FattView/fpdf/tutorial/tuto6.py


from fpdf import *
import re

class PDF(FPDF):
        def __init__(self, orientation='P',unit='mm',format='A4'):
            #Call parent constructor
            FPDF.__init__(self,orientation,unit,format)
            #Initialization
            self.b=0
            self.i=0
            self.u=0
            self.href=''
            self.page_links={}

        def write_html(self, html):
            #HTML parser
            html=html.replace("\n",' ')
            a=re.split('<(.*?)>',html)
            for i,e in enumerate(a):
                if(i%2==0):
                    #Text
                    if(self.href):
                        self.put_link(self.href,e)
                    else:
                        self.write(5,e)
                else:
                    #Tag
                    if(e[0]=='/'):
                        self.close_tag(e[1:].upper())
                    else:
                        #Extract attributes
                        attr={}
                        a2=e.split(' ')
                        tag=a2.pop(0).upper()
                        for v in a2:
                            a3 = re.findall('''^([^=]*)=["']?([^"']*)["']?''',v)[0]
                            if a3:
                                attr[a3[0].upper()]=a3[1]
                        self.open_tag(tag,attr)

        def open_tag(self, tag,attr):
            #Opening tag
            if(tag=='B' or tag=='I' or tag=='U'):
                self.set_style(tag,1)
            if(tag=='A'):
                self.href=attr['HREF']
            if(tag=='BR'):
                self.ln(5)

        def close_tag(self, tag):
            #Closing tag
            if(tag=='B' or tag=='I' or tag=='U'):
                self.set_style(tag,0)
            if(tag=='A'):
                self.href=''

        def set_style(self, tag,enable):
            #Modify style and select corresponding font
            t = getattr(self,tag.lower())
            if enable:
                t+=1
            else:
                t+=-1
            setattr(self,tag.lower(),t)
            style=''
            for s in ('B','I','U'):
                if(getattr(self,s.lower())>0):
                    style+=s
            self.set_font('',style)

        def put_link(self, url, txt):
            #Put a hyperlink
            self.set_text_color(0,0,255)
            self.set_style('U',1)
            self.write(5,txt,url)
            self.set_style('U',0)
            self.set_text_color(0)

html="""You can now easily print text mixing different
styles : <B>bold</B>, <I>italic</I>, <U>underlined</U>, or
<B><I><U>all at once</U></I></B>!<BR>You can also insert links
on text, such as <A HREF="http:#www.fpdf.org">www.fpdf.org</A>,
or on an image: click on the logo."""

pdf=PDF()
#First page
pdf.add_page()
pdf.set_font('Arial','',20)
pdf.write(5,'To find out what\'s new in self tutorial, click ')
pdf.set_font('','U')
link=pdf.add_link()
pdf.write(5,'here',link)
pdf.set_font('')
#Second page
pdf.add_page()
pdf.set_link(link)
pdf.image('logo.png',10,10,30,0,'','http:#www.fpdf.org')
pdf.set_left_margin(45)
pdf.set_font_size(14)
pdf.write_html(html)
pdf.output('tuto6.pdf','F')