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ftrender.h
资源名称：wow-313-source.rar　[点击查看]
上传用户：yisoukefu
上传日期：2020-08-09
资源大小：39506k
文件大小：11k
源码类别：

其他游戏

开发平台：

Visual C++

ftrender.h：源码内容
  1. /***************************************************************************/
  2. /*                                                                         */
  3. /*  ftrender.h                                                             */
  4. /*                                                                         */
  5. /*    FreeType renderer modules public interface (specification).          */
  6. /*                                                                         */
  7. /*  Copyright 1996-2001, 2005, 2006 by                                     */
  8. /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  9. /*                                                                         */
  10. /*  This file is part of the FreeType project, and may only be used,       */
  11. /*  modified, and distributed under the terms of the FreeType project      */
  12. /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  13. /*  this file you indicate that you have read the license and              */
  14. /*  understand and accept it fully.                                        */
  15. /*                                                                         */
  16. /***************************************************************************/
  19. #ifndef __FTRENDER_H__
  20. #define __FTRENDER_H__
  23. #include <ft2build.h>
  24. #include FT_MODULE_H
  25. #include FT_GLYPH_H
  28. FT_BEGIN_HEADER
  31.   /*************************************************************************/
  32.   /*                                                                       */
  33.   /* <Section>                                                             */
  34.   /*    module_management                                                  */
  35.   /*                                                                       */
  36.   /*************************************************************************/
  39.   /* create a new glyph object */
  40.   typedef FT_Error
  41.   (*FT_Glyph_InitFunc)( FT_Glyph      glyph,
  42.                         FT_GlyphSlot  slot );
  44.   /* destroys a given glyph object */
  45.   typedef void
  46.   (*FT_Glyph_DoneFunc)( FT_Glyph  glyph );
  48.   typedef void
  49.   (*FT_Glyph_TransformFunc)( FT_Glyph          glyph,
  50.                              const FT_Matrix*  matrix,
  51.                              const FT_Vector*  delta );
  53.   typedef void
  54.   (*FT_Glyph_GetBBoxFunc)( FT_Glyph  glyph,
  55.                            FT_BBox*  abbox );
  57.   typedef FT_Error
  58.   (*FT_Glyph_CopyFunc)( FT_Glyph   source,
  59.                         FT_Glyph   target );
  61.   typedef FT_Error
  62.   (*FT_Glyph_PrepareFunc)( FT_Glyph      glyph,
  63.                            FT_GlyphSlot  slot );
  65. /* deprecated */
  66. #define FT_Glyph_Init_Func       FT_Glyph_InitFunc
  67. #define FT_Glyph_Done_Func       FT_Glyph_DoneFunc
  68. #define FT_Glyph_Transform_Func  FT_Glyph_TransformFunc
  69. #define FT_Glyph_BBox_Func       FT_Glyph_GetBBoxFunc
  70. #define FT_Glyph_Copy_Func       FT_Glyph_CopyFunc
  71. #define FT_Glyph_Prepare_Func    FT_Glyph_PrepareFunc
  74.   struct  FT_Glyph_Class_
  75.   {
  76.     FT_Long                 glyph_size;
  77.     FT_Glyph_Format         glyph_format;
  78.     FT_Glyph_InitFunc       glyph_init;
  79.     FT_Glyph_DoneFunc       glyph_done;
  80.     FT_Glyph_CopyFunc       glyph_copy;
  81.     FT_Glyph_TransformFunc  glyph_transform;
  82.     FT_Glyph_GetBBoxFunc    glyph_bbox;
  83.     FT_Glyph_PrepareFunc    glyph_prepare;
  84.   };
  87.   typedef FT_Error
  88.   (*FT_Renderer_RenderFunc)( FT_Renderer       renderer,
  89.                              FT_GlyphSlot      slot,
  90.                              FT_UInt           mode,
  91.                              const FT_Vector*  origin );
  93.   typedef FT_Error
  94.   (*FT_Renderer_TransformFunc)( FT_Renderer       renderer,
  95.                                 FT_GlyphSlot      slot,
  96.                                 const FT_Matrix*  matrix,
  97.                                 const FT_Vector*  delta );
  100.   typedef void
  101.   (*FT_Renderer_GetCBoxFunc)( FT_Renderer   renderer,
  102.                               FT_GlyphSlot  slot,
  103.                               FT_BBox*      cbox );
  106.   typedef FT_Error
  107.   (*FT_Renderer_SetModeFunc)( FT_Renderer  renderer,
  108.                               FT_ULong     mode_tag,
  109.                               FT_Pointer   mode_ptr );
  111. /* deprecated identifiers */
  112. #define FTRenderer_render  FT_Renderer_RenderFunc
  113. #define FTRenderer_transform  FT_Renderer_TransformFunc
  114. #define FTRenderer_getCBox  FT_Renderer_GetCBoxFunc
  115. #define FTRenderer_setMode  FT_Renderer_SetModeFunc
  118.   /*************************************************************************/
  119.   /*                                                                       */
  120.   /* <Struct>                                                              */
  121.   /*    FT_Renderer_Class                                                  */
  122.   /*                                                                       */
  123.   /* <Description>                                                         */
  124.   /*    The renderer module class descriptor.                              */
  125.   /*                                                                       */
  126.   /* <Fields>                                                              */
  127.   /*    root         :: The root @FT_Module_Class fields.                  */
  128.   /*                                                                       */
  129.   /*    glyph_format :: The glyph image format this renderer handles.      */
  130.   /*                                                                       */
