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Diffstat (limited to 'generic/tkbltGraphBar.C')
| -rw-r--r-- | generic/tkbltGraphBar.C | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/generic/tkbltGraphBar.C b/generic/tkbltGraphBar.C new file mode 100644 index 0000000..dc8664c --- /dev/null +++ b/generic/tkbltGraphBar.C @@ -0,0 +1,518 @@ +/* + * 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 1991-2004 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. + */ + +#include <stdlib.h> + +#include "tkbltGraphBar.h" +#include "tkbltGraphOp.h" + +#include "tkbltGrAxis.h" +#include "tkbltGrXAxisOp.h" +#include "tkbltGrPen.h" +#include "tkbltGrPenOp.h" +#include "tkbltGrPenBar.h" +#include "tkbltGrPenLine.h" +#include "tkbltGrElem.h" +#include "tkbltGrElemOp.h" +#include "tkbltGrElemBar.h" +#include "tkbltGrElemLine.h" +#include "tkbltGrMarker.h" +#include "tkbltGrLegd.h" +#include "tkbltGrHairs.h" +#include "tkbltGrPostscript.h" +#include "tkbltGrDef.h" + +using namespace Blt; + +// BarGroup + +BarGroup::BarGroup() +{ + nSegments =0; + xAxis =NULL; + yAxis =NULL; + sum =0; + count =0; + lastY =0; + index =0; +} + +// BarGraph + +static const char* barmodeObjOption[] = + {"normal", "stacked", "aligned", "overlap", NULL}; +static const char* searchModeObjOption[] = {"points", "traces", "auto", NULL}; +static const char* searchAlongObjOption[] = {"x", "y", "both", NULL}; + +static Tk_OptionSpec optionSpecs[] = { + {TK_OPTION_DOUBLE, "-aspect", "aspect", "Aspect", + "0", -1, Tk_Offset(BarGraphOptions, aspect), 0, NULL, RESET}, + {TK_OPTION_BORDER, "-background", "background", "Background", + STD_NORMAL_BACKGROUND, -1, Tk_Offset(BarGraphOptions, normalBg), + 0, NULL, CACHE}, + {TK_OPTION_STRING_TABLE, "-barmode", "barMode", "BarMode", + "normal", -1, Tk_Offset(BarGraphOptions, barMode), + 0, &barmodeObjOption, RESET}, + {TK_OPTION_DOUBLE, "-barwidth", "barWidth", "BarWidth", + ".9", -1, Tk_Offset(BarGraphOptions, barWidth), 0, NULL, RESET}, + {TK_OPTION_DOUBLE, "-baseline", "baseline", "Baseline", + "0", -1, Tk_Offset(BarGraphOptions, baseline), 0, NULL, RESET}, + {TK_OPTION_SYNONYM, "-bd", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-borderwidth", 0}, + {TK_OPTION_SYNONYM, "-bg", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-background", 0}, + {TK_OPTION_SYNONYM, "-bm", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-bottommargin", 0}, + {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", + STD_BORDERWIDTH, -1, Tk_Offset(BarGraphOptions, borderWidth), + 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-bottommargin", "bottomMargin", "BottomMargin", + "0", -1, Tk_Offset(BarGraphOptions, bottomMargin.reqSize), 0, NULL, RESET}, + {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor", + "crosshair", -1, Tk_Offset(BarGraphOptions, cursor), + TK_OPTION_NULL_OK, NULL, 0}, + {TK_OPTION_SYNONYM, "-fg", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-foreground", 0}, + {TK_OPTION_FONT, "-font", "font", "Font", + STD_FONT_MEDIUM, -1, Tk_Offset(BarGraphOptions, titleTextStyle.font), + 0, NULL, RESET}, + {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground", + STD_NORMAL_FOREGROUND, -1, Tk_Offset(BarGraphOptions, titleTextStyle.color), + 