def _get_parts(self):
parts = []
pkg_meta = self._get_pkg_meta()
for part_name, content_type in pkg_meta:
blob = self.blob_for(part_name)
if 'image' in content_type:
image = Image(blob, None, None, content_type)
part = ImagePart.from_image(image, PackURI(part_name))
else:
part = XmlPart.load(PackURI(part_name), content_type, blob,
None)
parts.append(part)
return parts
def it_knows_the_image_filename(self):
filename = 'foobar.png'
image = Image(None, filename, None)
assert image.filename == filename
def it_knows_the_horz_and_vert_dpi_of_the_image(self, dpi_fixture):
image_header_, horz_dpi, vert_dpi = dpi_fixture
image = Image(None, None, image_header_)
assert image.horz_dpi == horz_dpi
assert image.vert_dpi == vert_dpi
def it_knows_the_image_px_dimensions(self, dimensions_fixture):
image_header_, px_width, px_height = dimensions_fixture
image = Image(None, None, image_header_)
assert image.px_width == px_width
assert image.px_height == px_height
def it_knows_the_image_content_type(self, content_type_fixture):
image_header_, content_type = content_type_fixture
image = Image(None, None, image_header_)
assert image.content_type == content_type
def it_provides_access_to_the_image_blob(self):
blob = b'foobar'
image = Image(blob, None, None)
assert image.blob == blob
def size_fixture(self, image_header_):
image_header_.px_width, image_header_.px_height = 150, 75
image_header_.horz_dpi, image_header_.vert_dpi = 72, 200
image = Image(None, None, image_header_)
return image, 1905000, 342900
def scale_fixture(self, request, width_prop_, height_prop_):
width, height, scaled_width, scaled_height = request.param
width_prop_.return_value = Emu(1000)
height_prop_.return_value = Emu(2000)
image = Image(None, None, None)
return image, width, height, (scaled_width, scaled_height)
def it_knows_the_sha1_of_its_image(self):
blob = b'fO0Bar'
image = Image(blob, None, None)
assert image.sha1 == '4921e7002ddfba690a937d54bda226a7b8bdeb68'
def it_knows_the_image_filename_extension(self):
image = Image(None, 'foobar.png', None)
assert image.ext == 'png'
