diff options
Diffstat (limited to 'gtk2_ardour/plugin_dspload_ui.cc')
| -rw-r--r-- | gtk2_ardour/plugin_dspload_ui.cc | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/gtk2_ardour/plugin_dspload_ui.cc b/gtk2_ardour/plugin_dspload_ui.cc new file mode 100644 index 0000000000..3f7f5398ea --- /dev/null +++ b/gtk2_ardour/plugin_dspload_ui.cc @@ -0,0 +1,268 @@ +/* + * 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/session.h" + +#include "plugin_dspload_ui.h" +#include "timers.h" + +#include "pbd/i18n.h" + +using namespace Gtkmm2ext; +using namespace Gtk; + +PluginLoadStatsGui::PluginLoadStatsGui (boost::shared_ptr<ARDOUR::PluginInsert> insert) + : _insert (insert) + , _lbl_min ("", ALIGN_RIGHT, ALIGN_CENTER) + , _lbl_max ("", ALIGN_RIGHT, ALIGN_CENTER) + , _lbl_avg ("", ALIGN_RIGHT, ALIGN_CENTER) + , _lbl_dev ("", ALIGN_RIGHT, 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); + + attach (*manage (new Gtk::Label (_("Minimum"), ALIGN_RIGHT, ALIGN_CENTER)), + 0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 0); + attach (*manage (new Gtk::Label (_("Maximum"), ALIGN_RIGHT, ALIGN_CENTER)), + 0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 0); + attach (*manage (new Gtk::Label (_("Average"), ALIGN_RIGHT, ALIGN_CENTER)), + 0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 0); + attach (*manage (new Gtk::Label (_("Std.Dev"), ALIGN_RIGHT, 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 (_insert->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 = 1000. * _insert->session().get_block_size() / (double)_insert->session().nominal_sample_rate(); + + 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); + + 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, .7); + cairo_pattern_add_color_stop_rgba (pat, 6. / 9., 0, 1, 0, .7); + cairo_pattern_add_color_stop_rgba (pat, 6.5 / 9., .8, .8, 0, .7); + cairo_pattern_add_color_stop_rgba (pat, 7.5 / 9., .8, .8, 0, .7); + cairo_pattern_add_color_stop_rgba (pat, 8. / 9., 1, 0, 0, .7); + cairo_set_source (cr, pat); + cairo_pattern_destroy (pat); + cairo_fill_preserve (cr); + } else { + cairo_set_source_rgba (cr, .4, .3, .1, .5); + cairo_fill_preserve (cr); + } + + + cairo_clip (cr); + + if (_valid) { + double xmin = DEFLECT(_min / 1000.); + double xmax = DEFLECT(_max / 1000.); + + rounded_rectangle (cr, x0 + xmin, y0, xmax - xmin, h, 7); + cairo_set_source_rgba (cr, .8, .8, .9, .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; +} + + + |