def test_tts_writing_extent_when_body_has_extents(self):
doc = model.ContentDocument()
body = model.Body(doc)
div = model.Div(doc)
div.set_style(
styles.StyleProperties.Extent,
get_extent_from_dimensions(123, 456, styles.LengthType.Units.px))
p = model.P(doc)
span = model.Span(doc)
text = model.Text(doc)
text.set_text("asdf")
span.push_child(text)
p.push_child(span)
div.push_child(p)
body.push_child(div)
doc.set_body(body)
r = model.Region("hello", doc)
r.set_style(
styles.StyleProperties.Extent,
get_extent_from_dimensions(123, 456, styles.LengthType.Units.px))
doc.put_region(r)
tree_from_model = imsc_writer.from_model(doc)
extent = tree_from_model.getroot().attrib.get(
f"{{{imsc_styles.StyleProperties.Extent.ns}}}{imsc_styles.StyleProperties.Extent.local_name}"
)
self.assertEqual(extent, '1920px 1080px')
def get_extent(self) -> ExtentType:
"""Computes and returns the current paragraph extent, based on its content"""
if len(self._caption_lines) == 0:
return get_extent_from_dimensions(0, 0)
paragraph_rows = self._caption_lines.keys()
nb_lines = max(paragraph_rows) - min(paragraph_rows) + 1
max_text_lengths = max(
[line.get_length() for line in self._caption_lines.values()])
return get_extent_from_dimensions(max_text_lengths, nb_lines)
def test_tts_writing_extent(self):
self.assertEqual(
_get_set_style(
imsc_styles.StyleProperties.Extent,
get_extent_from_dimensions(123, 456,
styles.LengthType.Units.px)),
'123px 456px')
def _extend_region_to_paragraph(self, region: Region):
"""Extends region dimensions based on paragraph extent"""
if not self._has_same_origin_as_region(region):
raise ValueError("Paragraph origin does not match with region.")
region_extent = region.get_style(StyleProperties.Extent)
paragraph_extent = self._paragraph.get_extent()
# Convert extent cells to percentages
paragraph_extent_pct = convert_cells_to_percentages(paragraph_extent, self._doc.get_cell_resolution())
if paragraph_extent_pct.width.value > region_extent.width.value:
# Resets the region width on the paragraph line width (up to the right of the safe area)
# The region height always remains the same (depending on the region origin)
region_origin: PositionType = region.get_style(StyleProperties.Origin)
# Convert right cells coordinate to percentages
right_pct = self._right * 100 / self._doc.get_cell_resolution().columns
available_width_pct = right_pct - region_origin.x.value
if int(paragraph_extent_pct.width.value) > available_width_pct:
LOGGER.warning("The paragraph width overflows from the safe area (at %s)", self._paragraph.get_begin())
max_width_pct = round(min(paragraph_extent_pct.width.value, available_width_pct))
region_extent_pct = get_extent_from_dimensions(max_width_pct, region_extent.height.value, LengthType.Units.pct)
region.set_style(StyleProperties.Extent, region_extent_pct)
def _create_matching_region(self) -> Region:
"""Creates a new region based on paragraph needs"""
doc_regions = list(self._doc.iter_regions())
paragraph_origin = self._paragraph.get_origin()
region = Region(self._get_region_prefix() + str(len(doc_regions) + 1),
self._doc)
# Convert origin cells to percentages
if self._paragraph.get_caption_style() is SccCaptionStyle.RollUp:
# The region origin x offset
region_origin = get_position_from_offsets(paragraph_origin.x.value,
self._top)
region_origin_pct = convert_cells_to_percentages(
region_origin, self._doc.get_cell_resolution())
else:
# The region origin matches with paragraph origin
region_origin_pct = convert_cells_to_percentages(
paragraph_origin, self._doc.get_cell_resolution())
region.set_style(StyleProperties.Origin, region_origin_pct)
# The region width is initialized with he paragraph width (up to the right of the safe area)
paragraph_extent = self._paragraph.get_extent()
available_width = self._right - int(paragraph_origin.x.value)
region_width = min(paragraph_extent.width.value, available_width)
if self._paragraph.get_caption_style() is SccCaptionStyle.RollUp:
# The region height extends from the top row to the bottom row of the safe area
region_height = self._bottom - (self._top + 1)
region.set_style(StyleProperties.DisplayAlign,
DisplayAlignType.after)
else:
# The region height extends from its origin to the bottom of the safe area
region_height = self._bottom - int(paragraph_origin.y.value) - 1
region.set_style(StyleProperties.DisplayAlign,
DisplayAlignType.before)
region_extent = get_extent_from_dimensions(region_width, region_height)
# Convert extent cells to percentages
region_extent_pct = convert_cells_to_percentages(
region_extent, self._doc.get_cell_resolution())
region.set_style(StyleProperties.Extent, region_extent_pct)
# Set default region style properties
region.set_style(StyleProperties.ShowBackground,
ShowBackgroundType.whenActive)
self._doc.put_region(region)
return region
def get_extent(self) -> ExtentType:
"""Computes and returns the current paragraph extent, based on its content"""
lines: List[str] = []
last_line = []
separator = " " if self._caption_style is SccCaptionStyle.PaintOn else ""
for caption_content in self._caption_contents:
if isinstance(caption_content, SccCaptionLineBreak):
lines.append(separator.join(last_line))
last_line = []
continue
if isinstance(caption_content, SccCaptionText):
last_line.append(caption_content.get_text())
if len(last_line) > 0:
lines.append(separator.join(last_line))
nb_lines = len(lines)
max_text_lengths = max([len(line) for line in lines]) if len(lines) > 0 else 0
return get_extent_from_dimensions(max_text_lengths, nb_lines)
