TextLayout: Fix hang when shaping text containing a zero-width glyph

szarvas · szarvas · commit f257fef7f7f5 · 2025-11-10T22:14:35.000Z
diff --git a/modules/juce_graphics/fonts/juce_TextLayout.cpp b/modules/juce_graphics/fonts/juce_TextLayout.cpp
@@ -342,7 +342,7 @@ void TextLayout::createLayoutWithBalancedLineLengths (const AttributedString& te
             for (const auto& line : lines)
                 for (const auto& run : line->runs)
                     for (const auto& glyph : run->glyphs)
-                        advanceWidth = jmin (*advanceWidth, glyph.width);
+                        advanceWidth = jmin (*advanceWidth, jmax (glyph.width, 1.0f));
         }
 
         maxWidth -= *advanceWidth;

Original file line number	Diff line number	Diff line change
`@@ -342,7 +342,7 @@ void TextLayout::createLayoutWithBalancedLineLengths (const AttributedString& te`
`342`	`342`	`for (const auto& line : lines)`
`343`	`343`	`for (const auto& run : line->runs)`
`344`	`344`	`for (const auto& glyph : run->glyphs)`
`345`		`- advanceWidth = jmin (*advanceWidth, glyph.width);`
	`345`	`+ advanceWidth = jmin (*advanceWidth, jmax (glyph.width, 1.0f));`
`346`	`346`	`}`
`347`	`347`
`348`	`348`	`maxWidth -= *advanceWidth;`