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pdfgenerator.py
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pdfgenerator.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os.path
import uuid
from reportlab.pdfgen import canvas
from reportlab.lib import utils
from reportlab.lib.units import cm
from reportlab.lib.colors import Color, red
from reportlab.pdfbase.pdfmetrics import stringWidth
class PDFGenerator(object):
def __init__(self, data, lang):
self.lang = lang
self.configuration = data.order
self.tube = data.tube
self.tubewidth = 30
self.offset = data.offset
self.summary = sorted(data.depths, key=lambda x: x)
self.cable = data.cable
self.connector = data.connector
self.parts = data.parts
self.amount = data.amount
self.filename = 't3p-config-' + str(uuid.uuid4()) + '.pdf'
self.font = "Helvetica"
self.font_bold = "Helvetica-Bold"
self.left = 50
self.leftelement = 55
self.center = 150
self.center_indented = 175
self.dina4 = (595, 842)
self.y = 700
self.y_decrease_small = 15
self.y_decrease = 25
self.length_legend = -85
self.depth_legend = 15
self.shrinkfactor = 0.8
self.rect_offset_x = 10
self.rect_offset_y = 10
self.rect_width = 400
self.rect_height = 25
def calc_image_relation(self, path, width=1*cm):
# Keeps the height-width relation of the image.
img = utils.ImageReader(path)
iw, ih = img.getSize()
aspect = ih / float(iw)
dimensions = (width, width * aspect)
return dimensions
def build(self):
c = canvas.Canvas(self.filename, pagesize=self.dina4)
c.setLineWidth(1.5)
c.setFont(self.font_bold, 12)
c.setFillColorCMYK(1, 0.5, 0.0, 0)
c.setStrokeColorCMYK(1, 0.5, 0.0, 0)
self.draw_header(c)
self.draw_heading(c)
self.draw_tubehead(c)
self.draw_groundline(c)
self.draw_tube(c)
self.draw_tubebottom(c)
self.draw_elements(c)
self.draw_data(c)
self.draw_footer(c)
c.showPage()
c.save()
return self.filename
def draw_header(self, canvas):
headerheight = 100
ypos = self.dina4[1] - headerheight
canvas.drawImage(
'static/head.jpg', 0, ypos, width=self.dina4[0],
height=headerheight)
def draw_footer(self, canvas):
canvas.saveState()
footerwidth = self.dina4[0] - (2 * self.left)
canvas.setFillColorCMYK(1, 0.5, 0, 0)
canvas.rect(0, 0, width=self.dina4[0], height=50, fill=True)
canvas.setFillColorCMYK(0, 0, 0, 0)
canvas.setFont(self.font_bold, 14)
x = self.dina4[0]/2
canvas.drawCentredString(x, 25, 'www.imko.de')
canvas.linkURL('http://www.imko.de', (0, 50, self.dina4[1], 0))
canvas.restoreState()
def draw_heading(self, canvas):
text = {'de': 'T3P-Konfiguration', 'en': 'T3P-Configuration'}
canvas.saveState()
canvas.setFont(self.font_bold, 14)
canvas.setFillColorRGB(255, 255, 255)
x = self.dina4[0]/2
canvas.drawCentredString(x, 800, text[self.lang])
canvas.restoreState()
def draw_tubehead(self, canvas):
self.add_depth_legend(canvas, 650, 0)
self.add_length_legend(canvas, 650, self.offset)
canvas.drawImage(
'static/PROFILE_top.png', self.left, 650, width=self.tubewidth,
height=40*self.shrinkfactor, mask='auto')
def draw_groundline(self, canvas):
ypos = 650
canvas.line(10, ypos, 100, ypos)
def draw_tube(self, canvas):
ypos = 650 - self.tube * 2 * self.shrinkfactor
canvas.drawImage(
'static/PROFILE_leer_100.png', self.left, ypos,
width=self.tubewidth, height=self.tube*2*self.shrinkfactor,
mask='auto')
self.tubebottom = ypos
def draw_tubebottom(self, canvas):
ypos = self.tubebottom - 40*self.shrinkfactor
canvas.drawImage(
'static/PROFILE_bottom.png', self.left, ypos,
width=self.tubewidth, height=40*self.shrinkfactor, mask='auto')
def draw_elements(self, canvas):
imagedict = {
'probe':
{
'image': 'static/probe.png',
'displayheight': 38,
'height': 20
},
'spacer10':
{
'image': 'static/spacer10.png',
'displayheight': 18,
'height': 10
},
'spacer30':
{
'image': 'static/spacer30.png',
'displayheight': 58,
'height': 30
},
'spacer80':
{
'image': 'static/spacer80.png',
'displayheight': 158,
'height': 80
}
}
depthindex = len(self.summary) - 1
y = self.tubebottom
for i in (self.configuration):
image = imagedict[i]['image']
canvas.drawImage(
image, self.leftelement, y, width=20,
height=imagedict[i]['displayheight']*self.shrinkfactor)
self.add_length_legend(
canvas, y + (imagedict[i]['displayheight']/3),
imagedict[i]['height'])
if i == 'probe':
self.add_depth_legend(
canvas, y + (imagedict[i]['displayheight']/2),
self.summary[depthindex])
depthindex -= 1
y += 2
y += imagedict[i]['displayheight']*self.shrinkfactor
def draw_data(self, canvas):
self.draw_intro_text(canvas)
self.draw_summary(canvas)
self.y -= self.y_decrease_small
self.draw_tubelength(canvas)
self.y -= self.y_decrease_small
self.draw_tubeoffset(canvas)
self.y -= self.y_decrease_small
self.draw_cable(canvas)
self.y -= self.y_decrease_small
self.draw_connector(canvas)
self.y -= self.y_decrease_small
self.draw_parts(canvas)
self.y -= self.y_decrease_small
self.draw_amount(canvas)
self.y -= self.y_decrease_small
self.draw_todo_text(canvas)
def draw_intro_text(self, canvas):
txt = {
'de': 'Durch die gewählten Messpunkte ergab sich folgende \
Konfiguration:',
'en': 'Given measuring points lead to the following \
configuration:'}
canvas.drawString(self.center, self.y, txt[self.lang])
self.y -= 2*self.y_decrease
def draw_todo_text(self, canvas):
txt = {
'de': 'PDF via Email an info@imko.de Betreff: T3P Konfiguration.',
'en': 'PDF via Email to info@imko.de Subject: T3P Configuration'}
txt2 = {
'de': 'Fügen Sie Ihre PICO-PROFILE T3PN Konfiguration der E-Mail \
bei.',
'en': 'Attach your PICO-PROFILE T3PN configuration to the E-Mail.'
