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livetrax/gtk2_ardour/export_report.cc

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/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <pangomm/layout.h>
#include <gtkmm/label.h>
#include <gtkmm/stock.h>
#include "canvas/utils.h"
#include "canvas/colors.h"
#include "ui_config.h"
#include "export_report.h"
#include "i18n.h"
using namespace Gtk;
using namespace ARDOUR;
ExportReport::ExportReport (StatusPtr s)
: ArdourDialog (_("Export Report/Analysis"))
, status (s)
{
AnalysisResults & ar = status->result_map;
for (AnalysisResults::iterator i = ar.begin (); i != ar.end (); ++i) {
Label *l;
VBox *vb = manage (new VBox ());
vb->set_spacing (6);
l = manage (new Label (string_compose (_("File: %1"), i->first)));
vb->pack_start (*l);
ExportAnalysisPtr p = i->second;
if (i->second->have_loudness) {
/* EBU R128 loudness numerics and histogram */
int w, h;
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
Cairo::RefPtr<Cairo::ImageSurface> nums = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, 256, 128);
Cairo::RefPtr<Cairo::ImageSurface> hist = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, 540, 128);
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (nums);
cr->rectangle (0, 0, 256, 128);
cr->set_source_rgba (0, 0, 0, 1.0);
cr->fill ();
layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
layout->set_alignment (Pango::ALIGN_LEFT);
layout->set_text (_("Ebu R128"));
layout->get_pixel_size (w, h);
cr->save ();
cr->set_source_rgba (.5, .5, .5, 1.0);
cr->move_to (6, rint (64 + w * .5));
cr->rotate (M_PI / -2.0);
layout->show_in_cairo_context (cr);
cr->restore ();
cr->set_source_rgba (.7, .7, .7, 1.0);
if (p->loudness == -200 && p->loudness_range == 0) {
layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
layout->set_text (string_compose (_("not available"), std::setprecision (1), std::fixed, p->loudness));
layout->get_pixel_size (w, h);
cr->move_to (rint (128 - w * .5), rint (64 - h));
layout->show_in_cairo_context (cr);
layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
layout->set_text (_("(too short integration time)"));
layout->get_pixel_size (w, h);
cr->move_to (rint (128 - w * .5), rint (64 + h));
layout->show_in_cairo_context (cr);
} else {
int y0 = 6;
layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
layout->set_text (string_compose (_("Loudness:"), std::setprecision (1), std::fixed, p->loudness));
layout->get_pixel_size (w, h);
cr->move_to (rint (128 - w * .5), y0);
layout->show_in_cairo_context (cr);
y0 += h * 1.25;
layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
layout->set_text (string_compose (_("%1%2%3 LUFS"), std::setprecision (1), std::fixed, p->loudness));
layout->get_pixel_size (w, h);
cr->move_to (rint (128 - w * .5), y0);
layout->show_in_cairo_context (cr);
y0 += h * 1.5;
layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
layout->set_text (string_compose (_("Loudness Range:"), std::setprecision (1), std::fixed, p->loudness));
layout->get_pixel_size (w, h);
cr->move_to (rint (128 - w * .5), y0);
layout->show_in_cairo_context (cr);
y0 += h * 1.25;
layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
layout->set_text (string_compose (_("%1%2%3 LU"), std::setprecision (1), std::fixed, p->loudness_range));
layout->get_pixel_size (w, h);
cr->move_to (rint (128 - w * .5), y0);
layout->show_in_cairo_context (cr);
}
nums->flush ();
/* draw loudness histogram */
cr = Cairo::Context::create (hist);
cr->rectangle (0, 0, 540, 128);
cr->set_source_rgba (0, 0, 0, 1.0);
cr->fill ();
layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
layout->set_alignment (Pango::ALIGN_LEFT);
