def _add_page(doc, frame):
"""Adds the Faint frame (and all objects) as a page to the
document"""
frame_size = frame.get_size()
page_width, page_height = frame_size
scale_x = frame_size[0] / page_width
scale_y = frame_size[1] / page_height
stream = Stream()
meta = []
if not ifaint.one_color_bg(frame):
bmp = frame.get_bitmap()
w, h = bmp.get_size()
bg_name = doc.add_xobject(XObject(bmp.get_raw_rgb_string(), w, h))
stream.xobject(bg_name, 0, 0, page_width, page_height)
for obj in frame.get_objects():
obj_meta = object_to_stream(stream, obj, page_height, scale_x, scale_y)
meta.extend(obj_meta)
page_id = doc.add_page(page_width, page_height)
doc.add_comment("faint meta-data")
for entry in meta:
doc.add_comment(entry)
doc.add_comment("end of faint meta-data")
doc.add_stream(stream, page_id)
def write(path, canvas, prettyprint=False, embedRaster=False):
global numRast
numRast = 0
domImpl = xml.dom.getDOMImplementation()
docType = domImpl.createDocumentType(
"svg", "-//W3C//DTD SVG 1.1//EN",
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd")
doc = domImpl.createDocument("http://www.w3.org/2000/svg", "svg", docType)
size = canvas.get_size()
svg = doc.getElementsByTagName("svg")[0]
svg.setAttributeNode(createAttr(doc, "width", str(size[0])))
svg.setAttributeNode(createAttr(doc, "height", str(size[1])))
# Why must I do this for namespaces??
svg.setAttributeNode(createAttr(doc, "xmlns",
"http://www.w3.org/2000/svg"))
svg.setAttributeNode(
createAttr(doc, "xmlns:xlink", "http://www.w3.org/1999/xlink"))
svg.setAttributeNode(
createAttr(doc, "xmlns:faint",
"http://www.code.google.com/p/faint-graphics-editor"))
svg.setAttributeNode(
createAttr(doc, "xmlns:svg", "http://www.w3.org/2000/svg"))
svg.appendChild(createDefsNode(doc))
if embedRaster:
creators["Raster"] = createRasterNodeEmbed
else:
creators["Raster"] = createRasterNode
# Save the background image if it is not single colored
if not ifaint.one_color_bg(canvas):
svg.appendChild(createBackgroundNode(doc, canvas))
else:
# Fixme: If the image is uniform, it could either mean the
# background color should be used for the SVG, or the
# background should be transparent. Use transparent bg for now
# (for transparency, add a way to remove the background layer)
pass
objects = canvas.get_objects()
try:
for object in objects:
func = creators.get(object.get_type(), createOther)
svg.appendChild(func(doc, object))
if path is None:
print doc.toprettyxml()
else:
svgFile = open(path, 'w')
if prettyprint:
svgFile.write(doc.toprettyxml(encoding="utf-8"))
else:
svgFile.write(doc.toxml(encoding="utf-8"))
except Exception, e:
print e
raise e
def create_background(image):
"""Creates a background color or image."""
return (create_background_color(image) if ifaint.one_color_bg(
image.get_frame()) else create_background_image(image))