# HG changeset patch
# User Michael Lutz <michi@icosahedron.de>
# Date 2021-01-06 21:56:44
# Node ID 0ea535e59ac7887ea0bbba8c22fc20995a9bf111
# Parent  b17cade5850e433068669c615dce267742f43975

Codechange: Make OS font handle of the FontCache read-only.

diff --git a/src/fontcache.cpp b/src/fontcache.cpp
--- a/src/fontcache.cpp
+++ b/src/fontcache.cpp
@@ -756,7 +756,7 @@ public:
 	virtual GlyphID MapCharToGlyph(WChar key);
 	virtual const char *GetFontName() { return WIDE_TO_MB(this->logfont.lfFaceName); }
 	virtual bool IsBuiltInFont() { return false; }
-	virtual void *GetOSHandle() { return &this->logfont; }
+	virtual const void *GetOSHandle() { return &this->logfont; }
 };
 
 
diff --git a/src/fontcache.h b/src/fontcache.h
--- a/src/fontcache.h
+++ b/src/fontcache.h
@@ -127,7 +127,7 @@ public:
 	 * Get the native OS font handle, if there is one.
 	 * @return Opaque OS font handle.
 	 */
-	virtual void *GetOSHandle()
+	virtual const void *GetOSHandle()
 	{
 		return nullptr;
 	}
diff --git a/src/os/windows/string_uniscribe.cpp b/src/os/windows/string_uniscribe.cpp
--- a/src/os/windows/string_uniscribe.cpp
+++ b/src/os/windows/string_uniscribe.cpp
@@ -144,7 +144,7 @@ void UniscribeResetScriptCache(FontSize 
 /** Load the matching native Windows font. */
 static HFONT HFontFromFont(Font *font)
 {
-	if (font->fc->GetOSHandle() != nullptr) return CreateFontIndirect((PLOGFONT)font->fc->GetOSHandle());
+	if (font->fc->GetOSHandle() != nullptr) return CreateFontIndirect((const PLOGFONT)font->fc->GetOSHandle());
 
 	LOGFONT logfont;
 	ZeroMemory(&logfont, sizeof(LOGFONT));