src/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
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
static int
CreateOldColorTable(XpmColor* ct, int ncolors, XpmColor*** oldct)
#else
static int
CreateOldColorTable(ct, ncolors, oldct)
    XpmColor *ct;
    int ncolors;
    XpmColor ***oldct;
#endif
{
    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);
}

#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
static void FreeOldColorTable(XpmColor** colorTable, int ncolors)
#else
static void
FreeOldColorTable(colorTable, ncolors)
    XpmColor **colorTable;
    int ncolors;
#endif
{
    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
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
void xpmFreeColorTable(XpmColor* colorTable, int ncolors)
#else
void
xpmFreeColorTable(colorTable, ncolors)
    XpmColor *colorTable;
    int ncolors;
#endif
{
    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
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
void XpmFreeExtensions(XpmExtension* extensions, int nextensions)
#else
void
XpmFreeExtensions(extensions, nextensions)
    XpmExtension *extensions;
    int nextensions;
#endif
{
    unsigned int i, j, nlines;
    XpmExtension *ext;
    char **sptr;

    if (extensions) {
	for (i = 0, ext = extensions; i < (unsigned)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
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
void
xpmInitAttributes(XpmAttributes* attributes)
#else
void
xpmInitAttributes(attributes)
    XpmAttributes *attributes;
#endif
{
    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
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
void xpmSetAttributes(XpmAttributes* attributes, XpmImage* image, XpmInfo* info)
#else
void
xpmSetAttributes(attributes, image, info)
    XpmAttributes *attributes;
    XpmImage *image;
    XpmInfo *info;
#endif
{
    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
 */
#ifdef __OS2__
/* Visual Age cannot deal with old, non-ansi, code */
void XpmFreeAttributes(XpmAttributes* attributes)
#else
void
XpmFreeAttributes(attributes)
    XpmAttributes *attributes;
#endif
{
    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
	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
	35	#include "XpmI.h"
	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	#ifdef __OS2__
	47	/* Visual Age cannot deal with old, non-ansi, code */
	48	static int
	49	CreateOldColorTable(XpmColor* ct, int ncolors, XpmColor*** oldct)
	50	#else
	51	static int
	52	CreateOldColorTable(ct, ncolors, oldct)
	53	XpmColor *ct;
	54	int ncolors;
	55	XpmColor ***oldct;
	56	#endif
	57	{
	58	XpmColor colorTable, color;
	59	int a;
	60
	61	colorTable = (XpmColor *) XpmMalloc(ncolors sizeof(XpmColor *));
	62	if (!colorTable) {
	63	*oldct = NULL;
	64	return (XpmNoMemory);
	65	}
	66	for (a = 0, color = colorTable; a < ncolors; a++, color++, ct++)
	67	*color = ct;
	68	*oldct = colorTable;
	69	return (XpmSuccess);
	70	}
	71
	72	#ifdef __OS2__
	73	/* Visual Age cannot deal with old, non-ansi, code */
	74	static void FreeOldColorTable(XpmColor** colorTable, int ncolors)
	75	#else
	76	static void
	77	FreeOldColorTable(colorTable, ncolors)
	78	XpmColor **colorTable;
	79	int ncolors;
	80	#endif
	81	{
	82	int a, b;
	83	XpmColor **color;
	84	char **sptr;
	85
	86	if (colorTable) {
	87	for (a = 0, color = colorTable; a < ncolors; a++, color++) {
	88	for (b = 0, sptr = (char *) color; b <= NKEYS; b++, sptr++)
	89	if (*sptr)
