qbit/xenocara
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
8ca0137ede
xenocara/lib/libXpm/sxpm/sxpm.c

751 lines
22 KiB
C
Raw Blame History

/*
* Copyright (C) 1989-95 GROUPE BULL
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of GROUPE BULL shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from GROUPE BULL.
*/
/*****************************************************************************\
* sxpm.c: *
* *
* Show XPM File program *
* *
* Developed by Arnaud Le Hors *
\*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <X11/StringDefs.h>
#include <X11/Intrinsic.h>
#include <X11/IntrinsicP.h>
#include <X11/Shell.h>
#ifdef VMS
#include <X11/shape.h>
#else
#include <X11/extensions/shape.h>
#endif
#include <X11/xpm.h>
#ifdef USE_GETTEXT
#include <locale.h>
#include <libintl.h>
#else
#define gettext(a) (a)
#endif
/* XPM */
/* plaid pixmap */
static char *plaid[] = {
/* width height ncolors chars_per_pixel */
"22 22 4 2 XPMEXT",
/* colors */
" c red m white s light_color",
"Y c green m black s lines_in_mix",
"+ c yellow m white s lines_in_dark",
"x m black s dark_color",
/* pixels */
"x x x x x x x x x x x x + x x x x x ",
" x x x x x x x x x x x x x x x x ",
"x x x x x x x x x x x x + x x x x x ",
" x x x x x x x x x x x x x x x x ",
"x x x x x x x x x x x x + x x x x x ",
"Y Y Y Y Y x Y Y Y Y Y + x + x + x + x + x + ",
"x x x x x x x x x x x x + x x x x x ",
" x x x x x x x x x x x x x x x x ",
"x x x x x x x x x x x x + x x x x x ",
" x x x x x x x x x x x x x x x x ",
"x x x x x x x x x x x x + x x x x x ",
" x x x x Y x x x ",
" x x x Y x x ",
" x x x x Y x x x ",
" x x x Y x x ",
" x x x x Y x x x ",
"x x x x x x x x x x x x x x x x x x x x x x ",
" x x x x Y x x x ",
" x x x Y x x ",
" x x x x Y x x x ",
" x x x Y x x ",
" x x x x Y x x x ",
"bullshit",
"XPMEXT ext1 data1",
"XPMEXT ext2",
"data2_1",
"data2_2",
"XPMEXT",
"foo",
"",
"XPMEXT ext3",
"data3",
"XPMENDEXT"
};
#define win XtWindow(topw)
#define dpy XtDisplay(topw)
#define root XRootWindowOfScreen(XtScreen(topw))
#define xrdb XtDatabase(dpy)
static Colormap colormap;
void Usage(void);
void ErrorMessage(int ErrorStatus, char *tag);
void Punt(int i);
void VersionInfo(void);
void kinput(Widget widget, char *tag, XEvent *xe, Boolean *b);
void GetNumbers(int num, int *format_return,
int *libmajor_return,
char *libminor_return);
#define IWIDTH 50
#define IHEIGHT 50
typedef struct _XpmIcon {
Pixmap pixmap;
Pixmap mask;
XpmAttributes attributes;
} XpmIcon;
static char **command;
static Widget topw;
static XpmIcon view, icon;
static XrmOptionDescRec options[] = {
{"-hints", ".hints", XrmoptionNoArg, (XtPointer) "True"},
{"-icon", ".icon", XrmoptionSepArg, (XtPointer) NULL},
};
int
main(
int argc,
char **argv)
{
int ErrorStatus;
unsigned int verbose = 0; /* performs verbose output */
unsigned int stdinf = 1; /* read from stdin */
unsigned int stdoutf = 0; /* write to stdout */
unsigned int nod = 0; /* no display */
unsigned int nom = 0; /* no mask display */
unsigned int incResize = 0;
unsigned int resize = 0;
unsigned int w_rtn;
unsigned int h_rtn;
char *input = NULL;
char *output = NULL;
char *iconFile = NULL;
unsigned int numsymbols = 0;
XpmColorSymbol symbols[10];
char *stype;
XrmValue val;
unsigned long valuemask = 0;
int n;
Arg args[4];
#ifdef Debug
char **data;
char *buffer;
#endif
#ifdef USE_GETTEXT
XtSetLanguageProc(NULL,NULL,NULL);
bindtextdomain("sxpm",LOCALEDIR);
textdomain("sxpm");
#endif
topw = XtInitialize(argv[0], "Sxpm",
options, XtNumber(options), &argc, argv);
if (!topw) {
/* L10N_Comments : Error if no $DISPLAY or $DISPLAY can't be opened.
