diff options
Diffstat (limited to 'nx-X11/lib/font/util')
-rw-r--r-- | nx-X11/lib/font/util/Imakefile | 43 | ||||
-rw-r--r-- | nx-X11/lib/font/util/atom.c | 233 | ||||
-rw-r--r-- | nx-X11/lib/font/util/fontaccel.c | 107 | ||||
-rw-r--r-- | nx-X11/lib/font/util/fontnames.c | 123 | ||||
-rw-r--r-- | nx-X11/lib/font/util/fontutil.c | 443 | ||||
-rw-r--r-- | nx-X11/lib/font/util/fontxlfd.c | 637 | ||||
-rw-r--r-- | nx-X11/lib/font/util/format.c | 126 | ||||
-rw-r--r-- | nx-X11/lib/font/util/miscutil.c | 99 | ||||
-rw-r--r-- | nx-X11/lib/font/util/patcache.c | 221 | ||||
-rw-r--r-- | nx-X11/lib/font/util/private.c | 107 | ||||
-rw-r--r-- | nx-X11/lib/font/util/utilbitmap.c | 188 |
11 files changed, 2327 insertions, 0 deletions
diff --git a/nx-X11/lib/font/util/Imakefile b/nx-X11/lib/font/util/Imakefile new file mode 100644 index 000000000..6c318ba7f --- /dev/null +++ b/nx-X11/lib/font/util/Imakefile @@ -0,0 +1,43 @@ +XCOMM $Xorg: Imakefile,v 1.3 2000/08/17 19:46:39 cpqbld Exp $ + + + + +XCOMM $XFree86: xc/lib/font/util/Imakefile,v 1.6 2000/12/07 16:40:30 dawes Exp $ + +#include <Server.tmpl> + + INCLUDES = -I$(FONTINCSRC) -I../include + HEADERS = +#ifdef FontFormatDefines + FORMAT_DEFS = FontFormatDefines +#endif + +#if defined(SunArchitecture) && (OSMajorVersion == 5) && (OSMinorVersion <= 6) + /* Work around a problem with __ctype being a "relocation against + allocatable but non-writable section" on Solaris 2.6. Hopefully + it doesn't break anything. */ + SYS_DEFINES = -D__XPG4_CHAR_CLASS__ +#endif + + + DEFINES = StrcasecmpDefines $(SYS_DEFINES) $(INTERNALDEFINES) + + SRCS = utilbitmap.c fontnames.c fontutil.c fontxlfd.c format.c \ + fontaccel.c atom.c miscutil.c private.c patcache.c + + OBJS = utilbitmap.o fontnames.o fontutil.o fontxlfd.o format.o \ + fontaccel.o atom.o miscutil.o private.o patcache.o + +#define DoNormalLib NormalLibFont +#define DoSharedLib SharedLibFont +#define DoDebugLib DebugLibFont +#define DoProfileLib ProfileLibFont +#include <Library.tmpl> +LibraryObjectRule() + +SubdirLibraryRule($(OBJS)) +NormalLintTarget($(SRCS)) + +DependTarget() + diff --git a/nx-X11/lib/font/util/atom.c b/nx-X11/lib/font/util/atom.c new file mode 100644 index 000000000..942ea0d46 --- /dev/null +++ b/nx-X11/lib/font/util/atom.c @@ -0,0 +1,233 @@ +/* $Xorg: atom.c,v 1.5 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1990, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE +OPEN GROUP 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 The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/atom.c,v 1.9 2002/09/19 13:22:00 tsi Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +/* lame atom replacement routines for font applications */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> + +typedef struct _AtomList { + char *name; + int len; + int hash; + Atom atom; +} AtomListRec, *AtomListPtr; + +static AtomListPtr *hashTable; + +static int hashSize, hashUsed; +static int hashMask; +static int rehash; + +static AtomListPtr *reverseMap; +static int reverseMapSize; +static Atom lastAtom; + +static int +Hash(char *string, int len) +{ + int h; + + h = 0; + while (len--) + h = (h << 3) ^ *string++; + if (h < 0) + return -h; + return h; +} + +static int +ResizeHashTable (void) +{ + int newHashSize; + int newHashMask; + AtomListPtr *newHashTable; + int i; + int h; + int newRehash; + int r; + + if (hashSize == 0) + newHashSize = 1024; + else + newHashSize = hashSize * 2; + newHashTable = (AtomListPtr *) xalloc (newHashSize * sizeof (AtomListPtr)); + if (!newHashTable) { + fprintf(stderr, "ResizeHashTable(): Error: Couldn't allocate" + " newHashTable (%ld)\n", + newHashSize * (unsigned long)sizeof (AtomListPtr)); + return FALSE; + } + bzero ((char *) newHashTable, newHashSize * sizeof (AtomListPtr)); + newHashMask = newHashSize - 1; + newRehash = (newHashMask - 2); + for (i = 0; i < hashSize; i++) + { + if (hashTable[i]) + { + h = (hashTable[i]->hash) & newHashMask; + if (newHashTable[h]) + { + r = hashTable[i]->hash % newRehash | 1; + do { + h += r; + if (h >= newHashSize) + h -= newHashSize; + } while (newHashTable[h]); + } + newHashTable[h] = hashTable[i]; + } + } + xfree (hashTable); + hashTable = newHashTable; + hashSize = newHashSize; + hashMask = newHashMask; + rehash = newRehash; + return TRUE; +} + +static int +ResizeReverseMap (void) +{ + int ret = TRUE; + if (reverseMapSize == 0) + reverseMapSize = 1000; + else + reverseMapSize *= 2; + reverseMap = (AtomListPtr *) xrealloc (reverseMap, reverseMapSize * sizeof (AtomListPtr)); + if (!reverseMap) { + fprintf(stderr, "ResizeReverseMap(): Error: Couldn't reallocate" + " reverseMap (%ld)\n", + reverseMapSize * (unsigned long)sizeof(AtomListPtr)); + ret = FALSE; + } + return ret; +} + +static int +NameEqual (const char *a, const char *b, int l) +{ + while (l--) + if (*a++ != *b++) + return FALSE; + return TRUE; +} + +Atom +MakeAtom(char *string, unsigned len, int makeit) +{ + AtomListPtr a; + int hash; + int h = 0; + int r; + + hash = Hash (string, len); + if (hashTable) + { + h = hash & hashMask; + if (hashTable[h]) + { + if (hashTable[h]->hash == hash && hashTable[h]->len == len && + NameEqual (hashTable[h]->name, string, len)) + { + return hashTable[h]->atom; + } + r = (hash % rehash) | 1; + for (;;) + { + h += r; + if (h >= hashSize) + h -= hashSize; + if (!hashTable[h]) + break; + if (hashTable[h]->hash == hash && hashTable[h]->len == len && + NameEqual (hashTable[h]->name, string, len)) + { + return hashTable[h]->atom; + } + } + } + } + if (!makeit) + return None; + a = (AtomListPtr) xalloc (sizeof (AtomListRec) + len + 1); + if (a == NULL) { + fprintf(stderr, "MakeAtom(): Error: Couldn't allocate AtomListRec" + " (%ld)\n", (unsigned long)sizeof (AtomListRec) + len + 1); + return None; + } + a->name = (char *) (a + 1); + a->len = len; + strncpy (a->name, string, len); + a->name[len] = '\0'; + a->atom = ++lastAtom; + a->hash = hash; + if (hashUsed >= hashSize / 2) + { + ResizeHashTable (); + h = hash & hashMask; + if (hashTable[h]) + { + r = (hash % rehash) | 1; + do { + h += r; + if (h >= hashSize) + h -= hashSize; + } while (hashTable[h]); + } + } + hashTable[h] = a; + hashUsed++; + if (reverseMapSize <= a->atom) { + if (!ResizeReverseMap()) + return None; + } + reverseMap[a->atom] = a; + return a->atom; +} + +int +ValidAtom(Atom atom) +{ + return (atom != None) && (atom <= lastAtom); +} + +char * +NameForAtom(Atom atom) +{ + if (atom != None && atom <= lastAtom) + return reverseMap[atom]->name; + return NULL; +} diff --git a/nx-X11/lib/font/util/fontaccel.c b/nx-X11/lib/font/util/fontaccel.c new file mode 100644 index 000000000..c37f69a39 --- /dev/null +++ b/nx-X11/lib/font/util/fontaccel.c @@ -0,0 +1,107 @@ +/* $Xorg: fontaccel.