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markom |
/*
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* tkColor.h --
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*
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* Declarations of data types and functions used by the
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* Tk color module.
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*
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* Copyright (c) 1996 by Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* RCS: @(#) $Id: tkColor.h,v 1.1.1.1 2002-01-16 10:25:51 markom Exp $
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*/
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#ifndef _TKCOLOR
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#define _TKCOLOR
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#include <tkInt.h>
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#ifdef BUILD_tk
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# undef TCL_STORAGE_CLASS
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# define TCL_STORAGE_CLASS DLLEXPORT
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#endif
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/* CYGNUS LOCAL. */
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typedef struct TkGCList TkGCList;
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/*
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* One of the following data structures is used to keep track of
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* each color that the color module has allocated from the X display
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* server.
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*/
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#define COLOR_MAGIC ((unsigned int) 0x46140277)
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typedef struct TkColor {
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XColor color; /* Information about this color. */
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unsigned int magic; /* Used for quick integrity check on this
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* structure. Must always have the
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* value COLOR_MAGIC. */
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GC gc; /* Simple gc with this color as foreground
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* color and all other fields defaulted.
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* May be None. */
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Screen *screen; /* Screen where this color is valid. Used
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* to delete it, and to find its display. */
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Colormap colormap; /* Colormap from which this entry was
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* allocated. */
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Visual *visual; /* Visual associated with colormap. */
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int refCount; /* Number of uses of this structure. */
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Tcl_HashTable *tablePtr; /* Hash table that indexes this structure
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* (needed when deleting structure). */
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Tcl_HashEntry *hashPtr; /* Pointer to hash table entry for this
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* structure. (for use in deleting entry). */
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/* CYGNUS LOCAL */
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TkGCList *gcList; /* List of GCs which use this color. */
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} TkColor;
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/*
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* Common APIs exported from all platform-specific implementations.
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*/
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#ifndef TkpFreeColor
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EXTERN void TkpFreeColor _ANSI_ARGS_((TkColor *tkColPtr));
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#endif
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EXTERN TkColor * TkpGetColor _ANSI_ARGS_((Tk_Window tkwin,
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Tk_Uid name));
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EXTERN TkColor * TkpGetColorByValue _ANSI_ARGS_((Tk_Window tkwin,
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XColor *colorPtr));
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/* CYGNUS LOCAL. */
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EXTERN void TkMapOverColors _ANSI_ARGS_((void (*) (TkColor *)));
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EXTERN void TkColorChanged _ANSI_ARGS_((TkColor *));
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# undef TCL_STORAGE_CLASS
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# define TCL_STORAGE_CLASS DLLIMPORT
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#endif /* _TKCOLOR */
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