gronod/OpenTTD
1
0
Fork 0
mirror of https://github.com/OpenTTD/OpenTTD.git synced 2025-03-12 18:40:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

(svn r25439) -Codechange: move the glyph to sprite ID mapping into the SpriteFontCache

Browse Source
This commit is contained in:
rubidium 2013-06-23 15:25:35 +00:00
parent e1a2a8275b
commit a285743d48
1 changed files with 43 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
src/fontcache.cpp
View File

@ -62,8 +62,13 @@ FontCache::~FontCache()
/** Font cache for fonts that are based on a freetype font. */
class SpriteFontCache : public FontCache {
private:
SpriteID **glyph_to_spriteid_map; ///< Mapping of glyphs to sprite IDs.
void ClearGlyphToSpriteMap();
public:
SpriteFontCache(FontSize fs) : FontCache(fs) {}
SpriteFontCache(FontSize fs);
~SpriteFontCache();
virtual SpriteID GetUnicodeGlyph(uint32 key);
virtual void SetUnicodeGlyph(uint32 key, SpriteID sprite);
virtual void InitializeUnicodeGlyphMap();
@ -73,6 +78,37 @@ public:
virtual bool GetDrawGlyphShadow();
};
/**
* Create a new sprite font cache.
* @param fs The font size to create the cache for.
*/
SpriteFontCache::SpriteFontCache(FontSize fs) : FontCache(fs), glyph_to_spriteid_map(NULL)
{
this->InitializeUnicodeGlyphMap();
}
/**
* Free everything we allocated.
*/
SpriteFontCache::~SpriteFontCache()
{
this->ClearGlyphToSpriteMap();
}
/**
* Clear the glyph to sprite mapping.
*/
void SpriteFontCache::ClearGlyphToSpriteMap()
{
if (this->glyph_to_spriteid_map == NULL) return;
for (uint i = 0; i < 256; i++) {
free(this->glyph_to_spriteid_map[i]);
}
free(this->glyph_to_spriteid_map);
this->glyph_to_spriteid_map = NULL;
}
void SpriteFontCache::ClearFontCache() {}
const Sprite *SpriteFontCache::GetGlyph(uint32 key)
@ -566,9 +602,6 @@ uint FreeTypeFontCache::GetGlyphWidth(WChar key)
#include "table/unicode.h"
static SpriteID **_unicode_glyph_map[FS_END];
/** Get the SpriteID of the first glyph for the given font size */
static SpriteID GetFontBase(FontSize size)
{
@ -584,29 +617,23 @@ static SpriteID GetFontBase(FontSize size)
SpriteID SpriteFontCache::GetUnicodeGlyph(uint32 key)
{
if (_unicode_glyph_map[this->fs][GB(key, 8, 8)] == NULL) return 0;
return _unicode_glyph_map[this->fs][GB(key, 8, 8)][GB(key, 0, 8)];
if (this->glyph_to_spriteid_map[GB(key, 8, 8)] == NULL) return 0;
return this->glyph_to_spriteid_map[GB(key, 8, 8)][GB(key, 0, 8)];
}
void SpriteFontCache::SetUnicodeGlyph(uint32 key, SpriteID sprite)
{
if (_unicode_glyph_map[this->fs] == NULL) _unicode_glyph_map[this->fs] = CallocT<SpriteID*>(256);
if (_unicode_glyph_map[this->fs][GB(key, 8, 8)] == NULL) _unicode_glyph_map[this->fs][GB(key, 8, 8)] = CallocT<SpriteID>(256);
_unicode_glyph_map[this->fs][GB(key, 8, 8)][GB(key, 0, 8)] = sprite;
if (this->glyph_to_spriteid_map == NULL) this->glyph_to_spriteid_map = CallocT<SpriteID*>(256);
if (this->glyph_to_spriteid_map[GB(key, 8, 8)] == NULL) this->glyph_to_spriteid_map[GB(key, 8, 8)] = CallocT<SpriteID>(256);
this->glyph_to_spriteid_map[GB(key, 8, 8)][GB(key, 0, 8)] = sprite;
}
void SpriteFontCache::InitializeUnicodeGlyphMap()
{
/* Clear out existing glyph map if it exists */
if (_unicode_glyph_map[this->fs] != NULL) {
for (uint i = 0; i < 256; i++) {
free(_unicode_glyph_map[this->fs][i]);
}
free(_unicode_glyph_map[this->fs]);
_unicode_glyph_map[this->fs] = NULL;
}
this->ClearGlyphToSpriteMap();
SpriteID base = GetFontBase(this->fs);