ardour
meter_patterns.cc
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1 /*
2  Copyright (C) 2013 Paul Davis
3  Author: Robin Gareus
4 
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.
9 
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.
14 
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.
18 */
19 
20 #include <gtkmm2ext/cairo_widget.h>
21 #include <gtkmm2ext/gtk_ui.h>
22 #include <gtkmm2ext/utils.h>
23 #include <gtkmm2ext/rgb_macros.h>
24 
25 #include <ardour/rc_configuration.h>
26 #include "ardour_ui.h"
27 #include "utils.h"
28 #include "logmeter.h"
29 #include "meter_patterns.h"
30 
31 #include "i18n.h"
32 
33 using namespace ARDOUR;
34 using namespace ARDOUR_UI_UTILS;
35 using namespace PBD;
36 using namespace Gtk;
37 using namespace Gtkmm2ext;
38 using namespace std;
39 using namespace ArdourMeter;
40 
41 static const int max_pattern_metric_size = 1026;
42 
43 /* signals used by meters */
44 
45 sigc::signal<void> ArdourMeter::ResetAllPeakDisplays;
46 sigc::signal<void,ARDOUR::Route*> ArdourMeter::ResetRoutePeakDisplays;
47 sigc::signal<void,ARDOUR::RouteGroup*> ArdourMeter::ResetGroupPeakDisplays;
48 sigc::signal<void> ArdourMeter::RedrawMetrics;
49 
50 sigc::signal<void, int, ARDOUR::RouteGroup*, ARDOUR::MeterType> ArdourMeter::SetMeterTypeMulti;
51 
52 
53 /* pattern cache */
54 
55 struct MeterMatricsMapKey {
56  MeterMatricsMapKey (std::string n, MeterType t, int dt)
57  : _n(n)
58  , _t(t)
59  , _dt(dt)
60  {}
61  inline bool operator<(const MeterMatricsMapKey& rhs) const {
62  return (_n < rhs._n) || (_n == rhs._n && _t < rhs._t) || (_n == rhs._n && _t == rhs._t && _dt < rhs._dt);
63  }
64  std::string _n;
65  MeterType _t;
66  int _dt;
67 };
68 
69 namespace ArdourMeter {
70  typedef std::map<MeterMatricsMapKey, cairo_pattern_t*> MetricPatternMap;
71 }
72 
73 static ArdourMeter::MetricPatternMap ticks_patterns;
74 static ArdourMeter::MetricPatternMap metric_patterns;
75 
76 
77 const std::string
78 ArdourMeter::meter_type_string (ARDOUR::MeterType mt)
79 {
80  switch (mt) {
81  case MeterPeak:
82  return _("Peak");
83  break;
84  case MeterPeak0dB:
85  return _("Peak 0dB");
86  break;
87  case MeterKrms:
88  return _("RMS + Peak");
89  break;
90  case MeterIEC1DIN:
91  return _("IEC1/DIN");
92  break;
93  case MeterIEC1NOR:
94  return _("IEC1/Nordic");
95  break;
96  case MeterIEC2BBC:
97  return _("IEC2/BBC");
98  break;
99  case MeterIEC2EBU:
100  return _("IEC2/EBU");
101  break;
102  case MeterK20:
103  return _("K20");
104  break;
105  case MeterK14:
106  return _("K14");
107  break;
108  case MeterK12:
109  return _("K12");
110  break;
111  case MeterVU:
112  return _("VU");
113  break;
114  default:
115  assert(0);
116  return _("???");
117  break;
118  }
119 }
120 
121 static inline int types_to_bit (vector<ARDOUR::DataType> types) {
122  int rv = 0;
123  for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
124  rv |= 1 << (*i);
125  }
126  return rv;
127 }
128 
129 static inline float mtr_col_and_fract(
130  cairo_t* cr, Gdk::Color const * const c, const uint32_t peakcolor, const MeterType mt, const float val)
131 {
132  float fraction = 0;
133 
134  switch (mt) {
135  default:
136  case MeterKrms:
137  case MeterPeak:
138  fraction = log_meter (val);
139  if (val >= 0 || val == -9) {
140  cairo_set_source_rgb (cr,
141  UINT_RGBA_R_FLT(peakcolor),
142  UINT_RGBA_G_FLT(peakcolor),
143  UINT_RGBA_B_FLT(peakcolor));
144  } else {
145  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
146  }
147  break;
148  case MeterPeak0dB:
149  fraction = log_meter0dB (val);
150  if (val >= 0 || val == -9) {
151  cairo_set_source_rgb (cr,
152  UINT_RGBA_R_FLT(peakcolor),
153  UINT_RGBA_G_FLT(peakcolor),
154  UINT_RGBA_B_FLT(peakcolor));
155  } else {
156  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
157  }
158  break;
159  case MeterIEC2BBC:
160  case MeterIEC2EBU:
161  fraction = meter_deflect_ppm(val);
162  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
163  break;
164  case MeterIEC1NOR:
165  fraction = meter_deflect_nordic(val);
166 #if 0
167  if (val == -18.0) {
168  cairo_set_source_rgb (cr,
169  UINT_RGBA_R_FLT(peakcolor),
170  UINT_RGBA_G_FLT(peakcolor),
171  UINT_RGBA_B_FLT(peakcolor));
172  } else {
173  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
174  }
175 #else
176  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
177 #endif
178  break;
179  case MeterIEC1DIN:
180  fraction = meter_deflect_din(val);
181  if (val == -9.0 || val == -15 || val == -18) {
182  cairo_set_source_rgb (cr,
183  UINT_RGBA_R_FLT(peakcolor),
184  UINT_RGBA_G_FLT(peakcolor),
185  UINT_RGBA_B_FLT(peakcolor));
186  } else {
187  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
188  }
189  break;
190  case MeterVU:
191  fraction = meter_deflect_vu(val);
192  if (val >= -20.0) {
193  cairo_set_source_rgb (cr,
194  UINT_RGBA_R_FLT(peakcolor),
195  UINT_RGBA_G_FLT(peakcolor),
196  UINT_RGBA_B_FLT(peakcolor));
197  } else {
198  cairo_set_source_rgb (cr, c->get_red_p(), c->get_green_p(), c->get_blue_p());
199  }
200  break;
201  case MeterK20:
202  fraction = meter_deflect_k (val, 20);
203  if (val >= -16.0) {
204  cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
205  } else if (val >= -20.0) {
206  cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
207  } else {
208  cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
209  }
210  break;
211  case MeterK14:
212  if (val >= -10.0) {
213  cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
214  } else if (val >= -14.0) {
215  cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
216  } else {
217  cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
218  }
219  fraction = meter_deflect_k (val, 14);
220  break;
221  case MeterK12:
222  if (val >= -8.0) {
223  cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); // red
224  } else if (val >= -12.0) {
225  cairo_set_source_rgb (cr, 0.8, 0.8, 0.0); // yellow
226  } else {
227  cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); // green
228  }
229  fraction = meter_deflect_k (val, 12);
230  break;
231  }
232  return fraction;
233 }
234 
235 static void mtr_red_stripe(cairo_t* cr, float l, float w, int h, float top, float bot) {
236  if (w <= 0) return;
237  int t = h - floorf (h * (top));
238  int b = h - floorf (h * (bot));
239  cairo_set_source_rgba (cr, .75, 0, 0, 0.75);
240  cairo_rectangle (cr, l, t + .5, w, b - t);
241  cairo_fill (cr);
242 }
243 
244 static void set_bg_color (Gtk::Widget& w, cairo_t* cr, MeterType type) {
245  double r,g,b,a;
246  switch(type) {
247  case MeterVU:
248  ArdourCanvas::color_to_rgba (ARDOUR_UI::config()->color ("meterstrip vu bg"), r, g, b, a);
249  break;
250  case MeterIEC1DIN:
251  case MeterIEC1NOR:
252  case MeterIEC2BBC:
253  case MeterIEC2EBU:
254  ArdourCanvas::color_to_rgba (ARDOUR_UI::config()->color ("meterstrip ppm bg"), r, g, b, a);
255  break;
256  case MeterK12:
257  case MeterK14:
258  case MeterK20:
259  ArdourCanvas::color_to_rgba (ARDOUR_UI::config()->color ("meterstrip dpm bg"), r, g, b, a);
260  break;
261  default:
262  {
263  Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
264  r = c.get_red_p();
265  g = c.get_green_p();
266  b = c.get_blue_p();
267  }
268  break;
269  }
270  cairo_set_source_rgb (cr, r, g, b);
271 }
272 
273 static void set_fg_color(Gtk::Widget&, MeterType type, Gdk::Color * c) {
274  double r,g,b,a;
275  switch(type) {
276  case MeterVU:
277  ArdourCanvas::color_to_rgba (ARDOUR_UI::config()->color ("meterstrip vu fg"), r, g, b, a);
278  break;
279  case MeterIEC1DIN:
280  case MeterIEC1NOR:
281  case MeterIEC2BBC:
282  case MeterIEC2EBU:
283  ArdourCanvas::color_to_rgba (ARDOUR_UI::config()->color ("meterstrip ppm fg"), r, g, b, a);
284  break;
285  default:
286  ArdourCanvas::color_to_rgba (ARDOUR_UI::config()->color ("meterstrip dpm fg"), r, g, b, a);
287  break;
288  }
289  c->set_rgb_p (r, g, b);
290 }
291 
292 static cairo_pattern_t*
293 meter_render_ticks (Gtk::Widget& w, MeterType type, vector<ARDOUR::DataType> types)
294 {
295  Glib::RefPtr<Gdk::Window> win (w.get_window());
296 
297  bool background;
298  bool tickleft, tickright;
299  gint width, height;
300  win->get_size (width, height);
301  tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
302  tickright = w.get_name().substr(w.get_name().length() - 5) == "Right";
303  background = types.size() == 0 || tickleft || tickright;
304 
305  float box_l=0;
306  float box_w=0;
307 #define PX_SCALE(pxmin, dflt) rint(std::max((double)pxmin, (double)dflt * ARDOUR_UI::ui_scale))
308  if (tickleft) {
309  if (w.get_name().substr(0, 3) == "Bar") {
310  box_w = PX_SCALE(2, 2);
311  box_l = width - box_w;
312  } else if (w.get_name().substr(0, 4) == "Mark") {
313  box_w = PX_SCALE(2, 2);
314  box_l = width - box_w;
315  background = false;
316  }
317  } else if (tickright) {
318  if (w.get_name().substr(0, 3) == "Bar") {
319  box_l = 0; box_w = PX_SCALE(2, 2);
320  } else if (w.get_name().substr(0, 4) == "Mark") {
321  box_l = 0; box_w = PX_SCALE(2, 2);
322  background = false;
323  }
324  } else {
325  box_l = 0; box_w = width;
326  }
327 #undef PX_SCALE
328 
329  cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
330  cairo_t* cr = cairo_create (surface);
331 
332  cairo_move_to (cr, 0, 0);
333  cairo_rectangle (cr, 0, 0, width, height);
334 
335  if (background) {
336  /* meterbridge */
337  set_bg_color(w, cr, type);
338  } else {
339  /* mixer */
340  Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
341  cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
342  }
343  cairo_fill (cr);
344 
345  height = min(max_pattern_metric_size, height);
346  uint32_t peakcolor = ARDOUR_UI::config()->color ("meterbridge peaklabel");
347 
348  for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
349 
350  Gdk::Color c;
351  if (types.size() > 1 && (*i) == DataType::MIDI) {
352  /* we're overlaying more than 1 set of marks, so use different colours */
353  c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
354  } else if (background) {
355  set_fg_color(w, type, &c);
356  } else {
357  c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
358  }
359 
360  // tick-maker position in dBFS, line-thickness
361  std::map<float,float> points;
362 
363  switch (*i) {
364  case DataType::AUDIO:
365 
366  switch (type) {
367  case MeterK12:
368  points.insert (std::pair<float,float>(-52.0f, 1.0));
369  points.insert (std::pair<float,float>(-42.0f, 1.0));
370  points.insert (std::pair<float,float>(-32.0f, 1.0));
371  points.insert (std::pair<float,float>(-22.0f, 1.0));
372  points.insert (std::pair<float,float>(-18.0f, 1.0));
373  points.insert (std::pair<float,float>(-15.0f, 1.0));
374  points.insert (std::pair<float,float>(-12.0f, 1.0));
375  points.insert (std::pair<float,float>( -9.0f, 1.0));
376  points.insert (std::pair<float,float>( -8.0f, 0.8));
377  points.insert (std::pair<float,float>( -6.0f, 1.0));
378  points.insert (std::pair<float,float>( -3.0f, 1.0));
379  points.insert (std::pair<float,float>( 0.0f, 1.0));
380  break;
381  case MeterK14:
382  points.insert (std::pair<float,float>(-54.0f, 1.0));
383  points.insert (std::pair<float,float>(-44.0f, 1.0));
384  points.insert (std::pair<float,float>(-34.0f, 1.0));
385  points.insert (std::pair<float,float>(-24.0f, 1.0));
386  points.insert (std::pair<float,float>(-20.0f, 1.0));
387  points.insert (std::pair<float,float>(-17.0f, 1.0));
388  points.insert (std::pair<float,float>(-14.0f, 1.0)); // 0
389  points.insert (std::pair<float,float>(-11.0f, 1.0)); // +3
390  points.insert (std::pair<float,float>(-10.0f, 0.8)); // +4
391  points.insert (std::pair<float,float>( -8.0f, 1.0)); // +6
392  points.insert (std::pair<float,float>( -4.0f, 1.0)); // +10
393  points.insert (std::pair<float,float>( 0.0f, 1.0));
394  break;
395  case MeterK20:
396  points.insert (std::pair<float,float>(-60.0f, 1.0));
397  points.insert (std::pair<float,float>(-50.0f, 1.0));
398  points.insert (std::pair<float,float>(-40.0f, 1.0));
399  points.insert (std::pair<float,float>(-30.0f, 1.0));
400  points.insert (std::pair<float,float>(-26.0f, 1.0));
401  points.insert (std::pair<float,float>(-23.0f, 1.0));
402  points.insert (std::pair<float,float>(-20.0f, 1.0)); // 0
403  points.insert (std::pair<float,float>(-17.0f, 1.0));
404  points.insert (std::pair<float,float>(-16.0f, 0.8));
405  points.insert (std::pair<float,float>(-14.0f, 1.0)); // +6
406  points.insert (std::pair<float,float>(-10.0f, 1.0));
407  points.insert (std::pair<float,float>( -5.0f, 1.0));
408  points.insert (std::pair<float,float>( 0.0f, 1.0)); //+20
409  break;
410  case MeterIEC2EBU:
411  points.insert (std::pair<float,float>(-30.0f, 1.0));
412  points.insert (std::pair<float,float>(-28.0f, 0.5));
413  points.insert (std::pair<float,float>(-26.0f, 1.0));
414  points.insert (std::pair<float,float>(-24.0f, 0.5));
415  points.insert (std::pair<float,float>(-22.0f, 1.0));
416  points.insert (std::pair<float,float>(-20.0f, 0.5));
417  points.insert (std::pair<float,float>(-18.0f, 1.0));
418  points.insert (std::pair<float,float>(-16.0f, 0.5));
419  points.insert (std::pair<float,float>(-14.0f, 1.0));
420  points.insert (std::pair<float,float>(-12.0f, 0.5));
421  points.insert (std::pair<float,float>(-10.0f, 1.0));
422  points.insert (std::pair<float,float>( -9.0f, 0.8));
423  points.insert (std::pair<float,float>( -8.0f, 0.5));
424  points.insert (std::pair<float,float>( -6.0f, 1.0));
425  break;
426  case MeterIEC2BBC:
427  points.insert (std::pair<float,float>(-30.0f, 1.0));
428  points.insert (std::pair<float,float>(-26.0f, 1.0));
429  points.insert (std::pair<float,float>(-22.0f, 1.0));
430  points.insert (std::pair<float,float>(-18.0f, 1.0));
431  points.insert (std::pair<float,float>(-14.0f, 1.0));
432  points.insert (std::pair<float,float>(-10.0f, 1.0));
433  points.insert (std::pair<float,float>( -6.0f, 1.0));
434  break;
435  case MeterIEC1NOR:
436  points.insert (std::pair<float,float>(-60.0f, 1.0)); // -42
437  points.insert (std::pair<float,float>(-57.0f, 0.5));
438  points.insert (std::pair<float,float>(-54.0f, 1.0));
439  points.insert (std::pair<float,float>(-51.0f, 0.5));
440  points.insert (std::pair<float,float>(-48.0f, 1.0));
441  points.insert (std::pair<float,float>(-45.0f, 0.5));
442  points.insert (std::pair<float,float>(-42.0f, 1.0));
443  points.insert (std::pair<float,float>(-39.0f, 0.5));
444  points.insert (std::pair<float,float>(-36.0f, 1.0));
445 
446  points.insert (std::pair<float,float>(-33.0f, 0.5));
447  points.insert (std::pair<float,float>(-30.0f, 1.0));
448  points.insert (std::pair<float,float>(-27.0f, 0.5));
449  points.insert (std::pair<float,float>(-24.0f, 1.0));
450  points.insert (std::pair<float,float>(-21.0f, 0.5));
451 
452  points.insert (std::pair<float,float>(-18.0f, 1.0));
453  points.insert (std::pair<float,float>(-15.0f, 0.5));
454  points.insert (std::pair<float,float>(-12.0f, 1.0));
455  points.insert (std::pair<float,float>( -9.0f, 1.0));
456  points.insert (std::pair<float,float>( -6.0f, 0.5));
457  mtr_red_stripe(cr, box_l, box_w, height,
458  meter_deflect_nordic(-6.0f), meter_deflect_nordic(-12.0f));
459  break;
460  case MeterIEC1DIN:
461  points.insert (std::pair<float,float>( -3.0f, 0.5)); // "200%"
462  points.insert (std::pair<float,float>( -4.0f, 1.0));
463  points.insert (std::pair<float,float>( -5.0f, 0.5));
464  points.insert (std::pair<float,float>( -6.0f, 0.5));
465  points.insert (std::pair<float,float>( -7.0f, 0.5));
466  points.insert (std::pair<float,float>( -8.0f, 0.5));
467  points.insert (std::pair<float,float>( -9.0f, 1.0)); // "100%"
468  points.insert (std::pair<float,float>(-10.0f, 0.5));
469  points.insert (std::pair<float,float>(-11.0f, 0.5));
470  points.insert (std::pair<float,float>(-12.0f, 0.5));
471  points.insert (std::pair<float,float>(-13.0f, 0.5));
472  points.insert (std::pair<float,float>(-14.0f, 1.0));
473  points.insert (std::pair<float,float>(-15.0f, 0.8)); // "50%"
474  points.insert (std::pair<float,float>(-18.0f, 0.8)); // "-9"
475  points.insert (std::pair<float,float>(-19.0f, 1.0));
476  points.insert (std::pair<float,float>(-24.0f, 0.5));
477  points.insert (std::pair<float,float>(-29.0f, 1.0)); // "-20", "10%"
478  points.insert (std::pair<float,float>(-34.0f, 0.5)); // -25
479  //points.insert (std::pair<float,float>(-35.0f, 0.5)); // "5%" " -20"
480  points.insert (std::pair<float,float>(-39.0f, 1.0));
481  points.insert (std::pair<float,float>(-49.0f, 1.0));
482  points.insert (std::pair<float,float>(-54.0f, 0.5));
483  points.insert (std::pair<float,float>(-59.0f, 1.0));
484  mtr_red_stripe(cr, box_l, box_w, height,
485  meter_deflect_din(0.0f), meter_deflect_din(-9.0f));
486  break;
487  case MeterVU:
488  points.insert (std::pair<float,float>(-17.0f, 1.0)); //+3 VU
489  points.insert (std::pair<float,float>(-18.0f, 1.0));
490  points.insert (std::pair<float,float>(-19.0f, 1.0));
491  points.insert (std::pair<float,float>(-19.5f, 0.5));
492  points.insert (std::pair<float,float>(-20.0f, 1.0)); // 0 VU
