TSdlTtfTextEngine

Abstract base text engine. Use one of the following implementations:

• TSdlTtfSurfaceTextEngine * TSdlTtfRendererTextEngine * TSdlTtfGpuTextEngine

Definition

Unit: Neslib.Sdl3.Ttf

type TSdlTtfTextEngine = class abstract ... end

Inheritance

Derived: TSdlTtfGpuTextEngine, TSdlTtfRendererTextEngine, TSdlTtfSurfaceTextEngine

See Also

• TSdlTtfSurfaceTextEngine
• TSdlTtfRendererTextEngine
• TSdlTtfGpuTextEngine

Fields

Name	Description
FHandle

Constructors

Name	Description
Create
Destroy	Destructor.
Destroy

Methods

Name	Description
AfterConstruction
CreateText(TSdlTtfFont, String)	Create a text object for use with this engine.
CreateText(TSdlTtfFont, UTF8String)	Create a text object for use with this engine.
DestroyHandle

Field Descriptions

FHandle

var FHandle: PTTF_TextEngine

Type: PTTF_TextEngine

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Constructor Descriptions

Create

class constructor Create

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Destroy

Destructor.

All text created by this engine should be destroyed before calling this destructor.

destructor Destroy; override

Remarks

This destructor should be called on the thread that created the engine.

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Destroy

class destructor Destroy

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Method Descriptions

AfterConstruction

procedure AfterConstruction; override

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CreateText(TSdlTtfFont, String)

Create a text object for use with this engine.

function CreateText(const AFont: TSdlTtfFont; const AText: String): TSdlTtfText; overload; inline

Exceptions

ESdlError: Raised on failure.

Parameters

AFont: TSdlTtfFont : The font to render with.

AText: String : The text to use.

Returns

TSdlTtfText: A TSdlTtfText object.

See Also

• TSdlTtfText.Free

Remarks

This method should be called on the thread that created the font and text engine.

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CreateText(TSdlTtfFont, UTF8String)

Create a text object for use with this engine.

function CreateText(const AFont: TSdlTtfFont; const AText: UTF8String): TSdlTtfText; overload; inline

Exceptions

ESdlError: Raised on failure.

Parameters

AFont: TSdlTtfFont : The font to render with.

AText: UTF8String : The text to use.

Returns

TSdlTtfText: A TSdlTtfText object.

See Also

• TSdlTtfText.Free

Remarks

This method should be called on the thread that created the font and text engine.

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DestroyHandle

procedure DestroyHandle; virtual; abstract

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