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author | William Joye <wjoye@cfa.harvard.edu> | 2016-05-31 17:31:56 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2016-05-31 17:31:56 (GMT) |
commit | 5ec03c540378d3ab9b5a7f93f7eb325feedc1f41 (patch) | |
tree | e439796f3e9cb03b6f1d193e8e83bbdf30db07df /src/tkbltGrMarkerText.C | |
parent | 05f1c8d7ec12d76f2b8a77681453e7debfaf500b (diff) | |
download | blt-5ec03c540378d3ab9b5a7f93f7eb325feedc1f41.zip blt-5ec03c540378d3ab9b5a7f93f7eb325feedc1f41.tar.gz blt-5ec03c540378d3ab9b5a7f93f7eb325feedc1f41.tar.bz2 |
Rename bltGrMarkerText.C to tkbltGrMarkerText.C
Diffstat (limited to 'src/tkbltGrMarkerText.C')
-rw-r--r-- | src/tkbltGrMarkerText.C | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/src/tkbltGrMarkerText.C b/src/tkbltGrMarkerText.C new file mode 100644 index 0000000..aa9db3d --- /dev/null +++ b/src/tkbltGrMarkerText.C @@ -0,0 +1,275 @@ +/* + * 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 <math.h> +#include <stdlib.h> + +#include "bltGraph.h" +#include "bltGrMarkerText.h" +#include "bltGrMarkerOption.h" +#include "bltGrMisc.h" +#include "bltGrDef.h" +#include "tkbltConfig.h" +#include "bltGrPSOutput.h" + +using namespace Blt; + +static Tk_OptionSpec optionSpecs[] = { + {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor", + "center", -1, Tk_Offset(TextMarkerOptions, anchor), 0, NULL, 0}, + {TK_OPTION_COLOR, "-background", "background", "Background", + NULL, -1, Tk_Offset(TextMarkerOptions, fillColor), + TK_OPTION_NULL_OK, NULL, 0}, + {TK_OPTION_SYNONYM, "-bg", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-background", 0}, + {TK_OPTION_CUSTOM, "-bindtags", "bindTags", "BindTags", + "Text all", -1, Tk_Offset(TextMarkerOptions, tags), + TK_OPTION_NULL_OK, &listObjOption, 0}, + {TK_OPTION_CUSTOM, "-coords", "coords", "Coords", + NULL, -1, Tk_Offset(TextMarkerOptions, worldPts), + TK_OPTION_NULL_OK, &coordsObjOption, 0}, + {TK_OPTION_STRING, "-element", "element", "Element", + NULL, -1, Tk_Offset(TextMarkerOptions, elemName), + TK_OPTION_NULL_OK, NULL, 0}, + {TK_OPTION_SYNONYM, "-fg", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-foreground", 0}, + {TK_OPTION_SYNONYM, "-fill", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-background", 0}, + {TK_OPTION_FONT, "-font", "font", "Font", + STD_FONT_NORMAL, -1, Tk_Offset(TextMarkerOptions, style.font), 0, NULL, 0}, + {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground", + STD_NORMAL_FOREGROUND, -1, Tk_Offset(TextMarkerOptions, style.color), + 0, NULL, 0}, + {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify", + "left", -1, Tk_Offset(TextMarkerOptions, style.justify), 0, NULL, 0}, + {TK_OPTION_BOOLEAN, "-hide", "hide", "Hide", + "no", -1, Tk_Offset(TextMarkerOptions, hide), 0, NULL, 0}, + {TK_OPTION_CUSTOM, "-mapx", "mapX", "MapX", + "x", -1, Tk_Offset(TextMarkerOptions, xAxis), 0, &xAxisObjOption, 0}, + {TK_OPTION_CUSTOM, "-mapy", "mapY", "MapY", + "y", -1, Tk_Offset(TextMarkerOptions, yAxis), 0, &yAxisObjOption, 0}, + {TK_OPTION_SYNONYM, "-outline", NULL, NULL, + NULL, 0, -1, 0, (ClientData)"-foreground", 0}, + {TK_OPTION_DOUBLE, "-rotate", "rotate", "Rotate", + "0", -1, Tk_Offset(TextMarkerOptions, style.angle), 0, NULL, 0}, + {TK_OPTION_STRING, "-text", "text", "Text", + NULL, -1, Tk_Offset(TextMarkerOptions, string), TK_OPTION_NULL_OK, NULL, 0}, + {TK_OPTION_BOOLEAN, "-under", "under", "Under", + "no", -1, Tk_Offset(TextMarkerOptions, drawUnder), 0, NULL, CACHE}, + {TK_OPTION_PIXELS, "-xoffset", "xOffset", "XOffset", + "0", -1, Tk_Offset(TextMarkerOptions, xOffset), 0, NULL, 0}, + {TK_OPTION_PIXELS, "-yoffset", "yOffset", "YOffset", + "0", -1, Tk_Offset(TextMarkerOptions, yOffset), 0, NULL, 0}, + {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0} +}; + +TextMarker::TextMarker(Graph* graphPtr, const char* name, Tcl_HashEntry* hPtr) + : Marker(graphPtr, name, hPtr) +{ + ops_ = (TextMarkerOptions*)calloc(1, sizeof(TextMarkerOptions)); + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + ops->style.anchor =TK_ANCHOR_NW; + ops->style.color =NULL; + ops->style.font =NULL; + ops->style.angle =0; + ops->style.justify =TK_JUSTIFY_LEFT; + + anchorPt_.x =0; + anchorPt_.y =0; + width_ =0; + height_ =0; + fillGC_ =NULL; + + optionTable_ = Tk_CreateOptionTable(graphPtr->interp_, optionSpecs); +} + +TextMarker::~TextMarker() +{ +} + +int TextMarker::configure() +{ + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + ops->style.angle = (float)fmod(ops->style.angle, 360.0); + if (ops->style.angle < 0.0f) + ops->style.angle += 360.0f; + + GC newGC = NULL; + XGCValues gcValues; + unsigned long gcMask; + if (ops->fillColor) { + gcMask = GCForeground; + gcValues.foreground = ops->fillColor->pixel; + newGC = Tk_GetGC(graphPtr_->tkwin_, gcMask, &gcValues); + } + if (fillGC_) + Tk_FreeGC(graphPtr_->display_, fillGC_); + fillGC_ = newGC; + + return TCL_OK; +} + +void TextMarker::draw(Drawable drawable) +{ + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + if (!ops->string) + return; + + if (fillGC_) { + XPoint points[4]; + for (int ii=0; ii<4; ii++) { + points[ii].x = (short int)(outline_[ii].x + anchorPt_.x); + points[ii].y = (short int)(outline_[ii].y + anchorPt_.y); + } + XFillPolygon(graphPtr_->display_, drawable, fillGC_, points, 4, + Convex, CoordModeOrigin); + } + + TextStyle ts(graphPtr_, &ops->style); + ts.drawText(drawable, ops->string, anchorPt_.x, anchorPt_.y); +} + +void TextMarker::map() +{ + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + if (!ops->string) + return; + + if (!ops->worldPts || (ops->worldPts->num < 1)) + return; + + width_ =0; + height_ =0; + + int w, h; + TextStyle ts(graphPtr_, &ops->style); + ts.getExtents(ops->string, &w, &h); + + double rw; + double rh; + graphPtr_->getBoundingBox(w, h, ops->style.angle, &rw, &rh, outline_); + width_ = rw; + height_ = rh; + for (int ii=0; ii<4; ii++) { + outline_[ii].x += rw * 0.5; + outline_[ii].y += rh * 0.5; + } + outline_[4].x = outline_[0].x; + outline_[4].y = outline_[0].y; + + Point2d anchorPtr = mapPoint(ops->worldPts->points, ops->xAxis, ops->yAxis); + anchorPtr = graphPtr_->anchorPoint(anchorPtr.x, anchorPtr.y, + width_, height_, ops->anchor); + anchorPtr.x += ops->xOffset; + anchorPtr.y += ops->yOffset; + + Region2d extents; + extents.left = anchorPtr.x; + extents.top = anchorPtr.y; + extents.right = anchorPtr.x + width_ - 1; + extents.bottom = anchorPtr.y + height_ - 1; + clipped_ = boxesDontOverlap(graphPtr_, &extents); + + anchorPt_ = anchorPtr; +} + +int TextMarker::pointIn(Point2d *samplePtr) +{ + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + if (!ops->string) + return 0; + + if (ops->style.angle != 0.0f) { + Point2d points[5]; + + // Figure out the bounding polygon (isolateral) for the text and see + // if the point is inside of it. + for (int ii=0; ii<5; ii++) { + points[ii].x = outline_[ii].x + anchorPt_.x; + points[ii].y = outline_[ii].y + anchorPt_.y; + } + return pointInPolygon(samplePtr, points, 5); + } + + return ((samplePtr->x >= anchorPt_.x) && + (samplePtr->x < (anchorPt_.x + width_)) && + (samplePtr->y >= anchorPt_.y) && + (samplePtr->y < (anchorPt_.y + height_))); +} + +int TextMarker::regionIn(Region2d *extsPtr, int enclosed) +{ + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + if (ops->style.angle != 0.0f) { + Point2d points[5]; + for (int ii=0; ii<4; ii++) { + points[ii].x = outline_[ii].x + anchorPt_.x; + points[ii].y = outline_[ii].y + anchorPt_.y; + } + return regionInPolygon(extsPtr, points, 4, enclosed); + } + + if (enclosed) + return ((anchorPt_.x >= extsPtr->left) && + (anchorPt_.y >= extsPtr->top) && + ((anchorPt_.x + width_) <= extsPtr->right) && + ((anchorPt_.y + height_) <= extsPtr->bottom)); + + return !((anchorPt_.x >= extsPtr->right) || + (anchorPt_.y >= extsPtr->bottom) || + ((anchorPt_.x + width_) <= extsPtr->left) || + ((anchorPt_.y + height_) <= extsPtr->top)); +} + +void TextMarker::print(PSOutput* psPtr) +{ + TextMarkerOptions* ops = (TextMarkerOptions*)ops_; + + if (!ops->string) + return; + + if (fillGC_) { + Point2d points[4]; + for (int ii=0; ii<4; ii++) { + points[ii].x = outline_[ii].x + anchorPt_.x; + points[ii].y = outline_[ii].y + anchorPt_.y; + } + psPtr->setBackground(ops->fillColor); + psPtr->fillPolygon(points, 4); + } + + TextStyle ts(graphPtr_, &ops->style); + ts.printText(psPtr, ops->string, anchorPt_.x, anchorPt_.y); +} |