/[dtapublic]/projs/ets/trunk/src/c_tk_base_7_5_w_mods/tkcanvas.h
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revision 69 by dashley, Sat Nov 5 10:54:17 2016 UTC revision 71 by dashley, Sat Nov 5 11:07:06 2016 UTC
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1  /* $Header$ */  /* $Header$ */
2    
3  /*  /*
4   * tkCanvas.h --   * tkCanvas.h --
5   *   *
6   *      Declarations shared among all the files that implement   *      Declarations shared among all the files that implement
7   *      canvas widgets.   *      canvas widgets.
8   *   *
9   * Copyright (c) 1991-1994 The Regents of the University of California.   * Copyright (c) 1991-1994 The Regents of the University of California.
10   * Copyright (c) 1994-1995 Sun Microsystems, Inc.   * Copyright (c) 1994-1995 Sun Microsystems, Inc.
11   * Copyright (c) 1998 by Scriptics Corporation.   * Copyright (c) 1998 by Scriptics Corporation.
12   *   *
13   * See the file "license.terms" for information on usage and redistribution   * See the file "license.terms" for information on usage and redistribution
14   * of this file, and for a DISCLAIMER OF ALL WARRANTIES.   * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
15   *   *
16   * RCS: @(#) $Id: tkcanvas.h,v 1.1.1.1 2001/06/13 04:56:06 dtashley Exp $   * RCS: @(#) $Id: tkcanvas.h,v 1.1.1.1 2001/06/13 04:56:06 dtashley Exp $
17   */   */
18    
19  #ifndef _TKCANVAS  #ifndef _TKCANVAS
20  #define _TKCANVAS  #define _TKCANVAS
21    
22  #ifndef _TK  #ifndef _TK
23  #include "tk.h"  #include "tk.h"
24  #endif  #endif
25    
26  #ifndef USE_OLD_TAG_SEARCH  #ifndef USE_OLD_TAG_SEARCH
27  typedef struct TagSearchExpr_s TagSearchExpr;  typedef struct TagSearchExpr_s TagSearchExpr;
28    
29  struct TagSearchExpr_s {  struct TagSearchExpr_s {
30      TagSearchExpr *next;        /* for linked lists of expressions - used in bindings */      TagSearchExpr *next;        /* for linked lists of expressions - used in bindings */
31      Tk_Uid uid;                 /* the uid of the whole expression */      Tk_Uid uid;                 /* the uid of the whole expression */
32      Tk_Uid *uids;               /* expresion compiled to an array of uids */      Tk_Uid *uids;               /* expresion compiled to an array of uids */
33      int allocated;              /* available space for array of uids */      int allocated;              /* available space for array of uids */
34      int length;                 /* length of expression */      int length;                 /* length of expression */
35      int index;                  /* current position in expression evaluation */      int index;                  /* current position in expression evaluation */
36      int match;                  /* this expression matches event's item's tags*/      int match;                  /* this expression matches event's item's tags*/
37  };  };
38  #endif /* not USE_OLD_TAG_SEARCH */  #endif /* not USE_OLD_TAG_SEARCH */
39    
40  /*  /*
41   * The record below describes a canvas widget.  It is made available   * The record below describes a canvas widget.  It is made available
42   * to the item procedures so they can access certain shared fields such   * to the item procedures so they can access certain shared fields such
43   * as the overall displacement and scale factor for the canvas.   * as the overall displacement and scale factor for the canvas.
