[wxWidgets.git] / src / mac / xpm / CrDatFrI.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.
 */

/*****************************************************************************\
*  CrDataFI.c:                                                                *
*                                                                             *
*  XPM library                                                                *
*  Scan an image and possibly its mask and create an XPM array                *
*                                                                             *
*  Developed by Arnaud Le Hors                                                *
\*****************************************************************************/

#include "XpmI.h"

LFUNC(CreateColors, int, (char **dataptr, unsigned int *data_size,
			  XpmColor *colors, unsigned int ncolors,
			  unsigned int cpp));

LFUNC(CreatePixels, void, (char **dataptr, unsigned int width,
			   unsigned int height, unsigned int cpp,
			   unsigned int *pixels, XpmColor *colors));

LFUNC(CountExtensions, void, (XpmExtension *ext, unsigned int num,
			      unsigned int *ext_size,
			      unsigned int *ext_nlines));

LFUNC(CreateExtensions, void, (char **dataptr, unsigned int offset,
			       XpmExtension *ext, unsigned int num,
			       unsigned int ext_nlines));

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

    /* initialize return value */
    if (data_return)
	*data_return = NULL;

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

    /* create the data from the XpmImage */
    if (attributes) {
	xpmSetInfo(&info, attributes);
	ErrorStatus = XpmCreateDataFromXpmImage(data_return, &xpmimage, &info);
    } else
	ErrorStatus = XpmCreateDataFromXpmImage(data_return, &xpmimage, NULL);

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

    return (ErrorStatus);
}

#undef RETURN
#define RETURN(status) \
{ \
      ErrorStatus = status; \
      goto exit; \
}

int
XpmCreateDataFromXpmImage(data_return, image, info)
    char ***data_return;
    XpmImage *image;
    XpmInfo *info;
{
    /* calculation variables */
    int ErrorStatus;
    char buf[BUFSIZ];
    char **header = NULL, **data, **sptr, **sptr2, *s;
    unsigned int header_size, header_nlines;
    unsigned int data_size, data_nlines;
    unsigned int extensions = 0, ext_size = 0, ext_nlines = 0;
    unsigned int offset, l, n;

    *data_return = NULL;

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

    /* compute the number of extensions lines and size */
    if (extensions)
	CountExtensions(info->extensions, info->nextensions,
			&ext_size, &ext_nlines);

    /*
     * alloc a temporary array of char pointer for the header section which
     * is the hints line + the color table lines
     */
    header_nlines = 1 + image->ncolors;
    header_size = sizeof(char *) * header_nlines;
    header = (char **) XpmCalloc(header_size, sizeof(char *));
    if (!header)
	return (XpmNoMemory);

    /* print the hints line */
    s = buf;
#ifndef VOID_SPRINTF
    s +=
#endif
    sprintf(s, "%d %d %d %d", image->width, image->height,
	    image->ncolors, image->cpp);
#ifdef VOID_SPRINTF
    s += strlen(s);
#endif

    if (info && (info->valuemask & XpmHotspot)) {
#ifndef VOID_SPRINTF
	s +=
#endif
	sprintf(s, " %d %d", info->x_hotspot, info->y_hotspot);
#ifdef VOID_SPRINTF
	s += strlen(s);
#endif
    }
    if (extensions) {
	strcpy(s, " XPMEXT");
	s += 7;
    }
    l = s - buf + 1;
    *header = (char *) XpmMalloc(l);
    if (!*header)
	RETURN(XpmNoMemory);
    header_size += l;
    strcpy(*header, buf);

    /* print colors */
    ErrorStatus = CreateColors(header + 1, &header_size,
			       image->colorTable, image->ncolors, image->cpp);

    if (ErrorStatus != XpmSuccess)
	RETURN(ErrorStatus);

