2006 lines
104 KiB
XML
2006 lines
104 KiB
XML
<?xml version="1.0"?>
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<doc>
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<assembly>
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<name>Tesseract</name>
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</assembly>
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<members>
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<member name="T:Tesseract.AggregateResultRenderer">
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<summary>
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Aggregate result renderer.
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</summary>
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</member>
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<member name="T:Tesseract.AggregateResultRenderer.EndDocumentOnDispose">
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<summary>
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Ensures the renderer's EndDocument when disposed off.
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</summary>
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</member>
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<member name="M:Tesseract.AggregateResultRenderer.#ctor(Tesseract.IResultRenderer[])">
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<summary>
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Create a new aggregate result renderer with the specified child result renderers.
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</summary>
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<param name="resultRenderers">The child result renderers.</param>
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</member>
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<member name="M:Tesseract.AggregateResultRenderer.#ctor(System.Collections.Generic.IEnumerable{Tesseract.IResultRenderer})">
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<summary>
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Create a new aggregate result renderer with the specified child result renderers.
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</summary>
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<param name="resultRenderers">The child result renderers.</param>
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</member>
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<member name="P:Tesseract.AggregateResultRenderer.PageNumber">
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<summary>
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Get's the current page number.
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</summary>
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</member>
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<member name="P:Tesseract.AggregateResultRenderer.ResultRenderers">
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<summary>
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Get's the child result renderers.
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</summary>
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</member>
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<member name="M:Tesseract.AggregateResultRenderer.AddPage(Tesseract.Page)">
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<summary>
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Adds a page to each of the child result renderers.
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</summary>
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<param name="page"></param>
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<returns></returns>
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</member>
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<member name="M:Tesseract.AggregateResultRenderer.BeginDocument(System.String)">
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<summary>
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Begins a new document with the specified title.
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</summary>
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<param name="title">The title of the document.</param>
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<returns></returns>
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</member>
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<member name="T:Tesseract.BitmapHelper">
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<summary>
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Description of BitmapHelper.
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</summary>
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</member>
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<member name="T:Tesseract.ChoiceIterator">
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<summary>
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Class to iterate over the classifier choices for a single symbol.
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</summary>
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</member>
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<member name="M:Tesseract.ChoiceIterator.Next">
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<summary>
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Moves to the next choice for the symbol and returns false if there are none left.
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</summary>
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<returns>true|false</returns>
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</member>
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<member name="M:Tesseract.ChoiceIterator.GetConfidence">
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<summary>
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Returns the confidence of the current choice.
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</summary>
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<remarks>
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The number should be interpreted as a percent probability. (0.0f-100.0f)
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</remarks>
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<returns>float</returns>
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</member>
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<member name="M:Tesseract.ChoiceIterator.GetText">
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<summary>
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Returns the text string for the current choice.
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</summary>
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<returns>string</returns>
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</member>
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<member name="T:Tesseract.ElementProperties">
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<summary>
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Represents properties that describe a text block's orientation.
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</summary>
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</member>
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<member name="P:Tesseract.ElementProperties.Orientation">
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<summary>
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Gets the <see cref="P:Tesseract.ElementProperties.Orientation" /> for corresponding text block.
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</summary>
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</member>
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<member name="P:Tesseract.ElementProperties.TextLineOrder">
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<summary>
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Gets the <see cref="P:Tesseract.ElementProperties.TextLineOrder" /> for corresponding text block.
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</summary>
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</member>
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<member name="P:Tesseract.ElementProperties.WritingDirection">
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<summary>
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Gets the <see cref="P:Tesseract.ElementProperties.WritingDirection" /> for corresponding text block.
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</summary>
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</member>
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<member name="P:Tesseract.ElementProperties.DeskewAngle">
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<summary>
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Gets the angle the page would need to be rotated to deskew the text block.
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</summary>
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</member>
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<member name="F:Tesseract.EngineMode.TesseractOnly">
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<summary>
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Only the legacy tesseract OCR engine is used.
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</summary>
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</member>
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<member name="F:Tesseract.EngineMode.LstmOnly">
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<summary>
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Only the new LSTM-based OCR engine is used.
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</summary>
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</member>
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<member name="F:Tesseract.EngineMode.TesseractAndLstm">
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<summary>
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Both the legacy and new LSTM based OCR engine is used.
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</summary>
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</member>
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<member name="F:Tesseract.EngineMode.Default">
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<summary>
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The default OCR engine is used (currently LSTM-ased OCR engine).
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</summary>
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</member>
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<member name="M:Tesseract.Internal.Guard.Require(System.String,System.Boolean)">
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<summary>
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Ensures the given <paramref name="condition"/> is true.
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</summary>
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<exception cref="T:System.ArgumentException">The <paramref name="condition"/> is not true.</exception>
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<param name="paramName">The name of the parameter, used when generating the exception.</param>
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<param name="condition">The value of the parameter to check.</param>
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</member>
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<member name="M:Tesseract.Internal.Guard.Require(System.String,System.Boolean,System.String)">
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<summary>
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Ensures the given <paramref name="condition"/> is true.
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</summary>
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<exception cref="T:System.ArgumentException">The <paramref name="condition"/> is not true.</exception>
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<param name="paramName">The name of the parameter, used when generating the exception.</param>
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<param name="condition">The value of the parameter to check.</param>
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<param name="message">The error message.</param>
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</member>
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<member name="M:Tesseract.Internal.Guard.Require(System.String,System.Boolean,System.String,System.Object[])">
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<summary>
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Ensures the given <paramref name="condition"/> is true.
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</summary>
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<exception cref="T:System.ArgumentException">The <paramref name="condition"/> is not true.</exception>
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<param name="paramName">The name of the parameter, used when generating the exception.</param>
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<param name="condition">The value of the parameter to check.</param>
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<param name="message">The error message.</param>
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<param name="args">The message argument used to format <paramref name="message" />.</param>
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</member>
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<member name="M:Tesseract.Internal.Guard.RequireNotNullOrEmpty(System.String,System.String)">
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<summary>
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Ensures the given <paramref name="value"/> is not null or empty.
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</summary>
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<exception cref="T:System.ArgumentException">The <paramref name="value"/> is null or empty.</exception>
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<param name="paramName">The name of the parameter, used when generating the exception.</param>
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<param name="value">The value of the parameter to check.</param>
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</member>
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<member name="M:Tesseract.Internal.Guard.Verify(System.Boolean,System.String,System.Object[])">
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<summary>
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Verifies the given <paramref name="condition"/> is <c>True</c>; throwing an <see cref="T:System.InvalidOperationException"/> when the condition is not met.
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</summary>
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<param name="condition">The condition to be tested.</param>
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<param name="message">The error message to raise if <paramref name="condition"/> is <c>False</c>.</param>
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<param name="args">Optional formatting arguments.</param>
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</member>
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<member name="T:Tesseract.Internal.TessConvert">
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<summary>
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Utility helpers to handle converting variable values.
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</summary>
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</member>
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<member name="T:Tesseract.Interop.ITessApiSignatures">
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<summary>
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The exported tesseract api signatures.
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</summary>
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<remarks>
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Please note this is only public for technical reasons (you can't proxy a internal interface).
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It should be considered an internal interface and is NOT part of the public api and may have
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breaking changes between releases.
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</remarks>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.BaseApiCreate">
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<summary>
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Creates a new BaseAPI instance
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</summary>
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<returns></returns>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.BaseApiDelete(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Deletes a base api instance.
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</summary>
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<returns></returns>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.ResultIteratorGetChoiceIterator(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Native API call to TessResultIteratorGetChoiceIterator
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</summary>
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<param name="handle"></param>
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<returns></returns>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.ChoiceIteratorDelete(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Native API call to TessChoiceIteratorDelete
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</summary>
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<param name="handle"></param>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.ChoiceIteratorNext(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Native API call to TessChoiceIteratorNext
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</summary>
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<param name="handle"></param>
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<returns></returns>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.ChoiceIteratorGetUTF8TextInternal(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Native API call to TessChoiceIteratorGetUTF8Text
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</summary>
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<param name="handle"></param>
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<returns></returns>
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</member>
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<member name="M:Tesseract.Interop.ITessApiSignatures.ChoiceIteratorGetConfidence(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Native API call to TessChoiceIteratorConfidence
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</summary>
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<param name="handle"></param>
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<returns></returns>
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</member>
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<member name="M:Tesseract.Interop.TessApi.ChoiceIteratorGetUTF8Text(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Returns the null terminated UTF-8 encoded text string for the current choice
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</summary>
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<remarks>
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NOTE: Unlike LTRResultIterator::GetUTF8Text, the return points to an
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internal structure and should NOT be delete[]ed to free after use.
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</remarks>
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<param name="choiceIteratorHandle"></param>
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<returns>string</returns>
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</member>
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<member name="T:Tesseract.Interop.Constants">
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<summary>
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Description of Constants.
