/[dtapublic]/projs/ets/trunk/src/c_tk_base_7_5_w_mods/tkcolor.h
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revision 44 by dashley, Fri Oct 14 02:09:58 2016 UTC revision 71 by dashley, Sat Nov 5 11:07:06 2016 UTC
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 /* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkcolor.h,v 1.1.1.1 2001/06/13 04:58:33 dtashley Exp $ */  
   
 /*  
  * tkColor.h --  
  *  
  *      Declarations of data types and functions used by the  
  *      Tk color 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.  
  *  
  * RCS: @(#) $Id: tkcolor.h,v 1.1.1.1 2001/06/13 04:58:33 dtashley Exp $  
  */  
   
 #ifndef _TKCOLOR  
 #define _TKCOLOR  
   
 #include "tkInt.h"  
   
 #ifdef BUILD_tk  
 # undef TCL_STORAGE_CLASS  
 # define TCL_STORAGE_CLASS DLLEXPORT  
 #endif  
   
 /*  
  * One of the following data structures is used to keep track of  
  * each color that is being used by the application; typically there  
  * is a colormap entry allocated for each of these colors.  
  */  
   
 #define TK_COLOR_BY_NAME        1  
 #define TK_COLOR_BY_VALUE       2  
   
 #define COLOR_MAGIC ((unsigned int) 0x46140277)  
   
 typedef struct TkColor {  
     XColor color;               /* Information about this color. */  
     unsigned int magic;         /* Used for quick integrity check on this  
                                  * structure.   Must always have the  
                                  * value COLOR_MAGIC. */  
     GC gc;                      /* Simple gc with this color as foreground  
                                  * color and all other fields defaulted.  
                                  * May be None. */  
     Screen *screen;             /* Screen where this color is valid.  Used  
                                  * to delete it, and to find its display. */  
     Colormap colormap;          /* Colormap from which this entry was  
                                  * allocated. */  
     Visual *visual;             /* Visual associated with colormap. */  
     int resourceRefCount;       /* Number of active uses of this color (each  
                                  * active use corresponds to a call to  
                                  * Tk_AllocColorFromObj or Tk_GetColor).  
                                  * If this count is 0, then this TkColor  
                                  * structure is no longer valid and it isn't  
                                  * present in a hash table: it is being  
                                  * kept around only because there are objects  
                                  * referring to it.  The structure is freed  
                                  * when resourceRefCount and objRefCount  
                                  * are both 0. */  
     int objRefCount;            /* The number of Tcl objects that reference  
                                  * this structure. */  
     int type;                   /* TK_COLOR_BY_NAME or TK_COLOR_BY_VALUE */  
     Tcl_HashEntry *hashPtr;     /* Pointer to hash table entry for this  
                                  * structure. (for use in deleting entry). */  
     struct TkColor *nextPtr;    /* Points to the next TkColor structure with  
                                  * the same color name.  Colors with the  
                                  * same name but different screens or  
                                  * colormaps are chained together off a  
                                  * single entry in nameTable.  For colors in  
                                  * valueTable (those allocated by  
                                  * Tk_GetColorByValue) this field is always  
                                  * NULL. */  
 } TkColor;  
   
 /*  
  * Common APIs exported from all platform-specific implementations.  
  */  
   
 #ifndef TkpFreeColor  
 extern void             TkpFreeColor _ANSI_ARGS_((TkColor *tkColPtr));  
 #endif  
 extern TkColor *        TkpGetColor _ANSI_ARGS_((Tk_Window tkwin,  
                             Tk_Uid name));  
 extern TkColor *        TkpGetColorByValue _ANSI_ARGS_((Tk_Window tkwin,  
                             XColor *colorPtr));  
   
 # undef TCL_STORAGE_CLASS  
 # define TCL_STORAGE_CLASS DLLIMPORT  
   
 #endif /* _TKCOLOR */  
   
   
 /* $History: tkColor.h $  
  *  
  * *****************  Version 1  *****************  
  * User: Dtashley     Date: 1/02/01    Time: 2:40a  
  * Created in $/IjuScripter, IjuConsole/Source/Tk Base  
  * Initial check-in.  
  */  
   
 /* End of TKCOLOR.H */  
1    /* $Header$ */
2    
3    /*
4     * tkColor.h --
5     *
6     *      Declarations of data types and functions used by the
7     *      Tk color module.
8     *
9     * Copyright (c) 1996-1997 by Sun Microsystems, Inc.
10     *
11     * See the file "license.terms" for information on usage and redistribution
12     * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
13     *
14     * RCS: @(#) $Id: tkcolor.h,v 1.1.1.1 2001/06/13 04:58:33 dtashley Exp $
15     */
16    
17    #ifndef _TKCOLOR
18    #define _TKCOLOR
19    
20    #include "tkInt.h"
21    
22    #ifdef BUILD_tk
23    # undef TCL_STORAGE_CLASS
24    # define TCL_STORAGE_CLASS DLLEXPORT
25    #endif
26    
27    /*
28     * One of the following data structures is used to keep track of
29     * each color that is being used by the application; typically there
30     * is a colormap entry allocated for each of these colors.
31     */
32    
33    #define TK_COLOR_BY_NAME        1
34    #define TK_COLOR_BY_VALUE       2
35    
36    #define COLOR_MAGIC ((unsigned int) 0x46140277)
37    
38    typedef struct TkColor {
39        XColor color;               /* Information about this color. */
40        unsigned int magic;         /* Used for quick integrity check on this
41                                     * structure.   Must always have the
42                                     * value COLOR_MAGIC. */
43        GC gc;                      /* Simple gc with this color as foreground
44                                     * color and all other fields defaulted.
45                                     * May be None. */
46        Screen *screen;             /* Screen where this color is valid.  Used
47                                     * to delete it, and to find its display. */
48        Colormap colormap;          /* Colormap from which this entry was
49                                     * allocated. */
50        Visual *visual;             /* Visual associated with colormap. */
51        int resourceRefCount;       /* Number of active uses of this color (each
52                                     * active use corresponds to a call to
53                                     * Tk_AllocColorFromObj or Tk_GetColor).
54                                     * If this count is 0, then this TkColor
55                                     * structure is no longer valid and it isn't
56                                     * present in a hash table: it is being
57                                     * kept around only because there are objects
58                                     * referring to it.  The structure is freed
59                                     * when resourceRefCount and objRefCount
60                                     * are both 0. */
61        int objRefCount;            /* The number of Tcl objects that reference
62                                     * this structure. */
63        int type;                   /* TK_COLOR_BY_NAME or TK_COLOR_BY_VALUE */
64        Tcl_HashEntry *hashPtr;     /* Pointer to hash table entry for this
65                                     * structure. (for use in deleting entry). */
66        struct TkColor *nextPtr;    /* Points to the next TkColor structure with
67                                     * the same color name.  Colors with the
68                                     * same name but different screens or
69                                     * colormaps are chained together off a
70                                     * single entry in nameTable.  For colors in
71                                     * valueTable (those allocated by
72                                     * Tk_GetColorByValue) this field is always
73                                     * NULL. */
74    } TkColor;
75    
76    /*
77     * Common APIs exported from all platform-specific implementations.
78     */
79    
80    #ifndef TkpFreeColor
81    extern void             TkpFreeColor _ANSI_ARGS_((TkColor *tkColPtr));
82    #endif
83    extern TkColor *        TkpGetColor _ANSI_ARGS_((Tk_Window tkwin,
84                                Tk_Uid name));
85    extern TkColor *        TkpGetColorByValue _ANSI_ARGS_((Tk_Window tkwin,
86                                XColor *colorPtr));
87    
88    # undef TCL_STORAGE_CLASS
89    # define TCL_STORAGE_CLASS DLLIMPORT
90    
91    #endif /* _TKCOLOR */
92    
93    /* End of tkcolor.h */
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