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Python caches.ThumbnailCache类代码示例

本文整理汇总了Python中calibre.gui2.library.caches.ThumbnailCache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, 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)
开发者ID:GRiker,项目名称:calibre,代码行数:35,代码来源:alternate_views.py

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.........
开发者ID:JimmXinu,项目名称:calibre,代码行数:101,代码来源:alternate_views.py

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.........
开发者ID:vnvizitiu,项目名称:calibre,代码行数:101,代码来源:alternate_views.py


注:本文中的calibre.gui2.library.caches.ThumbnailCache类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。