mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-09 03:04:10 -04:00
Fix #3606 (LRF Reader fails to open file which opens in PRS-500 and 505)
This commit is contained in:
Kovid Goyal
parent
91df0ad326
commit
7d41e55dca
@ -23,12 +23,12 @@ class PixmapItem(QGraphicsPixmapItem):
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w, h = p.width(), p.height()
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p = p.copy(x0, y0, min(w, x1-x0), min(h, y1-y0))
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if p.width() != xsize or p.height() != ysize:
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p = p.scaled(xsize, ysize, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
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p = p.scaled(xsize, ysize, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
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QGraphicsPixmapItem.__init__(self, p)
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self.height, self.width = ysize, xsize
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self.setTransformationMode(Qt.SmoothTransformation)
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self.setShapeMode(QGraphicsPixmapItem.BoundingRectShape)
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def resize(self, width, height):
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p = self.pixmap()
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self.setPixmap(p.scaled(width, height, Qt.IgnoreAspectRatio, Qt.SmoothTransformation))
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@ -36,7 +36,7 @@ class PixmapItem(QGraphicsPixmapItem):
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class Plot(PixmapItem):
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def __init__(self, plot, dpi):
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img = plot.refobj
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xsize, ysize = dpi*plot.attrs['xsize']/720., dpi*plot.attrs['ysize']/720.
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@ -46,19 +46,19 @@ class Plot(PixmapItem):
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class FontLoader(object):
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font_map = {
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'Swis721 BT Roman' : 'Liberation Sans',
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'Dutch801 Rm BT Roman' : 'Liberation Serif',
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'Courier10 BT Roman' : 'Liberation Mono',
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}
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def __init__(self, font_map, dpi):
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self.face_map = {}
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self.cache = {}
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self.dpi = dpi
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self.face_map = font_map
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def font(self, text_style):
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device_font = text_style.fontfacename in FONT_MAP
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try:
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@ -68,7 +68,7 @@ class FontLoader(object):
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face = self.face_map[text_style.fontfacename]
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except KeyError: # Bad fontfacename field in LRF
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face = self.font_map['Dutch801 Rm BT Roman']
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sz = text_style.fontsize
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wt = text_style.fontweight
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style = text_style.fontstyle
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@ -76,37 +76,37 @@ class FontLoader(object):
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if font in self.cache:
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rfont = self.cache[font]
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else:
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italic = font[2] == QFont.StyleItalic
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italic = font[2] == QFont.StyleItalic
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rfont = QFont(font[0], font[3], font[1], italic)
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rfont.setPixelSize(font[3])
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rfont.setBold(wt>=69)
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self.cache[font] = rfont
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qfont = rfont
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if text_style.emplinetype != 'none':
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qfont = QFont(rfont)
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qfont = QFont(rfont)
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qfont.setOverline(text_style.emplineposition == 'before')
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qfont.setUnderline(text_style.emplineposition == 'after')
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return qfont
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class Style(object):
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map = collections.defaultdict(lambda : NULL)
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def __init__(self, style, dpi):
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self.fdpi = dpi/720.
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self.update(style.as_dict())
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def update(self, *args, **kwds):
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if len(args) > 0:
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kwds = args[0]
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for attr in kwds:
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setattr(self, attr, self.__class__.map[attr](kwds[attr], self.fdpi))
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def copy(self):
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return copy.copy(self)
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class TextStyle(Style):
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map = collections.defaultdict(lambda : NULL,
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fontsize = operator.mul,
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fontwidth = operator.mul,
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@ -121,9 +121,9 @@ class TextStyle(Style):
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parskip = operator.mul,
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textlinewidth = operator.mul,
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charspace = operator.mul,
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linecolor = COLOR,
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linecolor = COLOR,
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)
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def __init__(self, style, font_loader, ruby_tags):
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self.font_loader = font_loader
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self.fontstyle = QFont.StyleNormal
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@ -131,38 +131,38 @@ class TextStyle(Style):
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setattr(self, attr, ruby_tags[attr])
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Style.__init__(self, style, font_loader.dpi)
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self.emplinetype = 'none'
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self.font = self.font_loader.font(self)
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self.font = self.font_loader.font(self)
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def update(self, *args, **kwds):
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Style.update(self, *args, **kwds)
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self.font = self.font_loader.font(self)
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class BlockStyle(Style):
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map = collections.defaultdict(lambda : NULL,
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bgcolor = COLOR,
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framecolor = COLOR,
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)
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class ParSkip(object):
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def __init__(self, parskip):
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self.height = parskip
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def __str__(self):
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return 'Parskip: '+str(self.height)
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class TextBlock(object):
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class HeightExceeded(Exception):
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pass
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has_content = property(fget=lambda self: self.peek_index < len(self.lines)-1)
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XML_ENTITIES = dict(zip(Tag.XML_SPECIAL_CHARS_TO_ENTITIES.values(), Tag.XML_SPECIAL_CHARS_TO_ENTITIES.keys()))
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XML_ENTITIES = dict(zip(Tag.XML_SPECIAL_CHARS_TO_ENTITIES.values(), Tag.XML_SPECIAL_CHARS_TO_ENTITIES.keys()))
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XML_ENTITIES["quot"] = '"'
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def __init__(self, tb, font_loader, respect_max_y, text_width, logger,
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def __init__(self, tb, font_loader, respect_max_y, text_width, logger,
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opts, ruby_tags, link_activated):
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self.block_id = tb.id
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self.bs, self.ts = BlockStyle(tb.style, font_loader.dpi), \
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@ -182,37 +182,37 @@ class TextBlock(object):
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self.max_y = self.bs.blockheight if (respect_max_y or self.bs.blockrule.lower() in ('vert-fixed', 'block-fixed')) else sys.maxint
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self.height = 0
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self.peek_index = -1
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try:
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self.populate(tb.content)
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self.end_line()
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except TextBlock.HeightExceeded, err:
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pass
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#logger.warning('TextBlock height exceeded, skipping line:\n%s'%(err,))
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def peek(self):
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return self.lines[self.peek_index+1]
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def commit(self):
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self.peek_index += 1
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def reset(self):
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self.peek_index = -1
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def create_link(self, refobj):
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if self.current_line is None:
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self.create_line()
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self.current_line.start_link(refobj, self.link_activated)
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self.link_activated(refobj, on_creation=True)
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def end_link(self):
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if self.current_line is not None:
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self.current_line.end_link()
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def close_valign(self):
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if self.current_line is not None:
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self.current_line.valign = None
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def populate(self, tb):
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self.create_line()
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open_containers = collections.deque()
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@ -221,7 +221,7 @@ class TextBlock(object):
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if isinstance(i, basestring):
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self.process_text(i)
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elif i is None:
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if len(open_containers) > 0:
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if len(open_containers) > 0:
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for a, b in open_containers.pop():
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if callable(a):
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a(*b)
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@ -229,9 +229,9 @@ class TextBlock(object):
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setattr(self, a, b)
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elif i.name == 'P':
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open_containers.append((('in_para', False),))
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self.in_para = True
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self.in_para = True
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elif i.name == 'CR':
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if self.in_para:
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if self.in_para:
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self.end_line()
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self.create_line()
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else:
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@ -243,10 +243,10 @@ class TextBlock(object):
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self.first_line = True
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elif i.name == 'Span':
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open_containers.append((('current_style', self.current_style.copy()),))
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self.current_style.update(i.attrs)
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self.current_style.update(i.attrs)
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elif i.name == 'CharButton':
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open_containers.append(((self.end_link, []),))
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self.create_link(i.attrs['refobj'])
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self.create_link(i.attrs['refobj'])
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elif i.name == 'Italic':
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open_containers.append((('current_style', self.current_style.copy()),))
