diff options
Diffstat (limited to 'xlib/xcolors.c')
| -rw-r--r-- | xlib/xcolors.c | 120 |
1 files changed, 67 insertions, 53 deletions
diff --git a/xlib/xcolors.c b/xlib/xcolors.c index 7e88b2a..3a48faa 100644 --- a/xlib/xcolors.c +++ b/xlib/xcolors.c @@ -1,31 +1,35 @@ -/* +/* * xcolors.c -- * - * This file contains the routines used to map from X color - * names to RGB and pixel values. + * This file contains the routines used to map from X color names to RGB + * and pixel values. * * Copyright (c) 1996 by Sun Microsystems, Inc. * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ -#include <tkInt.h> +#include "tkInt.h" /* + * Forward declarations for functions used only in this file. + */ + +static int FindColor(const char *name, XColor *colorPtr); + +/* * Define an array that defines the mapping from color names to RGB values. - * Note that this array must be kept sorted alphabetically so that the - * binary search used in XParseColor will succeed. + * Note that this array must be kept sorted alphabetically so that the binary + * search used in XParseColor will succeed. */ typedef struct { - char *name; - unsigned char red; - unsigned char green; - unsigned char blue; + const char *name; + unsigned char red, green, blue; } XColorEntry; -static XColorEntry xColors[] = { +static const XColorEntry xColors[] = { { "alice blue", 240, 248, 255 }, { "AliceBlue", 240, 248, 255 }, { "antique white", 250, 235, 215 }, @@ -778,34 +782,19 @@ static XColorEntry xColors[] = { { "yellow3", 205, 205, 0 }, { "yellow4", 139, 139, 0 }, { "YellowGreen", 154, 205, 50 }, - { NULL, 0, 0, 0 } }; - - -/* - * This value will be set to the number of colors in the color table - * the first time it is needed. - */ - -static int numXColors = 0; - -/* - * Forward declarations for functions used only in this file. - */ - -static int FindColor _ANSI_ARGS_((const char *name, XColor *colorPtr)); /* *---------------------------------------------------------------------- * * FindColor -- * - * This routine finds the color entry that corresponds to the - * specified color. + * This routine finds the color entry that corresponds to the specified + * color. * * Results: - * Returns non-zero on success. The RGB values of the XColor - * will be initialized to the proper values on success. + * Returns non-zero on success. The RGB values of the XColor will be + * initialized to the proper values on success. * * Side effects: * None. @@ -814,30 +803,18 @@ static int FindColor _ANSI_ARGS_((const char *name, XColor *colorPtr)); */ static int -FindColor(name, colorPtr) - const char *name; - XColor *colorPtr; +FindColor( + const char *name, + XColor *colorPtr) { int l, u, r, i = 0; /* - * Count the number of elements in the color array if we haven't - * done so yet. - */ - - if (numXColors == 0) { - XColorEntry *ePtr; - for (ePtr = xColors; ePtr->name != NULL; ePtr++) { - numXColors++; - } - } - - /* * Perform a binary search on the sorted array of colors. */ l = 0; - u = numXColors - 1; + u = sizeof(xColors)/sizeof(xColors[0]) - 1; while (l <= u) { i = (l + u) / 2; r = strcasecmp(name, xColors[i].name); @@ -874,12 +851,41 @@ FindColor(name, colorPtr) *---------------------------------------------------------------------- */ +#ifdef __WIN32__ +# ifdef NO_STRTOI64 +/* This version only handles hex-strings without 0x prefix */ +static __int64 +_strtoi64(const char *spec, char **p, int base) +{ + __int64 result = 0; + char c; + while ((c = *spec)) { + if ((c >= '0') && (c <= '9')) { + c -= '0'; + } else if ((c >= 'A') && (c <= 'F')) { + c += (10 - 'A'); + } else if ((c >= 'a') && (c <= 'f')) { + c += (10 - 'a'); + } else { + break; + } + result = (result << 4) + c; + ++spec; + } + *p = (char *) spec; + return result; +} +# endif +#else +# define _strtoi64 strtoll +#endif + Status -XParseColor(display, map, spec, colorPtr) - Display *display; - Colormap map; - const char* spec; - XColor *colorPtr; +XParseColor( + Display *display, + Colormap map, + const char *spec, + XColor *colorPtr) { if (spec[0] == '#') { char *p; @@ -919,3 +925,11 @@ XParseColor(display, map, spec, colorPtr) colorPtr->pad = 0; return 1; } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |