92 lines
5 KiB
C
92 lines
5 KiB
C
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/* *************************************************************** */
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/* * Word segmentation algorithm dafinitions & prototypes * */
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/* *************************************************************** */
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#ifndef WS_H_INCLUDED
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#define WS_H_INCLUDED
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/* ---- Public -- Word segmentation definitions ------------------------- */
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/* Defines for memory max allocation and array sizes */
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#define WS_MAX_LINES 128 /* Max allowed number of lines during the single session */
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#define WS_MAX_WORDS 128 /* Max words per session */
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#define WS_MAX_STROKES 128 /* Max strokes per session */
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#define WS_LRN_SIZE 4 /* Size of memory for learning (in words) */
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#define WS_TABLET_XS 8000 /* Max value of x coord from the tablet */
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#define WS_TABLET_DPI 400 /* Reference tablet DPI */
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#define WS_FL_TENTATIVE 0x01 /* Current (last) word, not segmented yet -- all unattached strokes */
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#define WS_FL_FINISHED 0x02 /* Word finished flag -- will not be changed any more */
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#define WS_FL_CHANGED 0x04 /* Word changed flag -- word was changed since last flag-reset(by recognition routine) */
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#define WS_FL_PROCESSED 0x08 /* Word used flag -- word was captured by calling program -- can't be changed any more */
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#define WS_FL_CARRYDASH 0x10 /* Last word on the line has 'carry' dash at the end */
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#define WS_FL_NL_GESTURE 0x20 /* Word has leading word split gesture */
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#define WS_FL_SPSURE 0x40 /* Size and pos of baseline are reliable for the word */
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#define WS_FL_LEARNED 0x80 /* Word was already used for learning */
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#define WS_FL_LAST 0x01 /* Input flag -- it is last stroke */
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#define WS_FL_FAKE 0x02 /* Input flag -- it is fake stroke */
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#define WS_FL_SPGESTURE 0x04 /* Input flag -- do check for space gesture */
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#define WS_FL_CLOSE 0x80 /* Input flag -- command to free all memory, forget learning */
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#define WS_FLS_UNSURE 0x01 /* Out flag for a stroke -- segm code was unsure about segmenting on this gap */
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/* -------------- Word segmentation definitions ------------------------- */
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typedef struct {
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_UCHAR flags; /* Word flags */
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_UCHAR line_num; /* Num line */
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_UCHAR word_num; /* Num word in line */
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_UCHAR seg_sure; /* Segmentation confidence */
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_UCHAR sep_let_level; /* Sepletovost up to now */
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_SCHAR slope; /* Sepletovost up to now */
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_UCHAR first_stroke_index; /* Loc of first word stroke in stroke index array */
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_UCHAR num_strokes; /* Number of strokes assigned to the word */
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_SHORT word_mid_line; /* Y coord of word middle line */
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_SHORT ave_h_bord; /* Ave size of word borders */
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_SHORT word_x_st; /* X coord of word start */
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_SHORT word_x_end; /* X coord of word end */
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_SHORT writing_step; /* Writing step up to now */
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} word_strokes_type, _PTR p_word_strokes_type;
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typedef word_strokes_type (_PTR p_word_strokes_array_type)[WS_MAX_WORDS];
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typedef struct {
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_UCHAR num_words; /* Num of created words */
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_UCHAR num_finished_words; /* Num of finished words */
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_UCHAR num_finished_strokes; /* Num of eternally finished strokes */
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p_word_strokes_array_type pwsa;
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_UCHAR stroke_index[WS_MAX_STROKES];
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_SCHAR k_surs[WS_MAX_STROKES];
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} ws_results_type, _PTR p_ws_results_type;
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typedef struct {
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_INT num_points; /* Number of points in current stroke */
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_INT flags; /* Last, fake stroke attributes, etc */
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_INT x_delay; /* Xdist to the end of line, which if prohibited for split */
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_INT sure_level; /* Input sure threshhold for NN segmentation */
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_INT word_dist_in; /* Input distance between words -- overwrites internal calculations */
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_INT line_dist_in; /* Input distance between lines -- overwrites internal calculations */
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// _INT tablet_max_x; /* Horizontal tablet coord range (used for memory allocation) */
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_INT def_h_line; /* Average estimated height of small letters in text */
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_ULONG hdata; /* Handle to internal data storage */
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_UCHAR (_PTR cmp)[WS_MAX_WORDS]; /* Debug cmp array */
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} ws_control_type, _PTR p_ws_control_type;
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/* ------------------ Export function prototypes -------------- */
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#endif // WS_H_INCLUDED
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/* *************************************************************** */
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/* * Word segmentation prototypes END * */
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/* *************************************************************** */
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