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self.current_style.update(fontstyle=QFont.StyleItalic)
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@ -262,8 +262,8 @@ class TextBlock(object):
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if self.current_line is None:
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self.create_line()
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self.current_line.valign = i.name
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open_containers.append(((self.close_valign, []),))
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elif i.name == 'Space':
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open_containers.append(((self.close_valign, []),))
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elif i.name == 'Space' and self.current_line is not None:
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self.current_line.add_space(i.attrs['xsize'])
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elif i.name == 'EmpLine':
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if i.attrs:
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@ -273,7 +273,7 @@ class TextBlock(object):
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self.logger.warning('Unhandled TextTag %s'%(i.name,))
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if not i.self_closing:
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open_containers.append([])
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def end_line(self):
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if self.current_line is not None:
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self.height += self.current_line.finalize(self.current_style.baselineskip,
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@ -281,21 +281,21 @@ class TextBlock(object):
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self.opts.visual_debug)
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if self.height > self.max_y+10:
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raise TextBlock.HeightExceeded(str(self.current_line))
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self.lines.append(self.current_line)
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self.lines.append(self.current_line)
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self.current_line = None
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def create_line(self):
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line_length = self.line_length
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line_offset = self.line_offset
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if self.first_line:
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line_length -= self.current_style.parindent
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line_offset += self.current_style.parindent
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self.current_line = Line(line_length, line_offset,
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self.current_style.linespace,
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self.current_style.align,
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self.current_line = Line(line_length, line_offset,
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self.current_style.linespace,
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self.current_style.align,
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self.opts.hyphenate, self.block_id)
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self.first_line = False
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def process_text(self, raw):
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for ent, rep in TextBlock.XML_ENTITIES.items():
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raw = raw.replace(u'&%s;'%ent, rep)
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@ -306,11 +306,11 @@ class TextBlock(object):
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raw = raw[pos:]
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if line_filled:
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self.end_line()
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def __iter__(self):
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for line in self.lines: yield line
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def __str__(self):
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s = ''
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for line in self:
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@ -320,7 +320,7 @@ class TextBlock(object):
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class Link(QGraphicsRectItem):
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inactive_brush = QBrush(QColor(0xff, 0xff, 0xff, 0xff))
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active_brush = QBrush(QColor(0x00, 0x00, 0x00, 0x59))
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def __init__(self, parent, start, stop, refobj, slot):
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QGraphicsRectItem.__init__(self, start, 0, stop-start, parent.height, parent)
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self.refobj = refobj
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@ -329,28 +329,28 @@ class Link(QGraphicsRectItem):
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self.setPen(QPen(Qt.NoPen))
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self.setCursor(Qt.PointingHandCursor)
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self.setAcceptsHoverEvents(True)
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def hoverEnterEvent(self, event):
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self.brush = self.__class__.active_brush
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self.parentItem().update()
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def hoverLeaveEvent(self, event):
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self.brush = self.__class__.inactive_brush
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self.parentItem().update()
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def mousePressEvent(self, event):
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self.hoverLeaveEvent(None)
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self.slot(self.refobj)
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class Line(QGraphicsItem):
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whitespace = re.compile(r'\s+')
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def __init__(self, line_length, offset, linespace, align, hyphenate, block_id):
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QGraphicsItem.__init__(self)
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self.line_length, self.offset, self.line_space = line_length, offset, linespace
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self.align, self.hyphenate, self.block_id = align, hyphenate, block_id
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self.tokens = collections.deque()
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self.current_width = 0
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self.length_in_space = 0
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@ -358,25 +358,25 @@ class Line(QGraphicsItem):
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self.links = collections.deque()
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self.current_link = None
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self.valign = None
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def start_link(self, refobj, slot):
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self.current_link = [self.current_width, sys.maxint, refobj, slot]
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def end_link(self):
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if self.current_link is not None:
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self.current_link[1] = self.current_width
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self.links.append(self.current_link)
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self.current_link = None
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def can_add_plot(self, plot):
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return self.line_length - self.current_width >= plot.width
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def add_plot(self, plot):
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self.tokens.append(plot)
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self.current_width += plot.width
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self.height = max(self.height, plot.height)
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self.add_space(6)
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def populate(self, phrase, ts, process_space=True):
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phrase_pos = 0
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processed = False
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@ -401,7 +401,7 @@ class Line(QGraphicsItem):
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self.add_space(space_width)
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phrase_pos = right
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continue
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# Word doesn't fit on line
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if self.hyphenate and len(word) > 3:
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tokens = hyphenate_word(word)
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@ -420,23 +420,23 @@ class Line(QGraphicsItem):
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return phrase_pos + len(part)-1, True
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# Failed to add word.
