2 Copyright (C) 2013 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <gtkmm2ext/cairo_widget.h>
21 #include <gtkmm2ext/gtk_ui.h>
22 #include <gtkmm2ext/utils.h>
23 #include <gtkmm2ext/rgb_macros.h>
25 #include <ardour/rc_configuration.h>
26 #include "ardour_ui.h"
29 #include "meter_patterns.h"
33 using namespace ARDOUR;
36 using namespace Gtkmm2ext;
38 using namespace ArdourMeter;
40 static const int max_pattern_metric_size = 1026;
42 /* signals used by meters */
44 sigc::signal<void> ArdourMeter::ResetAllPeakDisplays;
45 sigc::signal<void,ARDOUR::Route*> ArdourMeter::ResetRoutePeakDisplays;
46 sigc::signal<void,ARDOUR::RouteGroup*> ArdourMeter::ResetGroupPeakDisplays;
47 sigc::signal<void> ArdourMeter::RedrawMetrics;
49 sigc::signal<void, int, ARDOUR::RouteGroup*, ARDOUR::MeterType> ArdourMeter::SetMeterTypeMulti;
54 struct MeterMatricsMapKey {
55 MeterMatricsMapKey (std::string n, MeterType t)
59 inline bool operator<(const MeterMatricsMapKey& rhs) const {
60 return (_n < rhs._n) || (_n == rhs._n && _t < rhs._t);
66 namespace ArdourMeter {
67 typedef std::map<MeterMatricsMapKey, cairo_pattern_t*> MetricPatternMap;
70 static ArdourMeter::MetricPatternMap ticks_patterns;
71 static ArdourMeter::MetricPatternMap metric_patterns;
75 ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
82 return _("RMS + Peak");
88 return _("IEC1/Nordic");
111 static inline float mtr_col_and_fract(
112 cairo_t* cr, Gdk::Color const * const c, const uint32_t peakcolor, const MeterType mt, const float val)
120 fraction = log_meter (val);
121 if (val >= 0 || val == -9) {
122 cairo_set_source_rgb (cr,
123 UINT_RGBA_R_FLT(peakcolor),
124 UINT_RGBA_G_FLT(peakcolor),
125 UINT_RGBA_B_FLT(peakcolor));
127 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
131 fraction = meter_deflect_ppm(val);
132 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
135 fraction = meter_deflect_ppm(val);
137 cairo_set_source_rgb (cr,
138 UINT_RGBA_R_FLT(peakcolor),
139 UINT_RGBA_G_FLT(peakcolor),
140 UINT_RGBA_B_FLT(peakcolor));
142 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
146 fraction = meter_deflect_nordic(val);
148 cairo_set_source_rgb (cr,
149 UINT_RGBA_R_FLT(peakcolor),
150 UINT_RGBA_G_FLT(peakcolor),
151 UINT_RGBA_B_FLT(peakcolor));
153 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
157 fraction = meter_deflect_din(val);
159 cairo_set_source_rgb (cr,
160 UINT_RGBA_R_FLT(peakcolor),
161 UINT_RGBA_G_FLT(peakcolor),
162 UINT_RGBA_B_FLT(peakcolor));
164 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
168 fraction = meter_deflect_vu(val);
170 cairo_set_source_rgb (cr,
171 UINT_RGBA_R_FLT(peakcolor),
172 UINT_RGBA_G_FLT(peakcolor),
173 UINT_RGBA_B_FLT(peakcolor));
175 cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
179 fraction = meter_deflect_k (val, 20);
181 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
182 } else if (val >= -20.0) {
183 cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
185 cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
190 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
191 } else if (val >= -14.0) {
192 cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
194 cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
196 fraction = meter_deflect_k (val, 14);
202 static void set_bg_color(Gtk::Widget& w, cairo_t* cr, MeterType type) {
206 if (rgba_p_from_style("meterstripVU", &r, &g, &b, "bg")) {
207 cairo_set_source_rgb (cr, r, g, b);
209 cairo_set_source_rgb (cr, 1.0, 1.0, 0.85);
218 if (rgba_p_from_style("meterstripPPM", &r, &g, &b, "bg")) {
219 cairo_set_source_rgb (cr, r, g, b);
221 cairo_set_source_rgb (cr, 0.1, 0.1, 0.1);
226 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
227 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
233 static void set_fg_color(Gtk::Widget& w, MeterType type, Gdk::Color * c) {
