From a7b22919ae379c96001c8dcdb9f73c36d298f967 Mon Sep 17 00:00:00 2001
From: Misa <infoteddy@infoteddy.info>
Date: Tue, 9 Jan 2024 19:22:40 -0800
Subject: [PATCH] Modulate text sprite RGB instead of using alpha

Using actual alpha is prone to bugs with doubling alpha, etc. if there
are multiple sprites on top of each other.
---
 desktop_version/src/Graphics.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/desktop_version/src/Graphics.cpp b/desktop_version/src/Graphics.cpp
index 814af1d5..0ed1c4f2 100644
--- a/desktop_version/src/Graphics.cpp
+++ b/desktop_version/src/Graphics.cpp
@@ -1048,7 +1048,9 @@ void Graphics::drawgui(void)
             TextboxSprite* sprite = &textboxes[i].sprites[index];
             int y = sprite->y + yp;
             SDL_Color color = getcol(sprite->col);
-            color.a = opacity * 255;
+            color.r *= opacity;
+            color.g *= opacity;
+            color.b *= opacity;
 
             if (flipmode)
             {