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path: root/support/dktools/WxdkdrawControlTools.cpp
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/*
Copyright (C) 2019-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: WxdkdrawControlTools.cpt
*/

/**	@file WxdkdrawControlTools.cpp The WxdkdrawControlTools module.
*/


#line 10 "WxdkdrawControlTools.cpt"


#include "wxdkdraw.h"

#ifndef	WXDKDRAWFRAME_H_INCLUDED
#include "WxdkdrawFrame.h"
#endif





#line 21 "WxdkdrawControlTools.cpt"



void
WxdkdrawFrame::Control::CalculateZoomFactor(void)
{
	int8_t	zl;			/* Local copy of zoom level to analyze */

	m_dZoom = 1.0;
	if (NULL != m_pParent) {
		if (NULL != m_pParent->m_pDrw) {
			if ((uint8_t)0U != m_pParent->m_pDrw->gridunit) {
				/* Grid is in cm */
				m_uGridOptical = 6400000UL;
			}
			else {
				/* Grid is inch based (1/2 inch) */
				m_uGridOptical = 8128000UL;
			}
			zl = m_pParent->m_pDrw->zl;
			if ((int8_t)0 < zl) {
				while ((int8_t)1 < zl) {
					zl -= (int8_t)2;
					m_dZoom *= 2.0;
					m_uGridOptical /= (uint32_t)2UL;
				}
				if ((int8_t)0 < zl) {
					m_dZoom *= M_SQRT2;
					m_uGridOptical /= (uint32_t)2UL;
				}
			}
			else {
				if ((int8_t)0 > zl) {
					while ((int8_t)(-1) > zl) {
						zl += (int8_t)2;
						m_dZoom /= 2.0;
						m_uGridOptical *= (uint32_t)2UL;
					}
					if ((int8_t)0 > zl) {
						m_dZoom /= M_SQRT2;
						m_uGridOptical *= (uint32_t)2UL;
					}
				}
			}
			if ((uint8_t)0U != m_pParent->m_pDrw->gridbase) {
				m_uGridSnap = m_uGridOptical / (uint32_t)5UL;
			}
			else {
				m_uGridSnap = m_uGridOptical / (uint32_t)4UL;
			}
		}
	}
}



void
WxdkdrawFrame::Control::CalculateGridDistances(void)
{

	int8_t	zl;			/* Local copy of zoom level to analyze */

	if (NULL != m_pParent) {
		if (NULL != m_pParent->m_pDrw) {
			if ((uint8_t)0U != m_pParent->m_pDrw->gridunit) {
				/* Grid is in cm */
				m_uGridOptical = 6400000UL;
			}
			else {
				/* Grid is inch based (1/2 inch) */
				m_uGridOptical = 8128000UL;
			}
			zl = m_pParent->m_pDrw->zl;
			if ((int8_t)0 < zl) {
				while ((int8_t)1 < zl) {
					zl -= (int8_t)2;
					m_uGridOptical /= (uint32_t)2UL;
				}
				if ((int8_t)0 < zl) {
					m_uGridOptical /= (uint32_t)2UL;
				}
			}
			else {
				if ((int8_t)0 > zl) {
					while ((int8_t)(-1) > zl) {
						zl += (int8_t)2;
						m_uGridOptical *= (uint32_t)2UL;
					}
					if ((int8_t)0 > zl) {
						m_uGridOptical *= (uint32_t)2UL;
					}
				}
			}
			if ((uint8_t)0U != m_pParent->m_pDrw->gridbase) {
				m_uGridSnap = m_uGridOptical / (uint32_t)5UL;
			}
			else {
				m_uGridSnap = m_uGridOptical / (uint32_t)4UL;
			}
		}
	}
}



void
WxdkdrawFrame::Control::CalculateConversionCoefficients(void)
{
	

#line 130 "WxdkdrawControlTools.cpt"
	m_ptM.x =	(m_ptRes.x * m_dZoom) / 16256000.0;
	m_ptN.x =	(double)(m_szDrawco.GetWidth()) / 2.0;
	m_ptN.x -=	((double)(m_pParent->m_pDrw->cx) * m_ptRes.x * m_dZoom)
				/ 16256000.0;
	m_ptM.y =	0.0 - (m_ptRes.y * m_dZoom) / 16256000.0;
	m_ptN.y =	(double)(m_szDrawco.GetHeight()) / 2.0;
	m_ptN.y +=	((double)(m_pParent->m_pDrw->cy) * m_ptRes.y * m_dZoom)
				/ 16256000.0;
	

