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authorrjohnson <rjohnson>1998-04-01 09:51:44 (GMT)
committerrjohnson <rjohnson>1998-04-01 09:51:44 (GMT)
commit066ea7fd88d49cb456f74da71dbe875e4fc0aabb (patch)
tree8fb30cb152c4dc191be47fa043d2e6f5ea38c7ba /generic/tkColor.h
parent13242623d2ff3ea02ab6a62bfb48a7dbb5c27e22 (diff)
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+/*
+ * tkColor.h --
+ *
+ * Declarations of data types and functions used by the
+ * Tk color module.
+ *
+ * Copyright (c) 1996 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.
+ *
+ * SCCS: @(#) tkColor.h 1.1 96/10/22 16:53:09
+ */
+
+#ifndef _TKCOLOR
+#define _TKCOLOR
+
+#include <tkInt.h>
+
+/*
+ * One of the following data structures is used to keep track of
+ * each color that the color module has allocated from the X display
+ * server.
+ */
+
+#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 refCount; /* Number of uses of this structure. */
+ Tcl_HashTable *tablePtr; /* Hash table that indexes this structure
+ * (needed when deleting structure). */
+ Tcl_HashEntry *hashPtr; /* Pointer to hash table entry for this
+ * structure. (for use in deleting entry). */
+} 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));
+
+#endif /* _TKCOLOR */