0, NULL, CACHE}, + {TK_OPTION_SYNONYM, "-halo", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-searchhalo", 0}, + {TK_OPTION_PIXELS, "-height", "height", "Height", + "4i", -1, Tk_Offset(BarGraphOptions, reqHeight), 0, NULL, RESET}, + {TK_OPTION_COLOR, "-highlightbackground", "highlightBackground", + "HighlightBackground", + STD_NORMAL_BACKGROUND, -1, Tk_Offset(BarGraphOptions, highlightBgColor), + 0, NULL, CACHE}, + {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", + STD_NORMAL_FOREGROUND, -1, Tk_Offset(BarGraphOptions, highlightColor), + 0, NULL, CACHE}, + {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness", + "HighlightThickness", + "2", -1, Tk_Offset(BarGraphOptions, highlightWidth), 0, NULL, RESET}, + {TK_OPTION_BOOLEAN, "-invertxy", "invertXY", "InvertXY", + "no", -1, Tk_Offset(BarGraphOptions, inverted), 0, NULL, RESET}, + {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify", + "center", -1, Tk_Offset(BarGraphOptions, titleTextStyle.justify), + 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-leftmargin", "leftMargin", "Margin", + "0", -1, Tk_Offset(BarGraphOptions, leftMargin.reqSize), 0, NULL, RESET}, + {TK_OPTION_SYNONYM, "-lm", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-leftmargin", 0}, + {TK_OPTION_BORDER, "-plotbackground", "plotbackground", "PlotBackground", + STD_NORMAL_BACKGROUND, -1, Tk_Offset(BarGraphOptions, plotBg), + 0, NULL, CACHE}, + {TK_OPTION_PIXELS, "-plotborderwidth", "plotBorderWidth", "PlotBorderWidth", + STD_BORDERWIDTH, -1, Tk_Offset(BarGraphOptions, plotBW), 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-plotpadx", "plotPadX", "PlotPad", + "0", -1, Tk_Offset(BarGraphOptions, xPad), 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-plotpady", "plotPadY", "PlotPad", + "0", -1, Tk_Offset(BarGraphOptions, yPad), 0, NULL, RESET}, + {TK_OPTION_RELIEF, "-plotrelief", "plotRelief", "Relief", + "flat", -1, Tk_Offset(BarGraphOptions, plotRelief), 0, NULL, RESET}, + {TK_OPTION_RELIEF, "-relief", "relief", "Relief", + "flat", -1, Tk_Offset(BarGraphOptions, relief), 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-rightmargin", "rightMargin", "Margin", + "0", -1, Tk_Offset(BarGraphOptions, rightMargin.reqSize), 0, NULL, RESET}, + {TK_OPTION_SYNONYM, "-rm", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-rightmargin", 0}, + {TK_OPTION_PIXELS, "-searchhalo", "searchhalo", "SearchHalo", + "2m", -1, Tk_Offset(BarGraphOptions, search.halo), 0, NULL, 0}, + {TK_OPTION_STRING_TABLE, "-searchmode", "searchMode", "SearchMode", + "points", -1, Tk_Offset(BarGraphOptions, search.mode), + 0, &searchModeObjOption, 0}, + {TK_OPTION_STRING_TABLE, "-searchalong", "searchAlong", "SearchAlong", + "both", -1, Tk_Offset(BarGraphOptions, search.along), + 0, &searchAlongObjOption, 0}, + {TK_OPTION_BOOLEAN, "-stackaxes", "stackAxes", "StackAxes", + "no", -1, Tk_Offset(BarGraphOptions, stackAxes), 0, NULL, RESET}, + {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", + NULL, -1, Tk_Offset(BarGraphOptions, takeFocus), + TK_OPTION_NULL_OK, NULL, 0}, + {TK_OPTION_STRING, "-title", "title", "Title", + NULL, -1, Tk_Offset(BarGraphOptions, title), TK_OPTION_NULL_OK, NULL, RESET}, + {TK_OPTION_SYNONYM, "-tm", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-topmargin", 