Primitive auto-crop (#1477).

1 files changed, 76 insertions, 0 deletions

diff --git a/src/wx/auto_crop_dialog.cc b/src/wx/auto_crop_dialog.cc
new file mode 100644
index 000000000..bfc08beb3
--- /dev/null
+++ b/src/wx/auto_crop_dialog.cc
@@ -0,0 +1,76 @@
+/*
+    Copyright (C) 2021 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "auto_crop_dialog.h"
+#include "dcpomatic_spin_ctrl.h"
+#include "wx_util.h"
+#include "lib/config.h"
+#include "lib/types.h"
+
+
+AutoCropDialog::AutoCropDialog (wxWindow* parent, Crop crop)
+	: TableDialog (parent, _("Auto crop"), 2, 1, true)
+{
+	add (_("Left"), true);
+	_left = add(new SpinCtrl(this, DCPOMATIC_SPIN_CTRL_WIDTH));
+	add (_("Right"), true);
+	_right = add(new SpinCtrl(this, DCPOMATIC_SPIN_CTRL_WIDTH));
+	add (_("Top"), true);
+	_top = add(new SpinCtrl(this, DCPOMATIC_SPIN_CTRL_WIDTH));
+	add (_("Bottom"), true);
+	_bottom = add(new SpinCtrl(this, DCPOMATIC_SPIN_CTRL_WIDTH));
+	add (_("Threshold"), true);
+	_threshold = add(new SpinCtrl(this, DCPOMATIC_SPIN_CTRL_WIDTH));
+
+	_left->SetRange(0, 4096);
+	_right->SetRange(0, 4096);
+	_top->SetRange(0, 4096);
+	_bottom->SetRange(0, 4096);
+
+	set (crop);
+	_threshold->SetValue (std::round(Config::instance()->auto_crop_threshold() * 100));
+
+	layout ();
+
+	_left->Bind (wxEVT_SPINCTRL, [this](wxSpinEvent&) { Changed(get()); });
+	_right->Bind (wxEVT_SPINCTRL, [this](wxSpinEvent&) { Changed(get()); });
+	_top->Bind (wxEVT_SPINCTRL, [this](wxSpinEvent&) { Changed(get()); });
+	_bottom->Bind (wxEVT_SPINCTRL, [this](wxSpinEvent&) { Changed(get()); });
+	_threshold->Bind (wxEVT_SPINCTRL, [](wxSpinEvent& ev) { Config::instance()->set_auto_crop_threshold(ev.GetPosition() / 100.0); });
+}
+
+
+Crop
+AutoCropDialog::get () const
+{
+	return Crop(_left->GetValue(), _right->GetValue(), _top->GetValue(), _bottom->GetValue());
+}
+
+
+void
+AutoCropDialog::set (Crop crop)
+{
+	_left->SetValue (crop.left);
+	_right->SetValue (crop.right);
+	_top->SetValue (crop.top);
+	_bottom->SetValue (crop.bottom);
+}
+