	90	XpmFree(*sptr);
	91	}
	92	XpmFree(*colorTable);
	93	XpmFree(colorTable);
	94	}
	95	}
	96
	97	/* end 3.2 bc */
	98
	99	/*
	100	* Free the computed color table
	101	*/
	102	#ifdef __OS2__
	103	/* Visual Age cannot deal with old, non-ansi, code */
	104	void xpmFreeColorTable(XpmColor* colorTable, int ncolors)
	105	#else
	106	void
	107	xpmFreeColorTable(colorTable, ncolors)
	108	XpmColor *colorTable;
	109	int ncolors;
	110	#endif
	111	{
	112	int a, b;
	113	XpmColor *color;
	114	char **sptr;
	115
	116	if (colorTable) {
	117	for (a = 0, color = colorTable; a < ncolors; a++, color++) {
	118	for (b = 0, sptr = (char **) color; b <= NKEYS; b++, sptr++)
	119	if (*sptr)
	120	XpmFree(*sptr);
	121	}
	122	XpmFree(colorTable);
	123	}
	124	}
	125
	126	/*
	127	* Free array of extensions
	128	*/
	129	#ifdef __OS2__
	130	/* Visual Age cannot deal with old, non-ansi, code */
	131	void XpmFreeExtensions(XpmExtension* extensions, int nextensions)
	132	#else
	133	void
	134	XpmFreeExtensions(extensions, nextensions)
	135	XpmExtension *extensions;
	136	int nextensions;
	137	#endif
	138	{
	139	unsigned int i, j, nlines;
	140	XpmExtension *ext;
	141	char **sptr;
	142
	143	if (extensions) {
	144	for (i = 0, ext = extensions; i < (unsigned)nextensions; i++, ext++) {
	145	if (ext->name)
	146	XpmFree(ext->name);
	147	nlines = ext->nlines;
	148	for (j = 0, sptr = ext->lines; j < nlines; j++, sptr++)
	149	if (*sptr)
	150	XpmFree(*sptr);
	151	if (ext->lines)
	152	XpmFree(ext->lines);
	153	}
	154	XpmFree(extensions);
	155	}
	156	}
	157
	158	/*
	159	* Return the XpmAttributes structure size
	160	*/
	161
	162	int
	163	XpmAttributesSize()
	164	{
	165	return sizeof(XpmAttributes);
	166	}
	167
	168	/*
	169	* Init returned data to free safely later on
	170	*/
	171	#ifdef __OS2__
	172	/* Visual Age cannot deal with old, non-ansi, code */
	173	void
	174	xpmInitAttributes(XpmAttributes* attributes)
	175	#else
	176	void
	177	xpmInitAttributes(attributes)
	178	XpmAttributes *attributes;
	179	#endif
	180	{
	181	if (attributes) {
	182	attributes->pixels = NULL;
	183	attributes->npixels = 0;
	184	attributes->colorTable = NULL;
	185	attributes->ncolors = 0;
	186	/* 3.2 backward compatibility code */
	187	attributes->hints_cmt = NULL;
	188	attributes->colors_cmt = NULL;
	189	attributes->pixels_cmt = NULL;
	190	/* end 3.2 bc */
	191	if (attributes->valuemask & XpmReturnExtensions) {
	192	attributes->extensions = NULL;
	193	attributes->nextensions = 0;
	194	}
	195	if (attributes->valuemask & XpmReturnAllocPixels) {
	196	attributes->alloc_pixels = NULL;
	197	attributes->nalloc_pixels = 0;
	198	}
	199	}
	200	}
	201
	202	/*
	203	* Fill in the XpmAttributes with the XpmImage and the XpmInfo
	204	*/
	205	#ifdef __OS2__
	206	/* Visual Age cannot deal with old, non-ansi, code */
	207	void xpmSetAttributes(XpmAttributes* attributes, XpmImage* image, XpmInfo* info)
	208	#else
	209	void
	210	xpmSetAttributes(attributes, image, info)
	211	XpmAttributes *attributes;
	212	XpmImage *image;
	213	XpmInfo *info;
	214	#endif
	215	{
	216	if (attributes->valuemask & XpmReturnColorTable) {
	217	attributes->colorTable = image->colorTable;
	218	attributes->ncolors = image->ncolors;
	219
	220	/* avoid deletion of copied data */
	221	image->ncolors = 0;
	222	image->colorTable = NULL;
	223	}
	224	/* 3.2 backward compatibility code */
	225	else if (attributes->valuemask & XpmReturnInfos) {
	226	int ErrorStatus;
	227
	228	ErrorStatus = CreateOldColorTable(image->colorTable, image->ncolors,
