Commit 7dc7f21533899dcbbc6a4dca4c2013bf808ec055

David Turner 2006-04-13T16:31:02

doc updates - fixing FT_Stroker_New to use a FT_Library instead of a FT_Memory i know, i know, the ChangeLog will be updated later

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diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 8ef489c..2674563 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -147,12 +147,12 @@ FT_BEGIN_HEADER
   /*    FT_Attach_File                                                     */
   /*    FT_Attach_Stream                                                   */
   /*                                                                       */
-  /*    FT_Size_Request_Type                                               */
-  /*    FT_Size_Request                                                    */
-  /*    FT_Request_Size                                                    */
-  /*    FT_Select_Size                                                     */
   /*    FT_Set_Char_Size                                                   */
   /*    FT_Set_Pixel_Sizes                                                 */
+  /*    FT_Request_Size                                                    */
+  /*    FT_Select_Size                                                     */
+  /*    FT_Size_Request_Type                                               */
+  /*    FT_Size_Request                                                    */
   /*    FT_Set_Transform                                                   */
   /*    FT_Load_Glyph                                                      */
   /*    FT_Get_Char_Index                                                  */
@@ -211,8 +211,8 @@ FT_BEGIN_HEADER
   /* <Description>                                                         */
   /*    A structure used to model the metrics of a single glyph.  The      */
   /*    values are expressed in 26.6 fractional pixel format; if the flag  */
-  /*    FT_LOAD_NO_SCALE is used, values are returned in font units        */
-  /*    instead.                                                           */
+  /*    @FT_LOAD_NO_SCALE was used when loading the glyph, values are      */
+  /*    expressed in font units instead.                                   */
   /*                                                                       */
   /* <Fields>                                                              */
   /*    width ::                                                           */
@@ -407,20 +407,22 @@ FT_BEGIN_HEADER
   /*    FT_Size                                                            */
   /*                                                                       */
   /* <Description>                                                         */
-  /*    A handle to a given size object which  models a face object at a   */
-  /*    given size.                                                        */
+  /*    A handle to an object used to model a face scaled to a given       */
+  /*    character size.                                                    */
   /*                                                                       */
   /* <Note>                                                                */
-  /*    Each face object owns one or more sizes.  There is however a       */
-  /*    single _active_ size for the face at any time that is used by      */
-  /*    functions like @FT_Load_Glyph, @FT_Get_Kerning, etc.               */
+  /*    Each @FT_Face has an _active_ @FT_Size object that is used by      */
+  /*    functions like @FT_Load_Glyph to determine the scaling transform   */
+  /*    used to load and hint glyph and metrics.                           */
   /*                                                                       */
-  /*    You can use @FT_New_Size to allocate new size objects for a face   */
-  /*    object and @FT_Activate_Size to activate.                          */
+  /*    You can use @FT_Set_Char_Size, @FT_Set_Pixel_Sizes,                */
+  /*    @FT_Request_Size or even @FT_Select_Size to change the content     */
+  /*    (i.e. scale) of the active @FT_Size.                               */
   /*                                                                       */
-  /*    You can use @FT_Request_Size, @FT_Select_Size, etc., to change the */
-  /*    size that the active size object models.  Note that size changing  */
-  /*    can be expensive for some font formats.                            */
+  /*    You can use @FT_New_Size to create additionnal size objects for a  */
+  /*    given @FT_Face, but they won't be used by other functions until    */
+  /*    you activate it through @FT_Activate_Size. Only one size can be    */
+  /*    activated at any given time per face.                              */
   /*                                                                       */
   /* <Also>                                                                */
   /*    The @FT_SizeRec structure details the publicly accessible fields   */
@@ -517,17 +519,17 @@ FT_BEGIN_HEADER
   /*    FT_Encoding                                                        */
   /*                                                                       */
   /* <Description>                                                         */
-  /*    An enumeration used to specify encodings supported by charmaps.    */
-  /*    Used in the @FT_Select_Charmap API function.                       */
+  /*    An enumeration used to specify character sets supported by         */
+  /*    charmaps. Used in the @FT_Select_Charmap API function.             */
   /*                                                                       */
   /* <Note>                                                                */
+  /*    Despite the name, this enum lists specific character repertories   */
+  /*    (i.e. charsets), and not text encoding methods (e.g. UTF-8,        */
+  /*    UTF-16, GB2312_EUC, etc...)                                        */
+  /*                                                                       */
   /*    Because of 32-bit charcodes defined in Unicode (i.e., surrogates), */
   /*    all character codes must be expressed as FT_Longs.                 */
   /*                                                                       */
-  /*    The values of this type correspond to specific character           */
-  /*    repertories (i.e. charsets), and not to text encoding methods      */
-  /*    (like UTF-8, UTF-16, GB2312_EUC, etc.).                            */
-  /*                                                                       */
   /*    Other encodings might be defined in the future.                    */
   /*                                                                       */
   /* <Values>                                                              */
@@ -1154,12 +1156,10 @@ FT_BEGIN_HEADER
    *   FT_HAS_FAST_GLYPHS( face )
    *
    * @description:
-   *   Deprecated; indicates that the face contains so-called `fast' glyph
-   *   bitmaps.
+   *   Deprecated;
    *
    */
-#define FT_HAS_FAST_GLYPHS( face ) \
-          ( face->face_flags & FT_FACE_FLAG_FAST_GLYPHS )
+#define FT_HAS_FAST_GLYPHS( face )   0
 
