[wxWidgets.git] / src / xpm / wrffri.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.
 */

/*****************************************************************************\
*  WrFFrI.c:                                                                  *
*                                                                             *
*  XPM library                                                                *
*  Write an image and possibly its mask to an XPM file                        *
*                                                                             *
*  Developed by Arnaud Le Hors                                                *
\*****************************************************************************/

/*
 * The code related to AMIGA has been added by
 * Lorens Younes (d93-hyo@nada.kth.se) 4/96
 */

#include "XpmI.h"
#if !defined(NO_ZPIPE) && defined(WIN32)
# define popen _popen
# define pclose _pclose
#endif

/* MS Windows define a function called WriteFile @#%#&!!! */
LFUNC(xpmWriteFile, int, (FILE *file, XpmImage *image, char *name,
			  XpmInfo *info));

LFUNC(WriteColors, void, (FILE *file, XpmColor *colors, unsigned int ncolors));

LFUNC(WritePixels, int, (FILE *file, unsigned int width, unsigned int height,
			 unsigned int cpp, unsigned int *pixels,
			 XpmColor *colors));

LFUNC(WriteExtensions, void, (FILE *file, XpmExtension *ext,
			      unsigned int num));

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

int
XpmWriteFileFromImage(display, filename, image, shapeimage, attributes)
    Display *display;
    char *filename;
    XImage *image;
    XImage *shapeimage;
    XpmAttributes *attributes;
{
    XpmImage xpmimage;
    XpmInfo info;
    int ErrorStatus;

    /* create an XpmImage from the image */
    ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage,
					     &xpmimage, attributes);
    if (ErrorStatus != XpmSuccess)
	return (ErrorStatus);

    /* write the file from the XpmImage */
    if (attributes) {
	xpmSetInfo(&info, attributes);
	ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, &info);
    } else
	ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, NULL);

    /* free the XpmImage */
    XpmFreeXpmImage(&xpmimage);

    return (ErrorStatus);
}

int
XpmWriteFileFromXpmImage(filename, image, info)
    char *filename;
    XpmImage *image;
    XpmInfo *info;
{
    xpmData mdata;
    char *name, *dot, *s, new_name[BUFSIZ];
    int ErrorStatus;

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

    /* figure out a name */
    if (filename) {
#ifdef VMS
	name = filename;
#else
	if (!(name = rindex(filename, '/'))
#ifdef AMIGA
	    && !(name = rindex(filename, ':'))
#endif
     )
	    name = filename;
	else
	    name++;
#endif
	/* let's try to make a valid C syntax name */
	if (dot = index(name, '.')) {
	    strcpy(new_name, name);
	    /* change '.' to '_' */
	    name = s = new_name;
	    while (dot = index(s, '.')) {
		*dot = '_';
		s = dot;
	    }
	}
	if (dot = index(name, '-')) {
	    if (name != new_name) {
		strcpy(new_name, name);
		name = new_name;
	    }
	    /* change '-' to '_' */
	    s = name;
	    while (dot = index(s, '-')) {
		*dot = '_';
		s = dot;
	    }
	}
    } else
	name = "image_name";

    /* write the XpmData from the XpmImage */
    if (ErrorStatus == XpmSuccess)
	ErrorStatus = xpmWriteFile(mdata.stream.file, image, name, info);

    xpmDataClose(&mdata);

    return (ErrorStatus);
}

static int
xpmWriteFile(file, image, name, info)
    FILE *file;
    XpmImage *image;
    char *name;
    XpmInfo *info;
{
    /* calculation variables */
    unsigned int cmts, extensions;
    int ErrorStatus;

    cmts = info && (info->valuemask & XpmComments);
    extensions = info && (info->valuemask & XpmExtensions)
	&& info->nextensions;

    /* print the header line */
    fprintf(file, "/* XPM */\nstatic char * %s[] = {\n", name);

