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xv.c
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xv.c
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/*
* xv.c - main section of xv. X setup, window creation, etc.
*/
#include "copyright.h"
#define MAIN
#define NEEDSTIME
#define NEEDSDIR /* for value of MAXPATHLEN */
#include "xv.h"
#include "bits/icon"
#include "bits/iconmask"
#include "bits/runicon"
#include "bits/runiconm"
#include "bits/cboard50"
#include "bits/gray25"
#include <X11/Xatom.h>
#ifdef VMS
extern Window pseudo_root();
#endif
/* program needs one of the following fonts. Trys them in ascending order */
#define FONT1 "-*-lucida-medium-r-*-*-12-*-*-*-*-*-*-*"
#define FONT2 "-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-*"
#define FONT3 "-*-helvetica-medium-r-*-*-11-*-*-*-*-*-*-*"
#define FONT4 "6x13"
#define FONT5 "fixed"
/* a mono-spaced font needed for the 'pixel value tracking' feature */
#define MFONT1 "-misc-fixed-medium-r-normal-*-13-*"
#define MFONT2 "6x13"
#define MFONT3 "-*-courier-medium-r-*-*-12-*"
#define MFONT4 "fixed"
/* default positions for various windows */
#define DEFINFOGEOM "-10+10" /* default position of info window */
#define DEFCTRLGEOM "+170+380" /* default position of ctrl window */
#define DEFGAMGEOM "+10-10" /* default position of gamma window */
#define DEFBROWGEOM "-10-10" /* default position of browse window */
#define DEFTEXTGEOM "-10+320" /* default position of text window */
#define DEFCMTGEOM "-10+300" /* default position of comment window */
static int revvideo = 0; /* true if we should reverse video */
static int dfltkludge = 0; /* true if we want dfltpic dithered */
static int clearonload; /* clear window/root (on colormap visuals) */
static int randomShow = 0; /* do a 'random' slideshow */
static int startIconic = 0; /* '-iconic' option */
static int defaultVis = 0; /* true if using DefaultVisual */
static double hexpand = 1.0; /* '-expand' argument */
static double vexpand = 1.0; /* '-expand' argument */
static char *maingeom = NULL;
static char *icongeom = NULL;
static Atom __SWM_VROOT = None;
static char basefname[128]; /* just the current fname, no path */
/* things to do upon successfully loading an image */
static int autoraw = 0; /* force raw if using stdcmap */
static int autodither = 0; /* dither */
static int autosmooth = 0; /* smooth */
static int auto4x3 = 0; /* do a 4x3 */
static int autorotate = 0; /* rotate 0, +-90, +-180, +-270 */
static int autohflip = 0; /* Flip Horizontally */
static int autovflip = 0; /* Flip Vertically */
static int autocrop = 0; /* do an 'AutoCrop' command */
static int acrop = 0; /* automatically do a 'Crop' */
static int acropX, acropY, acropW, acropH;
static int autonorm = 0; /* normalize */
static int autohisteq = 0; /* Histogram equalization */
static int force8 = 0; /* force 8-bit mode */
static int force24 = 0; /* force 24-bit mode */
/* used in DeleteCmd() and Quit() */
static char **mainargv;
static int mainargc;
/* local function pre-definitions */
int main PARM((int, char **));
static int highbit PARM((unsigned long));
static void makeDirectCmap PARM((void));
static void useOtherVisual PARM((XVisualInfo *, int));
static void parseResources PARM((int, char **));
static void parseCmdLine PARM((int, char **));
