def GetImage(self, picture):
key = picture.GetKey()
if key not in self._wxImgCache:
pilImg = PILBackend.GetThumbnail(picture, width=ImageCache.SIZE)
wxImg = wx.Image(PILBackend.ImageToStream(pilImg), wx.BITMAP_TYPE_JPEG)
self._wxImgCache[key] = wxImg
return self._wxImgCache[key]
def __ThumbToQuery(self, picId, pic):
pilThumb = PILBackend.GetThumbnail(pic, height=120)
thumbWidth, thumbHeight = pilThumb.size
thumbData = pilThumb.tobytes()
query = "INSERT INTO `thumbnail` (" \
"picture_id, width, height, data" \
") VALUES (" \
"?, ?, ?, ?" \
");"
values = (picId, thumbWidth, thumbHeight, thumbData)
return query, values
def GetPreviewThumb(self):
if not self.Load():
return None
img = None
pics = self._project.GetPictures()
imgCount = len(pics)
if imgCount > 0:
picIdx = random.randint(0, imgCount - 1)
pic = pics[picIdx]
if os.path.exists(pic.GetFilename()):
img = PILBackend.GetThumbnail(pic, width=136, height=70)
if pic.IsDummy():
img = None
return img
def run(self):
while self.active:
pic = None
try:
pic = self.queue.pop(0)
except IndexError:
time.sleep(0.1)
continue
pilImg = PILBackend.GetThumbnail(pic, height=ImageCache.THUMB_SIZE)
self.imgCache.RegisterPicture(pic, pilImg)
if self.imgCache.win:
evt = ThumbnailReadyEvent(pic)
wx.PostEvent(self.imgCache.win, evt)
def __LoadThumbnail(self, pic, picId):
ImageCache().RegisterPicture(pic)
return
thumbNail = None
if self.__fileRev >= 3:
cur = self.__GetCursor()
cur.execute("SELECT * FROM `thumbnail` WHERE picture_id=?", (picId,))
row = cur.fetchone()
if row:
thumbWidth = row["width"]
thumbHeight = row["height"]
thumbData = row["data"]
thumbNail = PILBackend.ImageFromBuffer((thumbWidth, thumbHeight), thumbData)
if thumbNail is None:
thumbNail = PILBackend.GetThumbnail(pic, height=120)
ImageCache().RegisterPicture(pic, thumbNail)