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</summary>
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</member>
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<member name="T:Tesseract.Interop.HostProcessInfo">
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<summary>
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Provides information about the hosting process.
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</summary>
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</member>
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<member name="T:Tesseract.Interop.ILeptonicaApiSignatures">
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<summary>
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The exported leptonica api signatures.
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</summary>
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<remarks>
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Please note this is only public for technical reasons (you can't proxy a internal interface).
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It should be considered an internal interface and is NOT part of the public api and may have
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breaking changes between releases.
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</remarks>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapCreate(System.Int32)">
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<summary>
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Creates a new colormap with the specified <paramref name="depth"/>.
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</summary>
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<param name="depth">The depth of the pix in bpp, can be 2, 4, or 8</param>
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<returns>The pointer to the color map, or null on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapCreateRandom(System.Int32,System.Int32,System.Int32)">
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<summary>
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Creates a new colormap of the specified <paramref name="depth"/> with random colors where the first color can optionally be set to black, and the last optionally set to white.
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</summary>
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<param name="depth">The depth of the pix in bpp, can be 2, 4, or 8</param>
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<param name="hasBlack">If set to 1 the first color will be black.</param>
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<param name="hasWhite">If set to 1 the last color will be white.</param>
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<returns>The pointer to the color map, or null on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapCreateLinear(System.Int32,System.Int32)">
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<summary>
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Creates a new colormap of the specified <paramref name="depth"/> with equally spaced gray color values.
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</summary>
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<param name="depth">The depth of the pix in bpp, can be 2, 4, or 8</param>
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<param name="levels">The number of levels (must be between 2 and 2^<paramref name="depth"/></param>
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<returns>The pointer to the colormap, or null on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapCopy(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Performs a deep copy of the color map.
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</summary>
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<param name="cmaps">The pointer to the colormap instance.</param>
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<returns>The pointer to the colormap, or null on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapDestroy(System.IntPtr@)">
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<summary>
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Destorys and cleans up any memory used by the color map.
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</summary>
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<param name="cmap">The pointer to the colormap instance, set to null on success.</param>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetCount(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Gets the number of color entries in the color map.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<returns>Returns the number of color entries in the color map, or 0 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetFreeCount(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Gets the number of free color entries in the color map.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<returns>Returns the number of free color entries in the color map, or 0 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetDepth(System.Runtime.InteropServices.HandleRef)">
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<returns>Returns color maps depth, or 0 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetMinDepth(System.Runtime.InteropServices.HandleRef,System.Int32@)">
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<summary>
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Gets the minimum pix depth required to support the color map.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="minDepth">Returns the minimum depth to support the colormap</param>
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<returns>Returns 0 if OK, 1 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapClear(System.Runtime.InteropServices.HandleRef)">
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<summary>
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Removes all colors from the color map by setting the count to zero.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<returns>Returns 0 if OK, 1 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapAddColor(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32)">
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<summary>
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Adds the color to the pix color map if their is room.
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</summary>
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<returns>Returns 0 if OK, 1 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapAddNewColor(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32,System.Int32@)">
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<summary>
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Adds the specified color if it doesn't already exist, returning the colors index in the data array.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="redValue">The red value</param>
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<param name="greenValue">The green value</param>
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<param name="blueValue">The blue value</param>
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<param name="colorIndex">The index of the new color if it was added, or the existing color if it already existed.</param>
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<returns>Returns 0 for success, 1 for error, 2 for not enough space.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapAddNearestColor(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32,System.Int32@)">
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<summary>
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Adds the specified color if it doesn't already exist, returning the color's index in the data array.
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</summary>
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<remarks>
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If the color doesn't exist and there is not enough room to add a new color return the nearest color.
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</remarks>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="redValue">The red value</param>
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<param name="greenValue">The green value</param>
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<param name="blueValue">The blue value</param>
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<param name="colorIndex">The index of the new color if it was added, or the existing color if it already existed.</param>
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<returns>Returns 0 for success, 1 for error, 2 for not enough space.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapUsableColor(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32,System.Int32@)">
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<summary>
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Checks if the color already exists or if their is enough room to add it.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="redValue">The red value</param>
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<param name="greenValue">The green value</param>
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<param name="blueValue">The blue value</param>
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<param name="usable">Returns 1 if usable; 0 if not.</param>
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<returns>Returns 0 if OK, 1 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapAddBlackOrWhite(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32@)">
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<summary>
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Adds a color (black\white) if not already there returning it's index through <paramref name="index"/>.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="color">The color to add (0 for black; 1 for white)</param>
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<param name="index">The index of the color.</param>
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<returns>Returns 0 if OK; 1 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapSetBlackAndWhite(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32)">
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<summary>
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Sets the darkest color in the colormap to black, if <paramref name="setBlack"/> is 1.
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Sets the lightest color in the colormap to white if <paramref name="setWhite"/> is 1.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="setBlack">0 for no operation; 1 to set darket color to black</param>
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<param name="setWhite">0 for no operation; 1 to set lightest color to white</param>
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<returns>Returns 0 if OK; 1 on error.</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetColor(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32@,System.Int32@,System.Int32@)">
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<summary>
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Gets the color at the specified index.
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</summary>
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<param name="cmap">The pointer to the colormap instance.</param>
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<param name="index">The index of the color entry.</param>
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<param name="redValue">The color entry's red value.</param>
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<param name="blueValue">The color entry's blue value.</param>
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<param name="greenValue">The color entry's green value.</param>
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<returns>Returns 0 if OK; 1 if not accessable (caller should check).</returns>
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</member>
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<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetColor32(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32@)">
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<summary>
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Gets the color at the specified index.
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|
</summary>
|
|
<remarks>
|
|
The alpha channel will always be zero as it is not used in Leptonica color maps.
|
|
</remarks>
|
|
<param name="cmap">The pointer to the colormap instance.</param>
|
|
<param name="index">The index of the color entry.</param>
|
|
<param name="color">The color entry as 32 bit value</param>
|
|
<returns>Returns 0 if OK; 1 if not accessable (caller should check).</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapResetColor(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32,System.Int32)">
|
|
<summary>
|
|
Sets a previously allocated color entry.
|
|
</summary>
|
|
<param name="cmap">The pointer to the colormap instance.</param>
|
|
<param name="index">The index of the colormap entry</param>
|
|
<param name="redValue"></param>
|
|
<param name="blueValue"></param>
|
|
<param name="greenValue"></param>
|
|
<returns>Returns 0 if OK; 1 if not accessable (caller should check).</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetIndex(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32,System.Int32@)">
|
|
<summary>
|
|
Gets the index of the color entry with the specified color, return 0 if found; 1 if not.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapHasColor(System.Runtime.InteropServices.HandleRef,System.Int32)">
|
|
<summary>
|
|
Returns 0 if the color exists in the color map; otherwise 1.
|
|
</summary>
|
|
<returns>Returns 0 if OK; 1 on error.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapCountGrayColors(System.Runtime.InteropServices.HandleRef,System.Int32@)">
|
|
<summary>
|
|
Returns the number of unique grey colors including black and white.
|
|
</summary>
|
|
<returns>Returns 0 if OK; 1 on error.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetRankIntensity(System.Runtime.InteropServices.HandleRef,System.Single,System.Int32@)">
|
|
<summary>
|
|
Finds the index of the color entry with the rank intensity.
|
|
</summary>
|
|
<returns>Returns 0 if OK; 1 on error.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetNearestIndex(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32,System.Int32,System.Int32@)">
|
|
<summary>
|
|
Finds the index of the color entry closest to the specified color.
|
|
</summary>
|
|
<returns>Returns 0 if OK; 1 on error.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.ILeptonicaApiSignatures.pixcmapGetNearestGrayIndex(System.Runtime.InteropServices.HandleRef,System.Int32,System.Int32@)">
|
|
<summary>
|
|
Finds the index of the color entry closest to the specified color.
|
|
</summary>
|
|
<remarks>
|
|
Should only be used on gray colormaps.
|
|
</remarks>
|
|
<returns>Returns 0 if OK; 1 on error.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Interop.MarshalHelper.StrLength(System.IntPtr)">
|
|
<summary>
|
|
Gets the number of bytes in a null terminated byte array.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.IResultRenderer.BeginDocument(System.String)">
|
|
<summary>
|
|
Begins a new document with the specified <paramref name="title"/>.
|
|
</summary>
|
|
<param name="title">The title of the new document.</param>
|
|
<returns>A handle that when disposed of ends the current document.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.IResultRenderer.AddPage(Tesseract.Page)">
|
|
<summary>
|
|
Add the page to the current document.
|
|
</summary>
|
|
<param name="page"></param>
|
|
<returns><c>True</c> if the page was successfully added to the result renderer; otherwise false.</returns>
|
|
</member>
|
|
<member name="P:Tesseract.IResultRenderer.PageNumber">
|
|
<summary>
|
|
Gets the current page number; returning -1 if no page has yet been added otherwise the number
|
|
of the last added page (starting from 0).
