From c87d2e758408815e0d639e9071991b80f5979331 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon@leonstyhre.com>
Date: Fri, 2 Aug 2024 23:36:06 +0200
Subject: [PATCH] RTL text segments are now flagged as such

---
 es-core/src/resources/Font.cpp | 3 +++
 es-core/src/resources/Font.h   | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/es-core/src/resources/Font.cpp b/es-core/src/resources/Font.cpp
index 897010a86..e325aa4a6 100644
--- a/es-core/src/resources/Font.cpp
+++ b/es-core/src/resources/Font.cpp
@@ -834,6 +834,9 @@ std::vector<Font::ShapeSegment> Font::shapeText(const std::string& text)
             hb_buffer_guess_segment_properties(mBufHB);
             hb_shape(segment.fontHB, mBufHB, nullptr, 0);
 
+            if (hb_buffer_get_direction(mBufHB) == HB_DIRECTION_RTL)
+                segment.rightToLeft = true;
+
             glyphInfo = hb_buffer_get_glyph_infos(mBufHB, &glyphCount);
             length = glyphCount;
         }
diff --git a/es-core/src/resources/Font.h b/es-core/src/resources/Font.h
index 8f39e8b54..6bdfe2f56 100644
--- a/es-core/src/resources/Font.h
+++ b/es-core/src/resources/Font.h
@@ -194,6 +194,7 @@ private:
         float glyphsWidth; // TEMPORARY
         hb_font_t* fontHB;
         bool doShape;
+        bool rightToLeft;
         std::string substring;
         std::vector<unsigned int> glyphIndexes;
 
@@ -203,6 +204,7 @@ private:
             , glyphsWidth {0} // TEMPORARY
             , fontHB {nullptr}
             , doShape {false}
+            , rightToLeft {false}
         {
         }
     };