[wxWidgets.git] / src / xpm / RdFToI.c

/*
 * 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.
 */

/*****************************************************************************\
*  RdFToI.c:                                                                  *
*                                                                             *
*  XPM library                                                                *
*  Parse an XPM file and create the image and possibly its mask               *
*                                                                             *
*  Developed by Arnaud Le Hors                                                *
\*****************************************************************************/

#include "XpmI.h"
#include <sys/stat.h>
#if !defined(NO_ZPIPE) && defined(WIN32)
# define popen _popen
# define pclose _pclose
# if defined(STAT_ZFILE)
#  include <io.h>
#  define stat _stat
#  define fstat _fstat
# endif
#endif

LFUNC(OpenReadFile, int, (char *filename, xpmData *mdata));
LFUNC(xpmDataClose, void, (xpmData *mdata));

#ifndef CXPMPROG
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
int XpmReadFileToImage(
  Display*       display
, char*          filename
, XImage**       image_return
, XImage**       shapeimage_return
, XpmAttributes* attributes
)
#else
int
XpmReadFileToImage(display, filename,
		   image_return, shapeimage_return, attributes)
    Display *display;
    char *filename;
    XImage **image_return;
    XImage **shapeimage_return;
    XpmAttributes *attributes;
#endif
{
    XpmImage image;
    XpmInfo info;
    int ErrorStatus;
    xpmData mdata;

    xpmInitXpmImage(&image);
    xpmInitXpmInfo(&info);

    /* open file to read */
    if ((ErrorStatus = OpenReadFile(filename, &mdata)) != XpmSuccess)
	return (ErrorStatus);

    /* create the XImage from the XpmData */
    if (attributes) {
	xpmInitAttributes(attributes);
	xpmSetInfoMask(&info, attributes);
	ErrorStatus = xpmParseDataAndCreate(display, &mdata,
					    image_return, shapeimage_return,
					    &image, &info, attributes);
    } else
	ErrorStatus = xpmParseDataAndCreate(display, &mdata,
					    image_return, shapeimage_return,
					    &image, NULL, attributes);
    if (attributes) {
	if (ErrorStatus >= 0)		/* no fatal error */
	    xpmSetAttributes(attributes, &image, &info);
	XpmFreeXpmInfo(&info);
    }

    xpmDataClose(&mdata);
    /* free the XpmImage */
    XpmFreeXpmImage(&image);

    return (ErrorStatus);
}

#ifdef __OS2__
#define popen fopen
#define pclose fclose
/* Visual Age cannot deal with old, non-ansi, code */
int XpmReadFileToXpmImage(
  char*     filename
, XpmImage* image
, XpmInfo*  info
)
#else
int
XpmReadFileToXpmImage(filename, image, info)
    char *filename;
    XpmImage *image;
    XpmInfo *info;
#endif
{
    xpmData mdata;
    int ErrorStatus;

    /* init returned values */
    xpmInitXpmImage(image);
    xpmInitXpmInfo(info);

    /* open file to read */
    if ((ErrorStatus = OpenReadFile(filename, &mdata)) != XpmSuccess)
	return (ErrorStatus);

    /* create the XpmImage from the XpmData */
    ErrorStatus = xpmParseData(&mdata, image, info);

    xpmDataClose(&mdata);

    return (ErrorStatus);
}
#endif /* CXPMPROG */

/*
 * open the given file to be read as an xpmData which is returned.
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
static int OpenReadFile(char* filename, xpmData* mdata)
#else
static int
OpenReadFile(filename, mdata)
    char *filename;
    xpmData *mdata;
#endif
{
#ifndef NO_ZPIPE
    char buf[BUFSIZ];
# ifdef STAT_ZFILE
    char *compressfile;
    struct stat status;
# endif
#endif

    if (!filename) {
	mdata->stream.file = (stdin);
	mdata->type = XPMFILE;
    } else {
#ifndef NO_ZPIPE
	int len = strlen(filename);
	if ((len > 2) && !strcmp(".Z", filename + (len - 2))) {
	    mdata->type = XPMPIPE;
	    sprintf(buf, "uncompress -c \"%s\"", filename);
	    if (!(mdata->stream.file = popen(buf, "r")))
		return (XpmOpenFailed);