44   */   */
45    
46  typedef struct TkCanvas {  typedef struct TkCanvas {
47      Tk_Window tkwin;            /* Window that embodies the canvas.  NULL      Tk_Window tkwin;            /* Window that embodies the canvas.  NULL
48                                   * means that the window has been destroyed                                   * means that the window has been destroyed
49                                   * but the data structures haven't yet been                                   * but the data structures haven't yet been
50                                   * cleaned up.*/                                   * cleaned up.*/
51      Display *display;           /* Display containing widget;  needed, among      Display *display;           /* Display containing widget;  needed, among
52                                   * other things, to release resources after                                   * other things, to release resources after
53                                   * tkwin has already gone away. */                                   * tkwin has already gone away. */
54      Tcl_Interp *interp;         /* Interpreter associated with canvas. */      Tcl_Interp *interp;         /* Interpreter associated with canvas. */
55      Tcl_Command widgetCmd;      /* Token for canvas's widget command. */      Tcl_Command widgetCmd;      /* Token for canvas's widget command. */
56      Tk_Item *firstItemPtr;      /* First in list of all items in canvas,      Tk_Item *firstItemPtr;      /* First in list of all items in canvas,
57                                   * or NULL if canvas empty. */                                   * or NULL if canvas empty. */
58      Tk_Item *lastItemPtr;       /* Last in list of all items in canvas,      Tk_Item *lastItemPtr;       /* Last in list of all items in canvas,
59                                   * or NULL if canvas empty. */                                   * or NULL if canvas empty. */
60    
61      /*      /*
62       * Information used when displaying widget:       * Information used when displaying widget:
63       */       */
64    
65      int borderWidth;            /* Width of 3-D border around window. */      int borderWidth;            /* Width of 3-D border around window. */
66      Tk_3DBorder bgBorder;       /* Used for canvas background. */      Tk_3DBorder bgBorder;       /* Used for canvas background. */
67      int relief;                 /* Indicates whether window as a whole is      int relief;                 /* Indicates whether window as a whole is
68                                   * raised, sunken, or flat. */                                   * raised, sunken, or flat. */
69      int highlightWidth;         /* Width in pixels of highlight to draw      int highlightWidth;         /* Width in pixels of highlight to draw
70                                   * around widget when it has the focus.                                   * around widget when it has the focus.
71                                   * <= 0 means don't draw a highlight. */                                   * <= 0 means don't draw a highlight. */
72      XColor *highlightBgColorPtr;      XColor *highlightBgColorPtr;
73                                  /* Color for drawing traversal highlight                                  /* Color for drawing traversal highlight
74                                   * area when highlight is off. */                                   * area when highlight is off. */
75      XColor *highlightColorPtr;  /* Color for drawing traversal highlight. */      XColor *highlightColorPtr;  /* Color for drawing traversal highlight. */
76      int inset;                  /* Total width of all borders, including      int inset;                  /* Total width of all borders, including
77                                   * traversal highlight and 3-D border.                                   * traversal highlight and 3-D border.
78                                   * Indicates how much interior stuff must                                   * Indicates how much interior stuff must
79                                   * be offset from outside edges to leave                                   * be offset from outside edges to leave
80                                   * room for borders. */                                   * room for borders. */
81      GC pixmapGC;                /* Used to copy bits from a pixmap to the      GC pixmapGC;                /* Used to copy bits from a pixmap to the
82                                   * screen and also to clear the pixmap. */                                   * screen and also to clear the pixmap. */
83      int width, height;          /* Dimensions to request for canvas window,      int width, height;          /* Dimensions to request for canvas window,
84                                   * specified in pixels. */                                   * specified in pixels. */
85      int redrawX1, redrawY1;     /* Upper left corner of area to redraw,      int redrawX1, redrawY1;     /* Upper left corner of area to redraw,
86                                   * in pixel coordinates.  Border pixels                                   * in pixel coordinates.  Border pixels
87                                   * are included.  Only valid if                                   * are included.  Only valid if
88                                   * REDRAW_PENDING flag is set. */                                   * REDRAW_PENDING flag is set. */
89      int redrawX2, redrawY2;     /* Lower right corner of area to redraw,      int redrawX2, redrawY2;     /* Lower right corner of area to redraw,
90                                   * in integer canvas coordinates.  Border                                   * in integer canvas coordinates.  Border
91                                   * pixels will *not* be redrawn. */                                   * pixels will *not* be redrawn. */
92      int confine;                /* Non-zero means constrain view to keep      int confine;                /* Non-zero means constrain view to keep
93                                   * as much of canvas visible as possible. */                                   * as much of canvas visible as possible. */
94    
95      /*      /*
96       * Information used to manage the selection and insertion cursor:       * Information used to manage the selection and insertion cursor:
97       */       */
98    
99      Tk_CanvasTextInfo textInfo; /* Contains lots of fields;  see tk.h for      Tk_CanvasTextInfo textInfo; /* Contains lots of fields;  see tk.h for
100                                   * details.  This structure is shared with                                   * details.  This structure is shared with
101                                   * the code that implements individual items. */                                   * the code that implements individual items. */
102      int insertOnTime;           /* Number of milliseconds cursor should spend      int insertOnTime;           /* Number of milliseconds cursor should spend
103                                   * in "on" state for each blink. */                                   * in "on" state for each blink. */
104      int insertOffTime;          /* Number of milliseconds cursor should spend      int insertOffTime;          /* Number of milliseconds cursor should spend
