/**
* Initialise image content handlers
*
* \return NSERROR_OK on success, appropriate error otherwise.
*/
nserror image_init(void)
{
nserror error = NSERROR_OK;
#ifdef WITH_BMP
error = nsbmp_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_GIF
error = nsgif_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_BMP
error = nsico_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_JPEG
error = nsjpeg_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_PNG
error = nspng_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_NSSPRITE
error = nssprite_init();
if (error != NSERROR_OK)
return error;
#endif
/* Prefer rsvg over libsvgtiny for svgs */
#ifdef WITH_NS_SVG
error = svg_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_RSVG
error = nsrsvg_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_WEBP
error = nswebp_init();
if (error != NSERROR_OK)
return error;
#endif
return error;
}
// generate a svg
void Layer::save_svg(const char *filename) {
FILE *file;
file = fopen(filename, "w");
svg_init(file);
svg_comment("slice in for height=%f", height);
for(std::vector<line*>::iterator it = segments->begin(); it != segments->end(); it++) {
line *l = *it;
svg_line(l->p1.x, l->p1.y, l->p2.x, l->p2.y);
}
svg_footer();
fclose(file);
}
int main(int argc, char *argv[])
{
struct rooted_tree *tree;
struct parameters params;
int align_leaves;
int with_scale_bar;
enum display_status status;
void (*node_destroyer)(struct rnode *) = NULL;
params = get_params(argc, argv);
if (params.svg) {
set_svg_parameters(params);
if(! svg_init()) {
fprintf (stderr, "%s\n", get_last_error_message());
exit(EXIT_FAILURE);
}
node_destroyer = destroy_svg_node_data;
}
while (NULL != (tree = parse_tree())) {
align_leaves = is_cladogram(tree);
/* show scale bar IFF tree is NOT a cladogram. Since
* is_cladogram() takes some time to run, we just look
* up 'align_leaves' which has the same value. */
with_scale_bar = !align_leaves;
/* User can also suppress scale bar */
if (params.no_scale_bar) with_scale_bar = FALSE;
if (params.svg) {
svg_header(leaf_count(tree), with_scale_bar);
svg_run_params_comment(argc, argv);
status = display_svg_tree(tree,
align_leaves, with_scale_bar,
params.branch_length_unit);
switch(status) {
case DISPLAY_OK:
break;
assert(0);
case DISPLAY_MEM_ERROR:
perror(NULL);
exit(EXIT_FAILURE);
/* The following two should never happen */
case DISPLAY_UNKNOWN_STYLE:
default:
assert(0);
}
svg_footer();
} else {
prettify_labels(tree);
status = display_tree(tree, params.width,
align_leaves,
params.inner_label_pos,
with_scale_bar,
params.branch_length_unit,
params.scale_zero_at_root);
switch(status) {
case DISPLAY_OK:
break;
assert(0);
case DISPLAY_MEM_ERROR:
perror(NULL);
exit(EXIT_FAILURE);
/* The following two should never happen */
case DISPLAY_UNKNOWN_STYLE:
default:
assert(0);
}
}
destroy_tree_cb(tree, node_destroyer);
}
return 0;
}