blob: 9dc43940685a2b480222b71ae2876161fd91d58c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* 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-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:
* @parent: The parent LdSymbolCategory. It is used to identify
* the object within it's library.
*/
struct _LdSymbolPrivate
{
LdSymbolCategory *parent;
};
G_DEFINE_ABSTRACT_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, LdSymbolPrivate);
}
static void
ld_symbol_finalize (GObject *gobject)
{
LdSymbol *self;
self = LD_SYMBOL (gobject);
g_object_unref (self->priv->parent);
/* Chain up to the parent class. */
G_OBJECT_CLASS (ld_symbol_parent_class)->finalize (gobject);
}
/**
* ld_symbol_build_identifier:
* @self: A symbol object.
*
* Build an identifier for the symbol.
* The identifier is in the format "Category/Category/Symbol".
*/
gchar *
ld_symbol_build_identifier (LdSymbol *self)
{
/* TODO: Implement. */
return NULL;
}
/**
* ld_symbol_draw:
* @self: A symbol object.
* @cr: A cairo surface to be drawn on.
*
* Draw the symbol onto a Cairo surface.
*/
void
ld_symbol_draw (LdSymbol *self, cairo_t *cr)
{
LdSymbolClass *klass;
g_return_if_fail (LD_IS_SYMBOL (self));
g_return_if_fail (cr != NULL);
klass = LD_SYMBOL_GET_CLASS (self);
if (klass->draw)
klass->draw (self, cr);
}
|
