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/* Copyright (c) 1992 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1993 Regents of the University of California */ |
| 2 |
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#ifndef lint |
| 4 |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "standard.h" |
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|
| 24 |
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#include <signal.h> |
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#include <X11/Xlib.h> |
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#include <X11/cursorfont.h> |
| 27 |
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#include <X11/Xutil.h> |
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+ |
#include <X11/Xatom.h> |
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|
| 30 |
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#include "color.h" |
| 31 |
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#include "view.h" |
| 33 |
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#include "random.h" |
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#include "resolu.h" |
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|
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+ |
#ifdef __alpha |
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#define int4 int |
| 38 |
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#endif |
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#ifndef int4 |
| 40 |
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#define int4 long |
| 41 |
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#endif |
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+ |
|
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#define FONTNAME "8x13" /* text font we'll use */ |
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|
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#define CTRL(c) ((c)-'@') |
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|
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Window wind = 0; /* our output window */ |
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unsigned long ourblack=0, ourwhite=1; /* black and white for this visual */ |
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Font fontid; /* our font */ |
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– |
|
| 67 |
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int maxcolors = 0; /* maximum colors */ |
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int greyscale = 0; /* in grey */ |
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|
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int xoff = 0; /* x image offset */ |
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int yoff = 0; /* y image offset */ |
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|
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int parent = 0; /* number of children, -1 if child */ |
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|
| 77 |
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VIEW ourview = STDVIEW; /* image view parameters */ |
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int gotview = 0; /* got parameters from file */ |
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|
| 116 |
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|
| 117 |
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extern long ftell(); |
| 118 |
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|
| 110 |
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extern char *malloc(), *calloc(); |
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|
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Display *thedisplay; |
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+ |
Atom closedownAtom, wmProtocolsAtom; |
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|
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int noop() {} |
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|
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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char *gv; |
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int headline(); |
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int i; |
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+ |
int pid; |
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|
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progname = argv[0]; |
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if ((gv = getenv("GAMMA")) != NULL) |