 
   /*************************************************************************
@@ -1333,6 +1333,9 @@ FT_BEGIN_HEADER
   /*    The subglyph implementation is not part of the high-level API,     */
   /*    hence the forward structure declaration.                           */
   /*                                                                       */
+  /*    You can however retrieve subglyph information with                 */
+  /*    @FT_Get_SubGlyph_Info                                              */
+  /*                                                                       */
   typedef struct FT_SubGlyphRec_*  FT_SubGlyph;
 
 
@@ -1923,8 +1926,8 @@ FT_BEGIN_HEADER
   /* <Description>                                                         */
   /*    `Attach' data to a face object.  This is usually used to read      */
   /*    additional information for the face object.  For example, you can  */
-  /*    attach an AFM file that come with a Type 1 font to get the kerning */
-  /*    values and other metrics.                                          */
+  /*    attach an AFM file that comes with a Type 1 font to get the        */
+  /*    kerning values and other metrics.                                  */
   /*                                                                       */
   /* <InOut>                                                               */
   /*    face       :: The target face object.                              */
@@ -1942,7 +1945,7 @@ FT_BEGIN_HEADER
   /*    depends on the font format (and thus the font driver).             */
   /*                                                                       */
   /*    Client applications are expected to know what they are doing       */
-  /*    when invoking this function.  Most drivers simply do not implement */
+  /*    when invoking this function. Most drivers simply do not implement  */
   /*    file attachments.                                                  */
   /*                                                                       */
   FT_EXPORT( FT_Error )
@@ -2090,7 +2093,7 @@ FT_BEGIN_HEADER
   /*    FT_Request_Size                                                    */
   /*                                                                       */
   /* <Description>                                                         */
-  /*    Request the size of the active size object of a given face object. */ 
+  /*    Resize the scale of the active @FT_Size object in a face.          */
   /*                                                                       */
   /* <InOut>                                                               */
   /*    face :: A handle to a target face object.                          */
@@ -2129,9 +2132,9 @@ FT_BEGIN_HEADER
   /*                                                                       */
   /*    char_height     :: The nominal height, in 26.6 fractional points.  */
   /*                                                                       */
-  /*    horz_resolution :: The horizontal resolution.                      */
+  /*    horz_resolution :: The horizontal resolution in dpi.               */
   /*                                                                       */
-  /*    vert_resolution :: The vertical resolution.                        */
+  /*    vert_resolution :: The vertical resolution in dpi.                 */
   /*                                                                       */
   /* <Return>                                                              */
   /*    FreeType error code.  0 means success.                             */
@@ -2261,7 +2264,7 @@ FT_BEGIN_HEADER
    *     operation.  In this case, the following happens:
    *
    *     1. FreeType looks for a bitmap for the glyph corresponding to the
-   *        face's current size.  If one is found, the function returns. 
+   *        face's current size.  If one is found, the function returns.
    *        The bitmap data can be accessed from the glyph slot (see note
    *        below).
    *
@@ -2799,7 +2802,7 @@ FT_BEGIN_HEADER
   /*    FT_Get_Postscript_Name                                             */
   /*                                                                       */
   /* <Description>                                                         */
-  /*    Retriev the ASCII Postscript name of a given face, if available.   */
+  /*    Retrieve the ASCII Postscript name of a given face, if available.  */
   /*    This only works with Postscript and TrueType fonts.                */
   /*                                                                       */
   /* <Input>                                                               */
@@ -2909,10 +2912,11 @@ FT_BEGIN_HEADER
   /*    The glyph index.  0 means `undefined character code'.              */
   /*                                                                       */
   /* <Note>                                                                */
-  /*    FreeType computes its own glyph indices which are not necessarily  */
-  /*    the same as used in the font in case the font is based on glyph    */
-  /*    indices.  Reason for this behaviour is to assure that index 0 is   */
-  /*    never used, representing the missing glyph.                        */
+  /*    If you use FreeType to manipulate the content of font files        */
+  /*    directly, be aware that the glyph index returned by this function  */
+  /*    doesn't always correspond to the internal indices used within      */
+  /*    the file. This is done to ensure that value 0 always correspond    */
+  /*    to 'missing glyph'                                                 */
   /*                                                                       */
   FT_EXPORT( FT_UInt )
   FT_Get_Char_Index( FT_Face   face,
diff --git a/include/freetype/ftcache.h b/include/freetype/ftcache.h
index c63b2b2..430f4af 100644
--- a/include/freetype/ftcache.h
+++ b/include/freetype/ftcache.h
@@ -285,14 +285,14 @@ FT_BEGIN_HEADER
   /*    library   :: The parent FreeType library handle to use.            */
   /*                                                                       */
   /*    max_faces :: Maximum number of opened @FT_Face objects managed by  */
-  /*                 this cache instance.                                  */
+  /*                 this cache instance. Use 0 for defaults               */
   /*                                                                       */
   /*    max_sizes :: Maximum number of opened @FT_Size objects managed by  */
-  /*                 this cache instance.                                  */
+  /*                 this cache instance. Use 0 for defaults               */
   /*                                                                       */
   /*    max_bytes :: Maximum number of bytes to use for cached data nodes. */
   /*                 Use 0 for defaults.  Note that this value does not    */
-  /*                 account for managed FT_Face and FT_Size objects.      */
+  /*                 account for managed @FT_Face and @FT_Size objects.    */
   /*                                                                       */
   /*    requester :: An application-provided callback used to translate    */
   /*                 face IDs into real @FT_Face objects.                  */
@@ -384,8 +384,8 @@ FT_BEGIN_HEADER
   /*    _within_ the lookup and force incremental flushes of the cache     */
   /*    until enough memory is released for the lookup to succeed.         */
   /*                                                                       */
-  /*    If a lookup fails with FT_Err_Out_Of_Memory the cache has already  */
-  /*    been completely flushed, and still no memory is available for the  */
+  /*    If a lookup fails with @FT_Err_Out_Of_Memory the cache has already */
+  /*    been completely flushed, and still no memory was available for the */
   /*    operation.                                                         */
   /*                                                                       */
   FT_EXPORT( FT_Error )
@@ -500,7 +500,27 @@ FT_BEGIN_HEADER
                   FTC_Manager  manager );
 