static void verifyArgs PARM((void));
static void printoption PARM((char *));
static void cmdSyntax PARM((void));
static void rmodeSyntax PARM((void));
static int openPic PARM((int));
static int readpipe PARM((char *, char *));
static void openFirstPic PARM((void));
static void openNextPic PARM((void));
static void openNextQuit PARM((void));
static void openNextLoop PARM((void));
static void openPrevPic PARM((void));
static void openNamedPic PARM((void));
static int findRandomPic PARM((void));
static void mainLoop PARM((void));
static void createMainWindow PARM((char *, char *));
static void setWinIconNames PARM((char *));
static void makeDispNames PARM((void));
static void fixDispNames PARM((void));
static void deleteFromList PARM((int));
static int argcmp PARM((char *, char *, int, int, int *));
static void add_filelist_to_namelist PARM((char *, char **, int *, int));
/* formerly local vars in main, made local to this module when
parseResources() and parseCmdLine() were split out of main() */
int imap, ctrlmap, gmap, browmap, cmtmap, clrroot, nopos, limit2x;
char *display, *whitestr, *blackstr, *histr, *lostr,
*infogeom, *fgstr, *bgstr, *ctrlgeom, *gamgeom, *browgeom, *tmpstr;
char *rootfgstr, *rootbgstr, *visualstr, *textgeom, *cmtgeom;
char *monofontname, *flistName;
int curstype, stdinflag, browseMode, savenorm, preview, pscomp, preset,
rmodeset, gamset, cgamset, perfect, owncmap, rwcolor, stdcmap;
int nodecor;
double gamval, rgamval, ggamval, bgamval;
winRepositionningInfoST winRepositionningInfo = { 0, 0};
/*******************************************/
int main(argc, argv)
int argc;
char **argv;
/*******************************************/
{
int i;
XColor ecdef;
Window rootReturn, parentReturn, *children;
unsigned int numChildren, rootDEEP;
#ifdef VMS
/* convert VMS-style arguments to unix names and glob */
do_vms_wildcard(&argc, &argv);
getredirection(&argc, &argv);
#endif
/*****************************************************/
/*** variable Initialization ***/
/*****************************************************/
xv_getwd(initdir, sizeof(initdir));
searchdir[0] = '\0';
fullfname[0] = '\0';
mainargv = argv;
mainargc = argc;
/* init internal variables */
display = NULL;
fgstr = bgstr = rootfgstr = rootbgstr = NULL;
histr = lostr = whitestr = blackstr = NULL;
visualstr = monofontname = flistName = NULL;
winTitle = NULL;
pic = egampic = epic = cpic = NULL;
theImage = NULL;
picComments = (char *) NULL;
numPages = 1; curPage = 0;
pageBaseName[0] = '\0';
LocalCmap = browCmap = 0;
stdinflag = 0;
autoclose = autoDelete = 0;
cmapInGam = 0;
grabDelay = 0;
showzoomcursor = 0;
perfect = owncmap = stdcmap = rwcolor = 0;
ignoreConfigs = 0;
browPerfect = 1;
gamval = rgamval = ggamval = bgamval = 1.0;
picType = -1; /* gets set once file is loaded */
colorMapMode = CM_NORMAL;
haveStdCmap = STD_NONE;
allocMode = AM_READONLY;
novbrowse = 0;
#ifndef VMS
strcpy(printCmd, "lpr");
#else
strcpy(printCmd, "Print /Queue = XV_Queue");
#endif
forceClipFile = 0;
clearR = clearG = clearB = 0;
InitSelection();
/* default Ghostscript parameters */
gsDev = "ppmraw";
#ifdef GS_DEV
gsDev = GS_DEV;
#endif
gsRes = 72;
gsGeomStr = NULL;
/* init default colors */
fgstr = "#000000"; bgstr = "#B2C0DC";
histr = "#C6D5E2"; lostr = "#8B99B5";
