*/
+#include <algorithm>
#include <math.h>
+#include <iomanip>
#include <iostream>
+#include <sstream>
#ifdef COMPILER_MSVC
#include <float.h>
#include "ardour_ui.h"
#include "gui_thread.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
_analysis_height = 256.0;
_analysis_area->set_size_request(_analysis_width, _analysis_height);
+ _analysis_area->add_events(Gdk::POINTER_MOTION_MASK | Gdk::LEAVE_NOTIFY_MASK | Gdk::BUTTON_PRESS_MASK);
+
_analysis_area->signal_expose_event().connect( sigc::mem_fun (*this, &PluginEqGui::expose_analysis_area));
_analysis_area->signal_size_allocate().connect( sigc::mem_fun (*this, &PluginEqGui::resize_analysis_area));
+ _analysis_area->signal_motion_notify_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mouseover));
+ _analysis_area->signal_leave_notify_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mouseexit));
+ _analysis_area->signal_button_press_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mousedown));
// dB selection
dBScaleModel = Gtk::ListStore::create(dBColumns);
_phase_button->set_active(true);
_phase_button->signal_toggled().connect( sigc::mem_fun(*this, &PluginEqGui::redraw_scales));
+ // Freq/dB info for mouse over
+ _pointer_info = new Gtk::Label ("", 1, 0.5);
+ _pointer_info->set_size_request(_analysis_width / 4, -1);
+ _pointer_info->set_name("PluginAnalysisInfoLabel");
+
// populate table
- attach( *manage(_analysis_area), 1, 3, 1, 2);
+ attach( *manage(_analysis_area), 1, 4, 1, 2);
attach( *manage(dBSelectBin), 1, 2, 2, 3, Gtk::SHRINK, Gtk::SHRINK);
- attach( *manage(_phase_button), 2, 3, 2, 3, Gtk::SHRINK, Gtk::SHRINK);
+ attach( *manage(_phase_button), 2, 3, 2, 3, Gtk::SHRINK, Gtk::SHRINK);
+ attach( *manage(_pointer_info), 3, 4, 2, 3, Gtk::FILL, Gtk::SHRINK);
}
PluginEqGui::~PluginEqGui()
cairo_surface_destroy (_analysis_scale_surface);
_analysis_scale_surface = 0;
}
+
+ _pointer_info->set_size_request(_analysis_width / 4, -1);
}
bool
ARDOUR_UI::instance()->drop_process_buffers ();
}
+void
+PluginEqGui::update_pointer_info(float x, float y)
+{
+ const int freq = std::max(1, (int) roundf((powf(10, x / _analysis_width * _log_max) - 1) * _samplerate / 2.0 / _log_coeff));
+ const float dB = _max_dB - y / _analysis_height * ( _max_dB - _min_dB );
+ std::stringstream ss;
+ ss << std::fixed;
+ if (freq >= 10000) {
+ ss << std::setprecision (1) << freq / 1000.0 << "kHz";
+ } else if (freq >= 1000) {
+ ss << std::setprecision (2) << freq / 1000.0 << "kHz";
+ } else {
+ ss << std::setprecision (0) << freq << "Hz";
+ }
+ ss << " " << std::setw(5) << std::setprecision (1) << std::showpos << dB;
+ ss << std::setw(0) << "dB";
+ _pointer_info->set_text(ss.str());
+}
+
+bool
+PluginEqGui::analysis_area_mouseover(GdkEventMotion *event)
+{
+ update_pointer_info(event->x, event->y);
+ return true;
+}
+
+bool
+PluginEqGui::analysis_area_mouseexit(GdkEventCrossing *)
+{
+ _pointer_info->set_text("");
+ return true;
+}
+
+bool
+PluginEqGui::analysis_area_mousedown(GdkEventButton *event)
+{
+ update_pointer_info(event->x, event->y);
+ return true;
+}
+
+
bool
PluginEqGui::expose_analysis_area(GdkEventExpose *)
{
float height = w->get_height();
cairo_set_source_rgb(cr, 0.0, 1.0, 0.0);
- cairo_set_line_width (cr, 2.5);
+ cairo_set_line_width (cr, 1.5);
for (uint32_t i = 0; i < _signal_input_fft->bins()-1; i++) {
// x coordinate of bin i
x = log10f(1.0 + (float)i / (float)_signal_input_fft->bins() * _log_coeff) / _log_max;
x *= _analysis_width;
- float power_out = power_to_dB(_signal_output_fft->power_at_bin(i));
- float power_in = power_to_dB(_signal_input_fft ->power_at_bin(i));
- float power = power_out - power_in;
+ float power_out = _signal_output_fft->power_at_bin (i) + 1e-30;
+ float power_in = _signal_input_fft ->power_at_bin (i) + 1e-30;
+ float power = power_to_dB (power_out / power_in);
- if (ISINF(power)) {
- if (power < 0) {
- power = _min_dB - 1.0;
- } else {
- power = _max_dB - 1.0;
- }
- } else if (ISNAN(power)) {
- power = _min_dB - 1.0;
- }
+ assert (!ISINF(power));
+ assert (!ISNAN(power));
float yCoeff = ( power - _min_dB) / (_max_dB - _min_dB);