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Diffstat (limited to 'tkblt/generic/tkbltGraph.h')
| -rw-r--r-- | tkblt/generic/tkbltGraph.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/tkblt/generic/tkbltGraph.h b/tkblt/generic/tkbltGraph.h new file mode 100644 index 0000000..6f8df01 --- /dev/null +++ b/tkblt/generic/tkbltGraph.h @@ -0,0 +1,256 @@ +/* + * 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 __BltGraph_h__ +#define __BltGraph_h__ + +#include <tk.h> + +#include "tkbltChain.h" +#include "tkbltGrMisc.h" +#include "tkbltGrText.h" + +typedef struct Ensemble { + const char *name; + Tcl_ObjCmdProc *proc; + const struct Ensemble *subensemble; +} Ensemble; + +namespace Blt { + class Axis; + class BindTable; + class Crosshairs; + class Element; + class Marker; + class Legend; + class Pen; + class Postscript; + class PSOutput; + + class Pick { + public: + virtual ClientData pickEntry(int, int, ClassId*) =0; + }; + + typedef struct { + int halo; + int mode; + int x; + int y; + int along; + + Element* elemPtr; + Point2d point; + int index; + double dist; + } ClosestSearch; + + typedef struct { + int width; + int height; + int axesOffset; + int axesTitleLength; + int maxTickWidth; + int maxTickHeight; + unsigned int nAxes; + Chain* axes; + int reqSize; + int site; + } Margin; + + typedef struct { + Tcl_HashTable table; + Chain* displayList; + Tcl_HashTable tagTable; + } Component; + +#define rightMargin margins[MARGIN_RIGHT] +#define leftMargin margins[MARGIN_LEFT] +#define topMargin margins[MARGIN_TOP] +#define bottomMargin margins[MARGIN_BOTTOM] + + typedef struct { + double aspect; + Tk_3DBorder normalBg; + int borderWidth; + Margin margins[4]; + Tk_Cursor cursor; + TextStyleOptions titleTextStyle; + int reqHeight; + XColor* highlightBgColor; + XColor* highlightColor; + int highlightWidth; + int inverted; + Tk_3DBorder plotBg; + int plotBW; + int xPad; + int yPad; + int plotRelief; + int relief; + ClosestSearch search; + int stackAxes; + const char *takeFocus; // nor used in C code + const char *title; + int reqWidth; + int reqPlotWidth; + int reqPlotHeight; + } GraphOptions; + + class Graph : public Pick { + public: + Tcl_Interp* interp_; + Tk_Window tkwin_; + Display *display_; + Tcl_Command cmdToken_; + Tk_OptionTable optionTable_; + void* ops_; + int valid_; + + unsigned int flags; + int nextMarkerId_; + + Component axes_; + Component elements_; + Component markers_; + Tcl_HashTable penTable_; + BindTable* bindTable_; + Chain* axisChain_[4]; + + Legend* legend_; + Crosshairs* crosshairs_; + Postscript* postscript_; + + int inset_; + int titleX_; + int titleY_; + int titleWidth_; + int titleHeight_; + int width_; + int height_; + int left_; + int right_; + int top_; + int bottom_; + Axis* focusPtr_; + int halo_; + GC drawGC_; + int vRange_; + int hRange_; + int vOffset_; + int hOffset_; + double vScale_; + double hScale_; + Pixmap cache_; + int cacheWidth_; + int cacheHeight_; + + protected: + void layoutGraph(); + + void drawMargins(Drawable); + void printMargins(PSOutput*); + int getMarginGeometry(Margin*); + + void destroyPens(); + + void destroyElements(); + void configureElements(); + virtual void mapElements(); + void drawElements(Drawable); + void drawActiveElements(Drawable); + void printElements(PSOutput*); + void printActiveElements(PSOutput*); + + void destroyMarkers(); + void configureMarkers(); + void mapMarkers(); + void drawMarkers(Drawable, int); + void printMarkers(PSOutput*, int); + + int createAxes(); + void destroyAxes(); + void configureAxes(); + void mapAxes(); + void drawAxes(Drawable); + void drawAxesLimits(Drawable); + void drawAxesGrids(Drawable); + void adjustAxes(); + + public: + Graph(ClientData, Tcl_Interp*, int, Tcl_Obj* const []); + virtual ~Graph(); + + virtual int configure(); + void map(); + void draw(); + void eventuallyRedraw(); + int print(const char*, PSOutput*); + void extents(Region2d*); + int invoke(const Ensemble*, int, int, Tcl_Obj* const []); + void reconfigure(); + + int createAxis(int, Tcl_Obj* const []); + void printAxes(PSOutput*); + void printAxesGrids(PSOutput*); + void printAxesLimits(PSOutput*); + int getAxis(Tcl_Obj*, Axis**); + ClientData axisTag(const char*); + Point2d map2D(double, double, Axis*, Axis*); + Point2d invMap2D(double, double, Axis*, Axis*); + virtual void resetAxes(); + Axis* nearestAxis(int, int); + + ClientData markerTag(const char*); + Marker* nearestMarker(int, int, int); + int isElementHidden(Marker*); + + virtual int createElement(int, Tcl_Obj* const []) =0; + int getElement(Tcl_Obj*, Element**); + ClientData elementTag(const char*); + + virtual int createPen(const char*, int, Tcl_Obj* const []) =0; + int getPen(Tcl_Obj*, Pen**); + + int getXY(const char*, int*, int*); + void getTextExtents(Tk_Font, const char*, int, int*, int*); + void getBoundingBox(int, int, double, double*, double*, Point2d*); + Point2d anchorPoint(double, double, double, double, Tk_Anchor); + + const char** getTags(ClientData, ClassId, int*); + ClientData pickEntry(int, int, ClassId*); + + void drawSegments(Drawable, GC, Segment2d*, int); + void setDashes(GC, Dashes*); + + GC getPrivateGC(unsigned long, XGCValues*); + void freePrivateGC(GC); + }; +}; + +#endif |