cmd = (char *) rindex(argv[0],'/');
if (!cmd) cmd = argv[0]; else cmd++;
tmpstr = (char *) getenv("TMPDIR");
if (!tmpstr) tmpdir = "/tmp";
else {
tmpdir = (char *) malloc(strlen(tmpstr) + 1);
if (!tmpdir) FatalError("can't malloc 'tmpdir'\n");
strcpy(tmpdir, tmpstr);
}
/* init command-line options flags */
infogeom = DEFINFOGEOM; ctrlgeom = DEFCTRLGEOM;
gamgeom = DEFGAMGEOM; browgeom = DEFBROWGEOM;
textgeom = DEFTEXTGEOM; cmtgeom = DEFCMTGEOM;
ncols = -1; mono = 0;
ninstall = 0; fixedaspect = 0; noFreeCols = nodecor = 0;
DEBUG = 0; bwidth = 2;
nolimits = useroot = clrroot = noqcheck = 0;
waitsec = -1; waitloop = 0; automax = 0;
rootMode = 0; hsvmode = 0;
rmodeset = gamset = cgamset = 0;
nopos = limit2x = 0;
resetroot = 1;
clearonload = 0;
curstype = XC_top_left_arrow;
browseMode = savenorm = nostat = 0;
preview = 0;
pscomp = 0;
preset = 0;
viewonly = 0;
/* init 'xormasks' array */
xorMasks[0] = 0x01010101;
xorMasks[1] = 0x02020203;
xorMasks[2] = 0x84848485;
xorMasks[3] = 0x88888889;
xorMasks[4] = 0x10101011;
xorMasks[5] = 0x20202023;
xorMasks[6] = 0xc4c4c4c5;
xorMasks[7] = 0xffffffff;
kludge_offx = kludge_offy = winCtrPosKludge = 0;
conv24 = CONV24_SLOW; /* use 'slow' algorithm by default */
defaspect = normaspect = 1.0;
mainW = dirW = infoW = ctrlW = gamW = psW = (Window) NULL;
anyBrowUp = 0;
#ifdef HAVE_JPEG
jpegW = (Window) NULL; jpegUp = 0;
#endif
#ifdef HAVE_TIFF
tiffW = (Window) NULL; tiffUp = 0;
#endif
#ifdef HAVE_PNG
pngW = (Window) NULL; pngUp = 0;
#endif
imap = ctrlmap = gmap = browmap = cmtmap = 0;
ch_offx = ch_offy = p_offx = p_offy = 0;
/* init info box variables */
infoUp = 0;
infoMode = INF_STR;
for (i=0; i<NISTR; i++) SetISTR(i,"");
/* init ctrl box variables */
ctrlUp = 0;
curname = -1;
formatStr[0] ='\0';
gamUp = 0;
psUp = 0;
Init24to8();
/* handle user-specified resources and cmd-line arguments */
parseResources(argc,argv);
parseCmdLine(argc, argv);
verifyArgs();
/*****************************************************/
/*** X Setup ***/
/*****************************************************/
theScreen = DefaultScreen(theDisp);
theCmap = DefaultColormap(theDisp, theScreen);
if (spec_window) {
rootW = spec_window;
} else {
rootW = RootWindow(theDisp,theScreen);
}
theGC = DefaultGC(theDisp,theScreen);
theVisual = DefaultVisual(theDisp,theScreen);
ncells = DisplayCells(theDisp, theScreen);
dispDEEP = DisplayPlanes(theDisp,theScreen);
maxWIDE = vrWIDE = dispWIDE = DisplayWidth(theDisp,theScreen);
maxHIGH = vrHIGH = dispHIGH = DisplayHeight(theDisp,theScreen);
rootDEEP = dispDEEP;
/* things dependant on theVisual:
* dispDEEP, theScreen, rootW, ncells, theCmap, theGC,
* vrWIDE, dispWIDE, vrHIGH, dispHIGH, maxWIDE, maxHIGH
*/
/* if we *haven't* had a non-default visual specified,
see if we have a TrueColor or DirectColor visual of 24 or 32 bits,
and if so, use that as the default visual (prefer TrueColor) */
if (!visualstr && !useroot) {
VisualID defvid;
XVisualInfo *vinfo, rvinfo;
int best, numvis;
long flags;
best = -1;
rvinfo.class = TrueColor;
rvinfo.screen = theScreen;
flags = VisualClassMask | VisualScreenMask;
defvid = XVisualIDFromVisual(DefaultVisual(theDisp,
DefaultScreen(theDisp)));
vinfo = XGetVisualInfo(theDisp, flags, &rvinfo, &numvis);
if (vinfo) {
/* Check list, use 'default', first 24-bit, or first >24-bit */
