void GOComponentView::render(UT_Rect & rec)
{
UT_return_if_fail (component);
if (rec.width == 0 || rec.height == 0) // Nothing to render
return;
GR_CairoGraphics *pUGG = static_cast<GR_CairoGraphics*>(m_pGOMan->getGraphics());
UT_sint32 myWidth = pUGG->tdu(rec.width);
UT_sint32 myHeight = pUGG->tdu(rec.height);
UT_sint32 x = pUGG->tdu(rec.left), y;
if ((width != rec.width || ascent + descent != rec.height) && go_component_is_resizable (component))
{
double _ascent, _descent;
go_component_set_size (component, (double) rec.width / UT_LAYOUT_RESOLUTION, (double) rec.height / UT_LAYOUT_RESOLUTION);
g_object_get (G_OBJECT (component), "ascent", &_ascent, "descent", &_descent, NULL);
ascent = (UT_sint32) rint (_ascent * UT_LAYOUT_RESOLUTION);
descent = (UT_sint32) rint (_descent * UT_LAYOUT_RESOLUTION);
}
y = pUGG->tdu(rec.top - ascent);
pUGG->beginPaint();
cairo_t *cr = pUGG->getCairo ();
cairo_save (cr);
cairo_translate (cr, x, y);
go_component_render (component, cr, myWidth, myHeight);
cairo_new_path (cr); // just in case a path has not been ended
cairo_restore (cr);
pUGG->endPaint();
}
static void
goc_component_set_property (GObject *obj, guint param_id,
GValue const *value, GParamSpec *pspec)
{
GocComponent *component = GOC_COMPONENT (obj);
switch (param_id) {
case COMPONENT_PROP_X: {
double x = g_value_get_double (value);
if (x == component->x)
return;
component->x = x;
return;
}
case COMPONENT_PROP_Y: {
double y = g_value_get_double (value);
if (y == component->y)
return;
component->y = y;
break;
}
/* NOTE: it is allowed to set width and height even if the component is not resizable
* but this should be only used to convert the size in inches to pixels.
* The default is 1 pixel == 1 point.
*/
case COMPONENT_PROP_H: {
double h = g_value_get_double (value);
if (!component->component || h == component->h)
return;
component->h = h;
break;
}
case COMPONENT_PROP_W: {
double w = g_value_get_double (value);
if (!component->component || w == component->w)
return;
component->w = w;
break;
}
case COMPONENT_PROP_ROTATION: {
double r = g_value_get_double (value) / 180. * M_PI;
if (!component->component || r == component->rotation)
return;
component->rotation = r;
break;
}
case COMPONENT_PROP_OBJECT:
if (component->component != NULL)
g_object_unref (component->component);
component->component = GO_COMPONENT (g_value_get_object (value));
if (component->component != NULL) {
g_object_ref (component->component);
/* set default or fixed size */
if (component->w == 0 || component->h == 0 || !go_component_is_resizable (component->component)) {
go_component_get_size (component->component, &component->w, &component->h);
component->w = GO_IN_TO_PT (component->w);
component->h = GO_IN_TO_PT (component->h);
}
}
break;
default: G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, param_id, pspec);
return; /* NOTE : RETURN */
}
goc_item_bounds_changed (GOC_ITEM (component));
}
