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Codechange: Don't pre-fill font metrics when loading fonts. (#14436)

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Each font cache implementation sets its own metrics based on the loaded font, so there is no need to pre-fill with (unscaled, invalid) default metrics.
This commit is contained in:
Peter Nelson
2025-07-13 23:38:31 +01:00
committed by GitHub
parent 3c4fb21a5e
commit bf6d0c4934
2 changed files with 14 additions and 9 deletions
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12
src/fontcache.cpp
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@@ -22,9 +22,10 @@
#include "safeguards.h"
/** Default heights for the different sizes of fonts. */
static const int _default_font_height[FS_END] = {10, 6, 18, 10};
static const int _default_font_ascender[FS_END] = { 8, 5, 15, 8};
/** Default unscaled heights for the different sizes of fonts. */
/* static */ const int FontCache::DEFAULT_FONT_HEIGHT[FS_END] = {10, 6, 18, 10};
/** Default unscaled ascenders for the different sizes of fonts. */
/* static */ const int FontCache::DEFAULT_FONT_ASCENDER[FS_END] = {8, 5, 15, 8};
FontCacheSettings _fcsettings;
@@ -32,8 +33,7 @@ FontCacheSettings _fcsettings;
* Create a new font cache.
* @param fs The size of the font.
*/
FontCache::FontCache(FontSize fs) : parent(FontCache::Get(fs)), fs(fs), height(_default_font_height[fs]),
ascender(_default_font_ascender[fs]), descender(_default_font_ascender[fs] - _default_font_height[fs])
FontCache::FontCache(FontSize fs) : parent(FontCache::Get(fs)), fs(fs)
{
assert(this->parent == nullptr || this->fs == this->parent->fs);
FontCache::caches[this->fs] = this;
@@ -50,7 +50,7 @@ FontCache::~FontCache()
int FontCache::GetDefaultFontHeight(FontSize fs)
{
return _default_font_height[fs];
return FontCache::DEFAULT_FONT_HEIGHT[fs];
}
/**

11
src/fontcache.h
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@@ -23,9 +23,9 @@ protected:
static FontCache *caches[FS_END]; ///< All the font caches.
FontCache *parent; ///< The parent of this font cache.
const FontSize fs; ///< The size of the font.
int height; ///< The height of the font.
int ascender; ///< The ascender value of the font.
int descender; ///< The descender value of the font.
int height = 0; ///< The height of the font.
int ascender = 0; ///< The ascender value of the font.
int descender = 0; ///< The descender value of the font.
public:
FontCache(FontSize fs);
@@ -33,6 +33,11 @@ public:
static void InitializeFontCaches();
/** Default unscaled font heights. */
static const int DEFAULT_FONT_HEIGHT[FS_END];
/** Default unscaled font ascenders. */
static const int DEFAULT_FONT_ASCENDER[FS_END];
static int GetDefaultFontHeight(FontSize fs);
/**