	229	(XpmColor ***)
	230	&attributes->colorTable);
	231
	232	/* if error just say we can't return requested data */
	233	if (ErrorStatus != XpmSuccess) {
	234	attributes->valuemask &= ~XpmReturnInfos;
	235	if (!(attributes->valuemask & XpmReturnPixels)) {
	236	XpmFree(attributes->pixels);
	237	attributes->pixels = NULL;
	238	attributes->npixels = 0;
	239	}
	240	attributes->ncolors = 0;
	241	} else {
	242	attributes->ncolors = image->ncolors;
	243	attributes->hints_cmt = info->hints_cmt;
	244	attributes->colors_cmt = info->colors_cmt;
	245	attributes->pixels_cmt = info->pixels_cmt;
	246
	247	/* avoid deletion of copied data */
	248	image->ncolors = 0;
	249	image->colorTable = NULL;
	250	info->hints_cmt = NULL;
	251	info->colors_cmt = NULL;
	252	info->pixels_cmt = NULL;
	253	}
	254	}
	255	/* end 3.2 bc */
	256	if (attributes->valuemask & XpmReturnExtensions) {
	257	attributes->extensions = info->extensions;
	258	attributes->nextensions = info->nextensions;
	259
	260	/* avoid deletion of copied data */
	261	info->extensions = NULL;
	262	info->nextensions = 0;
	263	}
	264	if (info->valuemask & XpmHotspot) {
	265	attributes->valuemask \|= XpmHotspot;
	266	attributes->x_hotspot = info->x_hotspot;
	267	attributes->y_hotspot = info->y_hotspot;
	268	}
	269	attributes->valuemask \|= XpmCharsPerPixel;
	270	attributes->cpp = image->cpp;
	271	attributes->valuemask \|= XpmSize;
	272	attributes->width = image->width;
	273	attributes->height = image->height;
	274	}
	275
	276	/*
	277	* Free the XpmAttributes structure members
	278	* but the structure itself
	279	*/
	280	#ifdef __OS2__
	281	/* Visual Age cannot deal with old, non-ansi, code */
	282	void XpmFreeAttributes(XpmAttributes* attributes)
	283	#else
	284	void
	285	XpmFreeAttributes(attributes)
	286	XpmAttributes *attributes;
	287	#endif
	288	{
	289	if (attributes->valuemask & XpmReturnPixels && attributes->npixels) {
	290	XpmFree(attributes->pixels);
	291	attributes->pixels = NULL;
	292	attributes->npixels = 0;
	293	}
	294	if (attributes->valuemask & XpmReturnColorTable) {
	295	xpmFreeColorTable(attributes->colorTable, attributes->ncolors);
	296	attributes->colorTable = NULL;
	297	attributes->ncolors = 0;
	298	}
	299	/* 3.2 backward compatibility code */
	300	else if (attributes->valuemask & XpmInfos) {
	301	if (attributes->colorTable) {
	302	FreeOldColorTable((XpmColor **) attributes->colorTable,
	303	attributes->ncolors);
	304	attributes->colorTable = NULL;
	305	attributes->ncolors = 0;
	306	}
	307	if (attributes->hints_cmt) {
	308	XpmFree(attributes->hints_cmt);
	309	attributes->hints_cmt = NULL;
	310	}
	311	if (attributes->colors_cmt) {
	312	XpmFree(attributes->colors_cmt);
	313	attributes->colors_cmt = NULL;
	314	}
	315	if (attributes->pixels_cmt) {
	316	XpmFree(attributes->pixels_cmt);
	317	attributes->pixels_cmt = NULL;
	318	}
	319	if (attributes->pixels) {
	320	XpmFree(attributes->pixels);
	321	attributes->pixels = NULL;
	322	attributes->npixels = 0;
	323	}
	324	}
	325	/* end 3.2 bc */
	326	if (attributes->valuemask & XpmReturnExtensions
	327	&& attributes->nextensions) {
	328	XpmFreeExtensions(attributes->extensions, attributes->nextensions);
	329	attributes->extensions = NULL;
	330	attributes->nextensions = 0;
	331	}
	332	if (attributes->valuemask & XpmReturnAllocPixels
	333	&& attributes->nalloc_pixels) {
	334	XpmFree(attributes->alloc_pixels);
	335	attributes->alloc_pixels = NULL;
	336	attributes->nalloc_pixels = 0;
	337	}
	338	attributes->valuemask = 0;
	339	}