    /* print the hints line */
    if (cmts && info->hints_cmt)
	fprintf(file, "/*%s*/\n", info->hints_cmt);

    fprintf(file, "\"%d %d %d %d", image->width, image->height,
	    image->ncolors, image->cpp);

    if (info && (info->valuemask & XpmHotspot))
	fprintf(file, " %d %d", info->x_hotspot, info->y_hotspot);

    if (extensions)
	fprintf(file, " XPMEXT");

    fprintf(file, "\",\n");

    /* print colors */
    if (cmts && info->colors_cmt)
	fprintf(file, "/*%s*/\n", info->colors_cmt);

    WriteColors(file, image->colorTable, image->ncolors);

    /* print pixels */
    if (cmts && info->pixels_cmt)
	fprintf(file, "/*%s*/\n", info->pixels_cmt);

    ErrorStatus = WritePixels(file, image->width, image->height, image->cpp,
			      image->data, image->colorTable);
    if (ErrorStatus != XpmSuccess)
	return (ErrorStatus);

    /* print extensions */
    if (extensions)
	WriteExtensions(file, info->extensions, info->nextensions);

    /* close the array */
    fprintf(file, "};\n");

    return (XpmSuccess);
}

static void
WriteColors(file, colors, ncolors)
    FILE *file;
    XpmColor *colors;
    unsigned int ncolors;
{
    unsigned int a, key;
    char *s;
    char **defaults;

    for (a = 0; a < ncolors; a++, colors++) {

	defaults = (char **) colors;
	fprintf(file, "\"%s", *defaults++);

	for (key = 1; key <= NKEYS; key++, defaults++) {
	    if (s = *defaults)
		fprintf(file, "\t%s %s", xpmColorKeys[key - 1], s);
	}
	fprintf(file, "\",\n");
    }
}


static int
WritePixels(file, width, height, cpp, pixels, colors)
    FILE *file;
    unsigned int width;
    unsigned int height;
    unsigned int cpp;
    unsigned int *pixels;
    XpmColor *colors;
{
    char *s, *p, *buf;
    unsigned int x, y, h;

    h = height - 1;
    p = buf = (char *) XpmMalloc(width * cpp + 3);
    if (!buf)
	return (XpmNoMemory);
    *buf = '"';
    p++;
    for (y = 0; y < h; y++) {
	s = p;
	for (x = 0; x < width; x++, pixels++) {
	    strncpy(s, colors[*pixels].string, cpp);
	    s += cpp;
	}
	*s++ = '"';
	*s = '\0';
	fprintf(file, "%s,\n", buf);
    }
    /* duplicate some code to avoid a test in the loop */
    s = p;
    for (x = 0; x < width; x++, pixels++) {
	strncpy(s, colors[*pixels].string, cpp);
	s += cpp;
    }
    *s++ = '"';
    *s = '\0';
    fprintf(file, "%s", buf);

    XpmFree(buf);
    return (XpmSuccess);
}

static void
WriteExtensions(file, ext, num)
    FILE *file;
    XpmExtension *ext;
    unsigned int num;
{
    unsigned int x, y, n;
    char **line;

    for (x = 0; x < num; x++, ext++) {
	fprintf(file, ",\n\"XPMEXT %s\"", ext->name);
	n = ext->nlines;
	for (y = 0, line = ext->lines; y < n; y++, line++)
	    fprintf(file, ",\n\"%s\"", *line);
    }
    fprintf(file, ",\n\"XPMENDEXT\"");
}

/*
 * open the given file to be written as an xpmData which is returned
 */
static int
OpenWriteFile(filename, mdata)
    char *filename;
    xpmData *mdata;
{
#ifndef NO_ZPIPE
    char buf[BUFSIZ];

#endif

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

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

	    mdata->type = XPMPIPE;
	} else {
#endif
	    if (!(mdata->stream.file = fopen(filename, "w")))
		return (XpmOpenFailed);

	    mdata->type = XPMFILE;
#ifndef NO_ZPIPE
	}
#endif
    }
    return (XpmSuccess);
}

