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*
This file is part of the LibreCAD project, a 2D CAD program
Copyright (C) 2024 LibreCAD.org
Copyright (C) 2024 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_align.h"
#include "rs_entity.h"
#include "rs_pen.h"
RS_Entity* LC_Align::createCloneMovedToOffset(const RS_Entity *e, const RS_Vector &offset, bool updateAttributes) {
RS_Entity *clone = e->clone();
clone->move(offset);
if (updateAttributes){
clone->setLayer(e->getLayer());
clone->setPen(e->getPen(false));
}
return clone;
}
RS_Entity *LC_Align::createCloneMovedToTarget(const RS_Entity *e, const RS_Vector &targetPoint, bool updateAttributes, int horizontalAlign, int verticalAlign) {
RS_Vector entityRefPoint = getReferencePoint(e->getMin(), e->getMax(), horizontalAlign, verticalAlign);
RS_Vector offset = targetPoint - entityRefPoint;
RS_Entity* clone = createCloneMovedToOffset(e, offset, updateAttributes);
return clone;
}
RS_Vector LC_Align::getReferencePoint(const RS_Vector &min, const RS_Vector &max, int horizontalAlign, int verticalAlign) {
double x = 0;
double y = 0;
switch (horizontalAlign) {
case LEFT_TOP:
x = min.x;
break;
case MIDDLE:
x = (min.x + max.x) / 2;
break;
case RIGHT_BOTTOM:
x = max.x;
break;
default:
break;
}
switch (verticalAlign) {
case LEFT_TOP:
y = max.y;
break;
case MIDDLE:
y = (min.y + max.y) / 2;
break;
case RIGHT_BOTTOM:
y = min.y;
break;
default:
break;
}
return RS_Vector(x, y);
}
void LC_Align::collectSelectionBounds( std::vector<RS_Entity*> selectedEntities, RS_Vector &boxMin, RS_Vector &boxMax) {
RS_Vector minV;
RS_Vector maxV;
for (auto e: selectedEntities) {
minV = RS_Vector::minimum(e->getMin(), minV);
maxV = RS_Vector::maximum(e->getMax(), maxV);
}
boxMin = minV;
boxMax = maxV;
}
bool LC_Align::getVerticalRefCoordinate(const RS_Vector &min, const RS_Vector &max, int verticalAlign, double &refCoordinate) {
bool hasRefPoint = true;
switch (verticalAlign) {
case LC_Align::LEFT_TOP: {
refCoordinate = min.x;
break;
}
case LC_Align::MIDDLE: {
refCoordinate = (min.x + max.x) / 2.0;
break;
}
case LC_Align::RIGHT_BOTTOM: {
refCoordinate = max.x;
break;
}
default: {
hasRefPoint = false;
}
}
return hasRefPoint;
}
bool LC_Align::getHorizontalRefCoordinate(const RS_Vector &min, const RS_Vector &max, int verticalAlign, double &refCoordinate) {
bool hasRefPoint = true;
switch (verticalAlign) {
case LC_Align::LEFT_TOP: {
refCoordinate = max.y;
break;
}
case LC_Align::MIDDLE: {
refCoordinate = (min.y + max.y) / 2.0;
break;
}
case LC_Align::RIGHT_BOTTOM: {
refCoordinate = min.y;
break;
}
default: {
hasRefPoint = false;
}
}
return hasRefPoint;
}
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