summaryrefslogtreecommitdiffstats
path: root/tkblt/generic/tkbltGrMarkerText.C
diff options
context:
space:
mode:
Diffstat (limited to 'tkblt/generic/tkbltGrMarkerText.C')
-rw-r--r--tkblt/generic/tkbltGrMarkerText.C276
1 files changed, 276 insertions, 0 deletions
diff --git a/tkblt/generic/tkbltGrMarkerText.C b/tkblt/generic/tkbltGrMarkerText.C
new file mode 100644
index 0000000..9c4da2a
--- /dev/null
+++ b/tkblt/generic/tkbltGrMarkerText.C
@@ -0,0 +1,276 @@
+/*
+ * 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 <stdlib.h>
+
+#include <cmath>
+
+#include "tkbltGraph.h"
+#include "tkbltGrMarkerText.h"
+#include "tkbltGrMarkerOption.h"
+#include "tkbltGrMisc.h"
+#include "tkbltGrDef.h"
+#include "tkbltConfig.h"
+#include "tkbltGrPSOutput.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 < 0.0)
+ ops->style.angle += 360.0;
+
+ 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)(outline_[ii].x + anchorPt_.x);
+ points[ii].y = (short)(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_ = (int)rw;
+ height_ = (int)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 != 0.0) {
+ 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 != 0.0) {
+ 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);
+}
generated by cgit v0.12 at 2024-11-05 00:52:55 (GMT)