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break out meter&metric pattern rendering.. first step towards new mixer-meters

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This commit is contained in:
Robin Gareus 2013-07-05 13:58:14 +02:00
parent af191fddca
commit 68762b9efd
9 changed files with 543 additions and 667 deletions
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7
gtk2_ardour/ardour3_widget_list.rc
View File

@ -169,12 +169,19 @@ widget "*FaderMetricsStrip" style:highest "audio_track_metrics"
widget "*AudioTrackMetrics" style:highest "audio_track_metrics"
widget "*MidiTrackMetrics" style:highest "midi_track_metrics"
widget "*AudioBusMetrics" style:highest "audio_bus_metrics"
widget "*AudioMidiTrackMetrics" style:highest "midi_track_metrics"
widget "*AudioTrackMetricsLeft" style:highest "audio_track_metrics"
widget "*MidiTrackMetricsLeft" style:highest "midi_track_metrics"
widget "*AudioBusMetricsLeft" style:highest "audio_bus_metrics"
widget "*AudioMidiTrackMetricsLeft" style:highest "midi_track_metrics"
widget "*AudioTrackMetricsRight" style:highest "audio_track_metrics"
widget "*MidiTrackMetricsRight" style:highest "midi_track_metrics"
widget "*AudioBusMetricsRight" style:highest "audio_bus_metrics"
widget "*AudioMidiTrackMetricsRight" style:highest "midi_track_metrics"
widget "*AudioTrackMetricsInactive" style:highest "audio_track_metrics_inactive"
widget "*MidiTrackMetricsInactive" style:highest "midi_track_metrics_inactive"
widget "*AudioBusMetricsInactive" style:highest "audio_bus_metrics_inactive"
widget "*AudioMidiTrackMetricsInactive" style:highest "midi_track_metrics_inactive"
widget "*TimeAxisViewControlsBaseUnselected" style:highest "audio_track_base"
widget "*AudioTrackControlsBaseUnselected" style:highest "audio_track_base"