/*
 * close the file related to the xpmData if any
 */
static void
xpmDataClose(mdata)
    xpmData *mdata;
{
    switch (mdata->type) {
    case XPMFILE:
	if (mdata->stream.file != (stdout))
	    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	* WrFFrI.c: *
cfbe03c9 JS	28	* *
	29	* XPM library *
	30	* Write an image and possibly its mask to an XPM file *
	31	* *
	32	* Developed by Arnaud Le Hors *
	33	\*****************************************************************************/
	34
e6ed776f GRG	35	/*
	36	* The code related to AMIGA has been added by
	37	* Lorens Younes (d93-hyo@nada.kth.se) 4/96
	38	*/
	39
	40	#include "XpmI.h"
	41	#if !defined(NO_ZPIPE) && defined(WIN32)
	42	# define popen _popen
	43	# define pclose _pclose
cfbe03c9 JS	44	#endif
cfbe03c9 JS	45
e6ed776f GRG	46	/* MS Windows define a function called WriteFile @#%#&!!! */
	47	LFUNC(xpmWriteFile, int, (FILE file, XpmImage image, char *name,
	48	XpmInfo *info));
cfbe03c9 JS	49
	50	LFUNC(WriteColors, void, (FILE file, XpmColor colors, unsigned int ncolors));
	51
	52	LFUNC(WritePixels, int, (FILE *file, unsigned int width, unsigned int height,
	53	unsigned int cpp, unsigned int *pixels,
	54	XpmColor *colors));
	55
	56	LFUNC(WriteExtensions, void, (FILE file, XpmExtension ext,
	57	unsigned int num));
	58
e6ed776f GRG	59	LFUNC(OpenWriteFile, int, (char filename, xpmData mdata));
	60	LFUNC(xpmDataClose, void, (xpmData *mdata));
	61
cfbe03c9	62	int
e6ed776f GRG	63	XpmWriteFileFromImage(display, filename, image, shapeimage, attributes)
	64	Display *display;
	65	char *filename;
	66	XImage *image;
	67	XImage *shapeimage;
	68	XpmAttributes *attributes;
cfbe03c9 JS	69	{
	70	XpmImage xpmimage;
	71	XpmInfo info;
	72	int ErrorStatus;
	73
	74	/* create an XpmImage from the image */
	75	ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage,
	76	&xpmimage, attributes);
	77	if (ErrorStatus != XpmSuccess)
	78	return (ErrorStatus);
	79
	80	/* write the file from the XpmImage */
	81	if (attributes) {
	82	xpmSetInfo(&info, attributes);
	83	ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, &info);
	84	} else
	85	ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, NULL);
	86
	87	/* free the XpmImage */
	88	XpmFreeXpmImage(&xpmimage);
	89
	90	return (ErrorStatus);
	91	}
	92
	93	int
e6ed776f GRG	94	XpmWriteFileFromXpmImage(filename, image, info)
	95	char *filename;
	96	XpmImage *image;
	97	XpmInfo *info;
cfbe03c9 JS	98	{
	99	xpmData mdata;
	100	char name, dot, *s, new_name[BUFSIZ];
	101	int ErrorStatus;
cfbe03c9 JS	102
cfbe03c9 JS	103	/* open file to write */
e6ed776f	104	if ((ErrorStatus = OpenWriteFile(filename, &mdata)) != XpmSuccess)
cfbe03c9 JS	105	return (ErrorStatus);
	106
	107	/* figure out a name */
	108	if (filename) {
	109	#ifdef VMS
	110	name = filename;
	111	#else
e6ed776f GRG	112	if (!(name = rindex(filename, '/'))
	113	#ifdef AMIGA
	114	&& !(name = rindex(filename, ':'))
cfbe03c9	115	#endif
e6ed776f	116	)
cfbe03c9 JS	117	name = filename;
	118	else
	119	name++;
	120	#endif
