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

/*****************************************************************************\
* Attrib.c:                                                                   *
*                                                                             *
*  XPM library                                                                *
*  Functions related to the XpmAttributes structure                           *
*                                                                             *
*  Developed by Arnaud Le Hors                                                *
\*****************************************************************************/

#include "XpmI.h"

/* 3.2 backward compatibility code */
LFUNC(CreateOldColorTable, int, (XpmColor *ct, int ncolors,
				 XpmColor ***oldct));

LFUNC(FreeOldColorTable, void, (XpmColor **colorTable, int ncolors));

/*
 * Create a colortable compatible with the old style colortable
 */
static int
CreateOldColorTable(ct, ncolors, oldct)
    XpmColor *ct;
    int ncolors;
    XpmColor ***oldct;
{
    XpmColor **colorTable, **color;
    int a;

    colorTable = (XpmColor **) XpmMalloc(ncolors * sizeof(XpmColor *));
    if (!colorTable) {
	*oldct = NULL;
	return (XpmNoMemory);
    }
    for (a = 0, color = colorTable; a < ncolors; a++, color++, ct++)
	*color = ct;
    *oldct = colorTable;
    return (XpmSuccess);
}

static void
FreeOldColorTable(colorTable, ncolors)
    XpmColor **colorTable;
    int ncolors;
{
    int a, b;
    XpmColor **color;
    char **sptr;

    if (colorTable) {
	for (a = 0, color = colorTable; a < ncolors; a++, color++) {
	    for (b = 0, sptr = (char **) *color; b <= NKEYS; b++, sptr++)
		if (*sptr)
		    XpmFree(*sptr);
	}
	XpmFree(*colorTable);
	XpmFree(colorTable);
    }
}

/* end 3.2 bc */

/*
 * Free the computed color table
 */
void
xpmFreeColorTable(colorTable, ncolors)
    XpmColor *colorTable;
    int ncolors;
{
    int a, b;
    XpmColor *color;
    char **sptr;

    if (colorTable) {
	for (a = 0, color = colorTable; a < ncolors; a++, color++) {
	    for (b = 0, sptr = (char **) color; b <= NKEYS; b++, sptr++)
		if (*sptr)
		    XpmFree(*sptr);
	}
	XpmFree(colorTable);
    }
}

/*
 * Free array of extensions
 */
void
XpmFreeExtensions(extensions, nextensions)
    XpmExtension *extensions;
    int nextensions;
{
    unsigned int i, j, nlines;
    XpmExtension *ext;
    char **sptr;

    if (extensions) {
	for (i = 0, ext = extensions; i < nextensions; i++, ext++) {
	    if (ext->name)
		XpmFree(ext->name);
	    nlines = ext->nlines;
	    for (j = 0, sptr = ext->lines; j < nlines; j++, sptr++)
		if (*sptr)
		    XpmFree(*sptr);
	    if (ext->lines)
		XpmFree(ext->lines);
	}
	XpmFree(extensions);
    }
}

/*
 * Return the XpmAttributes structure size
 */

int
XpmAttributesSize()
{
    return sizeof(XpmAttributes);
}

/*
 * Init returned data to free safely later on
 */
void
xpmInitAttributes(attributes)
    XpmAttributes *attributes;
{
    if (attributes) {
	attributes->pixels = NULL;
	attributes->npixels = 0;
	attributes->colorTable = NULL;
	attributes->ncolors = 0;
/* 3.2 backward compatibility code */
	attributes->hints_cmt = NULL;
	attributes->colors_cmt = NULL;
	attributes->pixels_cmt = NULL;
/* end 3.2 bc */
	if (attributes->valuemask & XpmReturnExtensions) {
	    attributes->extensions = NULL;
	    attributes->nextensions = 0;
	}
	if (attributes->valuemask & XpmReturnAllocPixels) {
	    attributes->alloc_pixels = NULL;
	    attributes->nalloc_pixels = 0;
	}
    }
}

/*
 * Fill in the XpmAttributes with the XpmImage and the XpmInfo
 */
void
xpmSetAttributes(attributes, image, info)
    XpmAttributes *attributes;
    XpmImage *image;
    XpmInfo *info;
{
    if (attributes->valuemask & XpmReturnColorTable) {
	attributes->colorTable = image->colorTable;
	attributes->ncolors = image->ncolors;

