1 #ifndef link__h

     2 #define link__h

     3 

     4 int init_link_vars();

     5 extern int ENABLE_USER_INTERFACE;

     6 extern int DISPLAY_SPELLING_MISTAKES;

     7 extern double ZONING_SCALE_FACTOR;

     8 extern double SCALE_FACTOR;

     9 extern int NoiseTolerance;     // Minimum number of pixels in row of text 

    10 extern int MinLineSize;        // Minimum number of rows in a line of text

    11 extern int MinVertSeparation;  // Minimum number of rows between lines of tex

    12 extern int MinHorizSeparation; // Minimum number of blank pixels btween chars

    13 extern int ConfidenceThreshold;// Minimum confidence for some operations

    14 extern int JoinTolerance;     // Maximum number of pixels in a column

    15                                       // joining two fused characters

    16 

    17 extern double MaxHWRatio;      // Max H/W ratio of learned set

    18 extern int MinWidth;            // minimum component width in learned set

    19 

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    22 // The next three are used in character grouping

    23 extern unsigned int NumCharGroups;

    24 extern int MaxVertSize;        // Max vert pixels in char (used for baseline)

    25 extern int BaseLineTolerance;  // How far from baseline is okay 1/%linesize

    26 extern int TopLineTolerance;   // How far from topline is okay 1/%linesize

    27 

    28 /* Constants for the number of horizontal and vertical divisions 

    29    for determining the gray scale property vector for each component */

    30 

    31 extern int NumHorizDiv;        //Number of horizontal divisions

    32 extern int NumVertDiv;         //Number of vertical divisions

    33 

    34 #endif

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