for (i=0; i<numvis && best==-1; i++) { /* default? */
if ((vinfo[i].visualid == defvid) && (vinfo[i].depth >= 24)) best=i;
}
for (i=0; i<numvis && best==-1; i++) { /* 24-bit ? */
if (vinfo[i].depth == 24) best = i;
}
for (i=0; i<numvis && best==-1; i++) { /* >24-bit ? */
if (vinfo[i].depth >= 24) best = i;
}
}
if (best == -1) { /* look for a DirectColor, 24-bit or more (pref 24) */
rvinfo.class = DirectColor;
if (vinfo) XFree((char *) vinfo);
vinfo = XGetVisualInfo(theDisp, flags, &rvinfo, &numvis);
if (vinfo) {
for (i=0; i<numvis && best==-1; i++) { /* default? */
if ((vinfo[i].visualid == defvid) && (vinfo[i].depth >= 24)) best=i;
}
for (i=0; i<numvis && best==-1; i++) { /* 24-bit ? */
if (vinfo[i].depth == 24) best = i;
}
for (i=0; i<numvis && best==-1; i++) { /* >24-bit ? */
if (vinfo[i].depth >= 24) best = i;
}
}
}
if (best>=0 && best<numvis) useOtherVisual(vinfo, best);
if (vinfo) XFree((char *) vinfo);
}
if (visualstr && useroot) {
fprintf(stderr, "%s: %sUsing default visual.\n",
cmd, "Warning: Can't use specified visual on root. ");
visualstr = NULL;
}
if (visualstr && !useroot) { /* handle non-default visual */
int vclass = -1;
int vid = -1;
lower_str(visualstr);
if (!strcmp(visualstr,"staticgray")) vclass = StaticGray;
else if (!strcmp(visualstr,"staticcolor")) vclass = StaticColor;
else if (!strcmp(visualstr,"truecolor")) vclass = TrueColor;
else if (!strcmp(visualstr,"grayscale")) vclass = GrayScale;
else if (!strcmp(visualstr,"pseudocolor")) vclass = PseudoColor;
else if (!strcmp(visualstr,"directcolor")) vclass = DirectColor;
else if (!strcmp(visualstr,"default")) {} /* recognize it as valid */
else if (!strncmp(visualstr,"0x",(size_t) 2)) { /* specified visual id */
if (sscanf(visualstr, "0x%x", &vid) != 1) vid = -1;
}
else {
fprintf(stderr,"%s: Unrecognized visual type '%s'. %s\n",
cmd, visualstr, "Using server default.");
}
/* if 'default', vclass and vid will both be '-1' */
if (vclass >= 0 || vid >= 0) { /* try to find asked-for visual type */
XVisualInfo *vinfo, rvinfo;
long vinfomask;
int numvis, best;
if (vclass >= 0) {
rvinfo.class = vclass; vinfomask = VisualClassMask;
}
else { rvinfo.visualid = vid; vinfomask = VisualIDMask; }
rvinfo.screen = theScreen;
vinfomask |= VisualScreenMask;
vinfo = XGetVisualInfo(theDisp, vinfomask, &rvinfo, &numvis);
if (vinfo) { /* choose the 'best' one, if multiple */
for (i=0, best = 0; i<numvis; i++) {
if (vinfo[i].depth > vinfo[best].depth) best = i;
}
useOtherVisual(vinfo, best);
XFree((char *) vinfo);
}
else fprintf(stderr,"%s: Visual type '%s' not available. %s\n",
cmd, visualstr, "Using server default.");
}
}
/* make linear colormap for DirectColor visual */
if (theVisual->class == DirectColor) makeDirectCmap();
defaultVis = (XVisualIDFromVisual(theVisual) ==
XVisualIDFromVisual(DefaultVisual(theDisp, DefaultScreen(theDisp))));
/* turn GraphicsExposures OFF in the default GC */
{
XGCValues xgcv;
xgcv.graphics_exposures = False;
XChangeGC(theDisp, theGC, GCGraphicsExposures, &xgcv);
}
if (!useroot && limit2x) { maxWIDE *= 2; maxHIGH *= 2; }
if (nolimits) { maxWIDE = 65000; maxHIGH = 65000; }
XSetErrorHandler(xvErrorHandler);
/* always search for virtual root window */
vrootW = rootW;
#ifndef VMS
__SWM_VROOT = XInternAtom(theDisp, "__SWM_VROOT", False);
XQueryTree(theDisp, rootW, &rootReturn, &parentReturn, &children,
