Merge commit 'a488074b144e3eb3b21b1e8439fb36ce064ad6d2' as 'tkblt'

1 files changed, 266 insertions, 0 deletions

diff --git a/tkblt/generic/tkbltGrAxis.h b/tkblt/generic/tkbltGrAxis.h
new file mode 100644
index 0000000..d459e8c
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+++ b/tkblt/generic/tkbltGrAxis.h
@@ -0,0 +1,266 @@
+/*
+ * 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 IMPIED, 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 ___BltGrAxis_h__
+#define ___BltGrAxis_h__
+
+#include <tk.h>
+
+#include "tkbltChain.h"
+
+#include "tkbltGrMisc.h"
+#include "tkbltGrText.h"
+#include "tkbltGrPSOutput.h"
+
+namespace Blt {
+  class Graph;
+  class Postscript;
+
+  typedef struct {
+    int axis;
+    int t1;
+    int t2;
+    int label;
+  } AxisInfo;
+
+  typedef struct {
+    const char* name;
+    ClassId classId;
+  } AxisName;
+
+  extern AxisName axisNames[];
+
+  typedef struct {
+    Dashes dashes;
+    int lineWidth;
+    XColor* color;
+    GC gc;
+    Segment2d *segments;
+    int nUsed;
+    int nAllocated;
+  } Grid;
+
+  typedef struct {
+    double min;
+    double max;
+    double range;
+    double scale;
+  } AxisRange;
+
+  class TickLabel {
+  public:
+    Point2d anchorPos;
+    unsigned int width;
+    unsigned int height;
+    char* string;
+
+  public:
+    TickLabel(char*);
+    virtual ~TickLabel();
+  };
+
+  class Ticks {
+  public:
+    int nTicks;
+    double* values;
+
+  public:
+    Ticks(int);
+    virtual ~Ticks();
+  };
+
+  typedef struct {
+    double initial;
+    double step;
+    int nSteps;
+  } TickSweep;
+
+  typedef struct {
+    const char** tags;
+    int checkLimits;
+    int exterior;
+    int showGrid;
+    int showGridMinor;
+    int hide;
+    int showTicks;
+
+    double windowSize;
+    const char *tickFormatCmd;
+    int descending;
+    int labelOffset;
+    TextStyleOptions limitsTextStyle;
+    const char *limitsFormat;
+    int lineWidth;
+    int logScale;
+    int looseMin;
+    int looseMax;
+    Ticks* t1UPtr;
+    Ticks* t2UPtr;
+    double reqMin;
+    double reqMax;
+    Tcl_Obj *scrollCmdObjPtr;
+    int scrollUnits;
+    double reqScrollMin;
+    double reqScrollMax;
+    double shiftBy;
+    double reqStep;
+    int reqNumMajorTicks;
+    int reqNumMinorTicks;
+    int tickLength;
+    const char *title;
+    int titleAlternate;
+
+    XColor* activeFgColor;
+    int activeRelief;
+    Tk_3DBorder normalBg;
+    int borderWidth;
+    XColor* tickColor;
+    Grid major;
+    Grid minor;
+    Tk_Justify titleJustify;
+    int relief;
+    double tickAngle;	
+    Tk_Anchor reqTickAnchor;
+    Tk_Font tickFont;
+    Tk_Font titleFont;
+    XColor* titleColor;
+
+    const char *tickFormat;
+  } AxisOptions;
+
+  class Axis {
+  protected:
+    Tk_OptionTable optionTable_;
+    void* ops_;
+
+  public:
+    Graph* graphPtr_;
+    ClassId classId_;
+    const char* name_;
+    const char* className_;
+
+    Tcl_HashEntry* hashPtr_;
+    int refCount_;
+    int use_;
+    int active_;		
+
+    ChainLink* link;
+    Chain* chain;
+
+    Point2d titlePos_;
+    unsigned int titleWidth_;
+    unsigned int titleHeight_;
+    double min_;
+    double max_;
+    double scrollMin_;
+    double scrollMax_;
+    AxisRange valueRange_;
+    AxisRange axisRange_;
+    double prevMin_;
+    double prevMax_;
+    Ticks* t1Ptr_;
+    Ticks* t2Ptr_;
+    TickSweep minorSweep_;
+    TickSweep majorSweep_;
+
+    int margin_;
+    Segment2d *segments_;
+    int nSegments_;
+    Chain* tickLabels_;
+    int left_;
+    int right_;
+    int top_;
+    int bottom_;
+    int width_;
+    int height_;
+    int maxTickWidth_;
+    int maxTickHeight_;
+    Tk_Anchor tickAnchor_;
+    GC tickGC_;
+    GC activeTickGC_;
+    double titleAngle_;	
+    Tk_Anchor titleAnchor_;
+    double screenScale_;
+    int screenMin_;
+    int screenRange_;
+
+  protected:
+    double niceNum(double, int);
+    void setRange(AxisRange*, double, double);
+    void makeGridLine(double, Segment2d*);
+    void makeSegments(AxisInfo*);
+    void resetTextStyles();
+    void makeLine(int, Segment2d*);
+    void makeTick(double, int, int, Segment2d*);
+    void offsets(int, int, AxisInfo*);
+    void updateScrollbar(Tcl_Interp*, Tcl_Obj*, int, int, int);
+
+  public:
+    Axis(Graph*, const char*, int, Tcl_HashEntry*);
+    virtual ~Axis();
+
+    Tk_OptionTable optionTable() {return optionTable_;}
+    void* ops() {return ops_;}
+    ClassId classId() {return classId_;}
+    const char* className() {return className_;}
+
+    int configure();
+    void map(int, int);
+    void draw(Drawable);
+    void drawGrids(Drawable);
+    void drawLimits(Drawable);
+    void print(PSOutput*);
+    void printGrids(PSOutput*);
+    void printLimits(PSOutput*);
+
+    void mapStacked(int, int);
+    void mapGridlines();
+    void setClass(ClassId);
+    void logScale(double, double);
+    void linearScale(double, double);
+    void fixRange();
+    int isHorizontal();
+    void freeTickLabels();
+    TickLabel* makeLabel(double);
+    void getDataLimits(double, double);
+    Ticks* generateTicks(TickSweep*);
+    int inRange(double, AxisRange*);
+    void getGeometry();
+
+    double invHMap(double x);
+    double invVMap(double y);
+    double hMap(double x);
+    double vMap(double y);
+  };
+};
+
+#endif