#include "plot-auto.h" void plot_auto::add(sg_object* vs, agg::rgba8& color, bool outline) { item d(vs, color, outline); if (!this->fit_inside(vs)) { this->m_bbox_updated = false; this->m_need_redraw = true; this->m_enlarged_layer = true; } list *nn = new list(d); this->m_drawing_queue = list::push_back(this->m_drawing_queue, nn); RM::acquire(vs); } void plot_auto::check_bounding_box() { this->calc_bounding_box(); this->update_units(); this->m_bbox_updated = true; } void plot_auto::calc_layer_bounding_box(plot_auto::item_list* layer, opt_rect& rect) { for (unsigned j = 0; j < layer->size(); j++) { item& d = (*layer)[j]; agg::rect_base r; d.vs->bounding_box(&r.x1, &r.y1, &r.x2, &r.y2); rect.add(r); } } void plot_auto::calc_bounding_box() { opt_rect box; unsigned n = this->nb_layers(); for (unsigned j = 0; j < n-1; j++) { box.add(this->get_layer(j)->bounding_box()); } calc_layer_bounding_box(this->get_layer(n-1), box); for (list *t = this->m_drawing_queue; t; t = t->next()) { const item& d = t->content(); agg::rect_base r; d.vs->bounding_box(&r.x1, &r.y1, &r.x2, &r.y2); box.add(r); } this->m_rect = box; } bool plot_auto::fit_inside(sg_object* obj) const { if (!this->m_bbox_updated || !this->m_rect.is_defined()) return false; agg::rect_base r; obj->bounding_box(&r.x1, &r.y1, &r.x2, &r.y2); const agg::rect_base& bb = this->m_rect.rect(); return bb.hit_test(r.x1, r.y1) && bb.hit_test(r.x2, r.y2); } void plot_auto::set_opt_limits(const opt_rect& r) { if (r.is_defined()) this->set_limits(r.rect()); else this->unset_limits(); } bool plot_auto::push_layer() { bool retval = this->plot::push_layer(); if (this->m_rect.is_defined()) this->parent_layer()->set_bounding_box(this->m_rect.rect()); this->m_bbox_updated = true; this->m_enlarged_layer = false; return retval; } bool plot_auto::pop_layer() { bool retval = this->plot::pop_layer(); if (this->m_enlarged_layer) this->m_bbox_updated = false; this->m_enlarged_layer = true; return retval; } void plot_auto::clear_current_layer() { this->plot::clear_current_layer(); if (this->m_enlarged_layer) { item_list* parent = this->parent_layer(); if (parent) set_opt_limits(parent->bounding_box()); else this->unset_limits(); } this->m_bbox_updated = true; this->m_enlarged_layer = false; }