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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>
+
+/*
+ * 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));
+
+#endif /* _TK3D */