ardour/ardour
ardour/ardour
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optimize button pattern cache

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We really should statically cache patterns
as done in PixFader and Meters (Cairo's cache is
not nearly large enough)
This commit is contained in:
Robin Gareus 2014-09-06 02:04:59 +02:00
parent fb473475c3
commit 6f30c1fddb
2 changed files with 23 additions and 16 deletions
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36
gtk2_ardour/ardour_button.cc
View File

@ -87,7 +87,8 @@ ArdourButton::ArdourButton (Element e)
, _fallthrough_to_parent (false)
, _layout_ellipsize_width (-1)
, _ellipsis (Pango::ELLIPSIZE_NONE)
, _update_colors_and_patterns (true)
, _update_colors (true)
, _pattern_height (0)
{
ARDOUR_UI_UTILS::ColorsChanged.connect (sigc::mem_fun (*this, &ArdourButton::color_handler));
}
@ -173,10 +174,11 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *)
uint32_t text_color;
uint32_t led_color;
if (_update_colors_and_patterns) {
if (_update_colors) {
set_colors ();
}
if (get_height() != _pattern_height) {
build_patterns ();
_update_colors_and_patterns = false;
}
if ( active_state() == Gtkmm2ext::ExplicitActive ) {
@ -567,7 +569,11 @@ ArdourButton::on_size_request (Gtk::Requisition* req)
CairoWidget::on_size_request (req);
if (_diameter == 0) {
_diameter = rint (ARDOUR::Config->get_font_scale () / 1024. / 7.5); // 11px with 80% font-scaling
const float newdia = rint (ARDOUR::Config->get_font_scale () / 1024. / 7.5); // 11px with 80% font-scaling
if (_diameter != newdia) {
_pattern_height = 0;
_diameter = newdia;
}
}
if ((_elements & Text) && !_text.empty()) {
@ -625,6 +631,7 @@ ArdourButton::on_size_request (Gtk::Requisition* req)
void
ArdourButton::set_colors ()
{
_update_colors = false;
if (_fixed_colors_set) {
return;
}
@ -703,6 +710,7 @@ ArdourButton::build_patterns ()
if (led_inset_pattern) {
cairo_pattern_destroy (led_inset_pattern);
led_inset_pattern = 0;
}
//convex gradient
@ -715,13 +723,11 @@ ArdourButton::build_patterns ()
cairo_pattern_add_color_stop_rgba (concave_pattern, 0.0, 0,0,0, 0.5);
cairo_pattern_add_color_stop_rgba (concave_pattern, 0.7, 0,0,0, 0.0);
if (_elements & Indicator) {
led_inset_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 0, 0,0,0, 0.4);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 1, 1,1,1, 0.7);
}
led_inset_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 0, 0,0,0, 0.4);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 1, 1,1,1, 0.7);
CairoWidget::set_dirty ();
_pattern_height = get_height() ;
}
void
@ -800,7 +806,7 @@ ArdourButton::set_distinct_led_click (bool yn)
void
ArdourButton::color_handler ()
{
_update_colors_and_patterns = true;
_update_colors = true;
CairoWidget::set_dirty ();
}
@ -809,7 +815,7 @@ ArdourButton::on_size_allocate (Allocation& alloc)
{
CairoWidget::on_size_allocate (alloc);
setup_led_rect ();
_update_colors_and_patterns = true;
_update_colors = true;
}
void
@ -891,7 +897,7 @@ ArdourButton::on_name_changed ()
_char_pixel_width = 0;
_char_pixel_height = 0;
_diameter = 0;
_update_colors_and_patterns = true;
_update_colors = true;
if (is_realized()) {
queue_resize ();
}
@ -940,7 +946,7 @@ ArdourButton::set_active_state (Gtkmm2ext::ActiveState s)
bool changed = (_active_state != s);
CairoWidget::set_active_state (s);
if (changed) {
_update_colors_and_patterns = true;
_update_colors = true;
CairoWidget::set_dirty ();
}
}
@ -951,7 +957,7 @@ ArdourButton::set_visual_state (Gtkmm2ext::VisualState s)
bool changed = (_visual_state != s);
CairoWidget::set_visual_state (s);
if (changed) {
_update_colors_and_patterns = true;
_update_colors = true;
CairoWidget::set_dirty ();
}
}

3
gtk2_ardour/ardour_button.h
View File

@ -167,7 +167,8 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
bool _fallthrough_to_parent;
int _layout_ellipsize_width;
Pango::EllipsizeMode _ellipsis;
bool _update_colors_and_patterns;
bool _update_colors;
int _pattern_height;
void setup_led_rect ();
void set_colors ();