Source code of Windows XP (NT5)
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/* *************************************************************** *//* * Word segmentation algorithm dafinitions & prototypes * *//* *************************************************************** *//* -------------------------------------------------------------- *//* ---- Private - Word segmentation definitions ------------------------- *//* -------------------------------------------------------------- */#ifndef PWS_H_INCLUDED
#define PWS_H_INCLUDED
#include "ws.h"
#define CUT_LINE_POS 3 /* Position of decision line on hist */
#define FL_DIV 8 /* Constant of points filter dist (relative to w.step */
#define PIK_UP 3 /* Constant of hist pik sensing */
#define PIK_DN 3 /* Constant of hist pik sensing */
#define MIN_LINE_EXTR 3 /* Min number of extr for decision about w.step */
#define MIN_FL 2 /* Min len of filtering distance */
#define MAX_FL 100 /* Max len of filtering distance */
#define V_LIMIT 128 /* Max value of hist (not to overflow uchar) */
#define PIK_STEP_CONST 16 /* Relation between line_h_size and pik step */
#define DEF_SEP_LET_LEVEL 30 /* Average sepletovost' v procentax */
#define HORZ_REDUCT 16 /* Compression ratio of HORZ array */
#define HIST_REDUCT 4 /* Compression ratio of HIST arrays */
#define MIN_H_BORD 20 /* Min H of line */
//#define DEF_WORD_DIST (TABLET_DPI/5) /* Default word distance */
//#define DEF_H_STROKE (TABLET_DPI/5) /* Default height of line letters */
//#define MIN_H_STROKE (DEF_H_STROKE/6) /* Min height of valuable stroke */
//#define PIK_STEP (DEF_H_STROKE/6) /* Min distance between steps */
#define MAX_LINES WS_MAX_LINES+1 /* Defaults for memory allocation */
#define MAX_WORDS WS_MAX_WORDS+1 /* Defaults for memory allocation */
#define MAX_STROKES WS_MAX_STROKES+1 /* Defaults for memory allocation */
#define TABLET_XS (WS_TABLET_XS+32) /* Defaults for memory allocation */
#define HORZ_SIZE (TABLET_XS/HORZ_REDUCT) /* Defaults for memory allocation */
#define HIST_SIZE (TABLET_XS/HIST_REDUCT) /* Defaults for memory allocation */
#define WS_NEWLINE 1 /* Cur stroke started new line */
#define WS_ALLSENT 2 /* Cur stroke was last stroke at all */
#define HIST_FIELD 0x3F /* Part of hist byte for value */
#define FL_BODY 0x80 /* Bit flag of body of stroke */
#define ST_FL_JUNK 0x80 /* Stroke flag showing no-pik stroke */
#define ST_FL_NL_GESTURE 0x10 /* Line has leading word split gesture */
#define LN_FL_NL_GESTURE 0x01 /* Line has leading word split gesture */
#define WS_GP_LPUNCT 0x0001 /* Gap flag -- was postprocessed for leading punct */
#define WS_GP_EPUNCT 0x0002 /* Gap flag -- was postprocessed for ending punct */
#define WS_GP_LCAP 0x0004 /* Gap flag -- was postprocessed for capital letter */
//#define WS_GP_UNSURE 0x0008 /* Gap flag -- segm code was unsure about segmenting on this gap */
#define WS_SPNUMEXTRENOUGH 8 /* Line size and pos will be stable after this nuber of extr */
/* -------------------------------------------------------------- *//* ------------------ Internal structures ----------------------- *//* -------------------------------------------------------------- */
typedef struct { _SHORT st; _SHORT end; _SHORT top; _SHORT a_end; } ws_xstrokes_type;
typedef struct { _UCHAR st_gap; _UCHAR en_gap; } ws_xwords_type;
typedef struct { _SHORT loc; _SHORT lst; _SHORT bst; _SHORT size; _SHORT psize; _SHORT blank; _SHORT low; _UCHAR flags; _SCHAR k_sure; } ws_gaps_type, _PTR p_ws_gaps_type;
