indexing
	description: "[

		The metrics for a given glyph of a given ttf-font and size.
		See documentation at http://jcatki.no-ip.org/SDL_ttf/ for more info.

	]"
	author: ""
	date: "$Date$"
	revision: "$Revision$"

class EM_TTF_GLYPH_METRICS

inherit

	SDL_TTF_FUNCTIONS_EXTERNAL
		export {NONE} all end

create {EM_TTF_FONT}

	make

feature {NONE} -- Initialization

	make (font: POINTER; unicode: INTEGER) is
			-- Create new glyph metrics for `unicode' character of `font'
			-- If the external function fails, all metrics will be 0
		local
			minx, miny, maxx, maxy, adv: INTEGER
		do
			if
				ttf_glyph_metrics_external (font, unicode, $minx, $maxx, $miny, $maxy, $adv) /= -1
			then
				min.set (minx, miny)
				max.set (maxx, maxy)
				advance := adv
			else
				min.set (0, 0)
				max.set (0, 0)
				advance := 0
			end
		end

feature -- Access

	min: EM_VECTOR2I
			--
	max: EM_VECTOR2I
			--
	advance: INTEGER
			--

end