render.h

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/******************************************************************************
 *
 * File:         render.h
 * Description:  Convert the various data type into line lists
 * Author:       Mark Seaman, OCR Technology
 *
 * (c) Copyright 1989, Hewlett-Packard Company.
 ** 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.
 *
 *****************************************************************************/
#ifndef RENDER_H
#define RENDER_H
 
#include "params.h"     // for BOOL_VAR_H, BoolParam
#include "scrollview.h" // ScrollView
 
namespace tesseract {
 
struct EDGEPT;
struct TBLOB;
struct TESSLINE;
 
/*----------------------------------------------------------------------
              V a r i a b l e s
----------------------------------------------------------------------*/
extern ScrollView *blob_window;        // Window for blobs
extern ScrollView::Color color_list[]; // Colors for outlines
 
extern BOOL_VAR_H(wordrec_display_all_blobs);
 
extern BOOL_VAR_H(wordrec_blob_pause);
 
#define NUM_COLORS 6
 
/*----------------------------------------------------------------------
              F u n c t i o n s
----------------------------------------------------------------------*/
void display_blob(TBLOB *blob, ScrollView::Color color);
 
void render_blob(ScrollView *window, TBLOB *blob, ScrollView::Color color);
 
void render_edgepts(ScrollView *window, EDGEPT *edgept, ScrollView::Color color);
 
void render_outline(ScrollView *window, TESSLINE *outline, ScrollView::Color color);
 
} // namespace tesseract
 
#endif