Exemplos de scale_to_max_size em Python

Exemplo n.º 1

def generate_thumb(img, thumb_size, format):
    """
    Generates a thumbnail image and returns a ContentFile object with the thumbnail

    Parameters:
    ===========
    img         File object

    thumb_size  desired thumbnail size, ie: (200,120)

    format      format of the original image ('jpeg','gif','png',...)
                (this format will be used for the generated thumbnail, too)
    """
    img.seek(0)
    image = Image.open(img)

    # Convert to RGB if necessary
    if image.mode not in ('L', 'RGB', 'RGBA'):
        image = image.convert('RGB')

    new_image = scale_to_max_size(image, *thumb_size)

    io = cStringIO.StringIO()

    # PNG and GIF are the same, JPG is JPEG
    if format.upper() == 'JPG':
        format = 'JPEG'

    new_image.save(io, format)
    return ContentFile(io.getvalue())

Exemplo n.º 2

Arquivo: thumbs.py Projeto: catyshka/lfs-cutomized

def generate_thumb(img, thumb_size, format):
    """
    Generates a thumbnail image and returns a ContentFile object with the thumbnail

    Parameters:
    ===========
    img         File object

    thumb_size  desired thumbnail size, ie: (200,120)

    format      format of the original image ('jpeg','gif','png',...)
                (this format will be used for the generated thumbnail, too)
    """
    img.seek(0)
    image = Image.open(img)
    # Convert to RGB if necessary
    if image.mode not in ('L', 'RGB', 'RGBA'):
        image = image.convert('RGB')
    new_image = scale_to_max_size(image, *thumb_size)
    io = cStringIO.StringIO()

    # PNG and GIF are the same, JPG is JPEG
    if format.upper() == 'JPG':
        format = 'JPEG'
    new_image.save(io, format)
    return ContentFile(io.getvalue())