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Annotation of researchv9/X11/src/X.V11R1/lib/X/XImText.c, revision 1.1.1.1

1.1       root        1: #include "copyright.h"
                      2: 
                      3: /* $Header: XImText.c,v 11.11 87/09/01 14:51:56 toddb Exp $ */
                      4: /* Copyright    Massachusetts Institute of Technology    1986  */
                      5: 
                      6: #include "Xlibint.h"
                      7: 
                      8: XDrawImageString(dpy, d, gc, x, y, string, length)
                      9:     register Display *dpy;
                     10:     Drawable d;
                     11:     GC gc;
                     12:     int x, y;
                     13:     char *string;
                     14:     int length;
                     15: {   
                     16:     register xImageText8Req *req;
                     17:     char *CharacterOffset = string;
                     18:     int FirstTimeThrough = True;
                     19:     int lastX = 0;
                     20: 
                     21:     LockDisplay(dpy);
                     22:     FlushGC(dpy, gc);
                     23: 
                     24:     while (length > 0) 
                     25:     {
                     26:        int Unit;
                     27: 
                     28:        if (length > 255) Unit = 255;
                     29:        else Unit = length;
                     30: 
                     31:        if (FirstTimeThrough)
                     32:        {
                     33:            FirstTimeThrough = False;
                     34:         }
                     35:        else
                     36:        {
                     37:            int direction, ascent, descent;
                     38:            XCharStruct overall;
                     39:            XFontStruct *FontStruct;
                     40:             
                     41:            UnlockDisplay(dpy);
                     42:        
                     43:            FontStruct = XQueryFont(dpy, gc->gid);
                     44: 
                     45:            XTextExtents(FontStruct, CharacterOffset - 255, 255,
                     46:                &direction, &ascent, &descent, &overall);
                     47: 
                     48:            Xfree(FontStruct);
                     49: 
                     50:            LockDisplay(dpy);
                     51: 
                     52:            x = lastX + overall.width;
                     53:        }
                     54: 
                     55: 
                     56:         GetReq (ImageText8, req);
                     57:         req->length += (Unit + 3) >> 2;
                     58:         req->nChars = Unit;
                     59:         req->drawable = d;
                     60:         req->gc = gc->gid;
                     61:         req->y = y;
                     62: 
                     63:        lastX = req->x = x;
                     64:         Data (dpy, CharacterOffset, (long)Unit);
                     65:         CharacterOffset += Unit;
                     66:        length -= Unit;
                     67:     }
                     68:     UnlockDisplay(dpy);
                     69:     SyncHandle();
                     70: }
                     71: 

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