0}, + {TK_OPTION_PIXELS, "-topmargin", "topMargin", "TopMargin", + "0", -1, Tk_Offset(BarGraphOptions, topMargin.reqSize), 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-width", "width", "Width", + "5i", -1, Tk_Offset(BarGraphOptions, reqWidth), 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-plotwidth", "plotWidth", "PlotWidth", + "0", -1, Tk_Offset(BarGraphOptions, reqPlotWidth), 0, NULL, RESET}, + {TK_OPTION_PIXELS, "-plotheight", "plotHeight", "PlotHeight", + "0", -1, Tk_Offset(BarGraphOptions, reqPlotHeight), 0, NULL, RESET}, + {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0} +}; + +// Create + +BarGraph::BarGraph(ClientData clientData, Tcl_Interp* interp, + int objc, Tcl_Obj* const objv[]) + : Graph(clientData, interp, objc, objv) +{ + // problems so far? + if (!valid_) + return; + + ops_ = (BarGraphOptions*)calloc(1, sizeof(BarGraphOptions)); + BarGraphOptions* ops = (BarGraphOptions*)ops_; + + Tk_SetClass(tkwin_, "Barchart"); + + barGroups_ =NULL; + nBarGroups_ =0; + maxBarSetSize_ =0; + Tcl_InitHashTable(&setTable_, sizeof(BarSetKey)/sizeof(int)); + + ops->bottomMargin.site = MARGIN_BOTTOM; + ops->leftMargin.site = MARGIN_LEFT; + ops->topMargin.site = MARGIN_TOP; + ops->rightMargin.site = MARGIN_RIGHT; + + ops->titleTextStyle.anchor = TK_ANCHOR_N; + ops->titleTextStyle.color =NULL; + ops->titleTextStyle.font =NULL; + ops->titleTextStyle.angle =0; + ops->titleTextStyle.justify =TK_JUSTIFY_LEFT; + + optionTable_ = Tk_CreateOptionTable(interp_, optionSpecs); + if ((Tk_InitOptions(interp_, (char*)ops_, optionTable_, tkwin_) != TCL_OK) || (GraphObjConfigure(this, interp_, objc-2, objv+2) != TCL_OK)) { + valid_ =0; + return; + } + + // do this last after Tk_SetClass set + legend_ = new Legend(this); + crosshairs_ = new Crosshairs(this); + postscript_ = new Postscript(this); + + if (createPen("active", 0, NULL) != TCL_OK) { + valid_ =0; + return; + } + + if (createAxes() != TCL_OK) { + valid_ =0; + return; + } + + adjustAxes(); + + Tcl_SetStringObj(Tcl_GetObjResult(interp_), Tk_PathName(tkwin_), -1); +} + +BarGraph::~BarGraph() +{ + destroyBarSets(); +} + +int BarGraph::configure() +{ + BarGraphOptions* ops = (BarGraphOptions*)ops_; + // Don't allow negative bar widths. Reset to an arbitrary value (0.1) + if (ops->barWidth <= 0.0f) + ops->barWidth = 0.9f; + + return Graph::configure(); +} + +int BarGraph::createPen(const char* penName, int objc, Tcl_Obj* const objv[]) +{ + int isNew; + Tcl_HashEntry *hPtr = + Tcl_CreateHashEntry(&penTable_, penName, &isNew); + if (!isNew) { + Tcl_AppendResult(interp_, "pen \"", penName, "\" already exists in \"", + Tk_PathName(tkwin_), "\"", (char *)NULL); + return TCL_ERROR; + } + + Pen* penPtr = new BarPen(this, penName, hPtr); + if (!penPtr) + return TCL_ERROR; + + Tcl_SetHashValue(hPtr, penPtr); + + if ((Tk_InitOptions(interp_, (char*)penPtr->ops(), penPtr->optionTable(), tkwin_) != TCL_OK) || (PenObjConfigure(this, penPtr, interp_, objc-4, objv+4) != TCL_OK)) { + delete penPtr; + return TCL_ERROR; + } + + flags |= RESET; + eventuallyRedraw(); + + return TCL_OK; +} + +int BarGraph::createElement(int objc, Tcl_Obj* const objv[]) +{ + char *name = Tcl_GetString(objv[3]); + if (name[0] == '-') { + Tcl_AppendResult(interp_, "name