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else |
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break; |
| 178 |
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|
| 179 |
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if (i == argc-1) { |
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if (i > argc) |
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goto userr; |
| 181 |
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while (i < argc-1) { |
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if ((pid=fork()) == 0) { /* a child for each picture */ |
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parent = -1; |
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break; |
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} |
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if (pid < 0) |
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quiterr("fork failed"); |
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parent++; |
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signal(SIGCONT, noop); |
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pause(); /* wait for wake-up call */ |
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i++; |
| 192 |
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} |
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if (i < argc) { /* open picture file */ |
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fname = argv[i]; |
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fin = fopen(fname, "r"); |
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if (fin == NULL) { |
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sprintf(errmsg, "cannot open file \"%s\"", fname); |
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quiterr(errmsg); |
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} |
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} else if (i != argc) |
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goto userr; |
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} |
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/* get header */ |
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getheader(fin, headline, NULL); |
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/* get picture dimensions */ |
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if ((scanline = (COLR *)malloc(xmax*sizeof(COLR))) == NULL) |
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quiterr("out of memory"); |
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|
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init(); /* get file and open window */ |
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init(argc, argv); /* get file and open window */ |
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|
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if (parent < 0) |
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kill(getppid(), SIGCONT); /* signal parent if child */ |
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|
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for ( ; ; ) |
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getevent(); /* main loop */ |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic\n", |
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"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic ..\n", |
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progname); |
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exit(1); |
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} |
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} |
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|
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|
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init() /* get data and open window */ |
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init(argc, argv) /* get data and open window */ |
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int argc; |
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char **argv; |
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{ |
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XWMHints ourxwmhints; |
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XSetWindowAttributes ourwinattr; |
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< |
XSizeHints oursizhints; |
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> |
XClassHint xclshints; |
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> |
XWMHints xwmhints; |
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> |
