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comparison src/testtune.cpp @ 0:7bf900d47e9e

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start mover2
author pyon@macmini
date Sat, 15 Oct 2011 13:24:27 +0900
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-1:000000000000 0:7bf900d47e9e
1 // Filename : testtune.cpp
2 // Last Change: 13-Oct-2011.
3 //
4
5 #include "wx/utils.h"
6 #include "wx/file.h"
7 #include "wx/string.h"
8 #include "wx/app.h"
9 #include "wx/image.h"
10
11 bool IsBlack( int r, int g, int b )
12 {
13 if ( r == 0 && g == 0 && b == 0 ) {
14 return true;
15 }
16 return false;
17 }
18
19 wxString GuessHhs( wxString& file )
20 {
21 wxString hhs;
22 wxImage img( file, wxBITMAP_TYPE_JPEG );
23 int sx = 1800; // start x
24 int sy = 315;; // start y
25 int bw = 60; // block width
26 int bh = 50; // block height
27 int area = bw * bh;
28 int black = 0;
29 int x, y;
30 unsigned char r, g, b;
31
32 int max_n;
33 float max;
34 float bk;
35 for ( int c=0; c<10; c++ ) {
36 max = 0.0;
37 max_n = -1;
38 for ( int n=0; n<10; n++ ) {
39
40 for ( x=sx+bw*c; x<sx+bw*(c+1); x++ ) {
41 for ( y=sy+bh*n; y<sy+bh*(n+1); y++ ) {
42 r = img.GetRed( x, y );
43 g = img.GetGreen( x, y );
44 b = img.GetBlue( x, y );
45 if( IsBlack( (int)r, (int)g, (int)b ) ) black++;
46 }
47 }
48
49 bk = (float)black / area;
50 if ( max < bk ) {
51 max = bk;
52 max_n = n;
53 }
54 //wxPuts(wxString::Format(wxT("%d %f"),n,bk));
55 black = 0;
56 }
57 hhs.Append( wxString::Format( wxT("%d"), max_n ) );
58 }
59
60 return hhs;
61 }
62
63 bool IsMarksheet( wxString& file )
64 {
65 wxImage img( file, wxBITMAP_TYPE_JPEG );
66 int black = 0;
67 int x = 2465;
68 int h = 3500;
69 unsigned char r, g, b;
70
71 for ( int y=0; y<h; y++ ) {
72 r = img.GetRed( x, y );
73 g = img.GetGreen( x, y );
74 b = img.GetBlue( x, y );
75 if( IsBlack( (int)r, (int)g, (int)b ) ) black++;
76 }
77 float z = (float)black / h;
78 float zmin = 0.095713;
79 float zmax = 0.108600;
80
81 wxFile f( file );
82 long l = f.Length();
83 float lmin = 2072393;
84 float lmax = 2346082;
85
86 wxPuts(wxString::Format(wxT("z = %f, len = %d"),z,l));
87 if ( zmin < z && z < zmax
88 && lmin < l && l < lmax ) {
89 return true;
90 }
91 return false;
92 }
93
94 int main( int argc, char **argv )
95 {
96 wxInitAllImageHandlers();
97 wxString file = wxT("img999.jpg");
98
99 if ( IsMarksheet( file ) ) wxPuts(file+wxT(" is perhaps marksheet !"));
100 wxString hhs = GuessHhs( file );
101 wxPuts(hhs);
102
103 }
104