Draw from charatlas without changing scale
Draw from charatlas without changing scale

Fixes #1050

Tyriar/xterm.js,akalipetis/xterm.js,akalipetis/xterm.js,xtermjs/xterm.js,xtermjs/xterm.js,Tyriar/xterm.js,Tyriar/xterm.js,sourcelair/xterm.js,Tyriar/xterm.js,sourcelair/xterm.js,akalipetis/xterm.js,xtermjs/xterm.js,xtermjs/xterm.js,sourcelair/xterm.js,Tyriar/xterm.js,akalipetis/xterm.js,sourcelair/xterm.js,xtermjs/xterm.js