Example #1
0
def generate_thumbnails(img_path):

    # Compute filenames and paths
    img_path = os.path.normpath(img_path)
    base_path, img_fname = os.path.split(img_path)
    filename, ext = os.path.splitext(img_fname)

    png_large_name = filename + '.png'
    png_thumb_name = filename + '.tb.png'

    png_large_path = os.path.normpath(os.path.join(base_path, png_large_name))
    png_thumb_path = os.path.normpath(os.path.join(base_path, png_thumb_name))

    # Convert original TIFF file to PNG format and also create a thumbnailed version.
    # Use Pillow, ImageMagick or other tooling.
    logger.info('Processing image "{}"'.format(img_path))
    with open(img_path, 'rb') as tiff:

        # Write original image in PNG format
        # Only process image if not already exists
        if not os.path.exists(png_large_path):
            png_large = to_png(tiff)
            with open(png_large_path, 'wb') as f:
                f.write(png_large.read())

        tiff.seek(0)

        # Write thumbnail image in PNG format
        # Only process image if not already exists
        if not os.path.exists(png_thumb_path):
            width, height = THUMBNAIL_SIZE
            png_thumb = to_png(tiff, width=width, height=height)
            with open(png_thumb_path, 'wb') as f:
                f.write(png_thumb.read())

    return png_thumb_name, png_large_name, img_fname
Example #2
0
 def to_png(self, img_name):
     util.to_png(img_name, 50, 50, self.states)
Example #3
0
 def to_png(self, png_name):
     util.to_png(png_name, 50, 50, self.states)