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Diffstat (limited to 'generic/tkbltGrAxis.h')
| -rw-r--r-- | generic/tkbltGrAxis.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/generic/tkbltGrAxis.h b/generic/tkbltGrAxis.h new file mode 100644 index 0000000..2e35d3f --- /dev/null +++ b/generic/tkbltGrAxis.h @@ -0,0 +1,264 @@ +/* + * 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 *formatCmd; + 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; + } 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 short int titleWidth_; + unsigned short 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_; + short int left_; + short int right_; + short int top_; + short int bottom_; + short int width_; + short int height_; + short int maxTickWidth_; + short 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 |