def __init__(self, opts, log, cover_data=None, toc=None):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
QObject.__init__(self)
self.logger = self.log = log
self.opts = opts
self.cover_data = cover_data
self.paged_js = None
self.toc = toc
self.loop = QEventLoop()
self.view = QWebView()
self.page = Page(opts, self.log)
self.view.setPage(self.page)
self.view.setRenderHints(QPainter.Antialiasing|
QPainter.TextAntialiasing|QPainter.SmoothPixmapTransform)
self.view.loadFinished.connect(self.render_html,
type=Qt.QueuedConnection)
for x in (Qt.Horizontal, Qt.Vertical):
self.view.page().mainFrame().setScrollBarPolicy(x,
Qt.ScrollBarAlwaysOff)
self.report_progress = lambda x, y: x
self.current_section = ''
def __init__(self, opts, log, cover_data=None, toc=None):
from calibre.gui2 import is_ok_to_use_qt
from calibre.utils.podofo import get_podofo
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
QObject.__init__(self)
self.logger = self.log = log
self.podofo = get_podofo()
self.doc = self.podofo.PDFDoc()
self.loop = QEventLoop()
self.view = QWebView()
self.page = Page(opts, self.log)
self.view.setPage(self.page)
self.view.setRenderHints(QPainter.Antialiasing
| QPainter.TextAntialiasing
| QPainter.SmoothPixmapTransform)
self.view.loadFinished.connect(self._render_html,
type=Qt.QueuedConnection)
for x in (Qt.Horizontal, Qt.Vertical):
self.view.page().mainFrame().setScrollBarPolicy(
x, Qt.ScrollBarAlwaysOff)
self.render_queue = []
self.combine_queue = []
self.tmp_path = PersistentTemporaryDirectory(u'_pdf_output_parts')
self.opts = opts
self.cover_data = cover_data
self.paged_js = None
self.toc = toc
def __init__(self, opts, log, cover_data=None, toc=None):
from calibre.gui2 import is_ok_to_use_qt
from calibre.utils.podofo import get_podofo
if not is_ok_to_use_qt():
raise Exception("Not OK to use Qt")
QObject.__init__(self)
self.logger = self.log = log
self.podofo = get_podofo()
self.doc = self.podofo.PDFDoc()
self.loop = QEventLoop()
self.view = QWebView()
self.page = Page(opts, self.log)
self.view.setPage(self.page)
self.view.setRenderHints(QPainter.Antialiasing | QPainter.TextAntialiasing | QPainter.SmoothPixmapTransform)
self.view.loadFinished.connect(self._render_html, type=Qt.QueuedConnection)
for x in (Qt.Horizontal, Qt.Vertical):
self.view.page().mainFrame().setScrollBarPolicy(x, Qt.ScrollBarAlwaysOff)
self.render_queue = []
self.combine_queue = []
self.tmp_path = PersistentTemporaryDirectory(u"_pdf_output_parts")
self.opts = opts
self.cover_data = cover_data
self.paged_js = None
self.toc = toc
def do_render(html, base_dir, width, height, dpi, factor):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
tr = HTMLTableRenderer(html, base_dir, width, height, dpi, factor)
tr.loop.exec_()
return tr.images, tr.tdir
def render_html(path_to_html, width=590, height=750, as_xhtml=True):
from PyQt4.QtWebKit import QWebPage
from PyQt4.Qt import QEventLoop, QPalette, Qt, QUrl, QSize
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt(): return None
path_to_html = os.path.abspath(path_to_html)
with CurrentDir(os.path.dirname(path_to_html)):
page = QWebPage()
pal = page.palette()
pal.setBrush(QPalette.Background, Qt.white)
page.setPalette(pal)
page.setViewportSize(QSize(width, height))
page.mainFrame().setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff)
page.mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
loop = QEventLoop()
renderer = HTMLRenderer(page, loop)