205
gtk2_ardour/gain_meter.cc
View File

@ -44,6 +44,7 @@
#include "keyboard.h"
#include "public_editor.h"
#include "utils.h"
#include "meter_patterns.h"
#include "ardour/session.h"
#include "ardour/route.h"
@ -63,14 +64,10 @@ using Gtkmm2ext::Keyboard;
sigc::signal<void> GainMeterBase::ResetAllPeakDisplays;
sigc::signal<void,RouteGroup*> GainMeterBase::ResetGroupPeakDisplays;
GainMeter::MetricPatterns GainMeter::metric_patterns;
GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
: gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0.0, 1.0, 0.01, 0.1)
, gain_automation_style_button ("")
, gain_automation_state_button ("")
, style_changed (false)
, dpi_changed (false)
, _data_type (DataType::AUDIO)
{
@ -837,9 +834,9 @@ GainMeterBase::update_meters()
void GainMeterBase::color_handler(bool dpi)
{
color_changed = true;
dpi_changed = (dpi) ? true : false;
meter_clear_pattern_cache();
setup_meters();
meter_metric_area.queue_draw ();
}
void
@ -857,7 +854,8 @@ GainMeterBase::set_width (Width w, int len)
void
GainMeterBase::on_theme_changed()
{
style_changed = true;
meter_clear_pattern_cache();
meter_metric_area.queue_draw ();
}
GainMeter::GainMeter (Session* s, int fader_length)
@ -871,7 +869,7 @@ GainMeter::GainMeter (Session* s, int fader_length)
gain_display_box.pack_start (gain_display, true, true);
meter_metric_area.set_name ("AudioTrackMetrics");
set_size_request_to_display_given_text (meter_metric_area, "-127", 1, 0);
set_size_request_to_display_given_text (meter_metric_area, "-8888", 1, 0);
gain_automation_style_button.set_name ("mixer strip button");
gain_automation_state_button.set_name ("mixer strip button");
@ -953,197 +951,10 @@ GainMeter::get_gm_width ()
return sz.width;
}
cairo_pattern_t*
GainMeter::render_metrics (Gtk::Widget& w, vector<DataType> types)
{
Glib::RefPtr<Gdk::Window> win (w.get_window());
gint width, height;
win->get_size (width, height);
cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cairo_t* cr = cairo_create (surface);
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
Pango::AttrList audio_font_attributes;
Pango::AttrList midi_font_attributes;
Pango::AttrFontDesc* font_attr;
Pango::FontDescription font;
font = Pango::FontDescription (""); // use defaults
//font = get_font_for_style("gain-fader");
//font = w.get_style()->get_font();
font.set_weight (Pango::WEIGHT_NORMAL);
font.set_size (9.0 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
audio_font_attributes.change (*font_attr);
delete font_attr;
font.set_weight (Pango::WEIGHT_ULTRALIGHT);
font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
font.set_size (7.5 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
midi_font_attributes.change (*font_attr);
delete font_attr;
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
{
Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
cairo_fill (cr);
for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
Gdk::Color c;
if (types.size() > 1) {
/* we're overlaying more than 1 set of marks, so use different colours */
Gdk::Color c;
switch (*i) {
case DataType::AUDIO:
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
case DataType::MIDI:
c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
}
} else {
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
vector<int> points;
switch (*i) {
case DataType::AUDIO:
layout->set_attributes (audio_font_attributes);
points.push_back (-50);
points.push_back (-40);
points.push_back (-30);
points.push_back (-20);
points.push_back (-10);
points.push_back (-3);
points.push_back (0);
points.push_back (4);
break;
case DataType::MIDI:
layout->set_attributes (midi_font_attributes);
points.push_back (0);
if (types.size() == 1) {
points.push_back (32);
} else {
/* tweak so as not to overlay the -30dB mark */
points.push_back (48);
}
points.push_back (64);
points.push_back (96);
points.push_back (127);
break;
}
char buf[32];
for (vector<int>::const_iterator j = points.begin(); j != points.end(); ++j) {
gint pos;
float fraction = 0;
switch (*i) {
case DataType::AUDIO:
fraction = log_meter (*j);
pos = height - (gint) floor (height * fraction);
break;
case DataType::MIDI:
fraction = *j / 127.0;
pos = 1 + height - (gint) floor (height * fraction);
break;
}
float const linepos = min((float) height, (float)(pos + .5f));
cairo_set_line_width (cr, 1.0);
cairo_move_to (cr, 0, linepos);
cairo_line_to (cr, 3.5, linepos);
cairo_stroke (cr);
snprintf (buf, sizeof (buf), "%2d", abs (*j));
layout->set_text(buf);
/* we want logical extents, not ink extents here */
int tw, th;
layout->get_pixel_size(tw, th);
int p = pos - (th / 2);
p = min (p, height - th);
p = max (p, 0);
cairo_move_to (cr, 5, p);
pango_cairo_show_layout (cr, layout->gobj());
}
}
cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
MetricPatterns::iterator p;
if ((p = metric_patterns.find (w.get_name())) != metric_patterns.end()) {
cairo_pattern_destroy (p->second);
}
metric_patterns[w.get_name()] = pattern;
cairo_destroy (cr);
cairo_surface_destroy (surface);
return pattern;
}
gint
GainMeter::meter_metrics_expose (GdkEventExpose *ev)
{
Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
cairo_t* cr;
cr = gdk_cairo_create (win->gobj());
/* clip to expose area */
gdk_cairo_rectangle (cr, &ev->area);
cairo_clip (cr);
cairo_pattern_t* pattern;
MetricPatterns::iterator i = metric_patterns.find (meter_metric_area.get_name());
if (i == metric_patterns.end() || style_changed || dpi_changed) {
pattern = render_metrics (meter_metric_area, _types);
} else {
pattern = i->second;
}
cairo_move_to (cr, 0, 0);
cairo_set_source (cr, pattern);
gint width, height;
win->get_size (width, height);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
style_changed = false;
dpi_changed = false;
cairo_destroy (cr);
return true;
return meter_expose_metrics(ev, _types, &meter_metric_area);
}
boost::shared_ptr<PBD::Controllable>
@ -1206,7 +1017,7 @@ GainMeter::meter_configuration_changed (ChanCount c)
}
}
style_changed = true;
meter_clear_pattern_cache();
meter_metric_area.queue_draw ();
}

7
gtk2_ardour/gain_meter.h
View File

@ -185,9 +185,6 @@ class GainMeterBase : virtual public sigc::trackable, ARDOUR::SessionHandlePtr
static sigc::signal<void,ARDOUR::RouteGroup*> ResetGroupPeakDisplays;
void on_theme_changed ();
bool style_changed;
bool dpi_changed;
bool color_changed;
void color_handler(bool);
ARDOUR::DataType _data_type;
ARDOUR::ChanCount _previous_amp_output_streams;
@ -216,10 +213,6 @@ class GainMeter : public GainMeterBase, public Gtk::VBox
gint meter_metrics_expose (GdkEventExpose *);
typedef std::map<std::string,cairo_pattern_t*> MetricPatterns;
static MetricPatterns metric_patterns;
static cairo_pattern_t* render_metrics (Gtk::Widget &, std::vector<ARDOUR::DataType>);
private:
void meter_configuration_changed (ARDOUR::ChanCount);

