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comparison include/utils.h @ 7:a43adb9537b2

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author pyon@macmini
date Wed, 19 Oct 2011 07:49:32 +0900
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6:9c85d71cad7c 7:a43adb9537b2
1 // Filename : utils.h
2 // Last Change: 19-Oct-2011.
3 //
4 #ifndef __utils__
5 #define __utils__
6
7 /********** Marksheet **********/
8 bool IsBlack( int r, int g, int b )
9 {
10 if ( r == 0 && g == 0 && b == 0 ) {
11 return true;
12 }
13 return false;
14 };
15
16 wxString GuessHhs( wxString& file )
17 {
18 wxString hhs;
19 wxImage img( file, wxBITMAP_TYPE_JPEG );
20 int sx = 1800; // start x
21 int sy = 315;; // start y
22 int bw = 60; // block width
23 int bh = 50; // block height
24 int area = bw * bh;
25 int black = 0;
26 int x, y;
27 unsigned char r, g, b;
28
29 int max_n;
30 float max;
31 float bk;
32 for ( int c=0; c<10; c++ ) {
33 max = 0.0;
34 max_n = -1;
35 for ( int n=0; n<10; n++ ) {
36
37 for ( x=sx+bw*c; x<sx+bw*(c+1); x++ ) {
38 for ( y=sy+bh*n; y<sy+bh*(n+1); y++ ) {
39 r = img.GetRed( x, y );
40 g = img.GetGreen( x, y );
41 b = img.GetBlue( x, y );
42 if( IsBlack( (int)r, (int)g, (int)b ) ) black++;
43 }
44 }
45
46 bk = (float)black / area;
47 if ( max < bk ) {
48 max = bk;
49 max_n = n;
50 }
51 //wxPuts(wxString::Format(wxT("%d %f"),n,bk));
52 black = 0;
53 }
54 hhs.Append( wxString::Format( wxT("%d"), max_n ) );
55 }
56
57 return hhs;
58 };
59
60 bool IsMarksheet( wxString& file, float* brate, long* len )
61 {
62 wxImage img( file, wxBITMAP_TYPE_JPEG );
63 int black = 0;
64 int x = 2465;
65 int h = 3500;
66 unsigned char r, g, b;
67
68 for ( int y=0; y<h; y++ ) {
69 r = img.GetRed( x, y );
70 g = img.GetGreen( x, y );
71 b = img.GetBlue( x, y );
72 if( IsBlack( (int)r, (int)g, (int)b ) ) black++;
73 }
74 float z = (float)black / h;
75 float zmin = 0.095713;
76 float zmax = 0.108600;
77
78 wxFile f( file );
79 long l = f.Length();
80 float lmin = 2072393;
81 float lmax = 2346082;
82
83 *brate = z;
84 *len = l;
85 //wxPuts(wxString::Format(wxT("z = %f, len = %d"),z,len));
86 if ( zmin < z && z < zmax
87 && lmin < l && l < lmax ) {
88 return true;
89 }
90 return false;
91 };
92
93 /********** Cache **********/
94 class Cache
95 {
96 public:
97 wxString filename; // key
98 wxString z, b;
99 bool marksheet;
100 };
101
102 WX_DECLARE_HASH_MAP( wxString, Cache*, wxStringHash, wxStringEqual, CacheHash )
103
104 bool IsCached( wxString file )
105 {
106 Cache i = new Cache;
107 };
108 #endif // __utils__
109