page.loadFinished.connect(renderer, type=Qt.QueuedConnection)
if as_xhtml:
page.mainFrame().setContent(open(path_to_html, 'rb').read(),
'application/xhtml+xml', QUrl.fromLocalFile(path_to_html))
else:
page.mainFrame().load(QUrl.fromLocalFile(path_to_html))
loop.exec_()
renderer.loop = renderer.page = None
page.loadFinished.disconnect()
del page
del loop
if isinstance(renderer.exception, ParserError) and as_xhtml:
return render_html(path_to_html, width=width, height=height,
as_xhtml=False)
return renderer
def render_html_svg_workaround(path_to_html, log, width=590, height=750):
from calibre.ebooks.oeb.base import SVG_NS
raw = open(path_to_html, 'rb').read()
data = None
if SVG_NS in raw:
try:
data = extract_cover_from_embedded_svg(raw,
os.path.dirname(path_to_html), log)
except:
pass
if data is None:
try:
data = extract_calibre_cover(raw, os.path.dirname(path_to_html), log)
except:
pass
if data is None:
from calibre.gui2 import is_ok_to_use_qt
if is_ok_to_use_qt():
data = render_html_data(path_to_html, width, height)
else:
from calibre.utils.ipc.simple_worker import fork_job, WorkerError
try:
result = fork_job('calibre.ebooks',
'render_html_data',
(path_to_html, width, height),
no_output=True)
data = result['result']
except WorkerError as err:
prints(err.orig_tb)
except:
traceback.print_exc()
return data
def render_html(path_to_html, width=590, height=750, as_xhtml=True):
from PyQt4.QtWebKit import QWebPage
from PyQt4.Qt import QEventLoop, QPalette, Qt, QUrl, QSize
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
return None
path_to_html = os.path.abspath(path_to_html)
with CurrentDir(os.path.dirname(path_to_html)):
page = QWebPage()
pal = page.palette()
pal.setBrush(QPalette.Background, Qt.white)
page.setPalette(pal)
page.setViewportSize(QSize(width, height))
page.mainFrame().setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff)
page.mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
loop = QEventLoop()
renderer = HTMLRenderer(page, loop)
page.loadFinished.connect(renderer, type=Qt.QueuedConnection)
if as_xhtml:
page.mainFrame().setContent(open(path_to_html, 'rb').read(),
'application/xhtml+xml', QUrl.fromLocalFile(path_to_html))
else:
page.mainFrame().load(QUrl.fromLocalFile(path_to_html))
loop.exec_()
renderer.loop = renderer.page = None
page.loadFinished.disconnect()
del page
del loop
if isinstance(renderer.exception, ParserError) and as_xhtml:
return render_html(path_to_html, width=width, height=height,
as_xhtml=False)
return renderer
def run(self, path_to_ebook):
from calibre.gui2 import is_ok_to_use_qt
from PyQt4.Qt import QMessageBox
PID = self.site_customization
data_file = file(path_to_ebook, 'rb').read()
ar = PID.split(',')
for i in ar:
try:
unlocked_file = DrmStripper(data_file, i).getResult()
except DrmException:
# ignore the error
pass
else:
of = self.temporary_file('.mobi')
of.write(unlocked_file)
of.close()
return of.name
if is_ok_to_use_qt():
d = QMessageBox(
QMessageBox.Warning, "MobiDeDRM Plugin",
"Couldn't decode: %s\n\nImporting encrypted version." %
path_to_ebook)
d.show()
d.raise_()
d.exec_()
return path_to_ebook
def do_render(html, base_dir, width, height, dpi, factor):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
tr = HTMLTableRenderer(html, base_dir, width, height, dpi, factor)
tr.loop.exec_()
return tr.images, tr.tdir
def __init__(self, opts, log, cover_data=None, toc=None):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
