lineage_patches_unified/patches_platform/frameworks_base/0018-Paint-Enable-subpixel-text-positioning-by-default.patch

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From c843d3ca03875d6b9d0bf9add9b59fbdcb1d8a42 Mon Sep 17 00:00:00 2001
From: Danny Lin <danny@kdrag0n.dev>
Date: Tue, 5 Oct 2021 21:01:50 -0700
Subject: [PATCH 18/21] Paint: Enable subpixel text positioning by default
On desktop Linux, subpixel text positioning is necessary to avoid
kerning issues, and Android is no different. Even though most phone
displays have relatively high DPIs, the lack of subpixel text
positioning is only unnoticeable on high-end devices such as the Pixel 4
XL (1440x3040 @ 6.3 in => 537 dpi).
For example, on the Pixel 5 (1080 x 2340 @ 6.0 in => 432 dpi),
horizontally-scrolling labels in QS tiles can be seen "jittering"
slightly upon close observation. This was tested with the Google Sans
font on Google's stock OS. At this lower DPI, there is still a need for
subpixel text positioning (at least in some cases).
Enable subpixel text positioning by default to fix occasional kerning
issues and jittering when text is in motion.
Change-Id: I8d71e5848a745c5a2d457a28c68458920928ee09
---
graphics/java/android/graphics/Paint.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/graphics/java/android/graphics/Paint.java b/graphics/java/android/graphics/Paint.java
index 42e470b7f660..9c0036e5d716 100644
--- a/graphics/java/android/graphics/Paint.java
+++ b/graphics/java/android/graphics/Paint.java
@@ -252,7 +252,7 @@ public class Paint {
// These flags are always set on a new/reset paint, even if flags 0 is passed.
static final int HIDDEN_DEFAULT_PAINT_FLAGS = DEV_KERN_TEXT_FLAG | EMBEDDED_BITMAP_TEXT_FLAG
- | FILTER_BITMAP_FLAG;
+ | FILTER_BITMAP_FLAG | SUBPIXEL_TEXT_FLAG;
/**
* Font hinter option that disables font hinting.
--
2.25.1