diff options
Diffstat (limited to 'xlib')
| -rw-r--r-- | xlib/xcolors.c | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/xlib/xcolors.c b/xlib/xcolors.c index 399c1c4..65f61ae 100644 --- a/xlib/xcolors.c +++ b/xlib/xcolors.c @@ -281,17 +281,18 @@ _strtoi64(const char *spec, char **p, int base) # define _strtoi64 strtoll #endif -static int colorcmp(const char *spec, const char *pname) { +static int colorcmp(const char *spec, const char *pname, int *special) { int r; int c, d; int notequal = 0; + int num = 0; do { d = *pname++; c = (*spec == ' '); if (c) { spec++; } - if ((d >= 'A') && (d <= 'Z')) { + if ((unsigned)(d - 'A') <= (unsigned)('Z' - 'A')) { d += 'a' - 'A'; } else if (c) { /* A space doesn't match a lowercase, but we don't know @@ -300,22 +301,32 @@ static int colorcmp(const char *spec, const char *pname) { notequal = 1; } c = *spec++; - if ((c >= 'A') && (c <= 'Z')) { + if ((unsigned)(c - 'A') <= (unsigned)('Z' - 'A')) { c += 'a' - 'A'; + } else if (((unsigned)(c - '1') <= (unsigned)('9' - '1'))) { + if (d == '0') { + d += 10; + } else if (!d) { + num = c - '0'; + while ((unsigned)((c = *spec++) - '0') <= (unsigned)('9' - '0')) { + num = num * 10 + c - '0'; + } + } } r = c - d; - } while(!r && c); + } while(!r && d); if (!r && notequal) { /* Strings are equal, but difference in spacings only. We should still * report not-equal, so "burly wood" is not a valid color */ r = 1; } + *special = num; return r; } -#define RED(p) ((unsigned char)(p)[28]) -#define GREEN(p) ((unsigned char)(p)[29]) -#define BLUE(p) ((unsigned char)(p)[30]) +#define RED(p) ((unsigned char)(p)[0]) +#define GREEN(p) ((unsigned char)(p)[1]) +#define BLUE(p) ((unsigned char)(p)[2]) Status XParseColor( @@ -353,8 +364,9 @@ XParseColor( return 0; } } else { - int size; + int size, num; const elem *p; + const char *q; /* * Perform a binary search on the sorted array of colors. * size = current size of search range @@ -366,7 +378,7 @@ XParseColor( } size = az[r + 1] - az[r]; p = &xColors[(az[r + 1] + az[r]) >> 1]; - r = colorcmp(spec + 1, *p); + r = colorcmp(spec + 1, *p, &num); while (r != 0) { if (r < 0) { @@ -380,11 +392,18 @@ XParseColor( if (!size) { return 0; } - r = colorcmp(spec + 1, *p); + r = colorcmp(spec + 1, *p, &num); + } + if (num > (*p)[31]) { + if (((*p)[31] != 8) || num > 100) + return 0; + q = graymap + 300 - num * 3; + } else { + q = *p + 28 - num * 3; } - colorPtr->red = ((RED(*p) << 8) | RED(*p)); - colorPtr->green = ((GREEN(*p) << 8) | GREEN(*p)); - colorPtr->blue = ((BLUE(*p) << 8) | BLUE(*p)); + colorPtr->red = ((RED(q) << 8) | RED(q)); + colorPtr->green = ((GREEN(q) << 8) | GREEN(q)); + colorPtr->blue = ((BLUE(q) << 8) | BLUE(q)); } colorPtr->pixel = TkpGetPixel(colorPtr); colorPtr->flags = DoRed|DoGreen|DoBlue; @@ -400,6 +419,8 @@ int main() { int charindex; int i, result; int repeat = 1; + int num, maxnum; + char *end; while (repeat--) { buf[0] = 'a'; @@ -410,11 +431,20 @@ int main() { ++(buf[0]); } strcpy(buf + 1, xColors[i]); + end = buf + strlen(buf); + num = 0; result = XParseColor(0, 0, buf, &color); + printf("%s %d %d %d\n", buf, color.red >> 8, color.green >> 8, color.blue >> 8); + maxnum = xColors[i][31]; + if (maxnum == 8) maxnum = 100; + while (result && ++num <= maxnum) { + sprintf(end, "%d", num); + result = XParseColor(0, 0, buf, &color); + printf("%s %d %d %d\n", buf, color.red >> 8, color.green >> 8, color.blue >> 8); + } if (!result) { break; } - printf("color %d: %s %d %d %d %d\n", i, buf, result, color.red >> 8, color.green >> 8, color.blue >> 8); } } if (!result) { |