105                                   * in "off" state for each blink. */                                   * in "off" state for each blink. */
106      Tcl_TimerToken insertBlinkHandler;      Tcl_TimerToken insertBlinkHandler;
107                                  /* Timer handler used to blink cursor on and                                  /* Timer handler used to blink cursor on and
108                                   * off. */                                   * off. */
109    
110      /*      /*
111       * Transformation applied to canvas as a whole:  to compute screen       * Transformation applied to canvas as a whole:  to compute screen
112       * coordinates (X,Y) from canvas coordinates (x,y), do the following:       * coordinates (X,Y) from canvas coordinates (x,y), do the following:
113       *       *
114       * X = x - xOrigin;       * X = x - xOrigin;
115       * Y = y - yOrigin;       * Y = y - yOrigin;
116       */       */
117    
118      int xOrigin, yOrigin;       /* Canvas coordinates corresponding to      int xOrigin, yOrigin;       /* Canvas coordinates corresponding to
119                                   * upper-left corner of window, given in                                   * upper-left corner of window, given in
120                                   * canvas pixel units. */                                   * canvas pixel units. */
121      int drawableXOrigin, drawableYOrigin;      int drawableXOrigin, drawableYOrigin;
122                                  /* During redisplay, these fields give the                                  /* During redisplay, these fields give the
123                                   * canvas coordinates corresponding to                                   * canvas coordinates corresponding to
124                                   * the upper-left corner of the drawable                                   * the upper-left corner of the drawable
125                                   * where items are actually being drawn                                   * where items are actually being drawn
126                                   * (typically a pixmap smaller than the                                   * (typically a pixmap smaller than the
127                                   * whole window). */                                   * whole window). */
128    
129      /*      /*
130       * Information used for event bindings associated with items.       * Information used for event bindings associated with items.
131       */       */
132    
133      Tk_BindingTable bindingTable;      Tk_BindingTable bindingTable;
134                                  /* Table of all bindings currently defined                                  /* Table of all bindings currently defined
135                                   * for this canvas.  NULL means that no                                   * for this canvas.  NULL means that no
136                                   * bindings exist, so the table hasn't been                                   * bindings exist, so the table hasn't been
137                                   * created.  Each "object" used for this                                   * created.  Each "object" used for this
138                                   * table is either a Tk_Uid for a tag or                                   * table is either a Tk_Uid for a tag or
139                                   * the address of an item named by id. */                                   * the address of an item named by id. */
140      Tk_Item *currentItemPtr;    /* The item currently containing the mouse      Tk_Item *currentItemPtr;    /* The item currently containing the mouse
141                                   * pointer, or NULL if none. */                                   * pointer, or NULL if none. */
142      Tk_Item *newCurrentPtr;     /* The item that is about to become the      Tk_Item *newCurrentPtr;     /* The item that is about to become the
143                                   * current one, or NULL.  This field is                                   * current one, or NULL.  This field is
144                                   * used to detect deletions  of the new                                   * used to detect deletions  of the new
145                                   * current item pointer that occur during                                   * current item pointer that occur during
146                                   * Leave processing of the previous current                                   * Leave processing of the previous current
147                                   * item.  */                                   * item.  */
148      double closeEnough;         /* The mouse is assumed to be inside an      double closeEnough;         /* The mouse is assumed to be inside an
149                                   * item if it is this close to it. */                                   * item if it is this close to it. */
150      XEvent pickEvent;           /* The event upon which the current choice      XEvent pickEvent;           /* The event upon which the current choice
151                                   * of currentItem is based.  Must be saved                                   * of currentItem is based.  Must be saved
152                                   * so that if the currentItem is deleted,                                   * so that if the currentItem is deleted,
153                                   * can pick another. */                                   * can pick another. */
154      int state;                  /* Last known modifier state.  Used to      int state;                  /* Last known modifier state.  Used to
155                                   * defer picking a new current object                                   * defer picking a new current object
156                                   * while buttons are down. */                                   * while buttons are down. */
157    
158      /*      /*
159       * Information used for managing scrollbars:       * Information used for managing scrollbars:
160       */       */
161    
162      char *xScrollCmd;           /* Command prefix for communicating with      char *xScrollCmd;           /* Command prefix for communicating with
163                                   * horizontal scrollbar.  NULL means no                                   * horizontal scrollbar.  NULL means no
164                                   * horizontal scrollbar.  Malloc'ed*/                                   * horizontal scrollbar.  Malloc'ed*/
165      char *yScrollCmd;           /* Command prefix for communicating with      char *yScrollCmd;           /* Command prefix for communicating with
166                                   * vertical scrollbar.  NULL means no                                   * vertical scrollbar.  NULL means no
167                                   * vertical scrollbar.  Malloc'ed*/                                   * vertical scrollbar.  Malloc'ed*/
168      int scrollX1, scrollY1, scrollX2, scrollY2;      int scrollX1, scrollY1, scrollX2, scrollY2;
169                                  /* These four coordinates define the region                                  /* These four coordinates define the region
170                                   * that is the 100% area for scrolling (i.e.                                   * that is the 100% area for scrolling (i.e.
