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dashley |
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/* $Header$ */ |
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/* |
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* tk3d.h -- |
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* |
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* Declarations of types and functions shared by the 3d border |
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* module. |
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* |
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* Copyright (c) 1996-1997 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: tk3d.h,v 1.1.1.1 2001/06/13 04:53:30 dtashley Exp $ |
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*/ |
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#ifndef _TK3D |
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#define _TK3D |
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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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/* |
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* One of the following data structures is allocated for each 3-D border |
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* currently in use. Structures of this type are indexed by |
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* borderTable, so that a single structure can be shared for several |
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* uses. |
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*/ |
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typedef struct TkBorder { |
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Screen *screen; /* Screen on which the border will be used. */ |
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Visual *visual; /* Visual for all windows and pixmaps using |
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* the border. */ |
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int depth; /* Number of bits per pixel of drawables where |
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* the border will be used. */ |
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Colormap colormap; /* Colormap out of which pixels are |
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* allocated. */ |
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int resourceRefCount; /* Number of active uses of this color (each |
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* active use corresponds to a call to |
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* Tk_Alloc3DBorderFromObj or Tk_Get3DBorder). |
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* If this count is 0, then this structure |
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* is no longer valid and it isn't present |
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* in borderTable: it is being kept around |
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* only because there are objects referring |
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* to it. The structure is freed when |
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* resourceRefCount and objRefCount are |
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* both 0. */ |
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int objRefCount; /* The number of Tcl objects that reference |
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* this structure. */ |
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XColor *bgColorPtr; /* Background color (intensity |
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* between lightColorPtr and |
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* darkColorPtr). */ |
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XColor *darkColorPtr; /* Color for darker areas (must free when |
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* deleting structure). NULL means shadows |
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* haven't been allocated yet.*/ |
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XColor *lightColorPtr; /* Color used for lighter areas of border |
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* (must free this when deleting structure). |
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* NULL means shadows haven't been allocated |
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* yet. */ |
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Pixmap shadow; /* Stipple pattern to use for drawing |
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* shadows areas. Used for displays with |
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* <= 64 colors or where colormap has filled |
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* up. */ |
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GC bgGC; /* Used (if necessary) to draw areas in |
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* the background color. */ |
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GC darkGC; /* Used to draw darker parts of the |
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* border. None means the shadow colors |
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* haven't been allocated yet.*/ |
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GC lightGC; /* Used to draw lighter parts of |
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* the border. None means the shadow colors |
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* haven't been allocated yet. */ |
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Tcl_HashEntry *hashPtr; /* Entry in borderTable (needed in |
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* order to delete structure). */ |
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struct TkBorder *nextPtr; /* Points to the next TkBorder structure with |
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* the same color name. Borders with the |
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* same name but different screens or |
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* colormaps are chained together off a |
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* single entry in borderTable. */ |
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} TkBorder; |
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/* |
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* Maximum intensity for a color: |
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*/ |
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#define MAX_INTENSITY 65535 |
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/* |
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* Declarations for platform specific interfaces used by this module. |
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*/ |
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extern TkBorder * TkpGetBorder _ANSI_ARGS_((void)); |
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extern void TkpGetShadows _ANSI_ARGS_((TkBorder *borderPtr, |
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Tk_Window tkwin)); |
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extern void TkpFreeBorder _ANSI_ARGS_((TkBorder *borderPtr)); |
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# undef TCL_STORAGE_CLASS |
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# define TCL_STORAGE_CLASS DLLIMPORT |
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#endif /* _TK3D */ |
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/* End of tk3d.h */ |