void sp_document_set_height (SPDocument * document, gdouble height, const SPUnit *unit)
{
SPRoot *root = SP_ROOT(document->root);
if (root->height.unit == SVGLength::PERCENT && root->viewBox_set) { // set to viewBox=
root->viewBox.y1 = root->viewBox.y0 + sp_units_get_pixels (height, *unit);
} else { // set to height=
gdouble old_computed = root->height.computed;
root->height.computed = sp_units_get_pixels (height, *unit);
/* SVG does not support meters as a unit, so we must translate meters to
* cm when writing */
if (!strcmp(unit->abbr, "m")) {
root->height.value = 100*height;
root->height.unit = SVGLength::CM;
} else {
root->height.value = height;
root->height.unit = (SVGLength::Unit) sp_unit_get_svg_unit(unit);
}
if (root->viewBox_set)
root->viewBox.y1 = root->viewBox.y0 + (root->height.computed / old_computed) * (root->viewBox.y1 - root->viewBox.y0);
}
SP_OBJECT (root)->updateRepr();
}
void GuidelinePropertiesDialog::_onApply()
{
double deg_angle = _spin_angle.get_value();
if (!_mode)
deg_angle += _oldangle;
Geom::Point normal;
if ( deg_angle == 90. || deg_angle == 270. || deg_angle == -90. || deg_angle == -270.) {
normal = Geom::Point(1.,0.);
} else if ( deg_angle == 0. || deg_angle == 180. || deg_angle == -180.) {
normal = Geom::Point(0.,1.);
} else {
double rad_angle = Geom::deg_to_rad( deg_angle );
normal = Geom::rot90(Geom::Point::polar(rad_angle, 1.0));
}
sp_guide_set_normal(*_guide, normal, true);
SPUnit const &unit = *sp_unit_selector_get_unit(SP_UNIT_SELECTOR(_unit_selector->gobj()));
gdouble const raw_dist_x = _spin_button_x.get_value();
gdouble const points_x = sp_units_get_pixels(raw_dist_x, unit);
gdouble const raw_dist_y = _spin_button_y.get_value();
gdouble const points_y = sp_units_get_pixels(raw_dist_y, unit);
Geom::Point newpos(points_x, points_y);
if (!_mode)
newpos += _oldpos;
sp_guide_moveto(*_guide, newpos, true);
sp_document_done(SP_OBJECT_DOCUMENT(_guide), SP_VERB_NONE,
_("Set guide properties"));
}
void UnitTracker::_fixupAdjustments( SPUnit const* oldUnit, SPUnit const *newUnit )
{
_isUpdating = true;
for ( GSList* cur = _adjList; cur; cur = g_slist_next(cur) ) {
GtkAdjustment* adj = GTK_ADJUSTMENT(cur->data);
gdouble oldVal = gtk_adjustment_get_value(adj);
gdouble val = oldVal;
if ((oldUnit->base == SP_UNIT_ABSOLUTE || oldUnit->base == SP_UNIT_DEVICE)
&& (newUnit->base == SP_UNIT_DIMENSIONLESS))
{
val = 1.0 / newUnit->unittobase;
_priorValues[adj] = sp_units_get_pixels( oldVal, *oldUnit );
} else if ((oldUnit->base == SP_UNIT_DIMENSIONLESS)
&& (newUnit->base == SP_UNIT_ABSOLUTE || newUnit->base == SP_UNIT_DEVICE)) {
if ( _priorValues.find(adj) != _priorValues.end() ) {
val = sp_pixels_get_units( _priorValues[adj], *newUnit );
}
} else {
val = sp_convert_distance_full( oldVal, *oldUnit, *newUnit );
}
gtk_adjustment_set_value( adj, val );
}
_isUpdating = false;
}