237 if (rgba_p_from_style("meterstripVU", &r, &g, &b)) {
238 c->set_rgb_p(r, g, b);
240 c->set_rgb_p(0.0, 0.0, 0.0);
244 if (rgba_p_from_style("meterstripPPM", &r, &g, &b)) {
245 c->set_rgb_p(r, g, b);
247 c->set_rgb_p(1.0, 1.0, 1.0);
253 static cairo_pattern_t*
254 meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> types)
256 Glib::RefPtr<Gdk::Window> win (w.get_window());
260 win->get_size (width, height);
261 background = types.size() == 0
262 || w.get_name().substr(w.get_name().length() - 4) == "Left"
263 || w.get_name().substr(w.get_name().length() - 5) == "Right";
265 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
266 cairo_t* cr = cairo_create (surface);
268 cairo_move_to (cr, 0, 0);
269 cairo_rectangle (cr, 0, 0, width, height);
273 set_bg_color(w, cr, type);
276 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
277 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
281 height = min(max_pattern_metric_size, height);
282 uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
284 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
287 if (types.size() > 1 && (*i) == DataType::MIDI) {
288 /* we're overlaying more than 1 set of marks, so use different colours */
289 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
290 } else if (background) {
291 set_fg_color(w, type, &c);
292 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
294 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
296 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
298 // tick-maker position in dBFS, line-thickness
299 std::map<float,float> points;
302 case DataType::AUDIO:
306 points.insert (std::pair<float,float>(-54.0f, 1.0));
307 points.insert (std::pair<float,float>(-44.0f, 1.0));
308 points.insert (std::pair<float,float>(-34.0f, 1.0));
309 points.insert (std::pair<float,float>(-24.0f, 1.0));
310 points.insert (std::pair<float,float>(-20.0f, 1.0));
311 points.insert (std::pair<float,float>(-17.0f, 1.0));
312 points.insert (std::pair<float,float>(-14.0f, 1.0));
313 points.insert (std::pair<float,float>(-11.0f, 1.0));
314 points.insert (std::pair<float,float>( -8.0f, 1.0));
315 points.insert (std::pair<float,float>( -4.0f, 1.0));
316 points.insert (std::pair<float,float>( 0.0f, 1.0));
319 points.insert (std::pair<float,float>(-60.0f, 1.0));
320 points.insert (std::pair<float,float>(-50.0f, 1.0));
321 points.insert (std::pair<float,float>(-40.0f, 1.0));
322 points.insert (std::pair<float,float>(-30.0f, 1.0));
323 points.insert (std::pair<float,float>(-26.0f, 1.0));
324 points.insert (std::pair<float,float>(-23.0f, 1.0));
325 points.insert (std::pair<float,float>(-20.0f, 1.0));
326 points.insert (std::pair<float,float>(-17.0f, 1.0));
327 points.insert (std::pair<float,float>(-14.0f, 1.0));
328 points.insert (std::pair<float,float>(-10.0f, 1.0));
329 points.insert (std::pair<float,float>( -5.0f, 1.0));
330 points.insert (std::pair<float,float>( 0.0f, 1.0));
333 points.insert (std::pair<float,float>(-30.0f, 1.0));
334 points.insert (std::pair<float,float>(-28.0f, 0.5));
335 points.insert (std::pair<float,float>(-26.0f, 1.0));
336 points.insert (std::pair<float,float>(-24.0f, 0.5));
337 points.insert (std::pair<float,float>(-22.0f, 1.0));
338 points.insert (std::pair<float,float>(-20.0f, 0.5));
339 points.insert (std::pair<float,float>(-18.0f, 1.0));
340 points.insert (std::pair<float,float>(-16.0f, 0.5));
341 points.insert (std::pair<float,float>(-14.0f, 1.0));
342 points.insert (std::pair<float,float>(-12.0f, 0.5));
343 points.insert (std::pair<float,float>(-10.0f, 1.0));
344 points.insert (std::pair<float,float>( -9.0f, 0.5));
345 points.insert (std::pair<float,float>( -8.0f, 0.5));
346 points.insert (std::pair<float,float>( -6.0f, 1.0));
349 points.insert (std::pair<float,float>(-30.0f, 1.0));
350 points.insert (std::pair<float,float>(-26.0f, 1.0));
