std::vector<SVGLength> sp_svg_length_list_read(gchar const *str)
{
if (!str) {
return std::vector<SVGLength>();
}
SVGLength::Unit unit;
float value;
float computed;
char *next = (char *) str;
std::vector<SVGLength> list;
while (sp_svg_length_read_lff(next, &unit, &value, &computed, &next)) {
SVGLength length;
length.set(unit, value, computed);
list.push_back(length);
while (next && *next &&
(*next == ',' || *next == ' ' || *next == '\n' || *next == '\r' || *next == '\t')) {
// the list can be comma- or space-separated, but we will be generous and accept
// a mix, including newlines and tabs
next++;
}
if (!next || !*next) {
break;
}
}
return list;
}
unsigned int sp_svg_length_read_ldd(gchar const *str, SVGLength::Unit *unit, double *value, double *computed)
{
float a;
float b;
unsigned int r = sp_svg_length_read_lff(str, unit, &a, &b, NULL);
if (r) {
if (value) {
*value = a;
}
if (computed) {
*computed = b;
}
}
return r;
}
unsigned int
sp_svg_length_read (const gchar *str, SPSVGLength *length)
{
unsigned long unit;
float value, computed;
if (!str) return 0;
if (!sp_svg_length_read_lff (str, &unit, &value, &computed)) return 0;
length->set = 1;
length->unit = unit;
length->value = value;
length->computed = computed;
return 1;
}
bool SVGLength::read(gchar const *str)
{
if (!str) {
return false;
}
SVGLength::Unit u;
float v;
float c;
if (!sp_svg_length_read_lff(str, &u, &v, &c, NULL)) {
return false;
}
_set = true;
unit = u;
value = v;
computed = c;
return true;
}
unsigned int sp_svg_length_read_computed_absolute(gchar const *str, float *length)
{
if (!str) {
return 0;
}
SVGLength::Unit unit;
float computed;
if (!sp_svg_length_read_lff(str, &unit, NULL, &computed, NULL)) {
// failed to read
return 0;
}
if (svg_length_absolute_unit(unit) == false) {
return 0;
}
*length = computed;
return 1;
}
static void
sp_spiral_set (SPObject *object, unsigned int key, const gchar *value)
{
SPSpiral *spiral;
SPShape *shape;
gulong unit;
spiral = SP_SPIRAL (object);
shape = SP_SHAPE (object);
/* fixme: we should really collect updates */
switch (key) {
case SP_ATTR_SODIPODI_CX:
if (!sp_svg_length_read_lff (value, &unit, NULL, &spiral->cx) ||
(unit == SP_SVG_UNIT_EM) ||
(unit == SP_SVG_UNIT_EX) ||
(unit == SP_SVG_UNIT_PERCENT)) {
spiral->cx = 0.0;
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_SODIPODI_CY:
if (!sp_svg_length_read_lff (value, &unit, NULL, &spiral->cy) ||
(unit == SP_SVG_UNIT_EM) ||
(unit == SP_SVG_UNIT_EX) ||
(unit == SP_SVG_UNIT_PERCENT)) {
spiral->cy = 0.0;
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_SODIPODI_EXPANSION:
if (value) {
spiral->exp = atof (value);
spiral->exp = CLAMP (spiral->exp, 0.0, 1000.0);
} else {
spiral->exp = 1.0;
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_SODIPODI_REVOLUTION:
if (value) {
spiral->revo = atof (value);
spiral->revo = CLAMP (spiral->revo, 0.05, 20.0);
} else {
spiral->revo = 3.0;
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_SODIPODI_RADIUS:
if (!sp_svg_length_read_lff (value, &unit, NULL, &spiral->rad) ||
(unit != SP_SVG_UNIT_EM) ||
(unit != SP_SVG_UNIT_EX) ||
(unit != SP_SVG_UNIT_PERCENT)) {
spiral->rad = MAX (spiral->rad, 0.001);
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_SODIPODI_ARGUMENT:
if (value) {
spiral->arg = atof (value);
} else {
spiral->arg = 0.0;
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_SODIPODI_T0:
if (value) {
spiral->t0 = atof (value);
spiral->t0 = CLAMP (spiral->t0, -1.0, 0.999);
} else {
spiral->t0 = 0.0;
}
sp_object_request_update (object, SP_OBJECT_MODIFIED_FLAG);
break;
default:
if (((SPObjectClass *) parent_class)->set)
((SPObjectClass *) parent_class)->set (object, key, value);
break;
}
}
