text.cpp

Go to the documentation of this file.

#ifndef TEXT_IMPLEMENTATION_FILE
#define TEXT_IMPLEMENTATION_FILE

/*****************************************************************************\
*                                                                             *
*  Name   : text                                                              *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 1991-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "text.h"
#include "khwmuser.h"
#include "wp_implementation.h"

text::text(char *to_print, const c_point &origin, canvas *draw_on,
  fontID font_to_use) : _font(font_to_use), _rotation(0),
  _contents(to_print), drawable(origin, draw_on) {}

text::~text() {}

void text::set_contents(char *to_print) { _contents = to_print; }

fontID text::font() const { return _font; }

void text::set_font(fontID text_font) { _font = text_font; }

int text::rotation() const { return _rotation; }

void text::set_rotation(int rotation) { _rotation = rotation; }

void text::goto_xy(float x, float y) { goto_xy(c_point(x, y)); }

char *text::contents() { return _contents; }

void text::draw()
{
  screen_change_prefix();
  c_point position(origin().x, warp_y(origin().y + height() - 1));
  int col = _color.color();
  KHWM_font_setAttrib(_font, col, _rotation);
  KHWM_font_outstring(_canvas()->handle(), position.x, position.y, _contents);
  screen_change_suffix();
}

void text::erase()
{
  screen_change_prefix();
  c_point position(origin().x, warp_y(origin().y + height() - 1));
  int col = _canvas()->background();
  KHWM_font_setAttrib(_font, col, _rotation);
  KHWM_font_outstring
    (_canvas()->handle(), position.x, position.y, _contents);
  screen_change_suffix();
}

c_rectangle text::dimensions()
{
  KHWM_font_setAttrib(_font, _color.color(), _rotation);
  return c_rectangle(origin(), origin()
    + c_point(KHWM_font_getwidth(_contents),
        KHWM_font_getheight(_contents)) );
}

fontID text::read_font(char *font_filename)
{
  int return_code = KHWM_font_load(font_filename);
  if (return_code < 0) _font = 0;
  else _font = return_code;
  return return_code;
}

void text::goto_xy(const c_point &xy)
{
  string hold_contents(_contents);
  _contents = "X";
  float font_height = height();
  float font_width = width();
  _contents = hold_contents;
  set_origin(c_point(xy.x * font_width + 1,
      warp_y(xy.y * font_height + font_height + 1)));
}

#endif //TEXT_IMPLEMENTATION_FILE

---