Method getData

src/common/overlay/levelRenderer/Color.js:763–820

* @function LevelRenderer.Tool.Color.prototype.getData * @description 获取颜色值数组，返回值范围。 * RGB 范围[0-255] * HSL/HSV/HSB 范围[0-1] * A透明度范围[0-1] * 支持格式： * #rgb * #rrggbb * rgb(r,g,b) * rgb(r%,g%,b%) * rgba(r,g,b,a) * hsb(h,s,b) // hsv与hsb等价 * hsb(h

(color)

     * @returns {Array.<number>} 颜色值数组或null
     */
    getData(color) {
        color = this.normalize(color);
        var r = color.match(this.colorRegExp);
        if (r === null) {
            throw new Error('The color format error'); // 颜色格式错误
        }
        var d;
        var a;
        var data = [];
        var rgb;

        if (r[2]) {
            // #rrggbb
            d = r[2].replace('#', '').split('');
            rgb = [d[0] + d[1], d[2] + d[3], d[4] + d[5]];
            data = this.map(rgb,
                function (c) {
                    return Color.prototype.adjust.call(this, parseInt(c, 16), [0, 255]);
                }
            );

        } else if (r[4]) {
            // rgb rgba
            var rgba = (r[4]).split(',');
            a = rgba[3];
            rgb = rgba.slice(0, 3);
            data = this.map(
                rgb,
                function (c) {
                    c = Math.floor(
                        c.indexOf('%') > 0 ? parseInt(c, 0) * 2.55 : c
                    );
                    return Color.prototype.adjust.call(this, c, [0, 255]);
                }
            );

            if (typeof a !== 'undefined') {
                data.push(this.adjust(parseFloat(a), [0, 1]));
            }
        } else if (r[5] || r[6]) {
            // hsb hsba hsl hsla
            var hsxa = (r[5] || r[6]).split(',');
            var h = parseInt(hsxa[0], 0) / 360;
            var s = hsxa[1];
            var x = hsxa[2];
            a = hsxa[3];
            data = this.map([s, x],
                function (c) {
                    return Color.prototype.adjust.call(this, parseFloat(c) / 100, [0, 1]);
                }
            );
            data.unshift(h);
            if (typeof a !== 'undefined') {
                data.push(this.adjust(parseFloat(a), [0, 1]));
            }
        }
        return data;
    }