File: text_extents.py

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wxwidgets2.8 2.8.10.1-3
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utf8 = "cairo"

snippet_normalize (cr, width, height)

cr.select_font_face ("Sans",
                     cairo.FONT_SLANT_NORMAL,
                     cairo.FONT_WEIGHT_NORMAL)

cr.set_font_size (0.4)
x_bearing, y_bearing, width, height, x_advance, y_advance = cr.text_extents (utf8)

x=0.1
y=0.6

cr.move_to (x,y)
cr.show_text (utf8)

#/* draw helping lines */
cr.set_source_rgba (1,0.2,0.2,0.6)
cr.arc (x, y, 0.05, 0, 2*M_PI)
cr.fill ()
cr.move_to (x,y)
cr.rel_line_to (0, -height)
cr.rel_line_to (width, 0)
cr.rel_line_to (x_bearing, -y_bearing)
cr.stroke ()