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/*
* ld-symbol.c
*
* This file is a part of logdiag.
* Copyright Přemysl Janouch 2010. All rights reserved.
*
* See the file LICENSE for licensing information.
*
*/
#include <gtk/gtk.h>
#include "config.h"
#include "ld-symbol-library.h"
#include "ld-symbol-category.h"
#include "ld-symbol.h"
/**
* SECTION:ld-symbol
* @short_description: A symbol.
* @see_also: #LdDocument, #LdCanvas
*
* #LdSymbol represents a symbol in the #LdDocument that is in turn
* drawn onto the #LdCanvas.
*/
/*
* LdSymbolPrivate:
* @library: The parent LdSymbolLibrary.
* The library contains the real function for rendering.
*/
struct _LdSymbolPrivate
{
LdSymbolLibrary *library;
};
G_DEFINE_TYPE (LdSymbol, ld_symbol, G_TYPE_OBJECT);
static void
ld_symbol_finalize (GObject *gobject);
static void
ld_symbol_class_init (LdSymbolClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
object_class->finalize = ld_symbol_finalize;
g_type_class_add_private (klass, sizeof (LdSymbolPrivate));
}
static void
ld_symbol_init (LdSymbol *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LD_TYPE_SYMBOL_LIBRARY, LdSymbolPrivate);
}
static void
ld_symbol_finalize (GObject *gobject)
{
LdSymbol *self;
self = LD_SYMBOL (gobject);
g_object_unref (self->priv->library);
/* Chain up to the parent class. */
G_OBJECT_CLASS (ld_symbol_parent_class)->finalize (gobject);
}
/**
* ld_symbol_new:
* @library: A library object.
* @filename: The file from which the symbol will be loaded.
*
* Load a symbol from a file into the library.
*/
LdSymbol *ld_symbol_new (LdSymbolLibrary *library,
const gchar *filename)
{
LdSymbol *symbol;
symbol = g_object_new (LD_TYPE_SYMBOL, NULL);
/* TODO: Use the filename, Luke. */
symbol->priv->library = library;
g_object_ref (library);
}
/**
* ld_symbol_build_identifier:
* @self: A symbol object.
*
* Build an identifier for the symbol.
* The identifier is in the format "Category/Category/Symbol".
*/
char *
ld_symbol_build_identifier (LdSymbol *self)
{
return NULL;
}
/**
* ld_symbol_draw:
* @self: A symbol object.
* @surface: A cairo surface to be drawn on.
* @param: Parameters for the symbol in a table.
* @x: The X coordinate on the surface.
* @y: The Y coordinate on the surface.
* @zoom: Zoom ratio.
*
* Draw the symbol onto a Cairo surface.
*/
void
ld_symbol_draw (LdSymbol *self, cairo_t *surface,
GHashTable *param, gint x, gint y, gdouble zoom)
{
return;
}
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