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include <imhdr.h>
include "tvmark.h"
# MK_ONEMARK -- Procedure to mark symbols in the frame buffer given a
# coordinate list and a mark type.
procedure mk_onemark (mk, im, iw, wx, wy, owx, owy, label, ltid)
pointer mk # pointer to the mark structure
pointer im # frame image descriptor
pointer iw # pointer to the wcs structure
real wx, wy # coordinates of current list object
real owx, owy # coordinates of previous list member
char label[ARB] # current label
int ltid # list sequence number
int ncols, nlines, nr, nc, x1, x2, y1, y2
pointer sp, str, lengths, radii
real fx, fy, ofx, ofy, xmag, ymag, lmax, lratio, rmax, ratio
int mk_stati(), itoc()
int mk_plimits(), mk_llimits(), mk_rlimits(), mk_climits()
pointer mk_statp()
real mk_statr()
begin
call smark (sp)
call salloc (str, SZ_LINE, TY_CHAR)
call salloc (lengths, MAX_NMARKS, TY_REAL)
call salloc (radii, MAX_NMARKS, TY_REAL)
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
# Convert from image to frame buffer coordinates.
if (IS_INDEFR(owx) || IS_INDEFR(owy)) {
owx = INDEFR
owy = INDEFR
} else
call iw_im2fb (iw, owx, owy, ofx, ofy)
call iw_im2fb (iw, wx, wy, fx, fy)
call mk_mag (im, iw, xmag, ymag)
switch (mk_stati (mk, MKTYPE)) {
case MK_POINT:
if (mk_plimits (fx, fy, mk_stati (mk, SZPOINT),
ncols, nlines, x1, x2, y1, y2) == YES) {
call mk_drawpt (im, x1, x2, y1, y2, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
case MK_LINE:
if (! IS_INDEFR(ofx) && ! IS_INDEFR(ofy)) {
if (mk_llimits (ofx, ofy, fx, fy, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawline (im, ofx, ofy, fx, fy, x1, x2, y1, y2,
mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
}
case MK_RECTANGLE:
nr = mk_stati (mk, NRECTANGLES)
if (xmag <= 0.0) {
lmax = 0.0
call amovkr (0.0, Memr[lengths], nr)
} else {
call adivkr (Memr[mk_statp(mk,RLENGTHS)], xmag, Memr[lengths],
nr)
lmax = Memr[lengths+nr-1]
}
if (ymag <= 0.0)
lratio = 0.0
else
lratio = mk_statr (mk, RATIO) * xmag / ymag
if (mk_rlimits (fx, fy, lmax, lratio, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawbox (im, fx, fy, x1, x2, y1, y2, Memr[lengths],
lratio, nr, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
case MK_CIRCLE:
nc = mk_stati (mk, NCIRCLES)
if (xmag <= 0.0) {
rmax = 0.0
call amovkr (0.0, Memr[radii], nc)
} else {
call adivkr (Memr[mk_statp(mk, RADII)], xmag, Memr[radii], nc)
rmax = Memr[radii+nc-1]
}
if (ymag <= 0.0)
ratio = 0.0
else
ratio = xmag / ymag
if (mk_climits (fx, fy, rmax, ratio, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawcircles (im, fx, fy, x1, x2, y1, y2,
Memr[radii], ratio, nc, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
case MK_PLUS:
call mk_textim (im, "+", nint (fx), nint (fy), mk_stati (mk, SIZE),
mk_stati (mk, SIZE), mk_stati (mk, GRAYLEVEL), YES)
call imflush (im)
case MK_CROSS:
call mk_textim (im, "*", nint (fx), nint (fy), mk_stati (mk, SIZE),
mk_stati (mk, SIZE), mk_stati (mk, GRAYLEVEL), YES)
call imflush (im)
default:
# Do nothing gracefully
}
# Number the text file.
if (mk_stati (mk, LABEL) == YES) {
if (label[1] != EOS) {
call mk_textim (im, label, nint (fx) + mk_stati (mk,
NXOFFSET), nint (fy) + mk_stati (mk, NYOFFSET),
mk_stati (mk, SIZE), mk_stati (mk, SIZE), mk_stati (mk,
GRAYLEVEL), NO)
call imflush (im)
}
} else if (mk_stati (mk, NUMBER) == YES) {
if (itoc (ltid, Memc[str], SZ_FNAME) > 0) {
call mk_textim (im, Memc[str], nint (fx) + mk_stati (mk,
NXOFFSET), nint (fy) + mk_stati (mk, NYOFFSET),
mk_stati (mk, SIZE), mk_stati (mk, SIZE), mk_stati (mk,
GRAYLEVEL), NO)
call imflush (im)
}
}
call sfree (sp)
end
# MK_DMARK -- Mark a dot.
procedure mk_dmark (mk, im, fx, fy)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer
real fx, fy # real coordinates
int ncols, nlines, x1, y1, x2, y2
int mk_stati(), mk_plimits()
begin
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
if (mk_plimits (fx, fy, mk_stati (mk, SZPOINT), ncols, nlines,
x1, x2, y1, y2) == YES) {
call mk_drawpt (im, x1, x2, y1, y2, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x2)
#call mk_seti (mk, Y2, x2)