Not normally reached as Xt exits before we get here. */
fprintf(stderr, gettext("Sxpm Error... [ Undefined DISPLAY ]\n"));
exit(1);
}
colormap = XDefaultColormapOfScreen(XtScreen(topw));
/*
* geometry management
*/
if (XrmGetResource(xrdb, NULL, "sxpm.geometry", &stype, &val)
|| XrmGetResource(xrdb, NULL, "Sxpm.geometry", &stype, &val)) {
int flags;
int x_rtn;
int y_rtn;
char *geo = NULL;
geo = (char *) val.addr;
flags = XParseGeometry(geo, &x_rtn, &y_rtn,
(unsigned int *) &w_rtn,
(unsigned int *) &h_rtn);
if (!((WidthValue & flags) && (HeightValue & flags)))
resize = 1;
} else
resize = 1;
n = 0;
if (resize) {
w_rtn = 0;
h_rtn = 0;
XtSetArg(args[n], XtNwidth, 1);
n++;
XtSetArg(args[n], XtNheight, 1);
n++;
}
XtSetArg(args[n], XtNmappedWhenManaged, False);
n++;
XtSetArg(args[n], XtNinput, True);
n++;
XtSetValues(topw, args, n);
if ((XrmGetResource(xrdb, "sxpm.hints", "", &stype, &val)
|| XrmGetResource(xrdb, "Sxpm.hints", "", &stype, &val))
&& !strcmp((char *) val.addr, "True")) {
/* gotcha */
incResize = 1;
resize = 1;
}
/*
* icon management
*/
if (XrmGetResource(xrdb, "sxpm.icon", "", &stype, &val)
|| XrmGetResource(xrdb, "Sxpm.icon", "", &stype, &val)) {
iconFile = (char *) val.addr;
}
if (iconFile) {
XColor color, junk;
Pixel bpix;
Window iconW;
if (XAllocNamedColor(dpy, colormap, "black", &color, &junk))
bpix = color.pixel;
else
bpix = XBlackPixelOfScreen(XtScreen(topw));
iconW = XCreateSimpleWindow(dpy, root, 0, 0,
IWIDTH, IHEIGHT, 1, bpix, bpix);
icon.attributes.valuemask = XpmReturnAllocPixels;
ErrorStatus = XpmReadFileToPixmap(dpy, root, iconFile, &icon.pixmap,
&icon.mask, &icon.attributes);
ErrorMessage(ErrorStatus, "Icon");
XSetWindowBackgroundPixmap(dpy, iconW, icon.pixmap);
n = 0;
XtSetArg(args[n], XtNbackground, bpix);
n++;
XtSetArg(args[n], XtNiconWindow, iconW);
n++;
XtSetValues(topw, args, n);
}
/*
* arguments parsing
*/
command = argv;
for (n = 1; n < argc; n++) {
if (strcmp(argv[n], "-plaid") == 0) {
stdinf = 0;
continue;
}
if (argv[n][0] != '-') {
stdinf = 0;
input = argv[n];
continue;
}
if ((strlen(argv[n]) == 1) && (argv[n][0] == '-'))
/* stdin */
continue;
if (strcmp(argv[n], "-o") == 0) {
if (n < argc - 1) {
if ((strlen(argv[n + 1]) == 1) && (argv[n + 1][0] == '-'))
stdoutf = 1;
else
output = argv[n + 1];
n++;
continue;
} else
Usage();
}
if (strcmp(argv[n], "-nod") == 0) {
nod = 1;
continue;
}
if (strcmp(argv[n], "-nom") == 0) {
nom = 1;
continue;
}
if (strcmp(argv[n], "-sc") == 0) {
if (n < argc - 2) {
valuemask |= XpmColorSymbols;
symbols[numsymbols].name = argv[++n];
symbols[numsymbols++].value = argv[++n];
continue;
} else
Usage();
}
if (strcmp(argv[n], "-sp") == 0) {
if (n < argc - 2) {
valuemask |= XpmColorSymbols;
symbols[numsymbols].name = argv[++n];
symbols[numsymbols].value = NULL;