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.MathHelper.ToRadians(System.Single)">
|
|
<summary>
|
|
Convert a degrees to radians.
|
|
</summary>
|
|
<param name="angleInDegrees"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.MathHelper.ToRadians(System.Double)">
|
|
<summary>
|
|
Convert a degrees to radians.
|
|
</summary>
|
|
<param name="angleInDegrees"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.MathHelper.DivRoundUp(System.Int32,System.Int32)">
|
|
<summary>
|
|
Calculates the smallest integer greater than the quotant of dividend and divisor.
|
|
</summary>
|
|
<see href="http://stackoverflow.com/questions/921180/how-can-i-ensure-that-a-division-of-integers-is-always-rounded-up"/>
|
|
</member>
|
|
<member name="T:Tesseract.Orientation">
|
|
<summary>
|
|
Represents orientation that the page would need to be rotated so that .
|
|
</summary>
|
|
<remarks>
|
|
Orientation is defined as to what side of the page would need to correspond to the 'up' direction such that the characters will
|
|
be read able. Another way of looking at this what direction you need to rotate you head so that "up" aligns with Orientation,
|
|
then the characters will appear "right side up" and readable.
|
|
|
|
In short:
|
|
<list type="bullet">
|
|
<item>PageUp - Page is correctly alligned with up and no rotation is needed.</item>
|
|
<item>PageRight - Page needs to be rotated so the right hand side is up, 90 degress counter clockwise, to be readable.</item>
|
|
<item>PageDown - Page needs to be rotated so the bottom side is up, 180 degress counter clockwise, to be readable.</item>
|
|
<item>PageLeft - Page needs to be rotated so the left hand side is up, 90 degress clockwise, to be readable.</item>
|
|
</list>
|
|
</remarks>
|
|
</member>
|
|
<member name="F:Tesseract.Orientation.PageUp">
|
|
<summary>
|
|
Page is correctly alligned with up and no rotation is needed.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.Orientation.PageRight">
|
|
<summary>
|
|
Page needs to be rotated so the right hand side is up, 90 degress counter clockwise, to be readable.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.Orientation.PageDown">
|
|
<summary>
|
|
Page needs to be rotated so the bottom side is up, 180 degress counter clockwise, to be readable.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.Orientation.PageLeft">
|
|
<summary>
|
|
Page needs to be rotated so the left hand side is up, 90 degress clockwise, to be readable.
|
|
</summary>
|
|
</member>
|
|
<member name="P:Tesseract.Page.Image">
|
|
<summary>
|
|
Gets the <see cref="T:Tesseract.Pix"/> that is being ocr'd.
|
|
</summary>
|
|
</member>
|
|
<member name="P:Tesseract.Page.ImageName">
|
|
<summary>
|
|
Gets the name of the image being ocr'd.
|
|
</summary>
|
|
<remarks>
|
|
This is also used for some of the more advanced functionality such as identifying the associated UZN file if present.
|
|
</remarks>
|
|
</member>
|
|
<member name="P:Tesseract.Page.PageSegmentMode">
|
|
<summary>
|
|
Gets the page segmentation mode used to OCR the specified image.
|
|
</summary>
|
|
</member>
|
|
<member name="P:Tesseract.Page.RegionOfInterest">
|
|
<summary>
|
|
The current region of interest being parsed.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetThresholdedImage">
|
|
<summary>
|
|
Gets the thresholded image that was OCR'd.
|
|
</summary>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.AnalyseLayout">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.PageIterator"/> object that is used to iterate over the page's layout as defined by the current <see cref="P:Tesseract.Page.RegionOfInterest"/>.
|
|
</summary>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetIterator">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.ResultIterator"/> object that is used to iterate over the page as defined by the current <see cref="P:Tesseract.Page.RegionOfInterest"/>.
|
|
</summary>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetText">
|
|
<summary>
|
|
Gets the page's content as plain text.
|
|
</summary>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetHOCRText(System.Int32,System.Boolean)">
|
|
<summary>
|
|
Gets the page's content as an HOCR text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<param name="useXHtml">True to use XHTML Output, False to HTML Output</param>
|
|
<returns>The OCR'd output as an HOCR text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetAltoText(System.Int32)">
|
|
<summary>
|
|
Gets the page's content as an Alto text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<returns>The OCR'd output as an Alto text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetTsvText(System.Int32)">
|
|
<summary>
|
|
Gets the page's content as a Tsv text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<returns>The OCR'd output as a Tsv text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetBoxText(System.Int32)">
|
|
<summary>
|
|
Gets the page's content as a Box text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<returns>The OCR'd output as a Box text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetLSTMBoxText(System.Int32)">
|
|
<summary>
|
|
Gets the page's content as a LSTMBox text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<returns>The OCR'd output as a LSTMBox text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetWordStrBoxText(System.Int32)">
|
|
<summary>
|
|
Gets the page's content as a WordStrBox text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<returns>The OCR'd output as a WordStrBox text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetUNLVText">
|
|
<summary>
|
|
Gets the page's content as an UNLV text.
|
|
</summary>
|
|
<param name="pageNum">The page number (zero based).</param>
|
|
<returns>The OCR'd output as an UNLV text string.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetMeanConfidence">
|
|
<summary>
|
|
Get's the mean confidence that as a percentage of the recognized text.
|
|
</summary>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.GetSegmentedRegions(Tesseract.PageIteratorLevel)">
|
|
<summary>
|
|
Get segmented regions at specified page iterator level.
|
|
</summary>
|
|
<param name="pageIteratorLevel">PageIteratorLevel enum</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Page.DetectBestOrientation(Tesseract.Orientation@,System.Single@)">
|
|
<summary>
|
|
Detects the page orientation, with corresponding confidence when using <see cref="F:Tesseract.PageSegMode.OsdOnly"/>.
|
|
</summary>
|
|
<remarks>
|
|
If using full page segmentation mode (i.e. AutoOsd) then consider using <see cref="M:Tesseract.Page.AnalyseLayout"/> instead as this also provides a
|
|
deskew angle which isn't available when just performing orientation detection.
|
|
</remarks>
|
|
<param name="orientation">The page orientation.</param>
|
|
<param name="confidence">The confidence level of the orientation (15 is reasonably confident).</param>
|
|
|
|
</member>
|
|
<member name="M:Tesseract.Page.DetectBestOrientation(System.Int32@,System.Single@)">
|
|
<summary>
|
|
Detects the page orientation, with corresponding confidence when using <see cref="F:Tesseract.PageSegMode.OsdOnly"/>.
|
|
</summary>
|
|
<remarks>
|
|
If using full page segmentation mode (i.e. AutoOsd) then consider using <see cref="M:Tesseract.Page.AnalyseLayout"/> instead as this also provides a
|
|
deskew angle which isn't available when just performing orientation detection.
|
|
</remarks>
|
|
<param name="orientation">The detected clockwise page rotation in degrees (0, 90, 180, or 270).</param>
|
|
<param name="confidence">The confidence level of the orientation (15 is reasonably confident).</param>
|
|
</member>
|
|
<!-- Badly formed XML comment ignored for member "M:Tesseract.Page.DetectBestOrientationAndScript(System.Int32@,System.Single@,System.String@,System.Single@)" -->
|
|
<member name="T:Tesseract.PageIterator">
|
|
<summary>
|
|
Represents an object that can iterate over tesseract's page structure.
|
|
</summary>
|
|
<remarks>
|
|
The iterator points to tesseract's internal page structure and is only valid while the Engine instance that created it exists
|
|
and has not been subjected to a call to Recognize since the iterator was created.
|
|
</remarks>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.Begin">
|
|
<summary>
|
|
Moves the iterator to the start of the page.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.Next(Tesseract.PageIteratorLevel)">
|
|
<summary>
|
|
Moves to the start of the next element at the given level.
|
|
</summary>
|
|
<remarks>
|
|
|
|
</remarks>
|
|
<param name="level"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.Next(Tesseract.PageIteratorLevel,Tesseract.PageIteratorLevel)">
|
|
<summary>
|
|
Moves the iterator to the next <paramref name="element"/> iff the iterator is not currently pointing to the last <paramref name="element"/> in the specified <paramref name="level"/> (i.e. the last word in the paragraph).
|
|
</summary>
|
|
<param name="level">The iterator level.</param>
|
|
<param name="element">The page level.</param>
|
|
<returns><c>True</c> iff there is another <paramref name="element"/> to advance too and the current element is not the last element at the given level; otherwise returns <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.IsAtBeginningOf(Tesseract.PageIteratorLevel)">
|
|
<summary>
|
|
Returns <c>True</c> if the iterator is at the first element at the given level.
|
|
</summary>
|
|
<remarks>
|
|
A possible use is to determin if a call to next(word) moved to the start of a new paragraph.
|
|
</remarks>
|
|
<param name="level"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.IsAtFinalOf(Tesseract.PageIteratorLevel,Tesseract.PageIteratorLevel)">
|
|
<summary>
|
|
Returns <c>True</c> if the iterator is positioned at the last element at the given level.
|
|
</summary>
|
|
<param name="level"></param>
|
|
<param name="element"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.TryGetBoundingBox(Tesseract.PageIteratorLevel,Tesseract.Rect@)">
|
|
<summary>
|
|
Gets the bounding rectangle of the current element at the given level.
|
|
</summary>
|
|
<param name="level"></param>
|
|
<param name="bounds"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.TryGetBaseline(Tesseract.PageIteratorLevel,Tesseract.Rect@)">
|
|
<summary>
|
|
Gets the baseline of the current element at the given level.
|
|
</summary>
|
|
<remarks>
|
|
The baseline is the line that passes through (x1, y1) and (x2, y2).
|
|
WARNING: with vertical text, baselines may be vertical! Returns false if there is no baseline at the current position.</remarks>
|
|
<param name="level"></param>
|
|
<param name="bounds"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.PageIterator.GetProperties">
|
|
<summary>
|
|
Gets the element orientation information that the iterator currently points too.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.PageSegMode">
|
|
<summary>
|
|
Represents the possible page layou analysis modes.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.OsdOnly">
|
|
<summary>
|
|
Orientation and script detection (OSD) only.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.AutoOsd">
|
|
<summary>
|
|
Automatic page sementation with orientantion and script detection (OSD).