351 points.insert (std::pair<float,float>(-22.0f, 1.0));
352 points.insert (std::pair<float,float>(-18.0f, 1.0));
353 points.insert (std::pair<float,float>(-14.0f, 1.0));
354 points.insert (std::pair<float,float>(-10.0f, 1.0));
355 points.insert (std::pair<float,float>( -6.0f, 1.0));
358 points.insert (std::pair<float,float>(-60.0f, 1.0)); // -42
359 points.insert (std::pair<float,float>(-57.0f, 0.5));
360 points.insert (std::pair<float,float>(-54.0f, 1.0));
361 points.insert (std::pair<float,float>(-51.0f, 0.5));
362 points.insert (std::pair<float,float>(-48.0f, 1.0));
363 points.insert (std::pair<float,float>(-45.0f, 0.5));
364 points.insert (std::pair<float,float>(-42.0f, 1.0));
365 points.insert (std::pair<float,float>(-39.0f, 0.5));
366 points.insert (std::pair<float,float>(-36.0f, 1.0));
368 points.insert (std::pair<float,float>(-33.0f, 1.0));
369 points.insert (std::pair<float,float>(-30.0f, 1.0));
370 points.insert (std::pair<float,float>(-27.0f, 1.0));
371 points.insert (std::pair<float,float>(-24.0f, 1.0));
372 points.insert (std::pair<float,float>(-21.0f, 1.0));
374 points.insert (std::pair<float,float>(-18.0f, 1.0));
375 points.insert (std::pair<float,float>(-15.0f, 1.0));
376 points.insert (std::pair<float,float>(-12.0f, 1.0));
377 points.insert (std::pair<float,float>( -9.0f, 1.0));
378 points.insert (std::pair<float,float>( -6.0f, 1.0));
381 points.insert (std::pair<float,float>( -3.0f, 0.5)); // "200%"
382 points.insert (std::pair<float,float>( -4.0f, 1.0)); // "100%"
383 points.insert (std::pair<float,float>( -9.0f, 1.0));
384 points.insert (std::pair<float,float>(-14.0f, 1.0));
385 points.insert (std::pair<float,float>(-15.0f, 0.5)); // "50%"
386 points.insert (std::pair<float,float>(-18.0f, 0.5)); // "-9"
387 points.insert (std::pair<float,float>(-19.0f, 1.0)); // "30%"
388 points.insert (std::pair<float,float>(-29.0f, 1.0)); // "10%"
389 points.insert (std::pair<float,float>(-35.0f, 0.5)); // "5%" " -20"
390 points.insert (std::pair<float,float>(-39.0f, 1.0)); // "3%"
391 points.insert (std::pair<float,float>(-49.0f, 0.5)); // "1%"
392 points.insert (std::pair<float,float>(-59.0f, 1.0));
395 points.insert (std::pair<float,float>(-17.0f, 1.0));
396 points.insert (std::pair<float,float>(-18.0f, 1.0));
397 points.insert (std::pair<float,float>(-19.0f, 1.0));
398 points.insert (std::pair<float,float>(-20.0f, 1.0));
399 points.insert (std::pair<float,float>(-21.0f, 1.0));
400 points.insert (std::pair<float,float>(-22.0f, 1.0));
401 points.insert (std::pair<float,float>(-23.0f, 1.0));
402 points.insert (std::pair<float,float>(-25.0f, 1.0));
403 points.insert (std::pair<float,float>(-27.0f, 1.0));
404 points.insert (std::pair<float,float>(-30.0f, 1.0));
405 points.insert (std::pair<float,float>(-40.0f, 1.0));
409 points.insert (std::pair<float,float>(-60, 0.5));
410 points.insert (std::pair<float,float>(-50, 1.0));
411 points.insert (std::pair<float,float>(-40, 1.0));
412 points.insert (std::pair<float,float>(-30, 1.0));
413 if (Config->get_meter_line_up_level() == MeteringLineUp24) {
414 points.insert (std::pair<float,float>(-24, 1.0));
416 points.insert (std::pair<float,float>(-25, 1.0));
418 points.insert (std::pair<float,float>(-20, 1.0));
420 points.insert (std::pair<float,float>(-19, 0.5));
421 points.insert (std::pair<float,float>(-18, 1.0));
422 points.insert (std::pair<float,float>(-17, 0.5));
423 points.insert (std::pair<float,float>(-16, 0.5));
424 points.insert (std::pair<float,float>(-15, 1.0));
426 points.insert (std::pair<float,float>(-14, 0.5));
427 points.insert (std::pair<float,float>(-13, 0.5));
428 points.insert (std::pair<float,float>(-12, 0.5));
429 points.insert (std::pair<float,float>(-11, 0.5));
430 points.insert (std::pair<float,float>(-10, 1.0));
432 points.insert (std::pair<float,float>( -9, 1.0));