 
-  /* remove all nodes belonging to a given face_id */
+ /**
+  * @function: FTC_Manager_RemoveFaceID
+  *
+  * @description:
+  *   a special function used to indicate to the cache manager that
+  *   a given @FTC_FaceID is no longer valid, either because it
+  *   content changed, or because it was deallocated/uninstalled
+  *
+  * @input:
+  *   manager :: cache manager handle
+  *   face_id :: the @FTC_FaceID to be removed
+  *
+  * @note:
+  *   this function will flush all nodes from the cache corresponding
+  *   to this face_id, with the exception of nodes with a non-0 reference
+  *   count.
+  *
+  *   these nodes are however modified internally so as to never appear
+  *   in later lookups with the same face_id value, and to be immediately
+  *   destroyed when released by all their users.
+  */
   FT_EXPORT( void )
   FTC_Manager_RemoveFaceID( FTC_Manager  manager,
                             FTC_FaceID   face_id );
@@ -519,7 +539,7 @@ FT_BEGIN_HEADER
    *   FTC_CMapCache
    *
    * @description:
-   *   An opaque handle used to manager a charmap cache.  This cache is to
+   *   An opaque handle used to model a charmap cache.  This cache is to
    *   hold character codes -> glyph indices mappings.
    *
    */
@@ -606,6 +626,18 @@ FT_BEGIN_HEADER
   /*************************************************************************/
   /*************************************************************************/
 
+ /**
+  * @struct: FTC_ImageTypeRec
+  *
+  * @description:
+  *   a structure used to model the type of images in a glyph cache
+  *
+  * @fields:
+  *   face_id :: the face id
+  *   width   :: width in pixels
+  *   height  :: height in pixels
+  *   flags   :: load flags, as in @FT_Load_Glyph
+  */
   typedef struct  FTC_ImageTypeRec_
   {
     FTC_FaceID  face_id;
@@ -615,6 +647,12 @@ FT_BEGIN_HEADER
 
   } FTC_ImageTypeRec;
 
+ /**
+  * @type: FTC_ImageType
+  *
+  * @description:
+  *   handle to an @FTC_ImageTypeRec structure
+  */
   typedef struct FTC_ImageTypeRec_*  FTC_ImageType;
 
 
diff --git a/include/freetype/ftchapters.h b/include/freetype/ftchapters.h
index 9fd25a3..7b59ccf 100644
--- a/include/freetype/ftchapters.h
+++ b/include/freetype/ftchapters.h
@@ -55,8 +55,6 @@
 /*    bdf_fonts                                                            */
 /*    pfr_fonts                                                            */
 /*    winfnt_fonts                                                         */
-/*    ot_validation                                                        */
-/*    gx_validation                                                        */
 /*                                                                         */
 /***************************************************************************/
 
