drawfx.cpp

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/**********************************************************************
 * File:        drawfx.cpp
 * Description: Draw things to do with feature extraction.
 * Author:      Ray Smith
 *
 * (C) Copyright 1992, Hewlett-Packard Ltd.
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 ** http://www.apache.org/licenses/LICENSE-2.0
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 *
 **********************************************************************/
 
#ifdef HAVE_CONFIG_H
#  include "config_auto.h"
#endif
 
#include "drawfx.h"
 
#include "normalis.h"
#include "werd.h"
 
namespace tesseract {
 
#ifndef GRAPHICS_DISABLED
 
#  define FXDEMOWIN "FXDemo"
#  define FXDEMOXPOS 250
#  define FXDEMOYPOS 0
#  define FXDEMOXSIZE 600
#  define FXDEMOYSIZE 256
#  define BLN_MAX 512 // max coord for bln
#  define WERDWIDTH (BLN_MAX * 20)
// title of window
#  define DEBUG_WIN_NAME "FXDebug"
 
ScrollView *fx_win = nullptr;
 
/**********************************************************************
 * create_fx_win
 *
 * Create the fx window used to show the fit.
 **********************************************************************/
 
void create_fx_win() { // make features win
  fx_win = new ScrollView(FXDEMOWIN, FXDEMOXPOS, FXDEMOYPOS, FXDEMOXSIZE, FXDEMOYSIZE,
                          WERDWIDTH * 2, BLN_MAX * 2, true);
}
 
/**********************************************************************
 * clear_fx_win
 *
 * Clear the fx window and draw on the base/mean lines.
 **********************************************************************/
 
void clear_fx_win() { // make features win
  fx_win->Clear();
  fx_win->Pen(64, 64, 64);
  fx_win->Line(-WERDWIDTH, kBlnBaselineOffset, WERDWIDTH, kBlnBaselineOffset);
  fx_win->Line(-WERDWIDTH, kBlnXHeight + kBlnBaselineOffset, WERDWIDTH,
               kBlnXHeight + kBlnBaselineOffset);
}
 
#endif // !GRAPHICS_DISABLED
 
/**********************************************************************
 * create_fxdebug_win
 *
 * Create the fx window used to show the fit.
 **********************************************************************/
 
void create_fxdebug_win() { // make gradients win
}
 
} // namespace tesseract