def text(self,
text,
x,
y,
width=0,
height=0,
halign=HAlign.LEFT,
valign=VAlign.TOP,
word_wrap=False):
"""Draw multi-line text at (x, y) in millimeters and return new x."""
assert isinstance(halign, HAlign)
assert isinstance(valign, VAlign)
assert halign == HAlign.LEFT or width > 0, 'width must be specified'
assert valign == VAlign.TOP or height > 0, 'height must be specified'
assert not (width <= 0 and word_wrap), 'width must be specified'
text_lines = self._wrap(text, width) if word_wrap else text.split('\n')
text_height_pts = self.font.size_pts * len(text_lines) + \
self.font.interline_pts * (len(text_lines) - 1)
x_pts = normalize(x)
y_pts = normalize(self.height - y) - self.font.ascent_pts
if height:
y_pts -= valign.offset(text_height_pts, normalize(height))
obj = self._viewport.beginText(x_pts, y_pts)
obj.setFont(self.font.name, self.font.size_pts, self.font.leading_pts)
obj.setTextRenderMode(self.font.render_mode.value)
obj.setCharSpace(self.font.char_space_pts)
obj.setWordSpace(self.font.word_space_pts)
obj.setRise(self.font.rise_pts)
cursor_x = x_pts + self._get_text_width_pts(text_lines)
for line in text_lines:
if width:
text_width_pts = self._get_text_width_pts(line)
offset_pts = halign.offset(text_width_pts, normalize(width))
x_pts = normalize(x) + offset_pts
cursor_x = max(cursor_x, x_pts + text_width_pts)
obj.setTextOrigin(x_pts, obj.getY())
obj.textLine(line)
self._viewport.drawText(obj)
return denormalize(cursor_x)
def test_should_convert_points_to_millimeters(self):
self.assertAlmostEqual(25.4, denormalize(72.0))
def height(self):
"""Return height of document page in millimeters."""
return denormalize(self._height)
def width(self):
"""Return width of document page in millimeters."""
return denormalize(self._width)
def get_text_width_mm(self, text):
"""Return the width of text in mm determined by the font."""
return denormalize(self._get_text_width_pts(text))
def miter_limit(self):
"""Return miter limit in millimeters."""
return denormalize(self._miter_limit)
def interline_mm(self):
"""Return interline height in millimeters."""
return denormalize(self.interline_pts)
def line_width(self):
"""Return line width in millimeters."""
return denormalize(self._line_width)
def leading_mm(self):
"""Return text line spacing in millimeters."""
return denormalize(self.leading_pts)
def word_space_mm(self):
"""Return word spacing in millimeters."""
return denormalize(self.word_space_pts)
def char_space_mm(self):
"""Return character spacing in millimeters."""
return denormalize(self.char_space_pts)
def rise_mm(self):
"""Return font rise in millimeters."""
return denormalize(self.rise_pts)
def size_mm(self):
"""Return font size in millimeters."""
return denormalize(self.size_pts)
