use temporary file
f = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
tmp = f.name
f.close()
if "transparency" in im.info:
im.save(tmp, transparency = im.info['transparency'])
else:
im.save(tmp)
info = self._parsepng(tmp)
os.unlink(tmp)
return info
def _parsepng(self, name):
#Extract info from a PNG file
if name.startswith("http://") or name.startswith("https://"):
f = urlopen(name)
else:
f=open(name,'rb')
if(not f):
self.error("Can't open image file: "+name)
#Check signature
magic = f.read(8).decode("latin1")
signature = '\x89'+'PNG'+'\r'+'\n'+'\x1a'+'\n'
if not PY3K: signature = signature.decode("latin1")
if(magic!=signature):
self.error('Not a PNG file: '+name)
#Read header chunk
f.read(4)
chunk = f.read(4).decode("latin1")
if(chunk!='IHDR'):
self.error('Incorrect PNG file: '+name)
w=self._freadint(f)
h=self._freadint(f)
bpc=ord(f.read(1))
if(bpc>8):
self.error('16-bit depth not supported: '+name)
ct=ord(f.read(1))
if(ct==0 or ct==4):
colspace='DeviceGray'
elif(ct==2 or ct==6):
colspace='DeviceRGB'
elif(ct==3):
colspace='Indexed'
else:
self.error('Unknown color type: '+name)
if(ord(f.read(1))!=0):
self.error('Unknown compression method: '+name)
if(ord(f.read(1))!=0):
self.error('Unknown filter method: '+name)
if(ord(f.read(1))!=0):
self.error('Interlacing not supported: '+name)
f.read(4)
dp='/Predictor 15 /Colors '
if colspace == 'DeviceRGB':
dp+='3'
else:
dp+='1'
dp+=' /BitsPerComponent '+str(bpc)+' /Columns '+str(w)+''
#Scan chunks looking for palette, transparency and image data
pal=''
trns=''
data=bytes() if PY3K else str()
n=1
while n != None:
n=self._freadint(f)
type=f.read(4).decode("latin1")
if(type=='PLTE'):
#Read palette
pal=f.read(n)
f.read(4)
elif(type=='tRNS'):
#Read transparency info
t=f.read(n)
if(ct==0):
trns=[ord(substr(t,1,1)),]
elif(ct==2):
trns=[ord(substr(t,1,1)),ord(substr(t,3,1)),ord(substr(t,5,1))]
else:
pos=t.find('\x00'.encode("latin1"))
if(pos!=-1):
trns=[pos,]
f.read(4)
elif(type=='IDAT'):
#Read image data block
data+=f.read(n)
f.read(4)
elif(type=='IEND'):
break
else:
f.read(n+4)
if(colspace=='Indexed' and not pal):
self.error('Missing palette in '+name)
f.close()
info = {'w':w,'h':h,'cs':colspace,'bpc':bpc,'f':'FlateDecode','dp':dp,'pal':pal,'trns':trns,}
if(ct>=4):
# Extract alpha channel
data = zlib.decompress(data)
color = b('')
alpha = b('')
if(ct==4):
# Gray image
length = 2*w
for i in range(h):
pos = (1+length)*i
color += b(data[pos])
alpha += b(data[pos])
line = substr(data, pos+1, length)
re_c = re.compile('(.).'.encode("ascii"), flags=re.DOTALL)
re_a = re.compile('.(.)'.encode("ascii"), flags=re.DOTALL)
color += re_c.sub(lambda m: m.group(1), line)
alpha += re_a.sub(lambda m: m.group(1), line)
else:
# RGB image
length = 4*w
for i in range(h):
pos = (1+length)*i
color += b(data[pos])
alpha += b(data[pos])
line = substr(data, pos+1, length)
re_c = re.compile('(...).'.encode("ascii"), flags=re.DOTALL)
re_a = re.compile('...(.)'.encode("ascii"), flags=re.DOTALL)
color += re_c.sub(lambda m: m.group(1), line)
alpha += re_a.sub(lambda m: m.group(1), line)
del data
data = zlib.compress(color)
info['smask'] = zlib.compress(alpha)
if (self.pdf_version < '1.4'):
self.pdf_version = '1.4'
info['data'] = data
return info
def _freadint(self, f):
#Read a 4-byte integer from file
