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Add more properties to LdSymbol.

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Also move the actual storage of symbol properties to implementations
of the abstract LdSymbol class. All the properties are read only.
This commit is contained in:
Přemysl Eric Janouch
2010-10-27 15:52:36 +02:00
parent aa33db342b
commit 9156953cc9
5 changed files with 142 additions and 74 deletions
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32
src/ld-symbol.h
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@@ -30,6 +30,8 @@ typedef struct _LdSymbol LdSymbol;
typedef struct _LdSymbolPrivate LdSymbolPrivate;
typedef struct _LdSymbolClass LdSymbolClass;
typedef struct _LdSymbolArea LdSymbolArea;
/**
* LdSymbol:
@@ -42,27 +44,51 @@ struct _LdSymbol
LdSymbolPrivate *priv;
};
/**
* 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;
};
/**
* 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;
void ld_symbol_set_name (LdSymbol *self, const gchar *name);
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 symbol terminals. */
/* TODO: Interface for terminals.
* Something like a list of gdouble pairs (-> a new structure).
*/
G_END_DECLS