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Diffstat (limited to 'nx-X11/lib/X11/TextExt.c')
-rw-r--r-- | nx-X11/lib/X11/TextExt.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/nx-X11/lib/X11/TextExt.c b/nx-X11/lib/X11/TextExt.c deleted file mode 100644 index b883b01b4..000000000 --- a/nx-X11/lib/X11/TextExt.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - -Copyright 1989, 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. - -*/ -/* - * Copyright 1995 by FUJITSU LIMITED - * This is source code modified by FUJITSU LIMITED under the Joint - * Development Agreement for the CDE/Motif PST. - */ - - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" - -#define min_byte2 min_char_or_byte2 -#define max_byte2 max_char_or_byte2 - - -/* - * CI_GET_ROWZERO_CHAR_INFO_2D - do the same thing as CI_GET_CHAR_INFO_1D, - * except that the font has more than one row. This is special case of more - * general version used in XTextExt16.c since row == 0. This is used when - * max_byte2 is not zero. A further optimization would do the check for - * min_byte1 being zero ahead of time. - */ - -#define CI_GET_ROWZERO_CHAR_INFO_2D(fs,col,def,cs) \ -{ \ - cs = def; \ - if (fs->min_byte1 == 0 && \ - col >= fs->min_byte2 && col <= fs->max_byte2) { \ - if (fs->per_char == NULL) { \ - cs = &fs->min_bounds; \ - } else { \ - cs = &fs->per_char[(col - fs->min_byte2)]; \ - if (CI_NONEXISTCHAR(cs)) cs = def; \ - } \ - } \ -} - - -/* - * XTextExtents - compute the extents of string given as a sequences of eight - * bit bytes. Since we know that the input characters will always be from the - * first row of the font (i.e. byte1 == 0), we can do some optimizations beyond - * what is done in XTextExtents16. - */ -int -XTextExtents ( - XFontStruct *fs, - _Xconst char *string, - int nchars, - int *dir, /* RETURN font information */ - int *font_ascent, /* RETURN font information */ - int *font_descent, /* RETURN font information */ - register XCharStruct *overall) /* RETURN character information */ -{ - int i; /* iterator */ - Bool singlerow = (fs->max_byte1 == 0); /* optimization */ - int nfound = 0; /* number of characters found */ - XCharStruct *def; /* info about default char */ - unsigned char *us; /* be 8bit clean */ - - if (singlerow) { /* optimization */ - CI_GET_DEFAULT_INFO_1D (fs, def); - } else { - CI_GET_DEFAULT_INFO_2D (fs, def); - } - - *dir = fs->direction; - *font_ascent = fs->ascent; - *font_descent = fs->descent; - - /* - * Iterate over the input string getting the appropriate * char struct. - * The default (which may be null if there is no def_char) will be returned - * if the character doesn't exist. On the first time * through the loop, - * assign the values to overall; otherwise, compute * the new values. - */ - - for (i = 0, us = (unsigned char *) string; i < nchars; i++, us++) { - register unsigned uc = (unsigned) *us; /* since about to do macro */ - register XCharStruct *cs; - - if (singlerow) { /* optimization */ - CI_GET_CHAR_INFO_1D (fs, uc, def, cs); - } else { - CI_GET_ROWZERO_CHAR_INFO_2D (fs, uc, def, cs); - } - - if (cs) { - if (nfound++ == 0) { - *overall = *cs; - } else { - overall->ascent = max (overall->ascent, cs->ascent); - overall->descent = max (overall->descent, cs->descent); - overall->lbearing = min (overall->lbearing, - overall->width + cs->lbearing); - overall->rbearing = max (overall->rbearing, - overall->width + cs->rbearing); - overall->width += cs->width; - } - } - } - - /* - * if there were no characters, then set everything to 0 - */ - if (nfound == 0) { - overall->width = overall->ascent = overall->descent = - overall->lbearing = overall->rbearing = 0; - } - - return 0; -} - - -/* - * XTextWidth - compute the width of a string of eightbit bytes. This is a - * subset of XTextExtents. - */ -int -XTextWidth ( - XFontStruct *fs, - _Xconst char *string, - int count) -{ - int i; /* iterator */ - Bool singlerow = (fs->max_byte1 == 0); /* optimization */ - XCharStruct *def; /* info about default char */ - unsigned char *us; /* be 8bit clean */ - int width = 0; /* RETURN value */ - - if (singlerow) { /* optimization */ - CI_GET_DEFAULT_INFO_1D (fs, def); - } else { - CI_GET_DEFAULT_INFO_2D (fs, def); - } - - if (def && fs->min_bounds.width == fs->max_bounds.width) - return (fs->min_bounds.width * count); - - /* - * Iterate over all character in the input string; only consider characters - * that exist. - */ - for (i = 0, us = (unsigned char *) string; i < count; i++, us++) { - register unsigned uc = (unsigned) *us; /* since about to do macro */ - register XCharStruct *cs; - - if (singlerow) { /* optimization */ - CI_GET_CHAR_INFO_1D (fs, uc, def, cs); - } else { - CI_GET_ROWZERO_CHAR_INFO_2D (fs, uc, def, cs); - } - - if (cs) width += cs->width; - } - - return width; -} - - - -/* - * _XTextHeight - compute the height of a string of eightbit bytes. - */ -int -_XTextHeight ( - XFontStruct *fs, - _Xconst char *string, - int count) -{ - int i; /* iterator */ - Bool singlerow = (fs->max_byte1 == 0); /* optimization */ - XCharStruct *def; /* info about default char */ - unsigned char *us; /* be 8bit clean */ - int height = 0; /* RETURN value */ - - if (singlerow) { /* optimization */ - CI_GET_DEFAULT_INFO_1D (fs, def); - } else { - CI_GET_DEFAULT_INFO_2D (fs, def); - } - - if (def && (fs->min_bounds.ascent == fs->max_bounds.ascent) - && (fs->min_bounds.descent == fs->max_bounds.descent)) - return ((fs->min_bounds.ascent + fs->min_bounds.descent) * count); - - /* - * Iterate over all character in the input string; only consider characters - * that exist. - */ - for (i = 0, us = (unsigned char *) string; i < count; i++, us++) { - register unsigned uc = (unsigned) *us; /* since about to do macro */ - register XCharStruct *cs; - - if (singlerow) { /* optimization */ - CI_GET_CHAR_INFO_1D (fs, uc, def, cs); - } else { - CI_GET_ROWZERO_CHAR_INFO_2D (fs, uc, def, cs); - } - - if (cs) height += (cs->ascent + cs->descent); - } - - return height; -} - |