Пример #1
0
bool SkPixmap::erase(const SkColor4f& origColor, const SkIRect* subset) const {
    SkPixmap pm;
    if (subset) {
        if (!this->extractSubset(&pm, *subset)) {
            return false;
        }
    } else {
        pm = *this;
    }

    const SkColor4f color = origColor.pin();

    if (kRGBA_F16_SkColorType != pm.colorType()) {
        Sk4f c4 = Sk4f::Load(color.vec());
        SkColor c;
        (c4 * Sk4f(255) + Sk4f(0.5f)).store(&c);
        return pm.erase(c);
    }

    const uint64_t half4 = color.premul().toF16();
    for (int y = 0; y < pm.height(); ++y) {
        sk_memset64(pm.writable_addr64(0, y), half4, pm.width());
    }
    return true;
}
Пример #2
0
SkColor4Shader::SkColor4Shader(const SkColor4f& color, sk_sp<SkColorSpace> space)
    : fColorSpace(std::move(space))
    , fColor4(color)
    , fCachedByteColor(unit_to_skcolor(color.pin(), space.get()))
{}