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/** \file dease.c
* Easement Button Hdlrs
*/
/* XTrkCad - Model Railroad CAD
* Copyright (C) 2005 Dave Bullis
*
* 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.
*/
#include "common.h"
#include "ccurve.h"
#include "cjoin.h"
#include "cstraigh.h"
#include "custom.h"
#include "fileio.h"
#include "param.h"
#include "track.h"
static wButton_p easementB;
static DIST_T easeX = 0.0;
static DIST_T Rvalues[3];
static DIST_T Lvalues[3];
static DIST_T oldEasementVal;
static wIcon_p enone_bm;
static wIcon_p esharp_bm;
static wIcon_p egtsharp_bm;
static wIcon_p eltsharp_bm;
static wIcon_p enormal_bm;
static wIcon_p eltbroad_bm;
static wIcon_p ebroad_bm;
static wIcon_p egtbroad_bm;
static wIcon_p ecornu_bm;
/****************************************
*
* EASEMENTW
*
*/
static wWin_p easementW;
static void EasementSel( long );
static void SetEasement( DIST_T, void * );
static void EasementOk( void );
static void EasementCancel( void );
static char *easementChoiceLabels[] = { N_("None"), N_("Sharp"), N_("Normal"), N_("Broad"), N_("Cornu"), NULL };
static paramFloatRange_t r0n1_100 = { -1.0, 100.0, 60 };
static paramFloatRange_t r0_100 = { 0.0, 100.0, 60 };
static paramFloatRange_t r0_200 = { 0.0, 200.0, 60 };
static paramFloatRange_t r0_10 = { 0.0, 10.0, 60 };
static long easeM;
static paramData_t easementPLs[] = {
#define I_EASEVAL (0)
{ PD_FLOAT, &easementVal, "val", PDO_NOPSHUPD, &r0n1_100, N_("Value") },
{ PD_FLOAT, &easeR, "r", PDO_DIM|PDO_DLGRESETMARGIN, &r0_200, N_("R"), BO_READONLY },
{ PD_FLOAT, &easeX, "x", PDO_DIM|PDO_DLGHORZ, &r0_10, N_("X"), BO_READONLY },
{ PD_FLOAT, &easeL, "l", PDO_DIM|PDO_DLGHORZ, &r0_100, N_("L"), BO_READONLY },
#define I_EASESEL (4)
{ PD_RADIO, &easeM, "radio", PDO_DIM|PDO_NORECORD|PDO_NOPREF|PDO_DLGRESETMARGIN, easementChoiceLabels, NULL, BC_HORZ|BC_NONE } };
static paramGroup_t easementPG = { "easement", PGO_RECORD, easementPLs, COUNT( easementPLs ) };
static void SetEasement(
DIST_T val,
void * update )
/*
* Set transition-curve parameters (R and L).
*/
{
DIST_T z;
long selVal = -1;
wIcon_p bm;
if (val < 0.0) {
easeX = easeR = easeL = 0.0;
selVal = 4;
val = -1;
bm = ecornu_bm;
} else {
if (val == 0.0) {
easeX = easeR = easeL = 0.0;
selVal = 0;
val = 0;
bm = enone_bm;
} else if (val <= 1.0) {
if (val < 0.21) val = 0.21; //Eliminate values that give negative radii
z = 1.0/val - 1.0;
easeR = Rvalues[1] - z * (Rvalues[1] - Rvalues[0]);
easeL = Lvalues[1] - z * (Lvalues[1] - Lvalues[0]);
if (easeR != 0.0)
easeX = easeL*easeL/(24*easeR);
else
easeX = 0.0;
if (val == 1.0) {
selVal = 2;
bm = enormal_bm;
} else if (val == 0.5) {
selVal = 1;
bm = esharp_bm;
} else if (val < 0.5) {
bm = eltsharp_bm;
selVal = 1;
} else {
selVal = 1;
bm = egtsharp_bm;
}
} else {
z = val - 1.0;
easeR = Rvalues[1] + z * (Rvalues[2] - Rvalues[1]);
easeL = Lvalues[1] + z * (Lvalues[2] - Lvalues[1]);
if (easeR != 0.0)
easeX = easeL*easeL/(24*easeR);
else
easeX = 0.0;
if (val == 2.0) {
selVal = 3;
bm = ebroad_bm;
} else if (val < 2.0) {
selVal = 3;
bm = eltbroad_bm;
} else {
selVal = 3;
bm = egtbroad_bm;
}
}
}
easeR = (floor(easeR*100.0))/100.0;
easementVal = val;
if (easementW && wWinIsVisible(easementW)) {
ParamLoadControls( &easementPG );
if (update) {
easeM = selVal;
ParamLoadControl( &easementPG, I_EASESEL );
}
}
/*ParamChange( &easeValPD );*/
if (easementB)
wButtonSetLabel( easementB, (char*)bm );
}
static void EasementOk( void )
{
ParamLoadData( &easementPG );
SetEasement( easementVal, I2VP(FALSE) );
wHide( easementW );
}
static void EasementCancel( void )
{
SetEasement( easementVal = oldEasementVal, I2VP(FALSE) );
wHide( easementW );
}
static void EasementSel(
long arg )
/*
* Handle transition-curve parameter selection.