&numChildren);
for (i = 0; i < numChildren; i++) {
Atom actual_type;
int actual_format;
unsigned long nitems, bytesafter;
Window *newRoot = NULL;
XWindowAttributes xwa;
if (XGetWindowProperty (theDisp, children[i], __SWM_VROOT, 0L, 1L,
False, XA_WINDOW, &actual_type, &actual_format, &nitems,
&bytesafter, (unsigned char **) &newRoot) == Success && newRoot) {
vrootW = *newRoot;
XGetWindowAttributes(theDisp, vrootW, &xwa);
vrWIDE = xwa.width; vrHIGH = xwa.height;
dispDEEP = xwa.depth;
break;
}
}
#else /* VMS */
vrootW = pseudo_root(theDisp, theScreen);
#endif
if (clrroot || useroot) {
/* have enough info to do a '-clear' now */
KillOldRootInfo(); /* if any */
if (resetroot || clrroot) ClearRoot(); /* don't clear on '-noresetroot' */
if (clrroot) Quit(0);
}
arrow = XCreateFontCursor(theDisp,(u_int) curstype);
cross = XCreateFontCursor(theDisp,XC_crosshair);
tcross = XCreateFontCursor(theDisp,XC_tcross);
zoom = XCreateFontCursor(theDisp,XC_sizing);
{
XColor fc, bc;
fc.red = fc.green = fc.blue = 0xffff;
bc.red = bc.green = bc.blue = 0x0000;
XRecolorCursor(theDisp, zoom, &fc, &bc);
}
{ /* create inviso cursor */
Pixmap pix;
static char bits[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
XColor cfg;
cfg.red = cfg.green = cfg.blue = 0;
pix = XCreateBitmapFromData(theDisp, rootW, bits, 8, 8);
inviso = XCreatePixmapCursor(theDisp, pix, pix, &cfg, &cfg, 0,0);
XFreePixmap(theDisp, pix);
}
/* set up white,black colors */
whtRGB = 0xffffff; blkRGB = 0x000000;
if (defaultVis) {
white = WhitePixel(theDisp,theScreen);
black = BlackPixel(theDisp,theScreen);
}
else {
ecdef.flags = DoRed | DoGreen | DoBlue;
ecdef.red = ecdef.green = ecdef.blue = 0xffff;
if (xvAllocColor(theDisp, theCmap, &ecdef)) white = ecdef.pixel;
else white = 0xffffffff; /* probably evil... */
ecdef.red = ecdef.green = ecdef.blue = 0x0000;
if (xvAllocColor(theDisp, theCmap, &ecdef)) black = ecdef.pixel;
else black = 0x00000000; /* probably evil... */
}
if (whitestr && XParseColor(theDisp, theCmap, whitestr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) {
white = ecdef.pixel;
whtRGB = ((ecdef.red>>8)<<16) | (ecdef.green&0xff00) | (ecdef.blue>>8);
}
if (blackstr && XParseColor(theDisp, theCmap, blackstr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) {
black = ecdef.pixel;
blkRGB = ((ecdef.red>>8)<<16) | (ecdef.green&0xff00) | (ecdef.blue>>8);
}
/* set up fg,bg colors */
fg = black; bg = white;
if (fgstr && XParseColor(theDisp, theCmap, fgstr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) {
fg = ecdef.pixel;
}
if (bgstr && XParseColor(theDisp, theCmap, bgstr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) {
bg = ecdef.pixel;
}
/* set up root fg,bg colors */
rootfg = white; rootbg = black;
if (rootfgstr && XParseColor(theDisp, theCmap, rootfgstr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) rootfg = ecdef.pixel;
if (rootbgstr && XParseColor(theDisp, theCmap, rootbgstr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) rootbg = ecdef.pixel;
/* set up hi/lo colors */
i=0;
if (dispDEEP > 1) { /* only if we're on a reasonable display */
if (histr && XParseColor(theDisp, theCmap, histr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) { hicol = ecdef.pixel; i|=1; }
