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
	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	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	}