def getGifInfo(self, data):
imageDetails = ImageDetails()
imageDetails.setMimeType('gif')
imageDetails.setWidth(ord(data[6])+ord(data[7])*256)
imageDetails.setHeight(ord(data[8])+ord(data[9])*256)
imageDetails.size = len(data)
return imageDetails
def getImageDimensions(self, filePath):
image = Image.open(filePath)
imageDetails = ImageDetails()
imageDetails.setMimeType(image.format)
width, height = image.size
imageDetails.setWidth(width)
imageDetails.setHeight(height)
return imageDetails
def getPngInfo(self, data):
if data[12:16] != 'IHDR': return None
imageDetails = ImageDetails()
imageDetails.setMimeType('png')
imageDetails.setWidth(int(data[16:20].encode('hex'),16))
imageDetails.setHeight(int(data[20:24].encode('hex'),16))
imageDetails.size = len(data)
return imageDetails
def getImageDimensions(self, filePath):
image = Image.open(filePath)
imageDetails = ImageDetails()
imageDetails.setMimeType(image.format)
width, height = image.size
imageDetails.setWidth(width)
imageDetails.setHeight(height)
return imageDetails
def getJpegInfo(self, data, pos = 2):
if data[pos] != '\xff': return None
pos += 1;
if data[pos] in ['\xc0','\xc1','\xc2','\xc3']:
pos += 4
imageDetails = ImageDetails()
imageDetails.setMimeType('jpg')
imageDetails.setWidth(ord(data[pos+2])*256 + ord(data[pos+3]))
imageDetails.setHeight(ord(data[pos])*256 + ord(data[pos+1]))
imageDetails.size = len(data)
return imageDetails
pos += 1;
delta = ord(data[pos])*256 + ord(data[pos+1])
return self.getJpegInfo(data, pos + delta)
