/// @file Text.hpp Class to represent text. Class declarations.//============================================================================////  This file is part of GPSTk, the GPS Toolkit.////  The GPSTk is free software; you can redistribute it and/or modify//  it under the terms of the GNU Lesser General Public License as published//  by the Free Software Foundation; either version 2.1 of the License, or//  any later version.////  The GPSTk is distributed in the hope that it will be useful,//  but WITHOUT ANY WARRANTY; without even the implied warranty of//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the//  GNU Lesser General Public License for more details.////  You should have received a copy of the GNU Lesser General Public//  License along with GPSTk; if not, write to the Free Software Foundation,//  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA//  //  Copyright 2004, The University of Texas at Austin////============================================================================#ifndef VPLOT_TEXT_H#define VPLOT_TEXT_H#include <string>#include <stdio.h>#include "VPlotException.hpp"#include "TextStyle.hpp"namespace vplot{  /** \addtogroup BasicVectorGraphics */   //@{  /**   * This class defines a text object that is to be displayed in an image.   */  class Text {    public:      /// X coordinate of the text.      double x;       /// Y coordinate of the text.      double y;      /**       * Enumeration of alignment constants       */      enum ALIGNMENT {LEFT, CENTER, RIGHT};      /**       * Constructs text at some coordinate.       * @param str string to appear as text       * @param ix x coordinate of the first point       * @param iy y coordinate of the first point       * @param align enumerated alignment constant, for which direction text        *   is aligned with respect to the (x,y) point       * @param angle angle in degrees the text is to be pointing, starting at zero,       *   counter-clockwise from ---> (3:00)       */      Text(const char* str, double ix, double iy, ALIGNMENT align=LEFT, int angle=0);      /**       * Constructs text at some coordinate.       * @param str string to appear as text       * @param ix x coordinate of the first point       * @param iy y coordinate of the first point       * @param its textStyle describing how this text is supposed to look       * @param align enumerated alignment constant, for which direction text        *   is aligned with respect to the (x,y) point       * @param angle angle in degrees the text is to be pointing, starting at zero,       *   counter-clockwise from ---> (3:00)       */      Text(const char* str, double ix, double iy, TextStyle& its, ALIGNMENT align=LEFT, int angle=0);      /**       * Constructs text at some coordinate.       * @param num number to be converted to text       * @param ix x coordinate of the first point       * @param iy y coordinate of the first point       * @param align enumerated alignment constant, for which direction text        *   is aligned with respect to the (x,y) point       * @param angle angle in degrees the text is to be pointing, starting at zero,       *   counter-clockwise from ---> (3:00)       */      Text(int num, double ix, double iy, ALIGNMENT align=LEFT, int angle=0);      /**       * Constructs text at some coordinate.       * @param num number to be converted to text       * @param ix x coordinate of the first point       * @param iy y coordinate of the first point       * @param its textStyle describing how this text is supposed to look       * @param align enumerated alignment constant, for which direction text        *   is aligned with respect to the (x,y) point       * @param angle angle in degrees the text is to be pointing, starting at zero,       *   counter-clockwise from ---> (3:00)       */      Text(int num, double ix, double iy, TextStyle& its, ALIGNMENT align=LEFT, int angle=0);      /**       * Modifier for the output string of the text.       * @param str string to appear as text       */      void setText(const std::string& str);      /**       * Modifier for the style of the text.       * @param its textStyle describing how this text is supposed to look       */      void setStyle(TextStyle& its);      /**       * Modifier for the position on the image of the text.       * @param ix x coordinate of the first point       * @param iy y coordinate of the first point       */      void setPosition(double ix, double iy);      /**       * Modifier for the angle of the text.       * @param align new enumerated alignment constant, for which direction text        *   is aligned with respect to the (x,y) point       */      void setAlignment(ALIGNMENT align);      /**       * Modifier for the angle of the text.       * @param angle angle in degrees the text is to be pointing, starting at zero,       *   counter-clockwise from ---> (3:00)       */      void setAngle(int angle);      /*       * Accessors       */      /// Accessor to get the text string.      std::string getString(void) const { return textString; }      /// Accessor to see if text as its own style.      bool hasOwnTextStyle(void) const { return hasOwnStyle; }      /// Accessor to get the text style.      TextStyle getStyle(void) const { return textStyle; }      /// Accessor to see if text is centered.      bool isCenter(void) const { return textAlign == CENTER; }      /// Accessor to see if text is aligned anchored left.      bool isLeft(void) const { return textAlign == LEFT; }      /// Accessor to see if text is aligned anchored right.      bool isRight(void) const { return textAlign == RIGHT; }      /// Accessor to get the angle of the text.      int getAngle(void) const { return textAngle; }    protected:    private:      std::string textString;      bool hasOwnStyle;      TextStyle textStyle;      ALIGNMENT textAlign;      int textAngle;  }; // class Text  //@}} // namespace vplot#endif //VPLOT_TEXT_H