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+/*
+ * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+ * This code has been modified under the terms listed below and is made
+ * available under the same terms.
+ */
+
+/*
+ * Copyright 1993-2004 George A Howlett.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+ * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+ * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __BltGrHairs_h__
+#define __BltGrHairs_h__
+
+#include <tk.h>
+
+#include "tkbltGrMisc.h"
+
+namespace Blt {
+ class Graph;
+
+ typedef struct {
+ XColor* colorPtr;
+ Dashes dashes;
+ int lineWidth;
+ int x;
+ int y;
+ } CrosshairsOptions;
+
+ class Crosshairs {
+ protected:
+ Graph* graphPtr_;
+ Tk_OptionTable optionTable_;
+ void* ops_;
+
+ int visible_;
+ GC gc_;
+ XPoint segArr_[4];
+
+ public:
+ Crosshairs(Graph*);
+ virtual ~Crosshairs();
+
+ int configure();
+ void map();
+ void draw(Drawable);
+
+ void on();
+ void off();
+ int isOn() {return visible_;}
+
+ Tk_OptionTable optionTable() {return optionTable_;}
+ void* ops() {return ops_;}
+ };
+};
+
+#endif