	} else if ((len > 3) && !strcmp(".gz", filename + (len - 3))) {
	    mdata->type = XPMPIPE;
	    sprintf(buf, "gunzip -qc \"%s\"", filename);
	    if (!(mdata->stream.file = popen(buf, "r")))
		return (XpmOpenFailed);

	} else {
# ifdef STAT_ZFILE
	    if (!(compressfile = (char *) XpmMalloc(len + 4)))
		return (XpmNoMemory);

	    sprintf(compressfile, "%s.Z", filename);
	    if (!stat(compressfile, &status)) {
		sprintf(buf, "uncompress -c \"%s\"", compressfile);
		if (!(mdata->stream.file = popen(buf, "r"))) {
		    XpmFree(compressfile);
		    return (XpmOpenFailed);
		}
		mdata->type = XPMPIPE;
	    } else {
		sprintf(compressfile, "%s.gz", filename);
		if (!stat(compressfile, &status)) {
		    sprintf(buf, "gunzip -c \"%s\"", compressfile);
		    if (!(mdata->stream.file = popen(buf, "r"))) {
			XpmFree(compressfile);
			return (XpmOpenFailed);
		    }
		    mdata->type = XPMPIPE;
		} else {
# endif
#endif
		    if (!(mdata->stream.file = fopen(filename, "r"))) {
#if !defined(NO_ZPIPE) && defined(STAT_ZFILE)
			XpmFree(compressfile);
#endif
			return (XpmOpenFailed);
		    }
		    mdata->type = XPMFILE;
#ifndef NO_ZPIPE
# ifdef STAT_ZFILE
		}
	    }
	    XpmFree(compressfile);
# endif
	}
#endif
    }
    mdata->CommentLength = 0;
#ifdef CXPMPROG
    mdata->lineNum = 0;
    mdata->charNum = 0;
#endif
    return (XpmSuccess);
}

