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Contains the visual (glyph) attributes that identify clusters and justification points, as generated by ScriptShape.
Syntax
typedef struct tag_SCRIPT_VISATTR {
WORD uJustification : 4;
WORD fClusterStart : 1;
WORD fDiacritic : 1;
WORD fZeroWidth : 1;
WORD fReserved : 1;
WORD fShapeReserved : 8;
} SCRIPT_VISATTR;
Members
uJustification
Justification class for the glyph. See SCRIPT_JUSTIFY.
fClusterStart
Value indicating the logical first glyph in every cluster, even for clusters containing just one glyph. Possible values are defined in the following table.
| Value | Meaning |
|---|---|
|
The glyph is the logical first glyph of the cluster. |
|
The glyph is not the logical first glyph of the cluster. |
fDiacritic
Value indicating if a glyph combines with base characters. Possible values are defined in the following table.
| Value | Meaning |
|---|---|
|
The glyph does combine with base characters. |
|
The glyph does not combine with base characters. |
fZeroWidth
Value set by the shaping engine to indicate a zero-width character, such as ZWJ and ZWNJ. This value is set for some, but not all, zero-width characters. Possible values are defined in the following table.
| Value | Meaning |
|---|---|
|
The glyph indicates a zero-width character. |
|
The glyph does not indicate a zero-width character. |
fReserved
Reserved; always initialize to 0.
fShapeReserved
Reserved; for use by shaping engines.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Header | usp10.h |
| Redistributable | Internet Explorer 5 or later onWindows Me/98/95 |