469
gtk2_ardour/meter_patterns.cc Normal file
View File

@ -0,0 +1,469 @@
/*
Copyright (C) 2013 Paul Davis
Author: Robin Gareus
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gtkmm2ext/cairo_widget.h>
#include <gtkmm2ext/gtk_ui.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/rgb_macros.h>
#include "ardour_ui.h"
#include "utils.h"
#include "logmeter.h"
#include "meter_patterns.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace std;
static const int max_pattern_metric_size = 1026;
cairo_pattern_t*
meter_render_ticks (Gtk::Widget& w, vector<ARDOUR::DataType> types)
{
Glib::RefPtr<Gdk::Window> win (w.get_window());
gint width, height;
win->get_size (width, height);
cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cairo_t* cr = cairo_create (surface);
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
{
Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
cairo_fill (cr);
height = min(max_pattern_metric_size, height);
uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
Gdk::Color c;
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
if (types.size() > 1) {
/* we're overlaying more than 1 set of marks, so use different colours */
switch (*i) {
case DataType::AUDIO:
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
case DataType::MIDI:
c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
}
} else {
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
std::map<int,float> points;
switch (*i) {
case DataType::AUDIO:
points.insert (std::pair<int,float>(-60, 0.5));
points.insert (std::pair<int,float>(-50, 0.5));
points.insert (std::pair<int,float>(-40, 0.5));
points.insert (std::pair<int,float>(-30, 0.5));
points.insert (std::pair<int,float>(-25, 0.5));
points.insert (std::pair<int,float>(-20, 1.0));
points.insert (std::pair<int,float>(-19, 0.5));
points.insert (std::pair<int,float>(-18, 1.0));
points.insert (std::pair<int,float>(-17, 0.5));
points.insert (std::pair<int,float>(-16, 0.5));
points.insert (std::pair<int,float>(-15, 1.0));
points.insert (std::pair<int,float>(-14, 0.5));
points.insert (std::pair<int,float>(-13, 0.5));
points.insert (std::pair<int,float>(-12, 0.5));
points.insert (std::pair<int,float>(-11, 0.5));
points.insert (std::pair<int,float>(-10, 1.0));
points.insert (std::pair<int,float>( -9, 0.5));
points.insert (std::pair<int,float>( -8, 0.5));
points.insert (std::pair<int,float>( -7, 0.5));
points.insert (std::pair<int,float>( -6, 0.5));
points.insert (std::pair<int,float>( -5, 1.0));
points.insert (std::pair<int,float>( -4, 0.5));
points.insert (std::pair<int,float>( -3, 0.5));
points.insert (std::pair<int,float>( -2, 0.5));
points.insert (std::pair<int,float>( -1, 0.5));
points.insert (std::pair<int,float>( 0, 1.0));
points.insert (std::pair<int,float>( 1, 0.5));
points.insert (std::pair<int,float>( 2, 0.5));
points.insert (std::pair<int,float>( 3, 0.5));
points.insert (std::pair<int,float>( 4, 0.5));
points.insert (std::pair<int,float>( 5, 0.5));
break;
case DataType::MIDI:
points.insert (std::pair<int,float>( 0, 1.0));
points.insert (std::pair<int,float>( 16, 0.5));
points.insert (std::pair<int,float>( 32, 0.5));
points.insert (std::pair<int,float>( 48, 0.5));
points.insert (std::pair<int,float>( 64, 1.0));
points.insert (std::pair<int,float>( 80, 0.5));
points.insert (std::pair<int,float>( 96, 0.5));
points.insert (std::pair<int,float>(100, 1.0));
points.insert (std::pair<int,float>(112, 0.5));
points.insert (std::pair<int,float>(127, 1.0));
break;
}
for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
cairo_set_line_width (cr, (j->second));
float fraction = 0;
gint pos;
switch (*i) {
case DataType::AUDIO:
if (j->first >= 0 || j->first == -9) {
cairo_set_source_rgb (cr,
UINT_RGBA_R_FLT(peakcolor),
UINT_RGBA_G_FLT(peakcolor),
UINT_RGBA_B_FLT(peakcolor));
} else {
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
fraction = log_meter (j->first);
pos = height - (gint) floor (height * fraction);
cairo_move_to(cr, 0, pos + .5);
cairo_line_to(cr, 3, pos + .5);
cairo_stroke (cr);
break;
case DataType::MIDI:
fraction = (j->first) / 127.0;
pos = 1 + height - (gint) floor (height * fraction);
pos = min (pos, height);
cairo_arc(cr, 1.5, pos + .5, 1.0, 0, 2 * M_PI);
cairo_fill(cr);
break;
}
}
}
cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
cairo_destroy (cr);
cairo_surface_destroy (surface);
return pattern;
}
cairo_pattern_t*
meter_render_metrics (Gtk::Widget& w, vector<DataType> types)
{
Glib::RefPtr<Gdk::Window> win (w.get_window());
bool tickleft = true;
gint width, height;
win->get_size (width, height);
tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cairo_t* cr = cairo_create (surface);
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
Pango::AttrList audio_font_attributes;
Pango::AttrList midi_font_attributes;
Pango::AttrList unit_font_attributes;
Pango::AttrFontDesc* font_attr;
Pango::FontDescription font;
font = Pango::FontDescription (""); // use defaults
//font = get_font_for_style("gain-fader");
//font = w.get_style()->get_font();
font.set_weight (Pango::WEIGHT_NORMAL);
font.set_size (9.0 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
audio_font_attributes.change (*font_attr);
delete font_attr;
font.set_weight (Pango::WEIGHT_ULTRALIGHT);
font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
font.set_size (7.5 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
midi_font_attributes.change (*font_attr);
delete font_attr;
font.set_size (7.0 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
unit_font_attributes.change (*font_attr);
delete font_attr;
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
{
Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
cairo_fill (cr);
height = min(max_pattern_metric_size, height);
uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
Gdk::Color c;
if (types.size() > 1) {
/* we're overlaying more than 1 set of marks, so use different colours */
Gdk::Color c;
switch (*i) {
case DataType::AUDIO:
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
case DataType::MIDI:
c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
}
} else {
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
std::map<int,float> points;
switch (*i) {
case DataType::AUDIO:
layout->set_attributes (audio_font_attributes);
points.insert (std::pair<int,float>(-50, 0.5));
points.insert (std::pair<int,float>(-40, 0.5));
points.insert (std::pair<int,float>(-30, 0.5));
points.insert (std::pair<int,float>(-20, 1.0));
if (types.size() == 1) {
points.insert (std::pair<int,float>(-25, 0.5));
points.insert (std::pair<int,float>(-15, 1.0));
}
points.insert (std::pair<int,float>(-18, 1.0));
points.insert (std::pair<int,float>(-10, 1.0));
points.insert (std::pair<int,float>( -5, 1.0));
points.insert (std::pair<int,float>( -3, 0.5));
points.insert (std::pair<int,float>( 0, 1.0));
points.insert (std::pair<int,float>( 3, 0.5));
break;
case DataType::MIDI:
layout->set_attributes (midi_font_attributes);
points.insert (std::pair<int,float>( 0, 1.0));
if (types.size() == 1) {
points.insert (std::pair<int,float>( 16, 0.5));
points.insert (std::pair<int,float>( 32, 0.5));
points.insert (std::pair<int,float>( 48, 0.5));
points.insert (std::pair<int,float>( 64, 1.0));
points.insert (std::pair<int,float>( 80, 0.5));
points.insert (std::pair<int,float>( 96, 0.5));
points.insert (std::pair<int,float>(100, 0.5));
points.insert (std::pair<int,float>(112, 0.5));
} else {
/* labels that don't overlay with dB */
points.insert (std::pair<int,float>( 24, 0.5));
points.insert (std::pair<int,float>( 48, 0.5));
points.insert (std::pair<int,float>( 72, 0.5));
}
points.insert (std::pair<int,float>(127, 1.0));
break;
}
char buf[32];
gint pos;
for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
float fraction = 0;
switch (*i) {
case DataType::AUDIO:
cairo_set_line_width (cr, (j->second));
if (j->first >= 0) {
cairo_set_source_rgb (cr,
UINT_RGBA_R_FLT(peakcolor),
UINT_RGBA_G_FLT(peakcolor),
UINT_RGBA_B_FLT(peakcolor));
}
fraction = log_meter (j->first);
snprintf (buf, sizeof (buf), "%+2d", j->first);
pos = height - (gint) floor (height * fraction);
if (tickleft) {
cairo_move_to(cr, width-2.5, pos + .5);
cairo_line_to(cr, width, pos + .5);
} else {
cairo_move_to(cr, 0, pos + .5);
cairo_line_to(cr, 2.5, pos + .5);
}
cairo_stroke (cr);
break;
case DataType::MIDI:
cairo_set_line_width (cr, 1.0);
fraction = (j->first) / 127.0;
snprintf (buf, sizeof (buf), "%3d", j->first);
pos = 1 + height - (gint) rintf (height * fraction);
pos = min (pos, height);
if (tickleft) {
cairo_arc(cr, width - 2.0, pos + .5, 1.0, 0, 2 * M_PI);
} else {
cairo_arc(cr, 3, pos + .5, 1.0, 0, 2 * M_PI);
}
cairo_fill(cr);
break;
}
layout->set_text(buf);
/* we want logical extents, not ink extents here */
int tw, th;
layout->get_pixel_size(tw, th);
int p = pos - (th / 2);
p = min (p, height - th);
p = max (p, 0);
cairo_move_to (cr, width-4-tw, p);
pango_cairo_show_layout (cr, layout->gobj());
}
}
if (types.size() == 1) {
int tw, th;
layout->set_attributes (unit_font_attributes);
switch (types.at(0)) {
case DataType::AUDIO:
layout->set_text("dBFS");
layout->get_pixel_size(tw, th);
break;
case DataType::MIDI:
layout->set_text("vel");
layout->get_pixel_size(tw, th);
break;
}
Gdk::Color c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
cairo_move_to (cr, 1, height - th - 1.5);
pango_cairo_show_layout (cr, layout->gobj());
}
cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
cairo_destroy (cr);
cairo_surface_destroy (surface);
return pattern;
}
typedef std::map<std::string,cairo_pattern_t*> TickPatterns;
static TickPatterns ticks_patterns;
gint meter_expose_ticks (GdkEventExpose *ev, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mta)
{
Glib::RefPtr<Gdk::Window> win (mta->get_window());
cairo_t* cr;
cr = gdk_cairo_create (win->gobj());
/* clip to expose area */
gdk_cairo_rectangle (cr, &ev->area);
cairo_clip (cr);
cairo_pattern_t* pattern;
TickPatterns::iterator i = ticks_patterns.find (mta->get_name());
if (i == ticks_patterns.end()) {
pattern = meter_render_ticks (*mta, types);
ticks_patterns[mta->get_name()] = pattern;
} else {
pattern = i->second;
}
cairo_move_to (cr, 0, 0);
cairo_set_source (cr, pattern);
gint width, height;
win->get_size (width, height);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
cairo_destroy (cr);
return true;
}
typedef std::map<std::string,cairo_pattern_t*> MetricPatterns;
static MetricPatterns metric_patterns;
gint meter_expose_metrics (GdkEventExpose *ev, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mma)
{
Glib::RefPtr<Gdk::Window> win (mma->get_window());
cairo_t* cr;
cr = gdk_cairo_create (win->gobj());
/* clip to expose area */
gdk_cairo_rectangle (cr, &ev->area);
cairo_clip (cr);
cairo_pattern_t* pattern;
MetricPatterns::iterator i = metric_patterns.find (mma->get_name());
if (i == metric_patterns.end()) {
pattern = meter_render_metrics (*mma, types);
metric_patterns[mma->get_name()] = pattern;
} else {
pattern = i->second;
}
cairo_move_to (cr, 0, 0);
cairo_set_source (cr, pattern);
gint width, height;
win->get_size (width, height);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
cairo_destroy (cr);
return true;
}
void meter_clear_pattern_cache() {
metric_patterns.clear();
ticks_patterns.clear();
}

