Lines Matching refs:alpha
4567 setAlpha: function(alpha) {
4569 source[3] = alpha;
4614 alpha = this.getAlpha(),
4623 result[3] = alpha;
18886 this.alpha = options.alpha || 1;
18916 tr = source[0] * this.alpha;
18917 tg = source[1] * this.alpha;
18918 tb = source[2] * this.alpha;
18928 tr = source[i] * this.alpha;
18929 tg = source[i + 1] * this.alpha;
18930 tb = source[i + 2] * this.alpha;
18989 alpha: this.alpha
19154 blue, alpha, fX, fY;
19160 a = 0, red = 0, green = 0, blue = 0, alpha = 0;
19184 alpha += weight * srcData[idx + 3];
19192 destData[idx + 3] = alpha / a;