From 9bc0dd74ea60701b62302cc6284b5306af95f17d Mon Sep 17 00:00:00 2001
From: Elias Batek <desisma@heidel.beer>
Date: Wed, 24 Apr 2024 02:34:28 +0200
Subject: [PATCH] Add docs, comments and Pixmap.clone()

---
 core.d        |  3 +++
 pixmappaint.d | 13 +++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/core.d b/core.d
index f971c60..9998e0f 100644
--- a/core.d
+++ b/core.d
@@ -208,6 +208,9 @@ version(Posix) {
 		calc(a.y, b.y).typeCast!int,
 	);
 	---
+
+	History:
+		Added April 24, 2024
  +/
 auto ref T typeCast(T, S)(auto ref S v) {
 	return cast(T) v;
diff --git a/pixmappaint.d b/pixmappaint.d
index 1d91e2c..bcc040b 100644
--- a/pixmappaint.d
+++ b/pixmappaint.d
@@ -60,6 +60,16 @@ struct Pixmap {
 		this.width = width;
 	}
 
+	/++
+		Creates a $(I deep clone) of the Pixmap
+	 +/
+	Pixmap clone() const {
+		auto c = Pixmap();
+		c.width = this.width;
+		c.data = this.data.dup;
+		return c;
+	}
+
 	// undocumented: really shouldn’t be used.
 	// carries the risks of `length` and `width` getting out of sync accidentally.
 	deprecated("Use `size` instead.")
@@ -234,6 +244,9 @@ struct Pixmap {
 	void drawLine(Pixmap target, Point a, Point b, Pixel color) {
 		import std.math : round, sqrt;
 
+		// TODO: line width
+		// TODO: anti-aliasing (looks awful without it!)
+
 		float deltaX = b.x - a.x;
 		float deltaY = b.y - a.y;
 		int steps = sqrt(deltaX * deltaX + deltaY * deltaY).typeCast!int;