of element \"", name, + "\" can't start with a '-'", NULL); + return TCL_ERROR; + } + + int isNew; + Tcl_HashEntry* hPtr = + Tcl_CreateHashEntry(&elements_.table, name, &isNew); + if (!isNew) { + Tcl_AppendResult(interp_, "element \"", name, + "\" already exists in \"", Tcl_GetString(objv[0]), + "\"", NULL); + return TCL_ERROR; + } + + Element* elemPtr = new BarElement(this, name, hPtr); + if (!elemPtr) + return TCL_ERROR; + + Tcl_SetHashValue(hPtr, elemPtr); + + if ((Tk_InitOptions(interp_, (char*)elemPtr->ops(), elemPtr->optionTable(), tkwin_) != TCL_OK) || (ElementObjConfigure(elemPtr, interp_, objc-4, objv+4) != TCL_OK)) { + delete elemPtr; + return TCL_ERROR; + } + + elemPtr->link = elements_.displayList->append(elemPtr); + + return TCL_OK; +} + +void BarGraph::mapElements() +{ + BarGraphOptions* ops = (BarGraphOptions*)ops_; + if ((BarMode)ops->barMode != INFRONT) + resetBarSets(); + + Graph::mapElements(); +} + +void BarGraph::resetAxes() +{ + BarGraphOptions* ops = (BarGraphOptions*)ops_; + + /* FIXME: This should be called whenever the display list of + * elements change. Maybe yet another flag INIT_STACKS to + * indicate that the element display list has changed. + * Needs to be done before the axis limits are set. + */ + initBarSets(); + if (((BarMode)ops->barMode == STACKED) && (nBarGroups_ > 0)) + computeBarStacks(); + + Graph::resetAxes(); +} + +void BarGraph::initBarSets() +{ + BarGraphOptions* ops = (BarGraphOptions*)ops_; + + // Free resources associated with a previous frequency table. This includes + // the array of frequency information and the table itself + destroyBarSets(); + if ((BarMode)ops->barMode == INFRONT) + return; + + // Initialize a hash table and fill it with unique abscissas. Keep track + // of the frequency of each x-coordinate and how many abscissas have + // duplicate mappings. + Tcl_HashTable setTable; + Tcl_InitHashTable(&setTable, sizeof(BarSetKey)/sizeof(int)); + int nSegs =0; + + for (ChainLink* link = Chain_FirstLink(elements_.displayList); + link; link = Chain_NextLink(link)) { + BarElement* bePtr = (BarElement*)Chain_GetValue(link); + BarElementOptions* ops = (BarElementOptions*)bePtr->ops(); + if (ops->hide) + continue; + + nSegs++; + if (ops->coords.x) { + int nPoints = ops->coords.x->nValues(); + for (double *x=ops->coords.x->values_, *xend=x+nPoints; x<xend; x++) { + BarSetKey key; + key.value =*x; + key.xAxis =ops->xAxis; + key.yAxis =NULL; + + int isNew; + Tcl_HashEntry* hhPtr = + Tcl_CreateHashEntry(&setTable, (char*)&key, &isNew); + Tcl_HashTable* tablePtr; + if (isNew) { + tablePtr = (Tcl_HashTable*)malloc(sizeof(Tcl_HashTable)); + Tcl_InitHashTable(tablePtr, TCL_STRING_KEYS); + Tcl_SetHashValue(hhPtr, tablePtr); + } + else + tablePtr = (Tcl_HashTable*)Tcl_GetHashValue(hhPtr); + + const char* name = ops->groupName ? ops->groupName : ops->yAxis->name_; + Tcl_HashEntry* hhPtr2 = Tcl_CreateHashEntry(tablePtr, name, &isNew); + size_t count =1; + if (!isNew) { + count = (size_t)Tcl_GetHashValue(hhPtr2); + count++; + } + Tcl_SetHashValue(hhPtr2, count); + } + } + } + + // no bar elements to be displayed + if (setTable.numEntries == 0) + return; + + int sum =0; + int max =0; + Tcl_HashSearch iter; + for (Tcl_HashEntry *hhPtr = Tcl_FirstHashEntry(&setTable, &iter); hhPtr; + hhPtr = Tcl_NextHashEntry(&iter)) { + BarSetKey* keyPtr = (BarSetKey*)Tcl_GetHashKey(&setTable, hhPtr); + Tcl_HashTable* tablePtr = (Tcl_HashTable*)Tcl_GetHashValue(hhPtr); + + int isNew; + Tcl_HashEntry* hPtr = + Tcl_CreateHashEntry(&setTable_, (char*)keyPtr, &isNew); + Tcl_SetHashValue(hPtr, tablePtr); + + if (max < tablePtr->numEntries) + max = tablePtr->numEntries; // # of stacks in group + sum += tablePtr->numEntries; + } + + Tcl_DeleteHashTable(&setTable); + + if (sum > 0) { + barGroups_ = new BarGroup[sum]; + BarGroup* groupPtr = barGroups_; + Tcl_HashSearch iter; + for (Tcl_HashEntry* hPtr = Tcl_FirstHashEntry(&setTable_, &iter); + hPtr; hPtr = Tcl_NextHashEntry(&iter)) { + BarSetKey* keyPtr = (BarSetKey*)Tcl_GetHashKey(&setTable_, hPtr); + Tcl_HashTable* tablePtr = (Tcl_HashTable*)Tcl_GetHashValue(hPtr); + + size_t xcount = 0; + Tcl_HashSearch iter2; + for (Tcl_HashEntry *hPtr2 = Tcl_FirstHashEntry(tablePtr, &iter2); + hPtr2; hPtr2 = Tcl_NextHashEntry(&iter2)) { + size_t count = (size_t)Tcl_GetHashValue(hPtr2); + groupPtr->nSegments = count; + groupPtr->xAxis = keyPtr->xAxis; + groupPtr->yAxis = keyPtr->yAxis; + groupPtr->index = xcount++; + Tcl_SetHashValue(hPtr2, groupPtr); + + groupPtr++; + } + } + } + + maxBarSetSize_ = max; + nBarGroups_ = sum; +} + +void BarGraph::destroyBarSets() +{ + if (barGroups_) { + delete [] barGroups_; + barGroups_ = NULL; + } + + nBarGroups_ = 0; + Tcl_HashSearch iter; + for (Tcl_HashEntry* hPtr=Tcl_FirstHashEntry(&setTable_, &iter); hPtr; + hPtr=Tcl_NextHashEntry(&iter)) { + Tcl_HashTable* tablePtr = (Tcl_HashTable*)Tcl_GetHashValue(hPtr); + Tcl_DeleteHashTable(tablePtr); + free(tablePtr); + } + + Tcl_DeleteHashTable(&setTable_); + Tcl_InitHashTable(&setTable_, sizeof(BarSetKey)/sizeof(int)); +} + +void BarGraph::resetBarSets() +{ + for (BarGroup *gp = barGroups_, *gend = gp + nBarGroups_; gp < gend; gp++) { + gp->lastY = 0.0; + gp->count = 0; + } +} + +void BarGraph::computeBarStacks() +{ + BarGraphOptions* ops = (BarGraphOptions*)ops_; + + if (((BarMode)ops->barMode != STACKED) || (nBarGroups_ == 0)) + return; + + // Initialize the stack sums to zero + for (BarGroup *gp = barGroups_, *gend = gp + nBarGroups_; gp < gend; gp++) + gp->sum = 0.0; + + // Consider each bar x-y coordinate. Add the ordinates of duplicate + // abscissas + + for (ChainLink* link = Chain_FirstLink(elements_.displayList); link; + link = Chain_NextLink(link)) { + BarElement* bePtr = (BarElement*)Chain_GetValue(link); + BarElementOptions* ops = (BarElementOptions*)bePtr->ops(); + if (ops->hide) + continue; + + if (ops->coords.x && ops->coords.y) { + for (double *x=ops->coords.x->values_, *y=ops->coords.y->values_, + *xend=x+ops->coords.x->nValues(); x<xend; x++, y++) { + BarSetKey key; + key.value =*x; + key.xAxis =ops->xAxis; + key.yAxis =NULL; + Tcl_HashEntry *hPtr = Tcl_FindHashEntry(&setTable_, (char*)&key); + if (!hPtr) + continue; + + Tcl_HashTable *tablePtr = (Tcl_HashTable*)Tcl_GetHashValue(hPtr); + const char *name = ops->groupName ? ops->groupName : ops->yAxis->name_; + hPtr = Tcl_FindHashEntry(tablePtr, name); + if (!hPtr) + continue; + + BarGroup *groupPtr = (BarGroup*)Tcl_GetHashValue(hPtr); + groupPtr->sum += *y; + } + } + } +} + |