File indexing completed on 2024-06-16 04:17:56

 /*
  *  kis_tool_polygon.cc -- part of Krita
  *
  *  SPDX-FileCopyrightText: 2004 Michael Thaler <michael.thaler@physik.tu-muenchen.de>
  *  SPDX-FileCopyrightText: 2009 Lukáš Tvrdý <lukast.dev@gmail.com>
  *  SPDX-FileCopyrightText: 2010 Cyrille Berger <cberger@cberger.net>
  *  SPDX-FileCopyrightText: 2010 Boudewijn Rempt <boud@valdyas.org>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kis_tool_polygon.h"
 
 #include <KoPointerEvent.h>
 #include <KoCanvasBase.h>
 #include <KoPathShape.h>
 #include <KoShapeStroke.h>
 
 #include <brushengine/kis_paintop_registry.h>
 #include "kis_figure_painting_tool_helper.h"
 
 KisToolPolygon::KisToolPolygon(KoCanvasBase *canvas)
         : KisToolPolylineBase(canvas,  KisToolPolylineBase::PAINT, KisCursor::load("tool_polygon_cursor.png", 6, 6))
 {
     setObjectName("tool_polygon");
     setSupportOutline(true);
 }
 
 KisToolPolygon::~KisToolPolygon()
 {
 }
 
 void KisToolPolygon::resetCursorStyle()
 {
     if (isEraser()) {
         useCursor(KisCursor::load("tool_polygon_eraser_cursor.png", 6, 6));
     } else {
         KisToolPolylineBase::resetCursorStyle();
     }
 
     overrideCursorIfNotEditable();
 }
 
 void KisToolPolygon::finishPolyline(const QVector<QPointF>& points)
 {
     const KisToolShape::ShapeAddInfo info =
         shouldAddShape(currentNode());
 
     if (!info.shouldAddShape) {
         KisFigurePaintingToolHelper helper(kundo2_i18n("Draw Polygon"),
                                            image(),
                                            currentNode(),
                                            canvas()->resourceManager(),
                                            strokeStyle(),
                                            fillStyle(),
                                            fillTransform());
         helper.paintPolygon(points);
     } else {
         // remove the last point if it overlaps with the first
         QVector<QPointF> newPoints = points;
         if (newPoints.size() > 1 && newPoints.first() == newPoints.last()) {
             newPoints.removeLast();
         }
         KoPathShape* path = new KoPathShape();
         path->setShapeId(KoPathShapeId);
 
         QTransform resolutionMatrix;
         resolutionMatrix.scale(1 / currentImage()->xRes(), 1 / currentImage()->yRes());
         path->moveTo(resolutionMatrix.map(newPoints[0]));
         for (int i = 1; i < newPoints.size(); i++)
             path->lineTo(resolutionMatrix.map(newPoints[i]));
         path->close();
         path->normalize();
 
         info.markAsSelectionShapeIfNeeded(path);
 
         addShape(path);
     }
 }