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/* Fo
* fo-property-background-color.c: 'background-color' property
*
* Copyright (C) 2001 Sun Microsystems
* Copyright (C) 2007 Menteith Consulting Ltd
*
* See COPYING for the status of this software.
*/
#include <string.h>
#include "fo-utils.h"
#include "fo-context.h"
#include "datatype/fo-datatype.h"
#include "property/fo-property-private.h"
#include "property/fo-property-text-property.h"
#include "property/fo-property-font-size.h"
#include "property/fo-property-background-color.h"
#include "property/fo-property-util.h"
/* background-color */
/* Inherited: FALSE */
/* Shorthand: FALSE */
/* <color> | transparent | inherit */
/* Initial value: transparent */
struct _FoPropertyBackgroundColor
{
FoProperty parent_instance;
};
struct _FoPropertyBackgroundColorClass
{
FoPropertyClass parent_class;
};
static void fo_property_background_color_init (FoPropertyBackgroundColor *property_background_color);
static void fo_property_background_color_class_init (FoPropertyBackgroundColorClass *klass);
static void fo_property_background_color_finalize (GObject *object);
static void fo_property_background_color_text_property_init (FoPropertyTextPropertyIface *iface);
static PangoAttribute * fo_property_background_color_new_attr (FoProperty *property);
static const gchar class_name[] = "background-color";
static gpointer parent_class;
/**
* fo_property_background_color_get_type:
*
* Register the #FoPropertyBackgroundColor type if not already registered and
* return its #GType value.
*
* Return value: #GType of #FoPropertyBackgroundColor.
**/
GType
fo_property_background_color_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (FoPropertyBackgroundColorClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) fo_property_background_color_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FoPropertyBackgroundColor),
0, /* n_preallocs */
(GInstanceInitFunc) fo_property_background_color_init,
NULL /* value_table */
};
static const GInterfaceInfo fo_property_text_property_info =
{
(GInterfaceInitFunc) fo_property_background_color_text_property_init, /* interface_init */
NULL,
NULL
};
object_type = g_type_register_static (FO_TYPE_PROPERTY,
class_name,
&object_info, 0);
g_type_add_interface_static (object_type,
FO_TYPE_PROPERTY_TEXT_PROPERTY,
&fo_property_text_property_info);
}
return object_type;
}
/**
* fo_property_background_color_init:
* @background_color: #FoPropertyBackgroundColor object to initialise.
*
* Implements #GInstanceInitFunc for #FoPropertyBackgroundColor.
**/
void
fo_property_background_color_init (FoPropertyBackgroundColor *background_color)
{
FO_PROPERTY (background_color)->value =
g_object_ref (fo_enum_get_enum_by_nick ("transparent"));
}
/**
* fo_property_background_color_class_init:
* @klass: #FoPropertyBackgroundColorClass object to initialise.
*
* Implements #GClassInitFunc for #FoPropertyBackgroundColorClass.
**/
void
fo_property_background_color_class_init (FoPropertyBackgroundColorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
FoPropertyClass *property_class = FO_PROPERTY_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = fo_property_background_color_finalize;
property_class->is_inherited = FALSE;
property_class->is_shorthand = FALSE;
property_class->resolve_enum =
fo_property_util_resolve_color_transparent_enum;
property_class->validate =
fo_property_util_validate_color_transparent;
property_class->get_initial =
fo_property_background_color_get_initial;
}
/**
* fo_property_background_color_finalize:
* @object: #FoPropertyBackgroundColor object to finalize.
*
* Implements #GObjectFinalizeFunc for #FoPropertyBackgroundColor.
**/
void
fo_property_background_color_finalize (GObject *object)
{
FoPropertyBackgroundColor *background_color;
background_color = FO_PROPERTY_BACKGROUND_COLOR (object);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* fo_property_background_color_text_property_init:
* @iface: #FoPropertyTextPropertyIFace structure for this class.
*
* Initialize #FoPropertyTextPropertyIface interface for this class.
**/
void
fo_property_background_color_text_property_init (FoPropertyTextPropertyIface *iface)
{
iface->new_attr = fo_property_background_color_new_attr;
}
/**
* fo_property_background_color_new:
*
* Creates a new #FoPropertyBackgroundColor initialized to default value.
*
* Return value: the new #FoPropertyBackgroundColor.
**/
FoProperty*
fo_property_background_color_new (void)
{
FoProperty* background_color;
background_color =
FO_PROPERTY (g_object_new (fo_property_background_color_get_type (),
NULL));
return background_color;
}
/**
* fo_property_background_color_get_initial:
*
* Get an instance of the property with the correct initial value.
*
* Return value: An instance of the property.
**/
FoProperty*
fo_property_background_color_get_initial (void)
{
static FoProperty *background_color = NULL;
if (background_color == NULL)
{
background_color =
fo_property_background_color_new ();
}
return background_color;
}
/**
* fo_property_background_color_new_attr:
* @datatype: #FoDatatype from which to create a #PangoAttribute.
*
* Makes a new #PangoAttribute representing the current property.
*
* Return value: New #PangoAttribute.
**/
PangoAttribute *
fo_property_background_color_new_attr (FoProperty *property)
{
guint16 background_red;
guint16 background_green;
guint16 background_blue;
g_return_val_if_fail (FO_IS_PROPERTY_BACKGROUND_COLOR (property), NULL);
g_return_val_if_fail (FO_IS_COLOR (property->value), NULL);
background_red =
fo_color_get_red (property->value);
background_green =
fo_color_get_green (property->value);
background_blue =
fo_color_get_blue (property->value);
return pango_attr_background_new (background_red,
background_green,
background_blue);
}
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