38
gtk2_ardour/meter_patterns.h Normal file
View File

@ -0,0 +1,38 @@
/*
Copyright (C) 2013 Paul Davis
Author: Robin Gareus
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_meter_patterns__
#define __ardour_meter_patterns__
#include <list>
#include <vector>
#include "ardour/types.h"
#include "gtkmm2ext/cairo_widget.h"
cairo_pattern_t* meter_render_ticks (Gtk::Widget& w, std::vector<ARDOUR::DataType> types);
cairo_pattern_t* meter_render_metrics (Gtk::Widget& w, std::vector<ARDOUR::DataType> types);
gint meter_expose_ticks (GdkEventExpose *ev, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mta);
gint meter_expose_metrics (GdkEventExpose *ev, std::vector<ARDOUR::DataType> types, Gtk::DrawingArea *mma);
void meter_clear_pattern_cache();
#endif

465
gtk2_ardour/meter_strip.cc
View File

@ -43,6 +43,7 @@
#include "meterbridge.h"
#include "meter_strip.h"
#include "meter_patterns.h"
#include "i18n.h"
@ -58,10 +59,6 @@ PBD::Signal1<void,RouteGroup*> MeterStrip::ResetGroupPeakDisplays;
PBD::Signal0<void> MeterStrip::MetricChanged;
MeterStrip::MetricPatterns MeterStrip::metric_patterns;
MeterStrip::TickPatterns MeterStrip::ticks_patterns;
int MeterStrip::max_pattern_metric_size = 1026; // +2 border
MeterStrip::MeterStrip (int metricmode)
: AxisView(0)
, RouteUI(0)
@ -250,8 +247,7 @@ MeterStrip::fast_update ()
void
MeterStrip::on_theme_changed()
{
metric_patterns.clear();
ticks_patterns.clear();
meter_clear_pattern_cache();
if (level_meter && _route) {
int meter_width = 6;
@ -309,16 +305,14 @@ MeterStrip::meter_configuration_changed (ChanCount c)
void
MeterStrip::on_size_request (Gtk::Requisition* r)
{
metric_patterns.clear();
ticks_patterns.clear();
meter_clear_pattern_cache();
VBox::on_size_request(r);
}
void
MeterStrip::on_size_allocate (Gtk::Allocation& a)
{
metric_patterns.clear();
ticks_patterns.clear();
meter_clear_pattern_cache();
const int wh = a.get_height();
int nh = ceilf(wh * .11f);
if (nh < 52) nh = 52;
@ -331,250 +325,10 @@ MeterStrip::on_size_allocate (Gtk::Allocation& a)
VBox::on_size_allocate(a);
}
cairo_pattern_t*
MeterStrip::render_metrics (Gtk::Widget& w, vector<DataType> types)
{
Glib::RefPtr<Gdk::Window> win (w.get_window());
bool tickleft = true;
gint width, height;
win->get_size (width, height);
tickleft = w.get_name().substr(w.get_name().length() - 4) == "Left";
cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cairo_t* cr = cairo_create (surface);
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
Pango::AttrList audio_font_attributes;
Pango::AttrList midi_font_attributes;
Pango::AttrList unit_font_attributes;
Pango::AttrFontDesc* font_attr;
Pango::FontDescription font;
font = Pango::FontDescription (""); // use defaults
//font = get_font_for_style("gain-fader");
//font = w.get_style()->get_font();
font.set_weight (Pango::WEIGHT_NORMAL);
font.set_size (9.0 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
audio_font_attributes.change (*font_attr);
delete font_attr;
font.set_weight (Pango::WEIGHT_ULTRALIGHT);
font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
font.set_size (7.5 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
midi_font_attributes.change (*font_attr);
delete font_attr;
font.set_size (7.0 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
unit_font_attributes.change (*font_attr);
delete font_attr;
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
{
Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
cairo_fill (cr);
height = min(max_pattern_metric_size, height);
uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
Gdk::Color c;
if (types.size() > 1) {
/* we're overlaying more than 1 set of marks, so use different colours */
Gdk::Color c;
switch (*i) {
case DataType::AUDIO:
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
case DataType::MIDI:
c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
}
} else {
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
std::map<int,float> points;
switch (*i) {
case DataType::AUDIO:
layout->set_attributes (audio_font_attributes);
points.insert (std::pair<int,float>(-50, 0.5));
points.insert (std::pair<int,float>(-40, 0.5));
points.insert (std::pair<int,float>(-30, 0.5));
points.insert (std::pair<int,float>(-25, 0.5));
points.insert (std::pair<int,float>(-20, 1.0));
points.insert (std::pair<int,float>(-18, 1.0));
points.insert (std::pair<int,float>(-15, 1.0));
points.insert (std::pair<int,float>(-10, 1.0));
points.insert (std::pair<int,float>( -5, 1.0));
points.insert (std::pair<int,float>( -3, 0.5));
points.insert (std::pair<int,float>( 0, 1.0));
points.insert (std::pair<int,float>( 3, 0.5));
break;
case DataType::MIDI:
layout->set_attributes (midi_font_attributes);
points.insert (std::pair<int,float>( 0, 1.0));
