本文整理汇总了Python中calibre.gui2.library.caches.ThumbnailCache类的典型用法代码示例。如果您正苦于以下问题：Python ThumbnailCache类的具体用法？Python ThumbnailCache怎么用？Python ThumbnailCache使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ThumbnailCache类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
def __init__(self, parent):
QListView.__init__(self, parent)
setup_dnd_interface(self)
self.setUniformItemSizes(True)
self.setWrapping(True)
self.setFlow(self.LeftToRight)
# We cannot set layout mode to batched, because that breaks
# restore_vpos()
# self.setLayoutMode(self.Batched)
self.setResizeMode(self.Adjust)
self.setSelectionMode(self.ExtendedSelection)
self.setVerticalScrollMode(self.ScrollPerPixel)
self.delegate = CoverDelegate(self)
self.delegate.animation.valueChanged.connect(self.animation_value_changed)
self.delegate.animation.finished.connect(self.animation_done)
self.setItemDelegate(self.delegate)
self.setSpacing(self.delegate.spacing)
self.padding_left = 0
self.set_color()
self.ignore_render_requests = Event()
self.thumbnail_cache = ThumbnailCache(max_size=gprefs['cover_grid_disk_cache_size'],
thumbnail_size=(self.delegate.cover_size.width(), self.delegate.cover_size.height()))
self.render_thread = None
self.update_item.connect(self.re_render, type=Qt.QueuedConnection)
self.doubleClicked.connect(self.double_clicked)
self.setCursor(Qt.PointingHandCursor)
self.gui = parent
self.context_menu = None
self.update_timer = QTimer(self)
self.update_timer.setInterval(200)
self.update_timer.timeout.connect(self.update_viewport)
self.update_timer.setSingleShot(True)
self.resize_timer = t = QTimer(self)
t.setInterval(200), t.setSingleShot(True)
t.timeout.connect(self.update_memory_cover_cache_size)示例2: GridView
class GridView(QListView):
update_item = pyqtSignal(object)
files_dropped = pyqtSignal(object)
books_dropped = pyqtSignal(object)
def __init__(self, parent):
QListView.__init__(self, parent)
self._ncols = None
self.gesture_manager = GestureManager(self)
setup_dnd_interface(self)
self.setUniformItemSizes(True)
self.setWrapping(True)
self.setFlow(self.LeftToRight)
# We cannot set layout mode to batched, because that breaks
# restore_vpos()
# self.setLayoutMode(self.Batched)
self.setResizeMode(self.Adjust)
self.setSelectionMode(self.ExtendedSelection)
self.setVerticalScrollMode(self.ScrollPerPixel)
self.delegate = CoverDelegate(self)
self.delegate.animation.valueChanged.connect(self.animation_value_changed)
self.delegate.animation.finished.connect(self.animation_done)
self.setItemDelegate(self.delegate)
self.setSpacing(self.delegate.spacing)
self.set_color()
self.ignore_render_requests = Event()
dpr = self.device_pixel_ratio
self.thumbnail_cache = ThumbnailCache(max_size=gprefs['cover_grid_disk_cache_size'],
thumbnail_size=(int(dpr * self.delegate.cover_size.width()), int(dpr * self.delegate.cover_size.height())))
self.render_thread = None
self.update_item.connect(self.re_render, type=Qt.QueuedConnection)
self.doubleClicked.connect(self.double_clicked)
self.setCursor(Qt.PointingHandCursor)
self.gui = parent
self.context_menu = None
self.update_timer = QTimer(self)
self.update_timer.setInterval(200)
self.update_timer.timeout.connect(self.update_viewport)
self.update_timer.setSingleShot(True)
self.resize_timer = t = QTimer(self)
t.setInterval(200), t.setSingleShot(True)
t.timeout.connect(self.update_memory_cover_cache_size)
def viewportEvent(self, ev):
try:
ret = self.gesture_manager.handle_event(ev)
except AttributeError:
ret = None
if ret is not None:
return ret
return QListView.viewportEvent(self, ev)
@property
def device_pixel_ratio(self):
try:
return self.devicePixelRatioF()
except AttributeError:
return self.devicePixelRatio()
@property
def first_visible_row(self):
geom = self.viewport().geometry()
for y in range(geom.top(), (self.spacing()*2) + geom.top(), 5):
for x in range(geom.left(), (self.spacing()*2) + geom.left(), 5):
ans = self.indexAt(QPoint(x, y)).row()
if ans > -1:
return ans
@property
def last_visible_row(self):
geom = self.viewport().geometry()
for y in range(geom.bottom(), geom.bottom() - 2 * self.spacing(), -5):
for x in range(geom.left(), (self.spacing()*2) + geom.left(), 5):
ans = self.indexAt(QPoint(x, y)).row()
if ans > -1:
item_width = self.delegate.item_size.width() + 2*self.spacing()
return ans + (geom.width() // item_width)
def update_viewport(self):
self.ignore_render_requests.clear()
self.update_timer.stop()
m = self.model()
for r in range(self.first_visible_row or 0, self.last_visible_row or (m.count() - 1)):
self.update(m.index(r, 0))
def start_view_animation(self, index):
d = self.delegate
if d.animating is None and not config['disable_animations']:
d.animating = index
d.animation.start()
def double_clicked(self, index):
self.start_view_animation(index)
if tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.gui.iactions['View'].view_triggered(index)
elif tweaks['doubleclick_on_library_view'] in {'edit_metadata', 'edit_cell'}:
self.gui.iactions['Edit Metadata'].edit_metadata(False, False)
def animation_value_changed(self, value):
#.........这里部分代码省略.........
