public static int BaseApiSetDebugVariable(HandleRef handle, string name, string value)
{
IntPtr valuePtr = IntPtr.Zero;
try {
valuePtr = MarshalHelper.StringToPtr(value, Encoding.UTF8);
return(Native.BaseApiSetDebugVariable(handle, name, valuePtr));
} finally {
if (valuePtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(valuePtr);
}
}
}
public static string ResultIteratorGetUTF8Text(HandleRef handle, PageIteratorLevel level)
{
IntPtr txtHandle = Native.ResultIteratorGetUTF8TextInternal(handle, level);
if (txtHandle != IntPtr.Zero)
{
var result = MarshalHelper.PtrToString(txtHandle, Encoding.UTF8);
TessApi.Native.DeleteText(txtHandle);
return(result);
}
else
{
return(null);
}
}
public static string BaseAPIGetUTF8Text(HandleRef handle)
{
IntPtr txtHandle = Native.BaseAPIGetUTF8TextInternal(handle);
if (txtHandle != IntPtr.Zero)
{
var result = MarshalHelper.PtrToString(txtHandle, Encoding.UTF8);
TessApi.Native.DeleteText(txtHandle);
return(result);
}
else
{
return(null);
}
}
//Just Copied:
public static string BaseAPIGetHOCRText2(HandleRef handle, int pageNum)
{
IntPtr txtHandle = Native.BaseApiGetHOCRTextInternal(handle, pageNum);
if (txtHandle != IntPtr.Zero)
{
var result = MarshalHelper.PtrToString(txtHandle, Encoding.UTF8);
TessApi.Native.DeleteText(txtHandle);
return(xhtmlBeginTag + result + xhtmlEndTag);
}
else
{
return(null);
}
}
public static string ResultIteratorGetWordRecognitionLanguage(HandleRef handle)
{
IntPtr txtHandle = Native.ResultIteratorGetWordRecognitionLanguageInternal(handle);
if (txtHandle != IntPtr.Zero)
{
var result = MarshalHelper.PtrToString(txtHandle, Encoding.UTF8);
// txtHandle must not be deleted, see method WordRecognistionLanguage
// in tesseract/ccmain/ltrresultiterator.h.
return(result);
}
else
{
return(null);
}
}
public static string ResultIteratorGetWordFontAttributes(HandleRef handle,
out bool isBold, out bool isItalic, out bool isUnderlined,
out bool isMonospace, out bool isSerif, out bool isSmallCaps,
out int pointSize, out int fontId)
{
int bold, italic, underlined, monospace, serif, smallCaps;
IntPtr txtHandle = Native.ResultIteratorGetWordFontAttributesInternal(handle,
out bold, out italic, out underlined,
out monospace, out serif, out smallCaps,
out pointSize, out fontId);
if (txtHandle != IntPtr.Zero)
{
var result = MarshalHelper.PtrToString(txtHandle, Encoding.UTF8);
// txtHandle must not be deleted, see method WordFontAttributes
// in tesseract/ccmain/ltrresultiterator.h.
isBold = Convert.ToBoolean(bold);
isItalic = Convert.ToBoolean(italic);
isUnderlined = Convert.ToBoolean(underlined);
isMonospace = Convert.ToBoolean(monospace);
isSerif = Convert.ToBoolean(serif);
isSmallCaps = Convert.ToBoolean(smallCaps);
return(result);
}
else
{
isBold = false;
isItalic = false;
isUnderlined = false;
isMonospace = false;
isSerif = false;
isSmallCaps = false;
pointSize = 0;
fontId = -1;
return(null);
}
}
public static string BaseApiGetStringVariable(HandleRef handle, string name)
{
var resultHandle = Native.BaseApiGetStringVariableInternal(handle, name);
return(MarshalHelper.PtrToString(resultHandle, Encoding.UTF8));
}
internal static string getLeptonicaVersion()
{
return(MarshalHelper.PtrToString(getLeptonicaVersionInternal()));
}
internal static extern IntPtr ChoiceIteratorGetUTF8TextInternal(HandleRef handle); // Returns internal memory
internal static string ChoiceIteratorGetUTF8Text(HandleRef handle)
{
return(MarshalHelper.PtrToString(ChoiceIteratorGetUTF8TextInternal(handle)));
}
internal static string GetVersion()
{
return(MarshalHelper.PtrToString(GetVersionInternal())); // Do not free as it is a constant on the stack
}
internal static string BaseApiGetStringVariable(HandleRef handle, string name)
{
return(MarshalHelper.PtrToString(BaseApiGetStringVariableInternal(handle, name))); // return string cannot be deleted, it comes from a c_str call.
}
