2.1.2.1 ClipPrecision Flags

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ClipPrecision Flags specify clipping precision, which defines how to clip characters that are partially outside a clipping region. These flags can be combined to specify multiple options.

Constant/value

Description

CLIP_DEFAULT_PRECIS

0x00000000

Specifies that default clipping MUST be used.

CLIP_CHARACTER_PRECIS

0x00000001

This value SHOULD NOT be used.

CLIP_STROKE_PRECIS

0x00000002

This value MAY be returned when enumerating rasterized, TrueType and vector fonts.<31>

CLIP_LH_ANGLES

0x00000010

This value is used to control font rotation, as follows:

  • If set, the rotation for all fonts SHOULD be determined by the orientation of the coordinate system; that is, whether the orientation is left-handed or right-handed.

  • If clear, device fonts SHOULD rotate counterclockwise, but the rotation of other fonts SHOULD be determined by the orientation of the coordinate system.

CLIP_TT_ALWAYS

0x00000020

This value SHOULD NOT<32> be used.

CLIP_DFA_DISABLE

0x00000040

This value specifies that font association SHOULD<33> be turned off.

CLIP_EMBEDDED

0x00000080

This value specifies that font embedding MUST be used to render document content; embedded fonts are read-only.