433 points.insert (std::pair<float,float>( -8, 0.5));
434 points.insert (std::pair<float,float>( -7, 0.5));
435 points.insert (std::pair<float,float>( -6, 0.5));
436 points.insert (std::pair<float,float>( -5, 1.0));
437 points.insert (std::pair<float,float>( -4, 0.5));
438 points.insert (std::pair<float,float>( -3, 1.0));
439 points.insert (std::pair<float,float>( -2, 0.5));
440 points.insert (std::pair<float,float>( -1, 0.5));
442 points.insert (std::pair<float,float>( 0, 1.0));
443 points.insert (std::pair<float,float>( 1, 0.5));
444 points.insert (std::pair<float,float>( 2, 0.5));
445 points.insert (std::pair<float,float>( 3, 1.0));
446 points.insert (std::pair<float,float>( 4, 0.5));
447 points.insert (std::pair<float,float>( 5, 0.5));
453 points.insert (std::pair<float,float>( 0, 1.0));
454 points.insert (std::pair<float,float>( 16, 0.5));
455 points.insert (std::pair<float,float>( 32, 0.5));
456 points.insert (std::pair<float,float>( 48, 0.5));
457 points.insert (std::pair<float,float>( 64, 1.0));
458 points.insert (std::pair<float,float>( 80, 0.5));
459 points.insert (std::pair<float,float>( 96, 0.5));
460 points.insert (std::pair<float,float>(100, 1.0));
461 points.insert (std::pair<float,float>(112, 0.5));
462 points.insert (std::pair<float,float>(127, 1.0));
466 for (std::map<float,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
467 cairo_set_line_width (cr, (j->second));
473 case DataType::AUDIO:
474 fraction = mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
476 pos = height - (gint) floor (height * fraction);
478 cairo_move_to(cr, 0, pos + .5);
479 cairo_line_to(cr, 3, pos + .5);
483 fraction = (j->first) / 127.0;
484 pos = 1 + height - (gint) floor (height * fraction);
485 pos = min (pos, height);
486 cairo_arc(cr, 1.5, pos + .5, 1.0, 0, 2 * M_PI);
493 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
496 cairo_surface_destroy (surface);
501 static cairo_pattern_t*
502 meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
504 Glib::RefPtr<Gdk::Window> win (w.get_window());
506 bool tickleft, tickright;
509 win->get_size (width, height);
511 tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
512 tickright = w.get_name().substr(w.get_name().length() - 5) == "Right";
513 background = types.size() == 0 || tickleft || tickright;
515 if (!tickleft && !tickright) {
519 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
520 cairo_t* cr = cairo_create (surface);
521 Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
523 Pango::AttrList audio_font_attributes;
524 Pango::AttrList midi_font_attributes;
525 Pango::AttrList unit_font_attributes;
527 Pango::AttrFontDesc* font_attr;
528 Pango::FontDescription font;
530 font = Pango::FontDescription ("ArdourMono");
531 double fixfontsize = 81920.0 / (double) ARDOUR::Config->get_font_scale();
533 font.set_weight (Pango::WEIGHT_NORMAL);
534 font.set_size (9.0 * PANGO_SCALE * fixfontsize);
535 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
536 audio_font_attributes.change (*font_attr);
539 font.set_weight (Pango::WEIGHT_ULTRALIGHT);
540 font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
541 font.set_size (8.0 * PANGO_SCALE * fixfontsize);
542 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
543 midi_font_attributes.change (*font_attr);
546 font.set_size (6.0 * PANGO_SCALE * fixfontsize);
547 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
548 unit_font_attributes.change (*font_attr);
551 cairo_move_to (cr, 0, 0);
552 cairo_rectangle (cr, 0, 0, width, height);
555 set_bg_color(w, cr, type);
558 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
559 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
563 cairo_set_line_width (cr, 1.0);
565 height = min(max_pattern_metric_size, height);
566 uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