if (lostr && XParseColor(theDisp, theCmap, lostr, &ecdef) &&
xvAllocColor(theDisp, theCmap, &ecdef)) { locol = ecdef.pixel; i|=2; }
}
if (i==0) ctrlColor = 0;
else if (i==3) ctrlColor = 1;
else { /* only got some of them */
if (i&1) xvFreeColors(theDisp, theCmap, &hicol, 1, 0L);
if (i&2) xvFreeColors(theDisp, theCmap, &locol, 1, 0L);
ctrlColor = 0;
}
if (!ctrlColor) { hicol = bg; locol = fg; }
XSetForeground(theDisp,theGC,fg);
XSetBackground(theDisp,theGC,bg);
infofg = fg; infobg = bg;
/* if '-mono' not forced, determine if we're on a grey or color monitor */
if (!mono) {
if (theVisual->class == StaticGray || theVisual->class == GrayScale)
mono = 1;
}
iconPix = MakePix1(rootW, icon_bits, icon_width, icon_height);
iconmask = MakePix1(rootW, iconmask_bits, icon_width, icon_height);
riconPix = MakePix1(rootW, runicon_bits, runicon_width, runicon_height);
riconmask= MakePix1(rootW, runiconm_bits, runiconm_width,runiconm_height);
if (!iconPix || !iconmask || !riconPix || !riconmask)
FatalError("Unable to create icon pixmaps\n");
gray50Tile = XCreatePixmapFromBitmapData(theDisp, rootW,
(char *) cboard50_bits,
cboard50_width, cboard50_height,
infofg, infobg, dispDEEP);
if (!gray50Tile) FatalError("Unable to create gray50Tile bitmap\n");
gray25Tile = XCreatePixmapFromBitmapData(theDisp, rootW,
(char *) gray25_bits,
gray25_width, gray25_height,
infofg, infobg, dispDEEP);
if (!gray25Tile) FatalError("Unable to create gray25Tile bitmap\n");
/* try to load fonts */
if ( (mfinfo = XLoadQueryFont(theDisp,FONT1))==NULL &&
(mfinfo = XLoadQueryFont(theDisp,FONT2))==NULL &&
(mfinfo = XLoadQueryFont(theDisp,FONT3))==NULL &&
(mfinfo = XLoadQueryFont(theDisp,FONT4))==NULL &&
(mfinfo = XLoadQueryFont(theDisp,FONT5))==NULL) {
sprintf(str,
"couldn't open the following fonts:\n\t%s\n\t%s\n\t%s\n\t%s\n\t%s",
FONT1, FONT2, FONT3, FONT4, FONT5);
FatalError(str);
}
mfont=mfinfo->fid;
XSetFont(theDisp,theGC,mfont);
monofinfo = (XFontStruct *) NULL;
if (monofontname) {
monofinfo = XLoadQueryFont(theDisp, monofontname);
if (!monofinfo) fprintf(stderr,"xv: unable to load font '%s'\n",
monofontname);
}
if (!monofinfo) {
if ((monofinfo = XLoadQueryFont(theDisp,MFONT1))==NULL &&
(monofinfo = XLoadQueryFont(theDisp,MFONT2))==NULL &&
(monofinfo = XLoadQueryFont(theDisp,MFONT3))==NULL &&
(monofinfo = XLoadQueryFont(theDisp,MFONT4))==NULL) {
sprintf(str,"couldn't open %s fonts:\n\t%s\n\t%s\n\t%s\n\t%s",
"any of the following",
MFONT1, MFONT2, MFONT3, MFONT4);
FatalError(str);
}
}
monofont=monofinfo->fid;
/* if ncols wasn't set, set it to 2^dispDEEP, unless dispDEEP=1, in which
case ncols = 0; (ncols = max number of colors allocated. on 1-bit
displays, no colors are allocated */
if (ncols == -1) {
if (dispDEEP>1) ncols = 1 << ((dispDEEP>8) ? 8 : dispDEEP);
else ncols = 0;
}
else if (ncols>256) ncols = 256; /* so program doesn't blow up */
GenerateFSGamma(); /* has to be done before 'OpenBrowse()' is called */
/* no filenames. build one-name (stdio) list (if stdinflag) */
if (numnames==0) {
if (stdinflag) {
/* have to malloc namelist[0] so we can free it in deleteFromList() */
namelist[0] = (char *) malloc(strlen(STDINSTR) + 1);
if (!namelist[0]) FatalError("unable to to build namelist[0]");
strcpy(namelist[0], STDINSTR);
numnames = 1;
}
else namelist[0] = NULL;
}
