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Diffstat (limited to 'src/XpmI.h')
| -rw-r--r-- | src/XpmI.h | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/src/XpmI.h b/src/XpmI.h new file mode 100644 index 0000000..237a535 --- /dev/null +++ b/src/XpmI.h @@ -0,0 +1,314 @@ +/* + * 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. + */ +/* $XFree86: xc/extras/Xpm/lib/XpmI.h,v 1.8 2002/01/07 19:40:23 dawes Exp $ */ + +/*****************************************************************************\ +* XpmI.h: * +* * +* XPM library * +* Internal Include file * +* * +* ** Everything defined here is subject to changes any time. ** * +* * +* Developed by Arnaud Le Hors * +\*****************************************************************************/ + +/* + * The code related to FOR_MSW has been added by + * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94 + */ + +#ifndef XPMI_h +#define XPMI_h + +#include "xpm.h" + +/* + * lets try to solve include files + */ + +#include <stdio.h> +#include <stdlib.h> +/* stdio.h doesn't declare popen on a Sequent DYNIX OS */ +#ifdef sequent +extern FILE *popen(); +#endif + +#include <X11/Xos.h> +#include <X11/Xfuncs.h> + +#ifdef VMS +#include <unixio.h> +#include <file.h> +#endif + +/* The following should help people wanting to use their own memory allocation + * functions. To avoid the overhead of a function call when the standard + * functions are used these are all macros, even the XpmFree function which + * needs to be a real function for the outside world though. + * So if change these be sure to change the XpmFree function in misc.c + * accordingly. + */ +#define XpmFree(ptr) free(ptr) + +#ifndef FOR_MSW +#define XpmMalloc(size) malloc((size)) +#define XpmRealloc(ptr, size) realloc((ptr), (size)) +#define XpmCalloc(nelem, elsize) calloc((nelem), (elsize)) +#else +/* checks for mallocs bigger than 64K */ +#define XpmMalloc(size) boundCheckingMalloc((long)(size))/* in simx.[ch] */ +#define XpmRealloc(ptr, size) boundCheckingRealloc((ptr),(long)(size)) +#define XpmCalloc(nelem, elsize) \ + boundCheckingCalloc((long)(nelem),(long) (elsize)) +#endif + +#define XPMMAXCMTLEN BUFSIZ +typedef struct { + unsigned int type; + union { + FILE *file; + char **data; + } stream; + char *cptr; + unsigned int line; + int CommentLength; + char Comment[XPMMAXCMTLEN]; + char *Bcmt, *Ecmt, Bos, Eos; + int format; /* 1 if XPM1, 0 otherwise */ +#ifdef CXPMPROG + int lineNum; + int charNum; +#endif +} xpmData; + +#define XPMARRAY 0 +#define XPMFILE 1 +#define XPMPIPE 2 +#define XPMBUFFER 3 + +#define EOL '\n' +#define TAB '\t' +#define SPC ' ' + +typedef struct { + char *type; /* key word */ + char *Bcmt; /* string beginning comments */ + char *Ecmt; /* string ending comments */ + char Bos; /* character beginning strings */ + char Eos; /* character ending strings */ + char *Strs; /* strings separator */ + char *Dec; /* data declaration string */ + char *Boa; /* string beginning assignment */ + char *Eoa; /* string ending assignment */ +} xpmDataType; + +extern xpmDataType xpmDataTypes[]; + +/* + * rgb values and ascii names (from rgb text file) rgb values, + * range of 0 -> 65535 color mnemonic of rgb value + */ +typedef struct { + int r, g, b; + char *name; +} xpmRgbName; + +/* Maximum number of rgb mnemonics allowed in rgb text file. */ +#define MAX_RGBNAMES 1024 + +extern char *xpmColorKeys[]; + +#define TRANSPARENT_COLOR "None" /* this must be a string! */ + +/* number of xpmColorKeys */ +#define NKEYS 5 + +/* XPM internal routines */ + +FUNC(xpmParseData, int, (xpmData *data, XpmImage *image, XpmInfo *info)); +FUNC(xpmParseDataAndCreate, int, (Display *display, xpmData *data, + XImage **image_return, + XImage **shapeimage_return, + XpmImage *image, XpmInfo *info, + XpmAttributes *attributes)); + +FUNC(xpmFreeColorTable, void, (XpmColor *colorTable, int ncolors)); + +FUNC(xpmInitAttributes, void, (XpmAttributes *attributes)); + +FUNC(xpmInitXpmImage, void, (XpmImage *image)); + +FUNC(xpmInitXpmInfo, void, (XpmInfo *info)); + +FUNC(xpmSetInfoMask, void, (XpmInfo *info, XpmAttributes *attributes)); +FUNC(xpmSetInfo, void, (XpmInfo *info, XpmAttributes *attributes)); +FUNC(xpmSetAttributes, void, (XpmAttributes *attributes, XpmImage *image, + XpmInfo *info)); + +#if !defined(FOR_MSW) && !defined(AMIGA) +FUNC(xpmCreatePixmapFromImage, void, (Display *display, Drawable d, + XImage *ximage, Pixmap *pixmap_return)); + +FUNC(xpmCreateImageFromPixmap, void, (Display *display, Pixmap pixmap, + XImage **ximage_return, + unsigned int *width, + unsigned int *height)); +#endif + +/* structures and functions related to hastable code */ + +typedef struct _xpmHashAtom { + char *name; + void *data; +} *xpmHashAtom; + +typedef struct { + int size; + int limit; + int used; + xpmHashAtom *atomTable; +} xpmHashTable; + +FUNC(xpmHashTableInit, int, (xpmHashTable *table)); +FUNC(xpmHashTableFree, void, (xpmHashTable *table)); +FUNC(xpmHashSlot, xpmHashAtom *, (xpmHashTable *table, char *s)); +FUNC(xpmHashIntern, int, (xpmHashTable *table, char *tag, void *data)); + +#define HashAtomData(i) ((void *)(long)i) +#define HashColorIndex(slot) ((unsigned long)((*slot)->data)) +#define USE_HASHTABLE (cpp > 2 && ncolors > 4) + +/* I/O utility */ + +FUNC(xpmNextString, int, (xpmData *mdata)); +FUNC(xpmNextUI, int, (xpmData *mdata, unsigned int *ui_return)); +FUNC(xpmGetString, int, (xpmData *mdata, char **sptr, unsigned int *l)); + +#define xpmGetC(mdata) \ + ((!mdata->type || mdata->type == XPMBUFFER) ? \ + (*mdata->cptr++) : (getc(mdata->stream.file))) + +FUNC(xpmNextWord, unsigned int, + (xpmData *mdata, char *buf, unsigned int buflen)); +FUNC(xpmGetCmt, int, (xpmData *mdata, char **cmt)); +FUNC(xpmParseHeader, int, (xpmData *mdata)); +FUNC(xpmParseValues, int, (xpmData *data, unsigned int *width, + unsigned int *height, unsigned int *ncolors, + unsigned int *cpp, unsigned int *x_hotspot, + unsigned int *y_hotspot, unsigned int *hotspot, + unsigned int *extensions)); + +FUNC(xpmParseColors, int, (xpmData *data, unsigned int ncolors, + unsigned int cpp, XpmColor **colorTablePtr, + xpmHashTable *hashtable)); + +FUNC(xpmParseExtensions, int, (xpmData *data, XpmExtension **extensions, + unsigned int *nextensions)); + +/* RGB utility */ + +FUNC(xpmReadRgbNames, int, (char *rgb_fname, xpmRgbName *rgbn)); +FUNC(xpmGetRgbName, char *, (xpmRgbName *rgbn, int rgbn_max, + int red, int green, int blue)); +FUNC(xpmFreeRgbNames, void, (xpmRgbName *rgbn, int rgbn_max)); +#ifdef FOR_MSW +FUNC(xpmGetRGBfromName,int, (char *name, int *r, int *g, int *b)); +#endif + +#ifndef AMIGA +FUNC(xpm_xynormalizeimagebits, void, (register unsigned char *bp, + register XImage *img)); +FUNC(xpm_znormalizeimagebits, void, (register unsigned char *bp, + register XImage *img)); + +/* + * Macros + * + * The XYNORMALIZE macro determines whether XY format data requires + * normalization and calls a routine to do so if needed. The logic in + * this module is designed for LSBFirst byte and bit order, so + * normalization is done as required to present the data in this order. + * + * The ZNORMALIZE macro performs byte and nibble order normalization if + * required for Z format data. + * + * The XYINDEX macro computes the index to the starting byte (char) boundary + * for a bitmap_unit containing a pixel with coordinates x and y for image + * data in XY format. + * + * The ZINDEX* macros compute the index to the starting byte (char) boundary + * for a pixel with coordinates x and y for image data in ZPixmap format. + * + */ + +#define XYNORMALIZE(bp, img) \ + if ((img->byte_order == MSBFirst) || (img->bitmap_bit_order == MSBFirst)) \ + xpm_xynormalizeimagebits((unsigned char *)(bp), img) + +#define ZNORMALIZE(bp, img) \ + if (img->byte_order == MSBFirst) \ + xpm_znormalizeimagebits((unsigned char *)(bp), img) + +#define XYINDEX(x, y, img) \ + ((y) * img->bytes_per_line) + \ + (((x) + img->xoffset) / img->bitmap_unit) * (img->bitmap_unit >> 3) + +#define ZINDEX(x, y, img) ((y) * img->bytes_per_line) + \ + (((x) * img->bits_per_pixel) >> 3) + +#define ZINDEX32(x, y, img) ((y) * img->bytes_per_line) + ((x) << 2) + +#define ZINDEX16(x, y, img) ((y) * img->bytes_per_line) + ((x) << 1) + +#define ZINDEX8(x, y, img) ((y) * img->bytes_per_line) + (x) + +#define ZINDEX1(x, y, img) ((y) * img->bytes_per_line) + ((x) >> 3) +#endif /* not AMIGA */ + +#ifdef __STDC__ +#define Const const +#else +#define Const /**/ +#endif + +#ifdef NEED_STRDUP +FUNC(xpmstrdup, char *, (char *s1)); +#else +#undef xpmstrdup +#define xpmstrdup strdup +#endif + +#ifdef NEED_STRCASECMP +FUNC(xpmstrcasecmp, int, (char *s1, char *s2)); +#else +#undef xpmstrcasecmp +#define xpmstrcasecmp strcasecmp +#endif + +FUNC(xpmatoui, unsigned int, + (char *p, unsigned int l, unsigned int *ui_return)); + +#endif |