+/*
+ Copyright (C) 2013-2021 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/>.
+
+*/
+
+
+#ifndef DCPOMATIC_CROP_H
+#define DCPOMATIC_CROP_H
+
+
+#include <dcp/types.h>
+#include <memory>
+
+
+namespace cxml {
+ class Node;
+}
+
+
+/** @struct Crop
+ * @brief A description of the crop of an image or video.
+ */
+struct Crop
+{
+ Crop() {}
+ Crop(int l, int r, int t, int b) : left (l), right (r), top (t), bottom (b) {}
+ explicit Crop(std::shared_ptr<cxml::Node>);
+
+ /** Number of pixels to remove from the left-hand side */
+ int left = 0;
+ /** Number of pixels to remove from the right-hand side */
+ int right = 0;
+ /** Number of pixels to remove from the top */
+ int top = 0;
+ /** Number of pixels to remove from the bottom */
+ int bottom = 0;
+
+ dcp::Size apply(dcp::Size s, int minimum = 4) const {
+ s.width -= left + right;
+ s.height -= top + bottom;
+
+ if (s.width < minimum) {
+ s.width = minimum;
+ }
+
+ if (s.height < minimum) {
+ s.height = minimum;
+ }
+
+ return s;
+ }
+
+ void as_xml (xmlpp::Node *) const;
+};
+
+
+extern bool operator==(Crop const & a, Crop const & b);
+extern bool operator!=(Crop const & a, Crop const & b);
+
+
+#endif