569 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
571 if (types.size() > 1 && (*i) == DataType::MIDI) {
572 /* we're overlaying more than 1 set of marks, so use different colours */
573 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
574 } else if (background) {
575 set_fg_color(w, type, &c);
576 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
578 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
580 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
583 // label-pos in dBFS, label-text
584 std::map<float,string> points;
587 case DataType::AUDIO:
588 layout->set_attributes (audio_font_attributes);
591 points.insert (std::pair<float,string>(-54.0f, "-40"));
592 points.insert (std::pair<float,string>(-44.0f, "-30"));
593 points.insert (std::pair<float,string>(-34.0f, "-20"));
594 points.insert (std::pair<float,string>(-24.0f, "-10"));
595 points.insert (std::pair<float,string>(-20.0f, "-6"));
596 points.insert (std::pair<float,string>(-17.0f, "-3"));
597 points.insert (std::pair<float,string>(-14.0f, "0"));
598 points.insert (std::pair<float,string>(-11.0f, "+3"));
599 points.insert (std::pair<float,string>( -8.0f, "+6"));
600 points.insert (std::pair<float,string>( -4.0f, "+10"));
601 points.insert (std::pair<float,string>( 0.0f, "+14"));
604 points.insert (std::pair<float,string>(-60.0f, "-40"));
605 points.insert (std::pair<float,string>(-50.0f, "-30"));
606 points.insert (std::pair<float,string>(-40.0f, "-20"));
607 points.insert (std::pair<float,string>(-30.0f, "-10"));
608 points.insert (std::pair<float,string>(-26.0f, "-6"));
609 points.insert (std::pair<float,string>(-23.0f, "-3"));
610 points.insert (std::pair<float,string>(-20.0f, "0"));
611 points.insert (std::pair<float,string>(-17.0f, "+3"));
612 points.insert (std::pair<float,string>(-14.0f, "+6"));
613 points.insert (std::pair<float,string>(-10.0f, "+10"));
614 points.insert (std::pair<float,string>( -5.0f, "+15"));
615 points.insert (std::pair<float,string>( 0.0f, "+20"));
620 points.insert (std::pair<float,string>(-50.0f, "-50"));
621 points.insert (std::pair<float,string>(-40.0f, "-40"));
622 points.insert (std::pair<float,string>(-30.0f, "-30"));
623 points.insert (std::pair<float,string>(-20.0f, "-20"));
624 if (types.size() == 1) {
625 if (Config->get_meter_line_up_level() == MeteringLineUp24) {
626 points.insert (std::pair<float,string>(-24.0f, "-24"));
628 points.insert (std::pair<float,string>(-25.0f, "-25"));
630 points.insert (std::pair<float,string>(-15.0f, "-15"));
632 points.insert (std::pair<float,string>(-18.0f, "-18"));
633 points.insert (std::pair<float,string>(-10.0f, "-10"));
634 points.insert (std::pair<float,string>( -5.0f, "-5"));
635 points.insert (std::pair<float,string>( -3.0f, "-3"));
636 points.insert (std::pair<float,string>( 0.0f, "+0"));
637 points.insert (std::pair<float,string>( 3.0f, "+3"));
641 points.insert (std::pair<float,string>(-30.0f, "-12"));
642 points.insert (std::pair<float,string>(-26.0f, "-8"));
643 points.insert (std::pair<float,string>(-22.0f, "-4"));
644 points.insert (std::pair<float,string>(-18.0f, "TST"));
645 points.insert (std::pair<float,string>(-14.0f, "+4"));
646 points.insert (std::pair<float,string>(-10.0f, "+8"));
647 points.insert (std::pair<float,string>( -6.0f, "+12"));
651 points.insert (std::pair<float,string>(-30.0f, " 1 "));
652 points.insert (std::pair<float,string>(-26.0f, " 2 "));
653 points.insert (std::pair<float,string>(-22.0f, " 3 "));
654 points.insert (std::pair<float,string>(-18.0f, " 4 "));
655 points.insert (std::pair<float,string>(-14.0f, " 5 "));
656 points.insert (std::pair<float,string>(-10.0f, " 6 "));
657 points.insert (std::pair<float,string>( -6.0f, " 7 "));
661 //points.insert (std::pair<float,string>(-60.0f, "-42"));
662 points.insert (std::pair<float,string>(-54.0f, "-36"));
