projects/doodle: tk/geometry.d comparison

Checkpoint

author	"David Bryant <bagnose@gmail.com>"
date	Sun, 12 Jul 2009 13:23:06 +0930
parents	f0ade1b49fe7
children	9e63308b749c

comparison

equal deleted inserted replaced

-:0b7e7d43a79d
+:2f79aab4d385
 return Rectangle(min_extents(min_corner(), r.min_corner()),
 max_extents(max_corner(), r.max_corner()));
 }
 }
-/*
+// TODO make these free functions
-Rectangle moved(in Vector displacement) {
-return Rectangle(
+Rectangle moved(in Vector displacement) const {
-}
+return Rectangle(_position + displacement, _size);
-Rectangle resized(in Vector new_size) {
+}
-}
-Rectangle repositioned(in Point new_position) {
+Rectangle expanded(in Vector expand_amount) const {
-}
+return Rectangle(_position, _size + expand_amount);
-*/
+}
+Rectangle shrunk(in Vector shrink_amount) const {
+return Rectangle(_position, _size - shrink_amount);
+}
+Rectangle resized(in Vector new_size) const {
+return Rectangle(_position, new_size);
+}
+Rectangle repositioned(in Point new_position) const {
+return Rectangle(new_position, _size);
+}
+Point centre() const {
+return _position + _size / 2.0;
+}
 string toString() const {
 return std.string.format("{%s, %s}", _position, _size);
 }

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