diff --git a/include/freetype/ftglyph.h b/include/freetype/ftglyph.h
index 14050a2..2b6b4b5 100644
--- a/include/freetype/ftglyph.h
+++ b/include/freetype/ftglyph.h
@@ -150,8 +150,8 @@ FT_BEGIN_HEADER
   /*    bitmap :: A descriptor for the bitmap.                             */
   /*                                                                       */
   /* <Note>                                                                */
-  /*    You can typecast FT_Glyph to FT_BitmapGlyph if you have            */
-  /*    glyph->format == FT_GLYPH_FORMAT_BITMAP.  This lets you access     */
+  /*    You can typecast a @FT_Glyph to @FT_BitmapGlyph if you have        */
+  /*    'glyph->format == FT_GLYPH_FORMAT_BITMAP'.  This lets you access   */
   /*    the bitmap's contents easily.                                      */
   /*                                                                       */
   /*    The corresponding pixel buffer is always owned by the BitmapGlyph  */
@@ -194,13 +194,13 @@ FT_BEGIN_HEADER
   /*    outline :: A descriptor for the outline.                           */
   /*                                                                       */
   /* <Note>                                                                */
-  /*    You can typecast FT_Glyph to FT_OutlineGlyph if you have           */
-  /*    glyph->format == FT_GLYPH_FORMAT_OUTLINE.  This lets you access    */
+  /*    You can typecast a @FT_Glyph to @FT_OutlineGlyph if you have       */
+  /*    'glyph->format == FT_GLYPH_FORMAT_OUTLINE'.  This lets you access  */
   /*    the outline's content easily.                                      */
   /*                                                                       */
   /*    As the outline is extracted from a glyph slot, its coordinates are */
   /*    expressed normally in 26.6 pixels, unless the flag                 */
-  /*    FT_LOAD_NO_SCALE was used in FT_Load_Glyph() or FT_Load_Char().    */
+  /*    @FT_LOAD_NO_SCALE was used in @FT_Load_Glyph() or @FT_Load_Char(). */
   /*                                                                       */
   /*    The outline's tables are always owned by the object and are        */
   /*    destroyed with it.                                                 */
@@ -277,8 +277,7 @@ FT_BEGIN_HEADER
   /*              expressed in 1/64th of a pixel.                          */
   /*                                                                       */
   /* <Return>                                                              */
-  /*    FreeType error code (the glyph format is not scalable if it is     */
-  /*    not zero).                                                         */
+  /*    FreeType error code (if not 0, the glyph format is not scalable)   */
   /*                                                                       */
   /* <Note>                                                                */
   /*    The 2x2 transformation matrix is also applied to the glyph's       */
@@ -379,32 +378,36 @@ FT_BEGIN_HEADER
   /*    Coordinates are relative to the glyph origin, using the Y-upwards  */
   /*    convention.                                                        */
   /*                                                                       */
-  /*    If the glyph has been loaded with FT_LOAD_NO_SCALE, `bbox_mode'    */
-  /*    must be set to `FT_GLYPH_BBOX_UNSCALED' to get unscaled font       */
-  /*    units in 26.6 pixel format.  The value `FT_GLYPH_BBOX_SUBPIXELS'   */
+  /*    If the glyph has been loaded with @FT_LOAD_NO_SCALE, `bbox_mode'   */