    /* now we know the size needed, alloc the data and copy the header lines */
    offset = image->width * image->cpp + 1;
    data_size = header_size + (image->height + ext_nlines) * sizeof(char *)
	+ image->height * offset + ext_size;

    data = (char **) XpmMalloc(data_size);
    if (!data)
	RETURN(XpmNoMemory);

    data_nlines = header_nlines + image->height + ext_nlines;
    *data = (char *) (data + data_nlines);
    n = image->ncolors;
    for (l = 0, sptr = data, sptr2 = header; l <= n; l++, sptr++, sptr2++) {
	strcpy(*sptr, *sptr2);
	*(sptr + 1) = *sptr + strlen(*sptr2) + 1;
    }

    /* print pixels */
    data[header_nlines] = (char *) data + header_size
	+ (image->height + ext_nlines) * sizeof(char *);

    CreatePixels(data + header_nlines, image->width, image->height,
		 image->cpp, image->data, image->colorTable);

    /* print extensions */
    if (extensions)
	CreateExtensions(data + header_nlines + image->height - 1, offset,
			 info->extensions, info->nextensions,
			 ext_nlines);

    *data_return = data;
    ErrorStatus = XpmSuccess;

/* exit point, free only locally allocated variables */
exit:
    if (header) {
	for (l = 0; l < header_nlines; l++)
	    if (header[l])
		XpmFree(header[l]);
		XpmFree(header);
    }
    return(ErrorStatus);
}

static int
CreateColors(dataptr, data_size, colors, ncolors, cpp)
    char **dataptr;
    unsigned int *data_size;
    XpmColor *colors;
    unsigned int ncolors;
    unsigned int cpp;
{
    char buf[BUFSIZ];
    unsigned int a, key, l;
    char *s, *s2;
    char **defaults;

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

	defaults = (char **) colors;
	strncpy(buf, *defaults++, cpp);
	s = buf + cpp;

	for (key = 1; key <= NKEYS; key++, defaults++) {
	    if ((s2 = *defaults)!=NULL) {
#ifndef VOID_SPRINTF
		s +=
#endif
		sprintf(s, "\t%s %s", xpmColorKeys[key - 1], s2);
#ifdef VOID_SPRINTF
		s += strlen(s);
#endif
	    }
	}
	l = s - buf + 1;
	s = (char *) XpmMalloc(l);
	if (!s)
	    return (XpmNoMemory);
	*data_size += l;
	*dataptr = strcpy(s, buf);
    }
    return (XpmSuccess);
}

static void
CreatePixels(dataptr, width, height, cpp, pixels, colors)
    char **dataptr;
    unsigned int width;
    unsigned int height;
    unsigned int cpp;
    unsigned int *pixels;
    XpmColor *colors;
{
    char *s;
    unsigned int x, y, h, offset;

    h = height - 1;
    offset = width * cpp + 1;
    for (y = 0; y < h; y++, dataptr++) {
	s = *dataptr;
	for (x = 0; x < width; x++, pixels++) {
	    strncpy(s, colors[*pixels].string, cpp);
	    s += cpp;
	}
	*s = '\0';
	*(dataptr + 1) = *dataptr + offset;
    }
    /* duplicate some code to avoid a test in the loop */
    s = *dataptr;
    for (x = 0; x < width; x++, pixels++) {
	strncpy(s, colors[*pixels].string, cpp);
	s += cpp;
    }
    *s = '\0';
}

static void
CountExtensions(ext, num, ext_size, ext_nlines)
    XpmExtension *ext;
    unsigned int num;
    unsigned int *ext_size;
    unsigned int *ext_nlines;
{
    unsigned int x, y, a, size, nlines;
    char **line;

    size = 0;
    nlines = 0;
    for (x = 0; x < num; x++, ext++) {
	/* 1 for the name */
	nlines += ext->nlines + 1;
	/* 8 = 7 (for "XPMEXT ") + 1 (for 0) */
	size += strlen(ext->name) + 8;
	a = ext->nlines;
	for (y = 0, line = ext->lines; y < a; y++, line++)
	    size += strlen(*line) + 1;
    }
    /* 10 and 1 are for the ending "XPMENDEXT" */
    *ext_size = size + 10;
    *ext_nlines = nlines + 1;
}

static void
CreateExtensions(dataptr, offset, ext, num, ext_nlines)
    char **dataptr;
    unsigned int offset;
    XpmExtension *ext;
    unsigned int num;
    unsigned int ext_nlines;
{
    unsigned int x, y, a, b;
    char **line;