layout->set_text (_("LUFS"));
cr->move_to (6, 6);
cr->set_source_rgba (.9, .9, .9, 1.0);
layout->show_in_cairo_context (cr);
std::vector<double> dashes;
dashes.push_back (3.0);
dashes.push_back (5.0);
for (int g = -53; g <= -8; g += 5) {
// grid-lines. [110] -59LUFS .. [650]: -5 LUFS
layout->set_text (string_compose ("%1", g));
layout->get_pixel_size (w, h);
cr->save ();
cr->set_source_rgba (.9, .9, .9, 1.0);
cr->move_to (rint ((g + 59.0) * 10.0 - h * .5), w + 6.0);
cr->rotate (M_PI / -2.0);
layout->show_in_cairo_context (cr);
cr->restore ();
cr->save ();
cr->set_source_rgba (.3, .3, .3, 1.0);
cr->set_dash (dashes, 1.0);
cr->set_line_cap (Cairo::LINE_CAP_ROUND);
cr->move_to (rint ((g + 59.0) * 10.0) + .5, w + 8.0);
cr->line_to (rint ((g + 59.0) * 10.0) + .5, 128.0);
cr->stroke ();
cr->restore ();
}
cr->set_operator (Cairo::OPERATOR_ADD);
cr->set_source_rgba (.7, .7, .7, 1.0);
cr->set_line_width (1.0);
if (p->loudness_hist_max > 0) {
for (size_t x = 0 ; x < 510; ++x) {
cr->move_to (x - .5, 128.0);
cr->line_to (x - .5, 128.0 - 128.0 * p->loudness_hist[x] / (float) p->loudness_hist_max);
cr->stroke ();
}
}
hist->flush ();
CimgArea *nu = manage (new CimgArea (nums));
CimgArea *hi = manage (new CimgArea (hist));
HBox *hb = manage (new HBox ());
hb->set_spacing (4);
hb->pack_start (*nu);
hb->pack_start (*hi);
vb->pack_start (*hb);
}
{
/* draw waveform */
// TODO re-use Canvas::WaveView::draw_image() somehow.
const size_t peaks = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 2;
const float height_2 = 100.0;
Cairo::RefPtr<Cairo::ImageSurface> wave = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, peaks, 2 * height_2);
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (wave);
cr->rectangle (0, 0, peaks, 2 * height_2);
cr->set_source_rgba (0, 0, 0, 1.0);
cr->fill ();
cr->set_source_rgba (.7, .7, .7, 1.0);
cr->set_line_width (1.0);
for (size_t x = 0 ; x < peaks; ++x) {
cr->move_to (x - .5, height_2 - height_2 * p->peaks[x].max);
cr->line_to (x - .5, height_2 - height_2 * p->peaks[x].min);
}
cr->stroke ();
cr->set_source_rgba (.3, .3, .3, 0.7);
cr->move_to (0, height_2 - .5);
cr->line_to (peaks, height_2 - .5);
cr->stroke ();
wave->flush ();
CimgArea *wv = manage (new CimgArea (wave));
vb->pack_start (*wv);
}
{
const size_t swh = sizeof (p->spectrum) / sizeof (float);
const size_t height = sizeof (p->spectrum[0]) / sizeof (float);
const size_t width = swh / height;
Cairo::RefPtr<Cairo::ImageSurface> spec = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, width, height);
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (spec);
cr->rectangle (0, 0, width, height);
cr->set_source_rgba (0, 0, 0, 1.0);
cr->fill ();
for (size_t x = 0 ; x < width; ++x) {
for (size_t y = 0 ; y < height; ++y) {
const float pk = p->spectrum[x][y];
ArdourCanvas::Color c = ArdourCanvas::hsva_to_color (252 - 260 * pk, .9, .3 + pk * .4);
ArdourCanvas::set_source_rgba (cr, c);
cr->rectangle (x - .5, y - .5, 1, 1);
cr->fill ();
}
}
spec->flush ();
CimgArea *sp = manage (new CimgArea (spec));
vb->pack_start (*sp);
}
// TODO ellipsize tab-text
pages.pages ().push_back (Notebook_Helpers::TabElem (*vb, Glib::path_get_basename (i->first)));
}
pages.set_show_tabs (true);
pages.show_all ();
pages.set_name ("ExportReportNotebook");
pages.set_current_page (0);
get_vbox ()->set_spacing (12);
get_vbox ()->pack_start (pages);
add_button (Stock::CLOSE, RESPONSE_ACCEPT);
set_default_response (RESPONSE_ACCEPT);
show_all ();
//pages.signal_switch_page ().connect (sigc::mem_fun (*this, &ExportReport::handle_page_change));
}
int
ExportReport::run ()
{
return ArdourDialog::run ();
}
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