493  points.insert (std::pair<float,float>(-20.5f, 0.5));
494  points.insert (std::pair<float,float>(-21.0f, 1.0));
495  points.insert (std::pair<float,float>(-22.0f, 1.0));
496  points.insert (std::pair<float,float>(-23.0f, 1.0)); //-3 VU
497  points.insert (std::pair<float,float>(-24.0f, 0.5));
498  points.insert (std::pair<float,float>(-25.0f, 1.0));
499  points.insert (std::pair<float,float>(-26.0f, 0.5));
500  points.insert (std::pair<float,float>(-27.0f, 1.0)); //-7 VU
501  points.insert (std::pair<float,float>(-30.0f, 1.0));
502  points.insert (std::pair<float,float>(-35.0f, 0.5));
503  points.insert (std::pair<float,float>(-40.0f, 1.0));
504  mtr_red_stripe(cr, box_l, box_w, height,
505  meter_deflect_vu(-17.0f), meter_deflect_vu(-20.0f));
506  break;
507 
508  default:
509  points.insert (std::pair<float,float>( 0, 1.0));
510  points.insert (std::pair<float,float>( 1, 0.5));
511  points.insert (std::pair<float,float>( 2, 0.5));
512  points.insert (std::pair<float,float>( 3, 1.0));
513  points.insert (std::pair<float,float>( 4, 0.5));
514  points.insert (std::pair<float,float>( 5, 0.5));
515  // no break
516  case MeterPeak0dB:
517  points.insert (std::pair<float,float>(-60, 0.5));
518  points.insert (std::pair<float,float>(-50, 1.0));
519  points.insert (std::pair<float,float>(-40, 1.0));
520  points.insert (std::pair<float,float>(-30, 1.0));
521  if (ARDOUR_UI::config()->get_meter_line_up_level() == MeteringLineUp24) {
522  points.insert (std::pair<float,float>(-24, 1.0));
523  } else {
524  points.insert (std::pair<float,float>(-25, 1.0));
525  }
526  points.insert (std::pair<float,float>(-20, 1.0));
527 
528  points.insert (std::pair<float,float>(-19, 0.5));
529  points.insert (std::pair<float,float>(-18, 1.0));
530  points.insert (std::pair<float,float>(-17, 0.5));
531  points.insert (std::pair<float,float>(-16, 0.5));
532  points.insert (std::pair<float,float>(-15, 1.0));
533 
534  points.insert (std::pair<float,float>(-14, 0.5));
535  points.insert (std::pair<float,float>(-13, 0.5));
536  points.insert (std::pair<float,float>(-12, 0.5));
537  points.insert (std::pair<float,float>(-11, 0.5));
538  points.insert (std::pair<float,float>(-10, 1.0));
539 
540  points.insert (std::pair<float,float>( -9, 1.0));
541  points.insert (std::pair<float,float>( -8, 0.5));
542  points.insert (std::pair<float,float>( -7, 0.5));
543  points.insert (std::pair<float,float>( -6, 0.5));
544  points.insert (std::pair<float,float>( -5, 1.0));
545  points.insert (std::pair<float,float>( -4, 0.5));
546  points.insert (std::pair<float,float>( -3, 1.0));
547  points.insert (std::pair<float,float>( -2, 0.5));
548  points.insert (std::pair<float,float>( -1, 0.5));
549  break;
550  }
551  break;
552 
553  case DataType::MIDI:
554  points.insert (std::pair<float,float>( 0, 1.0));
555  points.insert (std::pair<float,float>( 16, 0.5));
556  points.insert (std::pair<float,float>( 32, 0.5));
557  points.insert (std::pair<float,float>( 48, 0.5));
558  points.insert (std::pair<float,float>( 64, 1.0));
559  points.insert (std::pair<float,float>( 80, 0.5));
560  points.insert (std::pair<float,float>( 96, 0.5));
561  points.insert (std::pair<float,float>(100, 1.0));
562  points.insert (std::pair<float,float>(112, 0.5));
563  points.insert (std::pair<float,float>(127, 1.0));
564  break;
565  }
566 
567  for (std::map<float,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
568  cairo_set_line_width (cr, (j->second));
569 
570  float fraction = 0;
571  gint pos;
572 
573  switch (*i) {
574  case DataType::AUDIO:
575  fraction = mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
576 
577  pos = height - (gint) floor (height * fraction);
578  pos = max (pos, 1);
579  cairo_move_to(cr, 0, pos + .5);
580  cairo_line_to(cr, width, pos + .5);
581  cairo_stroke (cr);
582  break;
583  case DataType::MIDI:
584  fraction = (j->first) / 127.0;
585  pos = 1 + height - (gint) floor (height * fraction);
586  pos = min (pos, height);
587  cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
588  cairo_arc(cr, width * .5, pos + .5, 1.0, 0, 2 * M_PI);
589  cairo_fill(cr);
590  break;
591  }
592  }
593  }
594 
595  cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
596 
597  cairo_destroy (cr);
598  cairo_surface_destroy (surface);
599 
600  return pattern;
601 }
602 
603 static cairo_pattern_t*
604 meter_render_metrics (Gtk::Widget& w, MeterType type, vector<DataType> types)
605 {
606  Glib::RefPtr<Gdk::Window> win (w.get_window());
607 
608  bool tickleft, tickright;
609  bool background;
610  int overlay_midi = 1;
611  gint width, height;
612  win->get_size (width, height);
613 
614  tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
615  tickright = w.get_name().substr(w.get_name().length() - 5) == "Right";
616  background = types.size() == 0 || tickleft || tickright;
617 
618  if (!tickleft && !tickright) {
619  tickright = true;
620  }
621 
622 #ifdef NO_OVERSAMPLE
623  cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
624  cairo_t* cr = cairo_create (surface);
625 #else
626  cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width*2, height*2);
627  cairo_t* cr = cairo_create (surface);
628  cairo_scale(cr, 2.0, 2.0);
629 #endif
630  Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
631 
632  Pango::AttrList audio_font_attributes;
633  Pango::AttrList midi_font_attributes;
634  Pango::AttrList unit_font_attributes;
635 
636  Pango::AttrFontDesc* font_attr;
637  Pango::FontDescription font;
638 
639  font = Pango::FontDescription (ARDOUR_UI::config()->get_SmallMonospaceFont());
640 #ifdef __APPLE__
641  const double fixfontsize = 1.0;
642 #else
643  // counter-act global font-scaling.
