648 lines
20 KiB
C++
648 lines
20 KiB
C++
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/**
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******************************************************************************
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*
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* @file core.cpp
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
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* @brief
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* @see The GNU Public License (GPL) Version 3
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* @defgroup OPMapWidget
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* @{
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "core.h"
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#ifdef DEBUG_CORE
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qlonglong internals::Core::debugcounter = 0;
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#endif
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using namespace projections;
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namespace internals {
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Core::Core() : MouseWheelZooming(false), currentPosition(0, 0), currentPositionPixel(0, 0), LastLocationInBounds(-1, -1), sizeOfMapArea(0, 0)
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, minOfTiles(0, 0), maxOfTiles(0, 0), zoom(0), isDragging(false), TooltipTextPadding(10, 10), loaderLimit(5), maxzoom(21), runningThreads(0), started(false)
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{
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mousewheelzoomtype = MouseWheelZoomType::MousePositionAndCenter;
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SetProjection(new MercatorProjection());
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this->setAutoDelete(false);
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ProcessLoadTaskCallback.setMaxThreadCount(10);
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renderOffset = Point(0, 0);
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dragPoint = Point(0, 0);
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CanDragMap = true;
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tilesToload = 0;
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OPMaps::Instance();
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}
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Core::~Core()
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{
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ProcessLoadTaskCallback.waitForDone();
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}
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void Core::run()
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{
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MrunningThreads.lock();
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++runningThreads;
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MrunningThreads.unlock();
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#ifdef DEBUG_CORE
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qlonglong debug;
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Mdebug.lock();
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debug = ++debugcounter;
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Mdebug.unlock();
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qDebug() << "core:run" << " ID=" << debug;
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#endif // DEBUG_CORE
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bool last = false;
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LoadTask task;
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MtileLoadQueue.lock();
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{
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if (tileLoadQueue.count() > 0) {
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task = tileLoadQueue.dequeue();
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{
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last = (tileLoadQueue.count() == 0);
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#ifdef DEBUG_CORE
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qDebug() << "TileLoadQueue: " << tileLoadQueue.count() << " Point:" << task.Pos.ToString() << " ID=" << debug;;
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#endif // DEBUG_CORE
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}
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}
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}
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MtileLoadQueue.unlock();
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if (task.HasValue()) {
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if (loaderLimit.tryAcquire(1, OPMaps::Instance()->Timeout)) {
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MtileToload.lock();
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--tilesToload;
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MtileToload.unlock();
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#ifdef DEBUG_CORE
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qDebug() << "loadLimit semaphore aquired " << loaderLimit.available() << " ID=" << debug << " TASK=" << task.Pos.ToString() << " " << task.Zoom;
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#endif // DEBUG_CORE
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{
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#ifdef DEBUG_CORE
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qDebug() << "task as value, begining get" << " ID=" << debug;;
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#endif // DEBUG_CORE