	/* avoid deletion of copied data */
	image->ncolors = 0;
	image->colorTable = NULL;
    }
/* 3.2 backward compatibility code */
    else if (attributes->valuemask & XpmReturnInfos) {
	int ErrorStatus;

	ErrorStatus = CreateOldColorTable(image->colorTable, image->ncolors,
					  (XpmColor ***)
					  &attributes->colorTable);

	/* if error just say we can't return requested data */
	if (ErrorStatus != XpmSuccess) {
	    attributes->valuemask &= ~XpmReturnInfos;
	    if (!(attributes->valuemask & XpmReturnPixels)) {
		XpmFree(attributes->pixels);
		attributes->pixels = NULL;
		attributes->npixels = 0;
	    }
	    attributes->ncolors = 0;
	} else {
	    attributes->ncolors = image->ncolors;
	    attributes->hints_cmt = info->hints_cmt;
	    attributes->colors_cmt = info->colors_cmt;
	    attributes->pixels_cmt = info->pixels_cmt;

	    /* avoid deletion of copied data */
	    image->ncolors = 0;
	    image->colorTable = NULL;
	    info->hints_cmt = NULL;
	    info->colors_cmt = NULL;
	    info->pixels_cmt = NULL;
	}
    }
/* end 3.2 bc */
    if (attributes->valuemask & XpmReturnExtensions) {
	attributes->extensions = info->extensions;
	attributes->nextensions = info->nextensions;

	/* avoid deletion of copied data */
	info->extensions = NULL;
	info->nextensions = 0;
    }
    if (info->valuemask & XpmHotspot) {
	attributes->valuemask |= XpmHotspot;
	attributes->x_hotspot = info->x_hotspot;
	attributes->y_hotspot = info->y_hotspot;
    }
    attributes->valuemask |= XpmCharsPerPixel;
    attributes->cpp = image->cpp;
    attributes->valuemask |= XpmSize;
    attributes->width = image->width;
    attributes->height = image->height;
}

