Allow using multiple ttf files with separate styles
This is done by keeping a BoostHash of all the styles we have and their corresponding paths, and passing the style when we want to get the font.
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parent
9dcfb66e86
commit
598bbea892
41
src/font.cpp
41
src/font.cpp
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@ -49,21 +49,13 @@ BUNDLED_FONT_DECL(liberation)
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#define BNDL_F_L(f) BUNDLED_FONT_L(f)
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typedef std::pair<std::string, int> FontKey;
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typedef BoostHash<int, std::string> FontSet;
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static SDL_RWops *openBundledFont()
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{
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return SDL_RWFromConstMem(BNDL_F_D(BUNDLED_FONT), BNDL_F_L(BUNDLED_FONT));
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}
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struct FontSet
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{
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/* 'Regular' style */
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std::string regular;
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/* Any other styles (used in case no 'Regular' exists) */
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std::string other;
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};
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struct SharedFontStatePrivate
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{
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/* Maps: font family name, To: substituted family name,
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@ -117,20 +109,18 @@ void SharedFontState::initFontSetCB(SDL_RWops &ops,
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return;
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std::string family = TTF_FontFaceFamilyName(font);
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std::string style = TTF_FontFaceStyleName(font);
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int style = TTF_GetFontStyle(font);
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TTF_CloseFont(font);
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FontSet &set = p->sets[family];
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if (style == "Regular")
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set.regular = filename;
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else
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set.other = filename;
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set[style] = filename;
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}
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_TTF_Font *SharedFontState::getFont(std::string family,
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int size)
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int size,
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int style)
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{
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/* Check for substitutions */
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if (p->subs.contains(family))
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@ -139,7 +129,7 @@ _TTF_Font *SharedFontState::getFont(std::string family,
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/* Find out if the font asset exists */
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const FontSet &req = p->sets[family];
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if (req.regular.empty() && req.other.empty())
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if (req.cbegin() == req.cend())
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{
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/* Doesn't exist; use built-in font */
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family = "";
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@ -162,10 +152,10 @@ _TTF_Font *SharedFontState::getFont(std::string family,
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}
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else
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{
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/* Use 'other' path as alternative in case
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* we have no 'regular' styled font asset */
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const char *path = !req.regular.empty()
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? req.regular.c_str() : req.other.c_str();
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/* Use the style path as default with the
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* first key we have as alternative */
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const char *path = req.value(req.contains(style)
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? style : req.cbegin()->first).c_str();
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ops = SDL_AllocRW();
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shState->fileSystem().openReadRaw(*ops, path, true);
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@ -192,7 +182,7 @@ bool SharedFontState::fontPresent(std::string family) const
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const FontSet &set = p->sets[family];
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return !(set.regular.empty() && set.other.empty());
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return !(set.cbegin() == set.cend());
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}
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_TTF_Font *SharedFontState::openBundled(int size)
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@ -443,10 +433,6 @@ void Font::initDefaults(const SharedFontState &sfs)
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_TTF_Font *Font::getSdlFont()
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{
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if (!p->sdlFont)
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p->sdlFont = shState->fontState().getFont(p->name.c_str(),
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p->size);
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int style = TTF_STYLE_NORMAL;
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if (p->bold)
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@ -455,6 +441,11 @@ _TTF_Font *Font::getSdlFont()
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if (p->italic)
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style |= TTF_STYLE_ITALIC;
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if (!p->sdlFont)
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p->sdlFont = shState->fontState().getFont(p->name.c_str(),
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p->size,
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style);
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TTF_SetFontStyle(p->sdlFont, style);
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return p->sdlFont;
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@ -48,7 +48,8 @@ public:
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const std::string &filename);
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_TTF_Font *getFont(std::string family,
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int size);
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int size,
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int style);
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bool fontPresent(std::string family) const;
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