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/* Fo
* fo-layout-cairo.c: Object type for PangoCairoLayout
*
* Copyright (C) 2003-2006 Sun Microsystems
* Copyright (C) 2007 Menteith Consulting Ltd
*
* See COPYING for the status of this software.
*/
#include <pango/pango.h>
#include "fo-utils.h"
#include "fo-object.h"
#include "fo-layout-cairo-private.h"
#include "fo-doc-private.h"
#include "fo-font-desc-private.h"
static void fo_layout_cairo_class_init (FoLayoutCairoClass *klass);
static void fo_layout_cairo_finalize (GObject *object);
static void fo_layout_cairo_set_line_height (FoLayout *fo_layout,
gfloat line_height);
static void fo_layout_cairo_set_line_stacking_strategy (FoLayout *fo_layout,
FoEnumEnum line_stacking_strategy);
static gpointer parent_class;
/**
* fo_layout_cairo_get_type:
*
* Register the #FoLayoutCairo type if not already registered and
* return its #GType value.
*
* Return value: #GType of #FoLayoutCairo.
**/
GType
fo_layout_cairo_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (FoLayoutCairoClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) fo_layout_cairo_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FoLayoutCairo),
0, /* n_preallocs */
NULL, /* instance_init */
NULL /* value_table */
};
object_type = g_type_register_static (FO_TYPE_LAYOUT,
"FoLayoutCairo",
&object_info, 0);
}
return object_type;
}
/**
* fo_layout_cairo_class_init:
* @klass: #FoLayoutCairo object to initialise.
*
* Implements #GClassInitFunc for #FoLayoutCairoClass.
**/
void
fo_layout_cairo_class_init (FoLayoutCairoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = fo_layout_cairo_finalize;
FO_LAYOUT_CLASS (klass)->set_line_height = fo_layout_cairo_set_line_height;
FO_LAYOUT_CLASS (klass)->set_line_stacking_strategy =
fo_layout_cairo_set_line_stacking_strategy;
}
/**
* fo_layout_cairo_finalize:
* @object: #FoLayoutCairo object to finalize.
*
* Implements #GObjectFinalizeFunc for #FoLayoutCairo.
**/
void
fo_layout_cairo_finalize (GObject *object)
{
FoLayoutCairo *fo_layout_cairo;
fo_layout_cairo = FO_LAYOUT_CAIRO (object);
/*g_object_unref (fo_layout_cairo->fo_doc);*/
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* fo_layout_cairo_new:
*
* Creates a new #FoLayoutCairo.
*
* Return value: the newly created #FoLayoutCairo.
**/
FoLayout *
fo_layout_cairo_new (void)
{
FoLayout* fo_layout;
fo_layout =
g_object_new (fo_layout_cairo_get_type (),
NULL);
return fo_layout;
}
/**
* fo_layout_cairo_new_from_fo_doc:
* @fo_doc: #FoDoc.
*
* Creates a new #FoLayoutCairo.
*
* Return value: the newly created #FoLayoutCairo.
**/
FoLayout *
fo_layout_cairo_new_from_fo_doc (FoDoc *fo_doc)
{
FoLayout* fo_layout;
fo_layout =
g_object_new (fo_layout_cairo_get_type (),
NULL);
/* FIXME: should be g_object_ref (fo_doc) but uncertain what unrefs layout */
fo_layout->fo_doc = fo_doc;
fo_layout->pango_layout =
pango_layout_new (fo_doc_get_pango_context (fo_doc));
return fo_layout;
}
/**
* fo_layout_cairo_set_line_height:
* @fo_layout: #FoLayout.
* @line_height: 'line-height' in points.
*
* Set the 'line-height' of @fo_layout to @line_height.
**/
void
fo_layout_cairo_set_line_height (FoLayout *fo_layout,
gfloat line_height G_GNUC_UNUSED)
{
g_return_if_fail (FO_IS_LAYOUT_CAIRO (fo_layout));
/* pango_cairo_layout_set_line_height (fo_layout->pango_layout,
line_height * PANGO_SCALE);*/
}
/**
* fo_layout_cairo_set_line_stacking_strategy:
* @fo_layout: #FoLayout.
* @line_stacking_strategy: Line stacking strategy to use.
*
* Set the 'line-stacking-strategy' property of @fo_layout to
* @line_stacking_strategy.
**/
void
fo_layout_cairo_set_line_stacking_strategy (FoLayout *fo_layout,
FoEnumEnum line_stacking_strategy G_GNUC_UNUSED)
{
g_return_if_fail (FO_IS_LAYOUT_CAIRO (fo_layout));
/* pango_cairo_layout_set_line_stacking_strategy (fo_layout->pango_layout,
fo_layout_line_stacking_strategy_to_pango_line_stacking_strategy (line_stacking_strategy));*/
}
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