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      1 /*
      2 
      3 Copyright 1991, 1998  The Open Group
      4 
      5 Permission to use, copy, modify, distribute, and sell this software and its
      6 documentation for any purpose is hereby granted without fee, provided that
      7 the above copyright notice appear in all copies and that both that
      8 copyright notice and this permission notice appear in supporting
      9 documentation.
     10 
     11 The above copyright notice and this permission notice shall be included
     12 in all copies or substantial portions of the Software.
     13 
     14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     17 IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 OTHER DEALINGS IN THE SOFTWARE.
     21 
     22 Except as contained in this notice, the name of The Open Group shall
     23 not be used in advertising or otherwise to promote the sale, use or
     24 other dealings in this Software without prior written authorization
     25 from The Open Group.
     26 
     27 */
     28 
     29 /*
     30  * Copyright 1991 by the Open Software Foundation
     31  *
     32  * Permission to use, copy, modify, distribute, and sell this software and its
     33  * documentation for any purpose is hereby granted without fee, provided that
     34  * the above copyright notice appear in all copies and that both that
     35  * copyright notice and this permission notice appear in supporting
     36  * documentation, and that the name of Open Software Foundation
     37  * not be used in advertising or publicity pertaining to distribution of the
     38  * software without specific, written prior permission.  Open Software
     39  * Foundation makes no representations about the suitability of this
     40  * software for any purpose.  It is provided "as is" without express or
     41  * implied warranty.
     42  *
     43  * OPEN SOFTWARE FOUNDATION DISCLAIMS ALL WARRANTIES WITH REGARD TO
     44  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
     45  * FITNESS, IN NO EVENT SHALL OPEN SOFTWARE FOUNDATIONN BE
     46  * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     47  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     48  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     49  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     50  *
     51  *		 M. Collins		OSF
     52  */
     53 
     54 #ifdef HAVE_CONFIG_H
     55 #include <config.h>
     56 #endif
     57 #include "Xlibint.h"
     58 #include "Xlcint.h"
     59 
     60 void
     61 XwcDrawText(
     62     Display            *dpy,
     63     Drawable            d,
     64     GC                  gc,
     65     int                 x,
     66     int                 y,
     67     XwcTextItem        *text_items,
     68     int                 nitems)
     69 {
     70     register XFontSet fs = NULL;
     71     register XwcTextItem *p = text_items;
     72     register int i = nitems;
     73     register int esc;
     74 
     75     /* ignore leading items with no fontset */
     76     while (i && !p->font_set) {
     77 	i--;
     78 	p++;
     79     }
     80 
     81     for (; --i >= 0; p++) {
     82 	if (p->font_set)
     83 	    fs = p->font_set;
     84 	x += p->delta;
     85 	esc = (*fs->methods->wc_draw_string) (dpy, d, fs, gc, x, y,
     86 					      p->chars, p->nchars);
     87 	if (!esc)
     88 	    esc = fs->methods->wc_escapement (fs, p->chars, p->nchars);
     89 	x += esc;
     90     }
     91 }
     92 
     93 void
     94 XwcDrawString(
     95     Display            *dpy,
     96     Drawable            d,
     97     XFontSet            font_set,
     98     GC                  gc,
     99     int                 x,
    100     int                 y,
    101     _Xconst wchar_t    *text,
    102     int                 text_len)
    103 {
    104     (void)(*font_set->methods->wc_draw_string) (dpy, d, font_set, gc, x, y,
    105 						text, text_len);
    106 }
    107 
    108 void
    109 XwcDrawImageString(
    110     Display            *dpy,
    111     Drawable            d,
    112     XFontSet            font_set,
    113     GC                  gc,
    114     int                 x,
    115     int                 y,
    116     _Xconst wchar_t    *text,
    117     int                 text_len)
    118 {
    119     (*font_set->methods->wc_draw_image_string) (dpy, d, font_set, gc, x, y,
    120 						text, text_len);
    121 }
    122 
    123 int
    124 XwcTextEscapement(
    125     XFontSet            font_set,
    126     _Xconst wchar_t    *text,
    127     int                 text_len)
    128 {
    129     return (*font_set->methods->wc_escapement) (font_set, text, text_len);
    130 }
    131 
    132 int
    133 XwcTextExtents(
    134     XFontSet            font_set,
    135     _Xconst wchar_t    *text,
    136     int                 text_len,
    137     XRectangle         *overall_ink_extents,
    138     XRectangle         *overall_logical_extents)
    139 {
    140     return (*font_set->methods->wc_extents) (font_set, text, text_len,
    141 					     overall_ink_extents,
    142 					     overall_logical_extents);
    143 }
    144 
    145 Status
    146 XwcTextPerCharExtents(
    147     XFontSet            font_set,
    148     _Xconst wchar_t    *text,
    149     int                 text_len,
    150     XRectangle         *ink_extents_buffer,
    151     XRectangle         *logical_extents_buffer,
    152     int                 buffer_size,
    153     int                *num_chars,
    154     XRectangle         *max_ink_extents,
    155     XRectangle         *max_logical_extents)
    156 {
    157     return (*font_set->methods->wc_extents_per_char)
    158 	      (font_set, text, text_len,
    159 	       ink_extents_buffer, logical_extents_buffer,
    160 	       buffer_size, num_chars, max_ink_extents, max_logical_extents);
    161 }
    162