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{
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Tile *m = Matrix.TileAt(task.Pos);
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if (m == 0 || m->Overlays.count() == 0) {
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#ifdef DEBUG_CORE
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qDebug() << "Fill empty TileMatrix: " + task.ToString() << " ID=" << debug;;
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#endif // DEBUG_CORE
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Tile *t = new Tile(task.Zoom, task.Pos);
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QVector<MapType::Types> layers = OPMaps::Instance()->GetAllLayersOfType(GetMapType());
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foreach(MapType::Types tl, layers) {
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int retry = 0;
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do {
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QByteArray img;
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// tile number inversion(BottomLeft -> TopLeft) for pergo maps
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if (tl == MapType::PergoTurkeyMap) {
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img = OPMaps::Instance()->GetImageFrom(tl, Point(task.Pos.X(), maxOfTiles.Height() - task.Pos.Y()), task.Zoom);
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} else { // ok
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#ifdef DEBUG_CORE
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qDebug() << "start getting image" << " ID=" << debug;
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#endif // DEBUG_CORE
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img = OPMaps::Instance()->GetImageFrom(tl, task.Pos, task.Zoom);
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#ifdef DEBUG_CORE
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qDebug() << "Core::run:gotimage size:" << img.count() << " ID=" << debug << " time=" << t.elapsed();
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#endif // DEBUG_CORE
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}
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if (img.length() != 0) {
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Moverlays.lock();
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{
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t->Overlays.append(img);
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#ifdef DEBUG_CORE
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qDebug() << "Core::run append img:" << img.length() << " to tile:" << t->GetPos().ToString() << " now has " << t->Overlays.count() << " overlays" << " ID=" << debug;
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#endif // DEBUG_CORE
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}
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Moverlays.unlock();
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break;
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} else if (OPMaps::Instance()->RetryLoadTile > 0) {
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#ifdef DEBUG_CORE
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qDebug() << "ProcessLoadTask: " << task.ToString() << " -> empty tile, retry " << retry << " ID=" << debug;;
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#endif // DEBUG_CORE
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{
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QWaitCondition wait;
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QMutex m;
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m.lock();
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wait.wait(&m, 500);
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}
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}
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} while (++retry < OPMaps::Instance()->RetryLoadTile);
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}
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if (t->Overlays.count() > 0) {
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Matrix.SetTileAt(task.Pos, t);
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emit OnNeedInvalidation();
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#ifdef DEBUG_CORE
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qDebug() << "Core::run add tile " << t->GetPos().ToString() << " to matrix index " << task.Pos.ToString() << " ID=" << debug;
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qDebug() << "Core::run matrix index " << task.Pos.ToString() << " as tile with " << Matrix.TileAt(task.Pos)->Overlays.count() << " ID=" << debug;
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#endif // DEBUG_CORE
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} else {
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// emit OnTilesStillToLoad(tilesToload);
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delete t;
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t = 0;
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emit OnNeedInvalidation();
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}
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// layers = null;
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}
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}
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{
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// last buddy cleans stuff ;}
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if (last) {
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OPMaps::Instance()->kiberCacheLock.lockForWrite();
