/**
 * @class Ext.chart.grid.VerticalGrid
 * @extends Ext.draw.sprite.Sprite
 * 
 * Vertical Grid sprite. Used in Cartesian Charts.
 */
Ext.define('Ext.chart.grid.VerticalGrid', {
    extend: 'Ext.draw.sprite.Sprite',
    alias: 'grid.vertical',
 
    inheritableStatics: {
        def: {
            processors: {
                x: 'number',
                y: 'number',
                width: 'number',
                height: 'number'
            },
 
            defaults: {
                x: 0,
                y: 0,
                width: 1,
                height: 1,
                strokeStyle: '#DDD'
            }
        }
    },
 
    render: function(surface, ctx, rect) {
        var attr = this.attr,
            x = surface.roundPixel(attr.x),
            halfLineWidth = ctx.lineWidth * 0.5;
 
        ctx.beginPath();
        ctx.rect(x - halfLineWidth, rect[1] - surface.matrix.getDY(), attr.width, rect[3]);
        ctx.fill();
 
        ctx.beginPath();
        ctx.moveTo(x - halfLineWidth, rect[1] - surface.matrix.getDY());
        ctx.lineTo(x - halfLineWidth, rect[1] + rect[3] - surface.matrix.getDY());
        ctx.stroke();
    }
});