    *(dataptr + 1) = *dataptr + offset;
    dataptr++;
    a = 0;
    for (x = 0; x < num; x++, ext++) {
	sprintf(*dataptr, "XPMEXT %s", ext->name);
	a++;
	if (a < ext_nlines)
	    *(dataptr + 1) = *dataptr + strlen(ext->name) + 8;
	dataptr++;
	b = ext->nlines;
	for (y = 0, line = ext->lines; y < b; y++, line++) {
	    strcpy(*dataptr, *line);
	    a++;
	    if (a < ext_nlines)
		*(dataptr + 1) = *dataptr + strlen(*line) + 1;
	    dataptr++;
	}
    }
    strcpy(*dataptr, "XPMENDEXT");
}
Commit	Line	Data
0240e8b1 SC	1	/*
	2	* Copyright (C) 1989-95 GROUPE BULL
	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	/*****************************************************************************\
	27	* CrDataFI.c: *
	28	* *
	29	* XPM library *
	30	* Scan an image and possibly its mask and create an XPM array *
	31	* *
	32	* Developed by Arnaud Le Hors *
	33	\*****************************************************************************/
	34
2f1ae414	35	#include "XpmI.h"
0240e8b1 SC	36
	37	LFUNC(CreateColors, int, (char *dataptr, unsigned int data_size,
	38	XpmColor *colors, unsigned int ncolors,
	39	unsigned int cpp));
	40
	41	LFUNC(CreatePixels, void, (char **dataptr, unsigned int width,
	42	unsigned int height, unsigned int cpp,
	43	unsigned int pixels, XpmColor colors));
	44
	45	LFUNC(CountExtensions, void, (XpmExtension *ext, unsigned int num,
	46	unsigned int *ext_size,
	47	unsigned int *ext_nlines));
	48
	49	LFUNC(CreateExtensions, void, (char **dataptr, unsigned int offset,
	50	XpmExtension *ext, unsigned int num,
	51	unsigned int ext_nlines));
	52
	53	int
	54	XpmCreateDataFromImage(display, data_return, image, shapeimage, attributes)
	55	Display *display;
	56	char ***data_return;
	57	XImage *image;
	58	XImage *shapeimage;
	59	XpmAttributes *attributes;
	60	{
	61	XpmImage xpmimage;
	62	XpmInfo info;
	63	int ErrorStatus;
	64
	65	/* initialize return value */
	66	if (data_return)
	67	*data_return = NULL;
	68
	69	/* create an XpmImage from the image */
	70	ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage,
	71	&xpmimage, attributes);
	72	if (ErrorStatus != XpmSuccess)
	73	return (ErrorStatus);
	74
	75	/* create the data from the XpmImage */
	76	if (attributes) {
	77	xpmSetInfo(&info, attributes);
	78	ErrorStatus = XpmCreateDataFromXpmImage(data_return, &xpmimage, &info);
	79	} else
	80	ErrorStatus = XpmCreateDataFromXpmImage(data_return, &xpmimage, NULL);
	81
	82	/* free the XpmImage */
	83	XpmFreeXpmImage(&xpmimage);
	84
	85	return (ErrorStatus);
	86	}
	87
	88	#undef RETURN
	89	#define RETURN(status) \
	90	{ \
	91	ErrorStatus = status; \
	92	goto exit; \
	93	}
	94
	95	int
	96	XpmCreateDataFromXpmImage(data_return, image, info)
	97	char ***data_return;
	98	XpmImage *image;
	99	XpmInfo *info;
100	{
101	/* calculation variables */
102	int ErrorStatus;
103	char buf[BUFSIZ];
104	char header = NULL, data, sptr, sptr2, *s;
105	unsigned int header_size, header_nlines;
106	unsigned int data_size, data_nlines;