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OPMaps::Instance()->TilesInMemory.RemoveMemoryOverload();
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OPMaps::Instance()->kiberCacheLock.unlock();
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MtileDrawingList.lock();
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{
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Matrix.ClearPointsNotIn(tileDrawingList);
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}
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MtileDrawingList.unlock();
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emit OnTileLoadComplete();
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emit OnNeedInvalidation();
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}
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}
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}
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#ifdef DEBUG_CORE
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qDebug() << "loaderLimit release:" + loaderLimit.available() << " ID=" << debug;
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#endif
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emit OnTilesStillToLoad(tilesToload < 0 ? 0 : tilesToload);
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loaderLimit.release();
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}
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}
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MrunningThreads.lock();
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--runningThreads;
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MrunningThreads.unlock();
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}
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diagnostics Core::GetDiagnostics()
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{
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MrunningThreads.lock();
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diag = OPMaps::Instance()->GetDiagnostics();
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diag.runningThreads = runningThreads;
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MrunningThreads.unlock();
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return diag;
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}
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void Core::SetZoom(const int &value)
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{
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if (!isDragging) {
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zoom = value;
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minOfTiles = Projection()->GetTileMatrixMinXY(value);
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maxOfTiles = Projection()->GetTileMatrixMaxXY(value);
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currentPositionPixel = Projection()->FromLatLngToPixel(currentPosition, value);
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if (started) {
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MtileLoadQueue.lock();
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tileLoadQueue.clear();
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MtileLoadQueue.unlock();
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MtileToload.lock();
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tilesToload = 0;
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MtileToload.unlock();
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Matrix.Clear();
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GoToCurrentPositionOnZoom();
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UpdateBounds();
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keepInBounds();
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emit OnMapDrag();
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emit OnMapZoomChanged();
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emit OnNeedInvalidation();
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}
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}
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}
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void Core::SetCurrentPosition(const PointLatLng &value)
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{
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if (!IsDragging()) {
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currentPosition = value;
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SetCurrentPositionGPixel(Projection()->FromLatLngToPixel(value, Zoom()));
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if (started) {
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GoToCurrentPosition();
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emit OnCurrentPositionChanged(currentPosition);
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}
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} else {
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currentPosition = value;
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SetCurrentPositionGPixel(Projection()->FromLatLngToPixel(value, Zoom()));
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if (started) {
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emit OnCurrentPositionChanged(currentPosition);
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}
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}
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}
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void Core::SetMapType(const MapType::Types &value)
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{
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if (value != GetMapType()) {
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mapType = value;