644  const double fixfontsize = std::min(1.0, 0.9 / sqrtf(ARDOUR_UI::ui_scale));
645 #endif
646 
647  font.set_weight (Pango::WEIGHT_NORMAL);
648  font.set_size (8.0 * fixfontsize * PANGO_SCALE);
649  font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
650  audio_font_attributes.change (*font_attr);
651  delete font_attr;
652 
653  font.set_weight (Pango::WEIGHT_ULTRALIGHT);
654  font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
655  font.set_size (7.0 * fixfontsize * PANGO_SCALE);
656  font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
657  midi_font_attributes.change (*font_attr);
658  delete font_attr;
659 
660  font.set_size (6.0 * fixfontsize * PANGO_SCALE);
661  font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
662  unit_font_attributes.change (*font_attr);
663  delete font_attr;
664 
665  cairo_move_to (cr, 0, 0);
666  cairo_rectangle (cr, 0, 0, width, height);
667  if (background) {
668  /* meterbridge */
669  set_bg_color(w, cr, type);
670  } else {
671  /* mixer */
672  Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
673  cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
674  }
675  cairo_fill (cr);
676 
677  cairo_set_line_width (cr, 1.0);
678 
679  height = min(max_pattern_metric_size, height);
680  uint32_t peakcolor = ARDOUR_UI::config()->color ("meterbridge peaklabel");
681  Gdk::Color c; // default text color
682 
683  for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
684 
685  if (types.size() > 1 && (*i) == DataType::MIDI && overlay_midi == 0) {
686  continue;
687  }
688 
689  if (types.size() > 1 && (*i) == DataType::MIDI) {
690  /* we're overlaying more than 1 set of marks, so use different colours */
691  c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
692  } else if (background) {
693  set_fg_color(w, type, &c);
694  } else {
695  c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
696  }
697 
698  std::map<float,string> points; // map: label-pos in dBFS, label-text
699 
700  switch (*i) {
701  case DataType::AUDIO:
702  layout->set_attributes (audio_font_attributes);
703  if (type == MeterPeak0dB) {
704  overlay_midi = 4;
705  }
706  switch (type) {
707  case MeterK12:
708  overlay_midi = 0;
709  points.insert (std::pair<float,string>(-52.0f, "-40"));
710  points.insert (std::pair<float,string>(-42.0f, "-30"));
711  points.insert (std::pair<float,string>(-32.0f, "-20"));
712  points.insert (std::pair<float,string>(-22.0f, "-10"));
713  points.insert (std::pair<float,string>(-18.0f, "-6"));
714  points.insert (std::pair<float,string>(-15.0f, "-3"));
715  points.insert (std::pair<float,string>(-12.0f, " 0"));
716  points.insert (std::pair<float,string>( -9.0f, "+3"));
717  points.insert (std::pair<float,string>( -6.0f, "+6"));
718  points.insert (std::pair<float,string>( -3.0f, "+9"));
719  points.insert (std::pair<float,string>( 0.0f, "+12"));
720  break;
721  case MeterK14:
722  overlay_midi = 0;
723  points.insert (std::pair<float,string>(-54.0f, "-40"));
724  points.insert (std::pair<float,string>(-44.0f, "-30"));
725  points.insert (std::pair<float,string>(-34.0f, "-20"));
726  points.insert (std::pair<float,string>(-24.0f, "-10"));
727  points.insert (std::pair<float,string>(-20.0f, "-6"));
728  points.insert (std::pair<float,string>(-17.0f, "-3"));
729  points.insert (std::pair<float,string>(-14.0f, " 0"));
730  points.insert (std::pair<float,string>(-11.0f, "+3"));
731  points.insert (std::pair<float,string>( -8.0f, "+6"));
732  points.insert (std::pair<float,string>( -4.0f, "+10"));
733  points.insert (std::pair<float,string>( 0.0f, "+14"));
734  break;
735  case MeterK20:
736  overlay_midi = 0;
737  points.insert (std::pair<float,string>(-60.0f, "-40"));
738  points.insert (std::pair<float,string>(-50.0f, "-30"));
739  points.insert (std::pair<float,string>(-40.0f, "-20"));
740  points.insert (std::pair<float,string>(-30.0f, "-10"));
741  points.insert (std::pair<float,string>(-26.0f, "-6"));
742  points.insert (std::pair<float,string>(-23.0f, "-3"));
743  points.insert (std::pair<float,string>(-20.0f, " 0"));
744  points.insert (std::pair<float,string>(-17.0f, "+3"));
745  points.insert (std::pair<float,string>(-14.0f, "+6"));
746  points.insert (std::pair<float,string>(-10.0f, "+10"));
747  points.insert (std::pair<float,string>( -5.0f, "+15"));
748  points.insert (std::pair<float,string>( 0.0f, "+20"));
749  break;
750  default:
751  case MeterPeak:
752  case MeterKrms:
753  points.insert (std::pair<float,string>( 3.0f, "+3"));
754  // no break
755  case MeterPeak0dB:
756  points.insert (std::pair<float,string>(-50.0f, "-50"));
757  points.insert (std::pair<float,string>(-40.0f, "-40"));
758  points.insert (std::pair<float,string>(-30.0f, "-30"));
759  points.insert (std::pair<float,string>(-20.0f, "-20"));
760  if (types.size() == 1) {
761  if (ARDOUR_UI::config()->get_meter_line_up_level() == MeteringLineUp24) {
762  points.insert (std::pair<float,string>(-24.0f, "-24"));
763  } else {
764  points.insert (std::pair<float,string>(-25.0f, "-25"));
765  }
766  points.insert (std::pair<float,string>(-15.0f, "-15"));
767  }
768  points.insert (std::pair<float,string>(-18.0f, "-18"));
769  points.insert (std::pair<float,string>(-10.0f, "-10"));
770  points.insert (std::pair<float,string>( -5.0f, "-5"));
771  points.insert (std::pair<float,string>( -3.0f, "-3"));