symbols[numsymbols++].pixel = atol(argv[++n]);
continue;
}
}
if (strcmp(argv[n], "-cp") == 0) {
if (n < argc - 2) {
valuemask |= XpmColorSymbols;
symbols[numsymbols].name = NULL;
symbols[numsymbols].value = argv[++n];
symbols[numsymbols++].pixel = atol(argv[++n]);
continue;
}
}
if (strcmp(argv[n], "-mono") == 0) {
valuemask |= XpmColorKey;
view.attributes.color_key = XPM_MONO;
continue;
}
if (strcmp(argv[n], "-gray4") == 0 || strcmp(argv[n], "-grey4") == 0) {
valuemask |= XpmColorKey;
view.attributes.color_key = XPM_GRAY4;
continue;
}
if (strcmp(argv[n], "-gray") == 0 || strcmp(argv[n], "-grey") == 0) {
valuemask |= XpmColorKey;
view.attributes.color_key = XPM_GRAY;
continue;
}
if (strcmp(argv[n], "-color") == 0) {
valuemask |= XpmColorKey;
view.attributes.color_key = XPM_COLOR;
continue;
}
if (strncmp(argv[n], "-closecolors", 6) == 0) {
valuemask |= XpmCloseness;
view.attributes.closeness = 40000;
continue;
}
if (strcmp(argv[n], "-rgb") == 0) {
if (n < argc - 1) {
valuemask |= XpmRgbFilename;
view.attributes.rgb_fname = argv[++n];
continue;
} else
Usage();
}
if (strncmp(argv[n], "-version", 4) == 0) {
VersionInfo();
exit(0);
}
if (strcmp(argv[n], "-v") == 0) {
verbose = 1;
continue;
}
if (strcmp(argv[n], "-pcmap") == 0) {
valuemask |= XpmColormap;
continue;
}
Usage();
}
XtRealizeWidget(topw);
if (valuemask & XpmColormap) {
colormap = XCreateColormap(dpy, win,
DefaultVisual(dpy, DefaultScreen(dpy)),
AllocNone);
view.attributes.colormap = colormap;
XSetWindowColormap(dpy, win, colormap);
}
view.attributes.colorsymbols = symbols;
view.attributes.numsymbols = numsymbols;
view.attributes.valuemask = valuemask;
#ifdef Debug
/* this is just to test the XpmCreateDataFromPixmap function */
view.attributes.valuemask |= XpmReturnAllocPixels;
view.attributes.valuemask |= XpmReturnExtensions;
ErrorStatus = XpmCreatePixmapFromData(dpy, win, plaid,
&view.pixmap, &view.mask,
&view.attributes);
ErrorMessage(ErrorStatus, "Plaid");
ErrorStatus = XpmCreateDataFromPixmap(dpy, &data, view.pixmap, view.mask,
&view.attributes);
ErrorMessage(ErrorStatus, "Data");
if (verbose && view.attributes.nextensions) {
unsigned int i, j;
for (i = 0; i < view.attributes.nextensions; i++) {
fprintf(stderr, "Xpm extension : %s\n",
view.attributes.extensions[i].name);
for (j = 0; j < view.attributes.extensions[i].nlines; j++)
fprintf(stderr, "\t\t%s\n",
view.attributes.extensions[i].lines[j]);
}
}
XFreePixmap(dpy, view.pixmap);
if (view.mask)
XFreePixmap(dpy, view.mask);
XFreeColors(dpy, colormap,
view.attributes.alloc_pixels,
view.attributes.nalloc_pixels, 0);
XpmFreeAttributes(&view.attributes);
view.attributes.valuemask = valuemask;
#endif
if (input || stdinf) {
view.attributes.valuemask |= XpmReturnInfos;
view.attributes.valuemask |= XpmReturnAllocPixels;
view.attributes.valuemask |= XpmReturnExtensions;
