/*
Add a query object to this Layer's list of queries.
@param (String)
@return (Query)
*/
static VALUE
add_query(VALUE self, VALUE query){
simplet_vector_layer_t *layer = get_layer(self);
simplet_query_t *qry;
Data_Get_Struct(query, simplet_query_t, qry);
simplet_vector_layer_add_query_directly(layer, qry);
VALUE circ_ref = self;
simplet_query_set_user_data(qry, (void *)circ_ref);
simplet_retain((simplet_retainable_t*) qry);
return query;
}
// Create and return a new layer instance.
simplet_layer_t*
simplet_layer_new(const char *datastring){
simplet_layer_t *layer;
if(!(layer = malloc(sizeof(*layer))))
return NULL;
memset(layer, 0, sizeof(*layer));
layer->source = simplet_copy_string(datastring);
layer->status = SIMPLET_OK;
if(!(layer->queries = simplet_list_new())){
free(layer);
return NULL;
}
simplet_retain((simplet_retainable_t *)layer);
return layer;
}
// Create and return a new lithograph, returns NULL on failure.
simplet_lithograph_t *
simplet_lithograph_new(cairo_t *ctx){
simplet_lithograph_t *litho;
if(!(litho = malloc(sizeof(*litho))))
return NULL;
memset(litho, 0, sizeof(*litho));
if(!(litho->placements = simplet_list_new(litho))){
free(litho);
return NULL;
}
litho->ctx = ctx;
litho->pango_ctx = pango_cairo_create_context(ctx);
cairo_reference(ctx);
simplet_retain((simplet_retainable_t *)litho);
return litho;
}