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switch (value) {
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case MapType::ArcGIS_Map:
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case MapType::ArcGIS_Satellite:
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case MapType::ArcGIS_ShadedRelief:
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case MapType::ArcGIS_Terrain:
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{
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if (Projection()->Type() != "PlateCarreeProjection") {
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SetProjection(new PlateCarreeProjection());
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maxzoom = 13;
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}
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}
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break;
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case MapType::ArcGIS_MapsLT_Map_Hybrid:
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case MapType::ArcGIS_MapsLT_Map_Labels:
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case MapType::ArcGIS_MapsLT_Map:
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case MapType::ArcGIS_MapsLT_OrtoFoto:
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{
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if (Projection()->Type() != "LKS94Projection") {
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SetProjection(new LKS94Projection());
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maxzoom = 11;
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}
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}
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break;
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case MapType::PergoTurkeyMap:
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{
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if (Projection()->Type() != "PlateCarreeProjectionPergo") {
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SetProjection(new PlateCarreeProjectionPergo());
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maxzoom = 17;
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}
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}
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break;
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case MapType::YandexMapRu:
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{
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if (Projection()->Type() != "MercatorProjectionYandex") {
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SetProjection(new MercatorProjectionYandex());
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maxzoom = 13;
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}
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}
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break;
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default:
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{
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if (Projection()->Type() != "MercatorProjection") {
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SetProjection(new MercatorProjection());
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maxzoom = 21;
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}
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}
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break;
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}
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minOfTiles = Projection()->GetTileMatrixMinXY(Zoom());
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maxOfTiles = Projection()->GetTileMatrixMaxXY(Zoom());
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SetCurrentPositionGPixel(Projection()->FromLatLngToPixel(CurrentPosition(), Zoom()));
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if (started) {
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CancelAsyncTasks();
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OnMapSizeChanged(Width, Height);
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GoToCurrentPosition();
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ReloadMap();
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GoToCurrentPosition();
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emit OnMapTypeChanged(value);
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}
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}
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}
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void Core::StartSystem()
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{
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if (!started) {
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started = true;
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ReloadMap();
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GoToCurrentPosition();
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}
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}
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void Core::UpdateCenterTileXYLocation()
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{
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PointLatLng center = FromLocalToLatLng(Width / 2, Height / 2);
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Point centerPixel = Projection()->FromLatLngToPixel(center, Zoom());
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centerTileXYLocation = Projection()->FromPixelToTileXY(centerPixel);
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}
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void Core::OnMapSizeChanged(int const & width, int const & height)
