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35 * no longer valid and it isn't present in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