if (types.size() == 1) {
points.insert (std::pair<int,float>( 16, 0.5));
points.insert (std::pair<int,float>( 32, 0.5));
points.insert (std::pair<int,float>( 48, 0.5));
points.insert (std::pair<int,float>( 64, 1.0));
points.insert (std::pair<int,float>( 80, 0.5));
points.insert (std::pair<int,float>( 96, 0.5));
points.insert (std::pair<int,float>(100, 0.5));
points.insert (std::pair<int,float>(112, 0.5));
} else {
/* labels that don't overlay with dB */
points.insert (std::pair<int,float>( 48, 0.5));
points.insert (std::pair<int,float>( 72, 0.5));
points.insert (std::pair<int,float>( 88, 0.5));
}
points.insert (std::pair<int,float>(127, 1.0));
break;
}
char buf[32];
gint pos;
for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
float fraction = 0;
switch (*i) {
case DataType::AUDIO:
cairo_set_line_width (cr, (j->second));
if (j->first >= 0) {
cairo_set_source_rgb (cr,
UINT_RGBA_R_FLT(peakcolor),
UINT_RGBA_G_FLT(peakcolor),
UINT_RGBA_B_FLT(peakcolor));
}
fraction = log_meter (j->first);
snprintf (buf, sizeof (buf), "%+2d", j->first);
pos = height - (gint) floor (height * fraction);
if (tickleft) {
cairo_move_to(cr, width-2.5, pos + .5);
cairo_line_to(cr, width, pos + .5);
} else {
cairo_move_to(cr, 0, pos + .5);
cairo_line_to(cr, 2.5, pos + .5);
}
cairo_stroke (cr);
break;
case DataType::MIDI:
cairo_set_line_width (cr, 1.0);
fraction = (j->first) / 127.0;
snprintf (buf, sizeof (buf), "%3d", j->first);
pos = 1 + height - (gint) rintf (height * fraction);
pos = min (pos, height);
if (tickleft) {
cairo_arc(cr, width - 2.0, pos + .5, 1.0, 0, 2 * M_PI);
} else {
cairo_arc(cr, 3, pos + .5, 1.0, 0, 2 * M_PI);
}
cairo_fill(cr);
break;
}
layout->set_text(buf);
/* we want logical extents, not ink extents here */
int tw, th;
layout->get_pixel_size(tw, th);
int p = pos - (th / 2);
p = min (p, height - th);
p = max (p, 0);
cairo_move_to (cr, width-4-tw, p);
pango_cairo_show_layout (cr, layout->gobj());
}
}
if (types.size() == 1) {
int tw, th;
layout->set_attributes (unit_font_attributes);
switch (types.at(0)) {
case DataType::AUDIO:
layout->set_text("dBFS");
layout->get_pixel_size(tw, th);
break;
case DataType::MIDI:
layout->set_text("vel");
layout->get_pixel_size(tw, th);
break;
}
Gdk::Color c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
cairo_move_to (cr, 1, height - th - 1.5);
pango_cairo_show_layout (cr, layout->gobj());
}
cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
MetricPatterns::iterator p;
if ((p = metric_patterns.find (w.get_name())) != metric_patterns.end()) {
cairo_pattern_destroy (p->second);
}
metric_patterns[w.get_name()] = pattern;
cairo_destroy (cr);
cairo_surface_destroy (surface);
return pattern;
}
gint
MeterStrip::meter_metrics_expose (GdkEventExpose *ev)
{
Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
cairo_t* cr;
cr = gdk_cairo_create (win->gobj());
/* clip to expose area */
gdk_cairo_rectangle (cr, &ev->area);
cairo_clip (cr);
cairo_pattern_t* pattern;
MetricPatterns::iterator i = metric_patterns.find (meter_metric_area.get_name());
if (i == metric_patterns.end()) {
pattern = render_metrics (meter_metric_area, _types);
} else {
pattern = i->second;
}
cairo_move_to (cr, 0, 0);
cairo_set_source (cr, pattern);
gint width, height;
win->get_size (width, height);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
cairo_destroy (cr);
return true;
return meter_expose_metrics(ev, _types, &meter_metric_area);
}
void
@ -582,225 +336,38 @@ MeterStrip::set_metric_mode (int metricmode)
{
_types.clear ();
switch(metricmode) {
case 1:
meter_metric_area.set_name ("AudioBusMetrics");
_types.push_back (DataType::AUDIO);
case 0:
meter_metric_area.set_name ("MidiTrackMetricsLeft");
_types.push_back (DataType::MIDI);
break;
case 2:
case 1:
meter_metric_area.set_name ("AudioTrackMetricsLeft");
_types.push_back (DataType::AUDIO);
break;
case 2:
meter_metric_area.set_name ("MidiTrackMetricsRight");
_types.push_back (DataType::MIDI);
break;
case 3:
meter_metric_area.set_name ("MidiTrackMetrics");
_types.push_back (DataType::MIDI);
break;
case 4:
meter_metric_area.set_name ("AudioTrackMetrics");
_types.push_back (DataType::AUDIO);
break;
default:
meter_metric_area.set_name ("AudioMidiTrackMetrics");
meter_metric_area.set_name ("AudioTrackMetricsRight");
_types.push_back (DataType::AUDIO);
_types.push_back (DataType::MIDI);
break;
}
meter_metric_area.queue_draw ();
}
cairo_pattern_t*
MeterStrip::render_ticks (Gtk::Widget& w, vector<DataType> types)
{
Glib::RefPtr<Gdk::Window> win (w.get_window());
gint width, height;
win->get_size (width, height);
cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cairo_t* cr = cairo_create (surface);
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
{
Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
cairo_fill (cr);
height = min(max_pattern_metric_size, height);
uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
Gdk::Color c;
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
if (types.size() > 1) {
/* we're overlaying more than 1 set of marks, so use different colours */
switch (*i) {
case DataType::AUDIO:
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
case DataType::MIDI:
c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
break;
}
} else {
c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
std::map<int,float> points;
switch (*i) {
case DataType::AUDIO:
points.insert (std::pair<int,float>(-60, 0.5));
points.insert (std::pair<int,float>(-50, 0.5));
points.insert (std::pair<int,float>(-40, 0.5));
points.insert (std::pair<int,float>(-30, 0.5));
points.insert (std::pair<int,float>(-25, 0.5));
points.insert (std::pair<int,float>(-20, 1.0));
points.insert (std::pair<int,float>(-19, 0.5));
points.insert (std::pair<int,float>(-18, 1.0));
points.insert (std::pair<int,float>(-17, 0.5));
points.insert (std::pair<int,float>(-16, 0.5));
points.insert (std::pair<int,float>(-15, 1.0));
points.insert (std::pair<int,float>(-14, 0.5));
points.insert (std::pair<int,float>(-13, 0.5));
points.insert (std::pair<int,float>(-12, 0.5));
points.insert (std::pair<int,float>(-11, 0.5));
points.insert (std::pair<int,float>(-10, 1.0));
points.insert (std::pair<int,float>( -9, 0.5));
points.insert (std::pair<int,float>( -8, 0.5));
points.insert (std::pair<int,float>( -7, 0.5));
points.insert (std::pair<int,float>( -6, 0.5));
points.insert (std::pair<int,float>( -5, 1.0));
points.insert (std::pair<int,float>( -4, 0.5));
points.insert (std::pair<int,float>( -3, 0.5));
points.insert (std::pair<int,float>( -2, 0.5));
points.insert (std::pair<int,float>( -1, 0.5));
points.insert (std::pair<int,float>( 0, 1.0));
points.insert (std::pair<int,float>( 1, 0.5));
points.insert (std::pair<int,float>( 2, 0.5));
points.insert (std::pair<int,float>( 3, 0.5));
points.insert (std::pair<int,float>( 4, 0.5));
points.insert (std::pair<int,float>( 5, 0.5));
break;
case DataType::MIDI:
points.insert (std::pair<int,float>( 0, 1.0));
points.insert (std::pair<int,float>( 16, 0.5));
points.insert (std::pair<int,float>( 32, 0.5));
points.insert (std::pair<int,float>( 48, 0.5));
points.insert (std::pair<int,float>( 64, 1.0));
points.insert (std::pair<int,float>( 80, 0.5));
points.insert (std::pair<int,float>( 96, 0.5));
points.insert (std::pair<int,float>(100, 1.0));
points.insert (std::pair<int,float>(112, 0.5));
points.insert (std::pair<int,float>(127, 1.0));
break;
}
for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
cairo_set_line_width (cr, (j->second));
float fraction = 0;
gint pos;
switch (*i) {
case DataType::AUDIO:
if (j->first >= 0 || j->first == -9) {
cairo_set_source_rgb (cr,
UINT_RGBA_R_FLT(peakcolor),
UINT_RGBA_G_FLT(peakcolor),
UINT_RGBA_B_FLT(peakcolor));
} else {
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
}
fraction = log_meter (j->first);
pos = height - (gint) floor (height * fraction);
cairo_move_to(cr, 0, pos + .5);
cairo_line_to(cr, 3, pos + .5);
cairo_stroke (cr);
break;
case DataType::MIDI:
fraction = (j->first) / 127.0;
pos = 1 + height - (gint) floor (height * fraction);
pos = min (pos, height);
cairo_arc(cr, 1.5, pos + .5, 1.0, 0, 2 * M_PI);
cairo_fill(cr);
break;
}
}
}
cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
TickPatterns::iterator p;
if ((p = ticks_patterns.find (w.get_name())) != metric_patterns.end()) {
cairo_pattern_destroy (p->second);
}
ticks_patterns[w.get_name()] = pattern;
cairo_destroy (cr);
cairo_surface_destroy (surface);
return pattern;
}
gint
MeterStrip::meter_ticks1_expose (GdkEventExpose *ev)
{
return meter_ticks_expose(ev, &meter_ticks1_area);
return meter_expose_ticks(ev, _types, &meter_ticks1_area);
}
gint
MeterStrip::meter_ticks2_expose (GdkEventExpose *ev)
{
return meter_ticks_expose(ev, &meter_ticks2_area);
}
gint
MeterStrip::meter_ticks_expose (GdkEventExpose *ev, Gtk::DrawingArea *mta)
{
Glib::RefPtr<Gdk::Window> win (mta->get_window());
cairo_t* cr;
cr = gdk_cairo_create (win->gobj());
/* clip to expose area */
gdk_cairo_rectangle (cr, &ev->area);
cairo_clip (cr);
cairo_pattern_t* pattern;
TickPatterns::iterator i = ticks_patterns.find (mta->get_name());
if (i == ticks_patterns.end()) {
pattern = render_ticks (*mta, _types);
} else {
pattern = i->second;
}
cairo_move_to (cr, 0, 0);
cairo_set_source (cr, pattern);
gint width, height;
win->get_size (width, height);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
cairo_destroy (cr);
return true;
return meter_expose_ticks(ev, _types, &meter_ticks2_area);
}
void

