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static void sp_tref_bbox ( SPItem const *  item,
NRRect *  bbox,
NR::Matrix const &  transform,
unsigned const   
) [static]

The code for this function is swiped from the tspan bbox code, since tref should work pretty much the same way

Definition at line 324 of file sp-tref.cpp.

References SPILength::computed, SPIPaint::isNone(), SPStyle::stroke, and SPStyle::stroke_width.

{
    // find out the ancestor text which holds our layout
    SPObject *parent_text = SP_OBJECT(item);
    for (; parent_text != NULL && !SP_IS_TEXT(parent_text); parent_text = SP_OBJECT_PARENT (parent_text));
    if (parent_text == NULL) return;

    // get the bbox of our portion of the layout
    SP_TEXT(parent_text)->layout.getBoundingBox(
        bbox, transform, sp_text_get_length_upto(parent_text, item), sp_text_get_length_upto(item, NULL) - 1);

    // Add stroke width
    SPStyle* style=SP_OBJECT_STYLE (item);
    if (!style->stroke.isNone()) {
        double const scale = expansion(transform);
        if ( fabs(style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
            double const width = MAX(0.125, style->stroke_width.computed * scale);
            if ( fabs(bbox->x1 - bbox->x0) > -0.00001 && fabs(bbox->y1 - bbox->y0) > -0.00001 ) {
                bbox->x0-=0.5*width;
                bbox->x1+=0.5*width;
                bbox->y0-=0.5*width;
                bbox->y1+=0.5*width;
            }
        }
    }
}


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