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52 lines
2.6 KiB
C
52 lines
2.6 KiB
C
/**********************************************************************
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* File: underlin.h (Formerly undrline.h)
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* Description: Code to chop blobs apart from underlines.
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* Author: Ray Smith
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*
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* (C) Copyright 1994, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#ifndef UNDERLIN_H
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#define UNDERLIN_H
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#include "fpchop.h"
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extern double_VAR_H (textord_underline_offset, 0.1,
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"Fraction of x to ignore");
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extern BOOL_VAR_H (textord_restore_underlines, false,
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"Chop underlines & put back");
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void restore_underlined_blobs( //get chop points
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TO_BLOCK *block //block to do
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);
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TO_ROW *most_overlapping_row( //find best row
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TO_ROW_LIST *rows, //list of rows
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BLOBNBOX *blob //blob to place
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);
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void find_underlined_blobs( //get chop points
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BLOBNBOX *u_line, //underlined unit
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QSPLINE *baseline, //actual baseline
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float xheight, //height of line
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float baseline_offset, //amount to shrinke it
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ICOORDELT_LIST *chop_cells //places to chop
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);
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void vertical_cunderline_projection( //project outlines
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C_OUTLINE *outline, //outline to project
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QSPLINE *baseline, //actual baseline
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float xheight, //height of line
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float baseline_offset, //amount to shrinke it
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STATS *lower_proj, //below baseline
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STATS *middle_proj, //centre region
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STATS *upper_proj //top region
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);
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#endif
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