unsigned long gt_layout_get_height(const GtLayout *layout)
{
GtTracklineInfo lines;
double tmp, head_track_space = HEAD_TRACK_SPACE_DEFAULT;
bool show_track_captions;
unsigned long height,
line_height,
i;
gt_assert(layout);
/* get dynamic heights from tracks */
lines.style = layout->style; lines.height = 0;
(void) gt_hashmap_foreach(layout->tracks, add_tracklines,
&lines, NULL);
height = lines.height;
/* obtain line height and spacer from style */
if (gt_style_get_num(layout->style, "format", "bar_height", &tmp, NULL))
line_height = tmp;
else
line_height = BAR_HEIGHT_DEFAULT;
if (gt_style_get_num(layout->style, "format", "bar_vspace", &tmp, NULL))
line_height += tmp;
else
line_height += BAR_VSPACE_DEFAULT;
if (!(gt_style_get_bool(layout->style, "format","show_track_captions",
&show_track_captions, NULL)))
show_track_captions = true;
/* add custom track space allotment */
if (show_track_captions)
{
double theight = TOY_TEXT_HEIGHT,
captionspace = CAPTION_BAR_SPACE_DEFAULT;
(void) gt_style_get_num(layout->style, "format", "track_caption_font_size",
&theight, NULL);
(void) gt_style_get_num(layout->style, "format", "track_caption_space",
&captionspace, NULL);
height += gt_array_size(layout->custom_tracks)
* (theight + captionspace);
}
for (i=0;i<gt_array_size(layout->custom_tracks);i++)
{
GtCustomTrack *ct = *(GtCustomTrack**) gt_array_get(layout->custom_tracks,
i);
height += gt_custom_track_get_height(ct);
(void) gt_style_get_num(layout->style, "format", "track_vspace", &tmp,
NULL);
height += tmp;
}
/* add header space and footer */
(void) gt_style_get_num(layout->style, "format", "ruler_space",
&head_track_space, NULL);
height += HEADER_SPACE + head_track_space + FOOTER_SPACE;
return height;
}
int gt_layout_get_height(GtLayout *layout, unsigned long *result,
GtError *err)
{
int had_err = 0;
GtTracklineInfo lines;
double tmp, head_track_space = HEAD_TRACK_SPACE_DEFAULT;
bool show_track_captions = true;
unsigned long height, i;
gt_assert(layout);
had_err = layout_all_tracks(layout, err);
if (!had_err) {
/* get dynamic heights from tracks */
lines.style = layout->style;
lines.height = 0;
if (gt_hashmap_foreach(layout->tracks, add_tracklines, &lines, err) < 0) {
return -1;
}
height = lines.height;
if (gt_style_get_bool(layout->style,
"format","show_track_captions",
&show_track_captions,
NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
/* add custom track space allotment */
if (show_track_captions)
{
double theight = TEXT_SIZE_DEFAULT,
captionspace = CAPTION_BAR_SPACE_DEFAULT;
if (gt_style_get_num(layout->style,
"format", "track_caption_font_size",
&theight, NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
if (gt_style_get_num(layout->style,
"format", "track_caption_space",
&captionspace, NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
height += gt_array_size(layout->custom_tracks)
* (theight + captionspace);
}
for (i=0;i<gt_array_size(layout->custom_tracks);i++)
{
GtCustomTrack *ct = *(GtCustomTrack**) gt_array_get(layout->custom_tracks,
i);
height += gt_custom_track_get_height(ct);
if (gt_style_get_num(layout->style, "format", "track_vspace", &tmp,
NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
height += tmp;
}
/* add header space and footer */
if (gt_style_get_num(layout->style, "format", "ruler_space",
&head_track_space, NULL,
err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
height += HEADER_SPACE + head_track_space + FOOTER_SPACE;
*result = height;
return 0;
}
return had_err;
}
int gt_canvas_cairo_visit_custom_track(GtCanvas *canvas,
GtCustomTrack *ct,
GtError *err)
{
bool show_track_captions = true;
double space;
int had_err = 0;
GtColor color;
gt_assert(canvas && ct);
if (gt_style_get_bool(canvas->pvt->sty,
"format", "show_track_captions",
&show_track_captions,
NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
if (gt_style_get_color(canvas->pvt->sty, "format", "track_title_color",
&color, NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
if (show_track_captions)
{
double theight = gt_graphics_get_text_height(canvas->pvt->g),
captionspace = CAPTION_BAR_SPACE_DEFAULT;
if (gt_style_get_num(canvas->pvt->sty,
"format", "track_caption_font_size",
&theight, NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
/* draw track title */
gt_graphics_set_font(canvas->pvt->g,
"Sans",
SLANT_NORMAL,
WEIGHT_NORMAL,
theight);
gt_graphics_draw_colored_text(canvas->pvt->g,
canvas->pvt->margins,
canvas->pvt->y,
color,
gt_custom_track_get_title(ct));
if (gt_style_get_num(canvas->pvt->sty,
"format", "track_caption_space",
&captionspace, NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
canvas->pvt->y += theight + captionspace;
}
/* call rendering function */
had_err = gt_custom_track_render(ct,
canvas->pvt->g,
canvas->pvt->y,
canvas->pvt->viewrange,
canvas->pvt->sty,
err);
canvas->pvt->y += gt_custom_track_get_height(ct);
/* put spacers after track */
space = TRACK_VSPACE_DEFAULT;
if (gt_style_get_num(canvas->pvt->sty, "format", "track_vspace", &space,
NULL, err) == GT_STYLE_QUERY_ERROR) {
return -1;
}
canvas->pvt->y += space;
return had_err;
}
