commit ca60046dcfc30ac6d1cb22ce96b70ec99740843c
Author: Koji Yokota <[email protected]>
Date: Fri Jul 24 23:58:04 2026 +0900
Let math preview background partially reflect color customization
Set math preview background to transparent if the alpha value of
math background is smaller than 128 (50%), otherwise it is set to
its solid color.
---
src/graphics/PreviewLoader.cpp | 5 ++++-
src/graphics/PreviewLoader.h | 2 +-
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/graphics/PreviewLoader.cpp b/src/graphics/PreviewLoader.cpp
index 5156922494..def0dcc33a 100644
--- a/src/graphics/PreviewLoader.cpp
+++ b/src/graphics/PreviewLoader.cpp
@@ -16,6 +16,7 @@
#include "Buffer.h"
#include "BufferParams.h"
+#include "ColorSet.h"
#include "Converter.h"
#include "Encoding.h"
#include "LyXRC.h"
@@ -681,7 +682,9 @@ void PreviewLoader::Impl::startLoading(bool wait)
ColorCode const fg = PreviewLoader::foregroundColor();
cs << " --fg " << theApp()->hexName(fg);
ColorCode const bg = PreviewLoader::backgroundColor();
- if (bg == Color_transparent)
+ ARGBColor const bga = argbFromHexName(
+ lcolor.get32bitHexName(bg,
theApp()->isInDarkMode()));
+ if (bga.a < 128)
cs << " --bg \"transparent\"";
else
cs << " --bg " << theApp()->hexName(bg);
diff --git a/src/graphics/PreviewLoader.h b/src/graphics/PreviewLoader.h
index 305730dc0a..cc1d94efcd 100644
--- a/src/graphics/PreviewLoader.h
+++ b/src/graphics/PreviewLoader.h
@@ -90,7 +90,7 @@ public:
/// Which buffer owns this loader.
Buffer const & buffer() const;
/// The background color used
- static ColorCode backgroundColor() { return Color_transparent; }
+ static ColorCode backgroundColor() { return Color_mathbg; }
/// The foreground color used
static ColorCode foregroundColor() { return Color_preview; }
--
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