GtNodeStream* agn_filter_stream_new(GtNodeStream *in_stream,
GtHashmap *typestokeep)
{
GtNodeStream *ns;
AgnFilterStream *stream;
gt_assert(in_stream && typestokeep);
ns = gt_node_stream_create(filter_stream_class(), false);
stream = filter_stream_cast(ns);
stream->in_stream = gt_node_stream_ref(in_stream);
stream->cache = gt_queue_new();
stream->typestokeep = gt_hashmap_ref(typestokeep);
return ns;
}
GtLayout* gt_layout_new_with_twc(GtDiagram *diagram,
unsigned int width,
GtStyle *style,
GtTextWidthCalculator *twc,
GtError *err)
{
GtLayout *layout;
GtHashmap *blocks;
gt_assert(diagram);
gt_assert(style);
gt_assert(twc);
gt_assert(err);
if (check_width(width, style, err) < 0)
return NULL;
layout = gt_calloc(1, sizeof (GtLayout));
layout->twc = twc;
layout->style = style;
layout->width = width;
layout->blocks = NULL;
layout->viewrange = gt_diagram_get_range(diagram);
layout->nof_tracks = 0;
layout->track_ordering_func = NULL;
layout->block_ordering_func = gt_block_compare;
layout->t_cmp_data = NULL;
layout->b_cmp_data = NULL;
layout->lock = gt_rwlock_new();
layout->own_twc = false;
layout->layout_done = false;
layout->custom_tracks = gt_array_ref(gt_diagram_get_custom_tracks(diagram));
/* XXX: use other container type here! */
layout->tracks = gt_hashmap_new(GT_HASH_STRING, gt_free_func,
(GtFree) gt_track_delete);
blocks = gt_diagram_get_blocks(diagram, err);
if (!blocks) {
gt_array_delete(layout->custom_tracks);
gt_hashmap_delete(layout->tracks);
gt_free(layout);
return NULL;
} else
layout->blocks = gt_hashmap_ref(blocks);
return layout;
}