Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-07-09 03:04:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

MOBI Output: When rasterizing svgs only compute style information when an actual svg image is present. Small speedup when converting large documents to MOBI.

Browse Source
This commit is contained in:
Kovid Goyal 2012-06-06 20:33:03 +05:30
parent 47896643ae
commit c508fbbce5
1 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/calibre/ebooks/oeb/transforms/rasterize.py
View File

@ -46,6 +46,7 @@ class SVGRasterizer(object):
def __call__(self, oeb, context):
oeb.logger.info('Rasterizing SVG images...')
self.stylizer_cache = {}
self.oeb = oeb
self.opts = context
self.profile = context.dest
@ -116,29 +117,35 @@ class SVGRasterizer(object):
elem.attrib[XLINK('href')] = data
return svg
def stylizer(self, item):
ans = self.stylizer_cache.get(item, None)
if ans is None:
ans = Stylizer(item.data, item.href, self.oeb, self.opts,
self.profile)
self.stylizer_cache[item] = ans
return ans
def rasterize_spine(self):
for item in self.oeb.spine:
html = item.data
stylizer = Stylizer(html, item.href, self.oeb, self.opts, self.profile)
self.rasterize_item(item, stylizer)
self.rasterize_item(item)
def rasterize_item(self, item, stylizer):
def rasterize_item(self, item):
html = item.data
hrefs = self.oeb.manifest.hrefs
for elem in xpath(html, '//h:img[@src]'):
src = urlnormalize(elem.attrib['src'])
image = hrefs.get(item.abshref(src), None)
if image and image.media_type == SVG_MIME:
style = stylizer.style(elem)
style = self.stylizer(item).style(elem)
self.rasterize_external(elem, style, item, image)
for elem in xpath(html, '//h:object[@type="%s" and @data]' % SVG_MIME):
data = urlnormalize(elem.attrib['data'])
image = hrefs.get(item.abshref(data), None)
if image and image.media_type == SVG_MIME:
style = stylizer.style(elem)
style = self.stylizer(item).style(elem)
self.rasterize_external(elem, style, item, image)
for elem in xpath(html, '//svg:svg'):
style = stylizer.style(elem)
style = self.stylizer(item).style(elem)
self.rasterize_inline(elem, style, item)
def rasterize_inline(self, elem, style, item):