Enum IGDIPlus.TGPTextRenderingHint

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Latest revision as of 01:32, 7 June 2013

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Package: SignalLabBasicPkg

Unit: IGDIPlus

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 2 Summary 3 Description 4 Values

Syntax

Delphi:

type TGPTextRenderingHint = (TextRenderingHintSystemDefault, TextRenderingHintSingleBitPerPixelGridFit, TextRenderingHintSingleBitPerPixel, TextRenderingHintAntiAliasGridFit, TextRenderingHintAntiAlias, TextRenderingHintClearTypeGridFit);

C++ Builder:

enum TGPTextRenderingHint {TextRenderingHintSystemDefault, TextRenderingHintSingleBitPerPixelGridFit, TextRenderingHintSingleBitPerPixel, TextRenderingHintAntiAliasGridFit, TextRenderingHintAntiAlias, TextRenderingHintClearTypeGridFit};

Visual C++ (MFC):

enum CTGPTextRenderingHint {TextRenderingHintSystemDefault, TextRenderingHintSingleBitPerPixelGridFit, TextRenderingHintSingleBitPerPixel, TextRenderingHintAntiAliasGridFit, TextRenderingHintAntiAlias, TextRenderingHintClearTypeGridFit};

Summary

Specifies the process used to render text.

Description

Defines enumeration that specifies the process used to render text. The process affects the quality of the text. Remarks The quality associated with each process varies according to the circumstances. TextRenderingHintClearTypeGridFit provides the best quality for most LCD monitors and relatively small font sizes. TextRenderingHintAntiAlias provides the best quality for rotated text. Generally, a process that produces higher quality text is slower than a process that produces lower quality text.

Values

TextRenderingHintSystemDefault	Specifies that a character is drawn using the currently selected system font smoothing mode (also called a rendering hint).
TextRenderingHintSingleBitPerPixelGridFit	Specifies that a character is drawn using its glyph bitmap and hinting to improve character appearance on stems and curvature.
TextRenderingHintSingleBitPerPixel	Specifies that a character is drawn using its glyph bitmap and no hinting. This results in better performance at the expense of quality.
TextRenderingHintAntiAliasGridFit	Specifies that a character is drawn using its antialiased glyph bitmap and hinting. This results in much better quality due to antialiasing at a higher performance cost.
TextRenderingHintAntiAlias	Specifies that a character is drawn using its antialiased glyph bitmap and no hinting. Stem width differences may be noticeable because hinting is turned off.
TextRenderingHintClearTypeGridFit	Specifies that a character is drawn using its glyph Microsoft ClearType bitmap and hinting. This type of text rendering cannot be used along with CompositingModeSourceCopy. Microsoft Windows XP and Windows Server 2003 only: ClearType rendering is supported only on Windows XP and Windows Server 2003. Therefore, TextRenderingHintClearTypeGridFit is ignored on other operating systems even though Windows GDI+ is supported on those operating systems.