(PECL haru >= 0.0.1)
HaruPage::getFillingColorSpace — Get the current filling color space
Get the current filling color space.
This function has no parameters.
Returns the current filling color space. The result value is one of the following:
HaruDoc::CS_DEVICE_GRAY
    HaruDoc::CS_DEVICE_RGB
    HaruDoc::CS_DEVICE_CMYK
    HaruDoc::CS_CAL_GRAY
    HaruDoc::CS_CAL_RGB
    HaruDoc::CS_LAB
    HaruDoc::CS_ICC_BASED
    HaruDoc::CS_SEPARATION
    HaruDoc::CS_DEVICE_N
    HaruDoc::CS_INDEXED
    HaruDoc::CS_PATTERN
    Throws a HaruException on error.