diff options
| -rw-r--r-- | src/dw-hdfsee.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/dw-hdfsee.c b/src/dw-hdfsee.c index 9c42bf5b..115d29f4 100644 --- a/src/dw-hdfsee.c +++ b/src/dw-hdfsee.c @@ -146,6 +146,7 @@ static double ring_radius(struct image *image, double d) static void show_ring(cairo_t *cr, DisplayWindow *dw, double d, const char *label) { + cairo_text_extents_t size; cairo_identity_matrix(cr); cairo_translate(cr, -dw->min_x/dw->binning, dw->max_y/dw->binning); cairo_arc(cr, 0.0, 0.0, ring_radius(dw->image, d)/dw->binning, @@ -153,10 +154,15 @@ static void show_ring(cairo_t *cr, DisplayWindow *dw, cairo_set_source_rgb(cr, 1.0, 0.0, 0.0); cairo_set_line_width(cr, 1.0); cairo_stroke(cr); + cairo_rotate(cr, -M_PI/4.0); cairo_translate(cr, 0.0, ring_radius(dw->image, d)/dw->binning-5.0); cairo_set_font_size(cr, 20.0); + cairo_text_extents(cr, label, &size); + cairo_translate(cr, -size.width/2.0, 0.0); + + cairo_show_text(cr, label); cairo_fill(cr); } |