e6ed776f GRG	121	/* let's try to make a valid C syntax name */
e6ed776f GRG	122	if (dot = index(name, '.')) {
cfbe03c9	123	strcpy(new_name, name);
e6ed776f	124	/* change '.' to '_' */
cfbe03c9	125	name = s = new_name;
e6ed776f GRG	126	while (dot = index(s, '.')) {
	127	*dot = '_';
	128	s = dot;
	129	}
	130	}
	131	if (dot = index(name, '-')) {
	132	if (name != new_name) {
	133	strcpy(new_name, name);
	134	name = new_name;
	135	}
	136	/* change '-' to '_' */
	137	s = name;
	138	while (dot = index(s, '-')) {
cfbe03c9 JS	139	*dot = '_';
	140	s = dot;
	141	}
	142	}
	143	} else
	144	name = "image_name";
	145
	146	/* write the XpmData from the XpmImage */
	147	if (ErrorStatus == XpmSuccess)
e6ed776f	148	ErrorStatus = xpmWriteFile(mdata.stream.file, image, name, info);
cfbe03c9 JS	149
	150	xpmDataClose(&mdata);
	151
	152	return (ErrorStatus);
	153	}
	154
e6ed776f GRG	155	static int
	156	xpmWriteFile(file, image, name, info)
	157	FILE *file;
	158	XpmImage *image;
	159	char *name;
	160	XpmInfo *info;
cfbe03c9 JS	161	{
	162	/* calculation variables */
	163	unsigned int cmts, extensions;
cfbe03c9 JS	164	int ErrorStatus;
cfbe03c9 JS	165
cfbe03c9 JS	166	cmts = info && (info->valuemask & XpmComments);
	167	extensions = info && (info->valuemask & XpmExtensions)
	168	&& info->nextensions;
	169
	170	/* print the header line */
	171	fprintf(file, "/* XPM /\nstatic char %s[] = {\n", name);
	172
	173	/* print the hints line */
	174	if (cmts && info->hints_cmt)
	175	fprintf(file, "/%s/\n", info->hints_cmt);
	176
	177	fprintf(file, "\"%d %d %d %d", image->width, image->height,
	178	image->ncolors, image->cpp);
	179
	180	if (info && (info->valuemask & XpmHotspot))
	181	fprintf(file, " %d %d", info->x_hotspot, info->y_hotspot);
	182
	183	if (extensions)
	184	fprintf(file, " XPMEXT");
	185
	186	fprintf(file, "\",\n");
	187
	188	/* print colors */
	189	if (cmts && info->colors_cmt)
	190	fprintf(file, "/%s/\n", info->colors_cmt);
	191
	192	WriteColors(file, image->colorTable, image->ncolors);
	193
	194	/* print pixels */
	195	if (cmts && info->pixels_cmt)
	196	fprintf(file, "/%s/\n", info->pixels_cmt);
	197
	198	ErrorStatus = WritePixels(file, image->width, image->height, image->cpp,
	199	image->data, image->colorTable);
	200	if (ErrorStatus != XpmSuccess)
	201	return (ErrorStatus);
	202
	203	/* print extensions */
	204	if (extensions)
	205	WriteExtensions(file, info->extensions, info->nextensions);
	206
	207	/* close the array */
	208	fprintf(file, "};\n");
	209
	210	return (XpmSuccess);
	211	}
	212
	213	static void
e6ed776f GRG	214	WriteColors(file, colors, ncolors)
	215	FILE *file;
	216	XpmColor *colors;
	217	unsigned int ncolors;
cfbe03c9 JS	218	{
	219	unsigned int a, key;
	220	char *s;
	221	char **defaults;
	222
	223	for (a = 0; a < ncolors; a++, colors++) {
	224
	225	defaults = (char **) colors;
	226	fprintf(file, "\"%s", *defaults++);
	227
	228	for (key = 1; key <= NKEYS; key++, defaults++) {
	229	if (s = *defaults)
	230	fprintf(file, "\t%s %s", xpmColorKeys[key - 1], s);
