# vim: set fileencoding=utf-8 :
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import os
import sys
import gtk
import array
from zenmapCore.Paths import Path
FORMAT_RGBA = 4
FORMAT_RGB = 3
def get_pixels_for_cairo_image_surface(pixbuf):
"""
This method return the image stride and a python array.ArrayType
containing the icon pixels of a gtk.gdk.Pixbuf that can be used by
cairo.ImageSurface.create_for_data() method.
"""
data = array.ArrayType('c')
format = pixbuf.get_rowstride() / pixbuf.get_width()
i = 0
j = 0
while i < len(pixbuf.get_pixels()):
b, g, r = pixbuf.get_pixels()[i:i+FORMAT_RGB]
if format == FORMAT_RGBA:
a = pixbuf.get_pixels()[i + FORMAT_RGBA - 1]
elif format == FORMAT_RGB:
a = '\xff'
else:
raise TypeError, 'unknown image format'
data[j:j+FORMAT_RGBA] = array.ArrayType('c', [r, g, b, a])
i += format
j += FORMAT_RGBA
return (FORMAT_RGBA * pixbuf.get_width(), data)
class Image:
"""
"""
def __init__(self, path=None):
"""
"""
self.__path = path
self.__cache = dict()
def set_path(self, path):
"""
"""
self.__path = path
def get_pixbuf(self, icon, image_type='png'):
"""
"""
if self.__path == None:
return False
if icon + image_type not in self.__cache.keys():
file = self.get_icon(icon, image_type)
self.__cache[icon + image_type] = gtk.gdk.pixbuf_new_from_file(file)
return self.__cache[icon + image_type]
def get_icon(self, icon, image_type='png'):
"""
"""
if self.__path == None:
return False
return os.path.join(self.__path, icon + "." + image_type)
class Pixmaps(Image):
"""
"""
def __init__(self):
"""
"""
Image.__init__(self, os.path.join(Path.pixmaps_dir, "radialnet"))
class Icons(Image):
"""
"""
def __init__(self):
"""
"""
Image.__init__(self, os.path.join(Path.pixmaps_dir, "radialnet"))
class Application(Image):
"""
"""
def __init__(self):
"""
"""
Image.__init__(self, os.path.join(Path.pixmaps_dir, "radialnet"))