cpp/openttd-patchpack/source Changeset - r27385:dea7924e367a

Changeset - r27385:dea7924e367a

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Peter Nelson - 17 months ago 2023-05-18 07:36:54
peter1138@openttd.org

Codechange: Use unique_ptr for text layout font mapping.

This must stay a pointer as the value passed to other structures.

2 files changed with 5 insertions and 8 deletions:

src/gfx_layout.cpp

src/gfx_layout.h

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src/gfx_layout.cpp

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@@ @@ -297,10 +297,10 @@ ptrdiff_t Layouter::GetCharAtPosition(in @@
 Font *Layouter::GetFont(FontSize size, TextColour colour)
+{
 	FontColourMap::iterator it = fonts[size].find(colour);
 	if (it != fonts[size].end()) return it->second;
+	if (it != fonts[size].end()) return it->second.get();
 	fonts[size][colour] = new Font(size, colour);
 	return fonts[size][colour];
 	fonts[size][colour] = std::make_unique<Font>(size, colour);
 	return fonts[size][colour].get();
+}
 /**
@@ @@ -309,9 +309,6 @@ Font *Layouter::GetFont(FontSize size, T @@
  */
 void Layouter::ResetFontCache(FontSize size)
+{
 	for (auto &pair : fonts[size]) {
 		delete pair.second;
+	}
 	fonts[size].clear();
 	/* We must reset the linecache since it references the just freed fonts */

src/gfx_layout.h

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@@ @@ -80,7 +80,7 @@ public: @@
 	Font(FontSize size, TextColour colour);
 };
 /** Mapping from index to font. */
+/** Mapping from index to font. The pointer is owned by FontColourMap. */
 using FontMap = std::map<int, Font *>;
 /**
@@ @@ -169,7 +169,7 @@ private: @@
 	static LineCacheItem &GetCachedParagraphLayout(std::string_view str, const FontState &state);
-	using FontColourMap = std::map<TextColour, Font *>;
+	using FontColourMap = std::map<TextColour, std::unique_ptr<Font>>;
 	static FontColourMap fonts[FS_END];
 public:
 	static Font *GetFont(FontSize size, TextColour colour);

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