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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 1998-2000 - ENPC - Jean-Philippe Chancelier
* Copyright (C) 2002-2004 - INRIA - Djalel Abdemouche
* Copyright (C) 2002 - INRIA - Serge Steer
* Copyright (C) 2004-2006 - INRIA - Fabrice Leray
* Copyright (C) 2005 - INRIA - Jean-Baptiste Silvy
* Copyright (C) 2010-2011 - DIGITEO - Manuel Juliachs
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
/*------------------------------------------------------------------------
* Graphic library
--------------------------------------------------------------------------*/
#include "math_graphics.h"
#include "PloEch.h"
#include "GetProperty.h"
#include "SetProperty.h"
#include "BuildObjects.h"
#include "axesScale.h"
#include "Format.h"
#include "HandleManagement.h"
#include "Axes.h"
#include "MALLOC.h" /* MALLOC */
#include "getGraphicObjectProperty.h"
#include "graphicObjectProperties.h"
#include "CurrentSubwin.h"
/*-------------------------------------------
* setscale2d
* uses WRect,ARect,FRect,logscale to update
* current subwindow
* WRect gives the subwindow to use
* ARect gives the axis rectangle
* FRect gives the bounds
* WRect=[<x-upperleft>,<y-upperleft>,largeur,hauteur]
* example WRect=[0,0,1.0,1.0] we use all the window
* WRect=[0.5,0.5,0.5,0.5] we use the down right
* quarter of the window
* logscale : gives xy log axis flags
* each argument can be a null pointer if they are
* not to be changed from their current value
*
*
*-------------------------------------------*/
/*--------------------------------------------------------------------------*/
/**
* Interface to function xchange "f2i". Convert user 2d coordinates
* to pixel ones.
* @param rect [x,y,w,h] of current subwin
*/
void convertUserCoordToPixelCoords(const double xCoords[], const double yCoords[],
int xPixCoords[], int yPixCoords[], int nbCoords,
int rect[4])
{
/* coordinates transformation */
int i = 0;
int iSelectedSubwinUID = getOrCreateDefaultSubwin();
updateSubwinScale(iSelectedSubwinUID);
for (i = 0; i < nbCoords; i++)
{
// specify a default value for Z
double curCoords[3] = {xCoords[i], yCoords[i], 0.0};
int curPixCoords[2];
sciGet2dViewPixelCoordinates(iSelectedSubwinUID, curCoords, curPixCoords);
xPixCoords[i] = curPixCoords[0];
yPixCoords[i] = curPixCoords[1];
}
/* get viewing area */
sciGetViewingArea(iSelectedSubwinUID, &rect[0], &rect[1], &rect[2], &rect[3]);
}
/*--------------------------------------------------------------------------*/
/**
* Interface to function xchange "i2f". Convert pixel coordinates
* to user 2d coordinates.
* @param rect [x,y,w,h] of current subwin
*/
void convertPixelCoordsToUserCoords(const int xPixCoords[], const int yPixCoords[],
double xUserCoords[], double yUserCoords[], int nbCoords,
int rect[4])
{
/* coordinates transformation */
int i = 0;
int iSelectedSubwinUID = getOrCreateDefaultSubwin();
updateSubwinScale(iSelectedSubwinUID);
for (i = 0; i < nbCoords; i++)
{
// specify a default value for Z
int curPixCoords[2] = {xPixCoords[i], yPixCoords[i]};
double curCoords[2];
sciGet2dViewCoordFromPixel(iSelectedSubwinUID, curPixCoords, curCoords);
xUserCoords[i] = curCoords[0];
yUserCoords[i] = curCoords[1];
}
/* get viewing area */
sciGetViewingArea(iSelectedSubwinUID, &rect[0], &rect[1], &rect[2], &rect[3]);
}
/*--------------------------------------------------------------------------*/
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