#line 139 "WxdkdrawControlTools.cpt"
	

#line 140 "WxdkdrawControlTools.cpt"
	

#line 141 "WxdkdrawControlTools.cpt"
}



double
WxdkdrawFrame::Control::ConvDist(double d)
{
#if	TRACE_DEBUG
	double	back;
	back = fabs(m_ptM.x * d);
	

#line 152 "WxdkdrawControlTools.cpt"
	return back;
#else
	return (fabs(m_ptM.x * d));
#endif
}



double
WxdkdrawFrame::Control::ConvX(double x)
{
#if	TRACE_DEBUG
	double	back;
	back = m_ptM.x * x + m_ptN.x;
	

#line 167 "WxdkdrawControlTools.cpt"
	return back;
#else
	return (m_ptM.x * x + m_ptN.x);
#endif
}



double
WxdkdrawFrame::Control::ConvY(double y)
{
#if	TRACE_DEBUG
	double	back;
	back = m_ptM.y * y + m_ptN.y;
	

#line 182 "WxdkdrawControlTools.cpt"
	return back;
#else
	return (m_ptM.y * y + m_ptN.y);
#endif
}



double
WxdkdrawFrame::Control::ConvDist(int32_t d)
{
	return (ConvDist((double)d));
}



double
WxdkdrawFrame::Control::ConvX(int32_t x)
{
	return (ConvX((double)x));
}



double
WxdkdrawFrame::Control::ConvY(int32_t y)
{
	return (ConvY((double)y));
}



double
WxdkdrawFrame::Control::InvX(double x)
{
#if	TRACE_DEBUG
	double	back;
	back = (x - m_ptN.x) / m_ptM.x;
	

#line 221 "WxdkdrawControlTools.cpt"
	return back;
#else
	return ((x - m_ptN.x) / m_ptM.x);
#endif
}



double
WxdkdrawFrame::Control::InvY(double y)
{
#if	TRACE_DEBUG
	double	 back;
	back = (y - m_ptN.y) / m_ptM.y;
	

#line 236 "WxdkdrawControlTools.cpt"
	return back;
#else
	return ((y - m_ptN.y) / m_ptM.y);
#endif
}



int32_t
WxdkdrawFrame::Control::InvX(double x, bool & ok)
{
	dk4_er_t	 er;						/* Error report */
	double		 invx;						/* Inverted x value */
	int32_t		 i32;						/* Intermediate result */
	int32_t		 back	= (int32_t)0L;
	

#line 252 "WxdkdrawControlTools.cpt"
	dk4error_init(&er);
	invx = InvX(x);
	i32 = dk4ma_int32_from_double(dk4ma_rint(invx), &er);
	if (DK4_E_NONE == er.ec) {
		back = i32;
	}
	else {						

#line 259 "WxdkdrawControlTools.cpt"
		ok = false;
	}
	

#line 262 "WxdkdrawControlTools.cpt"
	return back;
}



int32_t
WxdkdrawFrame::Control::InvY(double y, bool & ok)
{
	dk4_er_t	 er;						/* Error report */
	double		 invy;						/* Inverted y value */
	int32_t		 i32;						/* Intermediate result */
	int32_t		 back	= (int32_t)0L;
	

#line 275 "WxdkdrawControlTools.cpt"
	dk4error_init(&er);
	invy = InvY(y);
	i32 = dk4ma_int32_from_double(dk4ma_rint(invy), &er);
	if (DK4_E_NONE == er.ec) {
		back = i32;
	}
	else {						

#line 282 "WxdkdrawControlTools.cpt"
		ok = false;
	}
	

#line 285 "WxdkdrawControlTools.cpt"
	return back;
}



int32_t
WxdkdrawFrame::Control::GridRoundDown(int32_t x,uint32_t gr,bool & ok,bool fo)
{
	dk4_er_t	er;		/* Error report */
	int32_t		back;	/* Function result */
	int32_t		rem;	/* Division remainder */
	

