def setup_ui(self):
from calibre.ebooks.oeb.polish.images import get_compressible_images
self.setWindowIcon(QIcon(I('compress-image.png')))
self.h = h = QHBoxLayout(self)
self.images = i = QListWidget(self)
h.addWidget(i)
self.l = l = QVBoxLayout()
h.addLayout(l)
c = current_container()
for name in sorted(get_compressible_images(c), key=numeric_sort_key):
x = QListWidgetItem(name, i)
x.setData(Qt.ItemDataRole.UserRole, c.filesize(name))
i.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
i.setMinimumHeight(350), i.setMinimumWidth(350)
i.selectAll(), i.setSpacing(5)
self.delegate = ImageItemDelegate(self)
i.setItemDelegate(self.delegate)
self.la = la = QLabel(
_('You can compress the images in this book losslessly, reducing the file size of the book,'
' without affecting image quality. Typically image size is reduced by 5 - 15%.'
))
la.setWordWrap(True)
la.setMinimumWidth(250)
l.addWidget(la), l.addSpacing(30)
self.enable_lossy = el = QCheckBox(
_('Enable &lossy compression of JPEG images'))
el.setToolTip(
_('This allows you to change the quality factor used for JPEG images.\nBy lowering'
' the quality you can greatly reduce file size, at the expense of the image looking blurred.'
))
l.addWidget(el)
self.h2 = h = QHBoxLayout()
l.addLayout(h)
self.jq = jq = QSpinBox(self)
jq.setMinimum(0), jq.setMaximum(100), jq.setValue(
tprefs.get('jpeg_compression_quality_for_lossless_compression',
80)), jq.setEnabled(False)
jq.setToolTip(
_('The compression quality, 1 is high compression, 100 is low compression.\nImage'
' quality is inversely correlated with compression quality.'))
jq.valueChanged.connect(self.save_compression_quality)
el.toggled.connect(jq.setEnabled)
self.jql = la = QLabel(_('Compression &quality:'))
la.setBuddy(jq)
h.addWidget(la), h.addWidget(jq)
l.addStretch(10)
l.addWidget(self.bb)
def setup_ui(self):
from calibre.ebooks.oeb.polish.images import get_compressible_images
self.setWindowIcon(QIcon(I('compress-image.png')))
self.h = h = QHBoxLayout(self)
self.images = i = QListWidget(self)
h.addWidget(i)
self.l = l = QVBoxLayout()
h.addLayout(l)
c = current_container()
for name in sorted(get_compressible_images(c), key=numeric_sort_key):
x = QListWidgetItem(name, i)
x.setData(Qt.UserRole, c.filesize(name))
i.setSelectionMode(i.ExtendedSelection)
i.setMinimumHeight(500), i.setMinimumWidth(350)
i.selectAll(), i.setSpacing(5)
self.delegate = ImageItemDelegate(self)
i.setItemDelegate(self.delegate)
self.la = la = QLabel(_(
'You can compress the images in this book losslessly, reducing the file size of the book,'
' without affecting image quality. Typically image size is reduced by 5 - 15%.'))
la.setWordWrap(True)
la.setMinimumWidth(250)
l.addWidget(la), l.addSpacing(30)
self.enable_lossy = el = QCheckBox(_('Enable &lossy compression of JPEG images'))
el.setToolTip(_('This allows you to change the quality factor used for JPEG images.\nBy lowering'
' the quality you can greatly reduce file size, at the expense of the image looking blurred.'))
l.addWidget(el)
self.h2 = h = QHBoxLayout()
l.addLayout(h)
self.jq = jq = QSpinBox(self)
jq.setMinimum(0), jq.setMaximum(100), jq.setValue(tprefs.get('jpeg_compression_quality_for_lossless_compression', 80)), jq.setEnabled(False)
jq.setToolTip(_('The compression quality, 1 is high compression, 100 is low compression.\nImage'
' quality is inversely correlated with compression quality.'))
jq.valueChanged.connect(self.save_compression_quality)
el.toggled.connect(jq.setEnabled)
self.jql = la = QLabel(_('Compression &quality:'))
la.setBuddy(jq)
h.addWidget(la), h.addWidget(jq)
l.addStretch(10)
l.addWidget(self.bb)