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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
1 /*
2 * tk3d.h --
3 *
4 * Declarations of types and functions shared by the 3d border module.
5 *
6 * Copyright (c) 1996-1997 by Sun Microsystems, Inc.
7 *
8 * See the file "license.terms" for information on usage and redistribution of
9 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
10 */
11
12 #ifndef _TK3D
13 #define _TK3D
14
15 #include "tkInt.h"
16
17 /*
18 * One of the following data structures is allocated for each 3-D border
19 * currently in use. Structures of this type are indexed by borderTable, so
20 * that a single structure can be shared for several uses.
21 */
22
23 typedef struct TkBorder {
24 Screen *screen; /* Screen on which the border will be used. */
25 Visual *visual; /* Visual for all windows and pixmaps using
26 * the border. */
27 int depth; /* Number of bits per pixel of drawables where
28 * the border will be used. */
29 Colormap colormap; /* Colormap out of which pixels are
30 * allocated. */
31 int resourceRefCount; /* Number of active uses of this color (each
32 * active use corresponds to a call to
33 * Tk_Alloc3DBorderFromObj or Tk_Get3DBorder).
34 * If this count is 0, then this structure is
35 * no longer valid and it isn't present in
36 * borderTable: it is being kept around only
37 * because there are objects referring to it.
38 * The structure is freed when objRefCount and
39 * resourceRefCount are both 0. */
40 int objRefCount; /* The number of Tcl objects that reference
41 * this structure. */
42 XColor *bgColorPtr; /* Background color (intensity between
43 * lightColorPtr and darkColorPtr). */
44 XColor *darkColorPtr; /* Color for darker areas (must free when
45 * deleting structure). NULL means shadows
46 * haven't been allocated yet.*/
47 XColor *lightColorPtr; /* Color used for lighter areas of border
48 * (must free this when deleting structure).
49 * NULL means shadows haven't been allocated
50 * yet. */
51 Pixmap shadow; /* Stipple pattern to use for drawing shadows
52 * areas. Used for displays with <= 64 colors
53 * or where colormap has filled up. */
54 GC bgGC; /* Used (if necessary) to draw areas in the
55 * background color. */
56 GC darkGC; /* Used to draw darker parts of the border.
57 * NULL means the shadow colors haven't been
58 * allocated yet.*/
59 GC lightGC; /* Used to draw lighter parts of the border.
60 * NULL means the shadow colors haven't been
61 * allocated yet. */
62 Tcl_HashEntry *hashPtr; /* Entry in borderTable (needed in order to
63 * delete structure). */
64 struct TkBorder *nextPtr; /* Points to the next TkBorder structure with
65 * the same color name. Borders with the same
66 * name but different screens or colormaps are
67 * chained together off a single entry in
68 * borderTable. */
69 } TkBorder;
70
71 /*
72 * Maximum intensity for a color:
73 */
74
75 #define MAX_INTENSITY 65535
76
77 /*
78 * Declarations for platform specific interfaces used by this module.
79 */
80
81 MODULE_SCOPE TkBorder *TkpGetBorder(void);
82 MODULE_SCOPE void TkpGetShadows(TkBorder *borderPtr, Tk_Window tkwin);
83 MODULE_SCOPE void TkpFreeBorder(TkBorder *borderPtr);
84
85 #endif /* _TK3D */