QObject.__init__(self)
self.logger = self.log = log
self.opts = opts
self.cover_data = cover_data
self.paged_js = None
self.toc = toc
self.loop = QEventLoop()
self.view = QWebView()
self.page = Page(opts, self.log)
self.view.setPage(self.page)
self.view.setRenderHints(QPainter.Antialiasing
| QPainter.TextAntialiasing
| QPainter.SmoothPixmapTransform)
self.view.loadFinished.connect(self.render_html,
type=Qt.QueuedConnection)
for x in (Qt.Horizontal, Qt.Vertical):
self.view.page().mainFrame().setScrollBarPolicy(
x, Qt.ScrollBarAlwaysOff)
self.report_progress = lambda x, y: x
self.current_section = ''
def render_html_svg_workaround(path_to_html, log, width=590, height=750):
from calibre.ebooks.oeb.base import SVG_NS
raw = open(path_to_html, 'rb').read()
data = None
if SVG_NS in raw:
try:
data = extract_cover_from_embedded_svg(raw,
os.path.dirname(path_to_html), log)
except:
pass
if data is None:
try:
data = extract_calibre_cover(raw, os.path.dirname(path_to_html), log)
except:
pass
if data is None:
from calibre.gui2 import is_ok_to_use_qt
if is_ok_to_use_qt():
data = render_html_data(path_to_html, width, height)
else:
from calibre.utils.ipc.simple_worker import fork_job, WorkerError
try:
result = fork_job('calibre.ebooks',
'render_html_data',
(path_to_html, width, height),
no_output=True)
data = result['result']
except WorkerError as err:
prints(err.orig_tb)
except:
traceback.print_exc()
return data
def get_pdf_printer(opts, for_comic=False, output_file_name=None):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
printer = QPrinter(QPrinter.HighResolution)
custom_size = get_custom_size(opts)
if isosx and not for_comic:
# On OSX, the native engine can only produce a single page size
# (usually A4). The Qt engine on the other hand produces image based
# PDFs. If we set a custom page size using QSizeF the native engine
# produces unreadable output, so we just ignore the custom size
# settings.
printer.setPaperSize(paper_size(opts.paper_size))
else:
if opts.output_profile.short_name == 'default' or \
opts.output_profile.width > 9999:
if custom_size is None:
printer.setPaperSize(paper_size(opts.paper_size))
else:
printer.setPaperSize(QSizeF(custom_size[0], custom_size[1]),
unit(opts.unit))
else:
w = opts.output_profile.comic_screen_size[0] if for_comic else \
opts.output_profile.width
h = opts.output_profile.comic_screen_size[1] if for_comic else \
opts.output_profile.height
dpi = opts.output_profile.dpi
printer.setPaperSize(QSizeF(float(w) / dpi,
float(h) / dpi), QPrinter.Inch)
if for_comic:
# Comic pages typically have their own margins, or their background
# color is not white, in which case the margin looks bad
printer.setPageMargins(0, 0, 0, 0, QPrinter.Point)
else:
printer.setPageMargins(opts.margin_left, opts.margin_top,
opts.margin_right, opts.margin_bottom,
QPrinter.Point)
printer.setOrientation(orientation(opts.orientation))
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setFullPage(for_comic)
if output_file_name:
printer.setOutputFileName(output_file_name)
if isosx and not for_comic:
# Ensure we are not generating enormous image based PDFs
printer.setOutputFormat(QPrinter.NativeFormat)
return printer
def get_pdf_printer(opts, for_comic=False, output_file_name=None): # {{{
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception("Not OK to use Qt")
printer = QPrinter(QPrinter.HighResolution)
custom_size = get_custom_size(opts)
if isosx and not for_comic:
# On OSX, the native engine can only produce a single page size
# (usually A4). The Qt engine on the other hand produces image based
# PDFs. If we set a custom page size using QSizeF the native engine
# produces unreadable output, so we just ignore the custom size
# settings.
printer.setPaperSize(paper_size(opts.paper_size))
else:
if (
opts.output_profile.short_name == "default"
or opts.output_profile.width > 9999
or opts.override_profile_size
):
if custom_size is None:
printer.setPaperSize(paper_size(opts.paper_size))
else:
printer.setPaperSize(QSizeF(custom_size[0], custom_size[1]), unit(opts.unit))
else:
w = opts.output_profile.comic_screen_size[0] if for_comic else opts.output_profile.width
h = opts.output_profile.comic_screen_size[1] if for_comic else opts.output_profile.height
dpi = opts.output_profile.dpi
printer.setPaperSize(QSizeF(float(w) / dpi, float(h) / dpi), QPrinter.Inch)
if for_comic:
# Comic pages typically have their own margins, or their background
# color is not white, in which case the margin looks bad
printer.setPageMargins(0, 0, 0, 0, QPrinter.Point)
else:
printer.setPageMargins(opts.margin_left, opts.margin_top, opts.margin_right, opts.margin_bottom, QPrinter.Point)
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setFullPage(for_comic)
if output_file_name:
printer.setOutputFileName(output_file_name)
if isosx and not for_comic:
# Ensure we are not generating enormous image based PDFs
printer.setOutputFormat(QPrinter.NativeFormat)
return printer
def run(self, path_to_ebook):
from calibre.gui2 import is_ok_to_use_qt
from PyQt4.Qt import QMessageBox
PID = self.site_customization
data_file = file(path_to_ebook, 'rb').read()
ar = PID.split(',')
for i in ar:
try:
unlocked_file = DrmStripper(data_file, i).getResult()
except DrmException:
# ignore the error
pass
else:
of = self.temporary_file('.mobi')
of.write(unlocked_file)
of.close()
return of.name
if is_ok_to_use_qt():
d = QMessageBox(QMessageBox.Warning, "MobiDeDRM Plugin", "Couldn't decode: %s\n\nImporting encrypted version." % path_to_ebook)
d.show()
d.raise_()
d.exec_()
return path_to_ebook
def __init__(self):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Unavailable('Not OK to use Qt')
dbase = self.dbase
fsize = self.input_font_size.value()
try:
fsizes = self.fsizes
except:
return
if dbase == 0.0 or not fsizes:
pd, pfs = self.get_profile_values()
if dbase == 0.0:
dbase = pd
if not fsizes:
fsizes = pfs
from calibre.ebooks.oeb.transforms.flatcss import KeyMapper
mapper = KeyMapper(sbase, dbase, fsizes)
msize = mapper[fsize]
self.input_mapped_font_size.setText('%.1f pt'%msize)
def use_default(self):
dbase, fsizes = self.get_profile_values()
self.output_base_font_size.setValue(dbase)
self.font_size_key.setText(', '.join(['%.1f'%x for x in fsizes]))
if __name__ == '__main__':
from calibre.gui2 import is_ok_to_use_qt
is_ok_to_use_qt()
d = FontKeyChooser()
d.exec_()
def __init__(self):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Unavailable('Not OK to use Qt')
dbase = self.dbase
fsize = self.input_font_size.value()
try:
fsizes = self.fsizes
except:
return
if dbase == 0.0 or not fsizes:
pd, pfs = self.get_profile_values()
if dbase == 0.0:
dbase = pd
if not fsizes:
fsizes = pfs
from calibre.ebooks.oeb.transforms.flatcss import KeyMapper
mapper = KeyMapper(sbase, dbase, fsizes)
msize = mapper[fsize]
self.input_mapped_font_size.setText('%.1f pt'%msize)
def use_default(self):
dbase, fsizes = self.get_profile_values()
self.output_base_font_size.setValue(dbase)
self.font_size_key.setText(', '.join(['%.1f'%x for x in fsizes]))
if __name__ == '__main__':
from calibre.gui2 import is_ok_to_use_qt
is_ok_to_use_qt()
d = FontKeyChooser()
d.exec_()
def __call__(self, oeb, opts):
self.oeb, self.opts, self.log = oeb, opts, oeb.log
from calibre.gui2 import is_ok_to_use_qt
self.rescale(qt=is_ok_to_use_qt())