if (numnames) makeDispNames();
if (viewonly || autoquit) {
imap = ctrlmap = gmap = browmap = cmtmap = 0;
novbrowse = 1;
}
/* create the info box window */
CreateInfo(infogeom);
XSelectInput(theDisp, infoW, ExposureMask | ButtonPressMask | KeyPressMask
| StructureNotifyMask);
InfoBox(imap); /* map it (or not) */
if (imap) {
RedrawInfo(0,0,1000,1000); /* explicit draw if mapped */
XFlush(theDisp);
}
/* create the control box window */
CreateCtrl(ctrlgeom);
epicMode = EM_RAW; SetEpicMode();
XSelectInput(theDisp, ctrlW, ExposureMask | ButtonPressMask | KeyPressMask
| StructureNotifyMask);
if (ctrlmap < 0) { /* map iconified */
XWMHints xwmh;
xwmh.input = True;
xwmh.initial_state = IconicState;
xwmh.flags = (InputHint | StateHint);
XSetWMHints(theDisp, ctrlW, &xwmh);
ctrlmap = 1;
}
CtrlBox(ctrlmap); /* map it (or not) */
if (ctrlmap) {
RedrawCtrl(0,0,1000,1000); /* explicit draw if mapped */
XFlush(theDisp);
}
fixDispNames();
ChangedCtrlList();
/* disable root modes if using non-default visual */
if (!defaultVis) {
for (i=RMB_ROOT; i<RMB_MAX; i++) rootMB.dim[i] = 1;
}
/* create the directory window */
CreateDirW(NULL);
XSelectInput(theDisp, dirW, ExposureMask | ButtonPressMask | KeyPressMask);
browseCB.val = browseMode;
savenormCB.val = savenorm;
/* create the gamma window */
CreateGam(gamgeom, (gamset) ? gamval : -1.0,
(cgamset) ? rgamval : -1.0,
(cgamset) ? ggamval : -1.0,
(cgamset) ? bgamval : -1.0,
preset);
XSelectInput(theDisp, gamW, ExposureMask | ButtonPressMask | KeyPressMask
| StructureNotifyMask
| (cmapInGam ? ColormapChangeMask : 0));
GamBox(gmap); /* map it (or not) */
stdnfcols = 0; /* so we don't try to free any if we don't create any */
if (!novbrowse) {
MakeBrowCmap();
/* create the visual browser window */
CreateBrowse(browgeom, fgstr, bgstr, histr, lostr);
if (browmap) OpenBrowse();
}
else windowMB.dim[WMB_BROWSE] = 1; /* disable visual schnauzer */
CreateTextWins(textgeom, cmtgeom);
if (cmtmap) OpenCommentText();
/* create the ps window */
CreatePSD(NULL);
XSetTransientForHint(theDisp, psW, dirW);
encapsCB.val = preview;
pscompCB.val = pscomp;
#ifdef HAVE_JPEG
CreateJPEGW();
XSetTransientForHint(theDisp, jpegW, dirW);
#endif
#ifdef HAVE_TIFF
CreateTIFFW();
XSetTransientForHint(theDisp, tiffW, dirW);
#endif
#ifdef HAVE_PNG
CreatePNGW();
XSetTransientForHint(theDisp, pngW, dirW);
#endif
LoadFishCursors();
SetCursors(-1);
/* if we're not on a colormapped display, turn off rwcolor */
if (!CMAPVIS(theVisual)) {
if (rwcolor) fprintf(stderr, "xv: not a colormapped display. %s\n",
"'rwcolor' turned off.");
allocMode = AM_READONLY;
dispMB.flags[DMB_COLRW] = 0; /* de-'check' */
dispMB.dim[DMB_COLRW] = 1; /* and dim it */
}
if (force24) {
Set824Menus(PIC24);
conv24MB.flags[CONV24_LOCK] = 1;
picType = PIC24;
}
else if (force8) {
Set824Menus(PIC8);
conv24MB.flags[CONV24_LOCK] = 1;
picType = PIC8;
}
else {
Set824Menus(PIC8); /* default mode */
picType = PIC8;
}
/* make std colormap, maybe */
ChangeCmapMode(colorMapMode, 0, 0);
/* Do The Thing... */
mainLoop();
Quit(0);
return(0);
}
/*****************************************************/
static void makeDirectCmap()
{
int i, cmaplen, numgot;
byte origgot[256];
XColor c;
u_long rmask, gmask, bmask;
int rshift, gshift, bshift;
rmask = theVisual->red_mask;
gmask = theVisual->green_mask;
