From baf88f4b7b0410af7580f1eae9a06f9405c1ae65 Mon Sep 17 00:00:00 2001
From: Trevor Slocum <trevor@rocket9labs.com>
Date: Fri, 15 Nov 2024 21:01:59 -0800
Subject: [PATCH] Fix centering text vertically

---
 README.md            | 2 +-
 messeji/textfield.go | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 3aa34e3..9a4ab8e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # etk - Ebitengine Tool Kit
-[![GoDoc](https://code.rocket9labs.com/tslocum/godoc-static/raw/branch/master/badge.svg)](https://docs.rocket9labs.com/code.rocket9labs.com/tslocum/etk)
+[![GoDoc](https://code.rocket9labs.com/tslocum/godoc-static/raw/branch/main/badge.svg)](https://docs.rocket9labs.com/code.rocket9labs.com/tslocum/etk)
 [![Donate via LiberaPay](https://img.shields.io/liberapay/receives/rocket9labs.com.svg?logo=liberapay)](https://liberapay.com/rocket9labs.com)
 
 [Ebitengine](https://github.com/hajimehoshi/ebiten) tool kit for creating graphical user interfaces
diff --git a/messeji/textfield.go b/messeji/textfield.go
index 4dc20f4..0dbdaa5 100644
--- a/messeji/textfield.go
+++ b/messeji/textfield.go
@@ -951,6 +951,7 @@ func (f *TextField) drawContent() (overflow bool) {
 			lastVisible = len(f.bufferWrapped) - 1
 		}
 	}
+	numVisible := lastVisible - firstVisible
 	// Calculate buffer size (width for single-line fields or height for multi-line fields).
 	if f.singleLine {
 		w, _ := text.Measure(f.bufferWrapped[firstVisible], f.face, float64(f.lineHeight))
@@ -1003,9 +1004,9 @@ func (f *TextField) drawContent() (overflow bool) {
 		// Align vertically.
 		totalHeight := f.lineOffset + lineHeight*(lines)
 		if f.vertical == AlignCenter && totalHeight <= h {
-			lineY = fieldHeight/2 - totalHeight/2 + f.lineOffset + (lineHeight * (i))
+			lineY = fieldHeight/2 - totalHeight/2 + f.lineOffset + (lineHeight * (i)) - 2
 		} else if f.vertical == AlignEnd && totalHeight <= h {
-			lineY = (fieldHeight - lineHeight*i) - f.padding
+			lineY = fieldHeight - lineHeight*(numVisible+1-i) - f.padding
 		}
 
 		// Draw line.