/*
 * Free the XpmAttributes structure members
 * but the structure itself
 */
void
XpmFreeAttributes(attributes)
    XpmAttributes *attributes;
{
    if (attributes->valuemask & XpmReturnPixels && attributes->npixels) {
	XpmFree(attributes->pixels);
	attributes->pixels = NULL;
	attributes->npixels = 0;
    }
    if (attributes->valuemask & XpmReturnColorTable) {
	xpmFreeColorTable(attributes->colorTable, attributes->ncolors);
	attributes->colorTable = NULL;
	attributes->ncolors = 0;
    }
/* 3.2 backward compatibility code */
    else if (attributes->valuemask & XpmInfos) {
	if (attributes->colorTable) {
	    FreeOldColorTable((XpmColor **) attributes->colorTable,
			      attributes->ncolors);
	    attributes->colorTable = NULL;
	    attributes->ncolors = 0;
	}
	if (attributes->hints_cmt) {
	    XpmFree(attributes->hints_cmt);
	    attributes->hints_cmt = NULL;
	}
	if (attributes->colors_cmt) {
	    XpmFree(attributes->colors_cmt);
	    attributes->colors_cmt = NULL;
	}
	if (attributes->pixels_cmt) {
	    XpmFree(attributes->pixels_cmt);
	    attributes->pixels_cmt = NULL;
	}
	if (attributes->pixels) {
	    XpmFree(attributes->pixels);
	    attributes->pixels = NULL;
	    attributes->npixels = 0;
	}
    }
/* end 3.2 bc */
    if (attributes->valuemask & XpmReturnExtensions
	&& attributes->nextensions) {
	XpmFreeExtensions(attributes->extensions, attributes->nextensions);
	attributes->extensions = NULL;
	attributes->nextensions = 0;
    }
    if (attributes->valuemask & XpmReturnAllocPixels
	&& attributes->nalloc_pixels) {
	XpmFree(attributes->alloc_pixels);
	attributes->alloc_pixels = NULL;
	attributes->nalloc_pixels = 0;
    }
    attributes->valuemask = 0;
}
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	* Attrib.c: *
	28	* *
	29	* XPM library *
	30	* Functions related to the XpmAttributes structure *
	31	* *
	32	* Developed by Arnaud Le Hors *
	33	\*****************************************************************************/
	34
2f1ae414	35	#include "XpmI.h"
0240e8b1 SC	36
	37	/* 3.2 backward compatibility code */
	38	LFUNC(CreateOldColorTable, int, (XpmColor *ct, int ncolors,
	39	XpmColor ***oldct));
	40
	41	LFUNC(FreeOldColorTable, void, (XpmColor **colorTable, int ncolors));
	42
	43	/*
	44	* Create a colortable compatible with the old style colortable
	45	*/
	46	static int
	47	CreateOldColorTable(ct, ncolors, oldct)
	48	XpmColor *ct;
	49	int ncolors;
	50	XpmColor ***oldct;
	51	{
	52	XpmColor colorTable, color;
	53	int a;
	54
	55	colorTable = (XpmColor *) XpmMalloc(ncolors sizeof(XpmColor *));
	56	if (!colorTable) {
	57	*oldct = NULL;
	58	return (XpmNoMemory);
	59	}
	60	for (a = 0, color = colorTable; a < ncolors; a++, color++, ct++)
	61	*color = ct;
	62	*oldct = colorTable;
	63	return (XpmSuccess);
	64	}
	65
	66	static void
	67	FreeOldColorTable(colorTable, ncolors)
	68	XpmColor **colorTable;
	69	int ncolors;
	70	{
	71	int a, b;
	72	XpmColor **color;
	73	char **sptr;
	74
	75	if (colorTable) {
	76	for (a = 0, color = colorTable; a < ncolors; a++, color++) {
	77	for (b = 0, sptr = (char *) color; b <= NKEYS; b++, sptr++)
	78	if (*sptr)
	79	XpmFree(*sptr);
	80	}
	81	XpmFree(*colorTable);
	82	XpmFree(colorTable);
	83	}
	84	}
	85
	86	/* end 3.2 bc */
	87
	88	/*
	89	* Free the computed color table
	90	*/
	91	void
	92	xpmFreeColorTable(colorTable, ncolors)
	93	XpmColor *colorTable;
	94	int ncolors;
	95	{
	96	int a, b;
	97	XpmColor *color;
	98	char **sptr;
	99
100	if (colorTable) {
101	for (a = 0, color = colorTable; a < ncolors; a++, color++) {
102	for (b = 0, sptr = (char **) color; b <= NKEYS; b++, sptr++)
103	if (*sptr)
104	XpmFree(*sptr);
105	}
106	XpmFree(colorTable);
107	}
108	}
109
110	/*
111	* Free array of extensions
112	*/
113	void
114	XpmFreeExtensions(extensions, nextensions)
115	XpmExtension *extensions;
116	int nextensions;
117	{
118	unsigned int i, j, nlines;
119	XpmExtension *ext;
120	char **sptr;
121
122	if (extensions) {
123	for (i = 0, ext = extensions; i < nextensions; i++, ext++) {
124	if (ext->name)
125	XpmFree(ext->name);
126	nlines = ext->nlines;
127	for (j = 0, sptr = ext->lines; j < nlines; j++, sptr++)
128	if (*sptr)
129	XpmFree(*sptr);
130	if (ext->lines)
131	XpmFree(ext->lines);
132	}
133	XpmFree(extensions);
134	}
135	}
136
137	/*
138	* Return the XpmAttributes structure size
139	*/
140
141	int
142	XpmAttributesSize()
143	{
144	return sizeof(XpmAttributes);
145	}
146
147	/*
148	* Init returned data to free safely later on
149	*/
150	void
151	xpmInitAttributes(attributes)