#line 297 "WxdkdrawControlTools.cpt"
	back = x / (int32_t)gr;		

#line 298 "WxdkdrawControlTools.cpt"
	rem  = x % (int32_t)gr;		

#line 299 "WxdkdrawControlTools.cpt"
	dk4error_init(&er);
	if (((int32_t)0L > rem) || ((fo) && ((int32_t)0L == rem))) {
		back--;
	}
	back = dk4ma_int32_t_mul(back, (int32_t)gr, &er);
	if (DK4_E_NONE != er.ec) {
		ok = false;
	}
	

#line 308 "WxdkdrawControlTools.cpt"
	return back;
}



int32_t
WxdkdrawFrame::Control::GridRoundUp(int32_t x, uint32_t gr, bool & ok, bool fo)
{
	dk4_er_t	 er;	/* Error report */
	int32_t		 back;	/* Function result */
	int32_t		 rem;	/* Division remainder */
	

#line 320 "WxdkdrawControlTools.cpt"
	dk4error_init(&er);
	back = x / (int32_t)gr;
	rem  = x % (int32_t)gr;
	if (((int32_t)0L < rem) || ((fo) && ((int32_t)0L == rem))) {
		back++;
	}
	back = dk4ma_int32_t_mul(back, (int32_t)gr, &er);
	if (DK4_E_NONE != er.ec) {
		ok = false;
	}
	

#line 331 "WxdkdrawControlTools.cpt"
	return back;

}



int32_t
WxdkdrawFrame::Control::GridRoundNearest(int32_t x, uint32_t gr, bool & ok)
{
	dk4_er_t	 er;	/* Error report */
	int32_t		 back;	/* Function result */
	int32_t		 rem;	/* Division remainder */
	

#line 344 "WxdkdrawControlTools.cpt"
	dk4error_init(&er);
	back = x / (int32_t)gr;
	rem  = x % (int32_t)gr;
	if ((int32_t)0L > rem) {
		if (rem <= ((int32_t)0L - (int32_t)gr / (int32_t)2L)) {
			back = dk4ma_int32_t_sub(back, (int32_t)1L, &er);
		}
	}
	else {
		if (rem >= (int32_t)gr / (int32_t)2L) {
			back = dk4ma_int32_t_add(back, (int32_t)1L, &er);
		}
	}
	back = dk4ma_int32_t_mul(back, (int32_t)gr, &er);
	if (DK4_E_NONE != er.ec) {
		ok = false;
	}
	

#line 362 "WxdkdrawControlTools.cpt"
	return back;
}



int
WxdkdrawFrame::Control::LineWidthForObject(
	Wxd_drawing_t const *pDrw, Wxd_object_t const *pObj, int iMarkup
)
{
	int			back;
	uint16_t	lw;
	

#line 375 "WxdkdrawControlTools.cpt"
#if	TRACE_DEBUG
	

#line 377 "WxdkdrawControlTools.cpt"
	

#line 378 "WxdkdrawControlTools.cpt"
	

#line 379 "WxdkdrawControlTools.cpt"
	

#line 380 "WxdkdrawControlTools.cpt"
#endif

#if	VERSION_BEFORE_2020_08_16
	back = (int)dk4ma_rint(
		ConvDist((double)(pDrw->baselw) * (double)(pObj->lw))
	);
#else
	lw = pObj->lw;
	if (((uint16_t)0U == lw) && (WXD_MARKUP_NONE != iMarkup)) {
		lw = (uint16_t)2U;		

#line 390 "WxdkdrawControlTools.cpt"
	}
	back = (int)dk4ma_rint(
		ConvDist((double)(pDrw->baselw) * (double)lw)
	);
#endif
	

#line 396 "WxdkdrawControlTools.cpt"
	if (0 == back) { back = 1; }
	

#line 398 "WxdkdrawControlTools.cpt"
	return back;
}


/* vim: set ai sw=4 ts=4 : */