2019년 2월 23일 토요일

[Python] PDF Library Wrappers


pypdf.py

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######################################################################
# PDF Library
######################################################################
#https://pyfpdf.readthedocs.io/en/latest/ReferenceManual/index.html

from fpdf import FPDF

class PDF(FPDF): #override header and footer
    
    def __init__(self,orientation='P', unit='pt', pagesize='A4'):
        super(PDF,self).__init__(orientation=orientation, unit=unit, format=pagesize)
        self.set_margins(self.l_margin*2, self.t_margin*2, self.r_margin*2)
        #default margin: 28.35, 28.35, 28.35, 28.35*2
        
    def header(self,logo=None, title=None):
        if logo is not None:
            self.image(logo, 10, 8, 33)
        self.set_font('Arial', 'B', 15)        
        self.cell(80) # Move to the right
        if title is not None:
            self.cell(30, 10, 'Title', align='R')
        self.ln(20) # Line break
        self.line( self.l_margin, self.t_margin, self.w - self.r_margin, self.t_margin )

    def footer(self):
        self.set_y(-56) 
        self.set_font('Arial', 'I', 8)
        self.cell(0, 28, '- ' + str(self.page_no()) + ' -', align='C')
        self.line( self.l_margin, self.h - self.b_margin, self.w - self.r_margin, self.h - self.b_margin )

class pypdf():
    
    def __init__(self, orientation='P', unit='pt', pagesize='A4'):
        '''
        pypdf(orientation='P', unit='pt', format='A4'
            - orientation: 'P', 'L'
            - unit: 'pt', 'mm', 'cm', 'in', 
            - format: 
              - A3 (841.89,1190.55)
              - A4 (595.28,841.89)
              - A5 (420.94,595.28)
              - Letter (612,792)
              - Legal (612,1008)
        '''
        self.pdf = PDF(orientation=orientation,unit=unit,pagesize=pagesize)
        
    def save(self,filename):
        self.pdf.output(name=filename,dest='F')

    def saveToString(self):
        return self.pdf.output(dest='S')
        
    def addPage(self,orientation=''):
        self.pdf.add_page(orientation=orientation)
        
    def getPageWidth(self):
        return self.pdf.w
    
    def getPageHeight(self):
        return self.pdf.h
    
    def setXY(self,x,y):
        self.pdf.set_xy(x,y)

    def setX(self,x):
        self.pdf.set_x(x)

    def setY(self,y):
        self.pdf.set_y(y)

    def dumpPageInfo(self):
        print( "w: ", self.pdf.w, self.pdf.w_pt)
        print( "h: ", self.pdf.h, self.pdf.h_pt)
        print( "ltrb: ", self.pdf.l_margin, self.pdf.t_margin, self.pdf.r_margin, self.pdf.b_margin)
        
    def setFont(self,font="Arial",size=12):
        #set_font(self, family,style='',size=0):
        ''' family
        self.core_fonts={'courier': 'Courier',
        'courierB': 'Courier-Bold',
        'courierBI': 'Courier-BoldOblique',
        'courierI': 'Courier-Oblique',
        'helvetica': 'Helvetica',
        'helveticaB': 'Helvetica-Bold', 
        'helveticaBI': 'Helvetica-BoldOblique',
        'helveticaI': 'Helvetica-Oblique',
        'symbol': 'Symbol',
        'times': 'Times-Roman',
        'timesB': 'Times-Bold',
        'timesBI': 'Times-BoldItalic',
        'timesI': 'Times-Italic',
        'zapfdingbats': 'ZapfDingbats'}
        '''
        #style: B, I, BI, U
        self.pdf.set_font(font,size=size)
    
    def setFontSize(self,size):
        return self.pdf.set_font_size(size)
    
    def getFontSize(self):
        return self.pdf.font_size
        
    def setTextColor(self,color=[0,0,0]):
        self.pdf.set_text_color(color[0], color[1], color[2])
        
    def setFillColor(self,color=[0,0,0]):
        self.pdf.set_fill_color(color[0], color[1], color[2])
    