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.AutoOnly">
|
|
<summary>
|
|
Automatic page segmentation, but no OSD, or OCR.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.Auto">
|
|
<summary>
|
|
Fully automatic page segmentation, but no OSD.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.SingleColumn">
|
|
<summary>
|
|
Assume a single column of text of variable sizes.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.SingleBlockVertText">
|
|
<summary>
|
|
Assume a single uniform block of vertically aligned text.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.SingleBlock">
|
|
<summary>
|
|
Assume a single uniform block of text.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.SingleLine">
|
|
<summary>
|
|
Treat the image as a single text line.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.SingleWord">
|
|
<summary>
|
|
Treat the image as a single word.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.CircleWord">
|
|
<summary>
|
|
Treat the image as a single word in a circle.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.SingleChar">
|
|
<summary>
|
|
Treat the image as a single character.
|
|
</summary>
|
|
</member>
|
|
<!-- Badly formed XML comment ignored for member "F:Tesseract.PageSegMode.SparseText" -->
|
|
<member name="F:Tesseract.PageSegMode.SparseTextOsd">
|
|
<summary>
|
|
Sparse text with orientation and script detection.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.RawLine">
|
|
<summary>
|
|
Treat the image as a single text line, bypassing hacks that are
|
|
specific to Tesseract.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PageSegMode.Count">
|
|
<summary>
|
|
Number of enum entries.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.Pix.VerySmallAngle">
|
|
<summary>
|
|
A small angle, in radians, for threshold checking. Equal to about 0.06 degrees.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.Pix.imageFomatLookup">
|
|
<summary>
|
|
Used to lookup image formats by extension.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.#ctor(System.IntPtr)">
|
|
<summary>
|
|
Creates a new pix instance using an existing handle to a pix structure.
|
|
</summary>
|
|
<remarks>
|
|
Note that the resulting instance takes ownership of the data structure.
|
|
</remarks>
|
|
<param name="handle"></param>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Save(System.String,System.Nullable{Tesseract.ImageFormat})">
|
|
<summary>
|
|
Saves the image to the specified file.
|
|
</summary>
|
|
<param name="filename">The path to the file.</param>
|
|
<param name="format">The format to use when saving the image, if not specified the file extension is used to guess the format.</param>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Clone">
|
|
<summary>
|
|
Increments this pix's reference count and returns a reference to the same pix data.
|
|
</summary>
|
|
<remarks>
|
|
A "clone" is simply a reference to an existing pix. It is implemented this way because
|
|
image can be large and hence expensive to copy and extra handles need to be made with a simple
|
|
policy to avoid double frees and memory leaks.
|
|
|
|
The general usage protocol is:
|
|
<list type="number">
|
|
<item>Whenever you want a new reference to an existing <see cref="T:Tesseract.Pix" /> call <see cref="M:Tesseract.Pix.Clone" />.</item>
|
|
<item>
|
|
Always call <see cref="M:Tesseract.Pix.Dispose(System.Boolean)" /> on all references. This decrements the reference count and
|
|
will destroy the pix when the reference count reaches zero.
|
|
</item>
|
|
</list>
|
|
</remarks>
|
|
<returns>The pix with it's reference count incremented.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.BinarizeOtsuAdaptiveThreshold(System.Int32,System.Int32,System.Int32,System.Int32,System.Single)">
|
|
<summary>
|
|
Binarization of the input image based on the passed parameters and the Otsu method
|
|
</summary>
|
|
<param name="sx"> sizeX Desired tile X dimension; actual size may vary.</param>
|
|
<param name="sy"> sizeY Desired tile Y dimension; actual size may vary.</param>
|
|
<param name="smoothx"> smoothX Half-width of convolution kernel applied to threshold array: use 0 for no smoothing.</param>
|
|
<param name="smoothy"> smoothY Half-height of convolution kernel applied to threshold array: use 0 for no smoothing.</param>
|
|
<param name="scorefract"> scoreFraction Fraction of the max Otsu score; typ. 0.1 (use 0.0 for standard Otsu).</param>
|
|
<returns>The binarized image.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.BinarizeSauvola(System.Int32,System.Single,System.Boolean)">
|
|
<summary>
|
|
Binarization of the input image using the Sauvola local thresholding method.
|
|
|
|
Note: The source image must be 8 bpp grayscale; not colormapped.
|
|
</summary>
|
|
<remarks>
|
|
<list type="number">
|
|
<listheader>Notes</listheader>
|
|
<item>The window width and height are 2 * <paramref name="whsize"/> + 1. The minimum value for <paramref name="whsize"/> is 2; typically it is >= 7.</item>
|
|
<item>The local statistics, measured over the window, are the average and standard deviation.</item>
|
|
<item>
|
|
The measurements of the mean and standard deviation are performed inside a border of (<paramref name="whsize"/> + 1) pixels.
|
|
If source pix does not have these added border pixels, use <paramref name="addborder"/> = <c>True</c> to add it here; otherwise use
|
|
<paramref name="addborder"/> = <c>False</c>.
|
|
</item>
|
|
<item>
|
|
The Sauvola threshold is determined from the formula: t = m * (1 - k * (1 - s / 128)) where t = local threshold, m = local mean,
|
|
k = <paramref name="factor"/>, and s = local standard deviation which is maximised at 127.5 when half the samples are 0 and the other
|
|
half are 255.
|
|
</item>
|
|
<item>
|
|
The basic idea of Niblack and Sauvola binarization is that the local threshold should be less than the median value,
|
|
and the larger the variance, the closer to the median it should be chosen. Typical values for k are between 0.2 and 0.5.
|
|
</item>
|
|
</list>
|
|
</remarks>
|
|
<param name="whsize">the window half-width for measuring local statistics.</param>
|
|
<param name="factor">The factor for reducing threshold due to variances greater than or equal to zero (0). Typically around 0.35.</param>
|
|
<param name="addborder">If <c>True</c> add a border of width (<paramref name="whsize"/> + 1) on all sides.</param>
|
|
<returns>The binarized image.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.BinarizeSauvolaTiled(System.Int32,System.Single,System.Int32,System.Int32)">
|
|
<summary>
|
|
Binarization of the input image using the Sauvola local thresholding method on tiles
|
|
of the source image.
|
|
|
|
Note: The source image must be 8 bpp grayscale; not colormapped.
|
|
</summary>
|
|
<remarks>
|
|
A tiled version of Sauvola can become neccisary for large source images (over 16M pixels) because:
|
|
|
|
* The mean value accumulator is a uint32, overflow can occur for an image with more than 16M pixels.
|
|
* The mean value accumulator array for 16M pixels is 64 MB. While the mean square accumulator array for 16M pixels is 128 MB.
|
|
Using tiles reduces the size of these arrays.
|
|
* Each tile can be processed independently, in parallel, on a multicore processor.
|
|
</remarks>
|
|
<param name="whsize">The window half-width for measuring local statistics</param>
|
|
<param name="factor">The factor for reducing threshold due to variances greater than or equal to zero (0). Typically around 0.35.</param>
|
|
<param name="nx">The number of tiles to subdivide the source image into on the x-axis.</param>
|
|
<param name="ny">The number of tiles to subdivide the source image into on the y-axis.</param>
|
|
<returns>THe binarized image.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.ConvertRGBToGray(System.Single,System.Single,System.Single)">
|
|
<summary>
|
|
Conversion from RBG to 8bpp grayscale using the specified weights. Note red, green, blue weights should add up to 1.0.
|
|
</summary>
|
|
<param name="rwt">Red weight</param>
|
|
<param name="gwt">Green weight</param>
|
|
<param name="bwt">Blue weight</param>
|
|
<returns>The Grayscale pix.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.ConvertRGBToGray">
|
|
<summary>
|
|
Conversion from RBG to 8bpp grayscale.