107	unsigned int extensions = 0, ext_size = 0, ext_nlines = 0;
108	unsigned int offset, l, n;
109
110	*data_return = NULL;
111
112	extensions = info && (info->valuemask & XpmExtensions)
113	&& info->nextensions;
114
115	/* compute the number of extensions lines and size */
116	if (extensions)
117	CountExtensions(info->extensions, info->nextensions,
118	&ext_size, &ext_nlines);
119
120	/*
121	* alloc a temporary array of char pointer for the header section which
122	* is the hints line + the color table lines
123	*/
124	header_nlines = 1 + image->ncolors;
125	header_size = sizeof(char ) header_nlines;
126	header = (char *) XpmCalloc(header_size, sizeof(char ));
127	if (!header)
128	return (XpmNoMemory);
129
130	/* print the hints line */
131	s = buf;
132	#ifndef VOID_SPRINTF
133	s +=
134	#endif
135	sprintf(s, "%d %d %d %d", image->width, image->height,
136	image->ncolors, image->cpp);
137	#ifdef VOID_SPRINTF
138	s += strlen(s);
139	#endif
140
141	if (info && (info->valuemask & XpmHotspot)) {
142	#ifndef VOID_SPRINTF
143	s +=
144	#endif
145	sprintf(s, " %d %d", info->x_hotspot, info->y_hotspot);
146	#ifdef VOID_SPRINTF
147	s += strlen(s);
148	#endif
149	}
150	if (extensions) {
151	strcpy(s, " XPMEXT");
152	s += 7;
153	}
154	l = s - buf + 1;
155	header = (char ) XpmMalloc(l);
156	if (!*header)
157	RETURN(XpmNoMemory);
158	header_size += l;
159	strcpy(*header, buf);
160
161	/* print colors */
162	ErrorStatus = CreateColors(header + 1, &header_size,
163	image->colorTable, image->ncolors, image->cpp);
164
165	if (ErrorStatus != XpmSuccess)
166	RETURN(ErrorStatus);
167
168	/* now we know the size needed, alloc the data and copy the header lines */
169	offset = image->width * image->cpp + 1;
170	data_size = header_size + (image->height + ext_nlines) * sizeof(char *)
171	+ image->height * offset + ext_size;
172
173	data = (char **) XpmMalloc(data_size);
174	if (!data)
175	RETURN(XpmNoMemory);
176
177	data_nlines = header_nlines + image->height + ext_nlines;
178	data = (char ) (data + data_nlines);
179	n = image->ncolors;
180	for (l = 0, sptr = data, sptr2 = header; l <= n; l++, sptr++, sptr2++) {
181	strcpy(sptr, sptr2);
182	(sptr + 1) = sptr + strlen(*sptr2) + 1;
183	}
184
185	/* print pixels */
186	data[header_nlines] = (char *) data + header_size
187	+ (image->height + ext_nlines) * sizeof(char *);
188
189	CreatePixels(data + header_nlines, image->width, image->height,
190	image->cpp, image->data, image->colorTable);
191
192	/* print extensions */
193	if (extensions)
194	CreateExtensions(data + header_nlines + image->height - 1, offset,
195	info->extensions, info->nextensions,
196	ext_nlines);
197
198	*data_return = data;
199	ErrorStatus = XpmSuccess;
200
201	/* exit point, free only locally allocated variables */
202	exit:
203	if (header) {
204	for (l = 0; l < header_nlines; l++)
205	if (header[l])
206	XpmFree(header[l]);
207	XpmFree(header);
208	}
209	return(ErrorStatus);
210	}
211
212	static int
213	CreateColors(dataptr, data_size, colors, ncolors, cpp)