end
# MK_CMARK -- Mark concentric circle(s).
procedure mk_cmark (mk, im, iw, fx, fy)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer image
pointer iw # pointer to the wcs structure
real fx, fy # center of circle
int nc, ncols, nlines, x1, x2, y1, y2
pointer sp, radii
real xmag, ymag, rmax, ratio
int mk_stati(), mk_climits()
pointer mk_statp()
begin
nc = mk_stati (mk, NCIRCLES)
if (nc <= 0)
return
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
call mk_mag (im, iw, xmag, ymag)
call smark (sp)
call salloc (radii, nc, TY_REAL)
if (xmag <= 0.0) {
rmax = 0.0
call amovkr (0.0, Memr[radii], nc)
} else {
call adivkr (Memr[mk_statp(mk,RADII)], xmag, Memr[radii], nc)
rmax = Memr[radii+nc-1]
}
if (ymag <= 0.0)
ratio = 0.0
else
ratio = xmag / ymag
if (mk_climits (fx, fy, rmax, ratio, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawcircles (im, fx, fy, x1, x2, y1, y2, Memr[radii],
ratio, nc, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x2)
#call mk_seti (mk, Y2, y2)
call sfree (sp)
end
# MK_OCMARK -- Mark one circle.
procedure mk_ocmark (mk, im, iw, fx, fy, rmax)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer image
pointer iw # pointer to the wcs structure
real fx, fy # center of circle
real rmax # maximum radius
int ncols, nlines, x1, x2, y1, y2
int mk_climits(), mk_stati()
begin
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
if (mk_climits (fx, fy, rmax, 1.0, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawcircles (im, fx, fy, x1, x2, y1, y2, rmax,
1.0, 1, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x2)
#call mk_seti (mk, Y2, y2)
end
# MK_LMARK -- Mark s line segment
procedure mk_lmark (mk, im, ofx, ofy, fx, fy)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer
real ofx, ofy # coords of first point
real fx, fy # coords of second point
int ncols, nlines, x1, y1, x2, y2
int mk_stati(), mk_llimits()
begin
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
if (mk_llimits (ofx, ofy, fx, fy, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawline (im, ofx, ofy, fx, fy, x1, x2, y1, y2,
mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x2)
#call mk_seti (mk, Y2, y2)
end
# MK_TMARK -- Mark a text string
procedure mk_tmark (mk, im, str, fx, fy, center)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer image
char str[ARB] # character string to be drawn
real fx, fy # lower left coords of string
int center # center the string
int ncols, nlines
#int x1, x2, y1, y2
int mk_stati()
begin
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
call mk_textim (im, str, nint (fx), nint (fy), mk_stati (mk, SIZE),
mk_stati(mk, SIZE), mk_stati (mk, GRAYLEVEL), center)
call imflush (im)
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x1)
#call mk_seti (mk, Y2, y2)
end
# MK_RMARK -- Mark concentric rectangles.
procedure mk_rmark (mk, im, iw, fx, fy)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer
pointer iw # pointer to the wcs structure
real fx, fy # x and y center coordinates
int nr, ncols, nlines, x1, y1, x2, y2
pointer sp, lengths
real xmag, ymag, lmax, lratio
int mk_stati(), mk_rlimits()
pointer mk_statp()
real mk_statr()
begin
nr = mk_stati (mk, NRECTANGLES)
if (nr <= 0)
return
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
call mk_mag (im, iw, xmag, ymag)
call smark (sp)
call salloc (lengths, nr, TY_REAL)
if (xmag <= 0.0) {
lmax = 0.0
call amovkr (0.0, Memr[lengths], nr)
} else {
lmax = Memr[mk_statp(mk, RLENGTHS)+nr-1] / xmag
call adivkr (Memr[mk_statp(mk,RLENGTHS)], xmag, Memr[lengths], nr)
}
if (ymag <= 0.0)
lratio = 0.0
else
lratio = mk_statr (mk, RATIO) * xmag / ymag
if (mk_rlimits (fx, fy, lmax, lratio, ncols, nlines, x1, x2,
y1, y2) == YES) {
call mk_drawbox (im, fx, fy, x1, x2, y1, y2, Memr[lengths],
lratio, nr, mk_stati (mk, GRAYLEVEL))
call imflush (im)
}
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x2)
#call mk_seti (mk, Y2, y2)
call sfree (sp)
end
# MK_XMARK -- Procedure to mark a box.
procedure mk_xmark (mk, im, ofx, ofy, fx, fy)
pointer mk # pointer to the mark structure
pointer im # pointer to the frame buffer image
real ofx, ofy # first corner coordinates
real fx, fy # second corner coordinates
int ncols, nlines, x1, x2, y1, y2
int mk_stati()
begin
ncols = IM_LEN(im,1)
nlines = IM_LEN(im,2)
call mk_blimits (ofx, ofy, fx, fy, ncols, nlines, x1, x2, y1, y2)
call mk_pbox (im, x1, x2, y1, y2, mk_stati (mk, GRAYLEVEL))
call imflush (im)
#call mk_seti (mk, X1, x1)
#call mk_seti (mk, Y1, y1)
#call mk_seti (mk, X2, x2)
#call mk_seti (mk, Y2, y2)
end
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