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return phrase_pos, True
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if not processed:
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return self.populate(phrase+' ', ts, False)
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return phrase_pos, False
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def commit(self, word, width, height, descent, ts, font):
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self.tokens.append(Word(word, width, height, ts, font, self.valign))
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self.current_width += width
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self.height = max(self.height, height)
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self.descent = max(self.descent, descent)
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def add_space(self, min_width):
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self.tokens.append(min_width)
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self.current_width += min_width
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self.length_in_space += min_width
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def justify(self):
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delta = self.line_length - self.current_width
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if self.length_in_space > 0:
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@ -445,33 +445,33 @@ class Line(QGraphicsItem):
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if isinstance(self.tokens[i], (int, float)):
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self.tokens[i] *= frac
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self.current_width = self.line_length
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def finalize(self, baselineskip, linespace, vdebug):
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if self.current_link is not None:
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self.end_link()
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# We justify if line is small and it doesn't have links in it
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# If it has links, justification would cause the boundingrect of the link to
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# If it has links, justification would cause the boundingrect of the link to
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# be too small
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if self.current_width >= 0.85 * self.line_length and len(self.links) == 0:
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self.justify()
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self.width = float(self.current_width)
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if self.height == 0:
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self.height = baselineskip
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self.height = float(self.height)
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self.vdebug = vdebug
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for link in self.links:
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Link(self, *link)
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return self.height
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def boundingRect(self):
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return QRectF(0, 0, self.width, self.height)
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def paint(self, painter, option, widget):
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x, y = 0, 0+self.height-self.descent
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if self.vdebug:
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@ -509,16 +509,16 @@ class Line(QGraphicsItem):
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painter.drawPixmap(x, 0, tok.pixmap())
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x += tok.width
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painter.restore()
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def words(self):
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for w in self.tokens:
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if isinstance(w, Word):
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yield w
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def search(self, phrase):
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tokens = phrase.lower().split()
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if len(tokens) < 1: return None
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words = self.words()
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matches = []
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try:
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@ -538,16 +538,16 @@ class Line(QGraphicsItem):
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return self
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except StopIteration:
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return None
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def getx(self, textwidth):
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if self.align == 'head':
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return self.offset
|
||||
if self.align == 'foot':
|
||||
return textwidth - self.width
|
||||
if self.align == 'center':
|
||||
if self.align == 'center':
|
||||
return (textwidth-self.width)/2.
|
||||
|
||||
|
||||
def __unicode__(self):
|
||||
s = u''
|
||||
for tok in self.tokens:
|
||||
@ -555,23 +555,23 @@ class Line(QGraphicsItem):
|
||||
s += ' '
|
||||
elif isinstance(tok, Word):
|
||||
s += qstring_to_unicode(tok.string)
|
||||
return s
|
||||
|
||||
return s
|
||||
|
||||
def __str__(self):
|
||||
return unicode(self).encode('utf-8')
|
||||
|
||||
|
||||
|
||||
class Word(object):
|
||||
|
||||
|
||||
def __init__(self, string, width, height, ts, font, valign):
|
||||
self.string, self.width, self.height = QString(string), width, height
|
||||
self.font = font
|
||||
self.text_color = ts.textcolor
|
||||
self.highlight = False
|
||||
self.valign = valign
|
||||
|
||||
|
||||
def main(args=sys.argv):
|
||||
return 0
|
||||
|
||||
if __name__ == '__main__':
|
||||
sys.exit(main())
|
||||
sys.exit(main())
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user