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 "callcpp.h"  // for C_COL
#include "params.h"   // for BOOL_VAR_H, BoolParam
 
class ScrollView;
 
struct EDGEPT;
struct TBLOB;
struct TESSLINE;
 
/*----------------------------------------------------------------------
              V a r i a b l e s
----------------------------------------------------------------------*/
extern ScrollView *blob_window;        /* Window for blobs */
extern C_COL color_list[];       /* Colors for outlines */
 
extern BOOL_VAR_H(wordrec_display_all_blobs, 0, "Display Blobs");
 
extern BOOL_VAR_H(wordrec_blob_pause, 0, "Blob pause");
 
#define NUM_COLORS 6
 
/*----------------------------------------------------------------------
              F u n c t i o n s
----------------------------------------------------------------------*/
void display_blob(TBLOB *blob, C_COL color);
 
void render_blob(void *window, TBLOB *blob, C_COL color);
 
void render_edgepts(void *window, EDGEPT *edgept, C_COL color);
 
void render_outline(void *window,
                    TESSLINE *outline,
                    C_COL color);
 
#endif