171                                   * these numbers determine the size and                                   * these numbers determine the size and
172                                   * location of the sliders on scrollbars).                                   * location of the sliders on scrollbars).
173                                   * Units are pixels in canvas coords. */                                   * Units are pixels in canvas coords. */
174      char *regionString;         /* The option string from which scrollX1      char *regionString;         /* The option string from which scrollX1
175                                   * etc. are derived.  Malloc'ed. */                                   * etc. are derived.  Malloc'ed. */
176      int xScrollIncrement;       /* If >0, defines a grid for horizontal      int xScrollIncrement;       /* If >0, defines a grid for horizontal
177                                   * scrolling.  This is the size of the "unit",                                   * scrolling.  This is the size of the "unit",
178                                   * and the left edge of the screen will always                                   * and the left edge of the screen will always
179                                   * lie on an even unit boundary. */                                   * lie on an even unit boundary. */
180      int yScrollIncrement;       /* If >0, defines a grid for horizontal      int yScrollIncrement;       /* If >0, defines a grid for horizontal
181                                   * scrolling.  This is the size of the "unit",                                   * scrolling.  This is the size of the "unit",
182                                   * and the left edge of the screen will always                                   * and the left edge of the screen will always
183                                   * lie on an even unit boundary. */                                   * lie on an even unit boundary. */
184    
185      /*      /*
186       * Information used for scanning:       * Information used for scanning:
187       */       */
188    
189      int scanX;                  /* X-position at which scan started (e.g.      int scanX;                  /* X-position at which scan started (e.g.
190                                   * button was pressed here). */                                   * button was pressed here). */
191      int scanXOrigin;            /* Value of xOrigin field when scan started. */      int scanXOrigin;            /* Value of xOrigin field when scan started. */
192      int scanY;                  /* Y-position at which scan started (e.g.      int scanY;                  /* Y-position at which scan started (e.g.
193                                   * button was pressed here). */                                   * button was pressed here). */
194      int scanYOrigin;            /* Value of yOrigin field when scan started. */      int scanYOrigin;            /* Value of yOrigin field when scan started. */
195    
196      /*      /*
197       * Information used to speed up searches by remembering the last item       * Information used to speed up searches by remembering the last item
198       * created or found with an item id search.       * created or found with an item id search.