#ifdef Debug
XpmFree(data);
/*
* this is just to test the XpmCreatePixmapFromBuffer and
* XpmCreateBufferFromPixmap functions
*/
ErrorStatus = XpmReadFileToBuffer(input, &buffer);
ErrorMessage(ErrorStatus, "CreateBufferFromFile");
ErrorStatus = XpmCreatePixmapFromBuffer(dpy, win, buffer,
&view.pixmap, &view.mask,
&view.attributes);
ErrorMessage(ErrorStatus, "CreatePixmapFromBuffer");
XpmFree(buffer);
ErrorStatus = XpmCreateBufferFromPixmap(dpy, &buffer,
view.pixmap, view.mask,
&view.attributes);
ErrorMessage(ErrorStatus, "CreateBufferFromPixmap");
ErrorStatus = XpmWriteFileFromBuffer("buffer_output", buffer);
ErrorMessage(ErrorStatus, "WriteFileFromBuffer");
XpmFree(buffer);
if (view.pixmap) {
XFreePixmap(dpy, view.pixmap);
if (view.mask)
XFreePixmap(dpy, view.mask);
XFreeColors(dpy, colormap, view.attributes.alloc_pixels,
view.attributes.nalloc_pixels, 0);
XpmFreeAttributes(&view.attributes);
}
ErrorStatus = XpmReadFileToData(input, &data);
ErrorMessage(ErrorStatus, "ReadFileToData");
ErrorStatus = XpmCreatePixmapFromData(dpy, win, data,
&view.pixmap, &view.mask,
&view.attributes);
ErrorMessage(ErrorStatus, "CreatePixmapFromData");
ErrorStatus = XpmWriteFileFromData("sxpmout.xpm", data);
ErrorMessage(ErrorStatus, "WriteFileFromData");
XpmFree(data);
XpmFreeAttributes(&view.attributes);
#endif
ErrorStatus = XpmReadFileToPixmap(dpy, win, input,
&view.pixmap, &view.mask,
&view.attributes);
ErrorMessage(ErrorStatus, "Read");
if (verbose && view.attributes.nextensions) {
unsigned int i, j;
for (i = 0; i < view.attributes.nextensions; i++) {
/* L10N_Comments : Output when -v & file has extensions
%s is replaced by extension name */
fprintf(stderr, gettext("Xpm extension : %s\n"),
view.attributes.extensions[i].name);
for (j = 0; j < view.attributes.extensions[i].nlines; j++)
fprintf(stderr, "\t\t%s\n",
view.attributes.extensions[i].lines[j]);
}
}
} else {
#ifdef Debug
ErrorStatus = XpmCreatePixmapFromData(dpy, win, data,
&view.pixmap, &view.mask,
&view.attributes);
XpmFree(data);
#else
ErrorStatus = XpmCreatePixmapFromData(dpy, win, plaid,
&view.pixmap, &view.mask,
&view.attributes);
#endif
ErrorMessage(ErrorStatus, "Plaid");
}
if (output || stdoutf) {
ErrorStatus = XpmWriteFileFromPixmap(dpy, output, view.pixmap,
view.mask, &view.attributes);
ErrorMessage(ErrorStatus, "Write");
}
if (!nod) {
/*
* manage display if requested
*/
XSizeHints size_hints;
char *xString = NULL;
if (w_rtn && h_rtn
&& ((w_rtn < view.attributes.width)
|| h_rtn < view.attributes.height)) {
resize = 1;
}
if (resize) {
XtResizeWidget(topw,
view.attributes.width, view.attributes.height, 1);
}
if (incResize) {
size_hints.flags = USSize | PMinSize | PResizeInc;
size_hints.height = view.attributes.height;
size_hints.width = view.attributes.width;