+  /*    must be set to @FT_GLYPH_BBOX_UNSCALED to get unscaled font        */
+  /*    units in 26.6 pixel format.  The value @FT_GLYPH_BBOX_SUBPIXELS    */
   /*    is another name for this constant.                                 */
   /*                                                                       */
   /*    Note that the maximum coordinates are exclusive, which means that  */
   /*    one can compute the width and height of the glyph image (be it in  */
   /*    integer or 26.6 pixels) as:                                        */
   /*                                                                       */
+  /*    {                                                                  */
   /*      width  = bbox.xMax - bbox.xMin;                                  */
   /*      height = bbox.yMax - bbox.yMin;                                  */
+  /*    }                                                                  */
   /*                                                                       */
   /*    Note also that for 26.6 coordinates, if `bbox_mode' is set to      */
   /*    `FT_GLYPH_BBOX_GRIDFIT', the coordinates will also be grid-fitted, */
   /*    which corresponds to:                                              */
   /*                                                                       */
+  /*    {                                                                  */
   /*      bbox.xMin = FLOOR(bbox.xMin);                                    */
   /*      bbox.yMin = FLOOR(bbox.yMin);                                    */
   /*      bbox.xMax = CEILING(bbox.xMax);                                  */
   /*      bbox.yMax = CEILING(bbox.yMax);                                  */
+  /*    }                                                                  */
   /*                                                                       */
   /*    To get the bbox in pixel coordinates, set `bbox_mode' to           */
-  /*    `FT_GLYPH_BBOX_TRUNCATE'.                                          */
+  /*    @FT_GLYPH_BBOX_TRUNCATE.                                           */
   /*                                                                       */
   /*    To get the bbox in grid-fitted pixel coordinates, set `bbox_mode'  */
-  /*    to `FT_GLYPH_BBOX_PIXELS'.                                         */
+  /*    to @FT_GLYPH_BBOX_PIXELS.                                          */
   /*                                                                       */
   FT_EXPORT( void )
   FT_Glyph_Get_CBox( FT_Glyph  glyph,
diff --git a/include/freetype/ftstroke.h b/include/freetype/ftstroke.h
index 83a1ed5..00ec085 100644
--- a/include/freetype/ftstroke.h
+++ b/include/freetype/ftstroke.h
@@ -188,8 +188,7 @@ FT_BEGIN_HEADER
    *   `outside' borders of a given outline.
    *
    * @input:
-   *   outline ::
-   *     The source outline handle.
+   *   outline :: The source outline handle.
    *
    * @return:
    *   The border index.  @FT_STROKER_BORDER_LEFT for empty or invalid
@@ -208,17 +207,16 @@ FT_BEGIN_HEADER
    *   Create a new stroker object.
    *
    * @input:
-   *   memory ::
-   *     The memory manager handle.
+   *   library :: FreeType library handle
    *
    * @output:
-   *   A new stroker object handle.  NULL in case of error.
+   *   astroker :: A new stroker object handle.  NULL in case of error.
    *
    * @return:
    *    FreeType error code.  0 means success.
    */
   FT_EXPORT( FT_Error )
-  FT_Stroker_New( FT_Memory    memory,
+  FT_Stroker_New( FT_Library   library,
                   FT_Stroker  *astroker );
 
