163 /* Ignore pressure spans with cumulative press. below this value. */
166 /* Maximum allowed width for pressure-spans.*/
297  * pressure spans along the two axes.
647 	 * For these, there is the need to track pressure-spans and cumulative
1015 	/* Get pressure readings and detect p-spans for both axes. */  in fg_interpret_sensor_data()
1163     fg_pspan  *spans,     /* finger spans */  in fg_detect_pspans()  argument
1164     u_int     *nspans_p)  /* num spans detected */  in fg_detect_pspans()
1180 	memset(spans, 0, max_spans * sizeof(fg_pspan));  in fg_detect_pspans()
1234 			spans[num_spans].width++;  in fg_detect_pspans()
1235 			spans[num_spans].cum += p[i];  in fg_detect_pspans()
1236 			spans[num_spans].cog += p[i] * (i + 1);  in fg_detect_pspans()
1242 	/* post-process the spans */  in fg_detect_pspans()
1244 		/* filter away unwanted pressure spans */  in fg_detect_pspans()
1245 		if ((spans[i].cum < FG_PSPAN_MIN_CUM_PRESSURE) ||  in fg_detect_pspans()
1246 		    (spans[i].width > FG_PSPAN_MAX_WIDTH)) {  in fg_detect_pspans()
1248 				memcpy(&spans[i], &spans[i + 1],  in fg_detect_pspans()
1257 		spans[i].loc = spans[i].cog * FG_SCALE_FACTOR /  in fg_detect_pspans()
1258 			spans[i].cum;  in fg_detect_pspans()
1260 		spans[i].matched = false; /* not yet matched against a stroke */  in fg_detect_pspans()
1487  * Update strokes by matching against current pressure-spans.
1631  * Update strokes by matching against current pressure-spans.
1714 	fg_pspan spans[2][FG_MAX_PSPANS_PER_AXIS];  in fg_add_new_strokes()  local
1722 			spans[X][nspans[X]] = pspans_x[i];  in fg_add_new_strokes()
1728 			spans[Y][nspans[Y]] = pspans_y[j];  in fg_add_new_strokes()
1736 			fg_add_stroke(sc, &spans[X][i], &spans[Y][j]);  in fg_add_new_strokes()
1746 			if (spans[repeat_axis][i].cum > cum) {  in fg_add_new_strokes()
1748 				cum = spans[repeat_axis][i].cum;  in fg_add_new_strokes()
1755 			fg_add_stroke(sc, &spans[X][i], &spans[Y][j]);  in fg_add_new_strokes()