/* Pango

 * pangocairo-coretextfontmap.c

 *

 * Copyright (C) 2005 Imendio AB

 * Copyright (C) 2010  Kristian Rietveld  <kris@gtk.org>

 *

 * 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., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include "config.h"

#include "pangocoretext-private.h"

#include "pangocairo.h"

#include "pangocairo-private.h"

#include "pangocairo-coretext.h"

typedef struct _PangoCairoCoreTextFontMapClass PangoCairoCoreTextFontMapClass;

struct _PangoCairoCoreTextFontMapClass

{

  PangoCoreTextFontMapClass parent_class;

};

static guint

pango_cairo_core_text_font_map_get_serial (PangoFontMap *fontmap)

{

  PangoCairoCoreTextFontMap *cafontmap = PANGO_CAIRO_CORE_TEXT_FONT_MAP (fontmap);

  return cafontmap->serial;

}

static void

pango_cairo_core_text_font_map_changed (PangoFontMap *fontmap)

{

  PangoCairoCoreTextFontMap *cafontmap = PANGO_CAIRO_CORE_TEXT_FONT_MAP (fontmap);

  cafontmap->serial++;

  if (cafontmap->serial == 0)

    cafontmap->serial++;

}

static void

pango_cairo_core_text_font_map_set_resolution (PangoCairoFontMap *cfontmap,

                                               double             dpi)

{

  PangoCairoCoreTextFontMap *cafontmap = PANGO_CAIRO_CORE_TEXT_FONT_MAP (cfontmap);

  cafontmap->serial++;

  if (cafontmap->serial == 0)

    cafontmap->serial++;

  cafontmap->dpi = dpi;

}

static double

pango_cairo_core_text_font_map_get_resolution_cairo (PangoCairoFontMap *cfontmap)

{

  PangoCairoCoreTextFontMap *cafontmap = PANGO_CAIRO_CORE_TEXT_FONT_MAP (cfontmap);

  return cafontmap->dpi;

}

static cairo_font_type_t

pango_cairo_core_text_font_map_get_font_type (PangoCairoFontMap *cfontmap)

{

  return CAIRO_FONT_TYPE_QUARTZ;

}

static void

cairo_font_map_iface_init (PangoCairoFontMapIface *iface)

{

  iface->set_resolution = pango_cairo_core_text_font_map_set_resolution;

  iface->get_resolution = pango_cairo_core_text_font_map_get_resolution_cairo;

  iface->get_font_type  = pango_cairo_core_text_font_map_get_font_type;

}

G_DEFINE_TYPE_WITH_CODE (PangoCairoCoreTextFontMap, pango_cairo_core_text_font_map, PANGO_TYPE_CORE_TEXT_FONT_MAP,

    { G_IMPLEMENT_INTERFACE (PANGO_TYPE_CAIRO_FONT_MAP, cairo_font_map_iface_init) });

static PangoCoreTextFont *

pango_cairo_core_text_font_map_create_font (PangoCoreTextFontMap       *fontmap,

                                            PangoCoreTextFontKey       *key)

{

  return _pango_cairo_core_text_font_new (PANGO_CAIRO_CORE_TEXT_FONT_MAP (fontmap),

                                          key);

}

static void

pango_cairo_core_text_font_map_finalize (GObject *object)

{

  G_OBJECT_CLASS (pango_cairo_core_text_font_map_parent_class)->finalize (object);

}

static double

pango_cairo_core_text_font_map_get_resolution_core_text (PangoCoreTextFontMap *ctfontmap,

                                                         PangoContext         *context)

{

  PangoCairoCoreTextFontMap *cafontmap = PANGO_CAIRO_CORE_TEXT_FONT_MAP (ctfontmap);

  double dpi;

  if (context)

    {

      dpi = pango_cairo_context_get_resolution (context);

      if (dpi <= 0)

        dpi = cafontmap->dpi;

    }

  else

    dpi = cafontmap->dpi;

  return dpi;

}

static gconstpointer

pango_cairo_core_text_font_map_context_key_get (PangoCoreTextFontMap *fontmap G_GNUC_UNUSED,

                                                PangoContext         *context)

{

  return _pango_cairo_context_get_merged_font_options (context);

}

static gpointer

pango_cairo_core_text_font_map_context_key_copy (PangoCoreTextFontMap *fontmap G_GNUC_UNUSED,

                                                 gconstpointer         key)

{

  return cairo_font_options_copy (key);

}

static void

pango_cairo_core_text_font_map_context_key_free (PangoCoreTextFontMap *fontmap G_GNUC_UNUSED,

                                                 gpointer              key)

{

  cairo_font_options_destroy (key);

}

static guint32

pango_cairo_core_text_font_map_context_key_hash (PangoCoreTextFontMap *fontmap G_GNUC_UNUSED,

                                                 gconstpointer         key)

{

  return (guint32)cairo_font_options_hash (key);

}

static gboolean

pango_cairo_core_text_font_map_context_key_equal (PangoCoreTextFontMap *fontmap G_GNUC_UNUSED,

                                                  gconstpointer         key_a,

                                                  gconstpointer         key_b)

{

  return cairo_font_options_equal (key_a, key_b);

}

static void

pango_cairo_core_text_font_map_class_init (PangoCairoCoreTextFontMapClass *class)

{

  PangoCoreTextFontMapClass *ctfontmapclass = (PangoCoreTextFontMapClass *)class;

  PangoFontMapClass *fontmap_class = PANGO_FONT_MAP_CLASS (class);

  GObjectClass *object_class = (GObjectClass *)class;

  object_class->finalize = pango_cairo_core_text_font_map_finalize;

  fontmap_class->get_serial = pango_cairo_core_text_font_map_get_serial;

  fontmap_class->changed = pango_cairo_core_text_font_map_changed;

  ctfontmapclass->get_resolution = pango_cairo_core_text_font_map_get_resolution_core_text;

  ctfontmapclass->create_font = pango_cairo_core_text_font_map_create_font;

  ctfontmapclass->context_key_get = pango_cairo_core_text_font_map_context_key_get;

  ctfontmapclass->context_key_copy = pango_cairo_core_text_font_map_context_key_copy;

  ctfontmapclass->context_key_free = pango_cairo_core_text_font_map_context_key_free;

  ctfontmapclass->context_key_hash = pango_cairo_core_text_font_map_context_key_hash;

  ctfontmapclass->context_key_equal = pango_cairo_core_text_font_map_context_key_equal;

}

static void

pango_cairo_core_text_font_map_init (PangoCairoCoreTextFontMap *cafontmap)

{

  cafontmap->serial = 1;

  cafontmap->dpi = 96.;

}