size_hints.height_inc = view.attributes.height;
size_hints.width_inc = view.attributes.width;
} else
size_hints.flags = PMinSize;
size_hints.min_height = view.attributes.height;
size_hints.min_width = view.attributes.width;
XSetWMNormalHints(dpy, win, &size_hints);
if (input) {
xString = (char *) XtMalloc((sizeof(char) * strlen(input)) + 20);
sprintf(xString, "Sxpm: %s", input);
XStoreName(dpy, win, xString);
XSetIconName(dpy, win, xString);
} else if (stdinf) {
XStoreName(dpy, win, "Sxpm: stdin");
XSetIconName(dpy, win, "Sxpm: stdin");
} else {
XStoreName(dpy, win, "Sxpm");
XSetIconName(dpy, win, "Sxpm");
}
XtAddEventHandler(topw, KeyPressMask, False,
(XtEventHandler) kinput, NULL);
XSetWindowBackgroundPixmap(dpy, win, view.pixmap);
if (view.mask && !nom)
XShapeCombineMask(dpy, win, ShapeBounding, 0, 0,
view.mask, ShapeSet);
XClearWindow(dpy, win);
XtMapWidget(topw);
if (xString)
XtFree(xString);
XtMainLoop();
}
Punt(0);
/* Muffle gcc */
return 0;
}
void
Usage(void)
{
/* L10N_Comments : Usage message (sxpm -h) in two parts.
In the first part %s is replaced by the command name. */
fprintf(stderr, gettext("\nUsage: %s [options...]\n"), command[0]);
fprintf(stderr, gettext("Where options are:\n\
\n\
[-d host:display] Display to connect to.\n\
[-g geom] Geometry of window.\n\
[-hints] Set ResizeInc for window.\n\
[-icon filename] Set pixmap for iconWindow.\n\
[-plaid] Read the included plaid pixmap.\n\
[filename] Read from file 'filename', and from standard\n\
input if 'filename' is '-'.\n\
[-o filename] Write to file 'filename', and to standard\n\
output if 'filename' is '-'.\n\
[-pcmap] Use a private colormap.\n\
[-closecolors] Try to use `close' colors.\n\
[-nod] Don't display in window.\n\
[-nom] Don't use clip mask if any.\n\
[-mono] Use the colors specified for a monochrome visual.\n\
[-grey4] Use the colors specified for a 4 greyscale visual.\n\
[-grey] Use the colors specified for a greyscale visual.\n\
[-color] Use the colors specified for a color visual.\n\
[-sc symbol color] Override color defaults.\n\
[-sp symbol pixel] Override color defaults.\n\
[-cp color pixel] Override color defaults.\n\
[-rgb filename] Search color names in the rgb text file 'filename'.\n\
[-v] Verbose - print out extensions.\n\
[-version] Print out program's version number\n\
and library's version number if different.\n\
if no input is specified sxpm reads from standard input.\n\
\n"));
exit(0);
}
void
ErrorMessage(
int ErrorStatus,
char *tag)
{
char *error = NULL;
char *warning = NULL;
switch (ErrorStatus) {
case XpmSuccess:
return;
case XpmColorError:
/* L10N_Comments : The following set of messages are classified as
either errors or warnings. Based on the class of message, different
wrappers are selected at the end to state the message source & class.
