def _convert_pdf_images(self, pdf_input):
"""Container for pdf->image converstions.
args:
pdf_input(str): path to pdf file
"""
pdf_convertor = ImageMagickConverter(image_type="pdf")
if self.tn:
image_output = self._get_output_path("_TN.jpg")
if not os.path.exists(image_output):
print "Creating TN for {0}".format(os.path.basename(pdf_input))
pdf_convertor.convert_pdf_tn(pdf_input, image_output)
self.derive_results.append(pdf_convertor.return_code)
if self.preview:
image_output = self._get_output_path("_PREVIEW.jpg")
if not os.path.exists(image_output):
print "Creating PREVIEW for {0}".format(os.path.basename(pdf_input))
pdf_convertor.convert_pdf_preview(pdf_input, image_output)
self.derive_results.append(pdf_convertor.return_code)
def _convert_images(self, image_input):
"""Container for image->image conversions.
Positional arguments:
image_input (str) -- this should simply be the filename (not full path)
"""
image_convertor = ImageMagickConverter()
if self.tn:
image_output = self._get_output_path("_TN.jpg")
if not os.path.exists(image_output):
image_convertor.convert_thumbnail(image_input, image_output)
self.derive_results.append(image_convertor.return_code)
if self.jp2:
image_output = self._get_output_path("_JP2.jp2")
if not os.path.exists(image_output):
image_convertor.convert_jp2(image_input, image_output)
self.derive_results.append(image_convertor.return_code)
if self.jpeg_low_quality:
image_output = self._get_output_path("_JPG_LOW.jpg")
if not os.path.exists(image_output):
image_convertor.convert_jpeg_low(image_input, image_output)
self.derive_results.append(image_convertor.return_code)
if self.jpeg_high_quality:
image_output = self._get_output_path("_JPG_HIGH.jpg")
if not os.path.exists(image_output):
image_convertor.convert_jpeg_high(image_input, image_output)
self.derive_results.append(image_convertor.return_code)
if self.preview:
image_output = self._get_output_path("_PREVIEW.jpg")
if not os.path.exists(image_output):
image_convertor.convert_preview(image_input, image_output)
self.derive_results.append(image_convertor.return_code)
