void XYView::set_damage_area(Canvas* c) {
Extension e;
c->restrict_damage(0.,0., c->width(), c->height());
c->damage_area(e);
const float off = c->to_coord(1);
c->transformer().inverse_transform(e.left()-off, e.bottom()-off, xd1_, yd1_);
c->transformer().inverse_transform(e.right()+off, e.top()+off, xd2_, yd2_);
}
void Scrollable::draw(Canvas* c, const Allocation& a) const {
c->damage(0, 0, width_, height_);
Extension e;
e.set(c, a);
c->push_clipping();
c->push_transform();
c->transformer(Transformer());
c->clip_rect(e.left(), e.bottom(), e.right(), e.top());
Patch::draw(c, a);
c->pop_transform();
c->pop_clipping();
}
void DebugGlyph::draw(Canvas* c, const Allocation& a) const {
if ((flags_ & trace_draw) != 0) {
heading("draw ");
print_allotment(a.allotment(Dimension_X));
printf(", ");
print_allotment(a.allotment(Dimension_Y));
if (c != nil) {
Extension e;
c->damage_area(e);
printf(
" [%.2f,%.2f %.2f,%.2f]",
e.left(), e.bottom(), e.right(), e.top()
);
}
printf("\n");
}
MonoGlyph::draw(c, a);
}