|
|
</summary>
|
|
<returns>The Grayscale pix.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.RemoveLines">
|
|
<summary>
|
|
Removes horizontal lines from a grayscale image.
|
|
The algorithm is based on Leptonica <code>lineremoval.c</code> example.
|
|
See <a href="http://www.leptonica.com/line-removal.html">line-removal</a>.
|
|
</summary>
|
|
<returns>image with lines removed</returns>
|
|
</member>
|
|
<member name="F:Tesseract.Pix.SEL_STR2">
|
|
<summary>
|
|
HMT (with just misses) for speckle up to 2x2
|
|
"oooo"
|
|
"oC o"
|
|
"o o"
|
|
"oooo"
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.Pix.SEL_STR3">
|
|
<summary>
|
|
HMT (with just misses) for speckle up to 3x3
|
|
"oC o"
|
|
"o o"
|
|
"o o"
|
|
"ooooo"
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Despeckle(System.String,System.Int32)">
|
|
<summary>
|
|
Reduces speckle noise in image. The algorithm is based on Leptonica
|
|
<code>speckle_reg.c</code> example demonstrating morphological method of
|
|
removing speckle.
|
|
</summary>
|
|
<param name="selStr">hit-miss sels in 2D layout; SEL_STR2 and SEL_STR3 are predefined values</param>
|
|
<param name="selSize">2 for 2x2, 3 for 3x3</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Deskew">
|
|
<summary>
|
|
Determines the scew angle and if confidence is high enough returns the descewed image as the result, otherwise returns clone of original image.
|
|
</summary>
|
|
<remarks>
|
|
This binarizes if necessary and finds the skew angle. If the
|
|
angle is large enough and there is sufficient confidence,
|
|
it returns a deskewed image; otherwise, it returns a clone.
|
|
</remarks>
|
|
<returns>Returns deskewed image if confidence was high enough, otherwise returns clone of original pix.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Deskew(Tesseract.Scew@)">
|
|
<summary>
|
|
Determines the scew angle and if confidence is high enough returns the descewed image as the result, otherwise returns clone of original image.
|
|
</summary>
|
|
<remarks>
|
|
This binarizes if necessary and finds the skew angle. If the
|
|
angle is large enough and there is sufficient confidence,
|
|
it returns a deskewed image; otherwise, it returns a clone.
|
|
</remarks>
|
|
<param name="scew">The scew angle and confidence</param>
|
|
<returns>Returns deskewed image if confidence was high enough, otherwise returns clone of original pix.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Deskew(System.Int32,Tesseract.Scew@)">
|
|
<summary>
|
|
Determines the scew angle and if confidence is high enough returns the descewed image as the result, otherwise returns clone of original image.
|
|
</summary>
|
|
<remarks>
|
|
This binarizes if necessary and finds the skew angle. If the
|
|
angle is large enough and there is sufficient confidence,
|
|
it returns a deskewed image; otherwise, it returns a clone.
|
|
</remarks>
|
|
<param name="redSearch">The reduction factor used by the binary search, can be 1, 2, or 4.</param>
|
|
<param name="scew">The scew angle and confidence</param>
|
|
<returns>Returns deskewed image if confidence was high enough, otherwise returns clone of original pix.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Deskew(Tesseract.ScewSweep,System.Int32,System.Int32,Tesseract.Scew@)">
|
|
<summary>
|
|
Determines the scew angle and if confidence is high enough returns the descewed image as the result, otherwise returns clone of original image.
|
|
</summary>
|
|
<remarks>
|
|
This binarizes if necessary and finds the skew angle. If the
|
|
angle is large enough and there is sufficient confidence,
|
|
it returns a deskewed image; otherwise, it returns a clone.
|
|
</remarks>
|
|
<param name="sweep">linear sweep parameters</param>
|
|
<param name="redSearch">The reduction factor used by the binary search, can be 1, 2, or 4.</param>
|
|
<param name="thresh">The threshold value used for binarizing the image.</param>
|
|
<param name="scew">The scew angle and confidence</param>
|
|
<returns>Returns deskewed image if confidence was high enough, otherwise returns clone of original pix.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Rotate(System.Single,Tesseract.RotationMethod,Tesseract.RotationFill,System.Nullable{System.Int32},System.Nullable{System.Int32})">
|
|
<summary>
|
|
Creates a new image by rotating this image about it's centre.
|
|
</summary>
|
|
<remarks>
|
|
Please note the following:
|
|
<list type="bullet">
|
|
<item>
|
|
Rotation will bring in either white or black pixels, as specified by <paramref name="fillColor" /> from
|
|
the outside as required.
|
|
</item>
|
|
<item>Above 20 degrees, sampling rotation will be used if shear was requested.</item>
|
|
<item>Colormaps are removed for rotation by area map and shear.</item>
|
|
<item>
|
|
The resulting image can be expanded so that no image pixels are lost. To invoke expansion,
|
|
input the original width and height. For repeated rotation, use of the original width and heigh allows
|
|
expansion to stop at the maximum required size which is a square of side = sqrt(w*w + h*h).
|
|
</item>
|
|
</list>
|
|
<para>
|
|
Please note there is an implicit assumption about RGB component ordering.
|
|
</para>
|
|
</remarks>
|
|
<param name="angleInRadians">The angle to rotate by, in radians; clockwise is positive.</param>
|
|
<param name="method">The rotation method to use.</param>
|
|
<param name="fillColor">The fill color to use for pixels that are brought in from the outside.</param>
|
|
<param name="width">The original width; use 0 to avoid embedding</param>
|
|
<param name="height">The original height; use 0 to avoid embedding</param>
|
|
<returns>The image rotated around it's centre.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Rotate90(System.Int32)">
|
|
<summary>
|
|
90 degree rotation.
|
|
</summary>
|
|
<param name="direction">1 = clockwise, -1 = counter-clockwise</param>
|
|
<returns>rotated image</returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Invert">
|
|
<summary>
|
|
Inverts pix.
|
|
</summary>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.ConvertTo8(System.Int32)">
|
|
<summary>
|
|
Top-level conversion to 8 bpp.
|
|
</summary>
|
|
<param name="cmapflag"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.Pix.Scale(System.Single,System.Single)">
|
|
<summary>
|
|
Scales the current pix by the specified <paramref name="scaleX"/> and <paramref name="scaleY"/> factors returning a new <see cref="T:Tesseract.Pix"/> of the same depth.
|
|
</summary>
|
|
<param name="scaleX"></param>
|
|
<param name="scaleY"></param>
|
|
<returns>The scaled image.</returns>
|
|
<remarks>
|
|
<para>
|
|
This function scales 32 bpp RGB; 2, 4 or 8 bpp palette color;
|
|
2, 4, 8 or 16 bpp gray; and binary images.
|
|
</para>
|
|
<para>
|
|
When the input has palette color, the colormap is removed and
|
|
the result is either 8 bpp gray or 32 bpp RGB, depending on whether
|
|
the colormap has color entries. Images with 2, 4 or 16 bpp are
|
|
converted to 8 bpp.
|
|
</para>
|
|
<para>
|
|
Because Scale() is meant to be a very simple interface to a
|
|
number of scaling functions, including the use of unsharp masking,
|
|
the type of scaling and the sharpening parameters are chosen
|
|
by default. Grayscale and color images are scaled using one
|
|
of four methods, depending on the scale factors:
|
|
<list type="number">
|
|
<item>
|
|
<description>
|
|
antialiased subsampling (lowpass filtering followed by
|
|
subsampling, implemented here by area mapping), for scale factors
|
|
less than 0.2
|
|
</description>
|
|
</item>
|
|
<item>
|
|
<description>
|
|
antialiased subsampling with sharpening, for scale factors
|
|
between 0.2 and 0.7.
|
|
</description>
|
|
</item>
|
|
<item>
|
|
<description>
|
|
linear interpolation with sharpening, for scale factors between
|
|
0.7 and 1.4.
|
|
</description>
|
|
</item>
|
|
<item>
|
|
<description>
|
|
linear interpolation without sharpening, for scale factors >= 1.4.
|
|
</description>
|
|
</item>
|
|
</list>
|
|
One could use subsampling for scale factors very close to 1.0,
|
|
because it preserves sharp edges. Linear interpolation blurs
|
|
edges because the dest pixels will typically straddle two src edge
|
|
pixels. Subsmpling removes entire columns and rows, so the edge is
|
|
not blurred. However, there are two reasons for not doing this.
|
|
First, it moves edges, so that a straight line at a large angle to
|
|
both horizontal and vertical will have noticable kinks where
|
|
horizontal and vertical rasters are removed. Second, although it
|
|
is very fast, you get good results on sharp edges by applying
|
|
a sharpening filter.
|
|
</para>
|
|
<para>
|
|
For images with sharp edges, sharpening substantially improves the
|
|
image quality for scale factors between about 0.2 and about 2.0.
