Irrlicht Engine

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tt_font->draw( L"Simple font test!", rect<s32>( 0, 0,100, 100), SColor( 0, 50, 50, 50), false, false,0);

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void* ptr = tex->lock(video::ETLM_READ_ONLY);

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1>path\irrUString.h(3849) : error C2039: 'unary_function' : is not a member of 'std'
1>path\irrUString.h(3849) : error C2504: 'unary_function' : base class undefined
1>path\irrUString.h(3849) : error C2143: syntax error : missing ',' before '<'
 

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#ifndef USTRING_NO_STL
#   include <string>
#   include <iterator>
#   include <ostream>
#   include <functional> // Add this line
#endif
 

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  video::IImage* CGUITTFont::createTextureFromChar(const uchar32_t& ch)
  {
        using namespace video; //add this line, might as well here since its only needed in this scope
 

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        // Acquire a read-only lock of the corresponding page texture.
        void* ptr = tex->lock(ETLM_READ_ONLY); //true gets changed to ETLM_READ_ONLY (needs video namespace)
 

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                                IMesh* meshcopy = mani->createMeshCopy(shared_plane_ptr_);
                                mani->scale(meshcopy, vector3df((f32)letter_size.Width, (f32)letter_size.Height, 1)); //this line is changed to scale from scaleMesh
 

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#include <irrlicht.h>
#include "irrUString.h"

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core::stringw  result = L"";
core::ustring result2 = L"";
 
result2=(core::ustring)description; // change the data type to ustring (Is this ok?), "description is the raw text in stringw"
result = (result2.toWCHAR()); // Try to get the proper conversion to WCHAR (got error C2679)
list->addItem(result.c_str()); // Add the result in a listbox to see if the text is converted properly.