smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2026-01-03 20:29:35 +01:00
Code Issues Projects Releases Wiki Activity

ArdourButton: Render text on pixel boundaries

Browse source 
This fixes some occasional blurry font display when text
was rendered to non-integer pixel positions.
This commit is contained in:
Robin Gareus 2021-01-27 18:33:03 +01:00
parent 6636bba6ae
commit 42ac0f1d64
No known key found for this signature in database
GPG key ID: A090BCE02CF57F04
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
libs/widgets/ardour_button.cc
View file

@ -429,7 +429,7 @@ ArdourButton::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
cairo_new_path (cr);
Gtkmm2ext::set_source_rgba (cr, text_color);
const double text_ypos = (get_height() - _text_height) * .5;
const double text_ypos = round ((get_height() - _text_height) * .5);
if (_elements & Menu) {
// always left align (dropdown)
@ -438,7 +438,7 @@ ArdourButton::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
} else if ( (_elements & Indicator) == Indicator) {
// left/right align depending on LED position
if (_led_left) {
cairo_move_to (cr, text_margin + _diameter + .5 * char_pixel_width(), text_ypos);
cairo_move_to (cr, round (text_margin + _diameter + .5 * char_pixel_width()), text_ypos);
} else {
cairo_move_to (cr, text_margin, text_ypos);
}
@ -474,7 +474,7 @@ ArdourButton::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
*/
if (_xalign < 0) xa = ceil(.5 + (ww * fabs(_xalign) + text_margin));
cairo_move_to (cr, xa + m1.x0, ya + m1.y0);
cairo_move_to (cr, round (xa + m1.x0), round (ya + m1.y0));
pango_cairo_update_layout(cr, _layout->gobj());
pango_cairo_show_layout (cr, _layout->gobj());
}