199       */       */
200    
201      Tk_Item *hotPtr;            /* Pointer to "hot" item (one that's been      Tk_Item *hotPtr;            /* Pointer to "hot" item (one that's been
202                                   * recently used.  NULL means there's no                                   * recently used.  NULL means there's no
203                                   * hot item. */                                   * hot item. */
204      Tk_Item *hotPrevPtr;        /* Pointer to predecessor to hotPtr (NULL      Tk_Item *hotPrevPtr;        /* Pointer to predecessor to hotPtr (NULL
205                                   * means item is first in list).  This is                                   * means item is first in list).  This is
206                                   * only a hint and may not really be hotPtr's                                   * only a hint and may not really be hotPtr's
207                                   * predecessor. */                                   * predecessor. */
208    
209      /*      /*
210       * Miscellaneous information:       * Miscellaneous information:
211       */       */
212    
213      Tk_Cursor cursor;           /* Current cursor for window, or None. */      Tk_Cursor cursor;           /* Current cursor for window, or None. */
214      char *takeFocus;            /* Value of -takefocus option;  not used in      char *takeFocus;            /* Value of -takefocus option;  not used in
215                                   * the C code, but used by keyboard traversal                                   * the C code, but used by keyboard traversal
216                                   * scripts.  Malloc'ed, but may be NULL. */                                   * scripts.  Malloc'ed, but may be NULL. */
217      double pixelsPerMM;         /* Scale factor between MM and pixels;      double pixelsPerMM;         /* Scale factor between MM and pixels;
218                                   * used when converting coordinates. */                                   * used when converting coordinates. */
219      int flags;                  /* Various flags;  see below for      int flags;                  /* Various flags;  see below for
220                                   * definitions. */                                   * definitions. */
221      int nextId;                 /* Number to use as id for next item      int nextId;                 /* Number to use as id for next item
222                                   * created in widget. */                                   * created in widget. */
223      Tk_PostscriptInfo psInfo;      Tk_PostscriptInfo psInfo;
224                                  /* Pointer to information used for generating                                  /* Pointer to information used for generating
225                                   * Postscript for the canvas.  NULL means                                   * Postscript for the canvas.  NULL means
226                                   * no Postscript is currently being                                   * no Postscript is currently being
227                                   * generated. */                                   * generated. */
228      Tcl_HashTable idTable;      /* Table of integer indices. */      Tcl_HashTable idTable;      /* Table of integer indices. */
229      /*      /*
230       * Additional information, added by the 'dash'-patch       * Additional information, added by the 'dash'-patch
231       */       */
232      VOID *reserved1;      VOID *reserved1;
233      Tk_State canvas_state;      /* state of canvas */      Tk_State canvas_state;      /* state of canvas */
234      VOID *reserved2;      VOID *reserved2;
235      VOID *reserved3;      VOID *reserved3;
236      Tk_TSOffset tsoffset;      Tk_TSOffset tsoffset;
237  #ifndef USE_OLD_TAG_SEARCH  #ifndef USE_OLD_TAG_SEARCH
238      TagSearchExpr *bindTagExprs; /* linked list of tag expressions used in bindings */      TagSearchExpr *bindTagExprs; /* linked list of tag expressions used in bindings */
239  #endif  #endif
240  } TkCanvas;  } TkCanvas;
241    
242  /*  /*
243   * Flag bits for canvases:   * Flag bits for canvases:
244   *   *
245   * REDRAW_PENDING -             1 means a DoWhenIdle handler has already   * REDRAW_PENDING -             1 means a DoWhenIdle handler has already
246   *                              been created to redraw some or all of the   *                              been created to redraw some or all of the
247   *                              canvas.   *                              canvas.
248   * REDRAW_BORDERS -             1 means that the borders need to be redrawn   * REDRAW_BORDERS -             1 means that the borders need to be redrawn
249   *                              during the next redisplay operation.   *                              during the next redisplay operation.
250   * REPICK_NEEDED -              1 means DisplayCanvas should pick a new   * REPICK_NEEDED -              1 means DisplayCanvas should pick a new
251   *                              current item before redrawing the canvas.   *                              current item before redrawing the canvas.
252   * GOT_FOCUS -                  1 means the focus is currently in this   * GOT_FOCUS -                  1 means the focus is currently in this
253   *                              widget, so should draw the insertion cursor   *                              widget, so should draw the insertion cursor
254   *                              and traversal highlight.   *                              and traversal highlight.
255   * CURSOR_ON -                  1 means the insertion cursor is in the "on"   * CURSOR_ON -                  1 means the insertion cursor is in the "on"
256   *                              phase of its blink cycle.  0 means either   *                              phase of its blink cycle.  0 means either
257   *                              we don't have the focus or the cursor is in   *                              we don't have the focus or the cursor is in
258   *                              the "off" phase of its cycle.   *                              the "off" phase of its cycle.
259   * UPDATE_SCROLLBARS -          1 means the scrollbars should get updated   * UPDATE_SCROLLBARS -          1 means the scrollbars should get updated
260   *                              as part of the next display operation.   *                              as part of the next display operation.