  131.   /*    render_glyph :: A method used to render the image that is in a     */
  132.   /*                    given glyph slot into a bitmap.                    */
  133.   /*                                                                       */
  134.   /*    set_mode     :: A method used to pass additional parameters.       */
  135.   /*                                                                       */
  136.   /*    raster_class :: For @FT_GLYPH_FORMAT_OUTLINE renderers only.  This */
  137.   /*                    is a pointer to its raster's class.                */
  138.   /*                                                                       */
  139.   /*    raster       :: For @FT_GLYPH_FORMAT_OUTLINE renderers only.  This */
  140.   /*                    is a pointer to the corresponding raster object,   */
  141.   /*                    if any.                                            */
  142.   /*                                                                       */
  143.   typedef struct  FT_Renderer_Class_
  144.   {
  145.     FT_Module_Class       root;
  147.     FT_Glyph_Format       glyph_format;
  149.     FT_Renderer_RenderFunc     render_glyph;
  150.     FT_Renderer_TransformFunc  transform_glyph;
  151.     FT_Renderer_GetCBoxFunc    get_glyph_cbox;
  152.     FT_Renderer_SetModeFunc    set_mode;
  154.     FT_Raster_Funcs*           raster_class;
  156.   } FT_Renderer_Class;
  159.   /*************************************************************************/
  160.   /*                                                                       */
  161.   /* <Function>                                                            */
  162.   /*    FT_Get_Renderer                                                    */
  163.   /*                                                                       */
  164.   /* <Description>                                                         */
  165.   /*    Retrieves the current renderer for a given glyph format.           */
  166.   /*                                                                       */
  167.   /* <Input>                                                               */
  168.   /*    library :: A handle to the library object.                         */
  169.   /*                                                                       */
  170.   /*    format  :: The glyph format.                                       */
  171.   /*                                                                       */
  172.   /* <Return>                                                              */
  173.   /*    A renderer handle.  0 if none found.                               */
  174.   /*                                                                       */
  175.   /* <Note>                                                                */
  176.   /*    An error will be returned if a module already exists by that name, */
  177.   /*    or if the module requires a version of FreeType that is too great. */
  178.   /*                                                                       */
  179.   /*    To add a new renderer, simply use @FT_Add_Module.  To retrieve a   */
  180.   /*    renderer by its name, use @FT_Get_Module.                          */
  181.   /*                                                                       */
  182.   FT_EXPORT( FT_Renderer )
  183.   FT_Get_Renderer( FT_Library       library,
  184.                    FT_Glyph_Format  format );
  187.   /*************************************************************************/
  188.   /*                                                                       */
  189.   /* <Function>                                                            */
  190.   /*    FT_Set_Renderer                                                    */
  191.   /*                                                                       */
  192.   /* <Description>                                                         */
  193.   /*    Sets the current renderer to use, and set additional mode.         */
  194.   /*                                                                       */
  195.   /* <InOut>                                                               */
  196.   /*    library    :: A handle to the library object.                      */
  197.   /*                                                                       */
  198.   /* <Input>                                                               */
  199.   /*    renderer   :: A handle to the renderer object.                     */
  200.   /*                                                                       */
  201.   /*    num_params :: The number of additional parameters.                 */
  202.   /*                                                                       */
  203.   /*    parameters :: Additional parameters.                               */
  204.   /*                                                                       */
  205.   /* <Return>                                                              */
  206.   /*    FreeType error code.  0 means success.                             */
  207.   /*                                                                       */
  208.   /* <Note>                                                                */
  209.   /*    In case of success, the renderer will be used to convert glyph     */
  210.   /*    images in the renderer's known format into bitmaps.                */
  211.   /*                                                                       */
  212.   /*    This doesn't change the current renderer for other formats.        */
  213.   /*                                                                       */
  214.   FT_EXPORT( FT_Error )
  215.   FT_Set_Renderer( FT_Library     library,
  216.                    FT_Renderer    renderer,
  217.                    FT_UInt        num_params,
  218.                    FT_Parameter*  parameters );
  221.   /* */
  224. FT_END_HEADER
  226. #endif /* __FTRENDER_H__ */
  229. /* END */