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