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#include "spritedrawingarea.h"
#include "sdalayer.h"
#include "sdalayerprivate.h"
enum {
PROP_0,
PROP_VISIBLE,
PROP_OFFSET_X,
PROP_OFFSET_Y,
PROP_DRAW_FUNC,
PROP_USER_DATA,
PROP_Z_INDEX,
PROP_COUNT
};
static void
sda_layer_get_property (
GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec
) {
SDALayer *layer = SDA_LAYER (object);
SDALayerPrivate *priv = layer->priv;
switch (prop_id) {
case PROP_VISIBLE:
g_value_set_boolean (
value, priv->visible
);
break;
case PROP_OFFSET_X:
g_value_set_int (
value, priv->offset_x
);
break;
case PROP_OFFSET_Y:
g_value_set_int (
value, priv->offset_y
);
break;
case PROP_Z_INDEX:
g_value_set_int (
value, priv->z_index
);
break;
case PROP_DRAW_FUNC:
g_value_set_pointer (
value, (gpointer) priv->draw_func
);
break;
case PROP_USER_DATA:
g_value_set_pointer (
value, priv->user_data
);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
sda_layer_set_property (
GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec
) {
SDALayer *layer = SDA_LAYER (object);
SDALayerPrivate *priv = layer->priv;
switch (prop_id) {
case PROP_VISIBLE:
priv->visible = g_value_get_boolean (value);
break;
case PROP_OFFSET_X:
priv->offset_x = g_value_get_int (value);
break;
case PROP_OFFSET_Y:
priv->offset_y = g_value_get_int (value);
break;
case PROP_Z_INDEX:
priv->z_index = g_value_get_int (value);
break;
case PROP_DRAW_FUNC:
priv->draw_func = (SDALayerDrawFunc) g_value_get_pointer (value);
break;
case PROP_USER_DATA:
priv->user_data = g_value_get_pointer (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
void
sda_layer_init (
SDALayer *layer,
SDALayerClass *class
) {
layer->priv = G_TYPE_INSTANCE_GET_PRIVATE (
layer,
SDA_TYPE_LAYER,
SDALayerPrivate
);
layer->priv->draw_func = NULL;
layer->priv->user_data = NULL;
}
void
sda_layer_class_init (
SDALayerClass *klass,
gpointer class_data
) {
GObjectClass *object_class;
g_type_class_add_private (klass, sizeof (SDALayerPrivate));
object_class = G_OBJECT_CLASS (klass);
object_class->set_property = sda_layer_set_property;
object_class->get_property = sda_layer_get_property;
g_object_class_install_property (
object_class,
PROP_VISIBLE,
g_param_spec_boolean (
"visible",
"Visible",
"Whether this layer is visible",
TRUE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT
)
);
g_object_class_install_property (
object_class,
PROP_OFFSET_X,
g_param_spec_int (
"offset-x",
"Offset X",
"The X coordinate of the layer offset",
-SPRITE_DRAWING_AREA_FIELD_SIZE,
SPRITE_DRAWING_AREA_FIELD_SIZE,
0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT
)
);
g_object_class_install_property (
object_class,
PROP_OFFSET_Y,
g_param_spec_int (
"offset-y",
"Offset y",
"The Y coordinate of the layer offset",
-SPRITE_DRAWING_AREA_FIELD_SIZE,
SPRITE_DRAWING_AREA_FIELD_SIZE,
0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT
)
);
g_object_class_install_property (
object_class,
PROP_DRAW_FUNC,
g_param_spec_pointer (
"draw-func",
"Draw function",
"A function invoked to draw the layer",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY
)
);
g_object_class_install_property (
object_class,
PROP_USER_DATA,
g_param_spec_pointer (
"user-data",
"User data",
"Data that will be propagated to the draw"
" function upon call",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT
)
);
g_object_class_install_property (
object_class,
PROP_Z_INDEX,
g_param_spec_int (
"z-index",
"Z-index",
"Z-index of the layer",
-1024, 1024, 0,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT
)
);
}
GType
sda_layer_get_type (void) {
static GType sda_layer_type = 0;
if (sda_layer_type == 0) {
const GTypeInfo sda_layer_info = {
sizeof (SDALayerClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) sda_layer_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (SDALayer),
0, /* n_preallocs */
(GInstanceInitFunc) sda_layer_init,
NULL, /* value_table */
};
sda_layer_type = g_type_register_static (
G_TYPE_OBJECT,
"SDALayer",
&sda_layer_info,
0
);
}
return sda_layer_type;
}
SDALayer *sda_layer_new (
SDALayerDrawFunc draw_func,
gpointer user_data
) {
return g_object_new (
SDA_TYPE_LAYER,
"draw-func", draw_func,
"user-data", user_data,
NULL
);
}
gint
sda_layer_compare_by_z_index (
const SDALayer *a,
const SDALayer *b
) {
return a->priv->z_index - b->priv->z_index;
}
void
sda_layer_set_z_index (SDALayer *layer, gint z_index) {
g_object_set (layer, "z-index", z_index, NULL);
}
void
sda_layer_set_visible (SDALayer *layer, gboolean visible) {
g_object_set (layer, "visible", visible, NULL);
}
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