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"http://www.w3.org/TR/html4/loose.dtd">

        

        

           
           
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FreeType-2.5.0 API Reference

        

        

           
           
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[Index]
        

        

           
           
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[TOC]

        

        

           
           
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FreeType-2.5.0 API Reference

        

        

           
           
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The TrueType Engine

        

        

           
           
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Synopsis

        

        

           
           
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FT_TrueTypeEngineTypeFT_Get_TrueType_Engine_Type

        
        

           
           
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This section contains a function used to query the level of TrueType bytecode support compiled in this version of the library.

        

        

           
           
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FT_TrueTypeEngineType

        

        

           
           
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Defined in FT_MODULE_H (freetype/ftmodapi.h).

        

        

           
           
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  typedef enum  FT_TrueTypeEngineType_

        

        

           
           
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  {

        

        

           
           
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    FT_TRUETYPE_ENGINE_TYPE_NONE = 0,

        

        

           
           
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    FT_TRUETYPE_ENGINE_TYPE_UNPATENTED,

        

        

           
           
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    FT_TRUETYPE_ENGINE_TYPE_PATENTED

        

        

           
           
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  } FT_TrueTypeEngineType;

        

        

           
           
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A list of values describing which kind of TrueType bytecode engine is implemented in a given FT_Library instance. It is used by the FT_Get_TrueType_Engine_Type function.

        

        

           
           
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values

        

        

           
           
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FT_TRUETYPE_ENGINE_TYPE_NONE

        
        

           
           
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The library doesn't implement any kind of bytecode interpreter.

        

        

           
           
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FT_TRUETYPE_ENGINE_TYPE_UNPATENTED

        
        

           
           
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The library implements a bytecode interpreter that doesn't support the patented operations of the TrueType virtual machine.

        

        

           
           
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Its main use is to load certain Asian fonts which position and scale glyph components with bytecode instructions. It produces bad output for most other fonts.

        

        

           
           
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FT_TRUETYPE_ENGINE_TYPE_PATENTED

        
        

           
           
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The library implements a bytecode interpreter that covers the full instruction set of the TrueType virtual machine (this was governed by patents until May 2010, hence the name).

        

        

           
           
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since

        

        

           
           
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2.2

        

        

           
           
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[Index]
        

        

           
           
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[TOC]

        

        

           
           
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FT_Get_TrueType_Engine_Type

        

        

           
           
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Defined in FT_MODULE_H (freetype/ftmodapi.h).

        

        

           
           
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  FT_EXPORT( FT_TrueTypeEngineType )

        

        

           
           
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  FT_Get_TrueType_Engine_Type( FT_Library  library );

        

        

           
           
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Return an FT_TrueTypeEngineType value to indicate which level of the TrueType virtual machine a given library instance supports.

        

        

           
           
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input

        

        

           
           
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library
        

        

           
           
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A library instance.

        

        

           
           
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return

        

        

           
           
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A value indicating which level is supported.

        

        

           
           
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since

        

        

           
           
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2.2

        

        

           
           
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[Index]
        

        

           
           
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[TOC]

        

        

           
           
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