Cached ALL Rendered Glyphs | Gazelle Imaging [not logged in]

extends BWithResources;

int fontSize = 40, w = 50, h = 50;
S bgColor = "FFFFFF";
S textColor = "000000";

transient LS glyphList;
transient Map<S, IIntegralImage> glyphByHash;
transient SS glyphHashes;
transient Map<S, IIntegralImage> cachedGlyphs;
transient volatile bool done;

void _activateImpl :: after {
  glyphByHash = syncMap();
  cachedGlyphs = syncMap();
  glyphHashes = syncMap();
  glyphList = syncL();
}

void _deactivateImpl :: after {
  // These are huge, so we make sure to forget
  glyphByHash = cachedGlyphs = null;
  glyphHashes = null;
  glyphList = null;
}

Font font() {
  ret deriveFont(sansSerif(fontSize), fontSize);
}

IIntegralImage renderGlyph(S text) {
  BufferedImage img = newBufferedImage(w, h, awtColor(bgColor));
  var g = imageGraphics(img);
  g.setFont(font());
  drawCenteredText(g, text, 0, 0, w, h, awtColor(textColor));
  ret BWIntegralImage(img);
}

void cacheAllGlyphs {
  Font font = font();
  
  for i to 65536:...