    def getStringWidth(self,text):
        return self.pdf.get_string_width(text)
        
    def printText(self,text):
        #cell(self, w,h=0,txt='',border=0,ln=0,align='',fill=0,link=''):
        #align: 'L','C','R'
        text_width = self.pdf.get_string_width(text)
        field_width = self.pdf.w - self.pdf.r_margin 
        if text_width > field_width:
            self.pdf.ln()
        self.pdf.cell(text_width, 
                      self.pdf.font_size, txt=text, ln=0,
                      align='L', border=0, fill=False)
       
    def printTextLn(self,text):
        self.printText(text)
        self.pdf.ln()
        
    def setLineWidth(self,width):
        self.pdf.set_line_width(width)
    
    def printLine(self):
        #fpdf.line(x1, y1, x2, y2)
        #TODO self.pdf.line(self.pdf.l_margin, )
        pass
    
    def printImage(self,filename,w_percent=0):
        #fpdf.image(name, x = None, y = None, w = 0, h = 0, type = '', link = '')
        width = user_width = self.pdf.w - self.pdf.l_margin - self.pdf.r_margin
        if w_percent > 0:
            width = int(user_width * w_percent / 100)
        self.pdf.image(filename,w=width)
        
    def printTable(self,data,spacing=4):
        '''
        data = [['First Name', 'Last Name', 'email', 'zip'],
                ['Mike', 'Driscoll', 'mike@somewhere.com', '55555'],
                ['John', 'Doe', 'jdoe@doe.com', '12345'],
                ['Nina', 'Ma', 'inane@where.com', '54321']
                ]
        '''
        col_width = pdf.w / 4.5
        row_height = pdf.font_size
        for row in data:
            for item in row:
                pdf.cell(col_width, row_height*spacing,
                         txt=item, border=1)
            pdf.ln(row_height*spacing)
     
        pdf.output('simple_table.pdf')
        

######################################################################
# PDF Test Example
######################################################################
  
def test():
    pdf = FPDF()
    pdf.add_page()
    pdf.set_font("Arial", size=12)
    pdf.cell(200, 10, txt="Welcome to Python!", ln=1, align="C")
    pdf.output("a.pdf")
    
def pdfCreationTest():
    pdf = pypdf()
    pdf.addPage()
    pdf.dumpPageInfo()
    pdf.setFont()
    pdf.setFillColor([255,255,0])
    pdf.printText("Welcome1")
    pdf.printTextLn("Welcome2")
    pdf.printTextLn("Welcome3")
    pdf.printTextLn("Welcome Write")
    pdf.printTextLn("")
    pdf.printImage("D:/line.png", w_percent=80)
    pdf.save('a.pdf')
    #print(pdf.saveToString())
 
def create_pdf(pdf_path):
    pdf = FPDF()
    # Create the special value {nb}
    #pdf.alias_nb_pages()
    pdf.add_page()
    pdf.set_font('Times', '', 12)
    line_no = 1
    for i in range(50):
        pdf.cell(0, 6, txt="Line #{}".format(line_no), border=1, ln=1)
        line_no += 1
    pdf.output(pdf_path)
   
def simple_table(spacing=1):
    data = [['First Name', 'Last Name', 'email', 'zip'],
            ['Mike', 'Driscoll', 'mike@somewhere.com', '55555'],
            ['John', 'Doe', 'jdoe@doe.com', '12345'],
            ['Nina', 'Ma', 'inane@where.com', '54321']
            ]
 
    pdf = FPDF()
    pdf.set_font("Arial", size=12)
    pdf.add_page()
 
    col_width = pdf.w / 4.5
    row_height = pdf.font_size
    for row in data:
        for item in row:
            pdf.cell(col_width, row_height*spacing,
                     txt=item, border=1)
        pdf.ln(row_height*spacing)
 
    pdf.output('simple_table.pdf')

######################################################################
# MAIN Example
######################################################################

if __name__ == "__main__":
    pdfCreationTest()
    #test()
    #create_pdf('c.pdf')
    #simple_table()
        

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