261   * LEFT_GRABBED_ITEM -          1 means that the mouse left the current   * LEFT_GRABBED_ITEM -          1 means that the mouse left the current
262   *                              item while a grab was in effect, so we   *                              item while a grab was in effect, so we
263   *                              didn't change canvasPtr->currentItemPtr.   *                              didn't change canvasPtr->currentItemPtr.
264   * REPICK_IN_PROGRESS -         1 means PickCurrentItem is currently   * REPICK_IN_PROGRESS -         1 means PickCurrentItem is currently
265   *                              executing.  If it should be called recursively,   *                              executing.  If it should be called recursively,
266   *                              it should simply return immediately.   *                              it should simply return immediately.
267   * BBOX_NOT_EMPTY -             1 means that the bounding box of the area   * BBOX_NOT_EMPTY -             1 means that the bounding box of the area
268   *                              that should be redrawn is not empty.   *                              that should be redrawn is not empty.
269   */   */
270    
271  #define REDRAW_PENDING          1  #define REDRAW_PENDING          1
272  #define REDRAW_BORDERS          2  #define REDRAW_BORDERS          2
273  #define REPICK_NEEDED           4  #define REPICK_NEEDED           4
274  #define GOT_FOCUS               8  #define GOT_FOCUS               8
275  #define CURSOR_ON               0x10  #define CURSOR_ON               0x10
276  #define UPDATE_SCROLLBARS       0x20  #define UPDATE_SCROLLBARS       0x20
277  #define LEFT_GRABBED_ITEM       0x40  #define LEFT_GRABBED_ITEM       0x40
278  #define REPICK_IN_PROGRESS      0x100  #define REPICK_IN_PROGRESS      0x100
279  #define BBOX_NOT_EMPTY          0x200  #define BBOX_NOT_EMPTY          0x200
280    
281  /*  /*
282   * Flag bits for canvas items (redraw_flags):   * Flag bits for canvas items (redraw_flags):
283   *   *
284   * FORCE_REDRAW -               1 means that the new coordinates of some   * FORCE_REDRAW -               1 means that the new coordinates of some
285   *                              item are not yet registered using   *                              item are not yet registered using
286   *                              Tk_CanvasEventuallyRedraw(). It should still   *                              Tk_CanvasEventuallyRedraw(). It should still
287   *                              be done by the general canvas code.   *                              be done by the general canvas code.
288   */   */
289    
290  #define FORCE_REDRAW            8  #define FORCE_REDRAW            8
291    
292  /*  /*
293   * Canvas-related procedures that are shared among Tk modules but not   * Canvas-related procedures that are shared among Tk modules but not
294   * exported to the outside world:   * exported to the outside world:
295   */   */
296    
297  extern int              TkCanvPostscriptCmd _ANSI_ARGS_((TkCanvas *canvasPtr,  extern int              TkCanvPostscriptCmd _ANSI_ARGS_((TkCanvas *canvasPtr,
298                              Tcl_Interp *interp, int argc, char **argv));                              Tcl_Interp *interp, int argc, char **argv));
299    
300  /*  /*
301   * The following definition is shared between tkCanvPs.c and tkCanvImg.c,   * The following definition is shared between tkCanvPs.c and tkCanvImg.c,
302   * and is used in generating postscript for images and windows.   * and is used in generating postscript for images and windows.
303   */   */
304    
305  typedef struct TkColormapData { /* Hold color information for a window */  typedef struct TkColormapData { /* Hold color information for a window */
306      int separated;              /* Whether to use separate color bands */      int separated;              /* Whether to use separate color bands */
307      int color;                  /* Whether window is color or black/white */      int color;                  /* Whether window is color or black/white */
308      int ncolors;                /* Number of color values stored */      int ncolors;                /* Number of color values stored */
309      XColor *colors;             /* Pixel value -> RGB mappings */      XColor *colors;             /* Pixel value -> RGB mappings */
310      int red_mask, green_mask, blue_mask;        /* Masks and shifts for each */      int red_mask, green_mask, blue_mask;        /* Masks and shifts for each */
311      int red_shift, green_shift, blue_shift;     /* color band */      int red_shift, green_shift, blue_shift;     /* color band */
312  } TkColormapData;  } TkColormapData;
313    
314  #endif /* _TKCANVAS */  #endif /* _TKCANVAS */
315    
316  /* End of tkcanvas.h */  /* End of tkcanvas.h */
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