XSizeHints xszhints; |
| 252 |
> |
XTextProperty windowName, iconName; |
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> |
XGCValues xgcv; |
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> |
char *name; |
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register int i; |
| 256 |
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|
| 257 |
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if (fname != NULL) { |
| 258 |
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scanpos = (long *)malloc(ymax*sizeof(long)); |
| 259 |
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if (scanpos == NULL) |
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goto memerr; |
| 260 |
> |
quiterr("out of memory"); |
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for (i = 0; i < ymax; i++) |
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scanpos[i] = -1; |
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} |
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name = fname; |
| 264 |
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} else |
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name = progname; |
| 266 |
> |
/* remove directory prefix from name */ |
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for (i = strlen(name); i-- > 0; ) |
| 268 |
> |
if (name[i] == '/') |
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> |
break; |
| 270 |
> |
name += i+1; |
| 271 |
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if ((thedisplay = XOpenDisplay(dispname)) == NULL) |
| 272 |
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quiterr("cannot open display"); |
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/* get best visual for default screen */ |
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/* store image */ |
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getras(); |
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/* get size and position */ |
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bzero((char *)&oursizhints, sizeof(oursizhints)); |
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oursizhints.width = xmax; oursizhints.height = ymax; |
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> |
xszhints.flags = 0; |
| 279 |
> |
xszhints.width = xmax; xszhints.height = ymax; |
| 280 |
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if (geometry != NULL) { |
| 281 |
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i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, |
| 282 |
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(unsigned *)&oursizhints.width, |
| 283 |
< |
(unsigned *)&oursizhints.height); |
| 281 |
> |
i = XParseGeometry(geometry, &xszhints.x, &xszhints.y, |
| 282 |
> |
(unsigned *)&xszhints.width, |
| 283 |
> |
(unsigned *)&xszhints.height); |
| 284 |
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if ((i&(WidthValue|HeightValue)) == (WidthValue|HeightValue)) |
| 285 |
< |
oursizhints.flags |= USSize; |
| 285 |
> |
xszhints.flags |= USSize; |
| 286 |
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else |
| 287 |
< |
oursizhints.flags |= PSize; |
| 287 |
> |
xszhints.flags |= PSize; |
| 288 |
|
if ((i&(XValue|YValue)) == (XValue|YValue)) { |
| 289 |
< |
oursizhints.flags |= USPosition; |
| 289 |
> |
xszhints.flags |= USPosition; |
| 290 |
|
if (i & XNegative) |
| 291 |
< |
oursizhints.x += DisplayWidth(thedisplay, |
| 292 |
< |
ourscreen)-1-oursizhints.width-2*BORWIDTH; |
| 291 |
> |
xszhints.x += DisplayWidth(thedisplay, |
| 292 |
> |
ourscreen)-1-xszhints.width-2*BORWIDTH; |
| 293 |
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if (i & YNegative) |
| 294 |
< |
oursizhints.y += DisplayHeight(thedisplay, |
| 295 |
< |
ourscreen)-1-oursizhints.height-2*BORWIDTH; |
| 294 |
> |
xszhints.y += DisplayHeight(thedisplay, |
| 295 |
> |
ourscreen)-1-xszhints.height-2*BORWIDTH; |
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} |
| 297 |
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} |
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/* open window */ |
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> |
/* open window */ |
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ourwinattr.border_pixel = ourwhite; |
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ourwinattr.background_pixel = ourblack; |
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ourwinattr.colormap = XCreateColormap(thedisplay, ourroot, |
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ourvis.visual, AllocNone); |
