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comparison include/marksheet.h @ 0:7bf900d47e9e

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start mover2
author pyon@macmini
date Sat, 15 Oct 2011 13:24:27 +0900
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children b47bd4618c16
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-1:000000000000 0:7bf900d47e9e
1 // Filename : marksheet.h
2 // Last Change: 06-Oct-2011.
3 //
4 #ifndef __MARKSHEET__
5 #define __MARKSHEET__
6
7
8 #include "wx/utils.h"
9 #include "wx/file.h"
10 #include "wx/string.h"
11 #include "wx/image.h"
12
13 bool IsBlack( int r, int g, int b )
14 {
15 if ( r == 0 && g == 0 && b == 0 ) {
16 return true;
17 }
18 return false;
19 };
20
21 wxString GuessHhs( wxString& file )
22 {
23 wxString hhs;
24 wxImage img( file, wxBITMAP_TYPE_JPEG );
25 int sx = 1800; // start x
26 int sy = 315;; // start y
27 int bw = 60; // block width
28 int bh = 50; // block height
29 int area = bw * bh;
30 int black = 0;
31 int x, y;
32 unsigned char r, g, b;
33
34 int max_n;
35 float max;
36 float bk;
37 for ( int c=0; c<10; c++ ) {
38 max = 0.0;
39 max_n = -1;
40 for ( int n=0; n<10; n++ ) {
41
42 for ( x=sx+bw*c; x<sx+bw*(c+1); x++ ) {
43 for ( y=sy+bh*n; y<sy+bh*(n+1); y++ ) {
44 r = img.GetRed( x, y );
45 g = img.GetGreen( x, y );
46 b = img.GetBlue( x, y );
47 if( IsBlack( (int)r, (int)g, (int)b ) ) black++;
48 }
49 }
50
51 bk = (float)black / area;
52 if ( max < bk ) {
53 max = bk;
54 max_n = n;
55 }
56 //wxPuts(wxString::Format(wxT("%d %f"),n,bk));
57 black = 0;
58 }
59 hhs.Append( wxString::Format( wxT("%d"), max_n ) );
60 }
61
62 return hhs;
63 };
64
65 bool IsMarksheet( wxString& file )
66 {
67 wxImage img( file, wxBITMAP_TYPE_JPEG );
68 int black = 0;
69 int x = 2465;
70 int h = 3500;
71 unsigned char r, g, b;
72
73 for ( int y=0; y<h; y++ ) {
74 r = img.GetRed( x, y );
75 g = img.GetGreen( x, y );
76 b = img.GetBlue( x, y );
77 if( IsBlack( (int)r, (int)g, (int)b ) ) black++;
78 }
79 float z = (float)black / h;
80 float zmin = 0.095713;
81 float zmax = 0.108600;
82
83 wxFile f( file );
84 long l = f.Length();
85 float lmin = 2072393;
86 float lmax = 2346082;
87
88 //wxPuts(wxString::Format(wxT("z = %f, len = %d"),z,len));
89 if ( zmin < z && z < zmax
90 && lmin < l && l < lmax ) {
91 return true;
92 }
93 return false;
94 };
95
96 #endif // __MARKSHEET__
97