Lines Matching refs:alpha
573 float alpha = quadID / 10.f;
574 c.fR = c.fR * (1 - alpha) + alpha;
575 c.fG = c.fG * (1 - alpha) + alpha;
576 c.fB = c.fB * (1 - alpha) + alpha;
577 c.fA = c.fA * (1 - alpha) + alpha;
682 static sk_sp<ClipTileRenderer> MakeAlpha(sk_sp<SkImage> image, SkScalar alpha) {
683 return Make("Alpha", SkStringPrintf("a = %.2f", alpha).c_str(), std::move(image), nullptr,
684 nullptr, nullptr, nullptr, alpha, false, 0);
933 // is not null. Also exercise per-entry alpha combined with YUVA images.
942 draw_text(canvas, "YUV + alpha - GPU Only");