|
|
pixScale() uses a small amount of sharpening by default because
|
|
it strengthens edge pixels that are weak due to anti-aliasing.
|
|
The default sharpening factors are:
|
|
<list type="bullet">
|
|
<item>
|
|
<description><![CDATA[for scaling factors < 0.7: sharpfract = 0.2 sharpwidth = 1]]></description>
|
|
</item>
|
|
<item>
|
|
<description>for scaling factors >= 0.7: sharpfract = 0.4 sharpwidth = 2</description>
|
|
</item>
|
|
</list>
|
|
The cases where the sharpening halfwidth is 1 or 2 have special
|
|
implementations and are about twice as fast as the general case.
|
|
</para>
|
|
<para>
|
|
However, sharpening is computationally expensive, and one needs
|
|
to consider the speed-quality tradeoff:
|
|
<list type="bullet">
|
|
<item>
|
|
<description>
|
|
For upscaling of RGB images, linear interpolation plus default
|
|
sharpening is about 5 times slower than upscaling alone.</description>
|
|
</item>
|
|
<item>
|
|
<description>
|
|
For downscaling, area mapping plus default sharpening is
|
|
about 10 times slower than downscaling alone.
|
|
</description>
|
|
</item>
|
|
</list>
|
|
When the scale factor is larger than 1.4, the cost of sharpening,
|
|
which is proportional to image area, is very large compared to the
|
|
incremental quality improvement, so we cut off the default use of
|
|
sharpening at 1.4. Thus, for scale factors greater than 1.4,
|
|
pixScale() only does linear interpolation.
|
|
</para>
|
|
<para>
|
|
In many situations you will get a satisfactory result by scaling
|
|
without sharpening: call pixScaleGeneral() with @sharpfract = 0.0.
|
|
Alternatively, if you wish to sharpen but not use the default
|
|
value, first call pixScaleGeneral() with @sharpfract = 0.0, and
|
|
then sharpen explicitly using pixUnsharpMasking().
|
|
</para>
|
|
<para>
|
|
Binary images are scaled to binary by sampling the closest pixel,
|
|
without any low-pass filtering (averaging of neighboring pixels).
|
|
This will introduce aliasing for reductions. Aliasing can be
|
|
prevented by using pixScaleToGray() instead.
|
|
</para>
|
|
<para>
|
|
Warning: implicit assumption about RGB component order for LI color scaling
|
|
</para>
|
|
</remarks>
|
|
</member>
|
|
<member name="T:Tesseract.PixArray">
|
|
<summary>
|
|
Represents an array of <see cref="T:Tesseract.Pix"/>.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.LoadMultiPageTiffFromFile(System.String)">
|
|
<summary>
|
|
Loads the multi-page tiff located at <paramref name="filename"/>.
|
|
</summary>
|
|
<param name="filename"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="T:Tesseract.PixArray.PixArrayEnumerator">
|
|
<summary>
|
|
Handles enumerating through the <see cref="T:Tesseract.Pix"/> in the PixArray.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.PixArrayEnumerator.MoveNext">
|
|
<inheritdoc/>
|
|
</member>
|
|
<member name="P:Tesseract.PixArray.PixArrayEnumerator.Current">
|
|
<inheritdoc/>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.PixArrayEnumerator.System#Collections#IEnumerator#Reset">
|
|
<inheritdoc/>
|
|
</member>
|
|
<member name="P:Tesseract.PixArray.PixArrayEnumerator.System#Collections#IEnumerator#Current">
|
|
<inheritdoc/>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.PixArrayEnumerator.VerifyArrayUnchanged">
|
|
<inheritdoc/>
|
|
</member>
|
|
<member name="F:Tesseract.PixArray._handle">
|
|
<summary>
|
|
Gets the handle to the underlying PixA structure.
|
|
</summary>
|
|
</member>
|
|
<member name="P:Tesseract.PixArray.Count">
|
|
<summary>
|
|
Gets the number of <see cref="T:Tesseract.Pix"/> contained in the array.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.Add(Tesseract.Pix,Tesseract.PixArrayAccessType)">
|
|
<summary>
|
|
Add the specified pix to the end of the pix array.
|
|
</summary>
|
|
<remarks>
|
|
PixArrayAccessType.Insert is not supported as the managed Pix object will attempt to release the pix when
|
|
it goes out of scope creating an access exception.
|
|
</remarks>
|
|
<param name="pix">The pix to add.</param>
|
|
<param name="copyflag">Determines if a clone or copy of the pix is inserted into the array.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.Remove(System.Int32)">
|
|
<summary>
|
|
Removes the pix located at index.
|
|
</summary>
|
|
<remarks>
|
|
Notes:
|
|
* This shifts pixa[i] --> pixa[i - 1] for all i > index.
|
|
* Do not use on large arrays as the functionality is O(n).
|
|
* The corresponding box is removed as well, if it exists.
|
|
</remarks>
|
|
<param name="index">The index of the pix to remove.</param>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.Clear">
|
|
<summary>
|
|
Destroys ever pix in the array.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.GetPix(System.Int32,Tesseract.PixArrayAccessType)">
|
|
<summary>
|
|
Gets the <see cref="T:Tesseract.Pix"/> located at <paramref name="index"/> using the specified <paramref name="accessType"/>.
|
|
</summary>
|
|
<param name="index">The index of the pix (zero based).</param>
|
|
<param name="accessType">The <see cref="T:Tesseract.PixArrayAccessType" /> used to retrieve the <see cref="T:Tesseract.Pix"/>, only Clone or Copy are allowed.</param>
|
|
<returns>The retrieved <see cref="T:Tesseract.Pix"/>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.PixArray.GetEnumerator">
|
|
<summary>
|
|
Returns a <see cref="T:System.Collections.Generic.IEnumerator`1"/> that iterates the the array of <see cref="T:Tesseract.Pix"/>.
|
|
</summary>
|
|
<remarks>
|
|
When done with the enumerator you must call <see cref="M:Tesseract.PixArray.Dispose(System.Boolean)"/> to release any unmanaged resources.
|
|
However if your using the enumerator in a foreach loop, this is done for you automatically by .Net. This also means
|
|
that any <see cref="T:Tesseract.Pix"/> returned from the enumerator cannot safely be used outside a foreach loop (or after Dispose has been
|
|
called on the enumerator). If you do indeed need the pix after the enumerator has been disposed of you must clone it using
|
|
<see cref="M:Tesseract.Pix.Clone"/>.
|
|
</remarks>
|
|
<returns>A <see cref="T:System.Collections.Generic.IEnumerator`1"/> that iterates the the array of <see cref="T:Tesseract.Pix"/>.</returns>
|
|
</member>
|
|
<member name="T:Tesseract.PixArrayAccessType">
|
|
<summary>
|
|
Determines how <see cref="T:Tesseract.Pix"/> of a <see cref="T:Tesseract.PixArray"/> structure are accessed.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PixArrayAccessType.Insert">
|
|
<summary>
|
|
Stuff it in; no copy, clone or copy-clone.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PixArrayAccessType.Copy">
|
|
<summary>
|
|
Make/use a copy of the object.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PixArrayAccessType.Clone">
|
|
<summary>
|
|
Make/use clone (ref count) of the object
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PixArrayAccessType.CopyClone">
|
|
<summary>
|
|
Make a new object and fill with with clones of each object in the array(s)
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.PixColormap">
|
|
<summary>
|
|
Represents a colormap.
|
|
</summary>
|
|
<remarks>
|
|
Once the colormap is assigned to a pix it is owned by that pix and will be disposed off automatically
|
|
when the pix is disposed off.
|
|
</remarks>
|
|
</member>
|
|
<member name="P:Tesseract.PixData.Data">
|
|
<summary>
|
|
Pointer to the data.
|
|
</summary>
|
|
</member>
|
|
<member name="P:Tesseract.PixData.WordsPerLine">
|
|
<summary>
|
|
Number of 32-bit words per line.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.EndianByteSwap">
|
|
<summary>
|
|
Swaps the bytes on little-endian platforms within a word; bytes 0 and 3 swapped, and bytes `1 and 2 are swapped.