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{
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Width = width;
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Height = height;
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sizeOfMapArea.SetWidth(1 + (Width / Projection()->TileSize().Width()) / 2);
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sizeOfMapArea.SetHeight(1 + (Height / Projection()->TileSize().Height()) / 2);
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UpdateCenterTileXYLocation();
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if (started) {
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UpdateBounds();
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emit OnCurrentPositionChanged(currentPosition);
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}
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}
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void Core::OnMapClose()
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{
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// if(waitOnEmptyTasks != null)
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// {
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// try
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// {
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// waitOnEmptyTasks.Set();
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// waitOnEmptyTasks.Close();
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// }
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// catch
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// {
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// }
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// }
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CancelAsyncTasks();
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}
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GeoCoderStatusCode::Types Core::SetCurrentPositionByKeywords(QString const & keys)
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{
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GeoCoderStatusCode::Types status = GeoCoderStatusCode::Unknow;
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PointLatLng pos = OPMaps::Instance()->GetLatLngFromGeodecoder(keys, status);
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if (!pos.IsEmpty() && (status == GeoCoderStatusCode::G_GEO_SUCCESS)) {
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SetCurrentPosition(pos);
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}
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return status;
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}
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RectLatLng Core::CurrentViewArea()
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{
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||
|
|
PointLatLng p = Projection()->FromPixelToLatLng(-renderOffset.X(), -renderOffset.Y(), Zoom());
|
||
|
|
double rlng = Projection()->FromPixelToLatLng(-renderOffset.X() + Width, -renderOffset.Y(), Zoom()).Lng();
|
||
|
|
double blat = Projection()->FromPixelToLatLng(-renderOffset.X(), -renderOffset.Y() + Height, Zoom()).Lat();
|
||
|
|
|
||
|
|
return RectLatLng::FromLTRB(p.Lng(), p.Lat(), rlng, blat);
|
||
|
|
}
|
||
|
|
PointLatLng Core::FromLocalToLatLng(int const & x, int const & y)
|
||
|
|
{
|
||
|
|
return Projection()->FromPixelToLatLng(Point(x - renderOffset.X(), y - renderOffset.Y()), Zoom());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
Point Core::FromLatLngToLocal(PointLatLng const & latlng)
|
||
|
|
{
|
||
|
|
Point pLocal = Projection()->FromLatLngToPixel(latlng, Zoom());
|
||
|
|
|
||
|
|
pLocal.Offset(renderOffset);
|
||
|
|
return pLocal;
|
||
|
|
}
|
||
|
|
int Core::GetMaxZoomToFitRect(RectLatLng const & rect)
|
||
|
|
{
|
||
|
|
int zoom = 0;
|
||
|
|
|
||
|
|
for (int i = 1; i <= MaxZoom(); i++) {
|
||
|
|
Point p1 = Projection()->FromLatLngToPixel(rect.LocationTopLeft(), i);
|
||
|
|
Point p2 = Projection()->FromLatLngToPixel(rect.Bottom(), rect.Right(), i);
|
||
|
|
|
||
|
|
if (((p2.X() - p1.X()) <= Width + 10) && (p2.Y() - p1.Y()) <= Height + 10) {
|
||
|
|
zoom = i;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return zoom;
|
||
|
|
}
|
||
|
|
void Core::BeginDrag(Point const & pt)
|
||
|
|
{
|
||
|
|
dragPoint.SetX(pt.X() - renderOffset.X());
|
||
|
|
dragPoint.SetY(pt.Y() - renderOffset.Y());
|
||
|
|
isDragging = true;
|
||
|
|
}
|
||
|
|
void Core::EndDrag()
|
||
|
|
{
|
||
|
|
isDragging = false;
|
||
|
|
emit OnNeedInvalidation();
|
||
|
|
}
|
||
|
|
void Core::ReloadMap()
|
||
|
|
{
|
||
|
|
if (started) {
|
||
|
|
#ifdef DEBUG_CORE
|
||
|
|
qDebug() << "------------------";
|
||
|
|
#endif // DEBUG_CORE
|
||
|
|
|
||
|
|
MtileLoadQueue.lock();
|
||
|
|
{
|
||
|
|
tileLoadQueue.clear();
|
||
|
|
}
|
||
|
|
MtileLoadQueue.unlock();
|
||
|
|
MtileToload.lock();
|
||
|
|
tilesToload = 0;
|
||
|
|
MtileToload.unlock();
|
||
|
|
Matrix.Clear();
|
||
|
|
|
||
|
|
emit OnNeedInvalidation();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void Core::GoToCurrentPosition()
|
||
|
|
{
|
||
|
|
// reset stuff
|
||
|
|
renderOffset = Point::Empty;
|
||
|
|
centerTileXYLocationLast = Point::Empty;
|
||
|
|
dragPoint = Point::Empty;
|
||
|
|
|
||
|
|
// goto location
|
||
|
|
Drag(Point(-(GetcurrentPositionGPixel().X() - Width / 2), -(GetcurrentPositionGPixel().Y() - Height / 2)));
|
||
|
|
}
|
||
|
|
void Core::GoToCurrentPositionOnZoom()
|
||
|
|
{
|
||
|
|
// reset stuff
|
||
|
|
renderOffset = Point::Empty;
|
||
|
|
centerTileXYLocationLast = Point::Empty;
|
||
|
|
dragPoint = Point::Empty;
|
||
|
|
|
||
|
|
// goto location and centering
|
||
|
|
if (MouseWheelZooming) {
|
||
|
|
