Python pango.SCALE Examples

The following are 4 code examples of pango.SCALE(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pango , or try the search function .
Example #1
Source File: cairo_backend.py    From symbolator with MIT License 5 votes vote down vote up 
def draw_text(x, y, text, font, text_color, spacing, c):
    c.save()
    c.set_source_rgba(*rgb_to_cairo(text_color))
    font = cairo_font(font)

    c.translate(x, y)
    
    if use_pygobject:
      status, attrs, plain_text, _ = pango.parse_markup(text, len(text), '\0')
      
      layout = pangocairo.create_layout(c)
      pctx = layout.get_context()
      fo = cairo.FontOptions()
      fo.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
      pangocairo.context_set_font_options(pctx, fo)
      layout.set_font_description(font)
      layout.set_spacing(spacing * pango.SCALE)
      layout.set_text(plain_text, len(plain_text))
      layout.set_attributes(attrs)
      pangocairo.update_layout(c, layout)
      pangocairo.show_layout(c, layout)

    else: # pyGtk
      attrs, plain_text, _ = pango.parse_markup(text)
      
      pctx = pangocairo.CairoContext(c)
      pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
      layout = pctx.create_layout()
      layout.set_font_description(font)
      layout.set_spacing(spacing * pango.SCALE)
      layout.set_text(plain_text)
      layout.set_attributes(attrs)
      pctx.update_layout(layout)
      pctx.show_layout(layout)
      
    c.restore()
Example #2
Source File: terminal.py    From NINJA-PingU with GNU General Public License v3.0 5 votes vote down vote up 
def zoom_font(self, zoom_in):
        """Change the font size"""
        pangodesc = self.vte.get_font()
        fontsize = pangodesc.get_size()

        if fontsize > pango.SCALE and not zoom_in:
            fontsize -= pango.SCALE
        elif zoom_in:
            fontsize += pango.SCALE

        pangodesc.set_size(fontsize)
        self.set_font(pangodesc)
        self.custom_font_size = fontsize
Example #3
Source File: gtkbase.py    From gui-o-matic with GNU Lesser General Public License v3.0 5 votes vote down vote up 
def _font_setup(self):
        for name, style in self.config.get('font_styles', {}).iteritems():
            pfd = pango.FontDescription()
            pfd.set_family(style.get('family', 'normal'))
            pfd.set_size(style.get('points', 12) * pango.SCALE)
            if style.get('italic'): pfd.set_style(pango.STYLE_ITALIC)
            if style.get('bold'): pfd.set_weight(pango.WEIGHT_BOLD)
            self.font_styles[name] = pfd
Example #4
Source File: cairo_backend.py    From symbolator with MIT License 4 votes vote down vote up 
def cairo_text_bbox(text, font_params, spacing=0, scale=1.0):
    surf = cairo.ImageSurface(cairo.FORMAT_ARGB32, 8, 8)
    ctx = cairo.Context(surf)

    # The scaling must match the final context.
    # If not there can be a mismatch between the computed extents here
    # and those generated for the final render.
    ctx.scale(scale, scale)
    
    font = cairo_font(font_params)


    if use_pygobject:
      status, attrs, plain_text, _ = pango.parse_markup(text, len(text), '\0')
      
      layout = pangocairo.create_layout(ctx)
      pctx = layout.get_context()
      fo = cairo.FontOptions()
      fo.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
      pangocairo.context_set_font_options(pctx, fo)
      layout.set_font_description(font)
      layout.set_spacing(spacing * pango.SCALE)
      layout.set_text(plain_text, len(plain_text))
      layout.set_attributes(attrs)

      li = layout.get_iter() # Get first line of text
      baseline = li.get_baseline() / pango.SCALE

      re = layout.get_pixel_extents()[1] # Get logical extents
      extents = (re.x, re.y, re.x + re.width, re.y + re.height)

    else: # pyGtk
      attrs, plain_text, _ = pango.parse_markup(text)

      pctx = pangocairo.CairoContext(ctx)
      pctx.set_antialias(cairo.ANTIALIAS_SUBPIXEL)
      layout = pctx.create_layout()
      layout.set_font_description(font)
      layout.set_spacing(spacing * pango.SCALE)
      layout.set_text(plain_text)
      layout.set_attributes(attrs)

      li = layout.get_iter() # Get first line of text
      baseline = li.get_baseline() / pango.SCALE

      #print('@@ EXTENTS:', layout.get_pixel_extents()[1], spacing)
      extents = layout.get_pixel_extents()[1] # Get logical extents

    return [extents[0], extents[1], extents[2], extents[3], baseline]