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/*
* ld-symbol.h
*
* This file is a part of logdiag.
* Copyright Přemysl Janouch 2010. All rights reserved.
*
* See the file LICENSE for licensing information.
*
*/
#ifndef __LD_SYMBOL_H__
#define __LD_SYMBOL_H__
G_BEGIN_DECLS
#define LD_TYPE_SYMBOL_AREA (ld_symbol_area_get_type ())
typedef struct _LdSymbolArea LdSymbolArea;
/**
* LdSymbolArea:
* @x1: Left-top X coordinate.
* @y1: Left-top Y coordinate.
* @x2: Right-bottom X coordinate.
* @y2: Right-bottom Y coordinate.
*
* Defines the area of the symbol relative to the center of the symbol,
* which is at the (0, 0) coordinates.
*/
struct _LdSymbolArea
{
gdouble x1, y1;
gdouble x2, y2;
};
GType ld_symbol_area_get_type (void) G_GNUC_CONST;
LdSymbolArea *ld_symbol_area_copy (const LdSymbolArea *self);
void ld_symbol_area_free (LdSymbolArea *self);
#define LD_TYPE_SYMBOL (ld_symbol_get_type ())
#define LD_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_CAST \
((obj), LD_TYPE_SYMBOL, LdSymbol))
#define LD_SYMBOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST \
((klass), LD_TYPE_SYMBOL, LdSymbolClass))
#define LD_IS_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE \
((obj), LD_TYPE_SYMBOL))
#define LD_IS_SYMBOL_CLASS(klass) (G_TYPE_CHECK_INSTANCE_TYPE \
((klass), LD_TYPE_SYMBOL))
#define LD_SYMBOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS \
((obj), LD_SYMBOL, LdSymbolClass))
typedef struct _LdSymbol LdSymbol;
typedef struct _LdSymbolPrivate LdSymbolPrivate;
typedef struct _LdSymbolClass LdSymbolClass;
struct _LdSymbol
{
/*< private >*/
GObject parent_instance;
LdSymbolPrivate *priv;
};
/**
* LdSymbolClass:
* @parent_class: The parent class.
* @get_name: Get the name of the symbol.
* @get_human_name: Get the localized human name of the symbol.
* @get_area: Get the area of the symbol.
* @draw: Draw the symbol on a Cairo surface.
*/
struct _LdSymbolClass
{
GObjectClass parent_class;
const gchar *(*get_name) (LdSymbol *self);
const gchar *(*get_human_name) (LdSymbol *self);
void (*get_area) (LdSymbol *self, LdSymbolArea *area);
void (*draw) (LdSymbol *self, cairo_t *cr);
};
GType ld_symbol_get_type (void) G_GNUC_CONST;
const gchar *ld_symbol_get_name (LdSymbol *self);
const gchar *ld_symbol_get_human_name (LdSymbol *self);
void ld_symbol_get_area (LdSymbol *self, LdSymbolArea *area);
void ld_symbol_draw (LdSymbol *self, cairo_t *cr);
/* TODO: Interface for terminals.
* Something like a list of gdouble pairs (-> a new structure).
*/
G_END_DECLS
#endif /* ! __LD_SYMBOL_H__ */
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