prrulerdrawerprovider.cpp

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/*
 * 
 * prrulerdrawerprovider.cpp
 *
 *
   Copyright (C) 2006 Michael H. Overlin

   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   
   Contact at [e-mail]

 */

#include "prrulerdrawerprovider.h"

#include "..\lib\mathutils.h"

// ** DO NOT DELETE THIS COMMENT **
// I AM HARD-CODING A MINIMUM LABEL SEPARATION VALUE ("20") THAT REALLY DEPENDS
// ON THE FONT USED TO DRAW THE RULER AND ON THE SIZE OF THE TEXT DRAWN,
// WHICH ARE HARD CODED IN ListViewWindow
PR_RulerDrawerProvider::PR_RulerDrawerProvider() {
	std::vector<uint> vuiTicks;

	//vuiTicks.push_back(2);
	//vuiTicks.push_back(2);
	//vuiTicks.push_back(2);
	//m_prdInches = new RulerDrawer(vuiTicks, 5, 20, 1.0, 1, TEXT("inches"), 0, 24);

	//vuiTicks.clear();
	//vuiTicks.push_back(12);
	//vuiTicks.push_back(2);
	//vuiTicks.push_back(2);
	//// 6/1
	////m_prdFeet = new RulerDrawer(vuiTicks, 5, 20, 1.0/12, 1, TEXT("feet"), 0, 20);
	//m_prdFeet = new RulerDrawer(vuiTicks, 5, 20, 12.0, 1, TEXT("feet"), 0, 20);

	//vuiTicks.clear();
	//vuiTicks.push_back(10);
	//vuiTicks.push_back(4);
	//// 6/1
	////m_prdTenFeet = new RulerDrawer(vuiTicks, 5, 20, 1.0/120, 10, TEXT("feet"), 0, 12);
	//m_prdTenFeet = new RulerDrawer(vuiTicks, 5, 20, 120.0, 10, TEXT("feet"), 0, 12);

	vuiTicks.push_back(2);
	vuiTicks.push_back(2);
	vuiTicks.push_back(2);
	m_prdInches = new RulerDrawer(vuiTicks, 13, 20, 1.0, 1, TEXT("inches"), 0, 12);

	vuiTicks.clear();
	vuiTicks.push_back(4);
	vuiTicks.push_back(2);
	vuiTicks.push_back(2);
	m_prdInchesByFours = new RulerDrawer(vuiTicks, 13, 20, 4.0, 4, TEXT("inches"), 0, 12);

	vuiTicks.clear();
	vuiTicks.push_back(3);
	vuiTicks.push_back(4);
	m_prdFeet = new RulerDrawer(vuiTicks, 13, 20, 12.0, 1, TEXT("feet"), 0, 9);

	vuiTicks.clear();
	vuiTicks.push_back(3);
	vuiTicks.push_back(3);
	vuiTicks.push_back(4);
	m_prdYards = new RulerDrawer(vuiTicks, 13, 20, 36.0, 1, TEXT("yards"), 0, 12);

	vuiTicks.clear();
	vuiTicks.push_back(2);
	vuiTicks.push_back(5);
	m_prdTenFeet = new RulerDrawer(vuiTicks, 13, 20, (10.0*12), 10, TEXT("ten feet"), 0, 12);
}

PR_RulerDrawerProvider::~PR_RulerDrawerProvider() {
	// NOT SURE WHY delete ON A const RulerDrawer * IS ALLOWED HERE
	delete m_prdInches;
	delete m_prdFeet;
	delete m_prdTenFeet;
}

const RulerDrawer *PR_RulerDrawerProvider::GetRulerDrawer(const double& dMaxExtent) const {
	const RulerDrawer *prd = NULL;
	if (dMaxExtent < MAX_RULER_INCHES) {
		int iStop = (int) /*RoundToLong(dMaxExtent + 1);*/ ::RoundUp(dMaxExtent);

		if (1 * 4 <= iStop && iStop < 1 * 12) {
			prd = m_prdInches;
		} else if (4 * 3 <= iStop && iStop < 4 * 12) {
			prd = m_prdInchesByFours;
		} else if (12 * 3 <= iStop && iStop < 12 * 9) {
			prd = m_prdFeet;
		} else if ( 12*3 * 3 <= iStop && iStop < 12*3 * 12) {
			prd = m_prdYards;
		} else if (12*3 * 12 <= iStop && iStop < 12*10 * 12) {
			prd = m_prdTenFeet;
		}
		//if (iStop < 24) {
		//	prd = m_prdInches;
		//} else if (iStop < 20 * 12) {
		//	iStop /= 12;
		//	prd = m_prdFeet;
		//} else {
		//	iStop /= 12*10;
		//	prd = m_prdTenFeet;
		//}
	}
	return prd;
}