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Annotation of researchv9/X11/src/X.V11R1/lib/X/XImText16.c, revision 1.1

1.1     ! root        1: #include "copyright.h"
        !             2: 
        !             3: /* $Header: XImText16.c,v 11.13 87/09/01 14:52:38 toddb Exp $ */
        !             4: /* Copyright    Massachusetts Institute of Technology    1986  */
        !             5: 
        !             6: #include "Xlibint.h"
        !             7: 
        !             8: XDrawImageString16(dpy, d, gc, x, y, string, length)
        !             9:     register Display *dpy;
        !            10:     Drawable d;
        !            11:     GC gc;
        !            12:     int x, y;
        !            13:     XChar2b *string;
        !            14:     int length;
        !            15: {   
        !            16:     register xImageText16Req *req;
        !            17:     XChar2b *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, Datalength;
        !            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:            XTextExtents16(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 (ImageText16, req);
        !            57:         req->length += ((Unit << 1) + 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:        Datalength = Unit << 1;
        !            65:         Data (dpy, (char *)CharacterOffset, (long)Datalength);
        !            66:         CharacterOffset += Unit;
        !            67:        length -= Unit;
        !            68:     }
        !            69:     UnlockDisplay(dpy);
        !            70:     SyncHandle();
        !            71: }
        !            72: 

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