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rasterizer.py
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rasterizer.py
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import argparse
import datetime
import tempfile
import sys
import os
import shlex
from createprn import printToFile
from rll import RllConvert
from PIL import Image,PcxImagePlugin
from mupdf import MuPdf
from serve import serve
SCALE=300.0/72.0
class PipeProducer(object):
def __init__(self, globalParms):
self.globalParms=globalParms
def getTmpName(self, prefix, suffix):
if prefix==None or prefix.startswith("*") or prefix=="":
f=tempfile.NamedTemporaryFile(delete=False,prefix=self.req.tmpPrefix, suffix="."+suffix, dir=os.getcwd())
ret=f.name
f.close()
else:
ret="%s%d%s"%(prefix, self.curPage, suffix)
return ret
def producePage(self):
self.muPdf.loadPage(self.curPage)
pngName=self.getTmpName(self.req.pngPrefix, "png")
self.muPdf.render(pngName, angle=self.req.angle, resolution=self.req.resolution, xDelta=self.req.xdelta, yDelta=self.req.ydelta, aaLevel=self.req.aalevel)
self.muPdf.freePage()
if self.req.pcxPrefix:
pcxName=self.getTmpName(self.req.pcxPrefix, "pcx")
im=Image.open(pngName)
im.save(pcxName)
if not self.req.keep:
os.unlink(pngName)
return pcxName
if self.req.rllPrefix:
rllName=self.getTmpName(self.req.rllPrefix, "rll")
RllConvert(pngName, rllName)
if not self.req.keep:
os.unlink(pngName)
return rllName
if self.req.printer:
prnName=self.getTmpName(self.req.prnPrefix, "prn")
if printToFile(pngName, self.req.printer, prnName):
if not self.req.keep:
os.unlink(pngName)
return prnName
else:
return ""
return pngName
def pipeMain(self):
try:
self.muPdf=MuPdf()
curVersion=None
curSource=None
parser=argparse.ArgumentParser(description="PDF Pipe Renderer", epilog="(C) Copyright 2013 by RSJ Software GmbH Germering. All rights reserved. Licensed under AGPL V3", fromfile_prefix_chars="@")
parser.add_argument("--angle", type=int, default=self.globalParms.angle, help="Rotation angle. Default: -90")
parser.add_argument("--resolution", type=int, default=self.globalParms.resolution, help="Resolution in dpi. Default: 300")
parser.add_argument("--printer", type=str, default=self.globalParms.printer, help="Printer name")
parser.add_argument("--page", type=int, default=self.globalParms.page,help="Page number (1-based). Default: 1")
parser.add_argument("--pdf", type=argparse.FileType(mode="rb"), help="PDF file")
parser.add_argument("--exit", type=bool, default=False, help="Exit")
parser.add_argument("--pngPrefix", type=str, default=self.globalParms.pngPrefix, help="PNG prefix")
parser.add_argument("--prnPrefix", type=str, default=self.globalParms.prnPrefix, help="PRN prefix")
parser.add_argument("--tmpPrefix", type=str, default=self.globalParms.tmpPrefix, help="Temp prefix")
parser.add_argument("--pcxPrefix", type=str, default=self.globalParms.pcxPrefix, help="PCX prefix")
parser.add_argument("--rllPrefix", type=str, default=self.globalParms.rllPrefix, help="RLL prefix")
parser.add_argument("--version", type=str, default="", help="Pdf Version")
parser.add_argument("--noauto", type=bool, default=False, help="No automatic advance to next page")
parser.add_argument("--keep", type=bool, default=self.globalParms.keep, help="Keep PNG")
parser.add_argument("--xdelta", type=int, default=self.globalParms.xdelta, help="xDelta in px")
parser.add_argument("--ydelta", type=int, default=self.globalParms.ydelta, help="yDelta in px")
parser.add_argument("--aalevel", type=int, default=self.globalParms.aalevel, help="Anti aliasing level")
while True:
reqString=sys.stdin.readline()
self.req=parser.parse_args(shlex.split(reqString))
if self.req.exit:
break
if curVersion!=self.req.version:
self.muPdf.close()
self.muPdf.load(self.req.pdf.read())
count=self.muPdf.getPageCount()
curVersion=self.req.version
self.curPage=None
if self.req.noauto or self.req.page!=self.curPage:
if self.req.page <=count:
self.curPage=self.req.page
result=self.producePage()
else:
result=""
sys.stdout.write(result+"\n")
sys.stdout.flush()
if not self.req.noauto:
