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-rw-r--r--libX11/src/TextExt.c468
1 files changed, 234 insertions, 234 deletions
diff --git a/libX11/src/TextExt.c b/libX11/src/TextExt.c
index b883b01b4..686814a77 100644
--- a/libX11/src/TextExt.c
+++ b/libX11/src/TextExt.c
@@ -1,234 +1,234 @@
-/*
-
-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;
-}
-
+/*
+
+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;
+}
+
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