phaser/src/gameobjects/shape/FillStyleCanvas.js

A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers from the team at Phaser Studio Inc.

/**
 * @author       Richard Davey <rich@phaser.io>
 * @copyright    2013-2025 Phaser Studio Inc.
 * @license      {@link https://opensource.org/licenses/MIT|MIT License}
 */

/**
 * Sets the fillStyle on the target context based on the given Shape.
 *
 * @method Phaser.GameObjects.Shape#FillStyleCanvas
 * @since 3.13.0
 * @private
 *
 * @param {CanvasRenderingContext2D} ctx - The context to set the fill style on.
 * @param {Phaser.GameObjects.Shape} src - The Game Object to set the fill style from.
 * @param {number} [altColor] - An alternative color to render with.
 * @param {number} [altAlpha] - An alternative alpha to render with.
 */
var FillStyleCanvas = function (ctx, src, altColor, altAlpha)
{
    var fillColor = (altColor) ? altColor : src.fillColor;
    var fillAlpha = (altAlpha) ? altAlpha : src.fillAlpha;

    var red = ((fillColor & 0xFF0000) >>> 16);
    var green = ((fillColor & 0xFF00) >>> 8);
    var blue = (fillColor & 0xFF);

    ctx.fillStyle = 'rgba(' + red + ',' + green + ',' + blue + ',' + fillAlpha + ')';
};

module.exports = FillStyleCanvas;