class Thumbnailer(QObject):
compatibleType = re.compile(
"(JPEG|JPG|jpg|jpeg|GIF|gif|bmp|BMP|png|PNG|pbm|PBM|pgm|PGM|ppm|PPM|xpm|XPM|xbm|XBM|TIFF|tiff|video).*",
re.IGNORECASE)
def __init__(self):
QObject.__init__(self)
self.thumbnailManager = ThumbnailManager()
self.thumbnailManager.register(self)
self.requests = set()
@staticmethod
def isThumbnailable(node):
if Thumbnailer.compatibleType.search(str(node.dataType())) != None:
return True
return False
def generate(self,
node,
iconSize=128,
percent=10,
frames=1,
blocking=False):
if blocking:
self.blockingLoop = QEventLoop()
self.blockingLoop.connect(self, SIGNAL("ThumbnailUpdate"),
self.blockingUpdate)
config = ScaleConfig(node, iconSize, percent, frames)
self.requests.add(config)
pixmap = self.thumbnailManager.generate(config)
if pixmap:
return pixmap
if blocking:
self.blockingLoop.exec_()
return self.pixmap
def blockingUpdate(self, node, pixmap):
self.pixmap = pixmap
self.blockingLoop.quit()
def requestRemove(self, config):
try:
self.requests.remove(config)
except:
pass
def request(self, config):
if config in self.requests:
return True
else:
return False
def unregister(self):
self.thumbnailManager.unregister(self)
class Thumbnailer(QObject):
compatibleType = re.compile(
"(JPEG|JPG|jpg|jpeg|GIF|gif|bmp|BMP|png|PNG|pbm|PBM|pgm|PGM|ppm|PPM|xpm|XPM|xbm|XBM|TIFF|tiff|video).*",
re.IGNORECASE,
)
def __init__(self):
QObject.__init__(self)
self.thumbnailManager = ThumbnailManager()
self.thumbnailManager.register(self)
self.requests = set()
@staticmethod
def isThumbnailable(node):
if Thumbnailer.compatibleType.search(str(node.dataType())) != None:
return True
return False
def generate(self, node, iconSize=128, percent=10, frames=1, blocking=False):
if blocking:
self.blockingLoop = QEventLoop()
self.blockingLoop.connect(self, SIGNAL("ThumbnailUpdate"), self.blockingUpdate)
config = ScaleConfig(node, iconSize, percent, frames)
self.requests.add(config)
pixmap = self.thumbnailManager.generate(config)
if pixmap:
return pixmap
if blocking:
self.blockingLoop.exec_()
return self.pixmap
def blockingUpdate(self, node, pixmap):
self.pixmap = pixmap
self.blockingLoop.quit()
def requestRemove(self, config):
try:
self.requests.remove(config)
except:
pass
def request(self, config):
if config in self.requests:
return True
else:
return False
def unregister(self):
self.thumbnailManager.unregister(self)
