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drawedg.cpp
Go to the documentation of this file.
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/**********************************************************************
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* File: drawedg.c (Formerly drawedge.c)
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* Description: Collection of functions to draw things to do with edge detection.
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* Author: Ray Smith
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* Created: Thu Jun 06 13:29:20 BST 1991
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*
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* (C) Copyright 1991, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#include "
mfcpch.h
"
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#include "
drawedg.h
"
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// Include automatically generated configuration file if running autoconf.
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#ifdef HAVE_CONFIG_H
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#include "config_auto.h"
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#endif
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#ifndef GRAPHICS_DISABLED
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#define IMAGE_WIN_NAME "Edges"
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#define IMAGE_XPOS 250
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#define IMAGE_YPOS 0
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#define EXTERN
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ScrollView
*
create_edges_window
(
ICOORD
page_tr) {
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ScrollView
*
image_win
;
//image window
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//create the window
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image_win =
new
ScrollView
(
IMAGE_WIN_NAME
,
IMAGE_XPOS
,
IMAGE_YPOS
, 0, 0, page_tr.
x
(), page_tr.
y
());
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return
image_win
;
//window
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}
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void
draw_raw_edge
(
ScrollView
* fd,
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CRACKEDGE
*start,
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ScrollView::Color
colour) {
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CRACKEDGE
*edgept;
//current point
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fd->
Pen
(colour);
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edgept = start;
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fd->
SetCursor
(edgept->
pos
.
x
(), edgept->
pos
.
y
());
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do
{
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do
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edgept = edgept->
next
;
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//merge straight lines
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while
(edgept != start && edgept->
prev
->
stepx
== edgept->
stepx
&& edgept->
prev
->
stepy
== edgept->
stepy
);
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//draw lines
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fd->
DrawTo
(edgept->
pos
.
x
(), edgept->
pos
.
y
());
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}
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while
(edgept != start);
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}
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#endif // GRAPHICS_DISABLED
mnt
data
src
tesseract-ocr
textord
drawedg.cpp
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