	231	}
	232	fprintf(file, "\",\n");
	233	}
	234	}
	235
	236
	237	static int
e6ed776f GRG	238	WritePixels(file, width, height, cpp, pixels, colors)
	239	FILE *file;
	240	unsigned int width;
	241	unsigned int height;
	242	unsigned int cpp;
	243	unsigned int *pixels;
	244	XpmColor *colors;
cfbe03c9 JS	245	{
	246	char s, p, *buf;
	247	unsigned int x, y, h;
	248
	249	h = height - 1;
	250	p = buf = (char ) XpmMalloc(width cpp + 3);
	251	if (!buf)
	252	return (XpmNoMemory);
	253	*buf = '"';
	254	p++;
	255	for (y = 0; y < h; y++) {
	256	s = p;
	257	for (x = 0; x < width; x++, pixels++) {
	258	strncpy(s, colors[*pixels].string, cpp);
	259	s += cpp;
	260	}
	261	*s++ = '"';
	262	*s = '\0';
	263	fprintf(file, "%s,\n", buf);
	264	}
	265	/* duplicate some code to avoid a test in the loop */
	266	s = p;
	267	for (x = 0; x < width; x++, pixels++) {
	268	strncpy(s, colors[*pixels].string, cpp);
	269	s += cpp;
	270	}
	271	*s++ = '"';
	272	*s = '\0';
	273	fprintf(file, "%s", buf);
	274
	275	XpmFree(buf);
	276	return (XpmSuccess);
	277	}
	278
	279	static void
e6ed776f GRG	280	WriteExtensions(file, ext, num)
	281	FILE *file;
	282	XpmExtension *ext;
	283	unsigned int num;
cfbe03c9 JS	284	{
	285	unsigned int x, y, n;
	286	char **line;
	287
	288	for (x = 0; x < num; x++, ext++) {
	289	fprintf(file, ",\n\"XPMEXT %s\"", ext->name);
	290	n = ext->nlines;
	291	for (y = 0, line = ext->lines; y < n; y++, line++)
	292	fprintf(file, ",\n\"%s\"", *line);
	293	}
	294	fprintf(file, ",\n\"XPMENDEXT\"");
	295	}
e6ed776f GRG	296
	297	/*
	298	* open the given file to be written as an xpmData which is returned
	299	*/
	300	static int
	301	OpenWriteFile(filename, mdata)
	302	char *filename;
	303	xpmData *mdata;
	304	{
	305	#ifndef NO_ZPIPE
	306	char buf[BUFSIZ];
	307
	308	#endif
	309
	310	if (!filename) {
	311	mdata->stream.file = (stdout);
	312	mdata->type = XPMFILE;
	313	} else {
	314	#ifndef NO_ZPIPE
	315	int len = strlen(filename);
	316	if (len > 2 && !strcmp(".Z", filename + (len - 2))) {
	317	sprintf(buf, "compress > \"%s\"", filename);
	318	if (!(mdata->stream.file = popen(buf, "w")))
	319	return (XpmOpenFailed);
	320
	321	mdata->type = XPMPIPE;
	322	} else if (len > 3 && !strcmp(".gz", filename + (len - 3))) {
	323	sprintf(buf, "gzip -q > \"%s\"", filename);
	324	if (!(mdata->stream.file = popen(buf, "w")))
	325	return (XpmOpenFailed);
	326
	327	mdata->type = XPMPIPE;
	328	} else {
	329	#endif
	330	if (!(mdata->stream.file = fopen(filename, "w")))
	331	return (XpmOpenFailed);
	332
	333	mdata->type = XPMFILE;
	334	#ifndef NO_ZPIPE
	335	}
	336	#endif
	337	}
	338	return (XpmSuccess);
	339	}
	340
	341	/*
	342	* close the file related to the xpmData if any
	343	*/
	344	static void
	345	xpmDataClose(mdata)
	346	xpmData *mdata;
	347	{
	348	switch (mdata->type) {
	349	case XPMFILE:
	350	if (mdata->stream.file != (stdout))
	351	fclose(mdata->stream.file);
	352	break;
	353	#ifndef NO_ZPIPE
	354	case XPMPIPE:
	355	pclose(mdata->stream.file);
	356	break;
	357	#endif
	358	}
	359	}