Allow changes to colours of FFmpeg subtitles (#795).

[dcpomatic.git] / src / wx / rgba_colour_picker.cc

diff --git a/src/wx/rgba_colour_picker.cc b/src/wx/rgba_colour_picker.cc
new file mode 100644 (file)
index 0000000..7e8c84b
--- /dev/null
+++ b/src/wx/rgba_colour_picker.cc
@@ -0,0 +1,45 @@
+/*
+    Copyright (C) 2016 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 "rgba_colour_picker.h"
+#include "wx_util.h"
+#include <wx/clrpicker.h>
+
+RGBAColourPicker::RGBAColourPicker (wxWindow* parent, RGBA colour)
+       : wxPanel (parent, wxID_ANY)
+{
+       wxBoxSizer* sizer = new wxBoxSizer (wxHORIZONTAL);
+
+       _picker = new wxColourPickerCtrl (this, wxID_ANY);
+       _picker->SetColour (wxColour (colour.r, colour.g, colour.b));
+       sizer->Add (_picker, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_X_GAP);
+       sizer->Add (new wxStaticText (this, wxID_ANY, _("Alpha   0")), 0, wxALIGN_CENTRE_VERTICAL);
+       _alpha = new wxSlider (this, wxID_ANY, colour.a, 0, 255);
+       sizer->Add (_alpha, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_X_GAP);
+       sizer->Add (new wxStaticText (this, wxID_ANY, _("255")), 0, wxALIGN_CENTRE_VERTICAL);
+
+       SetSizer (sizer);
+}
+
+RGBA
+RGBAColourPicker::colour () const
+{
+       wxColour const c = _picker->GetColour ();
+       return RGBA (c.Red(), c.Green(), c.Blue(), _alpha->GetValue());
+}