bmask = theVisual->blue_mask;
rshift = highbit(rmask) - 15;
gshift = highbit(gmask) - 15;
bshift = highbit(bmask) - 15;
if (rshift<0) rmask = rmask << (-rshift);
else rmask = rmask >> rshift;
if (gshift<0) gmask = gmask << (-gshift);
else gmask = gmask >> gshift;
if (bshift<0) bmask = bmask << (-bshift);
else bmask = bmask >> bshift;
cmaplen = theVisual->map_entries;
if (cmaplen>256) cmaplen=256;
/* try to alloc a 'cmaplen' long grayscale colormap. May not get all
entries for whatever reason. Build table 'directConv[]' that
maps range [0..(cmaplen-1)] into set of colors we did get */
for (i=0; i<256; i++) { origgot[i] = 0; directConv[i] = 0; }
for (i=numgot=0; i<cmaplen; i++) {
c.red = c.green = c.blue = (i * 0xffff) / (cmaplen - 1);
c.red = c.red & rmask;
c.green = c.green & gmask;
c.blue = c.blue & bmask;
c.flags = DoRed | DoGreen | DoBlue;
if (XAllocColor(theDisp, theCmap, &c)) {
/* fprintf(stderr,"%3d: %4x,%4x,%4x\n", i, c.red,c.green,c.blue); */
directConv[i] = i;
origgot[i] = 1;
numgot++;
}
}
if (numgot == 0) FatalError("Got no entries in DirectColor cmap!\n");
/* directConv may or may not have holes in it. */
for (i=0; i<cmaplen; i++) {
if (!origgot[i]) {
int numbak, numfwd;
numbak = numfwd = 0;
while ((i - numbak) >= 0 && !origgot[i-numbak]) numbak++;
while ((i + numfwd) < cmaplen && !origgot[i+numfwd]) numfwd++;
if (i-numbak<0 || !origgot[i-numbak]) numbak = 999;
if (i+numfwd>=cmaplen || !origgot[i+numfwd]) numfwd = 999;
if (numbak<numfwd) directConv[i] = directConv[i-numbak];
else if (numfwd<999) directConv[i] = directConv[i+numfwd];
else FatalError("DirectColor cmap: can't happen!");
}
}
}
static int highbit(ul)
unsigned long ul;
{
/* returns position of highest set bit in 'ul' as an integer (0-31),
or -1 if none */
int i; unsigned long hb;
hb = 0x8000; hb = (hb<<16); /* hb = 0x80000000UL */
for (i=31; ((ul & hb) == 0) && i>=0; i--, ul<<=1);
return i;
}
/*****************************************************/
static void useOtherVisual(vinfo, best)
XVisualInfo *vinfo;
int best;
{
if (!vinfo || best<0) return;
if (vinfo[best].visualid ==
XVisualIDFromVisual(DefaultVisual(theDisp, theScreen))) return;
theVisual = vinfo[best].visual;
if (DEBUG) {
fprintf(stderr,"%s: using %s visual (0x%0x), depth = %d, screen = %d\n",
cmd,
(vinfo[best].class==StaticGray) ? "StaticGray" :
(vinfo[best].class==StaticColor) ? "StaticColor" :
(vinfo[best].class==TrueColor) ? "TrueColor" :
(vinfo[best].class==GrayScale) ? "GrayScale" :
(vinfo[best].class==PseudoColor) ? "PseudoColor" :
(vinfo[best].class==DirectColor) ? "DirectColor" : "<unknown>",
(int) vinfo[best].visualid,
vinfo[best].depth, vinfo[best].screen);
fprintf(stderr,"\tmasks: (0x%x,0x%x,0x%x), bits_per_rgb=%d\n",
(int) vinfo[best].red_mask, (int) vinfo[best].green_mask,
(int) vinfo[best].blue_mask, vinfo[best].bits_per_rgb);
}
dispDEEP = vinfo[best].depth;
theScreen = vinfo[best].screen;
if (spec_window) {
rootW = spec_window;
} else {
rootW = RootWindow(theDisp,theScreen);
}
ncells = vinfo[best].colormap_size;
theCmap = XCreateColormap(theDisp, rootW, theVisual, AllocNone);
{
/* create a temporary window using this visual so we can
create a GC for this visual */
Window win;
XSetWindowAttributes xswa;
XGCValues xgcv;
unsigned long xswamask;
XFlush(theDisp);
XSync(theDisp, False);