underlayCallback: function(canvas, area, g) {
// Selecting a date in the middle of the graph.
var splitDate = new Date("2006-11-19").getTime();
- var coords = g.toDomCoords(splitDate, 2.25);
+ var coords = g.toDomCoords(splitDate, 2.25);
- // splitX and splitY are the coordinates on the canvas for (2006-11-19, 2.25).
+ // splitX and splitY are the coordinates on the canvas for (2006-11-19, 2.25).
var splitX = coords[0];
var splitY = coords[1];
- // The drawing area doesn't start at (0, 0), it starts at (area.x, area.y).
- // That's why we subtract them from splitX and splitY. This gives us the
- // actual distance from the upper-left hand corder of the graph itself.
- var leftSideWidth = splitX - area.x;
- var rightSideWidth = area.w - leftSideWidth;
- var topHeight = splitY - area.y;
- var bottomHeight = area.h - topHeight;
+ // The drawing area doesn't start at (0, 0), it starts at (area.x, area.y).
+ // That's why we subtract them from splitX and splitY. This gives us the
+ // actual distance from the upper-left hand corder of the graph itself.
+ var leftSideWidth = splitX - area.x;
+ var rightSideWidth = area.w - leftSideWidth;
+ var topHeight = splitY - area.y;
+ var bottomHeight = area.h - topHeight;
// fillRect(x, y, width, height)
// Top section: y = (2.25, +Infinity)
- // left: x < 2006-11-19)
+ // left: (x < 2006-11-19)
canvas.fillStyle = 'lightblue';
- canvas.fillRect(area.x, area.y, leftSideWidth, topHeight);
+ canvas.fillRect(area.x, area.y, leftSideWidth, topHeight);
- // right: x > 2006-11-19)
+ // right: (x > 2006-11-19)
canvas.fillStyle = 'orange';
canvas.fillRect(splitX, area.y, rightSideWidth, topHeight);