772  points.insert (std::pair<float,string>( 0.0f, "+0"));
773  break;
774 
775  case MeterIEC2EBU:
776  overlay_midi = 3;
777  points.insert (std::pair<float,string>(-30.0f, "-12"));
778  points.insert (std::pair<float,string>(-26.0f, "-8"));
779  points.insert (std::pair<float,string>(-22.0f, "-4"));
780  points.insert (std::pair<float,string>(-18.0f, "TST"));
781  points.insert (std::pair<float,string>(-14.0f, "+4"));
782  points.insert (std::pair<float,string>(-10.0f, "+8"));
783  points.insert (std::pair<float,string>( -6.0f, "+12"));
784  break;
785 
786  case MeterIEC2BBC:
787  overlay_midi = 3;
788  points.insert (std::pair<float,string>(-30.0f, " 1 "));
789  points.insert (std::pair<float,string>(-26.0f, " 2 "));
790  points.insert (std::pair<float,string>(-22.0f, " 3 "));
791  points.insert (std::pair<float,string>(-18.0f, " 4 "));
792  points.insert (std::pair<float,string>(-14.0f, " 5 "));
793  points.insert (std::pair<float,string>(-10.0f, " 6 "));
794  points.insert (std::pair<float,string>( -6.0f, " 7 "));
795  break;
796 
797  case MeterIEC1NOR:
798  overlay_midi = 0;
799  //points.insert (std::pair<float,string>(-60.0f, "-42"));
800  points.insert (std::pair<float,string>(-54.0f, "-36"));
801  points.insert (std::pair<float,string>(-48.0f, "-30"));
802  points.insert (std::pair<float,string>(-42.0f, "-24"));
803  points.insert (std::pair<float,string>(-36.0f, "-18"));
804 
805  //points.insert (std::pair<float,string>(-33.0f, "-15"));
806  points.insert (std::pair<float,string>(-30.0f, "-12"));
807  //points.insert (std::pair<float,string>(-27.0f, "-9"));
808  points.insert (std::pair<float,string>(-24.0f, "-6"));
809  //points.insert (std::pair<float,string>(-21.0f, "-3"));
810 
811  points.insert (std::pair<float,string>(-18.0f, "TST"));
812  //points.insert (std::pair<float,string>(-15.0f, "+3"));
813  points.insert (std::pair<float,string>(-12.0f, "+6"));
814  points.insert (std::pair<float,string>( -9.0f, "+9"));
815  //points.insert (std::pair<float,string>( -6.0f, "+12"));
816  break;
817 
818  case MeterIEC1DIN:
819  overlay_midi = 2;
820  //points.insert (std::pair<float,string>( -3.0f, "200%"));
821  points.insert (std::pair<float,string>( -4.0f, "+5"));
822  points.insert (std::pair<float,string>( -9.0f, "0")); // "100%";
823  points.insert (std::pair<float,string>(-14.0f, "-5"));
824  //points.insert (std::pair<float,string>(-15.0f, "50%"));
825  //points.insert (std::pair<float,string>(-18.0f, "-9"));
826  points.insert (std::pair<float,string>(-19.0f, "-10")); // "30%"
827  points.insert (std::pair<float,string>(-29.0f, "-20")); // "10%"
828  //points.insert (std::pair<float,string>(-35.0f, "5%")); // "5%"
829  points.insert (std::pair<float,string>(-39.0f, "-30"));
830  //points.insert (std::pair<float,string>(-49.0f, "1%"));
831  points.insert (std::pair<float,string>(-59.0f, "-50"));
832  break;
833 
834  case MeterVU:
835  overlay_midi = 0;
836  points.insert (std::pair<float,string>(-17.0f, "+3"));
837  points.insert (std::pair<float,string>(-18.0f, "+2"));
838  points.insert (std::pair<float,string>(-19.0f, "+1"));
839  points.insert (std::pair<float,string>(-20.0f, " 0"));
840  points.insert (std::pair<float,string>(-21.0f, "-1"));
841  points.insert (std::pair<float,string>(-22.0f, "-2"));
842  points.insert (std::pair<float,string>(-23.0f, "-3"));
843  points.insert (std::pair<float,string>(-25.0f, "-5"));
844  points.insert (std::pair<float,string>(-27.0f, "-7"));
845  points.insert (std::pair<float,string>(-30.0f, "-10"));
846  points.insert (std::pair<float,string>(-40.0f, "-20"));
847  break;
848  }
849  break;
850  case DataType::MIDI:
851  layout->set_attributes (midi_font_attributes);
852  if (types.size() == 1) {
853  points.insert (std::pair<float,string>( 0, "0"));
854  points.insert (std::pair<float,string>( 16, "16"));
855  points.insert (std::pair<float,string>( 32, "32"));
856  points.insert (std::pair<float,string>( 48, "48"));
857  points.insert (std::pair<float,string>( 64, "64"));
858  points.insert (std::pair<float,string>( 80, "80"));
859  points.insert (std::pair<float,string>( 96, "96"));
860  points.insert (std::pair<float,string>(100, "100"));
861  points.insert (std::pair<float,string>(112, "112"));
862  points.insert (std::pair<float,string>(127, "127"));
863  } else {
864  switch (overlay_midi) {
865  case 1:
866  /* labels that don't overlay with dBFS */
867  points.insert (std::pair<float,string>( 0, "0"));
868  points.insert (std::pair<float,string>( 24, "24"));
869  points.insert (std::pair<float,string>( 48, "48"));
870  points.insert (std::pair<float,string>( 72, "72"));
871  points.insert (std::pair<float,string>(127, "127"));
872  break;
873  case 2:
874  /* labels that don't overlay with DIN */
875  points.insert (std::pair<float,string>( 0, "0"));
876  points.insert (std::pair<float,string>( 16, "16"));
877  points.insert (std::pair<float,string>( 40, "40"));
878  points.insert (std::pair<float,string>( 64, "64"));
879  points.insert (std::pair<float,string>(112, "112"));
880  points.insert (std::pair<float,string>(127, "127"));
881  break;
882  case 3:
883  /* labels that don't overlay with BBC nor EBU*/
884  points.insert (std::pair<float,string>( 0, "0"));
885  points.insert (std::pair<float,string>( 16, "16"));
