miguel.horta/openttd-cmclient
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Change: Support side-by-side fallback FontCaches instead of hierarchical. (#13303)

Browse Source 
The text layouter system can now support using different fonts for different glyphs, including mixing scalable and sprite glyphs.
This commit is contained in:
Peter Nelson
2025-12-06 10:47:12 +00:00
committed by dP
parent a616855649
commit 5be16a658a
32 changed files with 784 additions and 481 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/strings_func.h
View File

@@ -10,6 +10,7 @@
#ifndef STRINGS_FUNC_H
#define STRINGS_FUNC_H
#include "fontcache.h"
#include "strings_type.h"
#include "string_type.h"
#include "gfx_type.h"
@@ -158,9 +159,33 @@ EncodedString GetEncodedString(StringID string, const Args&... args)
*/
class MissingGlyphSearcher {
public:
FontSizes fontsizes; ///< Font sizes to search for.
MissingGlyphSearcher(FontSizes fontsizes) : fontsizes(fontsizes) {}
/** Make sure everything gets destructed right. */
virtual ~MissingGlyphSearcher() = default;
/**
* Test if any glyphs are missing.
* @return Font sizes which have missing glyphs.
*/
FontSizes FindMissingGlyphs();
virtual FontLoadReason GetLoadReason() = 0;
/**
* Get set of glyphs required for the current language.
* @param fontsizes Font sizes to test.
* @return Set of required glyphs.
**/
virtual std::set<char32_t> GetRequiredGlyphs(FontSizes fontsizes) = 0;
};
class BaseStringMissingGlyphSearcher : public MissingGlyphSearcher {
public:
BaseStringMissingGlyphSearcher(FontSizes fontsizes) : MissingGlyphSearcher(fontsizes) {}
/**
* Get the next string to search through.
* @return The next string or nullopt if there is none.
@@ -178,23 +203,11 @@ public:
*/
virtual void Reset() = 0;
/**
* Whether to search for a monospace font or not.
* @return True if searching for monospace.
*/
virtual bool Monospace() = 0;
FontLoadReason GetLoadReason() override { return FontLoadReason::LanguageFallback; }
/**
* Set the right font names.
* @param settings The settings to modify.
* @param font_name The new font name.
* @param os_data Opaque pointer to OS-specific data.
*/
virtual void SetFontNames(struct FontCacheSettings *settings, std::string_view font_name, const void *os_data = nullptr) = 0;
bool FindMissingGlyphs();
std::set<char32_t> GetRequiredGlyphs(FontSizes fontsizes) override;
};
void CheckForMissingGlyphs(MissingGlyphSearcher *search = nullptr);
void CheckForMissingGlyphs(MissingGlyphSearcher *searcher = nullptr);
#endif /* STRINGS_FUNC_H */