File size: 3,709 Bytes
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*
This file is part of the LibreCAD project, a 2D CAD program
Copyright (C) 2025 LibreCAD.org
Copyright (C) 2025 sand1024
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#include "lc_overlaysmanager.h"
#include "lc_overlayentitiescontainer.h"
#include "rs_entitycontainer.h"
LC_OverlaysManager::LC_OverlaysManager() {
for (int i = 0; i < RS2::OverlayGraphics::LAST; i++){
overlays[i] = nullptr;
}
for (int i = 0; i < RS2::OverlayGraphics::LAST; i++){
entities[i] = nullptr;
}
}
LC_OverlaysManager::~LC_OverlaysManager() {
for (auto & e : overlays){
delete e;
}
for (auto & e : entities){
delete e;
}
}
void LC_OverlaysManager::setGraphic(RS_Graphic *g) {
graphic = g;
}
/**
* utility class - it's necessary for proper drawing of entities (such as RS_Point) in overlay
* which require Graphic for their drawing.
* todo - potentially, for usage in preview and overlay, it's better to have separate point entity that will not require variables and will not depend on settings - and so will use own drawing?
*/
class OverlayEntityContainer:public RS_EntityContainer {
public:
explicit OverlayEntityContainer(RS_Graphic *g):RS_EntityContainer(nullptr) {
graphic = g;
}
RS_Graphic *getGraphic() const override {
return graphic;
}
RS_Graphic *graphic;
};
RS_EntityContainer *LC_OverlaysManager::getEntitiesContainer(RS2::OverlayGraphics position) {
RS_EntityContainer* result = entities[position];
if (result != nullptr) {
return result;
}
if (position == RS2::OverlayGraphics::OverlayEffects) {
entities[position] = new OverlayEntityContainer(graphic); // fixme - check why graphics is needed there... .for ref entities and accessing variables?
} else {
entities[position] = new RS_EntityContainer(nullptr);
}
if (position == RS2::OverlayEffects) {
entities[position]->setOwner(true);
}
return entities[position];
}
LC_OverlayDrawablesContainer *LC_OverlaysManager::getDrawablesContainer(RS2::OverlayGraphics position) {
LC_OverlayDrawablesContainer* container = overlays[position];
if (container == nullptr) {
container = new LC_OverlayDrawablesContainer();
overlays[position] = container;
}
return container;
}
RS_EntityContainer *LC_OverlaysManager::entitiesAt(RS2::OverlayGraphics position) {
return entities[position];
}
void LC_OverlaysManager::addOverlay(LC_OverlayDrawable *ent, RS2::OverlayGraphics position) {
LC_OverlayDrawablesContainer* container = overlays[position];
if (container == nullptr) {
container = new LC_OverlayDrawablesContainer();
overlays[position] = container;
}
container->add(ent);
}
LC_OverlayDrawablesContainer *LC_OverlaysManager::drawablesAt(RS2::OverlayGraphics position) {
return overlays[position];
}
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