L10N_Comments : WARNING produced when filename can be read, but
contains an invalid color specification (need to create test case)*/
warning = gettext("Could not parse or alloc requested color");
break;
case XpmOpenFailed:
/* L10N_Comments : ERROR produced when filename does not exist
or insufficient permissions to open (i.e. sxpm /no/such/file ) */
error = gettext("Cannot open file");
break;
case XpmFileInvalid:
/* L10N_Comments : ERROR produced when filename can be read, but
is not an XPM file (i.e. sxpm /dev/null ) */
error = gettext("Invalid XPM file");
break;
case XpmNoMemory:
/* L10N_Comments : ERROR produced when filename can be read, but
is too big for memory
(i.e. limit datasize 32 ; sxpm /usr/dt/backdrops/Crochet.pm ) */
error = gettext("Not enough memory");
break;
case XpmColorFailed:
/* L10N_Comments : ERROR produced when filename can be read, but
contains an invalid color specification (need to create test case)*/
error = gettext("Failed to parse or alloc some color");
break;
}
if (warning)
/* L10N_Comments : Wrapper around above WARNING messages.
First %s is the tag for the operation that produced the warning.
Second %s is the message selected from the above set. */
fprintf(stderr, gettext("%s Xpm Warning: %s.\n"), tag, warning);
if (error) {
/* L10N_Comments : Wrapper around above ERROR messages.
First %s is the tag for the operation that produced the error.
Second %s is the message selected from the above set */
fprintf(stderr, gettext("%s Xpm Error: %s.\n"), tag, error);
Punt(1);
}
}
void
Punt(int i)
{
if (icon.pixmap) {
XFreePixmap(dpy, icon.pixmap);
if (icon.mask)
XFreePixmap(dpy, icon.mask);
XFreeColors(dpy, colormap,
icon.attributes.alloc_pixels,
icon.attributes.nalloc_pixels, 0);
XpmFreeAttributes(&icon.attributes);
}
if (view.pixmap) {
XFreePixmap(dpy, view.pixmap);
if (view.mask)
XFreePixmap(dpy, view.mask);
XFreeColors(dpy, colormap,
view.attributes.alloc_pixels,
view.attributes.nalloc_pixels, 0);
XpmFreeAttributes(&view.attributes);
}
exit(i);
}
void
kinput(
Widget widget,
char *tag,
XEvent *xe,
Boolean *b)
{
char c = '\0';
XLookupString(&(xe->xkey), &c, 1, NULL, NULL);
if (c == 'q' || c == 'Q')
Punt(0);
}
/*
* small function to extract various version numbers from the given global
* number (following the rule described in xpm.h).
*/
void
GetNumbers(
int num,
int *format_return,
int *libmajor_return,
char *libminor_return)
{
*format_return = num / 10000;
*libmajor_return = (num % 10000) / 100;
*libminor_return = 'a' + (num % 10000) % 100 - 1;
}
void
VersionInfo(void)
{
int format, libmajor;
char libminor;
GetNumbers(XpmIncludeVersion, &format, &libmajor, &libminor);
/* L10N_Comments : sxpm -version output */
fprintf(stderr, gettext("sxpm version: %d.%d%c\n"),
format, libmajor, libminor);
/* L10N_Comments :
* if we are linked to an XPM library different from the one we've been
* compiled with, print its own number too when sxpm -version is called.
*/
if (XpmIncludeVersion != XpmLibraryVersion()) {
GetNumbers(XpmLibraryVersion(), &format, &libmajor, &libminor);
fprintf(stderr, gettext("using the XPM library version: %d.%d%c\n"),
format, libmajor, libminor);
}
}
Reference in New Issue View Git Blame Copy Permalink