|
|
</summary>
|
|
<remarks>
|
|
This is required for little-endians in situations where we convert from a serialized byte order that is in raster order,
|
|
as one typically has in file formats, to one with MSB-to-the-left in each 32-bit word, or v.v. See <seealso href="http://www.leptonica.com/byte-addressing.html"/>
|
|
</remarks>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.GetDataBit(System.UInt32*,System.Int32)">
|
|
<summary>
|
|
Gets the pixel value for a 1bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.SetDataBit(System.UInt32*,System.Int32,System.UInt32)">
|
|
<summary>
|
|
Sets the pixel value for a 1bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.GetDataDIBit(System.UInt32*,System.Int32)">
|
|
<summary>
|
|
Gets the pixel value for a 2bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.SetDataDIBit(System.UInt32*,System.Int32,System.UInt32)">
|
|
<summary>
|
|
Sets the pixel value for a 2bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.GetDataQBit(System.UInt32*,System.Int32)">
|
|
<summary>
|
|
Gets the pixel value for a 4bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.SetDataQBit(System.UInt32*,System.Int32,System.UInt32)">
|
|
<summary>
|
|
Sets the pixel value for a 4bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.GetDataByte(System.UInt32*,System.Int32)">
|
|
<summary>
|
|
Gets the pixel value for a 8bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.SetDataByte(System.UInt32*,System.Int32,System.UInt32)">
|
|
<summary>
|
|
Sets the pixel value for a 8bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.GetDataTwoByte(System.UInt32*,System.Int32)">
|
|
<summary>
|
|
Gets the pixel value for a 16bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.SetDataTwoByte(System.UInt32*,System.Int32,System.UInt32)">
|
|
<summary>
|
|
Sets the pixel value for a 16bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.GetDataFourByte(System.UInt32*,System.Int32)">
|
|
<summary>
|
|
Gets the pixel value for a 32bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.PixData.SetDataFourByte(System.UInt32*,System.Int32,System.UInt32)">
|
|
<summary>
|
|
Sets the pixel value for a 32bpp image.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.Unknown">
|
|
<summary>
|
|
The type is not known yet, keep as first element.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.FlowingText">
|
|
<summary>
|
|
The text is inside a column.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.HeadingText">
|
|
<summary>
|
|
The text spans more than one column.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.PullOutText">
|
|
<summary>
|
|
The text is in a cross-column pull-out region.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.Equation">
|
|
<summary>
|
|
The partion belongs to an equation region..
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.InlineEquation">
|
|
<summary>
|
|
The partion has an inline equation.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.Table">
|
|
<summary>
|
|
The partion belongs to a Table region.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.VerticalText">
|
|
<summary>
|
|
Text line runs vertically.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.CaptionText">
|
|
<summary>
|
|
Text that belongs to an image.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.FlowingImage">
|
|
<summary>
|
|
Image that lives inside a column.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.HeadingImage">
|
|
<summary>
|
|
Image that spans more than one column.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.PullOutImage">
|
|
<summary>
|
|
Image that is in a cross-column pull-out region.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.PolyBlockType.Noise">
|
|
<summary>
|
|
Lies outside any column.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.ResultIterator.GetChoiceIterator">
|
|
<summary>
|
|
Gets an instance of a choice iterator using the current symbol of interest. The ChoiceIterator allows a one-shot iteration over the
|
|
choices for this symbol and after that is is useless.
|
|
</summary>
|
|
<returns>an instance of a Choice Iterator</returns>
|
|
</member>
|
|
<member name="T:Tesseract.RenderedFormat">
|
|
<summary>
|
|
Rendered formats supported by Tesseract.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.ResultRenderer">
|
|
<summary>
|
|
Represents a native result renderer (e.g. text, pdf, etc).
|
|
</summary>
|
|
<remarks>
|
|
Note that the ResultRenderer is explictly responsible for managing the
|
|
renderer hierarchy. This gets around a number of difficult issues such
|
|
as keeping track of what the next renderer is and how to manage the memory.
|
|
</remarks>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateRenderers(System.String,System.String,System.Collections.Generic.List{Tesseract.RenderedFormat})">
|
|
<summary>
|
|
Creates renderers for specified output formats.
|
|
</summary>
|
|
<param name="outputbase"></param>
|
|
<param name="dataPath">The directory containing the pdf font data, normally same as your tessdata directory.</param>
|
|
<param name="outputFormats"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreatePdfRenderer(System.String,System.String,System.Boolean)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a searchable
|
|
pdf file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The filename of the pdf file to be generated without the file extension.</param>
|
|
<param name="fontDirectory">The directory containing the pdf font data, normally same as your tessdata directory.</param>
|
|
<param name="textonly">skip images if set</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateTextRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates UTF-8 encoded text
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the text file to be generated without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateHOcrRenderer(System.String,System.Boolean)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a HOCR
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the hocr file to be generated without the file extension.</param>
|
|
<param name="fontInfo">Determines if the generated HOCR file includes font information or not.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateUnlvRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a unlv
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the unlv file to be created without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateAltoRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates an Alto
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the Alto file to be created without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateTsvRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a Tsv
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the Tsv file to be created without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateLSTMBoxRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a unlv
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the unlv file to be created without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateWordStrBoxRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a unlv
|
|
file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the unlv file to be created without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.CreateBoxRenderer(System.String)">
|
|
<summary>
|
|
Creates a <see cref="T:Tesseract.IResultRenderer">result renderer</see> that render that generates a box text file from tesseract's output.
|
|
</summary>
|
|
<param name="outputFilename">The path to the box file to be created without the file extension.</param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="T:Tesseract.ResultRenderer.EndDocumentOnDispose">
|
|
<summary>
|
|
Ensures the renderer's EndDocument when disposed off.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.Initialise(System.IntPtr)">
|
|
<summary>
|
|
Initialise the render to use the specified native result renderer.
|
|
</summary>
|
|
<param name="handle"></param>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.AddPage(Tesseract.Page)">
|
|
<summary>
|
|
Add the page to the current document.
|
|
</summary>
|
|
<param name="page"></param>
|
|
<returns><c>True</c> if the page was successfully added to the result renderer; otherwise false.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.ResultRenderer.BeginDocument(System.String)">
|
|
<summary>
|
|
Begins a new document with the specified <paramref name="title"/>.
|
|
</summary>
|
|
<param name="title">The (ANSI) title of the new document.</param>
|
|
<returns>A handle that when disposed of ends the current document.</returns>
|
|
</member>
|
|
<member name="T:Tesseract.RotationFill">
|
|
<summary>
|
|
What colour pixels should be used for the outside?
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.RotationFill.White">
|
|
<summary>
|
|
Bring in white pixels from the outside.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.RotationFill.Black">
|
|
<summary>
|
|
Bring in black pixels from the outside.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.RotationMethod">
|
|
<summary>
|
|
Represents the method used to rotate an image.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.RotationMethod.AreaMap">
|
|
<summary>
|
|
Use area map rotation, if possible.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.RotationMethod.Shear">
|
|
<summary>
|
|
Use shear rotation.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.RotationMethod.Sampling">
|
|
<summary>
|
|
Use sampling.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.ScewSweep">
|
|
<summary>
|
|
Represents the parameters for a sweep search used by scew algorithms.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.TesseractEngine">
|
|
<summary>
|
|
The tesseract OCR engine.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String)">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> using the <see cref="F:Tesseract.EngineMode.Default"/> mode.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String,System.String)">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> with the specified <paramref name="configFile"/>
|
|
using the <see cref="F:Tesseract.EngineMode.Default">Default Engine Mode</see>.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
<para>
|
|
Note: That the config files MUST be encoded without the BOM using unix end of line characters.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
<param name="configFile">
|
|
An optional tesseract configuration file that is encoded using UTF8 without BOM
|
|
with Unix end of line characters you can use an advanced text editor such as Notepad++ to accomplish this.
|
|
</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String,System.Collections.Generic.IEnumerable{System.String})">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> with the specified <paramref name="configFiles"/>
|
|
using the <see cref="F:Tesseract.EngineMode.Default">Default Engine Mode</see>.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
<param name="configFiles">
|
|
An optional sequence of tesseract configuration files to load, encoded using UTF8 without BOM
|
|
with Unix end of line characters you can use an advanced text editor such as Notepad++ to accomplish this.
|
|
</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String,Tesseract.EngineMode)">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> with the specified <paramref name="engineMode"/>.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
<param name="engineMode">The <see cref="T:Tesseract.EngineMode"/> value to use when initialising the tesseract engine.</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String,Tesseract.EngineMode,System.String)">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> with the specified <paramref name="engineMode"/> and <paramref name="configFile"/>.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
<para>
|
|
Note: That the config files MUST be encoded without the BOM using unix end of line characters.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
<param name="engineMode">The <see cref="T:Tesseract.EngineMode"/> value to use when initialising the tesseract engine.</param>
|
|
<param name="configFile">
|
|
An optional tesseract configuration file that is encoded using UTF8 without BOM
|
|
with Unix end of line characters you can use an advanced text editor such as Notepad++ to accomplish this.
|
|
</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String,Tesseract.EngineMode,System.Collections.Generic.IEnumerable{System.String})">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> with the specified <paramref name="engineMode"/> and <paramref name="configFiles"/>.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
<param name="engineMode">The <see cref="T:Tesseract.EngineMode"/> value to use when initialising the tesseract engine.</param>
|
|
<param name="configFiles">
|
|
An optional sequence of tesseract configuration files to load, encoded using UTF8 without BOM
|
|
with Unix end of line characters you can use an advanced text editor such as Notepad++ to accomplish this.