if (mousewheelzoomtype != MouseWheelZoomType::MousePositionWithoutCenter) {
|
||
|
|
Point pt = Point(-(GetcurrentPositionGPixel().X() - Width / 2), -(GetcurrentPositionGPixel().Y() - Height / 2));
|
||
|
|
renderOffset.SetX(pt.X() - dragPoint.X());
|
||
|
|
renderOffset.SetY(pt.Y() - dragPoint.Y());
|
||
|
|
} else { // without centering
|
||
|
|
renderOffset.SetX(-GetcurrentPositionGPixel().X() - dragPoint.X());
|
||
|
|
renderOffset.SetY(-GetcurrentPositionGPixel().Y() - dragPoint.Y());
|
||
|
|
renderOffset.Offset(mouseLastZoom);
|
||
|
|
}
|
||
|
|
} else { // use current map center
|
||
|
|
mouseLastZoom = Point::Empty;
|
||
|
|
|
||
|
|
Point pt = Point(-(GetcurrentPositionGPixel().X() - Width / 2), -(GetcurrentPositionGPixel().Y() - Height / 2));
|
||
|
|
renderOffset.SetX(pt.X() - dragPoint.X());
|
||
|
|
renderOffset.SetY(pt.Y() - dragPoint.Y());
|
||
|
|
}
|
||
|
|
|
||
|
|
UpdateCenterTileXYLocation();
|
||
|
|
}
|
||
|
|
void Core::DragOffset(Point const & offset)
|
||
|
|
{
|
||
|
|
renderOffset.Offset(offset);
|
||
|
|
|
||
|
|
UpdateCenterTileXYLocation();
|
||
|
|
|
||
|
|
if (centerTileXYLocation != centerTileXYLocationLast) {
|
||
|
|
centerTileXYLocationLast = centerTileXYLocation;
|
||
|
|
UpdateBounds();
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
LastLocationInBounds = CurrentPosition();
|
||
|
|
SetCurrentPosition(FromLocalToLatLng((int)Width / 2, (int)Height / 2));
|
||
|
|
}
|
||
|
|
|
||
|
|
emit OnNeedInvalidation();
|
||
|
|
emit OnMapDrag();
|
||
|
|
}
|
||
|
|
void Core::Drag(Point const & pt)
|
||
|
|
{
|
||
|
|
renderOffset.SetX(pt.X() - dragPoint.X());
|
||
|
|
renderOffset.SetY(pt.Y() - dragPoint.Y());
|
||
|
|
keepInBounds();
|
||
|
|
UpdateCenterTileXYLocation();
|
||
|
|
|
||
|
|
if (centerTileXYLocation != centerTileXYLocationLast) {
|
||
|
|
centerTileXYLocationLast = centerTileXYLocation;
|
||
|
|
UpdateBounds();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (IsDragging()) {
|
||
|
|
LastLocationInBounds = CurrentPosition();
|
||
|
|
SetCurrentPosition(FromLocalToLatLng((int)Width / 2, (int)Height / 2));
|
||
|
|
}
|
||
|
|
|
||
|
|
emit OnNeedInvalidation();
|
||
|
|
|
||
|
|
|
||
|
|
emit OnMapDrag();
|
||
|
|
}
|
||
|
|
void Core::CancelAsyncTasks()
|
||
|
|
{
|
||
|
|
if (started) {
|
||
|
|
ProcessLoadTaskCallback.waitForDone();
|
||
|
|
MtileLoadQueue.lock();
|
||
|
|
{
|
||
|
|
tileLoadQueue.clear();
|
||
|
|
// tilesToload=0;
|
||
|
|
}
|
||
|
|
MtileLoadQueue.unlock();
|
||
|
|
MtileToload.lock();
|
||
|
|
tilesToload = 0;
|
||
|
|
MtileToload.unlock();
|
||
|
|
// ProcessLoadTaskCallback.waitForDone();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void Core::UpdateBounds()
|
||
|
|
{
|
||
|
|
MtileDrawingList.lock();
|
||
|
|
{
|
||
|
|
FindTilesAround(tileDrawingList);
|
||
|
|
|
||
|
|
#ifdef DEBUG_CORE
|
||
|
|
qDebug() << "OnTileLoadStart: " << tileDrawingList.count() << " tiles to load at zoom " << Zoom() << ", time: " << QDateTime::currentDateTime().date();
|
||
|
|
#endif // DEBUG_CORE
|
||
|
|
|
||
|
|
emit OnTileLoadStart();
|
||
|
|
|
||
|
|
|
||
|
|
foreach(Point p, tileDrawingList) {
|
||
|
|
LoadTask task = LoadTask(p, Zoom());
|
||
|
|
{
|
||
|
|
MtileLoadQueue.lock();
|
||
|
|
{
|
||
|
|
if (!tileLoadQueue.contains(task)) {
|
||
|
|
MtileToload.lock();
|
||
|
|
++tilesToload;
|
||
|
|
MtileToload.unlock();
|
||
|
|
tileLoadQueue.enqueue(task);
|
||
|
|
#ifdef DEBUG_CORE
|
||
|
|
qDebug() << "Core::UpdateBounds new Task" << task.Pos.ToString();
|
||
|
|
#endif // DEBUG_CORE
|
||
|
|
ProcessLoadTaskCallback.start(this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
MtileLoadQueue.unlock();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
MtileDrawingList.unlock();
|
||
|
|
UpdateGroundResolution();
|
||
|
|
}
|
||
|
|
void Core::FindTilesAround(QList<Point> &list)
|
||
|
|
{
|
||
|
|
list.clear();;
|
||
|
|
for (int i = -sizeOfMapArea.Width(); i <= sizeOfMapArea.Width(); i++) {
|
||
|
|
for (int j = -sizeOfMapArea.Height(); j <= sizeOfMapArea.Height(); j++) {
|
||
|
|
Point p = centerTileXYLocation;
|
||
|
|
p.SetX(p.X() + i);
|
||
|
|
p.SetY(p.Y() + j);
|
||
|
|
|
||
|
|
// if(p.X < minOfTiles.Width)
|
||
|
|
// {
|
||
|
|
// p.X += (maxOfTiles.Width + 1);
|
||
|
|
// }
|
||
|
|
|
||
|
|
// if(p.X > maxOfTiles.Width)
|
||
|
|
// {
|
||
|
|
// p.X -= (maxOfTiles.Width + 1);
|
||
|
|
// }
|
||
|
|
|
||
|
|
if (p.X() >= minOfTiles.Width() && p.Y() >= minOfTiles.Height() && p.X() <= maxOfTiles.Width() && p.Y() <= maxOfTiles.Height()) {
|
||
|
|
if (!list.contains(p)) {
|
||
|
|
list.append(p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void Core::UpdateGroundResolution()
|
||
|
|
{
|
||
|
|
double rez = Projection()->GetGroundResolution(Zoom(), CurrentPosition().Lat());
|
||
|
|
|
||
|
|
pxRes100m = (int)(100.0 / rez); // 100 meters
|
||
|
|
pxRes1000m = (int)(1000.0 / rez); // 1km
|
||
|
|
pxRes10km = (int)(10000.0 / rez); // 10km
|
||
|
|
pxRes100km = (int)(100000.0 / rez); // 100km
|
||
|
|
pxRes1000km = (int)(1000000.0 / rez); // 1000km
|
||
|
|
pxRes5000km = (int)(5000000.0 / rez); // 5000km
|
||
|
|
}
|
||
|
|
void Core::keepInBounds()
|
||
|
|
{
|
||
|
|
if (renderOffset.X() > 0) {
|
||
|
|
renderOffset.SetX(0);
|
||
|
|
}
|
||
|
|
if (renderOffset.Y() > 0) {
|
||
|
|
renderOffset.SetY(0);
|
||
|
|
}
|
||
|
|
int maxDragY = GetCurrentRegion().Height() - GettileRect().Height() * (maxOfTiles.Height() - minOfTiles.Height() + 1);
|
||
|
|
int maxDragX = GetCurrentRegion().Width() - GettileRect().Width() * (maxOfTiles.Width() - minOfTiles.Width() + 1);
|
||
|
|
|
||
|
|
if (maxDragY > renderOffset.Y()) {
|
||
|
|
renderOffset.SetY(maxDragY);
|
||
|
|
}
|
||
|
|
if (maxDragX > renderOffset.X()) {
|
||
|
|
renderOffset.SetX(maxDragX);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|