886  points.insert (std::pair<float,string>( 56, "56"));
887  points.insert (std::pair<float,string>( 72, "72"));
888  points.insert (std::pair<float,string>(112, "112"));
889  points.insert (std::pair<float,string>(127, "127"));
890  case 4:
891  /* labels that don't overlay with 0dBFS*/
892  points.insert (std::pair<float,string>( 0, "0"));
893  points.insert (std::pair<float,string>( 16, "16"));
894  points.insert (std::pair<float,string>( 48, "48"));
895  points.insert (std::pair<float,string>( 84, "84"));
896  points.insert (std::pair<float,string>(100, "100"));
897  default:
898  break;
899  }
900  }
901  break;
902  }
903 
904  gint pos = -1;
905 
906  for (std::map<float,string>::const_iterator j = points.begin(); j != points.end(); ++j) {
907  float fraction = 0;
908  bool align_center = background; // this is true for meterbridge meters w/ fixed background
909  switch (*i) {
910  case DataType::AUDIO:
911  fraction = mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
912 
913  pos = height - (gint) floor (height * fraction);
914  pos = max (pos, 1);
915  if (tickleft) {
916  cairo_move_to(cr, width-1.5, pos + .5);
917  cairo_line_to(cr, width, pos + .5);
918  cairo_stroke (cr);
919  } else if (tickright) {
920  cairo_move_to(cr, 0, pos + .5);
921  cairo_line_to(cr, 1.5, pos + .5);
922  cairo_stroke (cr);
923  }
924  break;
925  case DataType::MIDI:
926  align_center = false; // don't bleed into legend
927  fraction = (j->first) / 127.0;
928  pos = 1 + height - (gint) lrintf (height * fraction);
929  pos = min (pos, height);
930  break;
931  }
932 
933  if (pos < 0) continue;
934 
935  layout->set_text(j->second.c_str());
936 
937  int tw, th;
938  layout->get_pixel_size(tw, th);
939 
940  int p = pos - (th / 2) - 1;
941  p = min (p, height - th);
942  p = max (p, 0);
943 
944  if (align_center) {
945  cairo_move_to (cr, (width-tw)/2.0, p);
946  } else {
947  cairo_move_to (cr, width-3-tw, p);
948  }
949 
950  cairo_set_line_width(cr, 0.12);
951  cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
952  pango_cairo_layout_path(cr, layout->gobj());
953  cairo_stroke_preserve (cr);
954  cairo_set_line_width(cr, 1.0);
955 
956  if ((*i) == DataType::AUDIO) {
957  mtr_col_and_fract(cr, &c, peakcolor, type, j->first);
958  } else {
959  cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
960  }
961 
962  pango_cairo_show_layout (cr, layout->gobj());
963  cairo_new_path(cr);
964  }
965  }
966 
967  // add legend
968  if (types.size() == 1 || overlay_midi == 0) {
969  int tw, th;
970  layout->set_attributes (unit_font_attributes);
971  switch (types.at(0)) {
972  case DataType::AUDIO:
973  switch (type) {
974  case MeterK20:
975  layout->set_text("K20");
976  break;
977  case MeterK14:
978  layout->set_text("K14");
979  break;
980  case MeterK12:
981  layout->set_text("K12");
982  break;
983  default:
984  case MeterPeak:
985  case MeterPeak0dB:
986  case MeterKrms:
987  layout->set_text("dBFS");
988  break;
989  case MeterIEC2EBU:
990  layout->set_text("EBU");
991  break;
992  case MeterIEC2BBC:
993  layout->set_text("BBC");
994  break;
995  case MeterIEC1DIN:
996  layout->set_text("DIN");
997  break;
998  case MeterIEC1NOR:
999  layout->set_text("NOR");
1000  break;
1001  case MeterVU:
1002  layout->set_text("VU");
1003  break;
1004  }
1005  layout->get_pixel_size(tw, th);
1006  break;
1007  case DataType::MIDI:
1008  layout->set_text("mid");
1009  layout->get_pixel_size(tw, th);
1010  break;
1011  }
1012  if (!background) {
1013  c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
1014  }
1015  cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
1016  if (tickleft) {
1017  cairo_move_to (cr, width - 2 - tw, height - th - 0.5);
1018  } else {
1019  cairo_move_to (cr, 2, height - th - 0.5);
1020  }
1021  pango_cairo_show_layout (cr, layout->gobj());
1022  }
1023 
1024  cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
1025 
1026  cairo_destroy (cr);
1027  cairo_surface_destroy (surface);
1028 
1029  return pattern;
1030 }
1031 
1032 gint
1033 ArdourMeter::meter_expose_ticks (GdkEventExpose *ev, MeterType type, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mta)
1034 {
1035  Glib::RefPtr<Gdk::Window> win (mta->get_window());
1036  cairo_t* cr;
1037 
1038  cr = gdk_cairo_create (win->gobj());
1039 
1040  /* clip to expose area */
1041 
1042  gdk_cairo_rectangle (cr, &ev->area);
1043  cairo_clip (cr);
1044 
1045  cairo_pattern_t* pattern;
1046  const MeterMatricsMapKey key (mta->get_name(), type, types_to_bit(types));
1047  MetricPatternMap::iterator i = ticks_patterns.find (key);
1048 
1049  if (i == ticks_patterns.end()) {
1050  pattern = meter_render_ticks (*mta, type, types);
1051  ticks_patterns[key] = pattern;
1052  } else {
1053  pattern = i->second;
1054  }
1055 
1056  cairo_move_to (cr, 0, 0);
1057  cairo_set_source (cr, pattern);
1058 
1059  gint width, height;
1060  win->get_size (width, height);
1061 
1062  cairo_rectangle (cr, 0, 0, width, height);
1063  cairo_fill (cr);
1064 
1065  cairo_destroy (cr);
1066 
1067  return true;
1068 }
1069 
1070 gint
1071 ArdourMeter::meter_expose_metrics (GdkEventExpose *ev, MeterType type, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mma)
1072 {
1073  Glib::RefPtr<Gdk::Window> win (mma->get_window());
1074  cairo_t* cr;
1075 
1076  cr = gdk_cairo_create (win->gobj());
1077 