10
gtk2_ardour/meter_strip.h
View File

@ -70,19 +70,9 @@ class MeterStrip : public Gtk::VBox, public RouteUI
void self_delete ();
gint meter_metrics_expose (GdkEventExpose *);
gint meter_ticks_expose (GdkEventExpose *, Gtk::DrawingArea *);
gint meter_ticks1_expose (GdkEventExpose *);
gint meter_ticks2_expose (GdkEventExpose *);
typedef std::map<std::string,cairo_pattern_t*> MetricPatterns;
static MetricPatterns metric_patterns;
typedef std::map<std::string,cairo_pattern_t*> TickPatterns;
static TickPatterns ticks_patterns;
static cairo_pattern_t* render_metrics (Gtk::Widget &, std::vector<ARDOUR::DataType>);
static cairo_pattern_t* render_ticks (Gtk::Widget &, std::vector<ARDOUR::DataType>);
void on_theme_changed ();
void on_size_allocate (Gtk::Allocation&);

8
gtk2_ardour/meterbridge.cc
View File

@ -118,8 +118,8 @@ Meterbridge::Meterbridge ()
, VisibilityTracker (*((Gtk::Window*) this))
, _visible (false)
, _show_busses (false)
, metrics_left (2)
, metrics_right (3)
, metrics_left (1)
, metrics_right (2)
, cur_max_width (-1)
{
set_name ("Meter Bridge");
@ -534,9 +534,9 @@ Meterbridge::update_metrics ()
}
}
if (have_midi) {
metrics_right.set_metric_mode(3);
metrics_right.set_metric_mode(2);
} else {
metrics_right.set_metric_mode(4);
metrics_right.set_metric_mode(3);
}
}

1
gtk2_ardour/wscript
View File

@ -147,6 +147,7 @@ gtk2_ardour_sources = [
'mixer_ui.cc',
'meterbridge.cc',
'meter_strip.cc',
'meter_patterns.cc',
'monitor_section.cc',
'mono_panner.cc',
'mono_panner_editor.cc',