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Fix bug in font-size-mapping algorithm.

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This commit is contained in:
Marshall T. Vandegrift 2009-01-10 00:28:56 -05:00
parent 56a64e1540
commit 0815098cf8
3 changed files with 24 additions and 11 deletions
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12
src/calibre/ebooks/html.py
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@ -796,7 +796,17 @@ class Processor(Parser):
setting = ''
face = font.attrib.pop('face', None)
if face is not None:
setting += 'font-face:%s;'%face
faces = []
for face in face.split(','):
if ' ' in face:
face = "%s" % face
faces.append(face)
for generic in ('serif', 'sans-serif', 'monospace'):
if generic in faces:
break
else:
faces.append('serif')
setting += 'font-family:%s;'% ', '.join(faces)
color = font.attrib.pop('color', None)
if color is not None:
setting += 'color:%s'%color

2
src/calibre/ebooks/oeb/profile.py
View File

@ -42,7 +42,7 @@ PROFILES = {
# Not really, but let's pretend
'MobiDesktop':
Profile(width=280, height=300, dpi=96, fbase=18,
fsizes=[14, 14, 16, 18, 20, 22, 22, 24]),
fsizes=[14, 14, 16, 18, 20, 22, 24, 26]),
# No clue on usable screen size and DPI
'CybookG3':

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

@ -33,12 +33,13 @@ class KeyMapper(object):
def relate(size, base):
size = float(size)
base = float(base)
if size == base: return 0
if abs(size - base) < 0.1: return 0
sign = -1 if size < base else 1
endp = 0 if size < base else 36
diff = (abs(base - size) * 3) + ((36 - size) / 100)
logb = abs(base - endp)
return sign * math.log(diff, logb)
result = sign * math.log(diff, logb)
return result
def __getitem__(self, ssize):
if ssize in self.cache:
@ -122,6 +123,8 @@ class CSSFlattener(object):
fsize = self.context.source.fbase
self.baseline_node(body, stylizer, sizes, fsize)
sbase = max(sizes.items(), key=operator.itemgetter(1))[0]
self.oeb.logger.info(
"Source base font size is %0.05fpt" % sbase)
return sbase
def clean_edges(self, cssdict, style, fsize):
@ -154,14 +157,14 @@ class CSSFlattener(object):
if node.tag == XHTML('font'):
node.tag = XHTML('span')
if 'size' in node.attrib:
size = node.attrib['size']
if size.startswith('+'):
cssdict['font-size'] = 'larger'
elif size.startswith('-'):
cssdict['font-size'] = 'smaller'
else:
size = node.attrib['size'].strip()
if size:
fnums = self.context.source.fnums
cssdict['font-size'] = fnums[int(size)]
if size[0] in ('+', '-'):
# Oh, the warcrimes
cssdict['font-size'] = fnums[3+int(size)]
else:
cssdict['font-size'] = fnums[int(size)]
del node.attrib['size']
if 'color' in node.attrib:
cssdict['color'] = node.attrib['color']