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* include/freetype/freetype.h: Clarify `FT_Size` life cycle.

This commit is contained in:
Alexei Podtelezhnikov 2022-01-20 15:06:09 +00:00
parent 054782c48e
commit 99a940f84a
1 changed files with 7 additions and 6 deletions
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13
include/freetype/freetype.h
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@ -526,9 +526,11 @@ FT_BEGIN_HEADER
* functions like @FT_Load_Glyph to determine the scaling transformation
* that in turn is used to load and hint glyphs and metrics.
*
* You can use @FT_Set_Char_Size, @FT_Set_Pixel_Sizes, @FT_Request_Size
* A newly created `FT_Size` object contains only meaningless zero values.
* You must use @FT_Set_Char_Size, @FT_Set_Pixel_Sizes, @FT_Request_Size
* or even @FT_Select_Size to change the content (i.e., the scaling
* values) of the active `FT_Size`.
* values) of the active `FT_Size`. Otherwise, the scaling and hinting
* will not be performed.
*
* You can use @FT_New_Size to create additional size objects for a given
* @FT_Face, but they won't be used by other functions until you activate
@ -2828,10 +2830,9 @@ FT_BEGIN_HEADER
*
* @note:
* For proper scaling and hinting, the active @FT_Size object owned by
* the face has to be meaningfully non-trivially initialized by
* calling @FT_Set_Char_Size before this function, for example.
* The loaded glyph may be transformed. See @FT_Set_Transform for the
* details.
* the face has to be meaningfully initialized by calling
* @FT_Set_Char_Size before this function, for example. The loaded
* glyph may be transformed. See @FT_Set_Transform for the details.
*
* For subsetted CID-keyed fonts, `FT_Err_Invalid_Argument` is returned
* for invalid CID values (this is, for CID values that don't have a