ardour/livetrax
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livetrax/gtk2_ardour/plugin_dspload_ui.cc
Paul Davis b35518e212 switch from boost::{shared,weak}_ptr to std::{shared,weak}_ptr 
This is mostly a simple lexical search+replace but the absence of operator< for
std::weak_ptr<T> leads to some complications, particularly with Evoral::Sequence
and ExportPortChannel.
2023-03-24 14:19:15 -06:00

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/*
* Copyright (C) 2018 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "gtkmm2ext/utils.h"
#include "ardour/audioengine.h"
#include "plugin_dspload_ui.h"
#include "timers.h"
#include "pbd/i18n.h"
using namespace Gtkmm2ext;
using namespace Gtk;
PluginLoadStatsGui::PluginLoadStatsGui (std::shared_ptr<ARDOUR::PlugInsertBase> pib)
: _pib (pib)
, _lbl_min ("", ALIGN_END, ALIGN_CENTER)
, _lbl_max ("", ALIGN_END, ALIGN_CENTER)
, _lbl_avg ("", ALIGN_END, ALIGN_CENTER)
, _lbl_dev ("", ALIGN_END, ALIGN_CENTER)
, _reset_button (_("Reset"))
, _valid (false)
{
_reset_button.set_name ("generic button");
_reset_button.signal_clicked.connect (sigc::mem_fun (*this, &PluginLoadStatsGui::clear_stats));
_darea.signal_expose_event ().connect (sigc::mem_fun (*this, &PluginLoadStatsGui::draw_bar));
set_size_request_to_display_given_text (_lbl_dev, string_compose (_("%1 [ms]"), 99.123), 0, 0);
_darea.set_size_request (360, 32); // TODO max (320, 360 * UIConfiguration::instance().get_ui_scale ())
attach (*manage (new Gtk::Label (_("Minimum"), ALIGN_END, ALIGN_CENTER)),
0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (*manage (new Gtk::Label (_("Maximum"), ALIGN_END, ALIGN_CENTER)),
0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (*manage (new Gtk::Label (_("Average"), ALIGN_END, ALIGN_CENTER)),
0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (*manage (new Gtk::Label (_("Std.Dev"), ALIGN_END, ALIGN_CENTER)),
0, 1, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (_lbl_min, 1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (_lbl_max, 1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (_lbl_avg, 1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (_lbl_dev, 1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 0);
attach (*manage (new Gtk::VSeparator ()),
2, 3, 0, 4, Gtk::FILL, Gtk::FILL, 4, 0);
attach (_darea, 3, 4, 0, 4, Gtk::FILL|Gtk::EXPAND, Gtk::FILL, 4, 4);
attach (_reset_button, 4, 5, 2, 4, Gtk::FILL, Gtk::SHRINK);
}
void
PluginLoadStatsGui::start_updating () {
update_cpu_label ();
update_cpu_label_connection = Timers::second_connect (sigc::mem_fun(*this, &PluginLoadStatsGui::update_cpu_label));
}
void
PluginLoadStatsGui::stop_updating () {
_valid = false;
update_cpu_label_connection.disconnect ();
}
void
PluginLoadStatsGui::update_cpu_label()
{
if (_pib->get_stats (_min, _max, _avg, _dev)) {
_valid = true;
_lbl_min.set_text (string_compose (_("%1 [ms]"), rint (_min / 10.) / 100.));
_lbl_max.set_text (string_compose (_("%1 [ms]"), rint (_max / 10.) / 100.));
_lbl_avg.set_text (string_compose (_("%1 [ms]"), rint (_avg) / 1000.));
_lbl_dev.set_text (string_compose (_("%1 [ms]"), rint (_dev) / 1000.));
_lbl_dev.set_text (string_compose (_("%1 [ms]"), rint (_dev) / 1000.));
} else {
_valid = false;
_lbl_min.set_text ("-");
_lbl_max.set_text ("-");
_lbl_avg.set_text ("-");
_lbl_dev.set_text ("-");
}
_darea.queue_draw ();
}
bool
PluginLoadStatsGui::draw_bar (GdkEventExpose* ev)
{
Gtk::Allocation a = _darea.get_allocation ();
const int width = a.get_width ();
const int height = a.get_height ();
cairo_t* cr = gdk_cairo_create (_darea.get_window ()->gobj ());
cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
cairo_clip (cr);
Gdk::Color const bg = get_style ()->get_bg (STATE_NORMAL);
Gdk::Color const fg = get_style ()->get_fg (STATE_NORMAL);
cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
int border = (height / 7) | 1;
int x0 = 2;
int y0 = border;
int x1 = width - 2;
int y1 = (height - 3 * border) & ~1;
const int w = x1 - x0;
const int h = y1 - y0;
const double cycle_ms = ARDOUR::AudioEngine::instance()->usecs_per_cycle () / 1000.0;
const double base_mult = std::max (1.0, cycle_ms / 2.0);
const double log_base = log1p (base_mult);
#if 0 // Linear
