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/*
* tk3d.h --
*
* Declarations of types and functions shared by the 3d border
* module.
*
* Copyright (c) 1996 by Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) tk3d.h 1.1 96/11/04 13:52:59
*/
#ifndef _TK3D
#define _TK3D
#include <tkInt.h>
#ifdef BUILD_tk
# undef EXPORT
# define EXPORT DLLEXPORT
#endif
/*
* One of the following data structures is allocated for
* each 3-D border currently in use. Structures of this
* type are indexed by borderTable, so that a single
* structure can be shared for several uses.
*/
typedef struct {
Screen *screen; /* Screen on which the border will be used. */
Visual *visual; /* Visual for all windows and pixmaps using
* the border. */
int depth; /* Number of bits per pixel of drawables where
* the border will be used. */
Colormap colormap; /* Colormap out of which pixels are
* allocated. */
int refCount; /* Number of different users of
* this border. */
XColor *bgColorPtr; /* Background color (intensity
* between lightColorPtr and
* darkColorPtr). */
XColor *darkColorPtr; /* Color for darker areas (must free when
* deleting structure). NULL means shadows
* haven't been allocated yet.*/
XColor *lightColorPtr; /* Color used for lighter areas of border
* (must free this when deleting structure).
* NULL means shadows haven't been allocated
* yet. */
Pixmap shadow; /* Stipple pattern to use for drawing
* shadows areas. Used for displays with
* <= 64 colors or where colormap has filled
* up. */
GC bgGC; /* Used (if necessary) to draw areas in
* the background color. */
GC darkGC; /* Used to draw darker parts of the
* border. None means the shadow colors
* haven't been allocated yet.*/
GC lightGC; /* Used to draw lighter parts of
* the border. None means the shadow colors
* haven't been allocated yet. */
Tcl_HashEntry *hashPtr; /* Entry in borderTable (needed in
* order to delete structure). */
} TkBorder;
/*
* Maximum intensity for a color:
*/
#define MAX_INTENSITY 65535
/*
* Declarations for platform specific interfaces used by this module.
*/
EXTERN TkBorder * TkpGetBorder _ANSI_ARGS_((void));
EXTERN void TkpGetShadows _ANSI_ARGS_((TkBorder *borderPtr,
Tk_Window tkwin));
EXTERN void TkpFreeBorder _ANSI_ARGS_((TkBorder *borderPtr));
#undef EXPORT
#define EXPORT DLLIMPORT
#endif /* _TK3D */
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