/* Copyright 1990-93 GROUPE BULL -- See license conditions in file COPYRIGHT */ /*****************************************************************************\ * xpmP.h: * * * * XPM library * * Private Include file * * * * Developed by Arnaud Le Hors * \*****************************************************************************/ #ifndef XPMP_h #define XPMP_h #ifdef VMS #include "sys$library:stdio.h" #else #include /* stdio.h doesn't declare popen on a Sequent DYNIX OS */ #ifdef sequent extern FILE *popen(); #endif #endif #include "xpm.h" /* the following should help people wanting to use their own functions */ #define XpmMalloc(size) malloc((size)) #define XpmRealloc(ptr, size) realloc((ptr), (size)) #define XpmCalloc(nelem, elsize) calloc((nelem), (elsize)) #if defined(SYSV) || defined(SVR4) || defined(VMS) #define bcopy(source, dest, count) memcpy(dest, source, count) #define bzero(b, len) memset(b, 0, len) #endif typedef struct { unsigned int type; union { FILE *file; char **data; } stream; char *cptr; unsigned int line; int CommentLength; char Comment[BUFSIZ]; char *Bcmt, *Ecmt, Bos, Eos; } xpmData; #define XPMARRAY 0 #define XPMFILE 1 #define XPMPIPE 2 #define XPMBUFFER 3 typedef unsigned char byte; typedef int Boolean; #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 /* * key numbers for visual type, they must fit along with the number key of * each corresponding element in xpmColorKeys[] defined in xpm.h */ #define MONO 2 #define GRAY4 3 #define GRAY 4 #define COLOR 5 /* structure containing data related to an Xpm pixmap */ typedef struct { char *name; unsigned int width; unsigned int height; unsigned int cpp; unsigned int ncolors; char ***colorTable; unsigned int *pixelindex; XColor *xcolors; char **colorStrings; unsigned int mask_pixel; /* mask pixel's colorTable index */ } xpmInternAttrib; #define UNDEF_PIXEL 0x80000000 /* XPM private routines */ FUNC(xpmWriteData, int, (xpmData * mdata, xpmInternAttrib * attrib, XpmAttributes * attributes)); FUNC(xpmCreateData, int, (char ***data_return, xpmInternAttrib * attrib, XpmAttributes * attributes)); FUNC(xpmCreateImage, int, (Display * display, xpmInternAttrib * attrib, XImage ** image_return, XImage ** shapeimage_return, XpmAttributes * attributes)); FUNC(xpmParseData, int, (xpmData * data, xpmInternAttrib * attrib_return, XpmAttributes * attributes)); FUNC(xpmScanImage, int, (Display * display, XImage * image, XImage * shapeimage, XpmAttributes * attributes, xpmInternAttrib * attrib)); FUNC(xpmFreeColorTable, void, (char ***colorTable, int ncolors)); FUNC(xpmInitInternAttrib, void, (xpmInternAttrib * xmpdata)); FUNC(xpmFreeInternAttrib, void, (xpmInternAttrib * xmpdata)); FUNC(xpmSetAttributes, void, (xpmInternAttrib * attrib, XpmAttributes * attributes)); FUNC(xpmInitAttributes, void, (XpmAttributes * attributes)); /* 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)); FUNC(xpmGetCmt, int, (xpmData * mdata, char **cmt)); FUNC(xpmReadFile, int, (char *filename, xpmData * mdata)); FUNC(xpmWriteFile, int, (char *filename, xpmData * mdata)); FUNC(xpmOpenArray, void, (char **data, xpmData * mdata)); FUNC(xpmDataClose, int, (xpmData * mdata)); FUNC(xpmParseHeader, int, (xpmData * mdata)); FUNC(xpmOpenBuffer, void, (char *buffer, xpmData * mdata)); /* 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)); 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) #if __STDC__ #define Const const #else #define Const /**/ #endif /* * there are 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 *)i) #define HashColorIndex(slot) ((unsigned int)((*slot)->data)) #define USE_HASHTABLE (cpp > 2 && ncolors > 4) #ifdef NEED_STRDUP FUNC(strdup, char *, (char *s1)); #endif #endif