1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/**********************************************************************
* File: drawedg.c (Formerly drawedge.c)
* Description: Collection of functions to draw things to do with edge detection.
* Author: Ray Smith
* Created: Thu Jun 06 13:29:20 BST 1991
*
* (C) Copyright 1991, 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.
*
**********************************************************************/
#include "drawedg.h"
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#ifndef GRAPHICS_DISABLED
/** title of window */
#define IMAGE_WIN_NAME "Edges"
#define IMAGE_XPOS 250
/** default position */
#define IMAGE_YPOS 0
#define EXTERN
/**
* @name create_edges_window
*
* Create the edges window.
* @param page_tr size of image
*/
ScrollView* create_edges_window(ICOORD page_tr) {
ScrollView* image_win; //image window
//create the window
image_win = new ScrollView (IMAGE_WIN_NAME, IMAGE_XPOS, IMAGE_YPOS, 0, 0, page_tr.x (), page_tr.y ());
return image_win; //window
}
/**
* @name draw_raw_edge
*
* Draw the raw steps to the given window in the given colour.
* @param fd window to draw in
* @param start start of loop
* @param colour colour to draw in
*/
void draw_raw_edge(ScrollView* fd,
CRACKEDGE *start,
ScrollView::Color colour) {
CRACKEDGE *edgept; //current point
fd->Pen(colour);
edgept = start;
fd->SetCursor(edgept->pos.x (), edgept->pos.y ());
do {
do
edgept = edgept->next;
//merge straight lines
while (edgept != start && edgept->prev->stepx == edgept->stepx && edgept->prev->stepy == edgept->stepy);
//draw lines
fd->DrawTo(edgept->pos.x (), edgept->pos.y ());
}
while (edgept != start);
}
#endif // GRAPHICS_DISABLED
|