1078  /* clip to expose area */
1079 
1080  gdk_cairo_rectangle (cr, &ev->area);
1081  cairo_clip (cr);
1082 
1083  cairo_pattern_t* pattern;
1084  const MeterMatricsMapKey key (mma->get_name(), type, types_to_bit(types));
1085  MetricPatternMap::iterator i = metric_patterns.find (key);
1086 
1087  if (i == metric_patterns.end()) {
1088  pattern = meter_render_metrics (*mma, type, types);
1089  metric_patterns[key] = pattern;
1090  } else {
1091  pattern = i->second;
1092  }
1093 
1094  cairo_move_to (cr, 0, 0);
1095 
1096  gint width, height;
1097  win->get_size (width, height);
1098 #ifdef NO_OVERSAMPLE
1099  cairo_set_source (cr, pattern);
1100  cairo_rectangle (cr, 0, 0, width, height);
1101 #else
1102  cairo_scale(cr, 0.5, 0.5);
1103  cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);
1104  cairo_set_source (cr, pattern);
1105  cairo_rectangle (cr, 0, 0, width * 2., height * 2.);
1106 #endif
1107 
1108  cairo_fill (cr);
1109 
1110  cairo_destroy (cr);
1111 
1112  return true;
1113 }
1114 
1115 void
1116 ArdourMeter::meter_clear_pattern_cache(int which) {
1117  MetricPatternMap::iterator i = metric_patterns.begin();
1118  MetricPatternMap::iterator j = ticks_patterns.begin();
1119 
1120  while (i != metric_patterns.end()) {
1121  int m = 4;
1122  MeterMatricsMapKey const * const key = &(i->first);
1123  std::string n = key->_n;
1124  if (n.substr(n.length() - 4) == "Left") { m = 1; }
1125  if (n.substr(n.length() - 5) == "Right") { m = 2; }
1126  if (which & m) {
1127  cairo_pattern_destroy(i->second);
1128  metric_patterns.erase(i++);
1129  } else {
1130  ++i;
1131  }
1132  }
1133 
1134  while (j != ticks_patterns.end()) {
1135  int m = 4;
1136  MeterMatricsMapKey const * const key = &(j->first);
1137  std::string n = key->_n;
1138  if (n.substr(n.length() - 4) == "Left") { m = 1; }
1139  if (n.substr(n.length() - 5) == "Right") { m = 2; }
1140  if (which & m) {
1141  cairo_pattern_destroy(j->second);
1142  ticks_patterns.erase(j++);
1143  } else {
1144  ++j;
1145  }
1146  }
1147  RedrawMetrics();
1148 }
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static float meter_deflect_ppm(float)
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static ArdourMeter::MetricPatternMap metric_patterns
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static float log_meter0dB(float db)
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static void set_bg_color(Gtk::Widget &w, cairo_t *cr, MeterType type)
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static const int max_pattern_metric_size
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static float meter_deflect_nordic(float)
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#define _(Text)
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static cairo_pattern_t * meter_render_metrics(Gtk::Widget &w, MeterType type, vector< DataType > types)
Definition: meter_patterns.cc:604
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const std::string meter_type_string(ARDOUR::MeterType)
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std::map< MeterMatricsMapKey, cairo_pattern_t * > MetricPatternMap
Definition: meter_patterns.cc:70
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gint meter_expose_metrics(GdkEventExpose *ev, ARDOUR::MeterType type, std::vector< ARDOUR::DataType > types, Gtk::DrawingArea *mma)
Definition: meter_patterns.cc:1071
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sigc::signal< void, int, ARDOUR::RouteGroup *, ARDOUR::MeterType > SetMeterTypeMulti
Definition: meter_patterns.cc:50
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static cairo_pattern_t * meter_render_ticks(Gtk::Widget &w, MeterType type, vector< ARDOUR::DataType > types)
Definition: meter_patterns.cc:293
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sigc::signal< void > ResetAllPeakDisplays
Definition: meter_patterns.cc:45
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static float log_meter(float db)
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static ArdourMeter::MetricPatternMap ticks_patterns
Definition: meter_patterns.cc:73
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static UIConfiguration * config()
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Definition: meter_patterns.cc:47
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static int types_to_bit(vector< ARDOUR::DataType > types)
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Definition: meter_patterns.cc:56
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static float ui_scale
Definition: ardour_ui.h:189
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static float meter_deflect_vu(float)
Definition: logmeter.h:147
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static float meter_deflect_k(float, float)
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bool operator<(const MeterMatricsMapKey &rhs) const
Definition: meter_patterns.cc:61
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gint meter_expose_ticks(GdkEventExpose *ev, ARDOUR::MeterType type, std::vector< ARDOUR::DataType > types, Gtk::DrawingArea *mta)
Definition: meter_patterns.cc:1033
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static void set_fg_color(Gtk::Widget &, MeterType type, Gdk::Color *c)
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