663 points.insert (std::pair<float,string>(-48.0f, "-30"));
664 points.insert (std::pair<float,string>(-42.0f, "-24"));
665 points.insert (std::pair<float,string>(-36.0f, "-18"));
667 points.insert (std::pair<float,string>(-33.0f, "-15"));
668 points.insert (std::pair<float,string>(-30.0f, "-12"));
669 points.insert (std::pair<float,string>(-27.0f, "-9"));
670 points.insert (std::pair<float,string>(-24.0f, "-6"));
671 points.insert (std::pair<float,string>(-21.0f, "-3"));
673 points.insert (std::pair<float,string>(-18.0f, "TST"));
674 points.insert (std::pair<float,string>(-15.0f, "+3"));
675 points.insert (std::pair<float,string>(-12.0f, "+6"));
676 points.insert (std::pair<float,string>( -9.0f, "+9"));
677 points.insert (std::pair<float,string>( -6.0f, "+12"));
681 //points.insert (std::pair<float,string>( -3.0f, "200%"));
682 points.insert (std::pair<float,string>( -4.0f, "+5")); // "100%"
683 points.insert (std::pair<float,string>( -9.0f, "0"));
684 points.insert (std::pair<float,string>(-14.0f, "-5"));
685 //points.insert (std::pair<float,string>(-15.0f, "50%"));
686 //points.insert (std::pair<float,string>(-18.0f, "-9"));
687 points.insert (std::pair<float,string>(-19.0f, "-10")); // "30%"
688 points.insert (std::pair<float,string>(-29.0f, "-20")); // "10%"
689 //points.insert (std::pair<float,string>(-35.0f, "-20")); // "5%"
690 points.insert (std::pair<float,string>(-39.0f, "-30")); // "3%"
691 //points.insert (std::pair<float,string>(-49.0f, "1%"));
692 points.insert (std::pair<float,string>(-59.0f, "-50"));
696 points.insert (std::pair<float,string>(-17.0f, "+3"));
697 points.insert (std::pair<float,string>(-18.0f, "+2"));
698 points.insert (std::pair<float,string>(-19.0f, "+1"));
699 points.insert (std::pair<float,string>(-20.0f, "0"));
700 points.insert (std::pair<float,string>(-21.0f, "-1"));
701 points.insert (std::pair<float,string>(-22.0f, "-2"));
702 points.insert (std::pair<float,string>(-23.0f, "-3"));
703 points.insert (std::pair<float,string>(-25.0f, "-5"));
704 points.insert (std::pair<float,string>(-27.0f, "-7"));
705 points.insert (std::pair<float,string>(-30.0f, "-10"));
706 points.insert (std::pair<float,string>(-40.0f, "-20"));
711 layout->set_attributes (midi_font_attributes);
712 points.insert (std::pair<float,string>( 0, "0"));
713 if (types.size() == 1) {
714 points.insert (std::pair<float,string>( 16, "16"));
715 points.insert (std::pair<float,string>( 32, "32"));
716 points.insert (std::pair<float,string>( 48, "48"));
717 points.insert (std::pair<float,string>( 64, "64"));
718 points.insert (std::pair<float,string>( 80, "80"));
719 points.insert (std::pair<float,string>( 96, "96"));
720 points.insert (std::pair<float,string>(100, "100"));
721 points.insert (std::pair<float,string>(112, "112"));
723 /* labels that don't overlay with dB */
724 points.insert (std::pair<float,string>( 24, "24"));
725 points.insert (std::pair<float,string>( 48, "48"));
726 points.insert (std::pair<float,string>( 72, "74"));
728 points.insert (std::pair<float,string>(127, "127"));
734 for (std::map<float,string>::const_iterator j = points.begin(); j != points.end(); ++j) {
736 bool align_center = background; // this is true for meterbridge meters w/ fixed background
738 case DataType::AUDIO:
739 fraction = mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
741 pos = height - (gint) floor (height * fraction);
744 cairo_move_to(cr, width-1.5, pos + .5);
745 cairo_line_to(cr, width, pos + .5);
747 } else if (tickright) {
748 cairo_move_to(cr, 0, pos + .5);
749 cairo_line_to(cr, 1.5, pos + .5);
755 align_center = false; // don't bleed into legend
756 fraction = (j->first) / 127.0;
757 pos = 1 + height - (gint) rintf (height * fraction);
758 pos = min (pos, height);
759 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
