Add video waveform viewer.

1 files changed, 94 insertions, 0 deletions

diff --git a/src/wx/video_waveform_dialog.cc b/src/wx/video_waveform_dialog.cc
new file mode 100644
index 000000000..976c4e2ae
--- /dev/null
+++ b/src/wx/video_waveform_dialog.cc
@@ -0,0 +1,94 @@
+/*
+    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+
+    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 "video_waveform_dialog.h"
+#include "video_waveform_plot.h"
+#include "film_viewer.h"
+#include "wx_util.h"
+#include <boost/bind.hpp>
+
+using std::cout;
+using boost::bind;
+
+VideoWaveformDialog::VideoWaveformDialog (wxWindow* parent, FilmViewer* viewer)
+	: wxDialog (parent, wxID_ANY, _("Video Waveform"), wxDefaultPosition, wxSize (640, 512), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxFULL_REPAINT_ON_RESIZE)
+	, _viewer (viewer)
+{
+	wxBoxSizer* overall_sizer = new wxBoxSizer (wxVERTICAL);
+
+	wxBoxSizer* controls = new wxBoxSizer (wxHORIZONTAL);
+
+	_component = new wxChoice (this, wxID_ANY);
+	_component->Append (wxT ("X"));
+	_component->Append (wxT ("Y"));
+	_component->Append (wxT ("Z"));
+	add_label_to_sizer (controls, this, _("Component"), true);
+	controls->Add (_component, 1, wxALL, DCPOMATIC_SIZER_X_GAP);
+
+	add_label_to_sizer (controls, this, _("Contrast"), true);
+	_contrast = new wxSlider (this, wxID_ANY, 0, 0, 256);
+	controls->Add (_contrast, 1, wxALL, DCPOMATIC_SIZER_X_GAP);
+
+	overall_sizer->Add (controls, 0, wxALL | wxEXPAND, DCPOMATIC_SIZER_X_GAP);
+
+	_plot = new VideoWaveformPlot (this, _viewer);
+	overall_sizer->Add (_plot, 1, wxALL | wxEXPAND, 12);
+
+#ifdef DCPOMATIC_LINUX
+	wxSizer* buttons = CreateSeparatedButtonSizer (wxCLOSE);
+	if (buttons) {
+		overall_sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
+	}
+#endif
+
+	SetSizer (overall_sizer);
+	overall_sizer->Layout ();
+	overall_sizer->SetSizeHints (this);
+
+	Bind (wxEVT_SHOW, bind (&VideoWaveformDialog::shown, this, _1));
+	_component->Bind  (wxEVT_COMMAND_CHOICE_SELECTED, bind (&VideoWaveformDialog::component_changed, this));
+	_contrast->Bind (wxEVT_SCROLL_THUMBTRACK, bind (&VideoWaveformDialog::contrast_changed, this));
+
+	_component->SetSelection (0);
+	_contrast->SetValue (32);
+
+	component_changed ();
+	contrast_changed ();
+}
+
+void
+VideoWaveformDialog::shown (wxShowEvent& ev)
+{
+	_plot->set_enabled (ev.IsShown ());
+	if (ev.IsShown ()) {
+		_viewer->refresh ();
+	}
+}
+
+void
+VideoWaveformDialog::component_changed ()
+{
+	_plot->set_component (_component->GetCurrentSelection ());
+}
+
+void
+VideoWaveformDialog::contrast_changed ()
+{
+	_plot->set_contrast (_contrast->GetValue ());
+}