File size: 3,242 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_rectregion.h"
LC_RectRegion::LC_RectRegion() {}
void LC_RectRegion::setCorners(RS_Vector lBottom, RS_Vector lTop, RS_Vector rTop, RS_Vector rBottom){
leftBottom = lBottom;
leftTop = lTop;
rightBottom = rBottom;
rightTop = rTop;
updateOther();
}
RS_Vector LC_RectRegion::getRotatedPoint(RS_Vector vect, double angle) {
RS_Vector result = vect;
result.rotate(leftBottom, angle);
return result;
}
LC_RectRegion* LC_RectRegion::getRotated(double angle) {
LC_RectRegion* result = new LC_RectRegion();
RS_Vector ltop = leftTop;
ltop.rotate(leftBottom, angle);
RS_Vector rtop = rightTop;
rtop.rotate(leftBottom, angle);
RS_Vector rbottom = rightBottom;
rbottom.rotate(leftBottom, angle);
result->setCorners(leftBottom, ltop, rtop, rbottom);
return result;
}
void LC_RectRegion::updateOther(){
midLeft = (leftBottom + leftTop) * 0.5;
midRight = (rightBottom + rightTop) * 0.5;
midBottom = (rightBottom + leftBottom) * 0.5;
midTop = (rightTop + leftTop) * 0.5;
center = (rightBottom + leftTop) * 0.5;
allPoints[0] = leftBottom;
allPoints[1] = midLeft;
allPoints[2] = leftTop;
allPoints[3] = midTop;
allPoints[4] = rightTop;
allPoints[5] = midRight;
allPoints[6] = rightBottom;
allPoints[7] = midBottom;
corners[0] = leftBottom;
corners[1] = leftTop;
corners[2] = rightTop;
corners[3] = rightBottom;
}
void LC_RectRegion::rotate(double angle){
RS_Vector center = leftBottom;
RS_Vector angleVector{angle};
leftTop.rotate(center, angleVector);
rightBottom.rotate(center, angleVector);
rightTop.rotate(center, angleVector);
updateOther();
}
void LC_RectRegion::move(RS_Vector offset){
leftBottom.move(offset);
leftTop.move(offset);
rightBottom.move(offset);
rightTop.move(offset);
updateOther();
}
void LC_RectRegion::scale(RS_Vector factor){
RS_Vector center = leftBottom;
leftTop.scale(center, factor);
rightBottom.scale(center, factor);
rightTop.scale(center, factor);
updateOther();
}
LC_TransformData LC_RectRegion::determineTransformData([[maybe_unused]]RS_Vector ref, [[maybe_unused]] RS_Vector newRef) {
return LC_TransformData();
}
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