if self.req.page+1<=count:
self.curPage=self.req.page+1
result=self.producePage()
except EOFError:
pass
def main():
parser=argparse.ArgumentParser(description="PDF Renderer", epilog="(C) Copyright 2013-2014 by RSJ Software GmbH Germering. All rights reserved. Licensed under AGPL V3", fromfile_prefix_chars="@")
subparsers=parser.add_subparsers(help="Subcommands")
parserPipe=subparsers.add_parser("pipe", help="Start as pipe server")
parserPipe.add_argument("--angle", type=int, default=-90, help="Rotation angle. Default: -90")
parserPipe.add_argument("--resolution", type=int, default=300, help="Resolution in dpi. Default: 300")
parserPipe.add_argument("--printer", type=str, default="Zebra 170XiII", help="Printer name")
parserPipe.add_argument("--page", type=int, default=1,help="Page number (1-based). Default: 1")
parserPipe.add_argument("--pngPrefix", type=str, default=None, help="PNG prefix")
parserPipe.add_argument("--prnPrefix", type=str, default=None, help="PRN prefix")
parserPipe.add_argument("--tmpPrefix", type=str, default=None, help="Temp prefix")
parserPipe.add_argument("--pcxPrefix", type=str, default=None, help="PCX prefix")
parserPipe.add_argument("--rllPrefix", type=str, default=None, help="RLL prefix")
parserPipe.add_argument("--keep", type=bool, default=False, help="Keep PNG")
parserPipe.add_argument("--xdelta", type=int, default=0, help="xDelta in px")
parserPipe.add_argument("--ydelta", type=int, default=0, help="yDelta in px")
parserPipe.add_argument("--aalevel", type=int, default=-1, help="Anti aliasing level")
parserPipe.set_defaults(func=pipe)
parserConvert=subparsers.add_parser("convert", help="Convert file")
parserConvert.add_argument("--angle", type=int, default=-90, help="Rotation angle")
parserConvert.add_argument("--resolution", type=int, default=300, help="Resolution in dpi")
parserConvert.add_argument("--xdelta", type=int, default=0, help="xDelta in px")
parserConvert.add_argument("--ydelta", type=int, default=0, help="yDelta in px")
parserConvert.add_argument("--maxWidth", type=int, default=0, help="Max width in px")
parserConvert.add_argument("--maxHeight", type=int, default=0, help="Max height in px")
parserConvert.add_argument("--colorSpace", type=str, default="DeviceGray",help="Color space")
parserConvert.add_argument("--aalevel", type=int, default=-1, help="Anti aliasing level")
parserConvert.add_argument("--prnPrefix", type=str, default=None, help="Output PRN prefix")
parserConvert.add_argument("--pcxPrefix", type=str, default=None, help="Output PCX prefix")
parserConvert.add_argument("--rllPrefix", type=str, default=None, help="Output RLL prefix")
parserConvert.add_argument("--printer", type=str, default="Zebra 170XiII", help="Printer name")
parserConvert.add_argument("inPdf", type=str, help="Input PDF file")
parserConvert.add_argument("outPng", type=str, help="Output PNG prefix")
parserConvert.set_defaults(func=convert)
parserServe=subparsers.add_parser("serve", help="Serve")
parserServe.add_argument("--port", type=int, default=8080, help="Server port")
parserServe.set_defaults(func=serve)
parms=parser.parse_args()
parms.func(parms)
def pipe(parms):
producer=PipeProducer(parms)
producer.pipeMain()
def convert(parms):
start=datetime.datetime.utcnow()
muPdf=MuPdf()
muPdf.open(parms.inPdf)
count=muPdf.getPageCount()
for i in range(1, count+1):
muPdf.loadPage(i)
pngName="%s%d.png" %(parms.outPng,i)
muPdf.render(pngName,angle=parms.angle, resolution=parms.resolution, xDelta=parms.xdelta, yDelta=parms.ydelta, aaLevel=parms.aalevel,maxWidth=parms.maxWidth, maxHeight=parms.maxHeight, colorSpace=parms.colorSpace)
if parms.pcxPrefix:
im=Image.open(pngName)
pcxName="%s%d.pcx" %(parms.pcxPrefix,i)
print pcxName
im.save(pcxName)
if parms.rllPrefix:
rllName="%s%d.rll" %(parms.rllPrefix,i)
print rllName
RllConvert(pngName, rllName)
if parms.prnPrefix:
prnName="%s%d.prn"%(parms.prnPrefix, i)
if parms.printer:
printToFile(pngName, parms.printer, prnName,)
muPdf.freePage()
muPdf.close()
muPdf.freeContext()
end=datetime.datetime.utcnow()
print end-start
if __name__=="__main__":
main()