/*

	 * The following is needed for truncation.

	 * Depending on the text direction, we either remove bits at the rear

	 * or the front. For this we shift the entire area to draw so it fits

	 * within the left/right bounds and the side we do not truncate it on.

	 * Then we determine the truncation location, i.e. glyphs that fall

	 * outside of the range min_x - max_x will not be drawn; they are thus

	 * the truncated glyphs.

	 *

	 * At a later step we insert the dots.

	 */

	int max_w = right - left + 1; // The maximum width.

	int offset_x = 0;  // The offset we need for positioning the glyphs

	int min_x = left;  // The minimum x position to draw normal glyphs on.

	int max_x = right; // The maximum x position to draw normal glyphs on.

	bool truncation = max_w < w;     // Whether we need to do truncation.

	int dot_width = 0;               // Cache for the width of the dot.

	const Sprite *dot_sprite = NULL; // Cache for the sprite of the dot.

	if (truncation) {

		/*

		 * Assumption may be made that all fonts of a run are of the same size.

		 * In any case, we'll use these dots for the abbreviation, so even if

		 * another size would be chosen it won't have truncated too little for

		 * the truncation dots.

		 */

		FontCache *fc = ((const Font*)line->getVisualRun(0)->getFont())->fc;

		GlyphID dot_glyph = fc->MapCharToGlyph('.');

		dot_width = fc->GetGlyphWidth(dot_glyph);

		dot_sprite = fc->GetGlyph(dot_glyph);

		if (_current_text_dir == TD_RTL) {

			min_x += 3 * dot_width;

			offset_x = w - 3 * dot_width - max_w;

		} else {

			max_x -= 3 * dot_width;

		}

		w = max_w;

	}

			int begin_x = run->getPositions()[i * 2]     + left - offset_x;

			int end_x   = run->getPositions()[i * 2 + 2] + left - offset_x  - 1;

			/* Truncated away. */

			if (begin_x < min_x || end_x > max_x) continue;

	if (truncation) {

		int x = (_current_text_dir == TD_RTL) ? left : (right - 3 * dot_width);

		for (int i = 0; i < 3; i++, x += dot_width) {

			GfxMainBlitter(dot_sprite, x, y, BM_COLOUR_REMAP);

		}

	}