def extract_raster_image(wmf_data):
try:
wmf, wmf_err = plugins['wmf']
except KeyError:
raise Unavailable('libwmf not available on this platform')
if wmf_err:
raise Unavailable(wmf_err)
if iswindows:
import sys, os
appdir = sys.app_dir
if isinstance(appdir, unicode):
appdir = appdir.encode(filesystem_encoding)
fdir = os.path.join(appdir, 'wmffonts')
wmf.set_font_dir(fdir)
data = ''
with TemporaryDirectory('wmf2png') as tdir:
with CurrentDir(tdir):
wmf.render(wmf_data)
images = list(sorted(glob.glob('*.png')))
if not images:
raise NoRaster('No raster images in WMF')
data = open(images[0], 'rb').read()
im = Image()
im.load(data)
pw = PixelWand()
pw.color = '#ffffff'
im.rotate(pw, 180)
return im.export('png')
def extract_raster_image(wmf_data):
try:
wmf, wmf_err = plugins['wmf']
except KeyError:
raise Unavailable('libwmf not available on this platform')
if wmf_err:
raise Unavailable(wmf_err)
if iswindows:
import sys, os
appdir = sys.app_dir
if isinstance(appdir, unicode):
appdir = appdir.encode(filesystem_encoding)
fdir = os.path.join(appdir, 'wmffonts')
wmf.set_font_dir(fdir)
data = ''
with TemporaryDirectory('wmf2png') as tdir:
with CurrentDir(tdir):
wmf.render(wmf_data)
images = list(sorted(glob.glob('*.png')))
if not images:
raise NoRaster('No raster images in WMF')
data = open(images[0], 'rb').read()
im = Image()
im.load(data)
pw = PixelWand()
pw.color = '#ffffff'
im.rotate(pw, 180)
return im.export('png')
