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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
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/**********************************************************************
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* File: cube_line_object.h
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* Description: Declaration of the Cube Line Object Class
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* Author: Ahmad Abdulkader
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* Created: 2007
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*
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* (C) Copyright 2008, Google Inc.
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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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// The CubeLineObject implements an objects that holds a line of text
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// Each line is broken into phrases. Phrases are blocks within the line that
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// are unambiguously separate collections of words
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#ifndef CUBE_LINE_OBJECT_H
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#define CUBE_LINE_OBJECT_H
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#include "cube_reco_context.h"
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#include "cube_object.h"
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#include "allheaders.h"
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namespace tesseract {
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class CubeLineObject {
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public:
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CubeLineObject(CubeRecoContext *cntxt, Pix *pix);
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~CubeLineObject();
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// accessors
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inline int PhraseCount() {
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if (!processed_ && !Process()) {
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return 0;
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}
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return phrase_cnt_;
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}
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inline CubeObject **Phrases() {
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if (!processed_ && !Process()) {
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return NULL;
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}
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return phrases_;
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}
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private:
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CubeRecoContext *cntxt_;
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bool own_pix_;
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bool processed_;
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Pix *line_pix_;
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CubeObject **phrases_;
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int phrase_cnt_;
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bool Process();
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// Compute the least word breaking threshold that is required to produce a
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// valid set of phrases. Phrases are validated using the Aspect ratio
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// constraints specified in the language specific Params object
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int ComputeWordBreakThreshold(int con_comp_cnt, ConComp **con_comps,
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bool rtl);
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};
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}
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#endif // CUBE_LINE_OBJECT_H
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