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/* 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.;
}
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