def create_png_from_svg_string(svg, png_name):
svg = Parser.parse(svg)
logging.info('Image is {} by {}.'.format(svg.width, svg.height))
rast = Rasterizer()
buff = rast.rasterize(svg, svg.width, svg.height)
im = Image.frombytes('RGBA', (svg.width, svg.height), buff)
im.save(png_name)
def load_svg_icon(self, filename, color_1, bounding_box=None, scale=1.0, color_2=None, gradient=False):
""" Load monochrome SVG image with replaced color
:param filename: svg image file name
:param color_1: base icon hex color
:param bounding_box: image bounding box
:param scale: scale factor
:return: bitmap image rasterized from svg image
"""
filename += EXT_SVG
path = os.path.join(FOLDER_ICONS, filename)
t = path.replace('\\','/')
if color_2:
c_2 = "_" + color_2
else:
c_2 = ""
cache_path = t + "_" + str(scale) + "_" + color_1 + c_2
try:
i = self.image_cache[cache_path]
return (cache_path, i)
except KeyError:
pass
s = codecs.open(path, "r").read()
if gradient:
g = "url(#gradient)"
s = s.replace(SVG_DEFAULT_GRADIENT_COLOR_1, color_2)
s = s.replace(SVG_DEFAULT_GRADIENT_COLOR_2, color_1)
s = s.replace(SVG_DEFAULT_COLOR_1, g)
s = s.replace(SVG_DEFAULT_COLOR_2, g)
else:
if color_2:
s = s.replace(SVG_DEFAULT_COLOR_2, color_1)
s = s.replace(SVG_DEFAULT_COLOR_1, color_2)
else:
s = s.replace(SVG_DEFAULT_COLOR_1, color_1)
try:
bitmap_image = Parser.parse(s)
except:
logging.debug("Problem parsing file %s", path)
return None
if self.config[USAGE][USE_WEB]:
self.svg_cache[cache_path] = s
return self.scale_svg_image(cache_path, bitmap_image, bounding_box, scale)
def load_mono_svg_icon(self,
filename,
color,
bounding_box=None,
scale=1.0):
""" Load monochrome SVG image with replaced color
:param filename: svg image file name
:param color: base icon hex color
:param bounding_box: image bounding box
:param scale: scale factor
:return: bitmap image rasterized from svg image
"""
filename += EXT_SVG
path = os.path.join(FOLDER_ICONS, filename)
t = path.replace('\\', '/')
cache_path = t + "_" + str(scale) + "_" + color
try:
i = self.image_cache[cache_path]
return (cache_path, i)
except KeyError:
pass
s = codecs.open(path, "r").read()
s = s.replace(SVG_DEFAULT_COLOR, color)
try:
bitmap_image = Parser.parse(s)
except:
logging.debug("Problem parsing file %s", path)
return None
if self.config[USAGE][USE_WEB]:
self.svg_cache[cache_path] = s
return self.scale_svg_image(cache_path, bitmap_image, bounding_box,
scale)
def test_parse_str():
with open('tests/Londonhackspacelogo.svg') as s:
svg = Parser.parse(s.read())
assert isinstance(svg, SVG)