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#ifndef lint
static char SccsId[] = "%W% %G%";
#endif
/* Module: prntcurs.c (Print coordinates and value at cursor)
* Purpose: Initialize params and organize drawing the magnifier window
* Subroutine: cursval() returns: void
* Xlib calls: XCheckWindowEvent(), XSync()
* Copyright: 1998 Smithsonian Astrophysical Observatory
* You may do anything you like with this file except remove
* this copyright. The Smithsonian Astrophysical Observatory
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
* Modified: {0} Doug Mink initial version 25 Oct 1994
* {1} Doug Mink changed wcs arguments 7 Jul 1995
* {2} Doug Mink Check for wcs 18 Oct 1995
* {3} Doug Mink Drop coor. sys. change 24 Jan 1996
* {4} Doug Mink Add 3rd image coord. 16 Jul 1998
* {n} <who> -- <does what> -- <when>
*/
#include <stdio.h>
#include <X11/Xlib.h> /* X window stuff */
#include <X11/Xutil.h> /* X window manager stuff */
#include "hfiles/struct.h" /* declare structure types */
#include "hfiles/extern.h" /* extern main SAOimage parameter structures */
#include "hfiles/constant.h" /* codes */
/*
* Subroutine: print_cursor
* Purpose: print location of a dispbox event
*/
void print_cursor ( event )
XEvent *event; /* XEvent for location of mouse */
{
double bufx, bufy, filex, filey;
void get_cursor_pos();
static void print_file_value();
(void)get_cursor_pos (event, &bufx, &bufy, &filex, &filey );
(void)print_file_value ( bufx, bufy, filex, filey );
}
/*
* Subroutine: get_cursor_pos
* Purpose: Find pointer coordinates
* Xlib calls: XCheckWindowEvent(), XSync()
*/
void get_cursor_pos ( event, bufx, bufy, filex, filey )
XEvent *event; /* i: XEvent for location of mouse */
double *bufx, *bufy;
double *filex, *filey;
{
void d_trans();
/* get only the most recent mouse moved event */
XSync(dispbox.display, 0);
while( XCheckWindowEvent(dispbox.display, dispbox.ID,
PointerMotionMask, event) );
/* get buffer coordinates */
*bufx = ((double)event->xmotion.x * (double)coord.disptobuf.inx_outx) +
(double) coord.disptobuf.iadd_outx;
*bufy = ((double)event->xmotion.y * (double)coord.disptobuf.iny_outy) +
(double) coord.disptobuf.iadd_outy;
d_trans(&coord.buftofile, *bufx, *bufy, filex, filey);
}
/*
* Subroutine: print_file_value
* Purpose: Print pointer coordinates and image value
*/
static void print_file_value ( bufX, bufY, fileX, fileY )
double bufX, bufY;
double fileX, fileY;
{
int val;
static char vstring[48], string[32], cstring[48];
void d_trans();
int lstr = 32;
int iswcs();
/* double xc,yc,xf,yf;
int offscl; */
if (img.filenimg > 1)
(void)sprintf(cstring, " %7.2f %7.2f %d", fileX, fileY, img.nimage);
else
(void)sprintf(cstring, " %7.2f %7.2f", fileX, fileY);
if ((bufX < coord.buf.X1) || (bufX > coord.buf.X2) ||
(bufY < coord.buf.Y1) || (bufY > coord.buf.Y2) )
(void)printf("%s x\n", cstring);
else if (img.fiscaled ) {
double rval;
if( (buffer.filebuf == NULL) ||
(buffer.filebuf == (char *)buffer.shortbuf) ) {
/* values scaled, originals not available */
val = buffer.shortbuf[(int)bufX + ((int)bufY * coord.buf.width)];
rval = ((double)val * img.fiscale) + img.fibias;
/* print strings with spaces padding out the end */
if( val <= buffer.clipmin )
sprintf(vstring, "%s <%.5g ", cstring, rval);
else if( val >= buffer.clipmax )
sprintf(vstring, "%s >%.5g ", cstring, rval);
else
sprintf(vstring, "%s %.5g ", cstring, rval);
} else {
/* values scaled, originals in filebuf */
double fbX, fbY;
d_trans (&coord.buftofbuf, bufX, bufY, &fbX, &fbY);
if( img.storage_type == ARR_I4 ) {
rval = (double)
*((int *)(buffer.filebuf +
(((int)fbX + ((int)fbY * coord.fbuf.width)) *
sizeof(int))));
} else if( img.storage_type == ARR_R4 ) {
rval = (double)
*((float *)(buffer.filebuf +
(((int)fbX + ((int)fbY * coord.fbuf.width)) *
sizeof(float))));
} else if( img.storage_type == ARR_R8 ) {
rval = *((double *)(buffer.filebuf +
(((int)fbX + ((int)fbY * coord.fbuf.width)) *
sizeof(double))));
} else
rval = 0.0;
if( img.fscaled )
rval = img.fbias + (rval * img.fscale);
sprintf(vstring, "%s %.5g ", cstring, rval);
}
if (iswcs (wcs)) {
(void)pix2wcst (wcs,fileX,fileY,string,lstr);
(void)printf("%s %s\n",string, vstring);
/* Test inverse subroutine
(void)pix2wcs (wcs,fileX,fileY,&xc,&yc);
(void)wcs2pix (wcs,xc,yc,&xf,&yf,&offscl);
(void) printf ("(%.2f,%.2f) -> %.5f %.5f -> (%.2f,%.2f)\n",
fileX,fileY,xc,yc,xf,yf); */
}
else
(void)printf("%s\n", vstring);
}
else {
val = buffer.shortbuf[(int)bufX + ((int)bufY * coord.buf.width)];
sprintf(vstring, " %7.2f %7.2f %6d ", fileX, fileY, val);
if (iswcs (wcs)) {
pix2wcst (wcs,fileX,fileY,string,lstr);
(void)printf("%s %s\n",string, vstring);
/* Test inverse subroutine
(void)pix2wcs (wcs,fileX,fileY,&xc,&yc);
(void)wcs2pix (wcs,xc,yc,&xf,&yf,&offscl);
(void) printf ("(%.2f,%.2f) -> %.5f %.5f -> (%.2f,%.2f)\n",
fileX,fileY,xc,yc,xf,yf); */
}
else
(void)printf("%s\n", vstring);
}
}
/*
* Subroutine: d_trans
* Purpose: Perform coordinate translation on double x and y values
*/
void d_trans ( trans, xin, yin, xout, yout )
Transform *trans;
double xin, yin;
double *xout, *yout;
{
if( trans->no_rot ) {
*xout = ((double)trans->inx_outx * xin) + (double)trans->add_outx;
*yout = ((double)trans->iny_outy * yin) + (double)trans->add_outy;
} else {
*xout = (double)trans->add_outx +
((double)trans->inx_outx * xin) + ((double)trans->iny_outx * yin);
*yout = (double)trans->add_outy +
((double)trans->inx_outy * xin) + ((double)trans->iny_outy * yin);
}
}
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