public static int getLeftSideBearing()

in src/main/java/com/intellij/util/ui/UIUtilities.java [241:274]

• 31 lines of code
• 6 McCabe index (conditional complexity)

    public static int getLeftSideBearing(JComponent c, FontMetrics fm,
                                         char firstChar) {
        int charIndex = (int) firstChar;
        if (charIndex < MAX_CHAR_INDEX && charIndex >= MIN_CHAR_INDEX) {
            byte[] lsbs = null;

            FontRenderContext frc = getFontRenderContext(c, fm);
            Font font = fm.getFont();
            synchronized (UIUtilities.class) {
                LSBCacheEntry entry = null;
                if (searchKey == null) {
                    searchKey = new LSBCacheEntry(frc, font);
                } else {
                    searchKey.reset(frc, font);
                }
                // See if we already have an entry for this pair
                for (LSBCacheEntry cacheEntry : fontCache) {
                    if (searchKey.equals(cacheEntry)) {
                        entry = cacheEntry;
                        break;
                    }
                }
                if (entry == null) {
                    // No entry for this pair, add it.
                    entry = searchKey;
                    fontCache[nextIndex] = searchKey;
                    searchKey = null;
                    nextIndex = (nextIndex + 1) % CACHE_SIZE;
                }
                return entry.getLeftSideBearing(firstChar);
            }
        }
        return 0;
    }