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adding comments to FT_Get_Next_Char

This commit is contained in:
David Turner 2002-02-08 10:50:12 +00:00
parent 60a1fab094
commit 57b8fcacd3
2 changed files with 35 additions and 3 deletions
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8
ChangeLog
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@ -1,3 +1,9 @@
2002-02-08 David Turner <david@freetype.org>
* include/freetype/freetype.h: adding comments to FT_Get_Next_Char
note that this function might temporarily be removed for the 2.0.8
release..
2002-02-07 David Turner <david@freetype.org>
* src/pcf/pcfread.c (pcf_load_font): Removed immature support of
@ -32,6 +38,7 @@
better (delaying format checks out of FT_Access_Frame ..
FT_Forget_Frame blocks to avoid leaving the stream in an incorrect
state when encountering an invalid PCF font).
* src/pcf/pcfdriver.c (PCF_Done_Face): Renamed to ...
(PCF_Face_Done): This.
(PCF_Init_Face): Renamed to ...
@ -41,6 +48,7 @@
(PCF_Get_Next_Char): Renamed to ...
(PCF_Char_Get_Next): This.
(pcf_driver_class): Updated.
* src/pcf/pcf.h (PCF_Done_Face): Removed.
2002-02-06 Detlef Würkner <TetiSoft@apg.lahn.de>

30
include/freetype/freetype.h
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@ -2398,15 +2398,39 @@ FT_BEGIN_HEADER
/* FT_Get_Next_Char */
/* */
/* <Description> */
/* Returns the next charcode that is defined in the charmap. */
/* Returns the next charcode that is defined in a face's current */
/* charmap. */
/* */
/* <Input> */
/* face :: A handle to the source face object. */
/* */
/* charcode :: The character code. */
/* charcode :: The current character code. */
/* */
/* <Return> */
/* The charcode. 0 means `no encoded values above charcode'. */
/* The next character code in the current charmap. 0 means */
/* `no encoded values above charcode'. */
/* */
/* <Note> */
/* You can always retrieve the first charcode in a given charmap */
/* by calling FT_Get_Next_Char(face,0) */
/* */
/* (this assumes that 0 is not a valid character code in any known */
/* charmap format, which is basically true for TrueType and Type1) */
/* */
/* note that certain charmaps can map character codes to "empty" */
/* glyphs sometimes. Here are two examples: */
/* */
/* - the embedded bitmaps were stripped from the font, and certain */
/* glyphs didn't have a corresponding outline */
/* */
/* - the font is a sub-set of another one and was generated with */
/* a tool that simply changed the glyph tables, but not the */
/* charmap.. */
/* */
/* you should thus use this function only to enumerate charmaps. If */
/* you need to determine the list of "displayable" glyphs, you'll */
/* need to use FT_Load_Glyph or wait until we provide another API */
/* to do that.. */
/* */
FT_EXPORT( FT_ULong )
FT_Get_Next_Char( FT_Face face,