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< |
wind = XCreateWindow(thedisplay, ourroot, oursizhints.x, oursizhints.y, |
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< |
oursizhints.width, oursizhints.height, BORWIDTH, |
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< |
ourvis.depth, InputOutput, ourvis.visual, |
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< |
CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
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> |
ourwinattr.event_mask = ExposureMask|KeyPressMask|ButtonPressMask| |
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> |
ButtonReleaseMask|ButtonMotionMask|StructureNotifyMask; |
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> |
ourwinattr.cursor = XCreateFontCursor(thedisplay, XC_diamond_cross); |
| 306 |
> |
wind = XCreateWindow(thedisplay, ourroot, xszhints.x, xszhints.y, |
| 307 |
> |
xszhints.width, xszhints.height, BORWIDTH, |
| 308 |
> |
ourvis.depth, InputOutput, ourvis.visual, CWEventMask| |
| 309 |
> |
CWCursor|CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
| 310 |
|
if (wind == 0) |
| 311 |
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quiterr("cannot create window"); |
| 269 |
– |
XFreeColormap(thedisplay, ourwinattr.colormap); |
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width = xmax; |
| 313 |
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height = ymax; |
| 314 |
< |
ourgc = XCreateGC(thedisplay, wind, 0, 0); |
| 315 |
< |
XSetState(thedisplay, ourgc, ourblack, ourwhite, GXcopy, AllPlanes); |
| 316 |
< |
revgc = XCreateGC(thedisplay, wind, 0, 0); |
| 275 |
< |
XSetFunction(thedisplay, revgc, GXinvert); |
| 276 |
< |
fontid = XLoadFont(thedisplay, FONTNAME); |
| 277 |
< |
if (fontid == 0) |
| 314 |
> |
xgcv.foreground = ourblack; |
| 315 |
> |
xgcv.background = ourwhite; |
| 316 |
> |
if ((xgcv.font = XLoadFont(thedisplay, FONTNAME)) == 0) |
| 317 |
|
quiterr("cannot get font"); |
| 318 |
< |
XSetFont(thedisplay, ourgc, fontid); |
| 319 |
< |
XDefineCursor(thedisplay, wind, XCreateFontCursor(thedisplay, |
| 320 |
< |
XC_diamond_cross)); |
| 321 |
< |
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
| 322 |
< |
if (oursizhints.flags) |
| 323 |
< |
XSetNormalHints(thedisplay, wind, &oursizhints); |
| 324 |
< |
ourxwmhints.flags = InputHint|IconPixmapHint; |
| 325 |
< |
ourxwmhints.input = True; |
| 326 |
< |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
| 318 |
> |
ourgc = XCreateGC(thedisplay, wind, GCForeground|GCBackground| |
| 319 |
> |
GCFont, &xgcv); |
| 320 |
> |
xgcv.function = GXinvert; |
| 321 |
> |
revgc = XCreateGC(thedisplay, wind, GCForeground|GCBackground| |
| 322 |
> |
GCFunction, &xgcv); |
| 323 |
> |
|
| 324 |
> |
/* set up the window manager */ |
| 325 |
> |
xwmhints.flags = InputHint|IconPixmapHint; |
| 326 |
> |
xwmhints.input = True; |
| 327 |
> |
xwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
| 328 |
|
wind, icondata, iconwidth, iconheight); |
| 329 |
< |
XSetWMHints(thedisplay, wind, &ourxwmhints); |
| 330 |
< |
XSelectInput(thedisplay, wind, ButtonPressMask|ButtonReleaseMask |
| 331 |
< |
|ButtonMotionMask|StructureNotifyMask |
| 332 |
< |
|KeyPressMask|ExposureMask); |
| 329 |
> |
|
| 330 |
> |
windowName.encoding = iconName.encoding = XA_STRING; |
| 331 |
> |
windowName.format = iconName.format = 8; |
| 332 |
> |
windowName.value = (u_char *)name; |
| 333 |
> |
windowName.nitems = strlen(windowName.value); |
| 334 |
> |
iconName.value = (u_char *)name; |
| 335 |
> |
iconName.nitems = strlen(windowName.value); |
| 336 |
> |
|
| 337 |
> |
xclshints.res_name = NULL; |
| 338 |
> |
xclshints.res_class = "Ximage"; |
| 339 |
> |
XSetWMProperties(thedisplay, wind, &windowName, &iconName, |
| 340 |
> |
argv, argc, &xszhints, &xwmhints, &xclshints); |
| 341 |
> |
closedownAtom = XInternAtom(thedisplay, "WM_DELETE_WINDOW", False); |
| 342 |
> |
wmProtocolsAtom = XInternAtom(thedisplay, "WM_PROTOCOLS", False); |
| 343 |
> |
XSetWMProtocols(thedisplay, wind, &closedownAtom, 1); |
| 344 |
> |
|
| 345 |
|
XMapWindow(thedisplay, wind); |
| 346 |
|
return; |
| 295 |
– |
memerr: |
| 296 |
– |
quiterr("out of memory"); |
| 347 |
|
} /* end of init */ |
| 348 |
|
|
| 349 |
|
|
| 350 |
|
quiterr(err) /* print message and exit */ |
| 351 |
|
char *err; |
| 352 |
|
{ |
| 353 |
< |
if (err != NULL) { |
| 354 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
| 355 |
< |
exit(1); |
| 353 |
> |
if (err != NULL) |
| 354 |
> |
fprintf(stderr, "%s: %s: %s\n", progname, |
