def test_glyph_item_iterator(self):
text = 'Hi from Παν語'
layout = Layout(self.pango_context)
layout.set_text(text)
layout_iter = layout.get_iter()
glyph_item_iter = GlyphItemIter()
assert isinstance(glyph_item_iter.get_pointer(), ffi.CData)
assert glyph_item_iter.init_start(
layout_iter.get_run(),
text
)
assert isinstance(glyph_item_iter.glyph_item, GlyphItem)
assert glyph_item_iter.text == text
# Verify first cluster
assert glyph_item_iter.start_glyph == 0
assert glyph_item_iter.start_index == 0
assert glyph_item_iter.start_char == 0
assert glyph_item_iter.end_glyph == 1
assert glyph_item_iter.end_index == 1
assert glyph_item_iter.end_char == 1
assert not glyph_item_iter.prev_cluster()
assert glyph_item_iter.next_cluster()
# Verify second cluster
assert glyph_item_iter.start_glyph == 1
assert glyph_item_iter.start_index == 1
assert glyph_item_iter.start_char == 1
assert glyph_item_iter.end_glyph == 2
assert glyph_item_iter.end_index == 2
assert glyph_item_iter.end_char == 2
assert glyph_item_iter.init_end(
layout_iter.get_run(),
text
)
# Verify last cluster
assert glyph_item_iter.start_glyph == 7
assert glyph_item_iter.start_index == 7
assert glyph_item_iter.start_char == 7
assert glyph_item_iter.end_glyph == 8
assert glyph_item_iter.end_index == 8
assert glyph_item_iter.end_char == 8
assert not glyph_item_iter.next_cluster()
assert glyph_item_iter.prev_cluster()
# Verify second to last cluster
assert glyph_item_iter.start_glyph == 6
assert glyph_item_iter.start_index == 6
assert glyph_item_iter.start_char == 6
assert glyph_item_iter.end_glyph == 7
assert glyph_item_iter.end_index == 7
assert glyph_item_iter.end_char == 7
def test_layout_setting_text(self):
layout = Layout(self.pango_context)
layout.set_text('Hi from Παν語')
assert layout.get_text() == 'Hi from Παν語'
layout.set_markup('<span font="italic 30">Hello from Παν語</span>')
assert layout.get_text() == 'Hello from Παν語'
def test_layout_setting_text():
context = Context()
layout = Layout(context)
layout.set_width(300)
layout.set_text('Hi from Pango')
layout.set_markup('<span font="italic 30">Hi from Παν語</span>')
def test_glyph_item_copies(self):
text = 'Hi from Παν語'
layout = Layout(self.pango_context)
layout.set_text(text)
layout_iter = layout.get_iter()
layout_run = layout_iter.get_run()
assert layout_run.copy().get_pointer() != layout_run.get_pointer()
def test_layout_run_properties(self):
layout = Layout(self.pango_context)
layout.set_text('Hello World')
layout_iter = layout.get_iter()
layout_run = layout_iter.get_run()
layout_run_item = layout_run.item
assert isinstance(layout_run_item, Item)
def test_layout_run_from_pointer(self):
layout = Layout(self.pango_context)
layout.set_text('Hello World')
layout_iter = layout.get_iter()
layout_run = layout_iter.get_run()
same_layout = LayoutRun.from_pointer(layout_run.get_pointer())
assert isinstance(same_layout, LayoutRun)
def test_glyph_item_get_logical_widths(self):
text = 'Hi from Παν語'
layout = Layout(self.pango_context)
layout.set_text(text)
layout_iter = layout.get_iter()
layout_run = layout_iter.get_run()
logical_widths = layout_run.get_logical_widths(text)
assert len(logical_widths) == 8
assert isinstance(logical_widths[0], int)
def test_glyph_item_splits(self):
text = 'Hi from Παν語'
layout = Layout(self.pango_context)
layout.set_text(text)
layout_iter = layout.get_iter()
layout_run = layout_iter.get_run()
layout_run_hi = layout_run.split(text, 3)
# Substring "Hi "
assert layout_run_hi.item.num_chars == 3
assert layout_run_hi.item.offset == 0
# Substring "from "
assert layout_run.item.num_chars == 5
assert layout_run.item.offset == 3
def test_set_attributes(self):
context = Context()
layout = Layout(context)
layout.set_text("Working?")
attr = Attribute.from_size(5, 1, 4)
attr_list = AttrList()
attr_list.insert(attr)
layout.set_attributes(attr_list)
layout.get_attributes()
# Resetting the attributes
layout.set_attributes(None)
layout.get_attributes()
def test_item_properties(self):
layout = Layout(self.pango_context)
layout.set_text('Hi from Παν語')
layout_iter = layout.get_iter()
layout_run = layout_iter.get_run()
layout_run_item = layout_run.item
assert layout_run_item.length == 8
assert layout_run_item.offset == 0
assert layout_run_item.num_chars == 8
assert isinstance(layout_run_item.get_pointer(), ffi.CData)
assert layout_iter.next_run()
layout_run = layout_iter.get_run()
layout_run_item = layout_run.item
assert layout_run_item.length == 6
assert layout_run_item.offset == 8
assert layout_run_item.num_chars == 3
assert isinstance(layout_run_item.get_pointer(), ffi.CData)