diff options
Diffstat (limited to 'tkblt/generic/tkbltGrAxisOp.C')
-rw-r--r-- | tkblt/generic/tkbltGrAxisOp.C | 674 |
1 files changed, 0 insertions, 674 deletions
diff --git a/tkblt/generic/tkbltGrAxisOp.C b/tkblt/generic/tkbltGrAxisOp.C deleted file mode 100644 index fb3277e..0000000 --- a/tkblt/generic/tkbltGrAxisOp.C +++ /dev/null @@ -1,674 +0,0 @@ -/* - * 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. - */ - -#include <string.h> - -#include <cmath> - -#include "tkbltGrBind.h" -#include "tkbltGraph.h" -#include "tkbltGrAxis.h" -#include "tkbltGrAxisOp.h" -#include "tkbltGrMisc.h" -#include "tkbltInt.h" - -using namespace Blt; - -#define EXP10(x) (pow(10.0,(x))) - -static int GetAxisScrollInfo(Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[], - double *offsetPtr, double windowSize, - double scrollUnits, double scale); - -static double Clamp(double x) -{ - return (x < 0.0) ? 0.0 : (x > 1.0) ? 1.0 : x; -} - -int Blt::AxisObjConfigure(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = axisPtr->graphPtr_; - Tk_SavedOptions savedOptions; - int mask =0; - int error; - Tcl_Obj* errorResult; - - for (error=0; error<=1; error++) { - if (!error) { - if (Tk_SetOptions(interp, (char*)axisPtr->ops(), axisPtr->optionTable(), - objc, objv, graphPtr->tkwin_, &savedOptions, &mask) - != TCL_OK) - continue; - } - else { - errorResult = Tcl_GetObjResult(interp); - Tcl_IncrRefCount(errorResult); - Tk_RestoreSavedOptions(&savedOptions); - } - - if (axisPtr->configure() != TCL_OK) - return TCL_ERROR; - - graphPtr->flags |= mask; - graphPtr->eventuallyRedraw(); - - break; - } - - if (!error) { - Tk_FreeSavedOptions(&savedOptions); - return TCL_OK; - } - else { - Tcl_SetObjResult(interp, errorResult); - Tcl_DecrRefCount(errorResult); - return TCL_ERROR; - } -} - -static int CgetOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=5) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId option"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisCgetOp(axisPtr, interp, objc-1, objv+1); -} - -static int ConfigureOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc<4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId ?option value?..."); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisConfigureOp(axisPtr, interp, objc-1, objv+1); -} - -static int ActivateOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisActivateOp(axisPtr, interp, objc, objv); -} - -static int BindOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc == 3) { - Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL); - Tcl_HashSearch iter; - for (Tcl_HashEntry* hPtr=Tcl_FirstHashEntry(&graphPtr->axes_.tagTable, &iter); hPtr; hPtr = Tcl_NextHashEntry(&iter)) { - char* tagName = (char*)Tcl_GetHashKey(&graphPtr->axes_.tagTable, hPtr); - Tcl_Obj* objPtr = Tcl_NewStringObj(tagName, -1); - Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); - } - - Tcl_SetObjResult(interp, listObjPtr); - return TCL_OK; - } - else - return graphPtr->bindTable_->configure(graphPtr->axisTag(Tcl_GetString(objv[3])), objc-4, objv+4); -} - -static int CreateOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - if (graphPtr->createAxis(objc, objv) != TCL_OK) - return TCL_ERROR; - Tcl_SetObjResult(interp, objv[3]); - - return TCL_OK; -} - -static int DeleteOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - if (axisPtr->refCount_ == 0) - delete axisPtr; - - graphPtr->flags |= RESET; - graphPtr->eventuallyRedraw(); - - return TCL_OK; -} - -static int InvTransformOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=5) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId scoord"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisInvTransformOp(axisPtr, interp, objc-1, objv+1); -} - -static int LimitsOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisLimitsOp(axisPtr, interp, objc-1, objv+1); -} - -static int MarginOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisMarginOp(axisPtr, interp, objc-1, objv+1); -} - -static int NamesOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL); - if (objc<3) { - Tcl_WrongNumArgs(interp, 3, objv, "?pattern...?"); - return TCL_ERROR; - } - if (objc == 3) { - Tcl_HashSearch cursor; - for (Tcl_HashEntry *hPtr = Tcl_FirstHashEntry(&graphPtr->axes_.table, &cursor); hPtr; hPtr = Tcl_NextHashEntry(&cursor)) { - Axis* axisPtr = (Axis*)Tcl_GetHashValue(hPtr); - Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj(axisPtr->name_, -1)); - } - } - else { - Tcl_HashSearch cursor; - for (Tcl_HashEntry *hPtr = Tcl_FirstHashEntry(&graphPtr->axes_.table, &cursor); hPtr; hPtr = Tcl_NextHashEntry(&cursor)) { - Axis* axisPtr = (Axis*)Tcl_GetHashValue(hPtr); - for (int ii=3; ii<objc; ii++) { - const char *pattern = (const char*)Tcl_GetString(objv[ii]); - if (Tcl_StringMatch(axisPtr->name_, pattern)) { - Tcl_ListObjAppendElement(interp, listObjPtr, - Tcl_NewStringObj(axisPtr->name_, -1)); - break; - } - } - } - } - Tcl_SetObjResult(interp, listObjPtr); - - return TCL_OK; -} - -static int TransformOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=5) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId coord"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisTransformOp(axisPtr, interp, objc-1, objv+1); -} - -static int TypeOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisTypeOp(axisPtr, interp, objc-1, objv+1); -} - -static int ViewOp(ClientData clientData, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = (Graph*)clientData; - if (objc!=4) { - Tcl_WrongNumArgs(interp, 3, objv, "axisId"); - return TCL_ERROR; - } - - Axis* axisPtr; - if (graphPtr->getAxis(objv[3], &axisPtr) != TCL_OK) - return TCL_ERROR; - - return AxisViewOp(axisPtr, interp, objc-1, objv+1); -} - -const Ensemble Blt::axisEnsemble[] = { - {"activate", ActivateOp, 0}, - {"bind", BindOp, 0}, - {"cget", CgetOp,0 }, - {"configure", ConfigureOp,0 }, - {"create", CreateOp, 0}, - {"deactivate", ActivateOp, 0}, - {"delete", DeleteOp, 0}, - {"invtransform", InvTransformOp, 0}, - {"limits", LimitsOp, 0}, - {"margin", MarginOp, 0}, - {"names", NamesOp, 0}, - {"transform", TransformOp, 0}, - {"type", TypeOp, 0}, - {"view", ViewOp, 0}, - { 0,0,0 } -}; - -// Support - -double AdjustViewport(double offset, double windowSize) -{ - // Canvas-style scrolling allows the world to be scrolled within the window. - if (windowSize > 1.0) { - if (windowSize < (1.0 - offset)) - offset = 1.0 - windowSize; - - if (offset > 0.0) - offset = 0.0; - } - else { - if ((offset + windowSize) > 1.0) - offset = 1.0 - windowSize; - - if (offset < 0.0) - offset = 0.0; - } - return offset; -} - -static int GetAxisScrollInfo(Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[], - double *offsetPtr, double windowSize, - double scrollUnits, double scale) -{ - const char *string; - char c; - double offset; - int length; - - offset = *offsetPtr; - string = Tcl_GetStringFromObj(objv[0], &length); - c = string[0]; - scrollUnits *= scale; - if ((c == 's') && (strncmp(string, "scroll", length) == 0)) { - int count; - double fract; - - /* Scroll number unit/page */ - if (Tcl_GetIntFromObj(interp, objv[1], &count) != TCL_OK) - return