761 cairo_arc(cr, width - 2.0, pos + .5, 1.0, 0, 2 * M_PI);
763 } else if (tickright) {
764 cairo_arc(cr, 3, pos + .5, 1.0, 0, 2 * M_PI);
770 layout->set_text(j->second.c_str());
773 layout->get_pixel_size(tw, th);
775 int p = pos - (th / 2) - 1;
776 p = min (p, height - th);
780 cairo_move_to (cr, (width-tw)/2.0, p);
782 cairo_move_to (cr, width-3-tw, p);
785 cairo_set_line_width(cr, 1.5);
786 cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, .15);
787 pango_cairo_layout_path(cr, layout->gobj());
788 cairo_stroke_preserve (cr);
789 cairo_set_line_width(cr, 1.0);
791 if ((*i) == DataType::AUDIO) {
792 mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
794 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
797 pango_cairo_show_layout (cr, layout->gobj());
803 if (types.size() == 1) {
805 layout->set_attributes (unit_font_attributes);
806 switch (types.at(0)) {
807 case DataType::AUDIO:
810 layout->set_text("K20");
813 layout->set_text("K14");
818 layout->set_text("dBFS");
821 layout->set_text("EBU");
824 layout->set_text("BBC");
827 layout->set_text("DIN");
830 layout->set_text("NOR");
833 layout->set_text("VU");
836 layout->get_pixel_size(tw, th);
839 layout->set_text("mid");
840 layout->get_pixel_size(tw, th);
844 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
846 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
848 cairo_move_to (cr, width - 2 - tw, height - th - 0.5);
850 cairo_move_to (cr, 2, height - th - 0.5);
852 pango_cairo_show_layout (cr, layout->gobj());
855 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
858 cairo_surface_destroy (surface);
864 ArdourMeter::meter_expose_ticks (GdkEventExpose *ev, MeterType type, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mta)
866 Glib::RefPtr<Gdk::Window> win (mta->get_window());
869 cr = gdk_cairo_create (win->gobj());
871 /* clip to expose area */
873 gdk_cairo_rectangle (cr, &ev->area);
876 cairo_pattern_t* pattern;
877 const MeterMatricsMapKey key (mta->get_name(), type);
878 MetricPatternMap::iterator i = ticks_patterns.find (key);
880 if (i == ticks_patterns.end()) {
881 pattern = meter_render_ticks (*mta, type, types);
882 ticks_patterns[key] = pattern;
887 cairo_move_to (cr, 0, 0);
888 cairo_set_source (cr, pattern);
891 win->get_size (width, height);
893 cairo_rectangle (cr, 0, 0, width, height);
902 ArdourMeter::meter_expose_metrics (GdkEventExpose *ev, MeterType type, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mma)
904 Glib::RefPtr<Gdk::Window> win (mma->get_window());
907 cr = gdk_cairo_create (win->gobj());
909 /* clip to expose area */
911 gdk_cairo_rectangle (cr, &ev->area);
914 cairo_pattern_t* pattern;
915 const MeterMatricsMapKey key (mma->get_name(), type);
916 MetricPatternMap::iterator i = metric_patterns.find (key);
918 if (i == metric_patterns.end()) {
919 pattern = meter_render_metrics (*mma, type, types);
920 metric_patterns[key] = pattern;
925 cairo_move_to (cr, 0, 0);
926 cairo_set_source (cr, pattern);
929 win->get_size (width, height);
931 cairo_rectangle (cr, 0, 0, width, height);
940 ArdourMeter::meter_clear_pattern_cache(int which) {
941 MetricPatternMap::iterator i = metric_patterns.begin();
942 MetricPatternMap::iterator j = ticks_patterns.begin();
944 while (i != metric_patterns.end()) {
946 MeterMatricsMapKey const * const key = &(i->first);
947 std::string n = key->_n;
948 if (n.substr(n.length() - 4) == "Left") { m = 1; }
949 if (n.substr(n.length() - 5) == "Right") { m = 2; }
951 cairo_pattern_destroy(i->second);
952 metric_patterns.erase(i++);
958 while (j != ticks_patterns.end()) {
960 MeterMatricsMapKey const * const key = &(j->first);
961 std::string n = key->_n;
962 if (n.substr(n.length() - 4) == "Left") { m = 1; }
963 if (n.substr(n.length() - 5) == "Right") { m = 2; }
965 cairo_pattern_destroy(j->second);
966 ticks_patterns.erase(j++);