/*
 * close the file related to the xpmData if any
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
static void
xpmDataClose(xpmData* mdata)
#else
static void
xpmDataClose(mdata)
    xpmData *mdata;
#endif
{
    switch (mdata->type) {
    case XPMFILE:
	if (mdata->stream.file != (stdin))
	    fclose(mdata->stream.file);
	break;
#ifndef NO_ZPIPE
    case XPMPIPE:
	pclose(mdata->stream.file);
	break;
#endif
    }
}
Commit	Line	Data
cfbe03c9	1	/*
e6ed776f	2	* Copyright (C) 1989-95 GROUPE BULL
cfbe03c9 JS	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a copy
	5	* of this software and associated documentation files (the "Software"), to
	6	* deal in the Software without restriction, including without limitation the
	7	* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	8	* sell copies of the Software, and to permit persons to whom the Software is
	9	* furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
	18	* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	19	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	20	*
	21	* Except as contained in this notice, the name of GROUPE BULL shall not be
	22	* used in advertising or otherwise to promote the sale, use or other dealings
	23	* in this Software without prior written authorization from GROUPE BULL.
	24	*/
	25
	26	/*****************************************************************************\
e6ed776f	27	* RdFToI.c: *
cfbe03c9 JS	28	* *
	29	* XPM library *
	30	* Parse an XPM file and create the image and possibly its mask *
	31	* *
	32	* Developed by Arnaud Le Hors *
	33	\*****************************************************************************/
	34
e6ed776f GRG	35	#include "XpmI.h"
	36	#include <sys/stat.h>
	37	#if !defined(NO_ZPIPE) && defined(WIN32)
	38	# define popen _popen
	39	# define pclose _pclose
	40	# if defined(STAT_ZFILE)
	41	# include <io.h>
	42	# define stat _stat
	43	# define fstat _fstat
	44	# endif
	45	#endif
cfbe03c9	46
e6ed776f GRG	47	LFUNC(OpenReadFile, int, (char filename, xpmData mdata));
	48	LFUNC(xpmDataClose, void, (xpmData *mdata));
	49
	50	#ifndef CXPMPROG
ea258ad3 DW	51	#ifdef __OS2__
	52	/* Visual Age cannot deal with old, non-ansi, code */
	53	int XpmReadFileToImage(
	54	Display* display
	55	, char* filename
	56	, XImage** image_return
	57	, XImage** shapeimage_return
	58	, XpmAttributes* attributes
	59	)
	60	#else
cfbe03c9	61	int
e6ed776f GRG	62	XpmReadFileToImage(display, filename,
	63	image_return, shapeimage_return, attributes)
	64	Display *display;
	65	char *filename;
	66	XImage **image_return;
	67	XImage **shapeimage_return;
	68	XpmAttributes *attributes;
ea258ad3	69	#endif
cfbe03c9 JS	70	{
	71	XpmImage image;
	72	XpmInfo info;
	73	int ErrorStatus;
e6ed776f	74	xpmData mdata;
cfbe03c9	75
e6ed776f GRG	76	xpmInitXpmImage(&image);
	77	xpmInitXpmInfo(&info);
	78
	79	/* open file to read */
	80	if ((ErrorStatus = OpenReadFile(filename, &mdata)) != XpmSuccess)
	81	return (ErrorStatus);
	82
	83	/* create the XImage from the XpmData */
cfbe03c9 JS	84	if (attributes) {
	85	xpmInitAttributes(attributes);
	86	xpmSetInfoMask(&info, attributes);
e6ed776f GRG	87	ErrorStatus = xpmParseDataAndCreate(display, &mdata,
	88	image_return, shapeimage_return,
	89	&image, &info, attributes);
cfbe03c9	90	} else
e6ed776f GRG	91	ErrorStatus = xpmParseDataAndCreate(display, &mdata,
	92	image_return, shapeimage_return,
	93	&image, NULL, attributes);
cfbe03c9 JS	94	if (attributes) {
	95	if (ErrorStatus >= 0) /* no fatal error */
	96	xpmSetAttributes(attributes, &image, &info);
	97	XpmFreeXpmInfo(&info);
	98	}
e6ed776f GRG	99
e6ed776f GRG	100	xpmDataClose(&mdata);
cfbe03c9 JS	101	/* free the XpmImage */
	102	XpmFreeXpmImage(&image);
	103
	104	return (ErrorStatus);
	105	}
	106
ea258ad3 DW	107	#ifdef __OS2__
	108	#define popen fopen
	109	#define pclose fclose
	110	/* Visual Age cannot deal with old, non-ansi, code */