# define DEFLECT(T) ( (T) * w * 8. / (9. * cycle_ms) )
#else
# define DEFLECT(T) ( log1p((T) * base_mult / cycle_ms) * w * 8. / (9 * log_base) )
#endif
cairo_save (cr);
rounded_rectangle (cr, x0, y0, w, h, 7);
cairo_set_source_rgba (cr, .0, .0, .0, 1);
cairo_set_line_width (cr, 1);
cairo_stroke_preserve (cr);
/* TODO statically cache these patterns
* like Meter::generate_meter_background
*/
if (_valid) {
cairo_pattern_t *pat = cairo_pattern_create_linear (x0, 0.0, w, 0.0);
cairo_pattern_add_color_stop_rgba (pat, 0, 0, 1, 0, .2);
cairo_pattern_add_color_stop_rgba (pat, 6. / 9., 0, 1, 0, .2);
cairo_pattern_add_color_stop_rgba (pat, 6.5 / 9., .8, .8, 0, .2);
cairo_pattern_add_color_stop_rgba (pat, 7.5 / 9., .8, .8, 0, .2);
cairo_pattern_add_color_stop_rgba (pat, 8. / 9., 1, 0, 0, .2);
cairo_set_source (cr, pat);
cairo_fill_preserve (cr);
cairo_pattern_destroy (pat);
cairo_clip (cr);
double xmin = DEFLECT(_min / 1000.);
double xmax = DEFLECT(_max / 1000.);
rounded_rectangle (cr, x0 + xmin, y0, xmax - xmin, h, 7);
pat = cairo_pattern_create_linear (x0, 0.0, w, 0.0);
cairo_pattern_add_color_stop_rgba (pat, 0, 0, 1, 0, .8);
cairo_pattern_add_color_stop_rgba (pat, 6. / 9., 0, 1, 0, .8);
cairo_pattern_add_color_stop_rgba (pat, 6.5 / 9., .8, .8, 0, .8);
cairo_pattern_add_color_stop_rgba (pat, 7.5 / 9., .8, .8, 0, .8);
cairo_pattern_add_color_stop_rgba (pat, 8. / 9., 1, 0, 0, .8);
cairo_set_source (cr, pat);
cairo_fill (cr);
cairo_pattern_destroy (pat);
} else {
cairo_set_source_rgba (cr, .4, .3, .1, .5);
cairo_fill (cr);
}
cairo_restore (cr);
Glib::RefPtr<Pango::Layout> layout;
layout = Pango::Layout::create (get_pango_context ());
cairo_set_line_width (cr, 1);
for (int i = 1; i < 9; ++i) {
int text_width, text_height;
#if 0 // Linear
double v = cycle_ms * i / 8.;
#else
double v = (exp (i * log_base / 8) - 1) * cycle_ms / base_mult;
#endif
double decimal = v > 10 ? 10 : 100;
layout->set_text (string_compose ("%1", rint (decimal * v) / decimal));
layout->get_pixel_size (text_width, text_height);
const int dx = w * i / 9.; // == DEFLECT (v)
cairo_move_to (cr, x0 + dx - .5, y0);
cairo_line_to (cr, x0 + dx - .5, y1);
cairo_set_source_rgba (cr, 1., 1., 1., 1.);
cairo_stroke (cr);
cairo_move_to (cr, x0 + dx - .5 * text_width, y1 + 1);
cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
pango_cairo_show_layout (cr, layout->gobj ());
}
{
int text_width, text_height;
layout->set_text ("0");
cairo_move_to (cr, x0 + 1, y1 + 1);
cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
pango_cairo_show_layout (cr, layout->gobj ());
layout->set_text (_("[ms]"));
layout->get_pixel_size (text_width, text_height);
cairo_move_to (cr, x0 + w - text_width - 1, y1 + 1);
pango_cairo_show_layout (cr, layout->gobj ());
}
if (_valid) {
double xavg = round (DEFLECT(_avg / 1000.));
double xd0 = DEFLECT((_avg - _dev) / 1000.);
double xd1 = DEFLECT((_avg + _dev) / 1000.);
cairo_move_to (cr, x0 + xavg - .5, y0 - 1);
cairo_rel_line_to (cr, -5, -5);
cairo_rel_line_to (cr, 10, 0);
cairo_close_path (cr);
cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
cairo_fill (cr);
cairo_save (cr);
rounded_rectangle (cr, x0, y0, w, h, 7);
cairo_clip (cr);
const double dashes[] = { 1, 2 };
cairo_set_dash (cr, dashes, 2, 0);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_line_width (cr, 1);
cairo_move_to (cr, x0 + xavg - .5, y0 - .5);
cairo_line_to (cr, x0 + xavg - .5, y1 + .5);
cairo_set_source_rgba (cr, .0, .0, .0, 1.);
cairo_stroke (cr);
cairo_set_dash (cr, 0, 0, 0);
if (xd1 - xd0 > 2) {
cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
const double ym = .5 + floor ((double)(y0 + h / 2));
const int h4 = h / 4;
cairo_set_line_width (cr, 1);
cairo_set_source_rgba (cr, 0, 0, 0, 1.);
cairo_move_to (cr, floor (x0 + xd0), ym);
cairo_line_to (cr, ceil (x0 + xd1), ym);
cairo_stroke (cr);
cairo_move_to (cr, floor (x0 + xd0) - .5, ym - h4);
cairo_line_to (cr, floor (x0 + xd0) - .5, ym + h4);
cairo_stroke (cr);
cairo_move_to (cr, ceil (x0 + xd1) - .5, ym - h4);
cairo_line_to (cr, ceil (x0 + xd1) - .5, ym + h4);
cairo_stroke (cr);
}
cairo_restore (cr);
}
#undef DEFLECT
cairo_destroy (cr);
return true;
}
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