| 355 |
> |
fname==NULL?"<stdin>":fname, err); |
| 356 |
> |
if (wind) { |
| 357 |
> |
XDestroyWindow(thedisplay, wind); |
| 358 |
> |
XFlush(thedisplay); |
| 359 |
|
} |
| 360 |
< |
exit(0); |
| 360 |
> |
while (parent > 0 && wait(0) != -1) /* wait for any children */ |
| 361 |
> |
parent--; |
| 362 |
> |
exit(err != NULL); |
| 363 |
|
} |
| 364 |
|
|
| 365 |
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|
| 500 |
|
goto fail; |
| 501 |
|
getmono(); |
| 502 |
|
} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
| 503 |
< |
ourdata = (unsigned char *)malloc(4*xmax*ymax); |
| 503 |
> |
ourdata = (unsigned char *)malloc(sizeof(int4)*xmax*ymax); |
| 504 |
|
if (ourdata == NULL) |
| 505 |
|
goto fail; |
| 506 |
< |
ourras = make_raster(thedisplay, &ourvis, 32, |
| 506 |
> |
ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
| 507 |
|
ourdata, xmax, ymax, 32); |
| 508 |
|
if (ourras == NULL) |
| 509 |
|
goto fail; |
| 531 |
|
|
| 532 |
|
getevent() /* process the next event */ |
| 533 |
|
{ |
| 534 |
< |
union { |
| 480 |
< |
XEvent u; |
| 481 |
< |
XConfigureEvent c; |
| 482 |
< |
XExposeEvent e; |
| 483 |
< |
XButtonPressedEvent b; |
| 484 |
< |
XKeyPressedEvent k; |
| 485 |
< |
} e; |
| 534 |
> |
XEvent xev; |
| 535 |
|
|
| 536 |
< |
XNextEvent(thedisplay, &e.u); |
| 537 |
< |
switch (e.u.type) { |
| 536 |
> |
XNextEvent(thedisplay, &xev); |
| 537 |
> |
switch ((int)xev.type) { |
| 538 |
|
case KeyPress: |
| 539 |
< |
docom(&e.k); |
| 539 |
> |
docom(&xev.xkey); |
| 540 |
|
break; |
| 541 |
|
case ConfigureNotify: |
| 542 |
< |
width = e.c.width; |
| 543 |
< |
height = e.c.height; |
| 542 |
> |
width = xev.xconfigure.width; |
| 543 |
> |
height = xev.xconfigure.height; |
| 544 |
|
break; |
| 545 |
|
case MapNotify: |
| 546 |
|
map_rcolors(ourras, wind); |
| 552 |
|
unmap_rcolors(ourras); |
| 553 |
|
break; |
| 554 |
|
case Expose: |
| 555 |
< |
redraw(e.e.x, e.e.y, e.e.width, e.e.height); |
| 555 |
> |
redraw(xev.xexpose.x, xev.xexpose.y, |
| 556 |
> |
xev.xexpose.width, xev.xexpose.height); |
| 557 |
|
break; |
| 558 |
|
case ButtonPress: |
| 559 |
< |
if (e.b.state & (ShiftMask|ControlMask)) |
| 560 |
< |
moveimage(&e.b); |
| 561 |
< |
else if (e.b.button == Button2) |
| 562 |
< |
traceray(e.b.x, e.b.y); |
| 559 |
> |
if (xev.xbutton.state & (ShiftMask|ControlMask)) |
| 560 |
> |
moveimage(&xev.xbutton); |
| 561 |
> |
else if (xev.xbutton.button == Button2) |
| 562 |
> |
traceray(xev.xbutton.x, xev.xbutton.y); |
| 563 |
|
else |
| 564 |
< |
getbox(&e.b); |
| 564 |
> |
getbox(&xev.xbutton); |
| 565 |
|
break; |
| 566 |
+ |
case ClientMessage: |
| 567 |
+ |
if ((xev.xclient.message_type == wmProtocolsAtom) && |
| 568 |
+ |
(xev.xclient.data.l[0] == closedownAtom)) |
| 569 |
+ |
quiterr(NULL); |
| 570 |
+ |
break; |
| 571 |
|
} |
| 572 |
|
} |
| 573 |
|
|
| 658 |
|
case 't': /* trace */ |
| 659 |
|
return(traceray(ekey->x, ekey->y)); |
| 660 |
|
case '=': /* adjust exposure */ |
| 661 |
+ |
case '@': /* adaptation level */ |
| 662 |
|
if (avgbox(cval) == -1) |
| 663 |
|
return(-1); |
| 664 |
< |
n = log(.5/bright(cval))/.69315 - scale; /* truncate */ |
| 664 |
> |
comp = com=='@' |
| 665 |
> |
? 106./pow(1.219+pow(luminance(cval)/exposure,.4),2.5)/exposure |
| 666 |
> |
: .5/bright(cval) ; |
| 667 |
> |
comp = log(comp)/.69315 - scale; |
| 668 |
> |
n = comp < 0 ? comp-.5 : comp+.5 ; /* round */ |
| 669 |
|
if (n == 0) |
| 670 |
|
return(0); |
| 671 |
|
scale_rcolors(ourras, pow(2.0, (double)n)); |
| 687 |
|
make_rpixmap(ourras, wind); |
| 688 |
|
redraw(0, 0, width, height); |
| 689 |
|
return(0); |
| 690 |
+ |
case 'f': /* turn on fast redraw */ |
| 691 |
+ |
fast = 1; |
| 692 |
+ |
make_rpixmap(ourras, wind); |
| 693 |
+ |
return(0); |
| 694 |
+ |
case 'F': /* turn off fast redraw */ |
| 695 |
+ |
fast = 0; |
| 696 |
+ |
free_rpixmap(ourras); |
| 697 |
+ |
return(0); |
| 698 |
|
case '0': /* recenter origin */ |
| 699 |
|
if (xoff == 0 & yoff == 0) |
| 700 |
|
return(0); |
| 715 |
|
moveimage(ebut) /* shift the image */ |
| 716 |
|
XButtonPressedEvent *ebut; |
| 717 |
|
{ |
| 718 |
< |
union { |
| 651 |
< |
XEvent u; |
| 652 |
< |
XButtonReleasedEvent b; |
| 653 |
< |
XPointerMovedEvent m; |
| 654 |
< |
} e; |
| 718 |
> |
XEvent e; |
| 719 |
|
int mxo, myo; |
| 720 |
|
|
| 721 |
< |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e.u); |
| 722 |
< |
while (e.u.type == MotionNotify) { |
| 723 |
< |
mxo = e.m.x; |
| 724 |
< |
myo = e.m.y; |
| 721 |
> |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
| 722 |
> |