 
diff --git a/src/base/ftstroke.c b/src/base/ftstroke.c
index 26ff215..c5200b3 100644
--- a/src/base/ftstroke.c
+++ b/src/base/ftstroke.c
@@ -716,12 +716,17 @@
   /* documentation is in ftstroke.h */
 
   FT_EXPORT_DEF( FT_Error )
-  FT_Stroker_New( FT_Memory    memory,
+  FT_Stroker_New( FT_Library   library,
                   FT_Stroker  *astroker )
   {
     FT_Error    error;
+    FT_Memory   memory;
     FT_Stroker  stroker;
 
+    if ( !library )
+      return FT_Err_Invalid_Argument;
+
+    memory = library->memory;
 
     if ( !FT_NEW( stroker ) )
     {
diff --git a/src/tools/docmaker/content.py b/src/tools/docmaker/content.py
index ebfeb8b..22753dc 100644
--- a/src/tools/docmaker/content.py
+++ b/src/tools/docmaker/content.py
@@ -59,13 +59,13 @@ class DocCode:
         lines = self.dump_lines( 0, width )
         for l in lines:
             print prefix + l
-    
+
     def dump_lines( self, margin=0, width=60 ):
         result = []
         for l in self.lines:
             result.append( " "*margin + l )
         return result
-    
+
 
 
 #############################################################################
@@ -87,7 +87,7 @@ class DocPara:
         lines = self.dump_lines( 0, width )
         for l in lines:
             print prefix + l
-    
+
     def dump_lines( self, margin=0, width = 60 ):
         cur    = ""  # current line
         col    = 0   # current width
@@ -110,17 +110,17 @@ class DocPara:
 
         if col > 0:
             result.append( " "*margin + cur )
-            
+
         return result
 
-    
+
 
 
 #############################################################################
 #
 #  The DocField class is used to store a list containing either DocPara or
 #  DocCode objects. Each DocField also has an optional "name" which is used
-#  when the object corresponds to a field of value definition
+#  when the object corresponds to a field or value definition
 #
 class DocField:
 
@@ -210,10 +210,10 @@ class DocField:
         for p in self.items:
             if nl:
                 result.append( "" )
-                
+
             result.extend( p.dump_lines( margin, width ) )
             nl = 1
-            
+
         return result
 
 # this regular expression is used to detect field definitions
@@ -261,14 +261,14 @@ class DocMarkup:
 
         except:
             return None
-        
+
     def get_start( self ):
         try:
             result = ""
             for word in self.fields[0].items[0].words:
                 result = result + " " + word
             return result[1:]
-        
+
         except:
             return "ERROR"
 
@@ -320,7 +320,7 @@ class DocSection:
     def process( self ):
         # lookup one block that contains a valid section description
         for block in self.defs:
-            title = block.get_markup_text( "Title" )
+            title = block.get_markup_text( "title" )
             if title:
                 self.title       = title
                 self.abstract    = block.get_markup_words( "abstract" )
diff --git a/src/tools/docmaker/sources.py b/src/tools/docmaker/sources.py
index edc9f6c..923fa7b 100644
--- a/src/tools/docmaker/sources.py
+++ b/src/tools/docmaker/sources.py
@@ -135,8 +135,8 @@ re_crossref = re.compile( r'@(\w*)(.*)' )
 #
 # used to detect italic and bold styles in paragraph text
 #
-re_italic = re.compile( r"_(\w(\w|')*)_" )
-re_bold   = re.compile( r"\*(\w(\w|')*)\*" )
+re_italic = re.compile( r"_(\w(\w|')*)_" )     #  _italic_
+re_bold   = re.compile( r"\*(\w(\w|')*)\*" )   #  *bold*
 
 #
 # used to detect the end of commented source lines