targets/var_access.c
author Edouard Tisserant
Thu, 25 Mar 2021 10:13:12 +0100
branchsvghmi
changeset 3199 1582753e409b
parent 2710 aaa1dc426213
child 3395 93ad018fb602
permissions -rw-r--r--
SVGHMI: Filter unseen geometry from inkscape CSV output.

When inkscape exports geometry form all objects, then it also includes objects from svg:defs. This makes problems when deciding if an object is part of a page, since coordinate of objects in svg:defs can eventualy be contained in a page. In the end, those objects where getting detached when leaving pages where they where found, leading for exemple to non working text on clipping when the clipped text was cloned in multiple page.

#define __Unpack_case_t(TYPENAME) \
        case TYPENAME##_ENUM :\
            *flags = ((__IEC_##TYPENAME##_t *)varp)->flags;\
            forced_value_p = *real_value_p = &((__IEC_##TYPENAME##_t *)varp)->value;\
            break;

#define __Unpack_case_p(TYPENAME)\
        case TYPENAME##_O_ENUM :\
            *flags = __IEC_OUTPUT_FLAG;\
        case TYPENAME##_P_ENUM :\
            *flags |= ((__IEC_##TYPENAME##_p *)varp)->flags;\
            *real_value_p = ((__IEC_##TYPENAME##_p *)varp)->value;\
            forced_value_p = &((__IEC_##TYPENAME##_p *)varp)->fvalue;\
            break;

#define __Is_a_string(dsc) (dsc->type == STRING_ENUM)   ||\
                           (dsc->type == STRING_P_ENUM) ||\
                           (dsc->type == STRING_O_ENUM)

static void* UnpackVar(__Unpack_desc_type *dsc, void **real_value_p, char *flags)
{
    void *varp = dsc->ptr;
    void *forced_value_p = NULL;
    *flags = 0;
    /* find data to copy*/
    switch(dsc->type){
        __ANY(__Unpack_case_t)
        __ANY(__Unpack_case_p)
    default:
        break;
    }
    if (*flags & __IEC_FORCE_FLAG)
        return forced_value_p;
    return *real_value_p;
}