*/
{
DIST_T val;
switch (arg) {
case 0:
val = 0;
break;
case 1:
val = 0.5;
break;
case 2:
val = 1.0;
break;
case 3:
val = 2.0;
break;
case 4:
val = -1.0;
break;
default:
AbortProg( "easementSel: bad value %ld", arg);
val = 0.0;
break;
}
SetEasement( val, I2VP(FALSE) );
}
static void EasementDlgUpdate(
paramGroup_p pg,
int inx,
void * valueP )
{
switch (inx) {
case I_EASEVAL:
SetEasement( *(FLOAT_T*)valueP, I2VP(1) );
break;
case I_EASESEL:
EasementSel( *(long*)valueP );
break;
}
}
static void LayoutEasementW(
paramData_t * pd,
int inx,
wWinPix_t colX,
wWinPix_t * x,
wWinPix_t * y )
{
if ( inx == 2 )
wControlSetPos( easementPLs[0].control, *x, wControlGetPosY(easementPLs[0].control) );
}
static void DoEasement( void * unused )
{
if (easementW == NULL) {
easementW = ParamCreateDialog( &easementPG, MakeWindowTitle(_("Easement")), _("Ok"), (paramActionOkProc)EasementOk, (paramActionCancelProc)EasementCancel, TRUE, LayoutEasementW, 0, EasementDlgUpdate );
SetEasement( easementVal, I2VP(TRUE) );
}
oldEasementVal = easementVal;
wShow( easementW );
SetEasement( easementVal, I2VP(TRUE) );
}
static void EasementChange( long changes )
/*
* Handle change of scale. Load new parameters.
*/
{
if (changes&(CHANGE_SCALE|CHANGE_UNITS)) {
GetScaleEasementValues( Rvalues, Lvalues );
SetEasement( easementVal, I2VP(TRUE) );
}
}
#include "bitmaps/ease-none.xpm"
#include "bitmaps/ease-sharp.xpm"
#include "bitmaps/ease-gt-sharp.xpm"
#include "bitmaps/ease-lt-sharp.xpm"
#include "bitmaps/ease-normal.xpm"
#include "bitmaps/ease-broad.xpm"
#include "bitmaps/ease-gt-broad.xpm"
#include "bitmaps/ease-lt-broad.xpm"
#include "bitmaps/ease-cornu.xpm"
EXPORT addButtonCallBack_t EasementInit( void )
{
ParamRegister( &easementPG );
enone_bm = wIconCreatePixMap( ease_none_xpm[iconSize] );
eltsharp_bm = wIconCreatePixMap( ease_ltsharp_xpm[iconSize] );
esharp_bm = wIconCreatePixMap( ease_sharp_xpm[iconSize] );
egtsharp_bm = wIconCreatePixMap( ease_gtsharp_xpm[iconSize] );
enormal_bm = wIconCreatePixMap( ease_normal_xpm[iconSize] );
eltbroad_bm = wIconCreatePixMap( ease_ltbroad_xpm[iconSize] );
ebroad_bm = wIconCreatePixMap( ease_broad_xpm[iconSize] );
egtbroad_bm = wIconCreatePixMap( ease_gtbroad_xpm[iconSize] );
ecornu_bm = wIconCreatePixMap( ease_cornu_xpm[iconSize] );
easementB = AddToolbarButton( "cmdEasement", enone_bm, 0, DoEasementRedir, NULL );
RegisterChangeNotification( EasementChange );
return &DoEasement;
}
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