/usr/include/tesseract/paramsd.h is in libtesseract-dev 3.02.01-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// File: paramsd.cpp
// Description: Tesseract parameter editor
// Author: Joern Wanke
// Created: Wed Jul 18 10:05:01 PDT 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// Tesseract parameter editor is used to edit all the parameters used
// within tesseract from the ui.
#ifndef GRAPHICS_DISABLED
#ifndef VARABLED_H
#define VARABLED_H
#include "elst.h"
#include "scrollview.h"
#include "params.h"
#include "tesseractclass.h"
class SVMenuNode;
// A list of all possible parameter types used.
enum ParamType {
VT_INTEGER,
VT_BOOLEAN,
VT_STRING,
VT_DOUBLE
};
// A rather hackish helper structure which can take any kind of parameter input
// (defined by ParamType) and do a couple of common operations on them, like
// comparisond or getting its value. It is used in the context of the
// ParamsEditor as a bridge from the internal tesseract parameters to the
// ones displayed by the ScrollView server.
class ParamContent : public ELIST_LINK {
public:
// Compare two VC objects by their name.
static int Compare(const void* v1, const void* v2);
// Gets a VC object identified by its ID.
static ParamContent* GetParamContentById(int id);
// Constructors for the various ParamTypes.
ParamContent() {
}
ParamContent(tesseract::StringParam* it);
ParamContent(tesseract::IntParam* it);
ParamContent(tesseract::BoolParam* it);
ParamContent(tesseract::DoubleParam* it);
// Getters and Setters.
void SetValue(const char* val);
const char* GetValue() const;
const char* GetName() const;
const char* GetDescription() const;
int GetId() { return my_id_; }
bool HasChanged() { return changed_; }
private:
// The unique ID of this VC object.
int my_id_;
// Whether the parameter was changed_ and thus needs to be rewritten.
bool changed_;
// The actual ParamType of this VC object.
ParamType param_type_;
tesseract::StringParam* sIt;
tesseract::IntParam* iIt;
tesseract::BoolParam* bIt;
tesseract::DoubleParam* dIt;
};
ELISTIZEH(ParamContent)
// The parameters editor enables the user to edit all the parameters used within
// tesseract. It can be invoked on its own, but is supposed to be invoked by
// the program editor.
class ParamsEditor : public SVEventHandler {
public:
// Integrate the parameters editor as popupmenu into the existing scrollview
// window (usually the pg editor). If sv == null, create a new empty
// empty window and attach the parameter editor to that window (ugly).
ParamsEditor(tesseract::Tesseract*, ScrollView* sv = NULL);
// Event listener. Waits for SVET_POPUP events and processes them.
void Notify(const SVEvent* sve);
private:
// Gets the up to the first 3 prefixes from s (split by _).
// For example, tesseract_foo_bar will be split into tesseract,foo and bar.
void GetPrefixes(const char* s, STRING* level_one,
STRING* level_two, STRING* level_three);
// Gets the first n words (split by _) and puts them in t.
// For example, tesseract_foo_bar with N=2 will yield tesseract_foo_.
void GetFirstWords(const char *s, // source string
int n, // number of words
char *t); // target string
// Find all editable parameters used within tesseract and create a
// SVMenuNode tree from it.
SVMenuNode *BuildListOfAllLeaves(tesseract::Tesseract *tess);
// Write all (changed_) parameters to a config file.
void WriteParams(char* filename, bool changes_only);
ScrollView* sv_window_;
};
#endif
#endif
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