while (e.type == MotionNotify) { |
| 723 |
> |
mxo = e.xmotion.x; |
| 724 |
> |
myo = e.xmotion.y; |
| 725 |
|
revline(ebut->x, ebut->y, mxo, myo); |
| 726 |
|
revbox(xoff+mxo-ebut->x, yoff+myo-ebut->y, |
| 727 |
|
xoff+mxo-ebut->x+xmax, yoff+myo-ebut->y+ymax); |
| 728 |
< |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e.u); |
| 728 |
> |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
| 729 |
|
revline(ebut->x, ebut->y, mxo, myo); |
| 730 |
|
revbox(xoff+mxo-ebut->x, yoff+myo-ebut->y, |
| 731 |
|
xoff+mxo-ebut->x+xmax, yoff+myo-ebut->y+ymax); |
| 732 |
|
} |
| 733 |
< |
xoff += e.b.x - ebut->x; |
| 734 |
< |
yoff += e.b.y - ebut->y; |
| 733 |
> |
xoff += e.xbutton.x - ebut->x; |
| 734 |
> |
yoff += e.xbutton.y - ebut->y; |
| 735 |
|
XClearWindow(thedisplay, wind); |
| 736 |
|
redraw(0, 0, width, height); |
| 737 |
|
} |
| 740 |
|
getbox(ebut) /* get new box */ |
| 741 |
|
XButtonPressedEvent *ebut; |
| 742 |
|
{ |
| 743 |
< |
union { |
| 680 |
< |
XEvent u; |
| 681 |
< |
XButtonReleasedEvent b; |
| 682 |
< |
XPointerMovedEvent m; |
| 683 |
< |
} e; |
| 743 |
> |
XEvent e; |
| 744 |
|
|
| 745 |
< |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e.u); |
| 746 |
< |
while (e.u.type == MotionNotify) { |
| 747 |
< |
revbox(ebut->x, ebut->y, box.xmin = e.m.x, box.ymin = e.m.y); |
| 748 |
< |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e.u); |
| 745 |
> |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
| 746 |
> |
while (e.type == MotionNotify) { |
| 747 |
> |
revbox(ebut->x, ebut->y, box.xmin = e.xmotion.x, box.ymin = e.xmotion.y); |
| 748 |
> |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
| 749 |
|
revbox(ebut->x, ebut->y, box.xmin, box.ymin); |
| 750 |
|
} |
| 751 |
< |
box.xmin = e.b.x<0 ? 0 : (e.b.x>=width ? width-1 : e.b.x); |
| 752 |
< |
box.ymin = e.b.y<0 ? 0 : (e.b.y>=height ? height-1 : e.b.y); |
| 751 |
> |
box.xmin = e.xbutton.x<0 ? 0 : (e.xbutton.x>=width ? width-1 : e.xbutton.x); |
| 752 |
> |
box.ymin = e.xbutton.y<0 ? 0 : (e.xbutton.y>=height ? height-1 : e.xbutton.y); |
| 753 |
|
if (box.xmin > ebut->x) { |
| 754 |
|
box.xsiz = box.xmin - ebut->x + 1; |
| 755 |
|
box.xmin = ebut->x; |
| 910 |
|
getfull() /* get full (24-bit) data */ |
| 911 |
|
{ |
| 912 |
|
int y; |
| 913 |
< |
register unsigned long *dp; |
| 913 |
> |
register unsigned int4 *dp; |
| 914 |
|
register int x; |
| 915 |
|
/* set gamma correction */ |
| 916 |
|
setcolrgam(gamcor); |
| 917 |
|
/* read and convert file */ |
| 918 |
< |
dp = (unsigned long *)ourdata; |
| 918 |
> |
dp = (unsigned int4 *)ourdata; |
| 919 |
|
for (y = 0; y < ymax; y++) { |
| 920 |
|
getscan(y); |
| 921 |
|
add2icon(y, scanline); |
| 970 |
|
getmapped() /* get color-mapped data */ |
| 971 |
|
{ |
| 972 |
|
int y; |
| 973 |
+ |
/* make sure we can do it first */ |
| 974 |
+ |
if (fname == NULL) |
| 975 |
+ |
quiterr("cannot map colors from standard input"); |
| 976 |
|
/* set gamma correction */ |
| 977 |
|
setcolrgam(gamcor); |
| 978 |
|
/* make histogram */ |
| 979 |
|
new_histo(); |
| 980 |
|
for (y = 0; y < ymax; y++) { |
| 981 |
|
if (getscan(y) < 0) |
| 982 |
< |
quiterr("seek error in getmapped"); |
| 982 |
> |
break; |
| 983 |
|
add2icon(y, scanline); |
| 984 |
|
if (scale) |
| 985 |
|
shiftcolrs(scanline, xmax, scale); |
| 990 |
|
if (!new_clrtab(maxcolors)) |
| 991 |
|
quiterr("cannot create color map"); |
| 992 |
|
for (y = 0; y < ymax; y++) { |
| 993 |
< |
if (getscan(y) < 0) |
| 931 |
< |
quiterr("seek error in getmapped"); |
| 993 |
> |
getscan(y); |
| 994 |
|
if (scale) |
| 995 |
|
shiftcolrs(scanline, xmax, scale); |
| 996 |
|
colrs_gambs(scanline, xmax); |
| 1033 |
|
getscan(y) |
| 1034 |
|
int y; |
| 1035 |
|
{ |
| 1036 |
+ |
static int trunced = -1; /* truncated file? */ |
| 1037 |
+ |
skipit: |
| 1038 |
+ |
if (trunced >= 0 && y >= trunced) { |
| 1039 |
+ |
bzero(scanline, xmax*sizeof(COLR)); |
| 1040 |
+ |
return(-1); |
| 1041 |
+ |
} |
| 1042 |
|
if (y != cury) { |
| 1043 |
|
if (scanpos == NULL || scanpos[y] == -1) |
| 1044 |
|
return(-1); |
| 1048 |
|
} else if (scanpos != NULL && scanpos[y] == -1) |
| 1049 |
|
scanpos[y] = ftell(fin); |
| 1050 |
|
|
| 1051 |
< |
if (freadcolrs(scanline, xmax, fin) < 0) |
| 1052 |
< |
quiterr("read error"); |
| 1053 |
< |
|
| 1051 |
> |
if (freadcolrs(scanline, xmax, fin) < 0) { |
| 1052 |
> |
fprintf(stderr, "%s: %s: unfinished picture\n", |
| 1053 |
> |
progname, fname==NULL?"<stdin>":fname); |
| 1054 |
> |
trunced = y; |
| 1055 |
> |
goto skipit; |
| 1056 |
> |
} |
| 1057 |
|
cury++; |
| 1058 |
|
return(0); |
| 1059 |
|
} |