From 0de6ae8175e44c5f3f2407161c786a4d3c6c6f7a Mon Sep 17 00:00:00 2001
From: anon <anon@anon.anon>
Date: Fri, 10 Jan 2025 13:17:03 +0100
Subject: [PATCH] +absolute moving functions

---
 dyrect.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/dyrect.h b/dyrect.h
index 7076980..332e8ee 100644
--- a/dyrect.h
+++ b/dyrect.h
@@ -18,6 +18,7 @@
 
 // TODO: further macro hell x, y, width and height so they can be user overwritten too
 // TODO: theres a logical inconsistency between ride-hang and rock-paper; either justify it or normalize it
+// TODO: absolute sizing functions
 
 /* Dyrect can use an arbitrary C style namespace,
  *  or use the prefix `dr_` if the following feature macro is requested.
@@ -85,6 +86,8 @@ static inline rect_t DYRECT_PREFIX(get_unit_rect)(void);
 static inline rect_t DYRECT_PREFIX(scaley)(rect_t a, float f);
 static inline rect_t DYRECT_PREFIX(scalex)(rect_t a, float f);
 static inline rect_t DYRECT_PREFIX(scale)(rect_t a, float f);
+static inline rect_t DYRECT_PREFIX(shift)(rect_t source, int n);
+static inline rect_t DYRECT_PREFIX(slip)(rect_t source, int n);
 static inline rect_t DYRECT_PREFIX(balance)(rect_t dest, rect_t source);
 static inline rect_t DYRECT_PREFIX(buoyance)(rect_t dest, rect_t source);
 static inline rect_t DYRECT_PREFIX(center)(rect_t dest, rect_t source);
@@ -183,6 +186,40 @@ rect_t DYRECT_PREFIX(scale)(rect_t a, float f) {
     };
 }
 
+/* Move horizontally by an absolute number of units.
+ *
+ *   +-+  __\  +-+
+ *   +-+    /  +-+
+ *
+ */
+static inline
+rect_t DYRECT_PREFIX(shift)(rect_t source, int n) {
+    return (rect_t) {
+        .x = source.x + n,
+        .y = source.y,
+        .width  = source.width,
+        .height = source.height,
+    };
+}
+
+/* Move vertically by an absolute number of units.
+ *
+ *   +-+
+ *   +-+
+ *    V
+ *   +-+
+ *   +-+
+ */
+static inline
+rect_t DYRECT_PREFIX(slip)(rect_t source, int n) {
+    return (rect_t) {
+        .x = source.x,
+        .y = source.y + n,
+        .width  = source.width,
+        .height = source.height,
+    };
+}
+
 /* Align to the middle horizontally
  *
  *   +---+---+---+