152	XpmAttributes *attributes;
153	{
154	if (attributes) {
155	attributes->pixels = NULL;
156	attributes->npixels = 0;
157	attributes->colorTable = NULL;
158	attributes->ncolors = 0;
159	/* 3.2 backward compatibility code */
160	attributes->hints_cmt = NULL;
161	attributes->colors_cmt = NULL;
162	attributes->pixels_cmt = NULL;
163	/* end 3.2 bc */
164	if (attributes->valuemask & XpmReturnExtensions) {
165	attributes->extensions = NULL;
166	attributes->nextensions = 0;
167	}
168	if (attributes->valuemask & XpmReturnAllocPixels) {
169	attributes->alloc_pixels = NULL;
170	attributes->nalloc_pixels = 0;
171	}
172	}
173	}
174
175	/*
176	* Fill in the XpmAttributes with the XpmImage and the XpmInfo
177	*/
178	void
179	xpmSetAttributes(attributes, image, info)
180	XpmAttributes *attributes;
181	XpmImage *image;
182	XpmInfo *info;
183	{
184	if (attributes->valuemask & XpmReturnColorTable) {
185	attributes->colorTable = image->colorTable;
186	attributes->ncolors = image->ncolors;
187
188	/* avoid deletion of copied data */
189	image->ncolors = 0;
190	image->colorTable = NULL;
191	}
192	/* 3.2 backward compatibility code */
193	else if (attributes->valuemask & XpmReturnInfos) {
194	int ErrorStatus;
195
196	ErrorStatus = CreateOldColorTable(image->colorTable, image->ncolors,
197	(XpmColor ***)
198	&attributes->colorTable);
199
200	/* if error just say we can't return requested data */
201	if (ErrorStatus != XpmSuccess) {
202	attributes->valuemask &= ~XpmReturnInfos;
203	if (!(attributes->valuemask & XpmReturnPixels)) {
204	XpmFree(attributes->pixels);
205	attributes->pixels = NULL;
206	attributes->npixels = 0;
207	}
208	attributes->ncolors = 0;
209	} else {
210	attributes->ncolors = image->ncolors;
211	attributes->hints_cmt = info->hints_cmt;
212	attributes->colors_cmt = info->colors_cmt;
213	attributes->pixels_cmt = info->pixels_cmt;
214
215	/* avoid deletion of copied data */
216	image->ncolors = 0;
217	image->colorTable = NULL;
218	info->hints_cmt = NULL;
219	info->colors_cmt = NULL;
220	info->pixels_cmt = NULL;
221	}
222	}
223	/* end 3.2 bc */
224	if (attributes->valuemask & XpmReturnExtensions) {
225	attributes->extensions = info->extensions;
226	attributes->nextensions = info->nextensions;
227
228	/* avoid deletion of copied data */
229	info->extensions = NULL;
230	info->nextensions = 0;
231	}
232	if (info->valuemask & XpmHotspot) {
233	attributes->valuemask \|= XpmHotspot;
234	attributes->x_hotspot = info->x_hotspot;
235	attributes->y_hotspot = info->y_hotspot;
236	}
237	attributes->valuemask \|= XpmCharsPerPixel;
238	attributes->cpp = image->cpp;
239	attributes->valuemask \|= XpmSize;
240	attributes->width = image->width;
241	attributes->height = image->height;
242	}
243
244	/*
245	* Free the XpmAttributes structure members
246	* but the structure itself
247	*/
248	void
249	XpmFreeAttributes(attributes)
250	XpmAttributes *attributes;
251	{
252	if (attributes->valuemask & XpmReturnPixels && attributes->npixels) {
253	XpmFree(attributes->pixels);
254	attributes->pixels = NULL;
255	attributes->npixels = 0;
256	}
257	if (attributes->valuemask & XpmReturnColorTable) {
258	xpmFreeColorTable(attributes->colorTable, attributes->ncolors);
259	attributes->colorTable = NULL;
260	attributes->ncolors = 0;
261	}
262	/* 3.2 backward compatibility code */
263	else if (attributes->valuemask & XpmInfos) {
264	if (attributes->colorTable) {
265	FreeOldColorTable((XpmColor **) attributes->colorTable,
266	attributes->ncolors);
267	attributes->colorTable = NULL;
268	attributes->ncolors = 0;
269	}
270	if (attributes->hints_cmt) {
271	XpmFree(attributes->hints_cmt);
272	attributes->hints_cmt = NULL;
273	}
274	if (attributes->colors_cmt) {
275	XpmFree(attributes->colors_cmt);
276	attributes->colors_cmt = NULL;
277	}
278	if (attributes->pixels_cmt) {
279	XpmFree(attributes->pixels_cmt);
280	attributes->pixels_cmt = NULL;
281	}
282	if (attributes->pixels) {
283	XpmFree(attributes->pixels);
284	attributes->pixels = NULL;
285	attributes->npixels = 0;
286	}
287	}
288	/* end 3.2 bc */
289	if (attributes->valuemask & XpmReturnExtensions
290	&& attributes->nextensions) {
291	XpmFreeExtensions(attributes->extensions, attributes->nextensions);
292	attributes->extensions = NULL;
293	attributes->nextensions = 0;
294	}
295	if (attributes->valuemask & XpmReturnAllocPixels
296	&& attributes->nalloc_pixels) {
297	XpmFree(attributes->alloc_pixels);
298	attributes->alloc_pixels = NULL;
299	attributes->nalloc_pixels = 0;
300	}
301	attributes->valuemask = 0;
302	}