示例3: GridView
class GridView(QListView):
update_item = pyqtSignal(object)
files_dropped = pyqtSignal(object)
def __init__(self, parent):
QListView.__init__(self, parent)
setup_gestures(self)
setup_dnd_interface(self)
self.setUniformItemSizes(True)
self.setWrapping(True)
self.setFlow(self.LeftToRight)
# We cannot set layout mode to batched, because that breaks
# restore_vpos()
# self.setLayoutMode(self.Batched)
self.setResizeMode(self.Adjust)
self.setSelectionMode(self.ExtendedSelection)
self.setVerticalScrollMode(self.ScrollPerPixel)
self.delegate = CoverDelegate(self)
self.delegate.animation.valueChanged.connect(self.animation_value_changed)
self.delegate.animation.finished.connect(self.animation_done)
self.setItemDelegate(self.delegate)
self.setSpacing(self.delegate.spacing)
self.padding_left = 0
self.set_color()
self.ignore_render_requests = Event()
dpr = self.device_pixel_ratio
self.thumbnail_cache = ThumbnailCache(max_size=gprefs['cover_grid_disk_cache_size'],
thumbnail_size=(int(dpr * self.delegate.cover_size.width()), int(dpr * self.delegate.cover_size.height())))
self.render_thread = None
self.update_item.connect(self.re_render, type=Qt.QueuedConnection)
self.doubleClicked.connect(self.double_clicked)
self.setCursor(Qt.PointingHandCursor)
self.gui = parent
self.context_menu = None
self.update_timer = QTimer(self)
self.update_timer.setInterval(200)
self.update_timer.timeout.connect(self.update_viewport)
self.update_timer.setSingleShot(True)
self.resize_timer = t = QTimer(self)
t.setInterval(200), t.setSingleShot(True)
t.timeout.connect(self.update_memory_cover_cache_size)
def viewportEvent(self, ev):
ret = gesture_viewport_event(self, ev)
if ret is not None:
return ret
return QListView.viewportEvent(self, ev)
@property
def device_pixel_ratio(self):
try:
return self.devicePixelRatioF()
except AttributeError:
return self.devicePixelRatio()
@property
def first_visible_row(self):
geom = self.viewport().geometry()
for y in xrange(geom.top(), (self.spacing()*2) + geom.top(), 5):
for x in xrange(geom.left(), (self.spacing()*2) + geom.left(), 5):
ans = self.indexAt(QPoint(x, y)).row()
if ans > -1:
return ans
@property
def last_visible_row(self):
geom = self.viewport().geometry()
for y in xrange(geom.bottom(), geom.bottom() - 2 * self.spacing(), -5):
for x in xrange(geom.left(), (self.spacing()*2) + geom.left(), 5):
ans = self.indexAt(QPoint(x, y)).row()
if ans > -1:
item_width = self.delegate.item_size.width() + 2*self.spacing()
return ans + (geom.width() // item_width)
def update_viewport(self):
self.ignore_render_requests.clear()
self.update_timer.stop()
m = self.model()
for r in xrange(self.first_visible_row or 0, self.last_visible_row or (m.count() - 1)):
self.update(m.index(r, 0))
def double_clicked(self, index):
d = self.delegate
if d.animating is None and not config['disable_animations']:
d.animating = index
d.animation.start()
if tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.gui.iactions['View'].view_triggered(index)
elif tweaks['doubleclick_on_library_view'] in {'edit_metadata', 'edit_cell'}:
self.gui.iactions['Edit Metadata'].edit_metadata(False, False)
def animation_value_changed(self, value):
if self.delegate.animating is not None:
self.update(self.delegate.animating)
def animation_done(self):
if self.delegate.animating is not None:
idx = self.delegate.animating
self.delegate.animating = None
#.........这里部分代码省略.........