	111	int XpmReadFileToXpmImage(
	112	char* filename
	113	, XpmImage* image
	114	, XpmInfo* info
	115	)
	116	#else
cfbe03c9	117	int
e6ed776f GRG	118	XpmReadFileToXpmImage(filename, image, info)
	119	char *filename;
	120	XpmImage *image;
	121	XpmInfo *info;
ea258ad3	122	#endif
cfbe03c9 JS	123	{
	124	xpmData mdata;
	125	int ErrorStatus;
	126
	127	/* init returned values */
	128	xpmInitXpmImage(image);
	129	xpmInitXpmInfo(info);
	130
	131	/* open file to read */
e6ed776f	132	if ((ErrorStatus = OpenReadFile(filename, &mdata)) != XpmSuccess)
cfbe03c9 JS	133	return (ErrorStatus);
	134
	135	/* create the XpmImage from the XpmData */
	136	ErrorStatus = xpmParseData(&mdata, image, info);
	137
	138	xpmDataClose(&mdata);
	139
	140	return (ErrorStatus);
	141	}
e6ed776f GRG	142	#endif /* CXPMPROG */
	143
	144	/*
	145	* open the given file to be read as an xpmData which is returned.
	146	*/
ea258ad3 DW	147	#ifdef __OS2__
	148	/* Visual Age cannot deal with old, non-ansi, code */
	149	static int OpenReadFile(char* filename, xpmData* mdata)
	150	#else
e6ed776f GRG	151	static int
	152	OpenReadFile(filename, mdata)
	153	char *filename;
	154	xpmData *mdata;
ea258ad3	155	#endif
e6ed776f GRG	156	{
e6ed776f GRG	157	#ifndef NO_ZPIPE
3ca6a5f0	158	char buf[BUFSIZ];
e6ed776f	159	# ifdef STAT_ZFILE
3ca6a5f0	160	char *compressfile;
e6ed776f GRG	161	struct stat status;
	162	# endif
	163	#endif
	164
	165	if (!filename) {
	166	mdata->stream.file = (stdin);
	167	mdata->type = XPMFILE;
	168	} else {
	169	#ifndef NO_ZPIPE
	170	int len = strlen(filename);
	171	if ((len > 2) && !strcmp(".Z", filename + (len - 2))) {
	172	mdata->type = XPMPIPE;
	173	sprintf(buf, "uncompress -c \"%s\"", filename);
	174	if (!(mdata->stream.file = popen(buf, "r")))
	175	return (XpmOpenFailed);
	176
	177	} else if ((len > 3) && !strcmp(".gz", filename + (len - 3))) {
	178	mdata->type = XPMPIPE;
	179	sprintf(buf, "gunzip -qc \"%s\"", filename);
	180	if (!(mdata->stream.file = popen(buf, "r")))
	181	return (XpmOpenFailed);
	182
	183	} else {
	184	# ifdef STAT_ZFILE
	185	if (!(compressfile = (char *) XpmMalloc(len + 4)))
	186	return (XpmNoMemory);
	187
	188	sprintf(compressfile, "%s.Z", filename);
	189	if (!stat(compressfile, &status)) {
	190	sprintf(buf, "uncompress -c \"%s\"", compressfile);
	191	if (!(mdata->stream.file = popen(buf, "r"))) {
	192	XpmFree(compressfile);
	193	return (XpmOpenFailed);
	194	}
	195	mdata->type = XPMPIPE;
	196	} else {
	197	sprintf(compressfile, "%s.gz", filename);
	198	if (!stat(compressfile, &status)) {
	199	sprintf(buf, "gunzip -c \"%s\"", compressfile);
	200	if (!(mdata->stream.file = popen(buf, "r"))) {
	201	XpmFree(compressfile);
	202	return (XpmOpenFailed);
	203	}
	204	mdata->type = XPMPIPE;
	205	} else {
	206	# endif
	207	#endif
	208	if (!(mdata->stream.file = fopen(filename, "r"))) {
	209	#if !defined(NO_ZPIPE) && defined(STAT_ZFILE)
	210	XpmFree(compressfile);
	211	#endif
	212	return (XpmOpenFailed);
	213	}
	214	mdata->type = XPMFILE;
	215	#ifndef NO_ZPIPE
	216	# ifdef STAT_ZFILE
	217	}
	218	}
	219	XpmFree(compressfile);
	220	# endif
	221	}
	222	#endif
	223	}
	224	mdata->CommentLength = 0;
225	#ifdef CXPMPROG
226	mdata->lineNum = 0;
227	mdata->charNum = 0;
228	#endif
229	return (XpmSuccess);
230	}
231
232	/*
233	* close the file related to the xpmData if any
234	*/
ea258ad3 DW	235	#ifdef __OS2__
	236	/* Visual Age cannot deal with old, non-ansi, code */
	237	static void
	238	xpmDataClose(xpmData* mdata)
	239	#else
e6ed776f GRG	240	static void
	241	xpmDataClose(mdata)
	242	xpmData *mdata;
ea258ad3	243	#endif
e6ed776f GRG	244	{
	245	switch (mdata->type) {
	246	case XPMFILE:
	247	if (mdata->stream.file != (stdin))
	248	fclose(mdata->stream.file);
	249	break;
	250	#ifndef NO_ZPIPE
	251	case XPMPIPE:
	252	pclose(mdata->stream.file);
	253	break;
	254	#endif
	255	}
	256	}