typedef ws_gaps_type (_PTR ws_gaps_a_type)[XRINP_SIZE];typedef unsigned char (_PTR s_hist_a_type)[HIST_SIZE];
typedef struct { _SHORT h_bord_history; _SHORT inword_dist_history; _SHORT inline_dist_history; _SHORT slope_history; _UCHAR sep_let_history; } ws_lrn_type, _PTR p_ws_lrn_type;
typedef struct { PS_point_type _PTR stroke;
_INT in_x_delay; _INT in_word_dist; _INT in_line_dist; _INT in_flags; _INT sure_level;
_INT def_h_bord; _INT def_sep_let_level;
_INT stroke_flags; _INT stroke_num_points; _INT stroke_min_x; _INT stroke_max_x; _INT stroke_min_y; _INT stroke_max_y; _INT stroke_dx; _INT stroke_dy; _INT stroke_wx_pos; _INT stroke_wy_pos; _INT stroke_filt_len; _INT stroke_active_st; _INT stroke_active_end;
_INT prev_stroke_dx; _INT prev_stroke_dy;
_INT line_flags; _INT line_word_dist; _INT line_inword_dist; _INT line_inline_dist; _INT line_h_bord; _INT line_st_stroke; _INT line_st_word; _INT line_start; _INT line_end; _INT line_active_start; _INT line_active_end; _INT line_extr; _INT line_cur_stroke; _INT line_word_len; _INT line_sw_sp; _INT line_bw_sp; _INT line_sep_let_level; _INT line_last_ws_try; _INT line_pik_step; _INT line_ngaps; _INT line_finished;
_INT global_num_words; _INT global_cur_stroke; _INT global_cur_line;
_INT global_word_dist; _INT global_inword_dist; _INT global_inline_dist; _INT global_sep_let_level;
_INT global_num_extr; _INT global_word_len;
_INT global_h_bord; _INT global_dy_sum; _INT global_num_dy_strokes; _INT global_line_ave_y_size;
_INT global_bw_sp; _INT global_sw_sp;
_INT global_slope; _LONG global_slope_dx; _LONG global_slope_dy;
_INT s_hist_base; _UCHAR hist[HIST_SIZE]; s_hist_a_type s_hist; _SHORT horz[HORZ_SIZE]; ws_xstrokes_type xstrokes[MAX_STROKES]; ws_xwords_type xwords[MAX_WORDS]; ws_gaps_a_type gaps; _ULONG gaps_handle;
// --- debug ---
_INT ws_ssp; _INT ws_bsp; _INT ws_inline_dist; _INT ws_word_dist; _INT ws_action;
// -- NN data --
_INT nn_ssp; _INT nn_n_ssp; _INT nn_bsp; _INT nn_n_bsp; _INT nn_sl; _INT nn_inw_dist; _INT nn_npiks;
_INT nn_cmp_min; _INT nn_cmp_max; _UCHAR (_PTR cmp)[WS_MAX_WORDS];
} ws_data_type, _PTR p_ws_data_type;
typedef struct { _ULONG hwsd; p_ws_data_type pwsd; ws_lrn_type lrn; ws_lrn_type lrn_buf[WS_LRN_SIZE]; } ws_memory_header_type, _PTR p_ws_memory_header_type;
/* ------------------ Internal function prototypes -------------- */
_INT InitWSData(p_ws_control_type pwsc, p_ws_memory_header_type _PTR ppwmh);_INT ReleaseWSData(p_ws_control_type pwsc, p_ws_memory_header_type _PTR ppwmh);_INT UnlockWSData(p_ws_control_type pwsc, p_ws_memory_header_type _PTR ppwmh);_INT InitForNewLine(p_ws_data_type pwsd);_INT WS_GetStrokeBoxAndSlope(p_ws_data_type pws_data);_INT WS_HistTheStroke(p_ws_data_type pws_data);_INT WS_NewLine(p_ws_data_type pws_data);_INT CheckForSpaceGesture(p_ws_data_type pws_data);_INT WS_WriteStrokeHorzValues(p_ws_data_type pws_data);_INT WS_AddStrokeToHist(p_ws_data_type pws_data);_INT WS_SetLineVars(p_ws_data_type pws_data);_INT WS_CalcLineHeight(p_ws_data_type pws_data);_INT WS_GetWordDist(p_ws_data_type pws_data);_INT WS_CalcGaps(p_ws_data_type pws_data);_INT WS_CountPiks(p_ws_data_type pws_data);_INT WS_FlyLearn(p_ws_control_type pwsc, p_ws_memory_header_type pwmh, p_ws_data_type pws_data);_INT WS_PostprocessGaps(p_ws_data_type pwsd);
#endif // PWS_H_INCLUDED
/* *************************************************************** *//* * Word segmentation prototypes END * *//* *************************************************************** */
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