|
|
</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.#ctor(System.String,System.String,Tesseract.EngineMode,System.Collections.Generic.IEnumerable{System.String},System.Collections.Generic.IDictionary{System.String,System.Object},System.Boolean)">
|
|
<summary>
|
|
Creates a new instance of <see cref="T:Tesseract.TesseractEngine"/> with the specified <paramref name="engineMode"/> and <paramref name="configFiles"/>.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
The <paramref name="datapath"/> parameter should point to the directory that contains the 'tessdata' folder
|
|
for example if your tesseract language data is installed in <c>C:\Tesseract\tessdata</c> the value of datapath should
|
|
be <c>C:\Tesseract</c>. Note that tesseract will use the value of the <c>TESSDATA_PREFIX</c> environment variable if defined,
|
|
effectively ignoring the value of <paramref name="datapath"/> parameter.
|
|
</para>
|
|
</remarks>
|
|
<param name="datapath">The path to the parent directory that contains the 'tessdata' directory, ignored if the <c>TESSDATA_PREFIX</c> environment variable is defined.</param>
|
|
<param name="language">The language to load, for example 'eng' for English.</param>
|
|
<param name="engineMode">The <see cref="T:Tesseract.EngineMode"/> value to use when initialising the tesseract engine.</param>
|
|
<param name="configFiles">
|
|
An optional sequence of tesseract configuration files to load, encoded using UTF8 without BOM
|
|
with Unix end of line characters you can use an advanced text editor such as Notepad++ to accomplish this.
|
|
</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.Process(Tesseract.Pix,System.Nullable{Tesseract.PageSegMode})">
|
|
<summary>
|
|
Processes the specific image.
|
|
</summary>
|
|
<remarks>
|
|
You can only have one result iterator open at any one time.
|
|
</remarks>
|
|
<param name="image">The image to process.</param>
|
|
<param name="pageSegMode">The page layout analyasis method to use.</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.Process(Tesseract.Pix,Tesseract.Rect,System.Nullable{Tesseract.PageSegMode})">
|
|
<summary>
|
|
Processes a specified region in the image using the specified page layout analysis mode.
|
|
</summary>
|
|
<remarks>
|
|
You can only have one result iterator open at any one time.
|
|
</remarks>
|
|
<param name="image">The image to process.</param>
|
|
<param name="region">The image region to process.</param>
|
|
<param name="pageSegMode">The page layout analyasis method to use.</param>
|
|
<returns>A result iterator</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.Process(Tesseract.Pix,System.String,System.Nullable{Tesseract.PageSegMode})">
|
|
<summary>
|
|
Processes the specific image.
|
|
</summary>
|
|
<remarks>
|
|
You can only have one result iterator open at any one time.
|
|
</remarks>
|
|
<param name="image">The image to process.</param>
|
|
<param name="inputName">Sets the input file's name, only needed for training or loading a uzn file.</param>
|
|
<param name="pageSegMode">The page layout analyasis method to use.</param>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.Process(Tesseract.Pix,System.String,Tesseract.Rect,System.Nullable{Tesseract.PageSegMode})">
|
|
<summary>
|
|
Processes a specified region in the image using the specified page layout analysis mode.
|
|
</summary>
|
|
<remarks>
|
|
You can only have one result iterator open at any one time.
|
|
</remarks>
|
|
<param name="image">The image to process.</param>
|
|
<param name="inputName">Sets the input file's name, only needed for training or loading a uzn file.</param>
|
|
<param name="region">The image region to process.</param>
|
|
<param name="pageSegMode">The page layout analyasis method to use.</param>
|
|
<returns>A result iterator</returns>
|
|
</member>
|
|
<member name="T:Tesseract.TesseractEngine.PageDisposalHandle">
|
|
<summary>
|
|
Ties the specified pix to the lifecycle of a page.
|
|
</summary>
|
|
</member>
|
|
<member name="P:Tesseract.TesseractEngine.DefaultPageSegMode">
|
|
<summary>
|
|
Gets or sets default <see cref="T:Tesseract.PageSegMode" /> mode used by <see cref="M:Tesseract.TesseractEngine.Process(Tesseract.Pix,Tesseract.Rect,System.Nullable{Tesseract.PageSegMode})" />.
|
|
</summary>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.SetVariable(System.String,System.String)">
|
|
<summary>
|
|
Sets the value of a string variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The new value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.SetVariable(System.String,System.Boolean)">
|
|
<summary>
|
|
Sets the value of a boolean variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The new value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.SetVariable(System.String,System.Int32)">
|
|
<summary>
|
|
Sets the value of a integer variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The new value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.SetVariable(System.String,System.Double)">
|
|
<summary>
|
|
Sets the value of a double variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The new value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.TryGetBoolVariable(System.String,System.Boolean@)">
|
|
<summary>
|
|
Attempts to retrieve the value for a boolean variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The current value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.TryGetDoubleVariable(System.String,System.Double@)">
|
|
<summary>
|
|
Attempts to retrieve the value for a double variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The current value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.TryGetIntVariable(System.String,System.Int32@)">
|
|
<summary>
|
|
Attempts to retrieve the value for an integer variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The current value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.TryGetStringVariable(System.String,System.String@)">
|
|
<summary>
|
|
Attempts to retrieve the value for a string variable.
|
|
</summary>
|
|
<param name="name">The name of the variable.</param>
|
|
<param name="value">The current value of the variable.</param>
|
|
<returns>Returns <c>True</c> if successful; otherwise <c>False</c>.</returns>
|
|
</member>
|
|
<member name="M:Tesseract.TesseractEngine.TryPrintVariablesToFile(System.String)">
|
|
<summary>
|
|
Attempts to print the variables to the file.
|
|
</summary>
|
|
<param name="filename"></param>
|
|
<returns></returns>
|
|
</member>
|
|
<member name="P:Tesseract.TesseractEnviornment.CustomSearchPath">
|
|
<summary>
|
|
Gets or sets a search path that will be checked first when attempting to load the Tesseract and Leptonica dlls.
|
|
</summary>
|
|
<remarks>
|
|
This search path should not include the platform component as this will automatically be appended to the string based on the detected platform.
|
|
</remarks>
|
|
</member>
|
|
<member name="T:Tesseract.TesseractException">
|
|
<summary>
|
|
Desctiption of TesseractException.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.TextLineOrder">
|
|
<summary>
|
|
The text lines are read in the given sequence.
|
|
</summary>
|
|
<remarks>
|
|
<para>
|
|
For example in English the order is top-to-bottom. Chinese vertical text lines
|
|
are read right-to-left. While Mongolian is written in vertical columns
|
|
like Chinese but read left-to-right.
|
|
</para>
|
|
<para>
|
|
Note that only some combinations makes sense for example <see cref="F:Tesseract.WritingDirection.LeftToRight"/> implies
|
|
<see cref="F:Tesseract.TextLineOrder.TopToBottom" />.
|
|
</para>
|
|
</remarks>
|
|
</member>
|
|
<member name="F:Tesseract.TextLineOrder.LeftToRight">
|
|
<summary>
|
|
The text lines form vertical columns ordered left to right.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.TextLineOrder.RightToLeft">
|
|
<summary>
|
|
The text lines form vertical columns ordered right to left.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.TextLineOrder.TopToBottom">
|
|
<summary>
|
|
The text lines form horizontal columns ordered top to bottom.
|
|
</summary>
|
|
</member>
|
|
<member name="T:Tesseract.WritingDirection">
|
|
<summary>
|
|
The grapheme cluster within a line of text are laid out logically in this direction,
|
|
judged when looking at the text line rotated so that Orientation is "page up".
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.WritingDirection.LeftToRight">
|
|
<summary>
|
|
The text line from the left hand side to the right hand side when the page is rotated so it's orientation is <see cref="F:Tesseract.Orientation.PageUp" />.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.WritingDirection.RightToLeft">
|
|
<summary>
|
|
The text line from the right hand side to the left hand side when the page is rotated so it's orientation is <see cref="F:Tesseract.Orientation.PageUp" />.
|
|
</summary>
|
|
</member>
|
|
<member name="F:Tesseract.WritingDirection.TopToBottom">
|
|
<summary>
|
|
The text line from the top to the bottom of the page when the page is rotated so it's orientation is <see cref="F:Tesseract.Orientation.PageUp" />.
|
|
</summary>
|
|
</member>
|
|
<member name="M:InteropDotNet.LibraryLoader.CheckCurrentAppDomainBin(System.String,System.String)">
|
|
<summary>
|
|
Special test for web applications.
|
|
</summary>
|
|
<remarks>
|
|
Note that this makes a couple of assumptions these being:
|
|
|
|
<list type="bullet">
|
|
<item>That the current application domain's location for web applications corresponds to the web applications root directory.</item>
|
|
<item>That the tesseract\leptonica dlls reside in the corresponding x86 or x64 directories in the bin directory under the apps root directory.</item>
|
|
</list>
|
|
</remarks>
|
|
<param name="fileName"></param>
|
|
<param name="platformName"></param>
|
|
<returns></returns>
|
|
</member>
|
|
</members>
|
|
</doc>
|