libs-back/Source/cairo/CairoFaceInfo.m

/*
 * CairoFaceInfo.m
 *
 * Copyright (C) 2003 Free Software Foundation, Inc.
 * August 31, 2003
 * Written by Banlu Kemiyatorn <object at gmail dot com>
 * Base on original code of Alex Malmberg
 * Rewrite: Fred Kiefer <fredkiefer@gmx.de>
 * Date: Jan 2006
 *
 * 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 02111 USA.
 */

#include "cairo/CairoFaceInfo.h"
#include <cairo-ft.h>
#include <AppKit/NSFontManager.h>

@ implementation CairoFaceInfo 

- (id) initWithfamilyName: (NSString *)familyName 
                   weight: (int)weight 
                   traits: (unsigned int)traits 
                  pattern: (FcPattern *)pattern
{
  _pattern = pattern;
  FcPatternReference(_pattern);

  [self setFamilyName: familyName];
  [self setWeight: weight];
  [self setTraits: traits];

  return self;
}

- (void) dealloc
{
  if (_fontFace)
    {
      cairo_font_face_destroy(_fontFace);
    }
  FcPatternDestroy(_pattern);
  RELEASE(_familyName);

  [super dealloc];
}

- (void) setFamilyName: (NSString *)name
{
  ASSIGN(_familyName, name);
}

- (NSString *)familyName
{
  return _familyName;
}

- (int) weight
{
  return _weight;
}

- (void) setWeight: (int)weight
{
  _weight = weight;
}

- (unsigned int) traits
{
  return _traits;
}

- (void) setTraits: (unsigned int)traits
{
  _traits = traits;
}

- (unsigned int) cacheSize
{
  return 257;
}

- (cairo_font_face_t *)fontFace
{
  if (!_fontFace)
    {
      FcResult result;
      FcPattern *resolved;

      FcConfigSubstitute (NULL, _pattern, FcMatchPattern); 
      FcDefaultSubstitute(_pattern);
      resolved = FcFontMatch(NULL, _pattern, &result);

      _fontFace = cairo_ft_font_face_create_for_pattern(resolved);
      FcPatternDestroy(resolved);

      if ((!_fontFace)
	|| (cairo_font_face_status(_fontFace) != CAIRO_STATUS_SUCCESS))
	{
	  NSLog(@"Creating a font face failed %@", _familyName);
	  cairo_font_face_destroy(_fontFace);
	  _fontFace = NULL;
	  return NULL;
	}
    }

  return _fontFace;
}

@end