}
canvas.drawString(self.center, 100, txt[self.lang])
canvas.drawString(self.center, 75, txt2[self.lang])
canvas.rect(
self._rect_x(self.center), self._rect_y(75),
self.rect_width, self.rect_height*2)
mailto = 'mailto:info@imko.de?subject=T3p-Konfiguration'
canvas.linkURL(mailto, (self._rect_x(self.center), self._rect_y(75),
self._rect_x(self.center) + self.rect_width,
self._rect_y(75) + self.rect_height*2))
canvas.line(248, 97, 330, 97)
self.y -= self.y_decrease
def draw_summary(self, canvas):
txt = {'de': 'Ihre Messpunkte:', 'en': 'Your measuring points:'}
canvas.drawString(self.center, self.y, txt[self.lang])
self.y -= self.y_decrease
for i in self.summary:
text = "{0}. {1}cm".format(self.summary.index(i) + 1, i)
canvas.drawString(self.center_indented, self.y, text)
self.y -= self.y_decrease_small
canvas.rect(
self._rect_x(self.center),
self._rect_y(self.y + self.y_decrease_small),
self.rect_width,
self.rect_height+(len(self.summary)*self.y_decrease_small)
+ self.y_decrease)
self.y -= 10
def draw_parts(self, canvas):
txt = {'de': 'Verbaute Teile:', 'en': 'Installed parts:'}
canvas.drawString(self.center, self.y, txt[self.lang])
self.y -= self.y_decrease
partsdict = {
'probe': {'de': u'PICO-T3P', 'en': u'PICO-T3P'},
'spacer10': {'de': u'Platzhalter 10cm', 'en': u'Spacer 10cm'},
'spacer30': {'de': u'Platzhalter 30cm', 'en': u'Spacer 30cm'},
'spacer80': {'de': u'Platzhalter 80cm', 'en': u'Spacer 80cm'}
}
for i in sorted(self.parts):
text = '{0} x {1}'.format(self.parts[i], partsdict[i][self.lang])
canvas.drawString(self.center_indented, self.y, text)
self.y -= self.y_decrease
canvas.rect(
self._rect_x(self.center), self._rect_y(self.y + self.y_decrease),
self.rect_width, self.rect_height*(len(self.parts)+1))
def draw_tubelength(self, canvas):
txt = {'de': 'Rohrlänge: {0}cm', 'en': 'Tubelength: {0}cm'}
txt = txt[self.lang].format(self.tube)
canvas.drawString(self.center, self.y, txt)
canvas.rect(
self._rect_x(self.center), self._rect_y(self.y), self.rect_width,
self.rect_height)
self.y -= self.y_decrease
def draw_tubeoffset(self, canvas):
txt = {'de': 'Rohrüberstand: {0}cm', 'en': 'Clearance: {0}cm'}
txt = txt[self.lang].format(self.offset)
canvas.drawString(self.center, self.y, txt)
canvas.rect(
self._rect_x(self.center), self._rect_y(self.y), self.rect_width,
self.rect_height)
self.y -= self.y_decrease
def draw_cable(self, canvas):
txt = {'de': 'Kabellänge: {0}', 'en': 'Cablelength: {0}'}
txt = txt[self.lang].format(self.cable)
canvas.drawString(self.center, self.y, txt)
canvas.rect(
self._rect_x(self.center), self._rect_y(self.y), self.rect_width,
self.rect_height)
self.y -= self.y_decrease
def draw_connector(self, canvas):
txt = {'de': 'Anschluss: {0}', 'en': 'Connector: {0}'}
txt = txt[self.lang].format(self.connector)
canvas.drawString(self.center, self.y, txt)
canvas.rect(
self._rect_x(self.center), self._rect_y(self.y), self.rect_width,
self.rect_height)
self.y -= self.y_decrease
def draw_amount(self, canvas):
txt = {'de': 'Stückzahl: {0}', 'en': 'Amount: {0}'}
txt = txt[self.lang].format(self.amount)
canvas.drawString(self.center, self.y, txt)
canvas.rect(
self._rect_x(self.center), self._rect_y(self.y), self.rect_width,
self.rect_height)
self.y -= self.y_decrease
def add_length_legend(self, canvas, y, text):
canvas.saveState()
canvas.setFont(self.font, 10)
canvas.rotate(90)
canvas.drawString(y, self.length_legend, str(text))
canvas.restoreState()
def add_depth_legend(self, canvas, y, text):
canvas.saveState()
canvas.setFont(self.font, 10)
canvas.drawString(self.depth_legend, y, str(text) + 'cm')
canvas.restoreState()
def _rect_x(self, x):
return x - self.rect_offset_x
def _rect_y(self, y):
return y - self.rect_offset_y