214	char **dataptr;
215	unsigned int *data_size;
216	XpmColor *colors;
217	unsigned int ncolors;
218	unsigned int cpp;
219	{
220	char buf[BUFSIZ];
221	unsigned int a, key, l;
222	char s, s2;
223	char **defaults;
224
225	for (a = 0; a < ncolors; a++, colors++, dataptr++) {
226
227	defaults = (char **) colors;
228	strncpy(buf, *defaults++, cpp);
229	s = buf + cpp;
230
231	for (key = 1; key <= NKEYS; key++, defaults++) {
232	if ((s2 = *defaults)!=NULL) {
233	#ifndef VOID_SPRINTF
234	s +=
235	#endif
236	sprintf(s, "\t%s %s", xpmColorKeys[key - 1], s2);
237	#ifdef VOID_SPRINTF
238	s += strlen(s);
239	#endif
240	}
241	}
242	l = s - buf + 1;
243	s = (char *) XpmMalloc(l);
244	if (!s)
245	return (XpmNoMemory);
246	*data_size += l;
247	*dataptr = strcpy(s, buf);
248	}
249	return (XpmSuccess);
250	}
251
252	static void
253	CreatePixels(dataptr, width, height, cpp, pixels, colors)
254	char **dataptr;
255	unsigned int width;
256	unsigned int height;
257	unsigned int cpp;
258	unsigned int *pixels;
259	XpmColor *colors;
260	{
261	char *s;
262	unsigned int x, y, h, offset;
263
264	h = height - 1;
265	offset = width * cpp + 1;
266	for (y = 0; y < h; y++, dataptr++) {
267	s = *dataptr;
268	for (x = 0; x < width; x++, pixels++) {
269	strncpy(s, colors[*pixels].string, cpp);
270	s += cpp;
271	}
272	*s = '\0';
273	(dataptr + 1) = dataptr + offset;
274	}
275	/* duplicate some code to avoid a test in the loop */
276	s = *dataptr;
277	for (x = 0; x < width; x++, pixels++) {
278	strncpy(s, colors[*pixels].string, cpp);
279	s += cpp;
280	}
281	*s = '\0';
282	}
283
284	static void
285	CountExtensions(ext, num, ext_size, ext_nlines)
286	XpmExtension *ext;
287	unsigned int num;
288	unsigned int *ext_size;
289	unsigned int *ext_nlines;
290	{
291	unsigned int x, y, a, size, nlines;
292	char **line;
293
294	size = 0;
295	nlines = 0;
296	for (x = 0; x < num; x++, ext++) {
297	/* 1 for the name */
298	nlines += ext->nlines + 1;
299	/* 8 = 7 (for "XPMEXT ") + 1 (for 0) */
300	size += strlen(ext->name) + 8;
301	a = ext->nlines;
302	for (y = 0, line = ext->lines; y < a; y++, line++)
303	size += strlen(*line) + 1;
304	}
305	/* 10 and 1 are for the ending "XPMENDEXT" */
306	*ext_size = size + 10;
307	*ext_nlines = nlines + 1;
308	}
309
310	static void
311	CreateExtensions(dataptr, offset, ext, num, ext_nlines)
312	char **dataptr;
313	unsigned int offset;
314	XpmExtension *ext;
315	unsigned int num;
316	unsigned int ext_nlines;
317	{
318	unsigned int x, y, a, b;
319	char **line;
320
321	(dataptr + 1) = dataptr + offset;
322	dataptr++;
323	a = 0;
324	for (x = 0; x < num; x++, ext++) {
325	sprintf(*dataptr, "XPMEXT %s", ext->name);
326	a++;
327	if (a < ext_nlines)
328	(dataptr + 1) = dataptr + strlen(ext->name) + 8;
329	dataptr++;
330	b = ext->nlines;
331	for (y = 0, line = ext->lines; y < b; y++, line++) {
332	strcpy(dataptr, line);
333	a++;
334	if (a < ext_nlines)
335	(dataptr + 1) = dataptr + strlen(*line) + 1;
336	dataptr++;
337	}
338	}
339	strcpy(*dataptr, "XPMENDEXT");
340	}