polylinetool.cpp

swain-0.5.2.zip的源代码,比较好用,希望大家喜欢.

/*
This file is part of SWAIN (http://sourceforge.net/projects/swain).
Copyright (C) 2006  Daniel Lindstr鰉 and Daniel Nilsson

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 "StdAfx.h"
#include "PolylineTool.h"
#include "PolylineObject.h"
#include "PacketPolyline.h"

PolylineTool::PolylineTool(ViewPort *vp, ObjectManager *om, ConnectionHandler *ch, int cid){
	this->om = om;
	this->vp = vp;
	this->ch = ch;
	this->cid = cid;
	this->oid = -1;
	this->color = RGB(0,0,0);
}

PolylineTool::~PolylineTool(void){

}


void PolylineTool::mouseDown(FPOINT *point){
	PolylineObject *po = new PolylineObject(this->vp, this->om, point, this->color);
	this->oid = om->addObject(po, LAYER_NORMAL);
	PacketPolyline *packet = new PacketPolyline(oid, point, this->color);
	packet->setCId(this->cid);
	ch->sendPacket(packet);
}

void PolylineTool::mouseUp(FPOINT *point){
	this->oid = -1;
}

void PolylineTool::mouseDragged(FPOINT *point){
	PolylineObject *po = dynamic_cast<PolylineObject *>(om->getObject(oid));
	if (po != NULL) {
		po->addPoint(point);
		PacketPolyline *packet = new PacketPolyline(oid, point, color);
		packet->setCId(this->cid);
		ch->sendPacket(packet);
	}
}

void PolylineTool::setColor(COLORREF color){
	this->color = color;
}