livetrax/libs/cairomm/cairomm/fontoptions.cc

/* Copyright (C) 2005 The cairomm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#include <cairomm/fontoptions.h>
#include <cairomm/private.h>

namespace Cairo
{

FontOptions::FontOptions()
: m_cobject(0)
{
  m_cobject = cairo_font_options_create();
  check_object_status_and_throw_exception(*this);
}

FontOptions::FontOptions(cairo_font_options_t* cobject, bool take_ownership)
: m_cobject(0)
{
  if(take_ownership)
    m_cobject = cobject;
  else
    m_cobject = cairo_font_options_copy(cobject);

  check_object_status_and_throw_exception(*this);
}

FontOptions::FontOptions(const FontOptions& src)
{
  //Reference-counting, instead of copying by value:
  if(!src.m_cobject)
    m_cobject = 0;
  else
    m_cobject = cairo_font_options_copy(src.m_cobject);

  check_object_status_and_throw_exception(*this);
}

FontOptions::~FontOptions()
{
  if(m_cobject)
    cairo_font_options_destroy(m_cobject);
}


FontOptions& FontOptions::operator=(const FontOptions& src)
{
  //Reference-counting, instead of copying by value:

  if(this == &src)
    return *this;

  if(m_cobject == src.m_cobject)
    return *this;

  if(m_cobject)
  {
    cairo_font_options_destroy(m_cobject);
    m_cobject = 0;
  }

  if(!src.m_cobject)
    return *this;

  m_cobject = cairo_font_options_copy(src.m_cobject);

  return *this;
}

bool FontOptions::operator==(const FontOptions& src) const
{
  return cairo_font_options_equal(m_cobject, src.cobj());
}

void FontOptions::merge(const FontOptions& src)
{
  cairo_font_options_merge(m_cobject, src.cobj());
  check_object_status_and_throw_exception(*this);
}

unsigned long FontOptions::hash() const
{
  const unsigned long result = cairo_font_options_hash(m_cobject);
  check_object_status_and_throw_exception(*this);
  return result;
}

void FontOptions::set_antialias(Antialias antialias)
{
  cairo_font_options_set_antialias(m_cobject, static_cast<cairo_antialias_t>(antialias));
  check_object_status_and_throw_exception(*this);
}

Antialias FontOptions::get_antialias() const
{
  const Antialias result = static_cast<Antialias>(cairo_font_options_get_antialias(m_cobject));
  check_object_status_and_throw_exception(*this);
  return result;
}

void FontOptions::set_subpixel_order(SubpixelOrder subpixel_order)
{
  cairo_font_options_set_subpixel_order(m_cobject, static_cast<cairo_subpixel_order_t>(subpixel_order));
  check_object_status_and_throw_exception(*this);
}

SubpixelOrder FontOptions::get_subpixel_order() const
{
  const SubpixelOrder result = static_cast<SubpixelOrder>(cairo_font_options_get_subpixel_order(m_cobject));
  check_object_status_and_throw_exception(*this); 
  return result;
}

void FontOptions::set_hint_style(HintStyle hint_style)
{
  cairo_font_options_set_hint_style(m_cobject, static_cast<cairo_hint_style_t>(hint_style));
  check_object_status_and_throw_exception(*this);
}

HintStyle FontOptions::get_hint_style() const
{
  const HintStyle result = static_cast<HintStyle>(cairo_font_options_get_hint_style(m_cobject));
  check_object_status_and_throw_exception(*this);
  return result;
}

void FontOptions::set_hint_metrics(HintMetrics hint_metrics)
{
  cairo_font_options_set_hint_metrics(m_cobject,
          static_cast<cairo_hint_metrics_t>(hint_metrics));
  check_object_status_and_throw_exception(*this);
}

HintMetrics FontOptions::get_hint_metrics() const
{
  const HintMetrics result =
      static_cast<HintMetrics>(cairo_font_options_get_hint_metrics(m_cobject));
  check_object_status_and_throw_exception(*this);
  return result;
}

} //namespace Cairo

// vim: ts=2 sw=2 et