TCL_ERROR; - - string = Tcl_GetStringFromObj(objv[2], &length); - c = string[0]; - if ((c == 'u') && (strncmp(string, "units", length) == 0)) - fract = count * scrollUnits; - else if ((c == 'p') && (strncmp(string, "pages", length) == 0)) - /* A page is 90% of the view-able window. */ - fract = (int)(count * windowSize * 0.9 + 0.5); - else if ((c == 'p') && (strncmp(string, "pixels", length) == 0)) - fract = count * scale; - else { - Tcl_AppendResult(interp, "unknown \"scroll\" units \"", string, - "\"", NULL); - return TCL_ERROR; - } - offset += fract; - } - else if ((c == 'm') && (strncmp(string, "moveto", length) == 0)) { - double fract; - - /* moveto fraction */ - if (Tcl_GetDoubleFromObj(interp, objv[1], &fract) != TCL_OK) { - return TCL_ERROR; - } - offset = fract; - } - else { - int count; - double fract; - - /* Treat like "scroll units" */ - if (Tcl_GetIntFromObj(interp, objv[0], &count) != TCL_OK) { - return TCL_ERROR; - } - fract = (double)count * scrollUnits; - offset += fract; - /* CHECK THIS: return TCL_OK; */ - } - *offsetPtr = AdjustViewport(offset, windowSize); - return TCL_OK; -} - -// Common Ops - -int AxisCgetOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = axisPtr->graphPtr_; - - if (objc != 4) { - Tcl_WrongNumArgs(interp, 2, objv, "cget option"); - return TCL_ERROR; - } - - Tcl_Obj* objPtr = Tk_GetOptionValue(interp, (char*)axisPtr->ops(), - axisPtr->optionTable(), - objv[3], graphPtr->tkwin_); - if (!objPtr) - return TCL_ERROR; - else - Tcl_SetObjResult(interp, objPtr); - return TCL_OK; -} - -int AxisConfigureOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = axisPtr->graphPtr_; - - if (objc <= 4) { - Tcl_Obj* objPtr = Tk_GetOptionInfo(interp, (char*)axisPtr->ops(), - axisPtr->optionTable(), - (objc == 4) ? objv[3] : NULL, - graphPtr->tkwin_); - if (!objPtr) - return TCL_ERROR; - else - Tcl_SetObjResult(interp, objPtr); - return TCL_OK; - } - else - return AxisObjConfigure(axisPtr, interp, objc-3, objv+3); -} - -int AxisActivateOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - AxisOptions* ops = (AxisOptions*)axisPtr->ops(); - Graph* graphPtr = axisPtr->graphPtr_; - const char *string; - - string = Tcl_GetString(objv[2]); - axisPtr->active_ = (string[0] == 'a') ? 1 : 0; - - if (!ops->hide && axisPtr->use_) { - graphPtr->flags |= RESET; - graphPtr->eventuallyRedraw(); - } - - return TCL_OK; -} - -int AxisInvTransformOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = axisPtr->graphPtr_; - - if (graphPtr->flags & RESET) - graphPtr->resetAxes(); - - int sy; - if (Tcl_GetIntFromObj(interp, objv[3], &sy) != TCL_OK) - return TCL_ERROR; - - // Is the axis vertical or horizontal? - // Check the site where the axis was positioned. If the axis is - // virtual, all we have to go on is how it was mapped to an - // element (using either -mapx or -mapy options). - double y = axisPtr->isHorizontal() ? - axisPtr->invHMap(sy) : axisPtr->invVMap(sy); - - Tcl_SetDoubleObj(Tcl_GetObjResult(interp), y); - return TCL_OK; -} - -int AxisLimitsOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - AxisOptions* ops = (AxisOptions*)axisPtr->ops(); - Graph* graphPtr = axisPtr->graphPtr_; - - if (graphPtr->flags & RESET) - graphPtr->resetAxes(); - - double min, max; - if (ops->logScale) { - min = EXP10(axisPtr->axisRange_.min); - max = EXP10(axisPtr->axisRange_.max); - } - else { - min = axisPtr->axisRange_.min; - max = axisPtr->axisRange_.max; - } - - Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL); - Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewDoubleObj(min)); - Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewDoubleObj(max)); - - Tcl_SetObjResult(interp, listObjPtr); - return TCL_OK; -} - -int AxisMarginOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - const char *marginName = ""; - if (axisPtr->use_) - marginName = axisNames[axisPtr->margin_].name; - - Tcl_SetStringObj(Tcl_GetObjResult(interp), marginName, -1); - return TCL_OK; -} - -int AxisTransformOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - Graph* graphPtr = axisPtr->graphPtr_; - - if (graphPtr->flags & RESET) - graphPtr->resetAxes(); - - double x; - if (Tcl_GetDoubleFromObj(interp, objv[3], &x) != TCL_OK) - return TCL_ERROR; - - if (axisPtr->isHorizontal()) - x = axisPtr->hMap(x); - else - x = axisPtr->vMap(x); - - Tcl_SetIntObj(Tcl_GetObjResult(interp), (int)x); - return TCL_OK; -} - -int AxisTypeOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - const char* typeName = ""; - if (axisPtr->use_) { - switch (axisPtr->classId_) { - case CID_AXIS_X: - typeName = "x"; - break; - case CID_AXIS_Y: - typeName = "y"; - break; - } - } - - Tcl_SetStringObj(Tcl_GetObjResult(interp), typeName, -1); - return TCL_OK; -} - -int AxisViewOp(Axis* axisPtr, Tcl_Interp* interp, - int objc, Tcl_Obj* const objv[]) -{ - AxisOptions* ops = (AxisOptions*)axisPtr->ops(); - Graph* graphPtr = axisPtr->graphPtr_; - double worldMin = axisPtr->valueRange_.min; - double worldMax = axisPtr->valueRange_.max; - /* Override data dimensions with user-selected limits. */ - if (!isnan(axisPtr->scrollMin_)) - worldMin = axisPtr->scrollMin_; - - if (!isnan(axisPtr->scrollMax_)) - worldMax = axisPtr->scrollMax_; - - double viewMin = axisPtr->min_; - double viewMax = axisPtr->max_; - /* Bound the view within scroll region. */ - if (viewMin < worldMin) - viewMin = worldMin; - - if (viewMax > worldMax) - viewMax = worldMax; - - if (ops->logScale) { - worldMin = log10(worldMin); - worldMax = log10(worldMax); - viewMin = log10(viewMin); - viewMax = log10(viewMax); - } - double worldWidth = worldMax - worldMin; - double viewWidth = viewMax - viewMin; - - /* Unlike horizontal axes, vertical axis values run opposite of the - * scrollbar first/last values. So instead of pushing the axis minimum - * around, we move the maximum instead. */ - double axisOffset; - double axisScale; - if (axisPtr->isHorizontal() != ops->descending) { - axisOffset = viewMin - worldMin; - axisScale = graphPtr->hScale_; - } else { - axisOffset = worldMax - viewMax; - axisScale = graphPtr->vScale_; - } - if (objc == 4) { - double first = Clamp(axisOffset / worldWidth); - double last = Clamp((axisOffset + viewWidth) / worldWidth); - Tcl_Obj *listObjPtr = Tcl_NewListObj(0, NULL); - Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewDoubleObj(first)); - Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewDoubleObj(last)); - Tcl_SetObjResult(interp, listObjPtr); - return TCL_OK; - } - double fract = axisOffset / worldWidth; - if (GetAxisScrollInfo(interp, objc, objv, &fract, viewWidth / worldWidth, - ops->scrollUnits, axisScale) != TCL_OK) - return TCL_ERROR; - - if (axisPtr->isHorizontal() != ops->descending) { - ops->reqMin = (fract * worldWidth) + worldMin; - ops->reqMax = ops->reqMin + viewWidth; - } - else { - ops->reqMax = worldMax - (fract * worldWidth); - ops->reqMin = ops->reqMax - viewWidth; - } - if (ops->logScale) { - ops->reqMin = EXP10(ops->reqMin); - ops->reqMax = EXP10(ops->reqMax); - } - - graphPtr->flags |= RESET; - graphPtr->eventuallyRedraw(); - - return TCL_OK; -} - |