diff options
Diffstat (limited to 'libX11/src/TextExt16.c')
-rw-r--r-- | libX11/src/TextExt16.c | 420 |
1 files changed, 210 insertions, 210 deletions
diff --git a/libX11/src/TextExt16.c b/libX11/src/TextExt16.c index 01a0f32e4..eb108a107 100644 --- a/libX11/src/TextExt16.c +++ b/libX11/src/TextExt16.c @@ -1,210 +1,210 @@ -/* - -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 - -/* - * XTextExtents16 - compute the extents of string given as a sequence of - * XChar2bs. - */ -int -XTextExtents16 ( - XFontStruct *fs, - _Xconst XChar2b *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 */ - - if (singlerow) { - 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; i < nchars; i++, string++) { - register XCharStruct *cs; - unsigned int r = (unsigned int) string->byte1; /* watch for macros */ - unsigned int c = (unsigned int) string->byte2; /* watch for macros */ - - if (singlerow) { - unsigned int ind = ((r << 8) | c); /* watch for macros */ - CI_GET_CHAR_INFO_1D (fs, ind, def, cs); - } else { - CI_GET_CHAR_INFO_2D (fs, r, c, 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; -} - - -/* - * XTextWidth16 - compute the width of sequence of XChar2bs. This is a - * subset of XTextExtents16. - */ -int -XTextWidth16 ( - XFontStruct *fs, - _Xconst XChar2b *string, - int count) -{ - int i; /* iterator */ - Bool singlerow = (fs->max_byte1 == 0); /* optimization */ - XCharStruct *def; /* info about default char */ - int width = 0; /* RETURN value */ - - if (singlerow) { - 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; i < count; i++, string++) { - register XCharStruct *cs; - unsigned int r = (unsigned int) string->byte1; /* watch for macros */ - unsigned int c = (unsigned int) string->byte2; /* watch for macros */ - - if (singlerow) { - unsigned int ind = ((r << 8) | c); /* watch for macros */ - CI_GET_CHAR_INFO_1D (fs, ind, def, cs); - } else { - CI_GET_CHAR_INFO_2D (fs, r, c, def, cs); - } - - if (cs) width += cs->width; - } - - return width; -} - - -/* - * _XTextHeight16 - compute the height of sequence of XChar2bs. - */ -int -_XTextHeight16 ( - XFontStruct *fs, - _Xconst XChar2b *string, - int count) -{ - int i; /* iterator */ - Bool singlerow = (fs->max_byte1 == 0); /* optimization */ - XCharStruct *def; /* info about default char */ - int height = 0; /* RETURN value */ - - if (singlerow) { - 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; i < count; i++, string++) { - register XCharStruct *cs; - unsigned int r = (unsigned int) string->byte1; /* watch for macros */ - unsigned int c = (unsigned int) string->byte2; /* watch for macros */ - - if (singlerow) { - unsigned int ind = ((r << 8) | c); /* watch for macros */ - CI_GET_CHAR_INFO_1D (fs, ind, def, cs); - } else { - CI_GET_CHAR_INFO_2D (fs, r, c, def, cs); - } - - if (cs) height += (cs->ascent + cs->descent); - } - - return height; -} - +/*
+
+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
+
+/*
+ * XTextExtents16 - compute the extents of string given as a sequence of
+ * XChar2bs.
+ */
+int
+XTextExtents16 (
+ XFontStruct *fs,
+ _Xconst XChar2b *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 */
+
+ if (singlerow) {
+ 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; i < nchars; i++, string++) {
+ register XCharStruct *cs;
+ unsigned int r = (unsigned int) string->byte1; /* watch for macros */
+ unsigned int c = (unsigned int) string->byte2; /* watch for macros */
+
+ if (singlerow) {
+ unsigned int ind = ((r << 8) | c); /* watch for macros */
+ CI_GET_CHAR_INFO_1D (fs, ind, def, cs);
+ } else {
+ CI_GET_CHAR_INFO_2D (fs, r, c, 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;
+}
+
+
+/*
+ * XTextWidth16 - compute the width of sequence of XChar2bs. This is a
+ * subset of XTextExtents16.
+ */
+int
+XTextWidth16 (
+ XFontStruct *fs,
+ _Xconst XChar2b *string,
+ int count)
+{
+ int i; /* iterator */
+ Bool singlerow = (fs->max_byte1 == 0); /* optimization */
+ XCharStruct *def; /* info about default char */
+ int width = 0; /* RETURN value */
+
+ if (singlerow) {
+ 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; i < count; i++, string++) {
+ register XCharStruct *cs;
+ unsigned int r = (unsigned int) string->byte1; /* watch for macros */
+ unsigned int c = (unsigned int) string->byte2; /* watch for macros */
+
+ if (singlerow) {
+ unsigned int ind = ((r << 8) | c); /* watch for macros */
+ CI_GET_CHAR_INFO_1D (fs, ind, def, cs);
+ } else {
+ CI_GET_CHAR_INFO_2D (fs, r, c, def, cs);
+ }
+
+ if (cs) width += cs->width;
+ }
+
+ return width;
+}
+
+
+/*
+ * _XTextHeight16 - compute the height of sequence of XChar2bs.
+ */
+int
+_XTextHeight16 (
+ XFontStruct *fs,
+ _Xconst XChar2b *string,
+ int count)
+{
+ int i; /* iterator */
+ Bool singlerow = (fs->max_byte1 == 0); /* optimization */
+ XCharStruct *def; /* info about default char */
+ int height = 0; /* RETURN value */
+
+ if (singlerow) {
+ 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; i < count; i++, string++) {
+ register XCharStruct *cs;
+ unsigned int r = (unsigned int) string->byte1; /* watch for macros */
+ unsigned int c = (unsigned int) string->byte2; /* watch for macros */
+
+ if (singlerow) {
+ unsigned int ind = ((r << 8) | c); /* watch for macros */
+ CI_GET_CHAR_INFO_1D (fs, ind, def, cs);
+ } else {
+ CI_GET_CHAR_INFO_2D (fs, r, c, def, cs);
+ }
+
+ if (cs) height += (cs->ascent + cs->descent);
+ }
+
+ return height;
+}
+
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