try:
return struct.unpack('>I', f.read(4))[0]
except:
return None
def _textstring(self, s):
#Format a text string
return '('+self._escape(s)+')'
def _escape(self, s):
#Add \ before \, ( and )
return s.replace('\\','\\\\').replace(')','\\)').replace('(','\\(').replace('\r','\\r')
def _putstream(self, s):
self._out('stream')
self._out(s)
self._out('endstream')
def _out(self, s):
#Add a line to the document
if PY3K and isinstance(s, bytes):
# manage binary data as latin1 until PEP461-like function is implemented
s = s.decode("latin1")
elif not PY3K and isinstance(s, unicode):
s = s.encode("latin1") # default encoding (font name and similar)
elif not isinstance(s, basestring):
s = str(s)
if(self.state==2):
self.pages[self.page]+=s+"\n"
else:
self.buffer+=s+"\n"
@check_page
def interleaved2of5(self, txt, x, y, w=1.0, h=10.0):
"Barcode I2of5 (numeric), adds a 0 if odd lenght"
narrow = w / 3.0
wide = w
# wide/narrow codes for the digits
bar_char={'0': 'nnwwn', '1': 'wnnnw', '2': 'nwnnw', '3': 'wwnnn',
'4': 'nnwnw', '5': 'wnwnn', '6': 'nwwnn', '7': 'nnnww',
'8': 'wnnwn', '9': 'nwnwn', 'A': 'nn', 'Z': 'wn'}
self.set_fill_color(0)
code = txt
# add leading zero if code-length is odd
if len(code) % 2 != 0:
code = '0' + code
# add start and stop codes
code = 'AA' + code.lower() + 'ZA'
for i in range(0, len(code), 2):
# choose next pair of digits
char_bar = code[i]
char_space = code[i+1]
# check whether it is a valid digit
if not char_bar in bar_char.keys():
raise RuntimeError ('Char "%s" invalid for I25: ' % char_bar)
if not char_space in bar_char.keys():
raise RuntimeError ('Char "%s" invalid for I25: ' % char_space)
# create a wide/narrow-seq (first digit=bars, second digit=spaces)
seq = ''
for s in range(0, len(bar_char[char_bar])):
seq += bar_char[char_bar][s] + bar_char[char_space][s]
for bar in range(0, len(seq)):
# set line_width depending on value
if seq[bar] == 'n':
line_width = narrow
else:
line_width = wide
# draw every second value, the other is represented by space
if bar % 2 == 0:
self.rect(x, y, line_width, h, 'F')
x += line_width
@check_page
def code39(self, txt, x, y, w=1.5, h=5.0):
"""Barcode 3of9"""
dim = {'w': w, 'n': w/3.}
chars = {
'0': 'nnnwwnwnn', '1': 'wnnwnnnnw', '2': 'nnwwnnnnw',
'3': 'wnwwnnnnn', '4': 'nnnwwnnnw', '5': 'wnnwwnnnn',
'6': 'nnwwwnnnn', '7': 'nnnwnnwnw', '8': 'wnnwnnwnn',
'9': 'nnwwnnwnn', 'A': 'wnnnnwnnw', 'B': 'nnwnnwnnw',
'C': 'wnwnnwnnn', 'D': 'nnnnwwnnw', 'E': 'wnnnwwnnn',
'F': 'nnwnwwnnn', 'G': 'nnnnnwwnw', 'H': 'wnnnnwwnn',
'I': 'nnwnnwwnn', 'J': 'nnnnwwwnn', 'K': 'wnnnnnnww',
'L': 'nnwnnnnww', 'M': 'wnwnnnnwn', 'N': 'nnnnwnnww',
'O': 'wnnnwnnwn', 'P': 'nnwnwnnwn', 'Q': 'nnnnnnwww',
'R': 'wnnnnnwwn', 'S': 'nnwnnnwwn', 'T': 'nnnnwnwwn',
'U': 'wwnnnnnnw', 'V': 'nwwnnnnnw', 'W': 'wwwnnnnnn',
'X': 'nwnnwnnnw', 'Y': 'wwnnwnnnn', 'Z': 'nwwnwnnnn',
'-': 'nwnnnnwnw', '.': 'wwnnnnwnn', ' ': 'nwwnnnwnn',
'*': 'nwnnwnwnn', '$': 'nwnwnwnnn', '/': 'nwnwnnnwn',
'+': 'nwnnnwnwn', '%': 'nnnwnwnwn',
}
self.set_fill_color(0)
for c in txt.upper():
if c not in chars:
raise RuntimeError('Invalid char "%s" for Code39' % c)
for i, d in enumerate(chars[c]):
if i % 2 == 0:
self.rect(x, y, dim[d], h, 'F')
x += dim[d]
x += dim['n']
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