From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- libX11/src/TextExt.c | 236 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100644 libX11/src/TextExt.c (limited to 'libX11/src/TextExt.c') diff --git a/libX11/src/TextExt.c b/libX11/src/TextExt.c new file mode 100644 index 000000000..fc703011f --- /dev/null +++ b/libX11/src/TextExt.c @@ -0,0 +1,236 @@ +/* $Xorg: TextExt.c,v 1.4 2001/02/09 02:03:37 xorgcvs Exp $ */ +/* + +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. + +*/ +/* $XFree86: xc/lib/X11/TextExt.c,v 1.4 2001/12/14 19:54:07 dawes Exp $ */ +/* + * 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 +#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; +} + -- cgit v1.2.3