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1990, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE OPEN GROUP 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 The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/fontaccel.c,v 1.6 2001/01/17 19:43:33 dawes Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontstruct.h> +#include <X11/fonts/fontutil.h> + +void +FontComputeInfoAccelerators(FontInfoPtr pFontInfo) +{ + pFontInfo->noOverlap = FALSE; + if (pFontInfo->maxOverlap <= pFontInfo->minbounds.leftSideBearing) + pFontInfo->noOverlap = TRUE; + + if ((pFontInfo->minbounds.ascent == pFontInfo->maxbounds.ascent) && + (pFontInfo->minbounds.descent == pFontInfo->maxbounds.descent) && + (pFontInfo->minbounds.leftSideBearing == + pFontInfo->maxbounds.leftSideBearing) && + (pFontInfo->minbounds.rightSideBearing == + pFontInfo->maxbounds.rightSideBearing) && + (pFontInfo->minbounds.characterWidth == + pFontInfo->maxbounds.characterWidth) && + (pFontInfo->minbounds.attributes == pFontInfo->maxbounds.attributes)) { + pFontInfo->constantMetrics = TRUE; + if ((pFontInfo->maxbounds.leftSideBearing == 0) && + (pFontInfo->maxbounds.rightSideBearing == + pFontInfo->maxbounds.characterWidth) && + (pFontInfo->maxbounds.ascent == pFontInfo->fontAscent) && + (pFontInfo->maxbounds.descent == pFontInfo->fontDescent)) + pFontInfo->terminalFont = TRUE; + else + pFontInfo->terminalFont = FALSE; + } else { + pFontInfo->constantMetrics = FALSE; + pFontInfo->terminalFont = FALSE; + } + if (pFontInfo->minbounds.characterWidth == pFontInfo->maxbounds.characterWidth) + pFontInfo->constantWidth = TRUE; + else + pFontInfo->constantWidth = FALSE; + + if ((pFontInfo->minbounds.leftSideBearing >= 0) && + (pFontInfo->maxOverlap <= 0) && + (pFontInfo->minbounds.ascent >= -pFontInfo->fontDescent) && + (pFontInfo->maxbounds.ascent <= pFontInfo->fontAscent) && + (-pFontInfo->minbounds.descent <= pFontInfo->fontAscent) && + (pFontInfo->maxbounds.descent <= pFontInfo->fontDescent)) + pFontInfo->inkInside = TRUE; + else + pFontInfo->inkInside = FALSE; +} + +int +FontCouldBeTerminal(FontInfoPtr pFontInfo) +{ + if ((pFontInfo->minbounds.leftSideBearing >= 0) && + (pFontInfo->maxbounds.rightSideBearing <= pFontInfo->maxbounds.characterWidth) && + (pFontInfo->minbounds.characterWidth == pFontInfo->maxbounds.characterWidth) && + (pFontInfo->maxbounds.ascent <= pFontInfo->fontAscent) && + (pFontInfo->maxbounds.descent <= pFontInfo->fontDescent) && + (pFontInfo->maxbounds.leftSideBearing != 0 || + pFontInfo->minbounds.rightSideBearing != pFontInfo->minbounds.characterWidth || + pFontInfo->minbounds.ascent != pFontInfo->fontAscent || + pFontInfo->minbounds.descent != pFontInfo->fontDescent)) { + /* blow off font with nothing but a SPACE */ + if (pFontInfo->maxbounds.ascent == 0 && + pFontInfo->maxbounds.descent == 0) + return FALSE; + return TRUE; + } + return FALSE; +} diff --git a/nx-X11/lib/font/util/fontnames.c b/nx-X11/lib/font/util/fontnames.c new file mode 100644 index 000000000..2d3a51752 --- /dev/null +++ b/nx-X11/lib/font/util/fontnames.c @@ -0,0 +1,123 @@ +/* $Xorg: fontnames.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1991, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE OPEN GROUP 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 The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/fontnames.c,v 1.4 2001/01/17 19:43:33 dawes Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + * + * @(#)fontnames.c 3.1 91/04/10 + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontstruct.h> + +void +FreeFontNames(FontNamesPtr pFN) +{ + int i; + + if (!pFN) + return; + for (i = 0; i < pFN->nnames; i++) { + xfree(pFN->names[i]); + } + xfree(pFN->names); + xfree(pFN->length); + xfree(pFN); +} + +FontNamesPtr +MakeFontNamesRecord(unsigned int size) +{ + FontNamesPtr pFN; + + pFN = (FontNamesPtr) xalloc(sizeof(FontNamesRec)); + if (pFN) { + pFN->nnames = 0; + pFN->size = size; + if (size) + { + pFN->length = (int *) xalloc(size * sizeof(int)); + pFN->names = (char **) xalloc(size * sizeof(char *)); + if (!pFN->length || !pFN->names) { + xfree(pFN->length); + xfree(pFN->names); + xfree(pFN); + pFN = (FontNamesPtr) 0; + } + } + else + { + pFN->length = 0; + pFN->names = 0; + } + } + return pFN; +} + +int +AddFontNamesName(FontNamesPtr names, char *name, int length) +{ + int index = names->nnames; + char *nelt; + + nelt = (char *) xalloc(length + 1); + if (!nelt) + return AllocError; + if (index >= names->size) { + int size = names->size << 1; + int *nlength; + char **nnames; + + if (size == 0) + size = 8; + nlength = (int *) xrealloc(names->length, size * sizeof(int)); + nnames = (char **) xrealloc(names->names, size * sizeof(char *)); + if (nlength && nnames) { + names->size = size; + names->length = nlength; + names->names = nnames; + } else { + xfree(nelt); + xfree(nlength); + xfree(nnames); + return AllocError; + } + } + names->length[index] = length; + names->names[index] = nelt; + strncpy(nelt, name, length); + nelt[length] = '\0'; + names->nnames++; + return Successful; +} diff --git a/nx-X11/lib/font/util/fontutil.c b/nx-X11/lib/font/util/fontutil.c new file mode 100644 index 000000000..05fe5c2f2 --- /dev/null +++ b/nx-X11/lib/font/util/fontutil.c @@ -0,0 +1,443 @@ +/* $Xorg: fontutil.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1991, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE OPEN GROUP 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 The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/fontutil.c,v 3.6 2001/10/28 03:32:46 tsi Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontstruct.h> +#include <X11/fonts/FSproto.h> +#include <X11/fonts/fontutil.h> + +/* Define global here... doesn't hurt the servers, and avoids + unresolved references in font clients. */ + +static int defaultGlyphCachingMode = DEFAULT_GLYPH_CACHING_MODE; +int glyphCachingMode = DEFAULT_GLYPH_CACHING_MODE; + +void +GetGlyphs(FontPtr font, + unsigned long count, + unsigned char *chars, + FontEncoding fontEncoding, + unsigned long *glyphcount, /* RETURN */ + CharInfoPtr *glyphs) /* RETURN */ +{ + (*font->get_glyphs) (font, count, chars, fontEncoding, glyphcount, glyphs); +} + +#define MIN(a,b) ((a)<(b)?(a):(b)) +#define MAX(a,b) ((a)>(b)?(a):(b)) + +void +QueryGlyphExtents(FontPtr pFont, + CharInfoPtr *charinfo, + unsigned long count, + ExtentInfoRec *info) +{ + register unsigned long i; + xCharInfo *pCI; + + info->drawDirection = pFont->info.drawDirection; + + info->fontAscent = pFont->info.fontAscent; + info->fontDescent = pFont->info.fontDescent; + + if (count != 0) { + + pCI = &((*charinfo)->metrics); charinfo++; + /* ignore nonexisting characters when calculating text extents */ + if ( !((pCI->characterWidth == 0) + && (pCI->rightSideBearing == 0) + && (pCI->leftSideBearing == 0) + && (pCI->ascent == 0) + && (pCI->descent == 0)) ) { + info->overallAscent = pCI->ascent; + info->overallDescent = pCI->descent; + info->overallLeft = pCI->leftSideBearing; + info->overallRight = pCI->rightSideBearing; + info->overallWidth = pCI->characterWidth; + } + + if (pFont->info.constantMetrics && pFont->info.noOverlap) { + info->overallWidth *= count; + info->overallRight += (info->overallWidth - + pCI->characterWidth); + } else { + for (i = 1; i < count; i++) { + pCI = &((*charinfo)->metrics); charinfo++; + /* ignore nonexisting characters when calculating extents */ + if ( !((pCI->characterWidth == 0) + && (pCI->rightSideBearing == 0) + && (pCI->leftSideBearing == 0) + && (pCI->ascent == 0) + && (pCI->descent == 0)) ) { + info->overallAscent = MAX( + info->overallAscent, + pCI->ascent); + info->overallDescent = MAX( + info->overallDescent, + pCI->descent); + info->overallLeft = MIN( + info->overallLeft, + info->overallWidth + pCI->leftSideBearing); + info->overallRight = MAX( + info->overallRight, + info->overallWidth + pCI->rightSideBearing); + /* + * yes, this order is correct; overallWidth IS incremented + * last + */ + info->overallWidth += pCI->characterWidth; + } + } + } + } else { + info->overallAscent = 0; + info->overallDescent = 0; + info->overallWidth = 0; + info->overallLeft = 0; + info->overallRight = 0; + } +} + +Bool +QueryTextExtents(FontPtr pFont, + unsigned long count, + unsigned char *chars, + ExtentInfoRec *info) +{ + xCharInfo **charinfo; + unsigned long n; + FontEncoding encoding; + int cm; + int i; + unsigned long t; + xCharInfo *defaultChar = 0; + unsigned char defc[2]; + int firstReal; + + charinfo = (xCharInfo **) xalloc(count * sizeof(xCharInfo *)); + if (!charinfo) + return FALSE; + encoding = TwoD16Bit; + if (pFont->info.lastRow == 0) + encoding = Linear16Bit; + (*pFont->get_metrics) (pFont, count, chars, encoding, &n, charinfo); + + /* Do default character substitution as get_metrics doesn't */ + +#define IsNonExistentChar(ci) (!(ci) || \ + ((ci)->ascent == 0 && \ + (ci)->descent == 0 && \ + (ci)->leftSideBearing == 0 && \ + (ci)->rightSideBearing == 0 && \ + (ci)->characterWidth == 0)) + + firstReal = n; + defc[0] = pFont->info.defaultCh >> 8; + defc[1] = pFont->info.defaultCh; + (*pFont->get_metrics) (pFont, 1, defc, encoding, &t, &defaultChar); + if ((IsNonExistentChar (defaultChar))) + defaultChar = 0; + for (i = 0; i < n; i++) + { + if ((IsNonExistentChar (charinfo[i]))) + { + if (!defaultChar) + continue; + charinfo[i] = defaultChar; + } + if (firstReal == n) + firstReal = i; + } + cm = pFont->info.constantMetrics; + pFont->info.constantMetrics = FALSE; + QueryGlyphExtents(pFont, (CharInfoPtr*) charinfo + firstReal, + n - firstReal, info); + pFont->info.constantMetrics = cm; + xfree(charinfo); + return TRUE; +} + +Bool +ParseGlyphCachingMode(char *str) +{ + if (!strcmp(str, "none")) defaultGlyphCachingMode = CACHING_OFF; + else if (!strcmp(str, "all")) defaultGlyphCachingMode = CACHE_ALL_GLYPHS; + else if (!strcmp(str, "16")) defaultGlyphCachingMode = CACHE_16_BIT_GLYPHS; + else return FALSE; + return TRUE; +} + +void +InitGlyphCaching(void) +{ + /* Set glyphCachingMode to the mode the server hopes to + support. DDX drivers that do not support the requested level + of glyph caching can call SetGlyphCachingMode to lower the + level of support. + */ + + glyphCachingMode = defaultGlyphCachingMode; +} + +/* ddxen can call SetGlyphCachingMode to inform us of what level of glyph + * caching they can support. + */ +void +SetGlyphCachingMode(int newmode) +{ + if ( (glyphCachingMode > newmode) && (newmode >= 0) ) + glyphCachingMode = newmode; +} + +#define range_alloc_granularity 16 +#define mincharp(p) ((p)->min_char_low + ((p)->min_char_high << 8)) +#define maxcharp(p) ((p)->max_char_low + ((p)->max_char_high << 8)) + +/* add_range(): Add range to a list of ranges, with coalescence */ +int +add_range(fsRange *newrange, + int *nranges, + fsRange **range, + Bool charset_subset) +{ + int first, last, middle; + unsigned long keymin, keymax; + unsigned long ptrmin = 0, ptrmax = 0; + fsRange *ptr = NULL, *ptr1, *ptr2, *endptr; + + /* There are two different ways to treat ranges: + + 1) Charset subsetting (support of the HP XLFD enhancements), in + which a range of 0x1234,0x3456 means all numbers between + 0x1234 and 0x3456, and in which min and max might be swapped. + + 2) Row/column ranges, in which a range of 0x1234,0x3456 means the + ranges 0x1234-0x1256, 0x1334-0x1356, ... , 0x3434-0x3456. + This is for support of glyph caching. + + The choice of treatment is selected with the "charset_subset" + flag */ + + /* If newrange covers multiple rows; break up the rows */ + if (!charset_subset && newrange->min_char_high != newrange->max_char_high) + { + int i, err = 0; + fsRange temprange; + for (i = newrange->min_char_high; + i <= newrange->max_char_high; + i++) + { + temprange.min_char_low = newrange->min_char_low; + temprange.max_char_low = newrange->max_char_low; + temprange.min_char_high = temprange.max_char_high = i; + err = add_range(&temprange, nranges, range, charset_subset); + if (err != Successful) break; + } + return err; + } + + keymin = mincharp(newrange); + keymax = maxcharp(newrange); + + if (charset_subset && keymin > keymax) + { + unsigned long temp = keymin; + keymin = keymax; + keymax = temp; + } + + /* add_range() maintains a sorted list; this makes possible coalescence + and binary searches */ + + /* Binary search for a range with which the new range can merge */ + + first = middle = 0; + last = *nranges - 1; + while (last >= first) + { + middle = (first + last) / 2; + ptr = (*range) + middle; + ptrmin = mincharp(ptr); + ptrmax = maxcharp(ptr); + + if (ptrmin > 0 && keymax < ptrmin - 1) last = middle - 1; + else if (keymin > ptrmax + 1) first = middle + 1; + else if (!charset_subset) + { + /* We might have a range with which to merge... IF the + result doesn't cross rows */ + if (newrange->min_char_high != ptr->min_char_high) + last = first - 1; /* Force adding a new range */ + break; + } + else break; /* We have at least one range with which we can merge */ + } + + if (last < first) + { + /* Search failed; we need to add a new range to the list. */ + + /* Grow the list if necessary */ + if (*nranges == 0 || *range == (fsRange *)0) + { + *range = (fsRange *)xalloc(range_alloc_granularity * + SIZEOF(fsRange)); + *nranges = 0; + } + else if (!(*nranges % range_alloc_granularity)) + { + *range = (fsRange *)xrealloc((char *)*range, + (*nranges + range_alloc_granularity) * + SIZEOF(fsRange)); + } + + /* If alloc failed, just return a null list */ + if (*range == (fsRange *)0) + { + *nranges = 0; + return AllocError; + } + + /* Should new entry go *at* or *after* ptr? */ + ptr = (*range) + middle; + if (middle < *nranges && keymin > ptrmin) ptr++; /* after */ + + /* Open up a space for our new range */ + memmove((char *)(ptr + 1), + (char *)ptr, + (char *)(*range + *nranges) - (char *)ptr); + + /* Insert the new range */ + ptr->min_char_low = keymin & 0xff; + ptr->min_char_high = keymin >> 8; + ptr->max_char_low = keymax & 0xff; + ptr->max_char_high = keymax >> 8; + + /* Update range count */ + (*nranges)++; + + /* Done */ + return Successful; + } + + /* Join our new range to that pointed to by "ptr" */ + if (keymin < ptrmin) + { + ptr->min_char_low = keymin & 0xff; + ptr->min_char_high = keymin >> 8; + } + if (keymax > ptrmax) + { + ptr->max_char_low = keymax & 0xff; + ptr->max_char_high = keymax >> 8; + } + + ptrmin = mincharp(ptr); + ptrmax = maxcharp(ptr); + + endptr = *range + *nranges; + + for (ptr1 = ptr; ptr1 >= *range; ptr1--) + { + if (ptrmin <= maxcharp(ptr1) + 1) + { + if (!charset_subset && ptr->min_char_high != ptr1->min_char_high) + break; + if (ptrmin >= mincharp(ptr1)) + ptrmin = mincharp(ptr1); + } + else break; + } + for (ptr2 = ptr; ptr2 < endptr; ptr2++) + { + if ((ptr2->min_char_low == 0 && ptr2->min_char_high == 0) || + ptrmax >= mincharp(ptr2) - 1) + { + if (!charset_subset && ptr->min_char_high != ptr2->min_char_high) + break; + if (ptrmax <= maxcharp(ptr2)) + ptrmax = maxcharp(ptr2); + } + else break; + } + + /* We need to coalesce ranges between ptr1 and ptr2 exclusive */ + ptr1++; + ptr2--; + if (ptr1 != ptr2) + { + memmove(ptr1, ptr2, (char *)endptr - (char *)ptr2); + *nranges -= (ptr2 - ptr1); + } + + /* Write the new range into the range list */ + ptr1->min_char_low = ptrmin & 0xff; + ptr1->min_char_high = ptrmin >> 8; + ptr1->max_char_low = ptrmax & 0xff; + ptr1->max_char_high = ptrmax >> 8; + + return Successful; +} + +/* It is difficult to find a good place for this. */ +#ifdef NEED_STRCASECMP +int +f_strcasecmp(const char *s1, const char *s2) +{ + char c1, c2; + + if (*s1 == 0) + if (*s2 == 0) + return 0; + else + return 1; + + c1 = (isupper (*s1) ? tolower (*s1) : *s1); + c2 = (isupper (*s2) ? tolower (*s2) : *s2); + while (c1 == c2) { + if (c1 == '\0') + return 0; + s1++; + s2++; + c1 = (isupper (*s1) ? tolower (*s1) : *s1); + c2 = (isupper (*s2) ? tolower (*s2) : *s2); + } + return c1 - c2; +} +#endif + diff --git a/nx-X11/lib/font/util/fontxlfd.c b/nx-X11/lib/font/util/fontxlfd.c new file mode 100644 index 000000000..7adf74f4c --- /dev/null +++ b/nx-X11/lib/font/util/fontxlfd.c @@ -0,0 +1,637 @@ +/* $Xorg: fontxlfd.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1990, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE OPEN GROUP 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 The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/fontxlfd.c,v 3.16tsi Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontstruct.h> +#include <X11/fonts/fontxlfd.h> +#include <X11/fonts/fontutil.h> +#include <X11/Xos.h> +#include <math.h> +#include <stdlib.h> +#if defined(sony) && !defined(SYSTYPE_SYSV) && !defined(_SYSTYPE_SYSV) +#define NO_LOCALE +#endif +#ifndef NO_LOCALE +#include <locale.h> +#endif +#include <ctype.h> +#include <stdio.h> /* for sprintf() */ + +static char * +GetInt(char *ptr, int *val) +{ + if (*ptr == '*') { + *val = -1; + ptr++; + } else + for (*val = 0; *ptr >= '0' && *ptr <= '9';) + *val = *val * 10 + *ptr++ - '0'; + if (*ptr == '-') + return ptr; + return (char *) 0; +} + +#define minchar(p) ((p).min_char_low + ((p).min_char_high << 8)) +#define maxchar(p) ((p).max_char_low + ((p).max_char_high << 8)) + + +#ifndef NO_LOCALE +static struct lconv *locale = 0; +#endif +static char *radix = ".", *plus = "+", *minus = "-"; + +static char * +readreal(char *ptr, double *result) +{ + char buffer[80], *p1, *p2; + +#ifndef NO_LOCALE + /* Figure out what symbols apply in this locale */ + + if (!locale) + { + locale = localeconv(); + if (locale->decimal_point && *locale->decimal_point) + radix = locale->decimal_point; + if (locale->positive_sign && *locale->positive_sign) + plus = locale->positive_sign; + if (locale->negative_sign && *locale->negative_sign) + minus = locale->negative_sign; + } +#endif + /* Copy the first 80 chars of ptr into our local buffer, changing + symbols as needed. */ + for (p1 = ptr, p2 = buffer; + *p1 && (p2 - buffer) < sizeof(buffer) - 1; + p1++, p2++) + { + switch(*p1) + { + case '~': *p2 = *minus; break; + case '+': *p2 = *plus; break; + case '.': *p2 = *radix; break; + default: *p2 = *p1; + } + } + *p2 = 0; + + /* Now we have something that strtod() can interpret... do it. */ + *result = strtod(buffer, &p1); + /* Return NULL if failure, pointer past number if success */ + return (p1 == buffer) ? (char *)0 : (ptr + (p1 - buffer)); +} + +static char * +xlfd_double_to_text(double value, char *buffer, int space_required) +{ + char formatbuf[40]; + register char *p1; + int ndigits, exponent; + +#ifndef NO_LOCALE + if (!locale) + { + locale = localeconv(); + if (locale->decimal_point && *locale->decimal_point) + radix = locale->decimal_point; + if (locale->positive_sign && *locale->positive_sign) + plus = locale->positive_sign; + if (locale->negative_sign && *locale->negative_sign) + minus = locale->negative_sign; + } +#endif + /* Compute a format to use to render the number */ + sprintf(formatbuf, "%%.%dle", XLFD_NDIGITS); + + if (space_required) + *buffer++ = ' '; + + /* Render the number using printf's idea of formatting */ + sprintf(buffer, formatbuf, value); + + /* Find and read the exponent value */ + for (p1 = buffer + strlen(buffer); + *p1-- != 'e' && p1[1] != 'E';); + exponent = atoi(p1 + 2); + if (value == 0.0) exponent = 0; + + /* Figure out how many digits are significant */ + while (p1 >= buffer && (!isdigit(*p1) || *p1 == '0')) p1--; + ndigits = 0; + while (p1 >= buffer) if (isdigit(*p1--)) ndigits++; + + /* Figure out notation to use */ + if (exponent >= XLFD_NDIGITS || ndigits - exponent > XLFD_NDIGITS + 1) + { + /* Scientific */ + sprintf(formatbuf, "%%.%dle", ndigits - 1); + sprintf(buffer, formatbuf, value); + } + else + { + /* Fixed */ + ndigits -= exponent + 1; + if (ndigits < 0) ndigits = 0; + sprintf(formatbuf, "%%.%dlf", ndigits); + sprintf(buffer, formatbuf, value); + if (exponent < 0) + { + p1 = buffer; + while (*p1 && *p1 != '0') p1++; + while (*p1++) p1[-1] = *p1; + } + } + + /* Last step, convert the locale-specific sign and radix characters + to our own. */ + for (p1 = buffer; *p1; p1++) + { + if (*p1 == *minus) *p1 = '~'; + else if (*p1 == *plus) *p1 = '+'; + else if (*p1 == *radix) *p1 = '.'; + } + + return buffer - space_required; +} + +double +xlfd_round_double(double x) +{ + /* Utility for XLFD users to round numbers to XLFD_NDIGITS + significant digits. How do you round to n significant digits on + a binary machine? */ + +#if defined(i386) || defined(__i386__) || \ + defined(ia64) || defined(__ia64__) || \ + defined(__alpha__) || defined(__alpha) || \ + defined(__hppa__) || \ + defined(__amd64__) || defined(__amd64) || \ + defined(sgi) +#if !defined(__UNIXOS2__) +#include <float.h> + +/* if we have IEEE 754 fp, we can round to binary digits... */ + +#if (FLT_RADIX == 2) && (DBL_DIG == 15) && (DBL_MANT_DIG == 53) + +#ifndef M_LN2 +#define M_LN2 0.69314718055994530942 +#endif +#ifndef M_LN10 +#define M_LN10 2.30258509299404568402 +#endif + +/* convert # of decimal digits to # of binary digits */ +#define XLFD_NDIGITS_2 ((int)(XLFD_NDIGITS * M_LN10 / M_LN2 + 0.5)) + + union conv_d { + double d; + unsigned char b[8]; + } d; + int i,j,k,d_exp; + + if (x == 0) + return x; + + /* do minor sanity check for IEEE 754 fp and correct byte order */ + d.d = 1.0; + if (sizeof(double) == 8 && d.b[7] == 0x3f && d.b[6] == 0xf0) { + + /* + * this code will round IEEE 754 double to XLFD_NDIGITS_2 binary digits + */ + + d.d = x; + d_exp = (d.b[7] << 4) | (d.b[6] >> 4); + + i = (DBL_MANT_DIG-XLFD_NDIGITS_2) >> 3; + j = 1 << ((DBL_MANT_DIG-XLFD_NDIGITS_2) & 0x07); + for (; i<7; i++) { + k = d.b[i] + j; + d.b[i] = k; + if (k & 0x100) j = 1; + else break; + } + if ((i==7) && ((d.b[6] & 0xf0) != ((d_exp<<4) & 0xf0))) { + /* mantissa overflow: increment exponent */ + d_exp = (d_exp & 0x800 ) | ((d_exp & 0x7ff) + 1); + d.b[7] = d_exp >> 4; + d.b[6] = (d.b[6] & 0x0f) | (d_exp << 4); + } + + i = (DBL_MANT_DIG-XLFD_NDIGITS_2) >> 3; + j = 1 << ((DBL_MANT_DIG-XLFD_NDIGITS_2) & 0x07); + d.b[i] &= ~(j-1); + for (;--i>=0;) d.b[i] = 0; + + return d.d; + } + else +#endif +#endif /* !__UNIXOS2__ */ +#endif /* i386 || __i386__ */ + { + /* + * If not IEEE 754: Let printf() do it for you. + */ + + char formatbuf[40], buffer[40]; + + sprintf(formatbuf, "%%.%dlg", XLFD_NDIGITS); + sprintf(buffer, formatbuf, x); + return atof(buffer); + } +} + +static char * +GetMatrix(char *ptr, FontScalablePtr vals, int which) +{ + double *matrix; + + if (which == PIXELSIZE_MASK) + matrix = vals->pixel_matrix; + else if (which == POINTSIZE_MASK) + matrix = vals->point_matrix; + else return (char *)0; + + while (isspace(*ptr)) ptr++; + if (*ptr == '[') + { + /* This is a matrix containing real numbers. It would be nice + to use strtod() or sscanf() to read the numbers, but those + don't handle '~' for minus and we cannot force them to use a + "." for the radix. We'll have to do the hard work ourselves + (in readreal()). */ + + if ((ptr = readreal(++ptr, matrix + 0)) && + (ptr = readreal(ptr, matrix + 1)) && + (ptr = readreal(ptr, matrix + 2)) && + (ptr = readreal(ptr, matrix + 3))) + { + while (isspace(*ptr)) ptr++; + if (*ptr != ']') + ptr = (char *)0; + else + { + ptr++; + while (isspace(*ptr)) ptr++; + if (*ptr == '-') + { + if (which == POINTSIZE_MASK) + vals->values_supplied |= POINTSIZE_ARRAY; + else + vals->values_supplied |= PIXELSIZE_ARRAY; + } + else ptr = (char *)0; + } + } + } + else + { + int value; + if ((ptr = GetInt(ptr, &value))) + { + vals->values_supplied &= ~which; + if (value > 0) + { + matrix[3] = (double)value; + if (which == POINTSIZE_MASK) + { + matrix[3] /= 10.0; + vals->values_supplied |= POINTSIZE_SCALAR; + } + else + vals->values_supplied |= PIXELSIZE_SCALAR; + /* If we're concocting the pixelsize array from a scalar, + we will need to normalize element 0 for the pixel shape. + This is done in FontFileCompleteXLFD(). */ + matrix[0] = matrix[3]; + matrix[1] = matrix[2] = 0.0; + } + else if (value < 0) + { + if (which == POINTSIZE_MASK) + vals->values_supplied |= POINTSIZE_WILDCARD; + else + vals->values_supplied |= PIXELSIZE_WILDCARD; + } + } + } + return ptr; +} + + +static void +append_ranges(char *fname, int nranges, fsRange *ranges) +{ + if (nranges) + { + int i; + + strcat(fname, "["); + for (i = 0; i < nranges && strlen(fname) < 1010; i++) + { + if (i) strcat(fname, " "); + sprintf(fname + strlen(fname), "%d", + minchar(ranges[i])); + if (ranges[i].min_char_low == + ranges[i].max_char_low && + ranges[i].min_char_high == + ranges[i].max_char_high) continue; + sprintf(fname + strlen(fname), "_%d", + maxchar(ranges[i])); + } + strcat(fname, "]"); + } +} + +Bool +FontParseXLFDName(char *fname, FontScalablePtr vals, int subst) +{ + register char *ptr; + register char *ptr1, + *ptr2, + *ptr3, + *ptr4; + register char *ptr5; + FontScalableRec tmpvals; + char replaceChar = '0'; + char tmpBuf[1024]; + int spacingLen; + int l; + char *p; + + bzero(&tmpvals, sizeof(tmpvals)); + if (subst != FONT_XLFD_REPLACE_VALUE) + *vals = tmpvals; + + if (!(*(ptr = fname) == '-' || (*ptr++ == '*' && *ptr == '-')) || /* fndry */ + !(ptr = strchr(ptr + 1, '-')) || /* family_name */ + !(ptr1 = ptr = strchr(ptr + 1, '-')) || /* weight_name */ + !(ptr = strchr(ptr + 1, '-')) || /* slant */ + !(ptr = strchr(ptr + 1, '-')) || /* setwidth_name */ + !(ptr = strchr(ptr + 1, '-')) || /* add_style_name */ + !(ptr = strchr(ptr + 1, '-')) || /* pixel_size */ + !(ptr = GetMatrix(ptr + 1, &tmpvals, PIXELSIZE_MASK)) || + !(ptr2 = ptr = GetMatrix(ptr + 1, &tmpvals, POINTSIZE_MASK)) || + !(ptr = GetInt(ptr + 1, &tmpvals.x)) || /* resolution_x */ + !(ptr3 = ptr = GetInt(ptr + 1, &tmpvals.y)) || /* resolution_y */ + !(ptr4 = ptr = strchr(ptr + 1, '-')) || /* spacing */ + !(ptr5 = ptr = GetInt(ptr + 1, &tmpvals.width)) || /* average_width */ + !(ptr = strchr(ptr + 1, '-')) || /* charset_registry */ + strchr(ptr + 1, '-'))/* charset_encoding */ + return FALSE; + + /* Lop off HP charset subsetting enhancement. Interpreting this + field requires allocating some space in which to return the + results. So, to prevent memory leaks, this procedure will simply + lop off and ignore charset subsetting, and initialize the + relevant vals fields to zero. It's up to the caller to make its + own call to FontParseRanges() if it's interested in the charset + subsetting. */ + + if (subst != FONT_XLFD_REPLACE_NONE && + (p = strchr(strrchr(fname, '-'), '['))) + { + tmpvals.values_supplied |= CHARSUBSET_SPECIFIED; + *p = '\0'; + } + + /* Fill in deprecated fields for the benefit of rasterizers that care + about them. */ + tmpvals.pixel = (tmpvals.pixel_matrix[3] >= 0) ? + (int)(tmpvals.pixel_matrix[3] + .5) : + (int)(tmpvals.pixel_matrix[3] - .5); + tmpvals.point = (tmpvals.point_matrix[3] >= 0) ? + (int)(tmpvals.point_matrix[3] * 10 + .5) : + (int)(tmpvals.point_matrix[3] * 10 - .5); + + spacingLen = ptr4 - ptr3 + 1; + + switch (subst) { + case FONT_XLFD_REPLACE_NONE: + *vals = tmpvals; + break; + case FONT_XLFD_REPLACE_STAR: + replaceChar = '*'; + case FONT_XLFD_REPLACE_ZERO: + strcpy(tmpBuf, ptr2); + ptr5 = tmpBuf + (ptr5 - ptr2); + ptr3 = tmpBuf + (ptr3 - ptr2); + ptr2 = tmpBuf; + ptr = ptr1 + 1; + + ptr = strchr(ptr, '-') + 1; /* skip weight */ + ptr = strchr(ptr, '-') + 1; /* skip slant */ + ptr = strchr(ptr, '-') + 1; /* skip setwidth_name */ + ptr = strchr(ptr, '-') + 1; /* skip add_style_name */ + + if ((ptr - fname) + spacingLen + strlen(ptr5) + 10 >= (unsigned)1024) + return FALSE; + *ptr++ = replaceChar; + *ptr++ = '-'; + *ptr++ = replaceChar; + *ptr++ = '-'; + *ptr++ = '*'; + *ptr++ = '-'; + *ptr++ = '*'; + if (spacingLen > 2) + { + memmove(ptr, ptr3, spacingLen); + ptr += spacingLen; + } + else + { + *ptr++ = '-'; + *ptr++ = '*'; + *ptr++ = '-'; + } + *ptr++ = replaceChar; + strcpy(ptr, ptr5); + *vals = tmpvals; + break; + case FONT_XLFD_REPLACE_VALUE: + if (vals->values_supplied & PIXELSIZE_MASK) + { + tmpvals.values_supplied = + (tmpvals.values_supplied & ~PIXELSIZE_MASK) | + (vals->values_supplied & PIXELSIZE_MASK); + tmpvals.pixel_matrix[0] = vals->pixel_matrix[0]; + tmpvals.pixel_matrix[1] = vals->pixel_matrix[1]; + tmpvals.pixel_matrix[2] = vals->pixel_matrix[2]; + tmpvals.pixel_matrix[3] = vals->pixel_matrix[3]; + } + if (vals->values_supplied & POINTSIZE_MASK) + { + tmpvals.values_supplied = + (tmpvals.values_supplied & ~POINTSIZE_MASK) | + (vals->values_supplied & POINTSIZE_MASK); + tmpvals.point_matrix[0] = vals->point_matrix[0]; + tmpvals.point_matrix[1] = vals->point_matrix[1]; + tmpvals.point_matrix[2] = vals->point_matrix[2]; + tmpvals.point_matrix[3] = vals->point_matrix[3]; + } + if (vals->x >= 0) + tmpvals.x = vals->x; + if (vals->y >= 0) + tmpvals.y = vals->y; + if (vals->width >= 0) + tmpvals.width = vals->width; + else if (vals->width < -1) /* overload: -1 means wildcard */ + tmpvals.width = -vals->width; + + + p = ptr1 + 1; /* weight field */ + l = strchr(p, '-') - p; + sprintf(tmpBuf, "%*.*s", l, l, p); + + p += l + 1; /* slant field */ + l = strchr(p, '-') - p; + sprintf(tmpBuf + strlen(tmpBuf), "-%*.*s", l, l, p); + + p += l + 1; /* setwidth_name */ + l = strchr(p, '-') - p; + sprintf(tmpBuf + strlen(tmpBuf), "-%*.*s", l, l, p); + + p += l + 1; /* add_style_name field */ + l = strchr(p, '-') - p; + sprintf(tmpBuf + strlen(tmpBuf), "-%*.*s", l, l, p); + + strcat(tmpBuf, "-"); + if ((tmpvals.values_supplied & PIXELSIZE_MASK) == PIXELSIZE_ARRAY) + { + char buffer[80]; + strcat(tmpBuf, "["); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.pixel_matrix[0], + buffer, 0)); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.pixel_matrix[1], + buffer, 1)); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.pixel_matrix[2], + buffer, 1)); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.pixel_matrix[3], + buffer, 1)); + strcat(tmpBuf, "]"); + } + else + { + sprintf(tmpBuf + strlen(tmpBuf), "%d", + (int)(tmpvals.pixel_matrix[3] + .5)); + } + strcat(tmpBuf, "-"); + if ((tmpvals.values_supplied & POINTSIZE_MASK) == POINTSIZE_ARRAY) + { + char buffer[80]; + strcat(tmpBuf, "["); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.point_matrix[0], + buffer, 0)); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.point_matrix[1], + buffer, 1)); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.point_matrix[2], + buffer, 1)); + strcat(tmpBuf, xlfd_double_to_text(tmpvals.point_matrix[3], + buffer, 1)); + strcat(tmpBuf, "]"); + } + else + { + sprintf(tmpBuf + strlen(tmpBuf), "%d", + (int)(tmpvals.point_matrix[3] * 10.0 + .5)); + } + sprintf(tmpBuf + strlen(tmpBuf), "-%d-%d%*.*s%d%s", + tmpvals.x, tmpvals.y, + spacingLen, spacingLen, ptr3, tmpvals.width, ptr5); + strcpy(ptr1 + 1, tmpBuf); + if ((vals->values_supplied & CHARSUBSET_SPECIFIED) && !vals->nranges) + strcat(fname, "[]"); + else + append_ranges(fname, vals->nranges, vals->ranges); + break; + } + return TRUE; +} + +fsRange *FontParseRanges(char *name, int *nranges) +{ + int n; + unsigned long l; + char *p1, *p2; + fsRange *result = (fsRange *)0; + + name = strchr(name, '-'); + for (n = 1; name && n < 14; n++) + name = strchr(name + 1, '-'); + + *nranges = 0; + if (!name || !(p1 = strchr(name, '['))) return (fsRange *)0; + p1++; + + while (*p1 && *p1 != ']') + { + fsRange thisrange; + + l = strtol(p1, &p2, 0); + if (p2 == p1 || l > 0xffff) break; + thisrange.max_char_low = thisrange.min_char_low = l & 0xff; + thisrange.max_char_high = thisrange.min_char_high = l >> 8; + + p1 = p2; + if (*p1 == ']' || *p1 == ' ') + { + while (*p1 == ' ') p1++; + if (add_range(&thisrange, nranges, &result, TRUE) != Successful) + break; + } + else if (*p1 == '_') + { + l = strtol(++p1, &p2, 0); + if (p2 == p1 || l > 0xffff) break; + thisrange.max_char_low = l & 0xff; + thisrange.max_char_high = l >> 8; + p1 = p2; + if (*p1 == ']' || *p1 == ' ') + { + while (*p1 == ' ') p1++; + if (add_range(&thisrange, nranges, &result, TRUE) != Successful) + break; + } + } + else break; + } + + return result; +} diff --git a/nx-X11/lib/font/util/format.c b/nx-X11/lib/font/util/format.c new file mode 100644 index 000000000..6700721f9 --- /dev/null +++ b/nx-X11/lib/font/util/format.c @@ -0,0 +1,126 @@ +/* $Xorg: format.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ +/* + * Copyright 1990, 1991 Network Computing Devices; + * Portions Copyright 1987 by Digital Equipment Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the names of Network Computing Devices or Digital + * not be used in advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. Network Computing + * Devices and Digital make no representations about the suitability of + * this software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * NETWORK COMPUTING DEVICES AND DIGITAL DISCLAIM ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES OR DIGITAL BE + * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE OPEN GROUP 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 The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/format.c,v 1.4 2001/01/17 19:43:33 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/FSproto.h> +#include <X11/fonts/font.h> +#include <X11/fonts/fontstruct.h> +#include <X11/fonts/fontutil.h> + +int +CheckFSFormat(fsBitmapFormat format, + fsBitmapFormatMask fmask, + int *bit_order, + int *byte_order, + int *scan, + int *glyph, + int *image) +{ + /* convert format to what the low levels want */ + if (fmask & BitmapFormatMaskBit) { + *bit_order = format & BitmapFormatBitOrderMask; + *bit_order = (*bit_order == BitmapFormatBitOrderMSB) + ? MSBFirst : LSBFirst; + } + if (fmask & BitmapFormatMaskByte) { + *byte_order = format & BitmapFormatByteOrderMask; + *byte_order = (*byte_order == BitmapFormatByteOrderMSB) + ? MSBFirst : LSBFirst; + } + if (fmask & BitmapFormatMaskScanLineUnit) { + *scan = format & BitmapFormatScanlineUnitMask; + /* convert byte paddings into byte counts */ + switch (*scan) { + case BitmapFormatScanlineUnit8: + *scan = 1; + break; + case BitmapFormatScanlineUnit16: + *scan = 2; + break; + case BitmapFormatScanlineUnit32: + *scan = 4; + break; + default: + return BadFontFormat; + } + } + if (fmask & BitmapFormatMaskScanLinePad) { + *glyph = format & BitmapFormatScanlinePadMask; + /* convert byte paddings into byte counts */ + switch (*glyph) { + case BitmapFormatScanlinePad8: + *glyph = 1; + break; + case BitmapFormatScanlinePad16: + *glyph = 2; + break; + case BitmapFormatScanlinePad32: + *glyph = 4; + break; + default: + return BadFontFormat; + } + } + if (fmask & BitmapFormatMaskImageRectangle) { + *image = format & BitmapFormatImageRectMask; + + if (*image != BitmapFormatImageRectMin && + *image != BitmapFormatImageRectMaxWidth && + *image != BitmapFormatImageRectMax) + return BadFontFormat; + } + return Successful; +} diff --git a/nx-X11/lib/font/util/miscutil.c b/nx-X11/lib/font/util/miscutil.c new file mode 100644 index 000000000..03b4d061d --- /dev/null +++ b/nx-X11/lib/font/util/miscutil.c @@ -0,0 +1,99 @@ +/* $Xorg: miscutil.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1991, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE OPEN GROUP 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 The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/miscutil.c,v 1.7 2001/07/25 15:04:57 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Xosdefs.h> +#include <stdlib.h> +#include <X11/fonts/fontmisc.h> + +#define XK_LATIN1 +#include <X11/keysymdef.h> +/* #include <X11/Xmu/CharSet.h> */ + +/* make sure everything initializes themselves at least once */ + +long serverGeneration = 1; + +void * +Xalloc (unsigned long m) +{ + return malloc (m); +} + +void * +Xrealloc (void *n, unsigned long m) +{ + if (!n) + return malloc (m); + else + return realloc (n, m); +} + +void +Xfree (void *n) +{ + if (n) + free (n); +} + +void * +Xcalloc (unsigned long n) +{ + return calloc (n, 1); +} + +void +CopyISOLatin1Lowered (char *dst, char *src, int len) +{ + register unsigned char *dest, *source; + + for (dest = (unsigned char *)dst, source = (unsigned char *)src; + *source && len > 0; + source++, dest++, len--) + { + if ((*source >= XK_A) && (*source <= XK_Z)) + *dest = *source + (XK_a - XK_A); + else if ((*source >= XK_Agrave) && (*source <= XK_Odiaeresis)) + *dest = *source + (XK_agrave - XK_Agrave); + else if ((*source >= XK_Ooblique) && (*source <= XK_Thorn)) + *dest = *source + (XK_oslash - XK_Ooblique); + else + *dest = *source; + } + *dest = '\0'; +} + +void +register_fpe_functions () +{ +} diff --git a/nx-X11/lib/font/util/patcache.c b/nx-X11/lib/font/util/patcache.c new file mode 100644 index 000000000..0351b1ac2 --- /dev/null +++ b/nx-X11/lib/font/util/patcache.c @@ -0,0 +1,221 @@ +/* $Xorg: patcache.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1991, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE +OPEN GROUP 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 The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/patcache.c,v 3.4 2001/01/17 19:43:33 dawes Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontstruct.h> + +/* + * Static sized hash table for looking up font name patterns + * + * LRU entries, reusing old entries + */ + +#define NBUCKETS 16 +#define NENTRIES 64 + +#define UNSET (NENTRIES+1) + +typedef unsigned char EntryPtr; + +typedef struct _FontPatternCacheEntry { + struct _FontPatternCacheEntry *next, **prev; + short patlen; + char *pattern; + int hash; + FontPtr pFont; /* associated font */ +} FontPatternCacheEntryRec, *FontPatternCacheEntryPtr; + +typedef struct _FontPatternCache { + FontPatternCacheEntryPtr buckets[NBUCKETS]; + FontPatternCacheEntryRec entries[NENTRIES]; + FontPatternCacheEntryPtr free; +} FontPatternCacheRec; + +/* Empty cache (for rehash) */ +void +EmptyFontPatternCache (FontPatternCachePtr cache) +{ + int i; + + for (i = 0; i < NBUCKETS; i++) + cache->buckets[i] = 0; + for (i = 0; i < NENTRIES; i++) + { + cache->entries[i].next = &cache->entries[i+1]; + cache->entries[i].prev = 0; + cache->entries[i].pFont = 0; + xfree (cache->entries[i].pattern); + cache->entries[i].pattern = 0; + cache->entries[i].patlen = 0; + } + cache->free = &cache->entries[0]; + cache->entries[NENTRIES - 1].next = 0; +} + +/* Create and initialize cache */ +FontPatternCachePtr +MakeFontPatternCache (void) +{ + FontPatternCachePtr cache; + int i; + cache = (FontPatternCachePtr) xalloc (sizeof *cache); + if (!cache) + return 0; + for (i = 0; i < NENTRIES; i++) { + cache->entries[i].patlen = 0; + cache->entries[i].pattern = 0; + cache->entries[i].pFont = 0; + } + EmptyFontPatternCache (cache); + return cache; +} + +/* toss cache */ +void +FreeFontPatternCache (FontPatternCachePtr cache) +{ + int i; + + for (i = 0; i < NENTRIES; i++) + xfree (cache->entries[i].pattern); + xfree (cache); +} + +/* compute id for string */ +static int +Hash (const char *string, int len) +{ + int hash; + + hash = 0; + while (len--) + hash = (hash << 1) ^ *string++; + if (hash < 0) + hash = -hash; + return hash; +} + +/* add entry */ +void +CacheFontPattern (FontPatternCachePtr cache, + char *pattern, + int patlen, + FontPtr pFont) +{ + FontPatternCacheEntryPtr e; + char *newpat; + int i; + + newpat = (char *) xalloc (patlen); + if (!newpat) + return; + if (cache->free) + { + e = cache->free; + cache->free = e->next; + } + else + { + i = rand (); + if (i < 0) + i = -i; + i %= NENTRIES; + e = &cache->entries[i]; + if (e->next) + e->next->prev = e->prev; + *e->prev = e->next; + xfree (e->pattern); + } + /* set pattern */ + memcpy (newpat, pattern, patlen); + e->pattern = newpat; + e->patlen = patlen; + /* link to new hash chain */ + e->hash = Hash (pattern, patlen); + i = e->hash % NBUCKETS; + e->next = cache->buckets[i]; + if (e->next) + e->next->prev = &(e->next); + cache->buckets[i] = e; + e->prev = &(cache->buckets[i]); + e->pFont = pFont; +} + +/* find matching entry */ +FontPtr +FindCachedFontPattern (FontPatternCachePtr cache, + char *pattern, + int patlen) +{ + int hash; + int i; + FontPatternCacheEntryPtr e; + + hash = Hash (pattern, patlen); + i = hash % NBUCKETS; + for (e = cache->buckets[i]; e; e = e->next) + { + if (e->patlen == patlen && e->hash == hash && + !memcmp (e->pattern, pattern, patlen)) + { + return e->pFont; + } + } + return 0; +} + +void +RemoveCachedFontPattern (FontPatternCachePtr cache, + FontPtr pFont) +{ + FontPatternCacheEntryPtr e; + int i; + + for (i = 0; i < NENTRIES; i++) + { + if ((e = &cache->entries[i])->pFont == pFont) + { + e->pFont = 0; + if (e->next) + e->next->prev = e->prev; + *e->prev = e->next; + e->next = cache->free; + cache->free = e; + xfree (e->pattern); + e->pattern = 0; + } + } +} diff --git a/nx-X11/lib/font/util/private.c b/nx-X11/lib/font/util/private.c new file mode 100644 index 000000000..85e90e57b --- /dev/null +++ b/nx-X11/lib/font/util/private.c @@ -0,0 +1,107 @@ +/* $Xorg: private.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1991, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE +OPEN GROUP 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 The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/private.c,v 1.8tsi Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> +#include <X11/fonts/fontstruct.h> + +static int _FontPrivateAllocateIndex = 0; + +int +AllocateFontPrivateIndex (void) +{ + return _FontPrivateAllocateIndex++; +} + +FontPtr +CreateFontRec (void) +{ + FontPtr pFont; + int size; + + size = sizeof(FontRec) + (sizeof(pointer) * _FontPrivateAllocateIndex); + + pFont = (FontPtr)xalloc(size); + + if(pFont) { + bzero((char*)pFont, size); + pFont->maxPrivate = _FontPrivateAllocateIndex - 1; + if(_FontPrivateAllocateIndex) + pFont->devPrivates = (pointer)(&pFont[1]); + } + + return pFont; +} + +void +DestroyFontRec (FontPtr pFont) +{ + if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1])) + xfree(pFont->devPrivates); + xfree(pFont); +} + +void +ResetFontPrivateIndex (void) +{ + _FontPrivateAllocateIndex = 0; +} + +Bool +_FontSetNewPrivate (FontPtr pFont, int n, pointer ptr) +{ + pointer *new; + + if (n > pFont->maxPrivate) { + if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1])) { + new = (pointer *) xrealloc (pFont->devPrivates, (n + 1) * sizeof (pointer)); + if (!new) + return FALSE; + } else { + new = (pointer *) xalloc ((n + 1) * sizeof (pointer)); + if (!new) + return FALSE; + if (pFont->devPrivates) + memcpy (new, pFont->devPrivates, (pFont->maxPrivate + 1) * sizeof (pointer)); + } + pFont->devPrivates = new; + /* zero out new, uninitialized privates */ + while(++pFont->maxPrivate < n) + pFont->devPrivates[pFont->maxPrivate] = (pointer)0; + } + pFont->devPrivates[n] = ptr; + return TRUE; +} + diff --git a/nx-X11/lib/font/util/utilbitmap.c b/nx-X11/lib/font/util/utilbitmap.c new file mode 100644 index 000000000..a817a4ec6 --- /dev/null +++ b/nx-X11/lib/font/util/utilbitmap.c @@ -0,0 +1,188 @@ +/* $Xorg: utilbitmap.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */ + +/* + +Copyright 1990, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 THE +OPEN GROUP 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 The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/font/util/utilbitmap.c,v 1.4 2001/01/17 19:43:34 dawes Exp $ */ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> + +/* Utility functions for reformating font bitmaps */ + +static unsigned char _reverse_byte[0x100] = { + 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, + 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, + 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, + 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, + 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, + 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, + 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, + 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, + 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, + 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, + 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, + 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, + 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, + 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, + 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, + 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, + 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, + 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, + 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, + 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, + 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, + 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, + 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, + 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, + 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, + 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, + 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, + 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, + 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, + 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, + 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, + 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff +}; + +/* + * Invert bit order within each BYTE of an array. + */ +void +BitOrderInvert(unsigned char *buf, int nbytes) +{ + unsigned char *rev = _reverse_byte; + + for (; --nbytes >= 0; buf++) + *buf = rev[*buf]; +} + +/* + * Invert byte order within each 16-bits of an array. + */ +void +TwoByteSwap(unsigned char *buf, int nbytes) +{ + unsigned char c; + + for (; nbytes > 0; nbytes -= 2, buf += 2) + { + c = buf[0]; + buf[0] = buf[1]; + buf[1] = c; + } +} + +/* + * Invert byte order within each 32-bits of an array. + */ +void +FourByteSwap(unsigned char *buf, int nbytes) +{ + unsigned char c; + + for (; nbytes > 0; nbytes -= 4, buf += 4) + { + c = buf[0]; + buf[0] = buf[3]; + buf[3] = c; + c = buf[1]; + buf[1] = buf[2]; + buf[2] = c; + } +} + +/* + * Repad a bitmap + */ + +int +RepadBitmap (char *pSrc, char *pDst, + unsigned int srcPad, unsigned int dstPad, + int width, int height) +{ + int srcWidthBytes,dstWidthBytes; + int row,col; + char *pTmpSrc,*pTmpDst; + + switch (srcPad) { + case 1: + srcWidthBytes = (width+7)>>3; + break; + case 2: + srcWidthBytes = ((width+15)>>4)<<1; + break; + case 4: + srcWidthBytes = ((width+31)>>5)<<2; + break; + case 8: + srcWidthBytes = ((width+63)>>6)<<3; + break; + default: + return 0; + } + switch (dstPad) { + case 1: + dstWidthBytes = (width+7)>>3; + break; + case 2: + dstWidthBytes = ((width+15)>>4)<<1; + break; + case 4: + dstWidthBytes = ((width+31)>>5)<<2; + break; + case 8: + dstWidthBytes = ((width+63)>>6)<<3; + break; + default: + return 0; + } + + width = srcWidthBytes; + if (width > dstWidthBytes) + width = dstWidthBytes; + pTmpSrc= pSrc; + pTmpDst= pDst; + for (row = 0; row < height; row++) + { + for (col = 0; col < width; col++) + *pTmpDst++ = *pTmpSrc++; + while (col < dstWidthBytes) + { + *pTmpDst++ = '\0'; + col++; + } + pTmpSrc += srcWidthBytes - width; + } + return dstWidthBytes * height; +} + + |