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/* Fo
* fo-property-color.c: '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-color.h"
#include "property/fo-property-util.h"
/* color */
/* Inherited: TRUE */
/* Shorthand: FALSE */
/* <color> | inherit */
/* Initial value: depends on user agent */
struct _FoPropertyColor
{
FoProperty parent_instance;
};
struct _FoPropertyColorClass
{
FoPropertyClass parent_class;
};
static void fo_property_color_init (FoPropertyColor *property_color);
static void fo_property_color_class_init (FoPropertyColorClass *klass);
static void fo_property_color_finalize (GObject *object);
static void fo_property_color_text_property_init (FoPropertyTextPropertyIface *iface);
static PangoAttribute * fo_property_color_new_attr (FoProperty *property);
static const gchar class_name[] = "color";
static gpointer parent_class;
/**
* fo_property_color_get_type:
*
* Register the #FoPropertyColor type if not already registered and
* return its #GType value.
*
* Return value: #GType of #FoPropertyColor.
**/
GType
fo_property_color_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (FoPropertyColorClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) fo_property_color_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FoPropertyColor),
0, /* n_preallocs */
(GInstanceInitFunc) fo_property_color_init,
NULL /* value_table */
};
static const GInterfaceInfo fo_property_text_property_info =
{
(GInterfaceInitFunc) fo_property_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_color_init:
* @color: #FoPropertyColor object to initialise.
*
* Implements #GInstanceInitFunc for #FoPropertyColor.
**/
void
fo_property_color_init (FoPropertyColor *color)
{
FO_PROPERTY (color)->value =
g_object_ref (fo_property_util_get_color_initial ());
}
/**
* fo_property_color_class_init:
* @klass: #FoPropertyColorClass object to initialise.
*
* Implements #GClassInitFunc for #FoPropertyColorClass.
**/
void
fo_property_color_class_init (FoPropertyColorClass *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_color_finalize;
property_class->is_inherited = TRUE;
property_class->is_shorthand = FALSE;
property_class->resolve_enum =
fo_property_util_resolve_color_enum;
property_class->validate =
fo_property_util_validate_color;
property_class->get_initial =
fo_property_color_get_initial;
}
/**
* fo_property_color_finalize:
* @object: #FoPropertyColor object to finalize.
*
* Implements #GObjectFinalizeFunc for #FoPropertyColor.
**/
void
fo_property_color_finalize (GObject *object)
{
FoPropertyColor *color;
color = FO_PROPERTY_COLOR (object);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* fo_property_color_text_property_init:
* @iface: #FoPropertyTextPropertyIFace structure for this class.
*
* Initialize #FoPropertyTextPropertyIface interface for this class.
**/
void
fo_property_color_text_property_init (FoPropertyTextPropertyIface *iface)
{
iface->new_attr = fo_property_color_new_attr;
}
/**
* fo_property_color_new:
*
* Creates a new #FoPropertyColor initialized to default value.
*
* Return value: the new #FoPropertyColor.
**/
FoProperty*
fo_property_color_new (void)
{
FoProperty* color;
color =
FO_PROPERTY (g_object_new (fo_property_color_get_type (),
NULL));
return color;
}
/**
* fo_property_color_get_initial:
*
* Get an instance of the property with the correct initial value.
*
* Return value: An instance of the property.
**/
FoProperty*
fo_property_color_get_initial (void)
{
static FoProperty *color = NULL;
if (color == NULL)
{
color =
fo_property_color_new ();
}
return color;
}
/**
* fo_property_color_new_attr:
* @property: Property from which to create a #PangoAttribute.
*
* Makes a new #PangoAttribute representing the current property.
*
* Returns: New #PangoAttribute.
**/
PangoAttribute*
fo_property_color_new_attr (FoProperty *property)
{
guint16 foreground_red;
guint16 foreground_green;
guint16 foreground_blue;
g_return_val_if_fail (FO_IS_PROPERTY_COLOR (property), NULL);
foreground_red =
fo_color_get_red (property->value);
foreground_green =
fo_color_get_green (property->value);
foreground_blue =
fo_color_get_blue (property->value);
return pango_attr_foreground_new (foreground_red,
foreground_green,
foreground_blue);
}
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