--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/tk3d.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,85 @@
+/*
+ * tk3d.h --
+ *
+ *	Declarations of types and functions shared by the 3d border module.
+ *
+ * Copyright (c) 1996-1997 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.
+ */
+
+#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 TkBorder {
+    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 resourceRefCount;	/* Number of active uses of this color (each
+				 * active use corresponds to a call to
+				 * Tk_Alloc3DBorderFromObj or Tk_Get3DBorder).
+				 * If this count is 0, then this structure is
+				 * no longer valid and it isn't present in
+				 * borderTable: it is being kept around only
+				 * because there are objects referring to it.
+				 * The structure is freed when objRefCount and
+				 * resourceRefCount are both 0. */
+    int objRefCount;		/* The number of Tcl objects that reference
+				 * this structure. */
+    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.
+				 * NULL means the shadow colors haven't been
+				 * allocated yet.*/
+    GC lightGC;			/* Used to draw lighter parts of the border.
+				 * NULL means the shadow colors haven't been
+				 * allocated yet. */
+    Tcl_HashEntry *hashPtr;	/* Entry in borderTable (needed in order to
+				 * delete structure). */
+    struct TkBorder *nextPtr;	/* Points to the next TkBorder structure with
+				 * the same color name. Borders with the same
+				 * name but different screens or colormaps are
+				 * chained together off a single entry in
+				 * borderTable. */
+} TkBorder;
+
+/*
+ * Maximum intensity for a color:
+ */
+
+#define MAX_INTENSITY 65535
+
+/*
+ * Declarations for platform specific interfaces used by this module.
+ */
+
+MODULE_SCOPE TkBorder	*TkpGetBorder(void);
+MODULE_SCOPE void	TkpGetShadows(TkBorder *borderPtr, Tk_Window tkwin);
+MODULE_SCOPE void	TkpFreeBorder(TkBorder *borderPtr);
+
+#endif /* _TK3D */