a3c1af875b
* src/ImgManip.py: Seems to need the SIGCHLD handler resetting here
to prevent EINTR causing traceback.
svn: r1788
167 lines
4.6 KiB
Python
167 lines
4.6 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2003 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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import os
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import const
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import signal
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#-------------------------------------------------------------------------
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#
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# Check for the python imaging library
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#
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#-------------------------------------------------------------------------
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try:
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import PIL.Image
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import StringIO
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PIL.Image.init()
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no_pil = 0
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except:
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import popen2
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import gtk
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no_pil = 1
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class ImgManip:
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def __init__(self,source):
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self.src = source
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if no_pil:
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def size(self):
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img = gtk.gdk.pixbuf_new_from_file(self.src)
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return (img.get_width(),img.get_height())
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def fmt_thumbnail(self,dest,width,height,cnv):
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w = int(width)
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h = int(height)
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cmd = "%s -geometry %dx%d '%s' '%s:%s'" % (const.convert,w,h,self.src,cnv,dest)
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os.system(cmd)
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def fmt_convert(self,dest,cnv):
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cmd = "%s '%s' '%s:%s'" % (const.convert,self.src,cnv,dest)
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os.system(cmd)
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def fmt_data(self,cnv):
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cmd = "%s '%s' '%s:-'" % (const.convert,self.src,cnv)
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r,w = popen2.popen2(cmd)
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buf = r.read()
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r.close()
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w.close()
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return buf
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def fmt_scale_data(self,x,y,cnv):
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cmd = "%s -geometry %dx%d '%s' '%s:-'" % (const.convert,x,y,self.src,cnv)
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signal.signal (signal.SIGCHLD, signal.SIG_DFL)
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r,w = popen2.popen2(cmd)
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buf = r.read()
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r.close()
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w.close()
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return buf
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else:
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def size(self):
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return PIL.Image.open(self.src).size
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def fmt_thumbnail(self,dest,width,height,pil):
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im = PIL.Image.open(self.src)
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im.thumbnail((width,height))
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if im.mode != 'RGB':
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im.draft('RGB',im.size)
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im = im.convert("RGB")
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im.save(dest,pil.upper())
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def fmt_convert(self,dest,pil):
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im = PIL.Image.open(self.src)
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if im.mode != 'RGB':
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im.draft('RGB',im.size)
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im = im.convert("RGB")
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im.save(dest,pil.upper())
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def fmt_data(self,pil):
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g = StringIO.StringIO()
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im = PIL.Image.open(self.src)
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if im.mode != 'RGB':
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im.draft('RGB',im.size)
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im = im.convert("RGB")
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im.save(g,pil.upper())
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g.seek(0)
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buf = g.read()
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g.close()
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return buf
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def fmt_scale_data(self,x,y,pil):
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im = PIL.Image.open(self.src)
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im.thumbnail((x,y))
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if im.mode != 'RGB':
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im.draft('RGB',im.size)
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im = im.convert("RGB")
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return im.tostring(pil,"RGB")
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def jpg_thumbnail(self,dest,width,height):
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self.fmt_thumbnail(dest,width,height,"jpeg")
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def png_thumbnail(self,dest,width,height):
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self.fmt_thumbnail(dest,width,height,"png")
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def eps_thumbnail(self,dest,width,height):
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self.fmt_thumbnail(dest,width,height,"eps")
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def jpg_convert(self,dest):
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self.fmt_convert(dest,"jpeg")
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def png_convert(self,dest):
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self.fmt_convert(dest,"png")
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def eps_convert(self,dest):
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self.fmt_convert(dest,"eps")
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def jpg_data(self):
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return self.fmt_data("jpeg")
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def png_data(self):
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return self.fmt_data("png")
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def eps_data(self):
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return self.fmt_data("eps")
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def jpg_scale_data(self,x,y):
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return self.fmt_scale_data(x,y,"jpeg")
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def png_scale_data(self,x,y):
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return self.fmt_scale_data(x,y,"png")
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def eps_scale_data(self,x,y):
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return self.fmt_scale_data(x,y,"eps")
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if __name__ == "__main__":
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import sys
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img = ImgManip(sys.argv[1])
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img.jpg_thumbnail("foo.jpg",50,50)
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img.png_thumbnail("foo.png",50,50)
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img.eps_thumbnail("foo.eps",50,50)
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