Codechange: Use unique_ptr for text layout font mapping.

This must stay a pointer as the value passed to other structures.
This commit is contained in:
Peter Nelson 2023-05-18 08:36:54 +01:00 committed by PeterN
parent c38df2d589
commit bf8f24f9a8
2 changed files with 5 additions and 8 deletions

View File

@ -297,10 +297,10 @@ ptrdiff_t Layouter::GetCharAtPosition(int x) const
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, TextColour colour)
*/
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 */

View File

@ -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);