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Refactor tooltip draw function to extract drawBackground method

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See issue #3416.
This commit is contained in:
Mickael Jeanroy 2016-10-04 17:08:55 +02:00 committed by Evert Timberg
parent 365bdbb346
commit b64cab0046
1 changed files with 7 additions and 4 deletions
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11
src/core/core.tooltip.js
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@ -670,6 +670,12 @@ module.exports = function(Chart) {
});
}
},
drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {
var bgColor = helpers.color(vm.backgroundColor);
ctx.fillStyle = bgColor.alpha(opacity * bgColor.alpha()).rgbString();
helpers.drawRoundedRectangle(ctx, pt.x, pt.y, tooltipSize.width, tooltipSize.height, vm.cornerRadius);
ctx.fill();
},
draw: function() {
var ctx = this._chart.ctx;
var vm = this._view;
@ -689,10 +695,7 @@ module.exports = function(Chart) {
if (this._options.enabled) {
// Draw Background
var bgColor = helpers.color(vm.backgroundColor);
ctx.fillStyle = bgColor.alpha(opacity * bgColor.alpha()).rgbString();
helpers.drawRoundedRectangle(ctx, pt.x, pt.y, tooltipSize.width, tooltipSize.height, vm.cornerRadius);
ctx.fill();
this.drawBackground(pt, vm, ctx, tooltipSize, opacity);
// Draw Caret
this.drawCaret(pt, tooltipSize, opacity);