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NAME

       XkbAddGeomShape - Add a shape to a keyboard geometry

SYNOPSIS

       XkbShapePtr   XkbAddGeomShape  (XkbGeometryPtr  geom,  Atom  name,  int
              sz_outlines);

ARGUMENTS

       - geom geometry to be updated

       - name name of the new shape

       - sz_outlines
              number of outlines to be reserved

DESCRIPTION

       Xkb provides functions to add a single new  element  to  the  top-level
       keyboard  geometry. In each case the num_ * fields of the corresponding
       structure is incremented by 1.  These  functions  do  not  change  sz_*
       unless there is no more room in the array. Some of these functions fill
       in the values of the element's structure from the arguments. For  other
       functions,  you  must  explicitly  write  code  to fill the structure's
       elements.

       The  top-level  geometry  description  includes  a  list  of   geometry
       properties.  A geometry property associates an arbitrary string with an
       equally arbitrary name. Programs that display images of  keyboards  can
       use  geometry properties as hints, but they are not interpreted by Xkb.
       No other geometry structures refer to geometry properties.

       A geometry contains an arbitrary number of shapes,  each  of  which  is
       made  up  of  an  arbitrary number of outlines.  XkbAddGeomShape adds a
       shape to a geometry geom by allocating space for  sz_outlines  outlines
       for  it and giving it the name specified by name.  If a shape with name
       name already exists in the geometry, a pointer to the existing shape is
       returned.   XkbAddGeomShape  returns  NULL  if any of the parameters is
       empty or if it was not able to allocate space. To allocate space for an
       arbitrary number of geometry shapes, use XkbAllocGeomShapes.

STRUCTURES

           typedef struct _XkbShape {
               Atom              name;           /∗ shape's name */
               unsigned short    num_outlines;   /∗ number of outlines for the shape */
               unsigned short    sz_outlines;    /∗ size of the outlines array */
               XkbOutlinePtr     outlines;       /∗ array of outlines for the shape */
               XkbOutlinePtr     approx;         /∗ pointer into the array to the approximating outline */
               XkbOutlinePtr     primary;        /∗ pointer into the array to the primary outline */
               XkbBoundsRec      bounds;         /∗ bounding box for the shape; encompasses all outlines */
           } XkbShapeRec, *XkbShapePtr;

SEE ALSO

       XkbAllocGeomShapes(3)



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